Disabled Truncated File Fix since it is not yet in AES version of mini zip lib

Mac target added + fix carthage support

.gitignore

@@ -1,6 +1,32 @@
-.DS_Store
-*.mode1v3
+# Xcode
+#
+build/
 *.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
 *.perspectivev3
-*.xcworkspace
+!default.perspectivev3
 xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+.DS_Store
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
+Pods/
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+**/Carthage/Checkouts
+**/Carthage/Build

Changelog.markdown

@@ -1,28 +0,0 @@
-# SSZipArchive Changelog
-
-### Version 0.2.0
-
-[Released May 7, 2012](https://github.com/samsoffes/sskeychain/tree/0.2.0)
-
-* Add unzipping delegate
-* Fix unzipping with passwords
-* Fix modified at dates
-
-### Version 0.1.2
-
-[Released December 26, 2011](https://github.com/samsoffes/sskeychain/tree/0.1.2)
-
-* Add creation support. Thanks Johnnie Walker ([@randomsequence](https://github.com/randomsequence))!
-
-### Version 0.1.1
-
-[Released October 31, 2011](https://github.com/samsoffes/sskeychain/tree/0.1.1)
-
-* Added basic tests
-* Upgraded minizip to 1.1 to support zip64
-
-### Version 0.1.0
-
-[Released September 18, 2011](https://github.com/samsoffes/sskeychain/tree/0.1.0)
-
-* Initial release

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2010-2011 Sam Soffes
+Copyright (c) 2010-2015, Sam Soffes, http://soff.es
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

ObjectiveCExample/ObjectiveCExample.xcodeproj/project.pbxproj

@@ -0,0 +1,581 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
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+		8DFE19F21BDA9FF300709011 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE19F11BDA9FF300709011 /* AppDelegate.m */; };
+		8DFE19F51BDA9FF300709011 /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE19F41BDA9FF300709011 /* ViewController.m */; };
+		8DFE19F81BDA9FF300709011 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19F61BDA9FF300709011 /* Main.storyboard */; };
+		8DFE19FA1BDA9FF300709011 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19F91BDA9FF300709011 /* Assets.xcassets */; };
+		8DFE19FD1BDA9FF300709011 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19FB1BDA9FF300709011 /* LaunchScreen.storyboard */; };
+		8DFE1A081BDA9FF300709011 /* SSZipArchiveTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE1A071BDA9FF300709011 /* SSZipArchiveTests.m */; };
+		8DFE1A141BDAA0A800709011 /* CollectingDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE1A131BDAA0A800709011 /* CollectingDelegate.m */; };
+		8DFE1A271BDAA10100709011 /* hello.zip in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE1A161BDAA10100709011 /* hello.zip */; };
+		8DFE1A281BDAA10100709011 /* IncorrectHeaders.zip in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE1A171BDAA10100709011 /* IncorrectHeaders.zip */; };
+		8DFE1A291BDAA10100709011 /* PermissionsTestApp.app in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE1A181BDAA10100709011 /* PermissionsTestApp.app */; };
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+				MTL_ENABLE_DEBUG_INFO = NO;
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+			name = Release;
+		};
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+			isa = XCBuildConfiguration;
+			buildSettings = {
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+			};
+			name = Debug;
+		};
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+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				INFOPLIST_FILE = ObjectiveCExampleTests/Info.plist;
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+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.ObjectiveCExampleTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ObjectiveCExample.app/ObjectiveCExample";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		8DFE19E51BDA9FF300709011 /* Build configuration list for PBXProject "ObjectiveCExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8DFE1A0A1BDA9FF300709011 /* Debug */,
+				8DFE1A0B1BDA9FF300709011 /* Release */,
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+			defaultConfigurationName = Release;
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+				8DFE1A0E1BDA9FF300709011 /* Release */,
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+			defaultConfigurationName = Release;
+		};
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+			defaultConfigurationName = Release;
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+}

ObjectiveCExample/ObjectiveCExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:ObjectiveCExample.xcodeproj">
+   </FileRef>
+</Workspace>

ObjectiveCExample/ObjectiveCExample.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:ObjectiveCExample.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

ObjectiveCExample/ObjectiveCExample/AppDelegate.h

@@ -0,0 +1,17 @@
+//
+//  AppDelegate.h
+//  ObjectiveCExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+
+@end
+

ObjectiveCExample/ObjectiveCExample/AppDelegate.m

@@ -0,0 +1,45 @@
+//
+//  AppDelegate.m
+//  ObjectiveCExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+#import "AppDelegate.h"
+
+@interface AppDelegate ()
+
+@end
+
+@implementation AppDelegate
+
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // Override point for customization after application launch.
+    return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication *)application {
+    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
+    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+}
+
+@end

ObjectiveCExample/ObjectiveCExample/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ObjectiveCExample/ObjectiveCExample/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8150" systemVersion="15A204g" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8122"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
+                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <animations/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

ObjectiveCExample/ObjectiveCExample/Base.lproj/Main.storyboard

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6211" systemVersion="14A298i" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6204"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

ObjectiveCExample/ObjectiveCExample/Info.plist

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

ObjectiveCExample/ObjectiveCExample/ViewController.h

@@ -0,0 +1,15 @@
+//
+//  ViewController.h
+//  ObjectiveCExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+#import <UIKit/UIKit.h>
+
+@interface ViewController : UIViewController
+
+
+@end
+

ObjectiveCExample/ObjectiveCExample/ViewController.m

@@ -0,0 +1,27 @@
+//
+//  ViewController.m
+//  ObjectiveCExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+#import "ViewController.h"
+
+@interface ViewController ()
+
+@end
+
+@implementation ViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    // Do any additional setup after loading the view, typically from a nib.
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+@end

ObjectiveCExample/ObjectiveCExample/main.m

@@ -0,0 +1,16 @@
+//
+//  main.m
+//  ObjectiveCExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    }
+}

ObjectiveCExample/ObjectiveCExampleTests/CollectingDelegate.h

@@ -0,0 +1,9 @@
+#import <Foundation/Foundation.h>
+#import <SSZipArchive/SSZipArchive.h>
+
+/**
+ * Test delegate by collecting its calls
+ */
+@interface CollectingDelegate : NSObject <SSZipArchiveDelegate>
+@property(nonatomic, retain) NSMutableArray *files;
+@end

ObjectiveCExample/ObjectiveCExampleTests/CollectingDelegate.m

@@ -0,0 +1,31 @@
+//
+// Created by chris on 8/1/12.
+//
+// To change the template use AppCode | Preferences | File Templates.
+//
+
+
+#import "CollectingDelegate.h"
+
+@implementation CollectingDelegate {
+    
+}
+@synthesize files = _files;
+
+
+- (instancetype)init {
+    self = [super init];
+    if (self) {
+        self.files = [NSMutableArray array];
+    }
+    return self;
+}
+
+- (void)zipArchiveDidUnzipArchiveFile:(NSString *)zipFile entryPath:(NSString *)entryPath destPath:(NSString *)destPath {
+    [self.files addObject:entryPath];
+}
+
+
+
+
+@end

ObjectiveCExample/ObjectiveCExampleTests/Fixtures/PermissionsTestApp.app/Contents/Info.plist

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildMachineOSBuild</key>
+	<string>13A476u</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>TestProject</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.squaredtiki.TestProject</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>TestProject</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>DTCompiler</key>
+	<string>com.apple.compilers.llvm.clang.1_0</string>
+	<key>DTPlatformBuild</key>
+	<string>5A11314m</string>
+	<key>DTPlatformVersion</key>
+	<string>GM</string>
+	<key>DTSDKBuild</key>
+	<string>13A476n</string>
+	<key>DTSDKName</key>
+	<string>macosx10.9</string>
+	<key>DTXcode</key>
+	<string>0500</string>
+	<key>DTXcodeBuild</key>
+	<string>5A11314m</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.9</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2013 TestBench. All rights reserved.</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

ObjectiveCExample/ObjectiveCExampleTests/Fixtures/PermissionsTestApp.app/Contents/PkgInfo

@@ -0,0 +1 @@
+APPL????

ObjectiveCExample/ObjectiveCExampleTests/Fixtures/PermissionsTestApp.app/Contents/Resources/en.lproj/Credits.rtf

@@ -0,0 +1,29 @@
+{\rtf0\ansi{\fonttbl\f0\fswiss Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\paperw9840\paperh8400
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\ql\qnatural
+
+\f0\b\fs24 \cf0 Engineering:
+\b0 \
+	Some people\
+\
+
+\b Human Interface Design:
+\b0 \
+	Some other people\
+\
+
+\b Testing:
+\b0 \
+	Hopefully not nobody\
+\
+
+\b Documentation:
+\b0 \
+	Whoever\
+\
+
+\b With special thanks to:
+\b0 \
+	Mom\
+}

ObjectiveCExample/ObjectiveCExampleTests/Info.plist

@@ -5,11 +5,13 @@
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>
-	<string>${EXECUTABLE_NAME}</string>
+	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.samsoffes.${PRODUCT_NAME:rfc1034identifier}</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>

ObjectiveCExample/ObjectiveCExampleTests/SSZipArchiveTests.m

@@ -0,0 +1,419 @@
+//
+//  SSZipArchiveTests.m
+//  SSZipArchiveTests
+//
+//  Created by Sam Soffes on 10/3/11.
+//  Copyright (c) 2011-2014 Sam Soffes. All rights reserved.
+//
+
+#import <SSZipArchive/SSZipArchive.h>
+#import <XCTest/XCTest.h>
+#import <CommonCrypto/CommonDigest.h>
+
+#import "CollectingDelegate.h"
+
+@interface CancelDelegate : NSObject <SSZipArchiveDelegate>
+@property (nonatomic, assign) int numFilesUnzipped;
+@property (nonatomic, assign) int numFilesToUnzip;
+@property (nonatomic, assign) BOOL didUnzipArchive;
+@property (nonatomic, assign) int loaded;
+@property (nonatomic, assign) int total;
+@end
+
+@implementation CancelDelegate
+- (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo
+{
+    _numFilesUnzipped = fileIndex + 1;
+}
+- (BOOL)zipArchiveShouldUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo
+{
+    //return YES;
+    return _numFilesUnzipped < _numFilesToUnzip;
+}
+- (void)zipArchiveDidUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo unzippedPath:(NSString *)unzippedPath
+{
+    _didUnzipArchive = YES;
+}
+- (void)zipArchiveProgressEvent:(unsigned long long)loaded total:(unsigned long long)total
+{
+    _loaded = (int)loaded;
+    _total = (int)total;
+}
+@end
+
+@interface SSZipArchiveTests : XCTestCase <SSZipArchiveDelegate>
+@end
+
+@implementation SSZipArchiveTests {
+    NSMutableArray *progressEvents;
+}
+
+- (void)setUp {
+    [super setUp];
+    progressEvents = [NSMutableArray array];
+}
+
+- (void)tearDown {
+    [super tearDown];
+    [[NSFileManager defaultManager] removeItemAtPath:[self _cachesPath:nil] error:nil];
+}
+
+
+- (void)testZipping {
+    // use extracted files from [-testUnzipping]
+    NSString *inputPath = [self _cachesPath:@"Regular"];
+    NSArray *inputPaths = @[[inputPath stringByAppendingPathComponent:@"Readme.markdown"],
+                            [inputPath stringByAppendingPathComponent:@"LICENSE"]];
+
+    NSString *outputPath = [self _cachesPath:@"Zipped"];
+
+    NSString *archivePath = [outputPath stringByAppendingPathComponent:@"CreatedArchive.zip"];
+    [SSZipArchive createZipFileAtPath:archivePath withFilesAtPaths:inputPaths];
+
+    // TODO: Make sure the files are actually unzipped. They are, but the test should be better.
+    XCTAssertTrue([[NSFileManager defaultManager] fileExistsAtPath:archivePath], @"Archive created");
+}
+
+
+- (void)testDirectoryZipping {
+    // use Unicode as folder (has a file in root and a file in subfolder)
+    NSString *inputPath = [self _cachesPath:@"Unicode"];
+
+    NSString *outputPath = [self _cachesPath:@"FolderZipped"];
+    NSString *archivePath = [outputPath stringByAppendingPathComponent:@"ArchiveWithFolders.zip"];
+
+    [SSZipArchive createZipFileAtPath:archivePath withContentsOfDirectory:inputPath];
+    XCTAssertTrue([[NSFileManager defaultManager] fileExistsAtPath:archivePath], @"Folder Archive created");
+}
+
+- (void)testMultipleZippping{
+    NSArray *inputPaths = @[[[NSBundle bundleForClass: [self class]]pathForResource:@"0" ofType:@"m4a"],
+
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"1" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"2" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"3" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"4" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"5" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"6" ofType:@"m4a"],
+                            [[NSBundle bundleForClass: [self class]]pathForResource:@"7" ofType:@"m4a"]
+                            ];
+    NSString *outputPath = [self _cachesPath:@"Zipped"];
+
+    // this is a monster
+    // if testing on iOS, within 30 loops it will fail; however, on OS X, it may take about 900 loops
+    for (int test = 0; test < 20; test++)
+    {
+        // Zipping
+        NSString *archivePath = [outputPath stringByAppendingPathComponent:[NSString stringWithFormat:@"queue_test_%d.zip",test]];
+
+        [SSZipArchive createZipFileAtPath:archivePath withFilesAtPaths:inputPaths];
+
+        long long threshold = 510000; // 510kB:size slightly smaller than a successful zip, but much larger than a failed one
+        long long fileSize = [[[NSFileManager defaultManager] attributesOfItemAtPath:archivePath error:nil][NSFileSize] longLongValue];
+        XCTAssertTrue(fileSize > threshold, @"zipping failed at %@!",archivePath);
+    }
+
+}
+
+- (void)testUnzipping {
+    NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"TestArchive" ofType:@"zip"];
+    NSString *outputPath = [self _cachesPath:@"Regular"];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSString *testPath = [outputPath stringByAppendingPathComponent:@"Readme.markdown"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"Readme unzipped");
+
+    testPath = [outputPath stringByAppendingPathComponent:@"LICENSE"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"LICENSE unzipped");
+}
+- (void)testSmallFileUnzipping {
+    NSString *zipPath = [[NSBundle bundleForClass: [self class]] pathForResource:@"TestArchive" ofType:@"zip"];
+    NSString *outputPath = [self _cachesPath:@"Regular"];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSString *testPath = [outputPath stringByAppendingPathComponent:@"Readme.markdown"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"Readme unzipped");
+
+    testPath = [outputPath stringByAppendingPathComponent:@"LICENSE"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"LICENSE unzipped");
+}
+- (void)testUnzippingProgress {
+    NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"TestArchive" ofType:@"zip"];
+    NSString *outputPath = [self _cachesPath:@"Progress"];
+
+    [progressEvents removeAllObjects];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    // 4 events: the first, then for each of the two files one, then the final event
+    XCTAssertTrue(4 == [progressEvents count], @"Expected 4 progress events");
+    XCTAssertTrue(0 == [progressEvents[0] intValue]);
+    XCTAssertTrue(619 == [progressEvents[1] intValue]);
+    XCTAssertTrue(1114 == [progressEvents[2] intValue]);
+    XCTAssertTrue(1436 == [progressEvents[3] intValue]);
+}
+
+
+- (void)testUnzippingWithPassword {
+    NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"TestPasswordArchive" ofType:@"zip"];
+    NSString *outputPath = [self _cachesPath:@"Password"];
+
+    NSError *error = nil;
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath overwrite:YES password:@"passw0rd" error:&error delegate:self];
+
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSString *testPath = [outputPath stringByAppendingPathComponent:@"Readme.markdown"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"Readme unzipped");
+
+    testPath = [outputPath stringByAppendingPathComponent:@"LICENSE"];
+    XCTAssertTrue([fileManager fileExistsAtPath:testPath], @"LICENSE unzipped");
+}
+
+//Temp Disabled test, fix is not yet in the AES version of the unzip lib
+
+//- (void)testUnzippingTruncatedFileFix {
+//    NSString* zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"IncorrectHeaders" ofType:@"zip"];
+//    NSString* outputPath = [self _cachesPath:@"IncorrectHeaders"];
+//
+//    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+//
+//    NSString* intendedReadmeTxtMD5 = @"31ac96301302eb388070c827447290b5";
+//
+//    NSString* filePath = [outputPath stringByAppendingPathComponent:@"IncorrectHeaders/Readme.txt"];
+//    NSData* data = [NSData dataWithContentsOfFile:filePath];
+//
+//    NSString* actualReadmeTxtMD5 = [self _calculateMD5Digest:data];
+//    XCTAssertTrue([actualReadmeTxtMD5 isEqualToString:intendedReadmeTxtMD5], @"Readme.txt MD5 digest should match original.");
+//}
+
+
+- (void)testUnzippingWithSymlinkedFileInside {
+
+    NSString* zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"SymbolicLink" ofType:@"zip"];
+    NSString* outputPath = [self _cachesPath:@"SymbolicLink"];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    NSString *testSymlink = [outputPath stringByAppendingPathComponent:@"SymbolicLink/Xcode.app"];
+
+    NSError *error = nil;
+    NSDictionary *info = [[NSFileManager defaultManager] attributesOfItemAtPath: testSymlink error: &error];
+
+    XCTAssertTrue(info, @"Symbolic links should persist from the original archive to the outputted files.");
+}
+
+- (void)testUnzippingWithRelativeSymlink {
+
+    NSString *resourceName = @"RelativeSymbolicLink";
+    NSString* zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:resourceName ofType:@"zip"];
+    NSString* outputPath = [self _cachesPath:resourceName];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    // Determine where the symlinks are
+    NSString *subfolderName = @"symlinks";
+    NSString *testBasePath = [NSString pathWithComponents:@[outputPath]];
+    NSString *testSymlinkFolder = [NSString pathWithComponents:@[testBasePath, subfolderName, @"folderSymlink"]];
+    NSString *testSymlinkFile = [NSString pathWithComponents:@[testBasePath, subfolderName, @"fileSymlink"]];
+
+    BOOL found = [[NSFileManager defaultManager] attributesOfItemAtPath: testSymlinkFile error: nil];
+
+    XCTAssertTrue(found, @"Relative symbolic links should persist from the original archive to the outputted files (and also remain relative).");
+
+    found = [[NSFileManager defaultManager] attributesOfItemAtPath: testSymlinkFolder error: nil];
+
+    XCTAssertTrue(found, @"Relative symbolic links should persist from the original archive to the outputted files (and also remain relative).");
+}
+
+- (void)testUnzippingWithUnicodeFilenameInside {
+
+    NSString* zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"Unicode" ofType:@"zip"];
+    NSString* outputPath = [self _cachesPath:@"Unicode"];
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:self];
+
+    bool unicodeFilenameWasExtracted = [[NSFileManager defaultManager] fileExistsAtPath:[outputPath stringByAppendingPathComponent:@"Accént.txt"]];
+
+    bool unicodeFolderWasExtracted = [[NSFileManager defaultManager] fileExistsAtPath:[outputPath stringByAppendingPathComponent:@"Fólder/Nothing.txt"]];
+
+    XCTAssertTrue(unicodeFilenameWasExtracted, @"Files with filenames in unicode should be extracted properly.");
+    XCTAssertTrue(unicodeFolderWasExtracted, @"Folders with names in unicode should be extracted propertly.");
+}
+
+
+- (void)testZippingAndUnzippingForDate {
+
+    NSString *inputPath = [self _cachesPath:@"Regular"];
+    NSArray *inputPaths = @[[inputPath stringByAppendingPathComponent:@"Readme.markdown"]];
+
+    NSDictionary *originalFileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:[inputPath stringByAppendingPathComponent:@"Readme.markdown"] error:nil];
+
+    NSString *outputPath = [self _cachesPath:@"ZippedDate"];
+    NSString *archivePath = [outputPath stringByAppendingPathComponent:@"CreatedArchive.zip"];
+
+    [SSZipArchive createZipFileAtPath:archivePath withFilesAtPaths:inputPaths];
+    [SSZipArchive unzipFileAtPath:archivePath toDestination:outputPath delegate:self];
+
+    NSDictionary *createdFileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:[outputPath stringByAppendingPathComponent:@"Readme.markdown"] error:nil];
+
+    XCTAssertEqualObjects(originalFileAttributes[NSFileCreationDate], createdFileAttributes[@"NSFileCreationDate"], @"Orginal file creationDate should match created one");
+}
+
+
+- (void)testZippingAndUnzippingForPermissions {
+    // File we're going to test permissions on before and after zipping
+    NSString *targetFile = @"/Contents/MacOS/TestProject";
+
+
+    /********** Zipping ********/
+
+    // The .app file we're going to zip up
+    NSString *inputFile = [[NSBundle bundleForClass: [self class]] pathForResource:@"PermissionsTestApp" ofType:@"app"];
+
+    // The path to the target file in the app before zipping
+    NSString *targetFilePreZipPath = [inputFile stringByAppendingPathComponent:targetFile];
+
+    // Atribtues for the target file before zipping
+    NSDictionary *preZipAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:targetFilePreZipPath error:nil];
+
+    // Directory to output our created zip file
+    NSString *outputDir = [self _cachesPath:@"PermissionsTest"];
+    // The path to where the archive shall be created
+    NSString *archivePath = [outputDir stringByAppendingPathComponent:@"TestAppArchive.zip"];
+
+    // Create the zip file using the contents of the .app file as the input
+    [SSZipArchive createZipFileAtPath:archivePath withContentsOfDirectory:inputFile];
+
+
+    /********** Un-zipping *******/
+
+    // Using this newly created zip file, unzip it
+    [SSZipArchive unzipFileAtPath:archivePath toDestination:outputDir];
+
+    // Get the path to the target file after unzipping
+    NSString *targetFilePath = [outputDir stringByAppendingPathComponent:@"/Contents/MacOS/TestProject"];
+
+    // Get the file attributes of the target file following the unzipping
+    NSDictionary *fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:targetFilePath error:nil];
+
+    
+    NSInteger permissions = ((NSNumber *)fileAttributes[NSFilePosixPermissions]).longValue;
+    NSInteger preZipPermissions = ((NSNumber *)preZipAttributes[NSFilePosixPermissions]).longValue;
+
+    // Compare the value of the permissions attribute to assert equality
+    XCTAssertEqual(permissions, preZipPermissions, @"File permissions should be retained during compression and de-compression");
+}
+
+- (void)testUnzippingWithCancel {
+    NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"TestArchive" ofType:@"zip"];
+    NSString *outputPath = [self _cachesPath:@"Cancel1"];
+
+    CancelDelegate *delegate = [[CancelDelegate alloc] init];
+    delegate.numFilesToUnzip = 1;
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:delegate];
+
+    XCTAssertEqual(delegate.numFilesUnzipped, 1);
+    XCTAssertFalse(delegate.didUnzipArchive);
+    XCTAssertNotEqual(delegate.loaded, delegate.total);
+
+    outputPath = [self _cachesPath:@"Cancel2"];
+
+    delegate = [[CancelDelegate alloc] init];
+    delegate.numFilesToUnzip = 1000;
+
+    [SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:delegate];
+
+    XCTAssertEqual(delegate.numFilesUnzipped, 2);
+    XCTAssertTrue(delegate.didUnzipArchive);
+    XCTAssertEqual(delegate.loaded, delegate.total);
+
+}
+
+// Commented out to avoid checking in several gig file into the repository. Simply add a file named
+// `LargeArchive.zip` to the project and uncomment out these lines to test.
+//
+//- (void)testUnzippingLargeFiles {
+//	NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"LargeArchive" ofType:@"zip"];
+//	NSString *outputPath = [self _cachesPath:@"Large"];
+//
+//	[SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath];
+//}
+
+-(void)testShouldProvidePathOfUnzippedFileInDelegateCallback {
+    CollectingDelegate *collector = [CollectingDelegate new];
+    NSString *zipPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"TestArchive" ofType:@"zip"];
+   	NSString *outputPath = [self _cachesPath:@"Regular"];
+
+   	[SSZipArchive unzipFileAtPath:zipPath toDestination:outputPath delegate:collector];
+
+    //    STAssertEqualObjects([collector.files objectAtIndex:0], @"LICENSE.txt", nil);
+    //    STAssertEqualObjects([collector.files objectAtIndex:1], @"README.md", nil);
+}
+
+#pragma mark - SSZipArchiveDelegate
+
+- (void)zipArchiveWillUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo {
+    NSLog(@"*** zipArchiveWillUnzipArchiveAtPath: `%@` zipInfo:", path);
+}
+
+
+- (void)zipArchiveDidUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo unzippedPath:(NSString *)unzippedPath {
+    NSLog(@"*** zipArchiveDidUnzipArchiveAtPath: `%@` zipInfo: unzippedPath: `%@`", path, unzippedPath);
+}
+
+- (BOOL)zipArchiveShouldUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo
+{
+    NSLog(@"*** zipArchiveShouldUnzipFileAtIndex: `%d` totalFiles: `%d` archivePath: `%@` fileInfo:", (int)fileIndex, (int)totalFiles, archivePath);
+    return YES;
+}
+
+- (void)zipArchiveWillUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo {
+    NSLog(@"*** zipArchiveWillUnzipFileAtIndex: `%d` totalFiles: `%d` archivePath: `%@` fileInfo:", (int)fileIndex, (int)totalFiles, archivePath);
+}
+
+
+- (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo {
+    NSLog(@"*** zipArchiveDidUnzipFileAtIndex: `%d` totalFiles: `%d` archivePath: `%@` fileInfo:", (int)fileIndex, (int)totalFiles, archivePath);
+}
+
+- (void)zipArchiveProgressEvent:(unsigned long long)loaded total:(unsigned long long)total {
+    NSLog(@"*** zipArchiveProgressEvent: loaded: `%llu` total: `%llu`", loaded, total);
+    [progressEvents addObject:@(loaded)];
+}
+
+
+#pragma mark - Private
+
+- (NSString *)_cachesPath:(NSString *)directory {
+    NSString *path = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject]
+                      stringByAppendingPathComponent:@"com.samsoffes.ssziparchive.tests"];
+    if (directory) {
+        path = [path stringByAppendingPathComponent:directory];
+    }
+
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    if (![fileManager fileExistsAtPath:path]) {
+        [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
+    }
+
+    return path;
+}
+
+
+// Taken from https://github.com/samsoffes/sstoolkit/blob/master/SSToolkit/NSData+SSToolkitAdditions.m
+- (NSString *)_calculateMD5Digest:(NSData *)data {
+    unsigned char digest[CC_MD5_DIGEST_LENGTH], i;
+    CC_MD5(data.bytes, (unsigned int)data.length, digest);
+    NSMutableString *ms = [NSMutableString string];
+    for (i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {
+        [ms appendFormat: @"%02x", (int)(digest[i])];
+    }
+    return [ms copy];
+}
+
+@end

ObjectiveCExample/Podfile

@@ -0,0 +1,8 @@
+source 'https://github.com/CocoaPods/Specs.git'
+
+# inhibit_all_warnings!
+use_frameworks!
+
+target 'ObjectiveCExample' do
+  pod 'SSZipArchive', :path => '..'
+end

ObjectiveCExample/Podfile.lock

@@ -0,0 +1,14 @@
+PODS:
+  - SSZipArchive (1.0.1)
+
+DEPENDENCIES:
+  - SSZipArchive (from `..`)
+
+EXTERNAL SOURCES:
+  SSZipArchive:
+    :path: ..
+
+SPEC CHECKSUMS:
+  SSZipArchive: 7bfebbf578e47e1c4239a06f0c202101d4d933ab
+
+COCOAPODS: 0.39.0

README.md

@@ -0,0 +1,57 @@
+
+# SSZipArchive
+
+ZipArchive is a simple utility class for zipping and unzipping files on iOS and Mac.
+
+- Unzip zip files;
+- Unzip password protected zip files;
+- Create new zip files;
+- Append to existing zip files;
+- Zip files;
+- Zip-up NSData instances. (with a filename)
+
+## Installation and Setup
+
+### CocoaPods
+
+`pod install SSZipArchive`
+
+### Carthage
+`github "ZipArchive/ZipArchive"`
+
+### Manual
+
+1. Add the `SSZipArchive` and `minizip` folders to your project.
+2. Add the `libz` library to your target
+
+SSZipArchive requires ARC.
+
+## Usage
+
+### Objective-C
+
+```objective-c
+// Create
+[SSZipArchive createZipFileAtPath: zipPath withContentsOfDirectory: sampleDataPath];
+
+// Unzip
+[SSZipArchive unzipFileAtPath:zipPath toDestination: unzipPath];
+```
+
+### Swift
+
+```swift
+// Create
+SSZipArchive.createZipFileAtPath(zipPath, withContentsOfDirectory: sampleDataPath)
+
+// Unzip
+SSZipArchive.unzipFileAtPath(zipPath, toDestination: unzipPath)
+```
+
+## License
+
+SSZipArchive is protected under the [MIT license](https://github.com/samsoffes/ssziparchive/raw/master/LICENSE) and our slightly modified version of [Minizip](http://www.winimage.com/zLibDll/minizip.html) 1.1 is licensed under the [Zlib license](http://www.zlib.net/zlib_license.html).
+
+## Acknowledgments
+
+Big thanks to [aish](http://code.google.com/p/ziparchive) for creating [ZipArchive](http://code.google.com/p/ziparchive). The project that inspired SSZipArchive. Thank you [@randomsequence](https://github.com/randomsequence) for implementing the creation support tech and to [@johnezang](https://github.com/johnezang) for all his amazing help along the way.

Readme.markdown

@@ -1,43 +0,0 @@
-# SSZipArchive
-
-SSZipArchive is a simple utility class for zipping and unzipping files. Features:
-
-* Unzipping zip files
-* Unzipping password protected zip files
-* Creating zip files
-* Appending to zip files
-* Zipping files
-* Zipping NSData with a filename
-* Works in ARC and non-ARC projects
-
-## Adding to your project
-
-1. Add `SSZipArchive.h`, `SSZipArchive.m`, and `minizip` to your project.
-2. Add the `libz` library to your target
-
-You don't need to do anything regarding ARC. SSZipArchive will detect if you're not using ARC and add the required memory management code.
-
-## Usage
-
-``` objective-c
-// Unzipping
-NSString *zipPath = @"path_to_your_zip_file";
-NSString *destinationPath = @"path_to_the_folder_where_you_want_it_unzipped";
-[SSZipArchive unzipFileAtPath:zipPath toDestination:destinationPath];
-
-// Zipping
-NSString *zippedPath = @"path_where_you_want_the_file_created";
-NSArray *inputPaths = [NSArray arrayWithObjects:
-                       [[NSBundle mainBundle] pathForResource:@"photo1" ofType:@"jpg"],
-                       [[NSBundle mainBundle] pathForResource:@"photo2" ofType:@"jpg"]
-                       nil];
-[SSZipArchive createZipFileAtPath:zippedPath withFilesAtPaths:inputPaths];
-```
-
-## License
-
-SSZipArchive is licensed under the [MIT license](https://github.com/samsoffes/ssziparchive/raw/master/LICENSE).  A slightly modified version of [Minizip](http://www.winimage.com/zLibDll/minizip.html) 1.1 is also included and is licensed under the [Zlib license](http://www.zlib.net/zlib_license.html).
-
-## Thanks
-
-Thanks [aish](http://code.google.com/p/ziparchive) for creating [ZipArchive](http://code.google.com/p/ziparchive) which SSZipArchive is based on, Johnnie Walker ([@randomsequence](https://github.com/randomsequence)) for implementing creation support, and John Engelhart ([@johnezang](https://github.com/johnezang)) for all his amazing help along the way.

SSZipArchive.h

@@ -1,45 +0,0 @@
-//
-//  SSZipArchive.h
-//  SSZipArchive
-//
-//  Created by Sam Soffes on 7/21/10.
-//  Copyright (c) Sam Soffes 2010-2011. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-#include "minizip/unzip.h"
-
-@protocol SSZipArchiveDelegate;
-
-@interface SSZipArchive : NSObject
-
-// Unzip
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination;
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error;
-
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination delegate:(id<SSZipArchiveDelegate>)delegate;
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error delegate:(id<SSZipArchiveDelegate>)delegate;
-
-// Zip
-+ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)filenames;
-
-- (id)initWithPath:(NSString *)path;
-- (BOOL)open;
-- (BOOL)writeFile:(NSString *)path;
-- (BOOL)writeData:(NSData *)data filename:(NSString *)filename;
-- (BOOL)close;
-
-@end
-
-
-@protocol SSZipArchiveDelegate <NSObject>
-
-@optional
-
-- (void)zipArchiveWillUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo;
-- (void)zipArchiveDidUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo unzippedPath:(NSString *)unzippedPath;
-
-- (void)zipArchiveWillUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
-- (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
-
-@end

SSZipArchive.m

@@ -1,418 +0,0 @@
-//
-//  SSZipArchive.m
-//  SSZipArchive
-//
-//  Created by Sam Soffes on 7/21/10.
-//  Copyright (c) Sam Soffes 2010-2011. All rights reserved.
-//
-
-#import "SSZipArchive.h"
-#include "minizip/zip.h"
-#import "zlib.h"
-#import "zconf.h"
-
-#define CHUNK 16384
-
-@interface SSZipArchive ()
-+ (NSDate *)_dateWithMSDOSFormat:(UInt32)msdosDateTime;
-@end
-
-
-@implementation SSZipArchive {
-	NSString *_path;
-	NSString *_filename;
-    zipFile _zip;
-}
-
-
-#pragma mark - Unzipping
-
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination {
-	return [self unzipFileAtPath:path toDestination:destination delegate:nil];
-}
-
-
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error {
-	return [self unzipFileAtPath:path toDestination:destination overwrite:overwrite password:password error:error delegate:nil];
-}
-
-
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination delegate:(id<SSZipArchiveDelegate>)delegate {
-	return [self unzipFileAtPath:path toDestination:destination overwrite:YES password:nil error:nil delegate:delegate];
-}
-
-
-+ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error delegate:(id<SSZipArchiveDelegate>)delegate {
-	// Begin opening
-	zipFile zip = unzOpen((const char*)[path UTF8String]);	
-	if (zip == NULL) {
-		NSDictionary *userInfo = [NSDictionary dictionaryWithObject:@"failed to open zip file" forKey:NSLocalizedDescriptionKey];
-		if (error) {
-			*error = [NSError errorWithDomain:@"SSZipArchiveErrorDomain" code:-1 userInfo:userInfo];
-		}
-		return NO;
-	}
-	
-	unz_global_info  globalInfo = {0ul, 0ul};
-	unzGetGlobalInfo(zip, &globalInfo);
-	
-	// Begin unzipping
-	if (unzGoToFirstFile(zip) != UNZ_OK) {
-		NSDictionary *userInfo = [NSDictionary dictionaryWithObject:@"failed to open first file in zip file" forKey:NSLocalizedDescriptionKey];
-		if (error) {
-			*error = [NSError errorWithDomain:@"SSZipArchiveErrorDomain" code:-2 userInfo:userInfo];
-		}
-		return NO;
-	}
-	
-	BOOL success = YES;
-	int ret = 0;
-	unsigned char buffer[4096] = {0};
-	NSFileManager *fileManager = [NSFileManager defaultManager];
-	NSMutableSet *directoriesModificationDates = [[NSMutableSet alloc] init];
-	
-	// Message delegate
-	if ([delegate respondsToSelector:@selector(zipArchiveWillUnzipArchiveAtPath:zipInfo:)]) {
-		[delegate zipArchiveWillUnzipArchiveAtPath:path zipInfo:globalInfo];
-	}
-	
-	NSInteger currentFileNumber = 0;
-	do {
-		if ([password length] == 0) {
-			ret = unzOpenCurrentFile(zip);
-		} else {
-			ret = unzOpenCurrentFilePassword(zip, [password cStringUsingEncoding:NSASCIIStringEncoding]);
-		}
-		
-		if (ret != UNZ_OK) {
-			success = NO;
-			break;
-		}
-		
-		// Reading data and write to file
-		unz_file_info fileInfo;
-		memset(&fileInfo, 0, sizeof(unz_file_info));
-		
-		ret = unzGetCurrentFileInfo(zip, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
-		if (ret != UNZ_OK) {
-			success = NO;
-			unzCloseCurrentFile(zip);
-			break;
-		}
-		
-		// Message delegate
-		if ([delegate respondsToSelector:@selector(zipArchiveWillUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
-			[delegate zipArchiveWillUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
-										 archivePath:path fileInfo:fileInfo];
-		}
-        
-		char *filename = (char *)malloc(fileInfo.size_filename + 1);
-		unzGetCurrentFileInfo(zip, &fileInfo, filename, fileInfo.size_filename + 1, NULL, 0, NULL, 0);
-		filename[fileInfo.size_filename] = '\0';
-        
-        //
-        // NOTE
-        // I used the ZIP spec from here:
-        // http://www.pkware.com/documents/casestudies/APPNOTE.TXT
-        //
-        // ...to deduce this method of detecting whether the file in the ZIP is a symbolic link.
-        // If it is, it is listed as a directory but has an uncompressed data size greater than
-        // zero (real directories have it equal to 0) and the included, uncompressed data is the
-        // symbolic link path.
-        //
-        
-        const uLong ZipDirectoryVersion = 10;
-        const uLong ZipCompressionMethodStore = 0;
-        
-        BOOL fileIsSymbolicLink = NO;
-        
-        if((fileInfo.version_needed == ZipDirectoryVersion) && // Is it a directory?
-           (fileInfo.compression_method == ZipCompressionMethodStore) && // Is it compressed?
-           (fileInfo.compressed_size > 0)) // Is there any data there?
-        {
-            fileIsSymbolicLink = YES;
-        }
-        
-        //NSLog(@"\"%s\" is symbolic link? %@", filename, fileIsSymbolicLink ? @"Yes." : @"No.");
-           
-		// Check if it contains directory
-		NSString *strPath = [NSString stringWithCString:filename encoding:NSUTF8StringEncoding];
-		BOOL isDirectory = NO;
-		if (filename[fileInfo.size_filename-1] == '/' || filename[fileInfo.size_filename-1] == '\\') {
-			isDirectory = YES;
-		}
-		free(filename);
-		
-		// Contains a path
-		if ([strPath rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"/\\"]].location != NSNotFound) {
-			strPath = [strPath stringByReplacingOccurrencesOfString:@"\\" withString:@"/"];
-		}
-		
-		NSString *fullPath = [destination stringByAppendingPathComponent:strPath];
-		NSError *err = nil;
-        NSDate *modDate = [[self class] _dateWithMSDOSFormat:(UInt32)fileInfo.dosDate];
-        NSDictionary *directoryAttr = [NSDictionary dictionaryWithObjectsAndKeys:modDate, NSFileCreationDate, modDate, NSFileModificationDate, nil];
-		
-		if (isDirectory) {
-			[fileManager createDirectoryAtPath:fullPath withIntermediateDirectories:YES attributes:directoryAttr  error:&err];
-		} else {
-			[fileManager createDirectoryAtPath:[fullPath stringByDeletingLastPathComponent] withIntermediateDirectories:YES attributes:directoryAttr error:&err];
-		}
-        if (nil != err) {
-            NSLog(@"[SSZipArchive] Error: %@", err.localizedDescription);
-        }
-
-        if(!fileIsSymbolicLink)
-            [directoriesModificationDates addObject: [NSDictionary dictionaryWithObjectsAndKeys:fullPath, @"path", modDate, @"modDate", nil]];
-
-        if ([fileManager fileExistsAtPath:fullPath] && !isDirectory && !overwrite) {
-			unzCloseCurrentFile(zip);
-			ret = unzGoToNextFile(zip);
-			continue;
-		}
-        
-		if(!fileIsSymbolicLink)
-        {
-            FILE *fp = fopen((const char*)[fullPath UTF8String], "wb");
-            while (fp) {
-                int readBytes = unzReadCurrentFile(zip, buffer, 4096);
-
-                if (readBytes > 0) {
-                    fwrite(buffer, readBytes, 1, fp );
-                } else {
-                    break;
-                }
-            }
-            
-            if (fp) {
-                fclose(fp);
-                
-                // Set the original datetime property
-                if (fileInfo.dosDate != 0) {
-                    NSDate *orgDate = [[self class] _dateWithMSDOSFormat:(UInt32)fileInfo.dosDate];
-                    NSDictionary *attr = [NSDictionary dictionaryWithObject:orgDate forKey:NSFileModificationDate];
-                    
-                    if (attr) {
-                        if ([fileManager setAttributes:attr ofItemAtPath:fullPath error:nil] == NO) {
-                            // Can't set attributes 
-                            NSLog(@"[SSZipArchive] Failed to set attributes");
-                        }
-                    }
-                }
-            }
-        }
-        else
-        {
-            // Get the path for the symbolic link
-            
-            NSURL* symlinkURL = [NSURL fileURLWithPath:fullPath];
-            NSMutableString* destinationPath = [NSMutableString string];
-            
-            int bytesRead = 0;
-            while((bytesRead = unzReadCurrentFile(zip, buffer, 4096)) > 0)
-            {
-                buffer[bytesRead] = 0;
-                [destinationPath appendString:[NSString stringWithUTF8String:(const char*)buffer]];
-            }
-            
-            //NSLog(@"Symlinking to: %@", destinationPath);
-            
-            NSURL* destinationURL = [NSURL fileURLWithPath:destinationPath];
-            
-            // Create the symbolic link
-            NSError* symlinkError = nil;
-            [fileManager createSymbolicLinkAtURL:symlinkURL withDestinationURL:destinationURL error:&symlinkError];
-            
-            if(symlinkError != nil)
-            {
-                NSLog(@"Failed to create symbolic link at \"%@\" to \"%@\". Error: %@", symlinkURL.absoluteString, destinationURL.absoluteString, symlinkError.localizedDescription);
-            }
-        }
-		
-		unzCloseCurrentFile( zip );
-		ret = unzGoToNextFile( zip );
-		
-		// Message delegate
-		if ([delegate respondsToSelector:@selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
-			[delegate zipArchiveDidUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
-										 archivePath:path fileInfo:fileInfo];
-		}
-		
-		currentFileNumber++;
-	} while(ret == UNZ_OK && UNZ_OK != UNZ_END_OF_LIST_OF_FILE);
-	
-	// Close
-	unzClose(zip);
-	
-	// The process of decompressing the .zip archive causes the modification times on the folders
-    // to be set to the present time. So, when we are done, they need to be explicitly set.
-    // set the modification date on all of the directories.
-    NSError * err = nil;
-    for (NSDictionary * d in directoriesModificationDates) {
-        if (![[NSFileManager defaultManager] setAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[d objectForKey:@"modDate"], NSFileModificationDate, nil] ofItemAtPath:[d objectForKey:@"path"] error:&err]) {
-            NSLog(@"[SSZipArchive] Set attributes failed for directory: %@.", [d objectForKey:@"path"]);
-        }
-        if (err) {
-            NSLog(@"[SSZipArchive] Error setting directory file modification date attribute: %@",err.localizedDescription);
-        }
-    }
-	
-#if !__has_feature(objc_arc)
-	[directoriesModificationDates release];
-#endif
-	
-	// Message delegate
-	if (success && [delegate respondsToSelector:@selector(zipArchiveDidUnzipArchiveAtPath:zipInfo:unzippedPath:)]) {
-		[delegate zipArchiveDidUnzipArchiveAtPath:path zipInfo:globalInfo unzippedPath:destination];
-	}
-	
-	return success;
-}
-
-
-#pragma mark - Zipping
-
-+ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)paths {
-	BOOL success = NO;
-	SSZipArchive *zipArchive = [[SSZipArchive alloc] initWithPath:path];
-	if ([zipArchive open]) {
-		for (NSString *path in paths) {
-			[zipArchive writeFile:path];
-		}
-		success = [zipArchive close];        
-	}
-	
-#if !__has_feature(objc_arc)
-	[zipArchive release];
-#endif
-
-	return success;
-}
-
-
-- (id)initWithPath:(NSString *)path {
-	if ((self = [super init])) {
-		_path = [path copy];
-	}
-	return self;
-}
-
-
-#if !__has_feature(objc_arc)
-- (void)dealloc {
-    [_path release];
-	[super dealloc];
-}
-#endif
-
-
-- (BOOL)open {    
-	NSAssert((_zip == NULL), @"Attempting open an archive which is already open");
-	_zip = zipOpen([_path UTF8String], APPEND_STATUS_CREATE);
-	return (NULL != _zip);
-}
-
-
-- (void)zipInfo:(zip_fileinfo*)zipInfo setDate:(NSDate*)date {
-    NSCalendar *currentCalendar = [NSCalendar currentCalendar];
-    uint flags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
-    NSDateComponents *components = [currentCalendar components:flags fromDate:date];
-    zipInfo->tmz_date.tm_sec = (unsigned int)components.second;
-    zipInfo->tmz_date.tm_min = (unsigned int)components.minute;
-    zipInfo->tmz_date.tm_hour = (unsigned int)components.hour;
-    zipInfo->tmz_date.tm_mday = (unsigned int)components.day;
-    zipInfo->tmz_date.tm_mon = (unsigned int)components.month - 1;
-    zipInfo->tmz_date.tm_year = (unsigned int)components.year;
-}
-
-
-- (BOOL)writeFile:(NSString *)path {
-	NSAssert((_zip != NULL), @"Attempting to write to an archive which was never opened");
-
-	FILE *input = fopen([path UTF8String], "r");
-	if (NULL == input) {
-		return NO;
-	}
-
-	zipOpenNewFileInZip(_zip, [[path lastPathComponent] UTF8String], NULL, NULL, 0, NULL, 0, NULL, Z_DEFLATED,
-						Z_DEFAULT_COMPRESSION);
-
-	void *buffer = malloc(CHUNK);
-	unsigned int len = 0;
-	while (!feof(input)) {
-		len = (unsigned int) fread(buffer, 1, CHUNK, input);
-		zipWriteInFileInZip(_zip, buffer, len);
-	}
-
-	zipCloseFileInZip(_zip);
-	free(buffer);
-	return YES;
-}
-
-
-- (BOOL)writeData:(NSData *)data filename:(NSString *)filename {
-    if (!_zip) {
-		return NO;
-    }
-    if (!data) {
-		return NO;
-    }
-    zip_fileinfo zipInfo = {{0,0,0,0,0,0},0,0,0};
-    [self zipInfo:&zipInfo setDate:[NSDate date]];
-
-	zipOpenNewFileInZip(_zip, [filename UTF8String], &zipInfo, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION);
-
-    zipWriteInFileInZip(_zip, data.bytes, (unsigned int)data.length);
-
-	zipCloseFileInZip(_zip);
-	return YES;
-}
-
-
-- (BOOL)close {    
-	NSAssert((_zip != NULL), @"[SSZipArchive] Attempting to close an archive which was never opened");
-	zipClose(_zip, NULL);
-	return YES;
-}
-
-
-#pragma mark - Private
-
-// Format from http://newsgroups.derkeiler.com/Archive/Comp/comp.os.msdos.programmer/2009-04/msg00060.html
-// Two consecutive words, or a longword, YYYYYYYMMMMDDDDD hhhhhmmmmmmsssss
-// YYYYYYY is years from 1980 = 0
-// sssss is (seconds/2).
-//
-// 3658 = 0011 0110 0101 1000 = 0011011 0010 11000 = 27 2 24 = 2007-02-24
-// 7423 = 0111 0100 0010 0011 - 01110 100001 00011 = 14 33 2 = 14:33:06
-+ (NSDate *)_dateWithMSDOSFormat:(UInt32)msdosDateTime {
-	static const UInt32 kYearMask = 0xFE000000;
-	static const UInt32 kMonthMask = 0x1E00000;
-	static const UInt32 kDayMask = 0x1F0000;
-	static const UInt32 kHourMask = 0xF800;
-	static const UInt32 kMinuteMask = 0x7E0;
-	static const UInt32 kSecondMask = 0x1F;
-	
-	NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
-    NSDateComponents *components = [[NSDateComponents alloc] init];
-
-    NSAssert(0xFFFFFFFF == (kYearMask | kMonthMask | kDayMask | kHourMask | kMinuteMask | kSecondMask), @"[SSZipArchive] MSDOS date masks don't add up");
-	    
-    [components setYear:1980 + ((msdosDateTime & kYearMask) >> 25)];
-    [components setMonth:(msdosDateTime & kMonthMask) >> 21];
-    [components setDay:(msdosDateTime & kDayMask) >> 16];
-    [components setHour:(msdosDateTime & kHourMask) >> 11];
-    [components setMinute:(msdosDateTime & kMinuteMask) >> 5];
-    [components setSecond:(msdosDateTime & kSecondMask) * 2];
-    
-    NSDate *date = [NSDate dateWithTimeInterval:0 sinceDate:[gregorian dateFromComponents:components]];
-	
-#if !__has_feature(objc_arc)
-	[gregorian release];
-	[components release];
-#endif
-	
-	return date;
-}
-
-@end

SSZipArchive.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |s|
+  s.name         = 'SSZipArchive'
+  s.version      = '1.1'
+  s.summary      = 'Utility class for zipping and unzipping files on iOS and Mac.'
+  s.description  = 'SSZipArchive is a simple utility class for zipping and unzipping files on iOS and Mac.'
+  s.homepage     = 'https://github.com/ZipArchive/ZipArchive'
+  s.license      = { :type => 'MIT', :file => 'LICENSE.txt' }
+  s.author       = { 'Sam Soffes' => 'sam@soff.es' }
+  s.source       = { :git => 'https://github.com/ZipArchive/ZipArchive.git', :tag => "v#{s.version}" }
+  s.ios.deployment_target = '4.0'
+  s.osx.deployment_target = '10.6'
+  s.source_files = 'SSZipArchive/*', 'SSZipArchive/minizip/*', 'SSZipArchive/aes/*'
+  s.public_header_files = 'SSZipArchive/*.h'
+  s.library = 'z'
+  s.requires_arc = true
+end

SSZipArchive/Common.h

@@ -0,0 +1,81 @@
+#ifndef SSZipCommon
+#define SSZipCommon
+
+/* tm_unz contain date/time info */
+typedef struct tm_unz_s
+{
+    unsigned int tm_sec;            /* seconds after the minute - [0,59] */
+    unsigned int tm_min;            /* minutes after the hour - [0,59] */
+    unsigned int tm_hour;           /* hours since midnight - [0,23] */
+    unsigned int tm_mday;           /* day of the month - [1,31] */
+    unsigned int tm_mon;            /* months since January - [0,11] */
+    unsigned int tm_year;           /* years - [1980..2044] */
+} tm_unz;
+
+typedef struct unz_file_info_s
+{
+    unsigned long version;              /* version made by                 2 bytes */
+    unsigned long version_needed;       /* version needed to extract       2 bytes */
+    unsigned long flag;                 /* general purpose bit flag        2 bytes */
+    unsigned long compression_method;   /* compression method              2 bytes */
+    unsigned long dosDate;              /* last mod file date in Dos fmt   4 bytes */
+    unsigned long crc;                  /* crc-32                          4 bytes */
+    unsigned long compressed_size;      /* compressed size                 4 bytes */
+    unsigned long uncompressed_size;    /* uncompressed size               4 bytes */
+    unsigned long size_filename;        /* filename length                 2 bytes */
+    unsigned long size_file_extra;      /* extra field length              2 bytes */
+    unsigned long size_file_comment;    /* file comment length             2 bytes */
+
+    unsigned long disk_num_start;       /* disk number start               2 bytes */
+    unsigned long internal_fa;          /* internal file attributes        2 bytes */
+    unsigned long external_fa;          /* external file attributes        4 bytes */
+
+    tm_unz tmu_date;
+} unz_file_info;
+
+/* unz_file_info contain information about a file in the zipfile */
+typedef struct unz_file_info64_s
+{
+    unsigned long version;              /* version made by                 2 bytes */
+    unsigned long version_needed;       /* version needed to extract       2 bytes */
+    unsigned long flag;                 /* general purpose bit flag        2 bytes */
+    unsigned long compression_method;   /* compression method              2 bytes */
+    unsigned long dosDate;              /* last mod file date in Dos fmt   4 bytes */
+    unsigned long crc;                  /* crc-32                          4 bytes */
+    unsigned long long compressed_size;   /* compressed size                 8 bytes */
+    unsigned long long uncompressed_size; /* uncompressed size               8 bytes */
+    unsigned long size_filename;        /* filename length                 2 bytes */
+    unsigned long size_file_extra;      /* extra field length              2 bytes */
+    unsigned long size_file_comment;    /* file comment length             2 bytes */
+    
+    unsigned long disk_num_start;       /* disk number start               2 bytes */
+    unsigned long internal_fa;          /* internal file attributes        2 bytes */
+    unsigned long external_fa;          /* external file attributes        4 bytes */
+    
+    tm_unz tmu_date;
+    unsigned long long disk_offset;
+    unsigned long size_file_extra_internal;
+} unz_file_info64;
+
+typedef struct unz_global_info_s
+{
+    unsigned long number_entry;         /* total number of entries in
+                                         the central dir on this disk */
+    
+    unsigned long number_disk_with_CD;  /* number the the disk with central dir, used for spanning ZIP*/
+
+    
+    unsigned long size_comment;         /* size of the global comment of the zipfile */
+} unz_global_info;
+
+typedef struct unz_global_info64
+{
+    unsigned long long number_entry;         /* total number of entries in
+                                 the central dir on this disk */
+    
+     unsigned long number_disk_with_CD;  /* number the the disk with central dir, used for spanning ZIP*/
+    
+    unsigned long size_comment;         /* size of the global comment of the zipfile */
+} unz_global_info64;
+
+#endif

SSZipArchive/Info.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>

SSZipArchive/SSZipArchive.h

@@ -0,0 +1,77 @@
+//
+//  SSZipArchive.h
+//  SSZipArchive
+//
+//  Created by Sam Soffes on 7/21/10.
+//  Copyright (c) Sam Soffes 2010-2015. All rights reserved.
+//
+
+#ifndef _SSZIPARCHIVE_H
+#define _SSZIPARCHIVE_H
+
+#import <Foundation/Foundation.h>
+#include "Common.h"
+
+@protocol SSZipArchiveDelegate;
+
+@interface SSZipArchive : NSObject
+
+// Unzip
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination;
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination delegate:(id<SSZipArchiveDelegate>)delegate;
+
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError * *)error;
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError * *)error delegate:(id<SSZipArchiveDelegate>)delegate;
+
++ (BOOL)unzipFileAtPath:(NSString *)path
+    toDestination:(NSString *)destination
+    progressHandler:(void (^)(NSString *entry, unz_file_info zipInfo, long entryNumber, long total))progressHandler
+    completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler;
+
++ (BOOL)unzipFileAtPath:(NSString *)path
+    toDestination:(NSString *)destination
+    overwrite:(BOOL)overwrite
+    password:(NSString *)password
+    progressHandler:(void (^)(NSString *entry, unz_file_info zipInfo, long entryNumber, long total))progressHandler
+    completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler;
+
+// Zip
+
+// without password
++ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)paths;
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath;
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath keepParentDirectory:(BOOL)keepParentDirector;
+
+// with password, password could be nil
++ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)paths withPassword:(NSString *)password;
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath withPassword:(NSString *)password;
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath keepParentDirectory:(BOOL)keepParentDirectory withPassword:(NSString *)password;
+
+- (instancetype)initWithPath:(NSString *)path;
+@property (NS_NONATOMIC_IOSONLY, readonly, getter = isOpen) BOOL open;
+- (BOOL)writeFile:(NSString *)path withPassword:(NSString *)password;
+- (BOOL)writeFolderAtPath:(NSString *)path withFolderName:(NSString *)folderName withPassword:(NSString *)password;
+- (BOOL)writeFileAtPath:(NSString *)path withFileName:(NSString *)fileName withPassword:(NSString *)password;
+- (BOOL)writeData:(NSData *)data filename:(NSString *)filename withPassword:(NSString *)password;
+@property (NS_NONATOMIC_IOSONLY, readonly, getter = isClosed) BOOL close;
+
+@end
+
+@protocol SSZipArchiveDelegate <NSObject>
+
+@optional
+
+- (void)zipArchiveWillUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo;
+- (void)zipArchiveDidUnzipArchiveAtPath:(NSString *)path zipInfo:(unz_global_info)zipInfo unzippedPath:(NSString *)unzippedPath;
+
+- (BOOL)zipArchiveShouldUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
+- (void)zipArchiveWillUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
+- (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
+- (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath unzippedFilePath:(NSString *)unzippedFilePath;
+
+- (void)zipArchiveProgressEvent:(unsigned long long)loaded total:(unsigned long long)total;
+- (void)zipArchiveDidUnzipArchiveFile:(NSString *)zipFile entryPath:(NSString *)entryPath destPath:(NSString *)destPath;
+
+@end
+
+#endif /* _SSZIPARCHIVE_H */

SSZipArchive/SSZipArchive.m

@@ -0,0 +1,711 @@
+//
+//  SSZipArchive.m
+//  SSZipArchive
+//
+//  Created by Sam Soffes on 7/21/10.
+//  Copyright (c) Sam Soffes 2010-2015. All rights reserved.
+//
+#import "SSZipArchive.h"
+#include "unzip.h"
+#include "zip.h"
+#import "zlib.h"
+#import "zconf.h"
+
+#include <sys/stat.h>
+
+#define CHUNK 16384
+
+@interface SSZipArchive ()
++ (NSDate *)_dateWithMSDOSFormat:(UInt32)msdosDateTime;
+@end
+
+@implementation SSZipArchive
+{
+    NSString *_path;
+    NSString *_filename;
+    zipFile _zip;
+}
+
+#pragma mark - Unzipping
+
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination
+{
+    return [self unzipFileAtPath:path toDestination:destination delegate:nil];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error
+{
+    return [self unzipFileAtPath:path toDestination:destination overwrite:overwrite password:password error:error delegate:nil progressHandler:nil completionHandler:nil];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination delegate:(id<SSZipArchiveDelegate>)delegate
+{
+    return [self unzipFileAtPath:path toDestination:destination overwrite:YES password:nil error:nil delegate:delegate progressHandler:nil completionHandler:nil];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path toDestination:(NSString *)destination overwrite:(BOOL)overwrite password:(NSString *)password error:(NSError **)error delegate:(id<SSZipArchiveDelegate>)delegate
+{
+    return [self unzipFileAtPath:path toDestination:destination overwrite:overwrite password:password error:error delegate:delegate progressHandler:nil completionHandler:nil];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path
+          toDestination:(NSString *)destination
+              overwrite:(BOOL)overwrite
+               password:(NSString *)password
+        progressHandler:(void (^)(NSString *entry, unz_file_info zipInfo, long entryNumber, long total))progressHandler
+      completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler
+{
+    return [self unzipFileAtPath:path toDestination:destination overwrite:overwrite password:password error:nil delegate:nil progressHandler:progressHandler completionHandler:completionHandler];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path
+          toDestination:(NSString *)destination
+        progressHandler:(void (^)(NSString *entry, unz_file_info zipInfo, long entryNumber, long total))progressHandler
+      completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler
+{
+    return [self unzipFileAtPath:path toDestination:destination overwrite:YES password:nil error:nil delegate:nil progressHandler:progressHandler completionHandler:completionHandler];
+}
+
++ (BOOL)unzipFileAtPath:(NSString *)path
+          toDestination:(NSString *)destination
+              overwrite:(BOOL)overwrite
+               password:(NSString *)password
+                  error:(NSError **)error
+               delegate:(id<SSZipArchiveDelegate>)delegate
+        progressHandler:(void (^)(NSString *entry, unz_file_info zipInfo, long entryNumber, long total))progressHandler
+      completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler
+{
+    // Begin opening
+    zipFile zip = unzOpen((const char*)[path UTF8String]);
+    if (zip == NULL)
+    {
+        NSDictionary *userInfo = @{NSLocalizedDescriptionKey: @"failed to open zip file"};
+        NSError *err = [NSError errorWithDomain:@"SSZipArchiveErrorDomain" code:-1 userInfo:userInfo];
+        if (error)
+        {
+            *error = err;
+        }
+        if (completionHandler)
+        {
+            completionHandler(nil, NO, err);
+        }
+        return NO;
+    }
+    
+    NSDictionary * fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:path error:nil];
+    unsigned long long fileSize = [fileAttributes[NSFileSize] unsignedLongLongValue];
+    unsigned long long currentPosition = 0;
+    
+    unz_global_info  globalInfo = {0ul, 0ul};
+    unzGetGlobalInfo(zip, &globalInfo);
+    
+    // Begin unzipping
+    if (unzGoToFirstFile(zip) != UNZ_OK)
+    {
+        NSDictionary *userInfo = @{NSLocalizedDescriptionKey: @"failed to open first file in zip file"};
+        NSError *err = [NSError errorWithDomain:@"SSZipArchiveErrorDomain" code:-2 userInfo:userInfo];
+        if (error)
+        {
+            *error = err;
+        }
+        if (completionHandler)
+        {
+            completionHandler(nil, NO, err);
+        }
+        return NO;
+    }
+    
+    BOOL success = YES;
+    BOOL canceled = NO;
+    int ret = 0;
+    int crc_ret =0;
+    unsigned char buffer[4096] = {0};
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSMutableSet *directoriesModificationDates = [[NSMutableSet alloc] init];
+    
+    // Message delegate
+    if ([delegate respondsToSelector:@selector(zipArchiveWillUnzipArchiveAtPath:zipInfo:)]) {
+        [delegate zipArchiveWillUnzipArchiveAtPath:path zipInfo:globalInfo];
+    }
+    if ([delegate respondsToSelector:@selector(zipArchiveProgressEvent:total:)]) {
+        [delegate zipArchiveProgressEvent:currentPosition total:fileSize];
+    }
+    
+    NSInteger currentFileNumber = 0;
+    do {
+        @autoreleasepool {
+            if ([password length] == 0) {
+                ret = unzOpenCurrentFile(zip);
+            } else {
+                ret = unzOpenCurrentFilePassword(zip, [password cStringUsingEncoding:NSASCIIStringEncoding]);
+            }
+            
+            if (ret != UNZ_OK) {
+                success = NO;
+                break;
+            }
+            
+            // Reading data and write to file
+            unz_file_info fileInfo;
+            memset(&fileInfo, 0, sizeof(unz_file_info));
+            
+            ret = unzGetCurrentFileInfo(zip, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
+            if (ret != UNZ_OK) {
+                success = NO;
+                unzCloseCurrentFile(zip);
+                break;
+            }
+            
+            currentPosition += fileInfo.compressed_size;
+            
+            // Message delegate
+            if ([delegate respondsToSelector:@selector(zipArchiveShouldUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
+                if (![delegate zipArchiveShouldUnzipFileAtIndex:currentFileNumber
+                                                     totalFiles:(NSInteger)globalInfo.number_entry
+                                                    archivePath:path fileInfo:fileInfo]) {
+                    success = NO;
+                    canceled = YES;
+                    break;
+                }
+            }
+            if ([delegate respondsToSelector:@selector(zipArchiveWillUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
+                [delegate zipArchiveWillUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
+                                             archivePath:path fileInfo:fileInfo];
+            }
+            if ([delegate respondsToSelector:@selector(zipArchiveProgressEvent:total:)]) {
+                [delegate zipArchiveProgressEvent:(NSInteger)currentPosition total:(NSInteger)fileSize];
+            }
+            
+            char *filename = (char *)malloc(fileInfo.size_filename + 1);
+            if (filename == NULL)
+            {
+                return NO;
+            }
+            
+            unzGetCurrentFileInfo(zip, &fileInfo, filename, fileInfo.size_filename + 1, NULL, 0, NULL, 0);
+            filename[fileInfo.size_filename] = '\0';
+            
+            //
+            // Determine whether this is a symbolic link:
+            // - File is stored with 'version made by' value of UNIX (3),
+            //   as per http://www.pkware.com/documents/casestudies/APPNOTE.TXT
+            //   in the upper byte of the version field.
+            // - BSD4.4 st_mode constants are stored in the high 16 bits of the
+            //   external file attributes (defacto standard, verified against libarchive)
+            //
+            // The original constants can be found here:
+            //    http://minnie.tuhs.org/cgi-bin/utree.pl?file=4.4BSD/usr/include/sys/stat.h
+            //
+            const uLong ZipUNIXVersion = 3;
+            const uLong BSD_SFMT = 0170000;
+            const uLong BSD_IFLNK = 0120000;
+            
+            BOOL fileIsSymbolicLink = NO;
+            if (((fileInfo.version >> 8) == ZipUNIXVersion) && BSD_IFLNK == (BSD_SFMT & (fileInfo.external_fa >> 16))) {
+                fileIsSymbolicLink = NO;
+            }
+            
+            // Check if it contains directory
+            NSString *strPath = @(filename);
+            BOOL isDirectory = NO;
+            if (filename[fileInfo.size_filename-1] == '/' || filename[fileInfo.size_filename-1] == '\\') {
+                isDirectory = YES;
+            }
+            free(filename);
+            
+            // Contains a path
+            if ([strPath rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"/\\"]].location != NSNotFound) {
+                strPath = [strPath stringByReplacingOccurrencesOfString:@"\\" withString:@"/"];
+            }
+            
+            NSString *fullPath = [destination stringByAppendingPathComponent:strPath];
+            NSError *err = nil;
+            NSDate *modDate = [[self class] _dateWithMSDOSFormat:(UInt32)fileInfo.dosDate];
+            NSDictionary *directoryAttr = @{NSFileCreationDate: modDate, NSFileModificationDate: modDate};
+            
+            if (isDirectory) {
+                [fileManager createDirectoryAtPath:fullPath withIntermediateDirectories:YES attributes:directoryAttr  error:&err];
+            } else {
+                [fileManager createDirectoryAtPath:[fullPath stringByDeletingLastPathComponent] withIntermediateDirectories:YES attributes:directoryAttr error:&err];
+            }
+            if (nil != err) {
+                NSLog(@"[SSZipArchive] Error: %@", err.localizedDescription);
+            }
+            
+            if(!fileIsSymbolicLink)
+                [directoriesModificationDates addObject: @{@"path": fullPath, @"modDate": modDate}];
+            
+            if ([fileManager fileExistsAtPath:fullPath] && !isDirectory && !overwrite) {
+                //FIXME: couldBe CRC Check?
+                unzCloseCurrentFile(zip);
+                ret = unzGoToNextFile(zip);
+                continue;
+            }
+            
+            if (!fileIsSymbolicLink) {
+                FILE *fp = fopen((const char*)[fullPath UTF8String], "wb");
+                while (fp) {
+                    int readBytes = unzReadCurrentFile(zip, buffer, 4096);
+                    
+                    if (readBytes > 0) {
+                        fwrite(buffer, readBytes, 1, fp );
+                    } else {
+                        break;
+                    }
+                }
+                
+                if (fp) {
+                    if ([[[fullPath pathExtension] lowercaseString] isEqualToString:@"zip"]) {
+                        NSLog(@"Unzipping nested .zip file:  %@", [fullPath lastPathComponent]);
+                        if ([self unzipFileAtPath:fullPath toDestination:[fullPath stringByDeletingLastPathComponent] overwrite:overwrite password:password error:nil delegate:nil]) {
+                            [[NSFileManager defaultManager] removeItemAtPath:fullPath error:nil];
+                        }
+                    }
+                    
+                    fclose(fp);
+                    
+                    // Set the original datetime property
+                    if (fileInfo.dosDate != 0) {
+                        NSDate *orgDate = [[self class] _dateWithMSDOSFormat:(UInt32)fileInfo.dosDate];
+                        NSDictionary *attr = @{NSFileModificationDate: orgDate};
+                        
+                        if (attr) {
+                            if ([fileManager setAttributes:attr ofItemAtPath:fullPath error:nil] == NO) {
+                                // Can't set attributes
+                                NSLog(@"[SSZipArchive] Failed to set attributes - whilst setting modification date");
+                            }
+                        }
+                    }
+                    
+                    // Set the original permissions on the file
+                    uLong permissions = fileInfo.external_fa >> 16;
+                    if (permissions != 0) {
+                        // Store it into a NSNumber
+                        NSNumber *permissionsValue = @(permissions);
+                        
+                        // Retrieve any existing attributes
+                        NSMutableDictionary *attrs = [[NSMutableDictionary alloc] initWithDictionary:[fileManager attributesOfItemAtPath:fullPath error:nil]];
+                        
+                        // Set the value in the attributes dict
+                        attrs[NSFilePosixPermissions] = permissionsValue;
+                        
+                        // Update attributes
+                        if ([fileManager setAttributes:attrs ofItemAtPath:fullPath error:nil] == NO) {
+                            // Unable to set the permissions attribute
+                            NSLog(@"[SSZipArchive] Failed to set attributes - whilst setting permissions");
+                        }
+                        
+#if !__has_feature(objc_arc)
+                        [attrs release];
+#endif
+                    }
+                }
+            }
+            else
+            {
+                // Assemble the path for the symbolic link
+                NSMutableString* destinationPath = [NSMutableString string];
+                int bytesRead = 0;
+                while((bytesRead = unzReadCurrentFile(zip, buffer, 4096)) > 0)
+                {
+                    buffer[bytesRead] = (int)0;
+                    [destinationPath appendString:@((const char*)buffer)];
+                }
+                
+                // Create the symbolic link (making sure it stays relative if it was relative before)
+                int symlinkError = symlink([destinationPath cStringUsingEncoding:NSUTF8StringEncoding],
+                                           [fullPath cStringUsingEncoding:NSUTF8StringEncoding]);
+                
+                if(symlinkError != 0)
+                {
+                    NSLog(@"Failed to create symbolic link at \"%@\" to \"%@\". symlink() error code: %d", fullPath, destinationPath, errno);
+                }
+            }
+            
+            crc_ret = unzCloseCurrentFile( zip );
+            if (crc_ret == UNZ_CRCERROR) {
+                //CRC ERROR
+                success = NO;
+                break;
+            }
+            ret = unzGoToNextFile( zip );
+            
+            // Message delegate
+            if ([delegate respondsToSelector:@selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:fileInfo:)]) {
+                [delegate zipArchiveDidUnzipFileAtIndex:currentFileNumber totalFiles:(NSInteger)globalInfo.number_entry
+                                            archivePath:path fileInfo:fileInfo];
+            } else if ([delegate respondsToSelector: @selector(zipArchiveDidUnzipFileAtIndex:totalFiles:archivePath:unzippedFilePath:)]) {
+                [delegate zipArchiveDidUnzipFileAtIndex: currentFileNumber totalFiles: (NSInteger)globalInfo.number_entry
+                                            archivePath:path unzippedFilePath: fullPath];
+            }
+            
+            currentFileNumber++;
+            if (progressHandler)
+            {
+                progressHandler(strPath, fileInfo, currentFileNumber, globalInfo.number_entry);
+            }
+        }
+    } while(ret == UNZ_OK && ret != UNZ_END_OF_LIST_OF_FILE);
+    
+    // Close
+    unzClose(zip);
+    
+    // The process of decompressing the .zip archive causes the modification times on the folders
+    // to be set to the present time. So, when we are done, they need to be explicitly set.
+    // set the modification date on all of the directories.
+    NSError * err = nil;
+    for (NSDictionary * d in directoriesModificationDates) {
+        if (![[NSFileManager defaultManager] setAttributes:@{NSFileModificationDate: d[@"modDate"]} ofItemAtPath:d[@"path"] error:&err]) {
+            NSLog(@"[SSZipArchive] Set attributes failed for directory: %@.", d[@"path"]);
+        }
+        if (err) {
+            NSLog(@"[SSZipArchive] Error setting directory file modification date attribute: %@",err.localizedDescription);
+        }
+    }
+    
+#if !__has_feature(objc_arc)
+    [directoriesModificationDates release];
+#endif
+    
+    // Message delegate
+    if (success && [delegate respondsToSelector:@selector(zipArchiveDidUnzipArchiveAtPath:zipInfo:unzippedPath:)]) {
+        [delegate zipArchiveDidUnzipArchiveAtPath:path zipInfo:globalInfo unzippedPath:destination];
+    }
+    // final progress event = 100%
+    if (!canceled && [delegate respondsToSelector:@selector(zipArchiveProgressEvent:total:)]) {
+        [delegate zipArchiveProgressEvent:fileSize total:fileSize];
+    }
+    
+    NSError *retErr = nil;
+    if (crc_ret == UNZ_CRCERROR)
+    {
+        NSDictionary *userInfo = @{NSLocalizedDescriptionKey: @"crc check failed for file"};
+        retErr = [NSError errorWithDomain:@"SSZipArchiveErrorDomain" code:-3 userInfo:userInfo];
+    }
+    if (error)
+    {
+        *error = retErr;
+    }
+    if (completionHandler)
+    {
+        completionHandler(path, success, retErr);
+    }
+    return success;
+}
+
+#pragma mark - Zipping
++ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)paths
+{
+    return [SSZipArchive createZipFileAtPath:path withFilesAtPaths:paths withPassword:nil];
+}
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath{
+    return [SSZipArchive createZipFileAtPath:path withContentsOfDirectory:directoryPath withPassword:nil];
+}
+
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath keepParentDirectory:(BOOL)keepParentDirector{
+    return [SSZipArchive createZipFileAtPath:path withContentsOfDirectory:directoryPath keepParentDirectory:keepParentDirector withPassword:nil];
+}
+
++ (BOOL)createZipFileAtPath:(NSString *)path withFilesAtPaths:(NSArray *)paths withPassword:(NSString *)password
+{
+    BOOL success = NO;
+    SSZipArchive *zipArchive = [[SSZipArchive alloc] initWithPath:path];
+    if ([zipArchive open]) {
+        for (NSString *filePath in paths) {
+            [zipArchive writeFile:filePath withPassword:password];
+        }
+        success = [zipArchive close];
+    }
+    
+#if !__has_feature(objc_arc)
+    [zipArchive release];
+#endif
+    
+    return success;
+}
+
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath  withPassword:(NSString *)password{
+    return [self createZipFileAtPath:path withContentsOfDirectory:directoryPath keepParentDirectory:NO withPassword:password];
+}
+
+
++ (BOOL)createZipFileAtPath:(NSString *)path withContentsOfDirectory:(NSString *)directoryPath keepParentDirectory:(BOOL)keepParentDirectory withPassword:(NSString *)password{
+    BOOL success = NO;
+    
+    NSFileManager *fileManager = nil;
+    SSZipArchive *zipArchive = [[SSZipArchive alloc] initWithPath:path];
+    
+    if ([zipArchive open]) {
+        // use a local filemanager (queue/thread compatibility)
+        fileManager = [[NSFileManager alloc] init];
+        NSDirectoryEnumerator *dirEnumerator = [fileManager enumeratorAtPath:directoryPath];
+        NSString *fileName;
+        while ((fileName = [dirEnumerator nextObject])) {
+            BOOL isDir;
+            NSString *fullFilePath = [directoryPath stringByAppendingPathComponent:fileName];
+            [fileManager fileExistsAtPath:fullFilePath isDirectory:&isDir];
+            if (!isDir) {
+                if (keepParentDirectory)
+                {
+                    fileName = [[directoryPath lastPathComponent] stringByAppendingPathComponent:fileName];
+                }
+                [zipArchive writeFileAtPath:fullFilePath withFileName:fileName withPassword:password];
+            }
+            else
+            {
+                if([[NSFileManager defaultManager] subpathsOfDirectoryAtPath:fullFilePath error:nil].count == 0)
+                {
+                    NSString *tempName = [fullFilePath stringByAppendingPathComponent:@".DS_Store"];
+                    [@"" writeToFile:tempName atomically:YES encoding:NSUTF8StringEncoding error:nil];
+                    [zipArchive writeFileAtPath:tempName withFileName:[fileName stringByAppendingPathComponent:@".DS_Store"] withPassword:password];
+                    [[NSFileManager defaultManager] removeItemAtPath:tempName error:nil];
+                }
+            }
+        }
+        success = [zipArchive close];
+    }
+    
+#if !__has_feature(objc_arc)
+    [fileManager release];
+    [zipArchive release];
+#endif
+    
+    return success;
+}
+
+
+- (instancetype)initWithPath:(NSString *)path
+{
+    if ((self = [super init])) {
+        _path = [path copy];
+    }
+    return self;
+}
+
+
+#if !__has_feature(objc_arc)
+- (void)dealloc
+{
+    [_path release];
+    [super dealloc];
+}
+#endif
+
+
+- (BOOL)open
+{
+    NSAssert((_zip == NULL), @"Attempting open an archive which is already open");
+    _zip = zipOpen([_path UTF8String], APPEND_STATUS_CREATE);
+    return (NULL != _zip);
+}
+
+
+- (void)zipInfo:(zip_fileinfo*)zipInfo setDate:(NSDate*)date
+{
+    NSCalendar *currentCalendar = [NSCalendar currentCalendar];
+#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
+    uint flags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond;
+#else
+    uint flags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
+#endif
+    NSDateComponents *components = [currentCalendar components:flags fromDate:date];
+    zipInfo->tmz_date.tm_sec = (unsigned int)components.second;
+    zipInfo->tmz_date.tm_min = (unsigned int)components.minute;
+    zipInfo->tmz_date.tm_hour = (unsigned int)components.hour;
+    zipInfo->tmz_date.tm_mday = (unsigned int)components.day;
+    zipInfo->tmz_date.tm_mon = (unsigned int)components.month - 1;
+    zipInfo->tmz_date.tm_year = (unsigned int)components.year;
+}
+
+- (BOOL)writeFolderAtPath:(NSString *)path withFolderName:(NSString *)folderName withPassword:(NSString *)password
+{
+    NSAssert((_zip != NULL), @"Attempting to write to an archive which was never opened");
+    
+    zip_fileinfo zipInfo = {{0}};
+    
+    NSDictionary *attr = [[NSFileManager defaultManager] attributesOfItemAtPath:path error: nil];
+    if( attr )
+    {
+        NSDate *fileDate = (NSDate *)attr[NSFileModificationDate];
+        if( fileDate )
+        {
+            [self zipInfo:&zipInfo setDate: fileDate ];
+        }
+        
+        // Write permissions into the external attributes, for details on this see here: http://unix.stackexchange.com/a/14727
+        // Get the permissions value from the files attributes
+        NSNumber *permissionsValue = (NSNumber *)attr[NSFilePosixPermissions];
+        if (permissionsValue) {
+            // Get the short value for the permissions
+            short permissionsShort = permissionsValue.shortValue;
+            
+            // Convert this into an octal by adding 010000, 010000 being the flag for a regular file
+            NSInteger permissionsOctal = 0100000 + permissionsShort;
+            
+            // Convert this into a long value
+            uLong permissionsLong = @(permissionsOctal).unsignedLongValue;
+            
+            // Store this into the external file attributes once it has been shifted 16 places left to form part of the second from last byte
+            zipInfo.external_fa = permissionsLong << 16L;
+        }
+    }
+    
+    unsigned int len = 0;
+    zipOpenNewFileInZip3(_zip, [[folderName stringByAppendingString:@"/"] UTF8String], &zipInfo, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_NO_COMPRESSION, 0, -MAX_WBITS, DEF_MEM_LEVEL,
+                         Z_DEFAULT_STRATEGY, [password UTF8String], 0);
+    zipWriteInFileInZip(_zip, &len, 0);
+    zipCloseFileInZip(_zip);
+    return YES;
+}
+
+- (BOOL)writeFile:(NSString *)path withPassword:(NSString *)password;
+{
+    return [self writeFileAtPath:path withFileName:nil withPassword:password];
+}
+
+// supports writing files with logical folder/directory structure
+// *path* is the absolute path of the file that will be compressed
+// *fileName* is the relative name of the file how it is stored within the zip e.g. /folder/subfolder/text1.txt
+- (BOOL)writeFileAtPath:(NSString *)path withFileName:(NSString *)fileName withPassword:(NSString *)password
+{
+    NSAssert((_zip != NULL), @"Attempting to write to an archive which was never opened");
+    
+    FILE *input = fopen([path UTF8String], "r");
+    if (NULL == input) {
+        return NO;
+    }
+    
+    const char *afileName;
+    if (!fileName) {
+        afileName = [path.lastPathComponent UTF8String];
+    }
+    else {
+        afileName = [fileName UTF8String];
+    }
+    
+    zip_fileinfo zipInfo = {{0}};
+    
+    NSDictionary *attr = [[NSFileManager defaultManager] attributesOfItemAtPath:path error: nil];
+    if( attr )
+    {
+        NSDate *fileDate = (NSDate *)attr[NSFileModificationDate];
+        if( fileDate )
+        {
+            [self zipInfo:&zipInfo setDate: fileDate ];
+        }
+        
+        // Write permissions into the external attributes, for details on this see here: http://unix.stackexchange.com/a/14727
+        // Get the permissions value from the files attributes
+        NSNumber *permissionsValue = (NSNumber *)attr[NSFilePosixPermissions];
+        if (permissionsValue) {
+            // Get the short value for the permissions
+            short permissionsShort = permissionsValue.shortValue;
+            
+            // Convert this into an octal by adding 010000, 010000 being the flag for a regular file
+            NSInteger permissionsOctal = 0100000 + permissionsShort;
+            
+            // Convert this into a long value
+            uLong permissionsLong = @(permissionsOctal).unsignedLongValue;
+            
+            // Store this into the external file attributes once it has been shifted 16 places left to form part of the second from last byte
+            zipInfo.external_fa = permissionsLong << 16L;
+        }
+    }
+    
+    void *buffer = malloc(CHUNK);
+    if (buffer == NULL)
+    {
+        return NO;
+    }
+
+    zipOpenNewFileInZip3(_zip, afileName, &zipInfo, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, [password UTF8String], 0);
+    unsigned int len = 0;
+    
+    while (!feof(input))
+    {
+        len = (unsigned int) fread(buffer, 1, CHUNK, input);
+        zipWriteInFileInZip(_zip, buffer, len);
+    }
+    
+    zipCloseFileInZip(_zip);
+    free(buffer);
+    fclose(input);
+    return YES;
+}
+
+- (BOOL)writeData:(NSData *)data filename:(NSString *)filename withPassword:(NSString *)password;
+{
+    if (!_zip) {
+        return NO;
+    }
+    if (!data) {
+        return NO;
+    }
+    zip_fileinfo zipInfo = {{0,0,0,0,0,0},0,0,0};
+    [self zipInfo:&zipInfo setDate:[NSDate date]];
+    
+    zipOpenNewFileInZip3(_zip, [filename UTF8String], &zipInfo, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, [password UTF8String], 0);
+    
+    zipWriteInFileInZip(_zip, data.bytes, (unsigned int)data.length);
+    
+    zipCloseFileInZip(_zip);
+    return YES;
+}
+
+
+- (BOOL)close
+{
+    NSAssert((_zip != NULL), @"[SSZipArchive] Attempting to close an archive which was never opened");
+    zipClose(_zip, NULL);
+    return YES;
+}
+
+#pragma mark - Private
+
+// Format from http://newsgroups.derkeiler.com/Archive/Comp/comp.os.msdos.programmer/2009-04/msg00060.html
+// Two consecutive words, or a longword, YYYYYYYMMMMDDDDD hhhhhmmmmmmsssss
+// YYYYYYY is years from 1980 = 0
+// sssss is (seconds/2).
+//
+// 3658 = 0011 0110 0101 1000 = 0011011 0010 11000 = 27 2 24 = 2007-02-24
+// 7423 = 0111 0100 0010 0011 - 01110 100001 00011 = 14 33 3 = 14:33:06
++ (NSDate *)_dateWithMSDOSFormat:(UInt32)msdosDateTime
+{
+    static const UInt32 kYearMask = 0xFE000000;
+    static const UInt32 kMonthMask = 0x1E00000;
+    static const UInt32 kDayMask = 0x1F0000;
+    static const UInt32 kHourMask = 0xF800;
+    static const UInt32 kMinuteMask = 0x7E0;
+    static const UInt32 kSecondMask = 0x1F;
+    
+    static NSCalendar *gregorian;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
+        gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
+#else
+        gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
+#endif
+    });
+    
+    NSDateComponents *components = [[NSDateComponents alloc] init];
+    
+    NSAssert(0xFFFFFFFF == (kYearMask | kMonthMask | kDayMask | kHourMask | kMinuteMask | kSecondMask), @"[SSZipArchive] MSDOS date masks don't add up");
+    
+    [components setYear:1980 + ((msdosDateTime & kYearMask) >> 25)];
+    [components setMonth:(msdosDateTime & kMonthMask) >> 21];
+    [components setDay:(msdosDateTime & kDayMask) >> 16];
+    [components setHour:(msdosDateTime & kHourMask) >> 11];
+    [components setMinute:(msdosDateTime & kMinuteMask) >> 5];
+    [components setSecond:(msdosDateTime & kSecondMask) * 2];
+    
+    NSDate *date = [NSDate dateWithTimeInterval:0 sinceDate:[gregorian dateFromComponents:components]];
+    
+#if !__has_feature(objc_arc)
+    [components release];
+#endif
+    
+    return date;
+}
+
+@end

SSZipArchive/ZipArchive.h

@@ -0,0 +1,20 @@
+//
+//  ZipArchive.h
+//  ZipArchive
+//
+//  Created by Serhii Mumriak on 12/1/15.
+//  Copyright © 2015 smumryak. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for ZipArchive.
+FOUNDATION_EXPORT double ZipArchiveVersionNumber;
+
+//! Project version string for ZipArchive.
+FOUNDATION_EXPORT const unsigned char ZipArchiveVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <ZipArchive/PublicHeader.h>
+
+#import "SSZipArchive.h"
+

SSZipArchive/aes/aes.h

@@ -0,0 +1,198 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+
+ This file contains the definitions required to use AES in C. See aesopt.h
+ for optimisation details.
+*/
+
+#ifndef _AES_H
+#define _AES_H
+
+#include <stdlib.h>
+
+/*  This include is used to find 8 & 32 bit unsigned integer types  */
+#include "brg_types.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#define AES_128     /* if a fast 128 bit key scheduler is needed    */
+#define AES_192     /* if a fast 192 bit key scheduler is needed    */
+#define AES_256     /* if a fast 256 bit key scheduler is needed    */
+#define AES_VAR     /* if variable key size scheduler is needed     */
+#define AES_MODES   /* if support is needed for modes               */
+
+/* The following must also be set in assembler files if being used  */
+
+#define AES_ENCRYPT /* if support for encryption is needed          */
+#define AES_DECRYPT /* if support for decryption is needed          */
+#define AES_REV_DKS /* define to reverse decryption key schedule    */
+
+#define AES_BLOCK_SIZE  16  /* the AES block size in bytes          */
+#define N_COLS           4  /* the number of columns in the state   */
+
+/* The key schedule length is 11, 13 or 15 16-byte blocks for 128,  */
+/* 192 or 256-bit keys respectively. That is 176, 208 or 240 bytes  */
+/* or 44, 52 or 60 32-bit words.                                    */
+
+#if defined( AES_VAR ) || defined( AES_256 )
+#define KS_LENGTH       60
+#elif defined( AES_192 )
+#define KS_LENGTH       52
+#else
+#define KS_LENGTH       44
+#endif
+
+#define AES_RETURN INT_RETURN
+
+/* the character array 'inf' in the following structures is used    */
+/* to hold AES context information. This AES code uses cx->inf.b[0] */
+/* to hold the number of rounds multiplied by 16. The other three   */
+/* elements can be used by code that implements additional modes    */
+
+typedef union
+{   uint_32t l;
+    uint_8t b[4];
+} aes_inf;
+
+typedef struct
+{   uint_32t ks[KS_LENGTH];
+    aes_inf inf;
+} aes_encrypt_ctx;
+
+typedef struct
+{   uint_32t ks[KS_LENGTH];
+    aes_inf inf;
+} aes_decrypt_ctx;
+
+/* This routine must be called before first use if non-static       */
+/* tables are being used                                            */
+
+AES_RETURN aes_init(void);
+
+/* Key lengths in the range 16 <= key_len <= 32 are given in bytes, */
+/* those in the range 128 <= key_len <= 256 are given in bits       */
+
+#if defined( AES_ENCRYPT )
+
+#if defined( AES_128 ) || defined( AES_VAR)
+AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_192 ) || defined( AES_VAR)
+AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_256 ) || defined( AES_VAR)
+AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_VAR )
+AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1]);
+#endif
+
+AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1]);
+
+#endif
+
+#if defined( AES_DECRYPT )
+
+#if defined( AES_128 ) || defined( AES_VAR)
+AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_192 ) || defined( AES_VAR)
+AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_256 ) || defined( AES_VAR)
+AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
+#endif
+
+#if defined( AES_VAR )
+AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1]);
+#endif
+
+AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1]);
+
+#endif
+
+#if defined( AES_MODES )
+
+/* Multiple calls to the following subroutines for multiple block   */
+/* ECB, CBC, CFB, OFB and CTR mode encryption can be used to handle */
+/* long messages incremantally provided that the context AND the iv */
+/* are preserved between all such calls.  For the ECB and CBC modes */
+/* each individual call within a series of incremental calls must   */
+/* process only full blocks (i.e. len must be a multiple of 16) but */
+/* the CFB, OFB and CTR mode calls can handle multiple incremental  */
+/* calls of any length. Each mode is reset when a new AES key is    */
+/* set but ECB and CBC operations can be reset without setting a    */
+/* new key by setting a new IV value.  To reset CFB, OFB and CTR    */
+/* without setting the key, aes_mode_reset() must be called and the */
+/* IV must be set.  NOTE: All these calls update the IV on exit so  */
+/* this has to be reset if a new operation with the same IV as the  */
+/* previous one is required (or decryption follows encryption with  */
+/* the same IV array).                                              */
+
+AES_RETURN aes_test_alignment_detection(unsigned int n);
+
+AES_RETURN aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, const aes_encrypt_ctx cx[1]);
+
+AES_RETURN aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, const aes_decrypt_ctx cx[1]);
+
+AES_RETURN aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, unsigned char *iv, const aes_encrypt_ctx cx[1]);
+
+AES_RETURN aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, unsigned char *iv, const aes_decrypt_ctx cx[1]);
+
+AES_RETURN aes_mode_reset(aes_encrypt_ctx cx[1]);
+
+AES_RETURN aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
+
+AES_RETURN aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
+
+#define aes_ofb_encrypt aes_ofb_crypt
+#define aes_ofb_decrypt aes_ofb_crypt
+
+AES_RETURN aes_ofb_crypt(const unsigned char *ibuf, unsigned char *obuf,
+                    int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
+
+typedef void cbuf_inc(unsigned char *cbuf);
+
+#define aes_ctr_encrypt aes_ctr_crypt
+#define aes_ctr_decrypt aes_ctr_crypt
+
+AES_RETURN aes_ctr_crypt(const unsigned char *ibuf, unsigned char *obuf,
+            int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1]);
+
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/aes_via_ace.h

@@ -0,0 +1,541 @@
+/*
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#ifndef AES_VIA_ACE_H
+#define AES_VIA_ACE_H
+
+#if defined( _MSC_VER )
+#  define INLINE  __inline
+#elif defined( __GNUC__ )
+#  define INLINE  static inline
+#else
+#  error VIA ACE requires Microsoft or GNU C
+#endif
+
+#define NEH_GENERATE    1
+#define NEH_LOAD        2
+#define NEH_HYBRID      3
+
+#define MAX_READ_ATTEMPTS   1000
+
+/* VIA Nehemiah RNG and ACE Feature Mask Values */
+
+#define NEH_CPU_IS_VIA      0x00000001
+#define NEH_CPU_READ        0x00000010
+#define NEH_CPU_MASK        0x00000011
+
+#define NEH_RNG_PRESENT     0x00000004
+#define NEH_RNG_ENABLED     0x00000008
+#define NEH_ACE_PRESENT     0x00000040
+#define NEH_ACE_ENABLED     0x00000080
+#define NEH_RNG_FLAGS       (NEH_RNG_PRESENT | NEH_RNG_ENABLED)
+#define NEH_ACE_FLAGS       (NEH_ACE_PRESENT | NEH_ACE_ENABLED)
+#define NEH_FLAGS_MASK      (NEH_RNG_FLAGS | NEH_ACE_FLAGS)
+
+/* VIA Nehemiah Advanced Cryptography Engine (ACE) Control Word Values  */
+
+#define NEH_GEN_KEY     0x00000000      /* generate key schedule        */
+#define NEH_LOAD_KEY    0x00000080      /* load schedule from memory    */
+#define NEH_ENCRYPT     0x00000000      /* encryption                   */
+#define NEH_DECRYPT     0x00000200      /* decryption                   */
+#define NEH_KEY128      0x00000000+0x0a /* 128 bit key                  */
+#define NEH_KEY192      0x00000400+0x0c /* 192 bit key                  */
+#define NEH_KEY256      0x00000800+0x0e /* 256 bit key                  */
+
+#define NEH_ENC_GEN     (NEH_ENCRYPT | NEH_GEN_KEY)
+#define NEH_DEC_GEN     (NEH_DECRYPT | NEH_GEN_KEY)
+#define NEH_ENC_LOAD    (NEH_ENCRYPT | NEH_LOAD_KEY)
+#define NEH_DEC_LOAD    (NEH_DECRYPT | NEH_LOAD_KEY)
+
+#define NEH_ENC_GEN_DATA {\
+    NEH_ENC_GEN | NEH_KEY128, 0, 0, 0,\
+    NEH_ENC_GEN | NEH_KEY192, 0, 0, 0,\
+    NEH_ENC_GEN | NEH_KEY256, 0, 0, 0 }
+
+#define NEH_ENC_LOAD_DATA {\
+    NEH_ENC_LOAD | NEH_KEY128, 0, 0, 0,\
+    NEH_ENC_LOAD | NEH_KEY192, 0, 0, 0,\
+    NEH_ENC_LOAD | NEH_KEY256, 0, 0, 0 }
+
+#define NEH_ENC_HYBRID_DATA {\
+    NEH_ENC_GEN  | NEH_KEY128, 0, 0, 0,\
+    NEH_ENC_LOAD | NEH_KEY192, 0, 0, 0,\
+    NEH_ENC_LOAD | NEH_KEY256, 0, 0, 0 }
+
+#define NEH_DEC_GEN_DATA {\
+    NEH_DEC_GEN | NEH_KEY128, 0, 0, 0,\
+    NEH_DEC_GEN | NEH_KEY192, 0, 0, 0,\
+    NEH_DEC_GEN | NEH_KEY256, 0, 0, 0 }
+
+#define NEH_DEC_LOAD_DATA {\
+    NEH_DEC_LOAD | NEH_KEY128, 0, 0, 0,\
+    NEH_DEC_LOAD | NEH_KEY192, 0, 0, 0,\
+    NEH_DEC_LOAD | NEH_KEY256, 0, 0, 0 }
+
+#define NEH_DEC_HYBRID_DATA {\
+    NEH_DEC_GEN  | NEH_KEY128, 0, 0, 0,\
+    NEH_DEC_LOAD | NEH_KEY192, 0, 0, 0,\
+    NEH_DEC_LOAD | NEH_KEY256, 0, 0, 0 }
+
+#define neh_enc_gen_key(x)  ((x) == 128 ? (NEH_ENC_GEN | NEH_KEY128) :      \
+     (x) == 192 ? (NEH_ENC_GEN | NEH_KEY192) : (NEH_ENC_GEN | NEH_KEY256))
+
+#define neh_enc_load_key(x) ((x) == 128 ? (NEH_ENC_LOAD | NEH_KEY128) :     \
+     (x) == 192 ? (NEH_ENC_LOAD | NEH_KEY192) : (NEH_ENC_LOAD | NEH_KEY256))
+
+#define neh_enc_hybrid_key(x)   ((x) == 128 ? (NEH_ENC_GEN | NEH_KEY128) :  \
+     (x) == 192 ? (NEH_ENC_LOAD | NEH_KEY192) : (NEH_ENC_LOAD | NEH_KEY256))
+
+#define neh_dec_gen_key(x)  ((x) == 128 ? (NEH_DEC_GEN | NEH_KEY128) :      \
+     (x) == 192 ? (NEH_DEC_GEN | NEH_KEY192) : (NEH_DEC_GEN | NEH_KEY256))
+
+#define neh_dec_load_key(x) ((x) == 128 ? (NEH_DEC_LOAD | NEH_KEY128) :     \
+     (x) == 192 ? (NEH_DEC_LOAD | NEH_KEY192) : (NEH_DEC_LOAD | NEH_KEY256))
+
+#define neh_dec_hybrid_key(x)   ((x) == 128 ? (NEH_DEC_GEN | NEH_KEY128) :  \
+     (x) == 192 ? (NEH_DEC_LOAD | NEH_KEY192) : (NEH_DEC_LOAD | NEH_KEY256))
+
+#if defined( _MSC_VER ) && ( _MSC_VER > 1200 )
+#define aligned_auto(type, name, no, stride)  __declspec(align(stride)) type name[no]
+#else
+#define aligned_auto(type, name, no, stride)                \
+    unsigned char _##name[no * sizeof(type) + stride];      \
+    type *name = (type*)(16 * ((((unsigned long)(_##name)) + stride - 1) / stride))
+#endif
+
+#if defined( _MSC_VER ) && ( _MSC_VER > 1200 )
+#define aligned_array(type, name, no, stride) __declspec(align(stride)) type name[no]
+#elif defined( __GNUC__ )
+#define aligned_array(type, name, no, stride) type name[no] __attribute__ ((aligned(stride)))
+#else
+#define aligned_array(type, name, no, stride) type name[no]
+#endif
+
+/* VIA ACE codeword     */
+
+static unsigned char via_flags = 0;
+
+#if defined ( _MSC_VER ) && ( _MSC_VER > 800 )
+
+#define NEH_REKEY   __asm pushfd __asm popfd
+#define NEH_AES     __asm _emit 0xf3 __asm _emit 0x0f __asm _emit 0xa7
+#define NEH_ECB     NEH_AES __asm _emit 0xc8
+#define NEH_CBC     NEH_AES __asm _emit 0xd0
+#define NEH_CFB     NEH_AES __asm _emit 0xe0
+#define NEH_OFB     NEH_AES __asm _emit 0xe8
+#define NEH_RNG     __asm _emit 0x0f __asm _emit 0xa7 __asm _emit 0xc0
+
+INLINE int has_cpuid(void)
+{   char ret_value;
+    __asm
+    {   pushfd                  /* save EFLAGS register     */
+        mov     eax,[esp]       /* copy it to eax           */
+        mov     edx,0x00200000  /* CPUID bit position       */
+        xor     eax,edx         /* toggle the CPUID bit     */
+        push    eax             /* attempt to set EFLAGS to */
+        popfd                   /*     the new value        */
+        pushfd                  /* get the new EFLAGS value */
+        pop     eax             /*     into eax             */
+        xor     eax,[esp]       /* xor with original value  */
+        and     eax,edx         /* has CPUID bit changed?   */
+        setne   al              /* set to 1 if we have been */
+        mov     ret_value,al    /*     able to change it    */
+        popfd                   /* restore original EFLAGS  */
+    }
+    return (int)ret_value;
+}
+
+INLINE int is_via_cpu(void)
+{   char ret_value;
+    __asm
+    {   push    ebx
+        xor     eax,eax         /* use CPUID to get vendor  */
+        cpuid                   /* identity string          */
+        xor     eax,eax         /* is it "CentaurHauls" ?   */
+        sub     ebx,0x746e6543  /* 'Cent'                   */
+        or      eax,ebx
+        sub     edx,0x48727561  /* 'aurH'                   */
+        or      eax,edx
+        sub     ecx,0x736c7561  /* 'auls'                   */
+        or      eax,ecx
+        sete    al              /* set to 1 if it is VIA ID */
+        mov     dl,NEH_CPU_READ /* mark CPU type as read    */
+        or      dl,al           /* & store result in flags  */
+        mov     [via_flags],dl  /* set VIA detected flag    */
+        mov     ret_value,al    /*     able to change it    */
+        pop     ebx
+    }
+    return (int)ret_value;
+}
+
+INLINE int read_via_flags(void)
+{   char ret_value = 0;
+    __asm
+    {   mov     eax,0xC0000000  /* Centaur extended CPUID   */
+        cpuid
+        mov     edx,0xc0000001  /* >= 0xc0000001 if support */
+        cmp     eax,edx         /* for VIA extended feature */
+        jnae    no_rng          /*     flags is available   */
+        mov     eax,edx         /* read Centaur extended    */
+        cpuid                   /*     feature flags        */
+        mov     eax,NEH_FLAGS_MASK  /* mask out and save    */
+        and     eax,edx         /*  the RNG and ACE flags   */
+        or      [via_flags],al  /* present & enabled flags  */
+        mov     ret_value,al    /*     able to change it    */
+no_rng:
+    }
+    return (int)ret_value;
+}
+
+INLINE unsigned int via_rng_in(void *buf)
+{   char ret_value = 0x1f;
+    __asm
+    {   push    edi
+        mov     edi,buf         /* input buffer address     */
+        xor     edx,edx         /* try to fetch 8 bytes     */
+        NEH_RNG                 /* do RNG read operation    */
+        and     ret_value,al    /* count of bytes returned  */
+        pop     edi
+    }
+    return (int)ret_value;
+}
+
+INLINE void via_ecb_op5(
+            const void *k, const void *c, const void *s, void *d, int l)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        NEH_ECB
+        pop     ebx
+    }
+}
+
+INLINE void via_cbc_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        mov     eax, (v)
+        NEH_CBC
+        pop     ebx
+    }
+}
+
+INLINE void via_cbc_op7(
+        const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        mov     eax, (v)
+        NEH_CBC
+        mov     esi, eax
+        mov     edi, (w)
+        movsd
+        movsd
+        movsd
+        movsd
+        pop     ebx
+    }
+}
+
+INLINE void via_cfb_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        mov     eax, (v)
+        NEH_CFB
+        pop     ebx
+    }
+}
+
+INLINE void via_cfb_op7(
+        const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        mov     eax, (v)
+        NEH_CFB
+        mov     esi, eax
+        mov     edi, (w)
+        movsd
+        movsd
+        movsd
+        movsd
+        pop     ebx
+    }
+}
+
+INLINE void via_ofb_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{   __asm
+    {   push    ebx
+        NEH_REKEY
+        mov     ebx, (k)
+        mov     edx, (c)
+        mov     esi, (s)
+        mov     edi, (d)
+        mov     ecx, (l)
+        mov     eax, (v)
+        NEH_OFB
+        pop     ebx
+    }
+}
+
+#elif defined( __GNUC__ )
+
+#define NEH_REKEY   asm("pushfl\n popfl\n\t")
+#define NEH_ECB     asm(".byte 0xf3, 0x0f, 0xa7, 0xc8\n\t")
+#define NEH_CBC     asm(".byte 0xf3, 0x0f, 0xa7, 0xd0\n\t")
+#define NEH_CFB     asm(".byte 0xf3, 0x0f, 0xa7, 0xe0\n\t")
+#define NEH_OFB     asm(".byte 0xf3, 0x0f, 0xa7, 0xe8\n\t")
+#define NEH_RNG     asm(".byte 0x0f, 0xa7, 0xc0\n\t");
+
+INLINE int has_cpuid(void)
+{   int val;
+    asm("pushfl\n\t");
+    asm("movl  0(%esp),%eax\n\t");
+    asm("xor   $0x00200000,%eax\n\t");
+    asm("pushl %eax\n\t");
+    asm("popfl\n\t");
+    asm("pushfl\n\t");
+    asm("popl  %eax\n\t");
+    asm("xorl  0(%esp),%edx\n\t");
+    asm("andl  $0x00200000,%eax\n\t");
+    asm("movl  %%eax,%0\n\t" : "=m" (val));
+    asm("popfl\n\t");
+    return val ? 1 : 0;
+}
+
+INLINE int is_via_cpu(void)
+{   int val;
+    asm("pushl %ebx\n\t");
+    asm("xorl %eax,%eax\n\t");
+    asm("cpuid\n\t");
+    asm("xorl %eax,%eax\n\t");
+    asm("subl $0x746e6543,%ebx\n\t");
+    asm("orl  %ebx,%eax\n\t");
+    asm("subl $0x48727561,%edx\n\t");
+    asm("orl  %edx,%eax\n\t");
+    asm("subl $0x736c7561,%ecx\n\t");
+    asm("orl  %ecx,%eax\n\t");
+    asm("movl %%eax,%0\n\t" : "=m" (val));
+    asm("popl %ebx\n\t");
+    val = (val ? 0 : 1);
+    via_flags = (val | NEH_CPU_READ);
+    return val;
+}
+
+INLINE int read_via_flags(void)
+{   unsigned char   val;
+    asm("movl $0xc0000000,%eax\n\t");
+    asm("cpuid\n\t");
+    asm("movl $0xc0000001,%edx\n\t");
+    asm("cmpl %edx,%eax\n\t");
+    asm("setae %al\n\t");
+    asm("movb %%al,%0\n\t" : "=m" (val));
+    if(!val) return 0;
+    asm("movl $0xc0000001,%eax\n\t");
+    asm("cpuid\n\t");
+    asm("movb %%dl,%0\n\t" : "=m" (val));
+    val &= NEH_FLAGS_MASK;
+    via_flags |= val;
+    return (int) val;
+}
+
+INLINE int via_rng_in(void *buf)
+{   int val;
+    asm("pushl %edi\n\t");
+    asm("movl %0,%%edi\n\t" : : "m" (buf));
+    asm("xorl %edx,%edx\n\t");
+    NEH_RNG
+    asm("andl $0x0000001f,%eax\n\t");
+    asm("movl %%eax,%0\n\t" : "=m" (val));
+    asm("popl %edi\n\t");
+    return val;
+}
+
+INLINE volatile  void via_ecb_op5(
+            const void *k, const void *c, const void *s, void *d, int l)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    NEH_ECB;
+    asm("popl %ebx\n\t");
+}
+
+INLINE volatile  void via_cbc_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    asm("movl %0, %%eax\n\t" : : "m" (v));
+    NEH_CBC;
+    asm("popl %ebx\n\t");
+}
+
+INLINE volatile  void via_cbc_op7(
+        const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    asm("movl %0, %%eax\n\t" : : "m" (v));
+    NEH_CBC;
+    asm("movl %eax,%esi\n\t");
+    asm("movl %0, %%edi\n\t" : : "m" (w));
+    asm("movsl; movsl; movsl; movsl\n\t");
+    asm("popl %ebx\n\t");
+}
+
+INLINE volatile  void via_cfb_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    asm("movl %0, %%eax\n\t" : : "m" (v));
+    NEH_CFB;
+    asm("popl %ebx\n\t");
+}
+
+INLINE volatile  void via_cfb_op7(
+        const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    asm("movl %0, %%eax\n\t" : : "m" (v));
+    NEH_CFB;
+    asm("movl %eax,%esi\n\t");
+    asm("movl %0, %%edi\n\t" : : "m" (w));
+    asm("movsl; movsl; movsl; movsl\n\t");
+    asm("popl %ebx\n\t");
+}
+
+INLINE volatile  void via_ofb_op6(
+            const void *k, const void *c, const void *s, void *d, int l, void *v)
+{
+    asm("pushl %ebx\n\t");
+    NEH_REKEY;
+    asm("movl %0, %%ebx\n\t" : : "m" (k));
+    asm("movl %0, %%edx\n\t" : : "m" (c));
+    asm("movl %0, %%esi\n\t" : : "m" (s));
+    asm("movl %0, %%edi\n\t" : : "m" (d));
+    asm("movl %0, %%ecx\n\t" : : "m" (l));
+    asm("movl %0, %%eax\n\t" : : "m" (v));
+    NEH_OFB;
+    asm("popl %ebx\n\t");
+}
+
+#else
+#error VIA ACE is not available with this compiler
+#endif
+
+INLINE int via_ace_test(void)
+{
+    return has_cpuid() && is_via_cpu() && ((read_via_flags() & NEH_ACE_FLAGS) == NEH_ACE_FLAGS);
+}
+
+#define VIA_ACE_AVAILABLE   (((via_flags & NEH_ACE_FLAGS) == NEH_ACE_FLAGS)         \
+    || (via_flags & NEH_CPU_READ) && (via_flags & NEH_CPU_IS_VIA) || via_ace_test())
+
+INLINE int via_rng_test(void)
+{
+    return has_cpuid() && is_via_cpu() && ((read_via_flags() & NEH_RNG_FLAGS) == NEH_RNG_FLAGS);
+}
+
+#define VIA_RNG_AVAILABLE   (((via_flags & NEH_RNG_FLAGS) == NEH_RNG_FLAGS)         \
+    || (via_flags & NEH_CPU_READ) && (via_flags & NEH_CPU_IS_VIA) || via_rng_test())
+
+INLINE int read_via_rng(void *buf, int count)
+{   int nbr, max_reads, lcnt = count;
+    unsigned char *p, *q;
+    aligned_auto(unsigned char, bp, 64, 16);
+
+    if(!VIA_RNG_AVAILABLE)
+        return 0;
+
+    do
+    {
+        max_reads = MAX_READ_ATTEMPTS;
+        do
+            nbr = via_rng_in(bp);
+        while
+            (nbr == 0 && --max_reads);
+
+        lcnt -= nbr;
+        p = (unsigned char*)buf; q = bp;
+        while(nbr--)
+            *p++ = *q++;
+    }
+    while
+        (lcnt && max_reads);
+
+    return count - lcnt;
+}
+
+#endif

SSZipArchive/aes/aescrypt.c

@@ -0,0 +1,294 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#include "aesopt.h"
+#include "aestab.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#define si(y,x,k,c) (s(y,c) = word_in(x, c) ^ (k)[c])
+#define so(y,x,c)   word_out(y, c, s(x,c))
+
+#if defined(ARRAYS)
+#define locals(y,x)     x[4],y[4]
+#else
+#define locals(y,x)     x##0,x##1,x##2,x##3,y##0,y##1,y##2,y##3
+#endif
+
+#define l_copy(y, x)    s(y,0) = s(x,0); s(y,1) = s(x,1); \
+                        s(y,2) = s(x,2); s(y,3) = s(x,3);
+#define state_in(y,x,k) si(y,x,k,0); si(y,x,k,1); si(y,x,k,2); si(y,x,k,3)
+#define state_out(y,x)  so(y,x,0); so(y,x,1); so(y,x,2); so(y,x,3)
+#define round(rm,y,x,k) rm(y,x,k,0); rm(y,x,k,1); rm(y,x,k,2); rm(y,x,k,3)
+
+#if ( FUNCS_IN_C & ENCRYPTION_IN_C )
+
+/* Visual C++ .Net v7.1 provides the fastest encryption code when using
+   Pentium optimiation with small code but this is poor for decryption
+   so we need to control this with the following VC++ pragmas
+*/
+
+#if defined( _MSC_VER ) && !defined( _WIN64 )
+#pragma optimize( "s", on )
+#endif
+
+/* Given the column (c) of the output state variable, the following
+   macros give the input state variables which are needed in its
+   computation for each row (r) of the state. All the alternative
+   macros give the same end values but expand into different ways
+   of calculating these values.  In particular the complex macro
+   used for dynamically variable block sizes is designed to expand
+   to a compile time constant whenever possible but will expand to
+   conditional clauses on some branches (I am grateful to Frank
+   Yellin for this construction)
+*/
+
+#define fwd_var(x,r,c)\
+ ( r == 0 ? ( c == 0 ? s(x,0) : c == 1 ? s(x,1) : c == 2 ? s(x,2) : s(x,3))\
+ : r == 1 ? ( c == 0 ? s(x,1) : c == 1 ? s(x,2) : c == 2 ? s(x,3) : s(x,0))\
+ : r == 2 ? ( c == 0 ? s(x,2) : c == 1 ? s(x,3) : c == 2 ? s(x,0) : s(x,1))\
+ :          ( c == 0 ? s(x,3) : c == 1 ? s(x,0) : c == 2 ? s(x,1) : s(x,2)))
+
+#if defined(FT4_SET)
+#undef  dec_fmvars
+#define fwd_rnd(y,x,k,c)    (s(y,c) = (k)[c] ^ four_tables(x,t_use(f,n),fwd_var,rf1,c))
+#elif defined(FT1_SET)
+#undef  dec_fmvars
+#define fwd_rnd(y,x,k,c)    (s(y,c) = (k)[c] ^ one_table(x,upr,t_use(f,n),fwd_var,rf1,c))
+#else
+#define fwd_rnd(y,x,k,c)    (s(y,c) = (k)[c] ^ fwd_mcol(no_table(x,t_use(s,box),fwd_var,rf1,c)))
+#endif
+
+#if defined(FL4_SET)
+#define fwd_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ four_tables(x,t_use(f,l),fwd_var,rf1,c))
+#elif defined(FL1_SET)
+#define fwd_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ one_table(x,ups,t_use(f,l),fwd_var,rf1,c))
+#else
+#define fwd_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ no_table(x,t_use(s,box),fwd_var,rf1,c))
+#endif
+
+AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1])
+{   uint_32t         locals(b0, b1);
+    const uint_32t   *kp;
+#if defined( dec_fmvars )
+    dec_fmvars; /* declare variables for fwd_mcol() if needed */
+#endif
+
+    if( cx->inf.b[0] != 10 * 16 && cx->inf.b[0] != 12 * 16 && cx->inf.b[0] != 14 * 16 )
+        return EXIT_FAILURE;
+
+    kp = cx->ks;
+    state_in(b0, in, kp);
+
+#if (ENC_UNROLL == FULL)
+
+    switch(cx->inf.b[0])
+    {
+    case 14 * 16:
+        round(fwd_rnd,  b1, b0, kp + 1 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 2 * N_COLS);
+        kp += 2 * N_COLS;
+    case 12 * 16:
+        round(fwd_rnd,  b1, b0, kp + 1 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 2 * N_COLS);
+        kp += 2 * N_COLS;
+    case 10 * 16:
+        round(fwd_rnd,  b1, b0, kp + 1 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 2 * N_COLS);
+        round(fwd_rnd,  b1, b0, kp + 3 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 4 * N_COLS);
+        round(fwd_rnd,  b1, b0, kp + 5 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 6 * N_COLS);
+        round(fwd_rnd,  b1, b0, kp + 7 * N_COLS);
+        round(fwd_rnd,  b0, b1, kp + 8 * N_COLS);
+        round(fwd_rnd,  b1, b0, kp + 9 * N_COLS);
+        round(fwd_lrnd, b0, b1, kp +10 * N_COLS);
+    }
+
+#else
+
+#if (ENC_UNROLL == PARTIAL)
+    {   uint_32t    rnd;
+        for(rnd = 0; rnd < (cx->inf.b[0] >> 5) - 1; ++rnd)
+        {
+            kp += N_COLS;
+            round(fwd_rnd, b1, b0, kp);
+            kp += N_COLS;
+            round(fwd_rnd, b0, b1, kp);
+        }
+        kp += N_COLS;
+        round(fwd_rnd,  b1, b0, kp);
+#else
+    {   uint_32t    rnd;
+        for(rnd = 0; rnd < (cx->inf.b[0] >> 4) - 1; ++rnd)
+        {
+            kp += N_COLS;
+            round(fwd_rnd, b1, b0, kp);
+            l_copy(b0, b1);
+        }
+#endif
+        kp += N_COLS;
+        round(fwd_lrnd, b0, b1, kp);
+    }
+#endif
+
+    state_out(out, b0);
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if ( FUNCS_IN_C & DECRYPTION_IN_C)
+
+/* Visual C++ .Net v7.1 provides the fastest encryption code when using
+   Pentium optimiation with small code but this is poor for decryption
+   so we need to control this with the following VC++ pragmas
+*/
+
+#if defined( _MSC_VER ) && !defined( _WIN64 )
+#pragma optimize( "t", on )
+#endif
+
+/* Given the column (c) of the output state variable, the following
+   macros give the input state variables which are needed in its
+   computation for each row (r) of the state. All the alternative
+   macros give the same end values but expand into different ways
+   of calculating these values.  In particular the complex macro
+   used for dynamically variable block sizes is designed to expand
+   to a compile time constant whenever possible but will expand to
+   conditional clauses on some branches (I am grateful to Frank
+   Yellin for this construction)
+*/
+
+#define inv_var(x,r,c)\
+ ( r == 0 ? ( c == 0 ? s(x,0) : c == 1 ? s(x,1) : c == 2 ? s(x,2) : s(x,3))\
+ : r == 1 ? ( c == 0 ? s(x,3) : c == 1 ? s(x,0) : c == 2 ? s(x,1) : s(x,2))\
+ : r == 2 ? ( c == 0 ? s(x,2) : c == 1 ? s(x,3) : c == 2 ? s(x,0) : s(x,1))\
+ :          ( c == 0 ? s(x,1) : c == 1 ? s(x,2) : c == 2 ? s(x,3) : s(x,0)))
+
+#if defined(IT4_SET)
+#undef  dec_imvars
+#define inv_rnd(y,x,k,c)    (s(y,c) = (k)[c] ^ four_tables(x,t_use(i,n),inv_var,rf1,c))
+#elif defined(IT1_SET)
+#undef  dec_imvars
+#define inv_rnd(y,x,k,c)    (s(y,c) = (k)[c] ^ one_table(x,upr,t_use(i,n),inv_var,rf1,c))
+#else
+#define inv_rnd(y,x,k,c)    (s(y,c) = inv_mcol((k)[c] ^ no_table(x,t_use(i,box),inv_var,rf1,c)))
+#endif
+
+#if defined(IL4_SET)
+#define inv_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ four_tables(x,t_use(i,l),inv_var,rf1,c))
+#elif defined(IL1_SET)
+#define inv_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ one_table(x,ups,t_use(i,l),inv_var,rf1,c))
+#else
+#define inv_lrnd(y,x,k,c)   (s(y,c) = (k)[c] ^ no_table(x,t_use(i,box),inv_var,rf1,c))
+#endif
+
+/* This code can work with the decryption key schedule in the   */
+/* order that is used for encrytpion (where the 1st decryption  */
+/* round key is at the high end ot the schedule) or with a key  */
+/* schedule that has been reversed to put the 1st decryption    */
+/* round key at the low end of the schedule in memory (when     */
+/* AES_REV_DKS is defined)                                      */
+
+#ifdef AES_REV_DKS
+#define key_ofs     0
+#define rnd_key(n)  (kp + n * N_COLS)
+#else
+#define key_ofs     1
+#define rnd_key(n)  (kp - n * N_COLS)
+#endif
+
+AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1])
+{   uint_32t        locals(b0, b1);
+#if defined( dec_imvars )
+    dec_imvars; /* declare variables for inv_mcol() if needed */
+#endif
+    const uint_32t *kp;
+
+    if( cx->inf.b[0] != 10 * 16 && cx->inf.b[0] != 12 * 16 && cx->inf.b[0] != 14 * 16 )
+        return EXIT_FAILURE;
+
+    kp = cx->ks + (key_ofs ? (cx->inf.b[0] >> 2) : 0);
+    state_in(b0, in, kp);
+
+#if (DEC_UNROLL == FULL)
+
+    kp = cx->ks + (key_ofs ? 0 : (cx->inf.b[0] >> 2));
+    switch(cx->inf.b[0])
+    {
+    case 14 * 16:
+        round(inv_rnd,  b1, b0, rnd_key(-13));
+        round(inv_rnd,  b0, b1, rnd_key(-12));
+    case 12 * 16:
+        round(inv_rnd,  b1, b0, rnd_key(-11));
+        round(inv_rnd,  b0, b1, rnd_key(-10));
+    case 10 * 16:
+        round(inv_rnd,  b1, b0, rnd_key(-9));
+        round(inv_rnd,  b0, b1, rnd_key(-8));
+        round(inv_rnd,  b1, b0, rnd_key(-7));
+        round(inv_rnd,  b0, b1, rnd_key(-6));
+        round(inv_rnd,  b1, b0, rnd_key(-5));
+        round(inv_rnd,  b0, b1, rnd_key(-4));
+        round(inv_rnd,  b1, b0, rnd_key(-3));
+        round(inv_rnd,  b0, b1, rnd_key(-2));
+        round(inv_rnd,  b1, b0, rnd_key(-1));
+        round(inv_lrnd, b0, b1, rnd_key( 0));
+    }
+
+#else
+
+#if (DEC_UNROLL == PARTIAL)
+    {   uint_32t    rnd;
+        for(rnd = 0; rnd < (cx->inf.b[0] >> 5) - 1; ++rnd)
+        {
+            kp = rnd_key(1);
+            round(inv_rnd, b1, b0, kp);
+            kp = rnd_key(1);
+            round(inv_rnd, b0, b1, kp);
+        }
+        kp = rnd_key(1);
+        round(inv_rnd, b1, b0, kp);
+#else
+    {   uint_32t    rnd;
+        for(rnd = 0; rnd < (cx->inf.b[0] >> 4) - 1; ++rnd)
+        {
+            kp = rnd_key(1);
+            round(inv_rnd, b1, b0, kp);
+            l_copy(b0, b1);
+        }
+#endif
+        kp = rnd_key(1);
+        round(inv_lrnd, b0, b1, kp);
+        }
+#endif
+
+    state_out(out, b0);
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/aeskey.c

@@ -0,0 +1,548 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#include "aesopt.h"
+#include "aestab.h"
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+#  include "aes_via_ace.h"
+#endif
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* Initialise the key schedule from the user supplied key. The key
+   length can be specified in bytes, with legal values of 16, 24
+   and 32, or in bits, with legal values of 128, 192 and 256. These
+   values correspond with Nk values of 4, 6 and 8 respectively.
+
+   The following macros implement a single cycle in the key
+   schedule generation process. The number of cycles needed
+   for each cx->n_col and nk value is:
+
+    nk =             4  5  6  7  8
+    ------------------------------
+    cx->n_col = 4   10  9  8  7  7
+    cx->n_col = 5   14 11 10  9  9
+    cx->n_col = 6   19 15 12 11 11
+    cx->n_col = 7   21 19 16 13 14
+    cx->n_col = 8   29 23 19 17 14
+*/
+
+#if defined( REDUCE_CODE_SIZE )
+#  define ls_box ls_sub
+   uint_32t ls_sub(const uint_32t t, const uint_32t n);
+#  define inv_mcol im_sub
+   uint_32t im_sub(const uint_32t x);
+#  ifdef ENC_KS_UNROLL
+#    undef ENC_KS_UNROLL
+#  endif
+#  ifdef DEC_KS_UNROLL
+#    undef DEC_KS_UNROLL
+#  endif
+#endif
+
+#if (FUNCS_IN_C & ENC_KEYING_IN_C)
+
+#if defined(AES_128) || defined( AES_VAR )
+
+#define ke4(k,i) \
+{   k[4*(i)+4] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; \
+    k[4*(i)+5] = ss[1] ^= ss[0]; \
+    k[4*(i)+6] = ss[2] ^= ss[1]; \
+    k[4*(i)+7] = ss[3] ^= ss[2]; \
+}
+
+AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1])
+{   uint_32t    ss[4];
+
+    cx->ks[0] = ss[0] = word_in(key, 0);
+    cx->ks[1] = ss[1] = word_in(key, 1);
+    cx->ks[2] = ss[2] = word_in(key, 2);
+    cx->ks[3] = ss[3] = word_in(key, 3);
+
+#ifdef ENC_KS_UNROLL
+    ke4(cx->ks, 0);  ke4(cx->ks, 1);
+    ke4(cx->ks, 2);  ke4(cx->ks, 3);
+    ke4(cx->ks, 4);  ke4(cx->ks, 5);
+    ke4(cx->ks, 6);  ke4(cx->ks, 7);
+    ke4(cx->ks, 8);
+#else
+    {   uint_32t i;
+        for(i = 0; i < 9; ++i)
+            ke4(cx->ks, i);
+    }
+#endif
+    ke4(cx->ks, 9);
+    cx->inf.l = 0;
+    cx->inf.b[0] = 10 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(AES_192) || defined( AES_VAR )
+
+#define kef6(k,i) \
+{   k[6*(i)+ 6] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; \
+    k[6*(i)+ 7] = ss[1] ^= ss[0]; \
+    k[6*(i)+ 8] = ss[2] ^= ss[1]; \
+    k[6*(i)+ 9] = ss[3] ^= ss[2]; \
+}
+
+#define ke6(k,i) \
+{   kef6(k,i); \
+    k[6*(i)+10] = ss[4] ^= ss[3]; \
+    k[6*(i)+11] = ss[5] ^= ss[4]; \
+}
+
+AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1])
+{   uint_32t    ss[6];
+
+    cx->ks[0] = ss[0] = word_in(key, 0);
+    cx->ks[1] = ss[1] = word_in(key, 1);
+    cx->ks[2] = ss[2] = word_in(key, 2);
+    cx->ks[3] = ss[3] = word_in(key, 3);
+    cx->ks[4] = ss[4] = word_in(key, 4);
+    cx->ks[5] = ss[5] = word_in(key, 5);
+
+#ifdef ENC_KS_UNROLL
+    ke6(cx->ks, 0);  ke6(cx->ks, 1);
+    ke6(cx->ks, 2);  ke6(cx->ks, 3);
+    ke6(cx->ks, 4);  ke6(cx->ks, 5);
+    ke6(cx->ks, 6);
+#else
+    {   uint_32t i;
+        for(i = 0; i < 7; ++i)
+            ke6(cx->ks, i);
+    }
+#endif
+    kef6(cx->ks, 7);
+    cx->inf.l = 0;
+    cx->inf.b[0] = 12 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(AES_256) || defined( AES_VAR )
+
+#define kef8(k,i) \
+{   k[8*(i)+ 8] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; \
+    k[8*(i)+ 9] = ss[1] ^= ss[0]; \
+    k[8*(i)+10] = ss[2] ^= ss[1]; \
+    k[8*(i)+11] = ss[3] ^= ss[2]; \
+}
+
+#define ke8(k,i) \
+{   kef8(k,i); \
+    k[8*(i)+12] = ss[4] ^= ls_box(ss[3],0); \
+    k[8*(i)+13] = ss[5] ^= ss[4]; \
+    k[8*(i)+14] = ss[6] ^= ss[5]; \
+    k[8*(i)+15] = ss[7] ^= ss[6]; \
+}
+
+AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1])
+{   uint_32t    ss[8];
+
+    cx->ks[0] = ss[0] = word_in(key, 0);
+    cx->ks[1] = ss[1] = word_in(key, 1);
+    cx->ks[2] = ss[2] = word_in(key, 2);
+    cx->ks[3] = ss[3] = word_in(key, 3);
+    cx->ks[4] = ss[4] = word_in(key, 4);
+    cx->ks[5] = ss[5] = word_in(key, 5);
+    cx->ks[6] = ss[6] = word_in(key, 6);
+    cx->ks[7] = ss[7] = word_in(key, 7);
+
+#ifdef ENC_KS_UNROLL
+    ke8(cx->ks, 0); ke8(cx->ks, 1);
+    ke8(cx->ks, 2); ke8(cx->ks, 3);
+    ke8(cx->ks, 4); ke8(cx->ks, 5);
+#else
+    {   uint_32t i;
+        for(i = 0; i < 6; ++i)
+            ke8(cx->ks,  i);
+    }
+#endif
+    kef8(cx->ks, 6);
+    cx->inf.l = 0;
+    cx->inf.b[0] = 14 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined( AES_VAR )
+
+AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1])
+{   
+    switch(key_len)
+    {
+    case 16: case 128: return aes_encrypt_key128(key, cx);
+    case 24: case 192: return aes_encrypt_key192(key, cx);
+    case 32: case 256: return aes_encrypt_key256(key, cx);
+    default: return EXIT_FAILURE;
+    }
+}
+
+#endif
+
+#endif
+
+#if (FUNCS_IN_C & DEC_KEYING_IN_C)
+
+/* this is used to store the decryption round keys  */
+/* in forward or reverse order                      */
+
+#ifdef AES_REV_DKS
+#define v(n,i)  ((n) - (i) + 2 * ((i) & 3))
+#else
+#define v(n,i)  (i)
+#endif
+
+#if DEC_ROUND == NO_TABLES
+#define ff(x)   (x)
+#else
+#define ff(x)   inv_mcol(x)
+#if defined( dec_imvars )
+#define d_vars  dec_imvars
+#endif
+#endif
+
+#if defined(AES_128) || defined( AES_VAR )
+
+#define k4e(k,i) \
+{   k[v(40,(4*(i))+4)] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; \
+    k[v(40,(4*(i))+5)] = ss[1] ^= ss[0]; \
+    k[v(40,(4*(i))+6)] = ss[2] ^= ss[1]; \
+    k[v(40,(4*(i))+7)] = ss[3] ^= ss[2]; \
+}
+
+#if 1
+
+#define kdf4(k,i) \
+{   ss[0] = ss[0] ^ ss[2] ^ ss[1] ^ ss[3]; \
+    ss[1] = ss[1] ^ ss[3]; \
+    ss[2] = ss[2] ^ ss[3]; \
+    ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; \
+    ss[i % 4] ^= ss[4]; \
+    ss[4] ^= k[v(40,(4*(i)))];   k[v(40,(4*(i))+4)] = ff(ss[4]); \
+    ss[4] ^= k[v(40,(4*(i))+1)]; k[v(40,(4*(i))+5)] = ff(ss[4]); \
+    ss[4] ^= k[v(40,(4*(i))+2)]; k[v(40,(4*(i))+6)] = ff(ss[4]); \
+    ss[4] ^= k[v(40,(4*(i))+3)]; k[v(40,(4*(i))+7)] = ff(ss[4]); \
+}
+
+#define kd4(k,i) \
+{   ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; \
+    ss[i % 4] ^= ss[4]; ss[4] = ff(ss[4]); \
+    k[v(40,(4*(i))+4)] = ss[4] ^= k[v(40,(4*(i)))]; \
+    k[v(40,(4*(i))+5)] = ss[4] ^= k[v(40,(4*(i))+1)]; \
+    k[v(40,(4*(i))+6)] = ss[4] ^= k[v(40,(4*(i))+2)]; \
+    k[v(40,(4*(i))+7)] = ss[4] ^= k[v(40,(4*(i))+3)]; \
+}
+
+#define kdl4(k,i) \
+{   ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; ss[i % 4] ^= ss[4]; \
+    k[v(40,(4*(i))+4)] = (ss[0] ^= ss[1]) ^ ss[2] ^ ss[3]; \
+    k[v(40,(4*(i))+5)] = ss[1] ^ ss[3]; \
+    k[v(40,(4*(i))+6)] = ss[0]; \
+    k[v(40,(4*(i))+7)] = ss[1]; \
+}
+
+#else
+
+#define kdf4(k,i) \
+{   ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[v(40,(4*(i))+ 4)] = ff(ss[0]); \
+    ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ff(ss[1]); \
+    ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ff(ss[2]); \
+    ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ff(ss[3]); \
+}
+
+#define kd4(k,i) \
+{   ss[4] = ls_box(ss[3],3) ^ t_use(r,c)[i]; \
+    ss[0] ^= ss[4]; ss[4] = ff(ss[4]); k[v(40,(4*(i))+ 4)] = ss[4] ^= k[v(40,(4*(i)))]; \
+    ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ss[4] ^= k[v(40,(4*(i))+ 1)]; \
+    ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ss[4] ^= k[v(40,(4*(i))+ 2)]; \
+    ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ss[4] ^= k[v(40,(4*(i))+ 3)]; \
+}
+
+#define kdl4(k,i) \
+{   ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[v(40,(4*(i))+ 4)] = ss[0]; \
+    ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ss[1]; \
+    ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ss[2]; \
+    ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ss[3]; \
+}
+
+#endif
+
+AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1])
+{   uint_32t    ss[5];
+#if defined( d_vars )
+        d_vars;
+#endif
+    cx->ks[v(40,(0))] = ss[0] = word_in(key, 0);
+    cx->ks[v(40,(1))] = ss[1] = word_in(key, 1);
+    cx->ks[v(40,(2))] = ss[2] = word_in(key, 2);
+    cx->ks[v(40,(3))] = ss[3] = word_in(key, 3);
+
+#ifdef DEC_KS_UNROLL
+     kdf4(cx->ks, 0); kd4(cx->ks, 1);
+     kd4(cx->ks, 2);  kd4(cx->ks, 3);
+     kd4(cx->ks, 4);  kd4(cx->ks, 5);
+     kd4(cx->ks, 6);  kd4(cx->ks, 7);
+     kd4(cx->ks, 8);  kdl4(cx->ks, 9);
+#else
+    {   uint_32t i;
+        for(i = 0; i < 10; ++i)
+            k4e(cx->ks, i);
+#if !(DEC_ROUND == NO_TABLES)
+        for(i = N_COLS; i < 10 * N_COLS; ++i)
+            cx->ks[i] = inv_mcol(cx->ks[i]);
+#endif
+    }
+#endif
+    cx->inf.l = 0;
+    cx->inf.b[0] = 10 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(AES_192) || defined( AES_VAR )
+
+#define k6ef(k,i) \
+{   k[v(48,(6*(i))+ 6)] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; \
+    k[v(48,(6*(i))+ 7)] = ss[1] ^= ss[0]; \
+    k[v(48,(6*(i))+ 8)] = ss[2] ^= ss[1]; \
+    k[v(48,(6*(i))+ 9)] = ss[3] ^= ss[2]; \
+}
+
+#define k6e(k,i) \
+{   k6ef(k,i); \
+    k[v(48,(6*(i))+10)] = ss[4] ^= ss[3]; \
+    k[v(48,(6*(i))+11)] = ss[5] ^= ss[4]; \
+}
+
+#define kdf6(k,i) \
+{   ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[v(48,(6*(i))+ 6)] = ff(ss[0]); \
+    ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ff(ss[1]); \
+    ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ff(ss[2]); \
+    ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ff(ss[3]); \
+    ss[4] ^= ss[3]; k[v(48,(6*(i))+10)] = ff(ss[4]); \
+    ss[5] ^= ss[4]; k[v(48,(6*(i))+11)] = ff(ss[5]); \
+}
+
+#define kd6(k,i) \
+{   ss[6] = ls_box(ss[5],3) ^ t_use(r,c)[i]; \
+    ss[0] ^= ss[6]; ss[6] = ff(ss[6]); k[v(48,(6*(i))+ 6)] = ss[6] ^= k[v(48,(6*(i)))]; \
+    ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ss[6] ^= k[v(48,(6*(i))+ 1)]; \
+    ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ss[6] ^= k[v(48,(6*(i))+ 2)]; \
+    ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ss[6] ^= k[v(48,(6*(i))+ 3)]; \
+    ss[4] ^= ss[3]; k[v(48,(6*(i))+10)] = ss[6] ^= k[v(48,(6*(i))+ 4)]; \
+    ss[5] ^= ss[4]; k[v(48,(6*(i))+11)] = ss[6] ^= k[v(48,(6*(i))+ 5)]; \
+}
+
+#define kdl6(k,i) \
+{   ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[v(48,(6*(i))+ 6)] = ss[0]; \
+    ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ss[1]; \
+    ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ss[2]; \
+    ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ss[3]; \
+}
+
+AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1])
+{   uint_32t    ss[7];
+#if defined( d_vars )
+        d_vars;
+#endif
+    cx->ks[v(48,(0))] = ss[0] = word_in(key, 0);
+    cx->ks[v(48,(1))] = ss[1] = word_in(key, 1);
+    cx->ks[v(48,(2))] = ss[2] = word_in(key, 2);
+    cx->ks[v(48,(3))] = ss[3] = word_in(key, 3);
+
+#ifdef DEC_KS_UNROLL
+    cx->ks[v(48,(4))] = ff(ss[4] = word_in(key, 4));
+    cx->ks[v(48,(5))] = ff(ss[5] = word_in(key, 5));
+    kdf6(cx->ks, 0); kd6(cx->ks, 1);
+    kd6(cx->ks, 2);  kd6(cx->ks, 3);
+    kd6(cx->ks, 4);  kd6(cx->ks, 5);
+    kd6(cx->ks, 6);  kdl6(cx->ks, 7);
+#else
+    cx->ks[v(48,(4))] = ss[4] = word_in(key, 4);
+    cx->ks[v(48,(5))] = ss[5] = word_in(key, 5);
+    {   uint_32t i;
+
+        for(i = 0; i < 7; ++i)
+            k6e(cx->ks, i);
+        k6ef(cx->ks, 7);
+#if !(DEC_ROUND == NO_TABLES)
+        for(i = N_COLS; i < 12 * N_COLS; ++i)
+            cx->ks[i] = inv_mcol(cx->ks[i]);
+#endif
+    }
+#endif
+    cx->inf.l = 0;
+    cx->inf.b[0] = 12 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(AES_256) || defined( AES_VAR )
+
+#define k8ef(k,i) \
+{   k[v(56,(8*(i))+ 8)] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; \
+    k[v(56,(8*(i))+ 9)] = ss[1] ^= ss[0]; \
+    k[v(56,(8*(i))+10)] = ss[2] ^= ss[1]; \
+    k[v(56,(8*(i))+11)] = ss[3] ^= ss[2]; \
+}
+
+#define k8e(k,i) \
+{   k8ef(k,i); \
+    k[v(56,(8*(i))+12)] = ss[4] ^= ls_box(ss[3],0); \
+    k[v(56,(8*(i))+13)] = ss[5] ^= ss[4]; \
+    k[v(56,(8*(i))+14)] = ss[6] ^= ss[5]; \
+    k[v(56,(8*(i))+15)] = ss[7] ^= ss[6]; \
+}
+
+#define kdf8(k,i) \
+{   ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[v(56,(8*(i))+ 8)] = ff(ss[0]); \
+    ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ff(ss[1]); \
+    ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ff(ss[2]); \
+    ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ff(ss[3]); \
+    ss[4] ^= ls_box(ss[3],0); k[v(56,(8*(i))+12)] = ff(ss[4]); \
+    ss[5] ^= ss[4]; k[v(56,(8*(i))+13)] = ff(ss[5]); \
+    ss[6] ^= ss[5]; k[v(56,(8*(i))+14)] = ff(ss[6]); \
+    ss[7] ^= ss[6]; k[v(56,(8*(i))+15)] = ff(ss[7]); \
+}
+
+#define kd8(k,i) \
+{   ss[8] = ls_box(ss[7],3) ^ t_use(r,c)[i]; \
+    ss[0] ^= ss[8]; ss[8] = ff(ss[8]); k[v(56,(8*(i))+ 8)] = ss[8] ^= k[v(56,(8*(i)))]; \
+    ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ss[8] ^= k[v(56,(8*(i))+ 1)]; \
+    ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ss[8] ^= k[v(56,(8*(i))+ 2)]; \
+    ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ss[8] ^= k[v(56,(8*(i))+ 3)]; \
+    ss[8] = ls_box(ss[3],0); \
+    ss[4] ^= ss[8]; ss[8] = ff(ss[8]); k[v(56,(8*(i))+12)] = ss[8] ^= k[v(56,(8*(i))+ 4)]; \
+    ss[5] ^= ss[4]; k[v(56,(8*(i))+13)] = ss[8] ^= k[v(56,(8*(i))+ 5)]; \
+    ss[6] ^= ss[5]; k[v(56,(8*(i))+14)] = ss[8] ^= k[v(56,(8*(i))+ 6)]; \
+    ss[7] ^= ss[6]; k[v(56,(8*(i))+15)] = ss[8] ^= k[v(56,(8*(i))+ 7)]; \
+}
+
+#define kdl8(k,i) \
+{   ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[v(56,(8*(i))+ 8)] = ss[0]; \
+    ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ss[1]; \
+    ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ss[2]; \
+    ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ss[3]; \
+}
+
+AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1])
+{   uint_32t    ss[9];
+#if defined( d_vars )
+        d_vars;
+#endif
+    cx->ks[v(56,(0))] = ss[0] = word_in(key, 0);
+    cx->ks[v(56,(1))] = ss[1] = word_in(key, 1);
+    cx->ks[v(56,(2))] = ss[2] = word_in(key, 2);
+    cx->ks[v(56,(3))] = ss[3] = word_in(key, 3);
+
+#ifdef DEC_KS_UNROLL
+    cx->ks[v(56,(4))] = ff(ss[4] = word_in(key, 4));
+    cx->ks[v(56,(5))] = ff(ss[5] = word_in(key, 5));
+    cx->ks[v(56,(6))] = ff(ss[6] = word_in(key, 6));
+    cx->ks[v(56,(7))] = ff(ss[7] = word_in(key, 7));
+    kdf8(cx->ks, 0); kd8(cx->ks, 1);
+    kd8(cx->ks, 2);  kd8(cx->ks, 3);
+    kd8(cx->ks, 4);  kd8(cx->ks, 5);
+    kdl8(cx->ks, 6);
+#else
+    cx->ks[v(56,(4))] = ss[4] = word_in(key, 4);
+    cx->ks[v(56,(5))] = ss[5] = word_in(key, 5);
+    cx->ks[v(56,(6))] = ss[6] = word_in(key, 6);
+    cx->ks[v(56,(7))] = ss[7] = word_in(key, 7);
+    {   uint_32t i;
+
+        for(i = 0; i < 6; ++i)
+            k8e(cx->ks,  i);
+        k8ef(cx->ks,  6);
+#if !(DEC_ROUND == NO_TABLES)
+        for(i = N_COLS; i < 14 * N_COLS; ++i)
+            cx->ks[i] = inv_mcol(cx->ks[i]);
+#endif
+    }
+#endif
+    cx->inf.l = 0;
+    cx->inf.b[0] = 14 * 16;
+
+#ifdef USE_VIA_ACE_IF_PRESENT
+    if(VIA_ACE_AVAILABLE)
+        cx->inf.b[1] = 0xff;
+#endif
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined( AES_VAR )
+
+AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1])
+{
+    switch(key_len)
+    {
+    case 16: case 128: return aes_decrypt_key128(key, cx);
+    case 24: case 192: return aes_decrypt_key192(key, cx);
+    case 32: case 256: return aes_decrypt_key256(key, cx);
+    default: return EXIT_FAILURE;
+    }
+}
+
+#endif
+
+#endif
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/aesopt.h

@@ -0,0 +1,739 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+
+ This file contains the compilation options for AES (Rijndael) and code
+ that is common across encryption, key scheduling and table generation.
+
+ OPERATION
+
+ These source code files implement the AES algorithm Rijndael designed by
+ Joan Daemen and Vincent Rijmen. This version is designed for the standard
+ block size of 16 bytes and for key sizes of 128, 192 and 256 bits (16, 24
+ and 32 bytes).
+
+ This version is designed for flexibility and speed using operations on
+ 32-bit words rather than operations on bytes.  It can be compiled with
+ either big or little endian internal byte order but is faster when the
+ native byte order for the processor is used.
+
+ THE CIPHER INTERFACE
+
+ The cipher interface is implemented as an array of bytes in which lower
+ AES bit sequence indexes map to higher numeric significance within bytes.
+
+  uint_8t                 (an unsigned  8-bit type)
+  uint_32t                (an unsigned 32-bit type)
+  struct aes_encrypt_ctx  (structure for the cipher encryption context)
+  struct aes_decrypt_ctx  (structure for the cipher decryption context)
+  AES_RETURN                the function return type
+
+  C subroutine calls:
+
+  AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
+  AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1]);
+  AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
+  AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out,
+                                                  const aes_encrypt_ctx cx[1]);
+
+  AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
+  AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1]);
+  AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
+  AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out,
+                                                  const aes_decrypt_ctx cx[1]);
+
+ IMPORTANT NOTE: If you are using this C interface with dynamic tables make sure that
+ you call aes_init() before AES is used so that the tables are initialised.
+
+ C++ aes class subroutines:
+
+     Class AESencrypt  for encryption
+
+      Construtors:
+          AESencrypt(void)
+          AESencrypt(const unsigned char *key) - 128 bit key
+      Members:
+          AES_RETURN key128(const unsigned char *key)
+          AES_RETURN key192(const unsigned char *key)
+          AES_RETURN key256(const unsigned char *key)
+          AES_RETURN encrypt(const unsigned char *in, unsigned char *out) const
+
+      Class AESdecrypt  for encryption
+      Construtors:
+          AESdecrypt(void)
+          AESdecrypt(const unsigned char *key) - 128 bit key
+      Members:
+          AES_RETURN key128(const unsigned char *key)
+          AES_RETURN key192(const unsigned char *key)
+          AES_RETURN key256(const unsigned char *key)
+          AES_RETURN decrypt(const unsigned char *in, unsigned char *out) const
+*/
+
+#if !defined( _AESOPT_H )
+#define _AESOPT_H
+
+#if defined( __cplusplus )
+#include "aescpp.h"
+#else
+#include "aes.h"
+#endif
+
+/*  PLATFORM SPECIFIC INCLUDES */
+
+#include "brg_endian.h"
+
+/*  CONFIGURATION - THE USE OF DEFINES
+
+    Later in this section there are a number of defines that control the
+    operation of the code.  In each section, the purpose of each define is
+    explained so that the relevant form can be included or excluded by
+    setting either 1's or 0's respectively on the branches of the related
+    #if clauses.  The following local defines should not be changed.
+*/
+
+#define ENCRYPTION_IN_C     1
+#define DECRYPTION_IN_C     2
+#define ENC_KEYING_IN_C     4
+#define DEC_KEYING_IN_C     8
+
+#define NO_TABLES           0
+#define ONE_TABLE           1
+#define FOUR_TABLES         4
+#define NONE                0
+#define PARTIAL             1
+#define FULL                2
+
+/*  --- START OF USER CONFIGURED OPTIONS --- */
+
+/*  1. BYTE ORDER WITHIN 32 BIT WORDS
+
+    The fundamental data processing units in Rijndael are 8-bit bytes. The
+    input, output and key input are all enumerated arrays of bytes in which
+    bytes are numbered starting at zero and increasing to one less than the
+    number of bytes in the array in question. This enumeration is only used
+    for naming bytes and does not imply any adjacency or order relationship
+    from one byte to another. When these inputs and outputs are considered
+    as bit sequences, bits 8*n to 8*n+7 of the bit sequence are mapped to
+    byte[n] with bit 8n+i in the sequence mapped to bit 7-i within the byte.
+    In this implementation bits are numbered from 0 to 7 starting at the
+    numerically least significant end of each byte (bit n represents 2^n).
+
+    However, Rijndael can be implemented more efficiently using 32-bit
+    words by packing bytes into words so that bytes 4*n to 4*n+3 are placed
+    into word[n]. While in principle these bytes can be assembled into words
+    in any positions, this implementation only supports the two formats in
+    which bytes in adjacent positions within words also have adjacent byte
+    numbers. This order is called big-endian if the lowest numbered bytes
+    in words have the highest numeric significance and little-endian if the
+    opposite applies.
+
+    This code can work in either order irrespective of the order used by the
+    machine on which it runs. Normally the internal byte order will be set
+    to the order of the processor on which the code is to be run but this
+    define can be used to reverse this in special situations
+
+    WARNING: Assembler code versions rely on PLATFORM_BYTE_ORDER being set.
+    This define will hence be redefined later (in section 4) if necessary
+*/
+
+#if 1
+#  define ALGORITHM_BYTE_ORDER PLATFORM_BYTE_ORDER
+#elif 0
+#  define ALGORITHM_BYTE_ORDER IS_LITTLE_ENDIAN
+#elif 0
+#  define ALGORITHM_BYTE_ORDER IS_BIG_ENDIAN
+#else
+#  error The algorithm byte order is not defined
+#endif
+
+/*  2. VIA ACE SUPPORT */
+
+#if !defined(__APPLE__) && defined( __GNUC__ ) && defined( __i386__ ) \
+ || defined( _WIN32   ) && defined( _M_IX86  ) \
+ && !(defined( _WIN64 ) || defined( _WIN32_WCE ) || defined( _MSC_VER ) && ( _MSC_VER <= 800 ))
+#  define VIA_ACE_POSSIBLE
+#endif
+
+/*  Define this option if support for the VIA ACE is required. This uses
+    inline assembler instructions and is only implemented for the Microsoft,
+    Intel and GCC compilers.  If VIA ACE is known to be present, then defining
+    ASSUME_VIA_ACE_PRESENT will remove the ordinary encryption/decryption
+    code.  If USE_VIA_ACE_IF_PRESENT is defined then VIA ACE will be used if
+    it is detected (both present and enabled) but the normal AES code will
+    also be present.
+
+    When VIA ACE is to be used, all AES encryption contexts MUST be 16 byte
+    aligned; other input/output buffers do not need to be 16 byte aligned
+    but there are very large performance gains if this can be arranged.
+    VIA ACE also requires the decryption key schedule to be in reverse
+    order (which later checks below ensure).
+*/
+
+#if 1 && defined( VIA_ACE_POSSIBLE ) && !defined( USE_VIA_ACE_IF_PRESENT )
+#  define USE_VIA_ACE_IF_PRESENT
+#endif
+
+#if 0 && defined( VIA_ACE_POSSIBLE ) && !defined( ASSUME_VIA_ACE_PRESENT )
+#  define ASSUME_VIA_ACE_PRESENT
+#  endif
+
+/*  3. ASSEMBLER SUPPORT
+
+    This define (which can be on the command line) enables the use of the
+    assembler code routines for encryption, decryption and key scheduling
+    as follows:
+
+    ASM_X86_V1C uses the assembler (aes_x86_v1.asm) with large tables for
+                encryption and decryption and but with key scheduling in C
+    ASM_X86_V2  uses assembler (aes_x86_v2.asm) with compressed tables for
+                encryption, decryption and key scheduling
+    ASM_X86_V2C uses assembler (aes_x86_v2.asm) with compressed tables for
+                encryption and decryption and but with key scheduling in C
+    ASM_AMD64_C uses assembler (aes_amd64.asm) with compressed tables for
+                encryption and decryption and but with key scheduling in C
+
+    Change one 'if 0' below to 'if 1' to select the version or define
+    as a compilation option.
+*/
+
+#if 0 && !defined( ASM_X86_V1C )
+#  define ASM_X86_V1C
+#elif 0 && !defined( ASM_X86_V2  )
+#  define ASM_X86_V2
+#elif 0 && !defined( ASM_X86_V2C )
+#  define ASM_X86_V2C
+#elif 0 && !defined( ASM_AMD64_C )
+#  define ASM_AMD64_C
+#endif
+
+#if (defined ( ASM_X86_V1C ) || defined( ASM_X86_V2 ) || defined( ASM_X86_V2C )) \
+      && !defined( _M_IX86 ) || defined( ASM_AMD64_C ) && !defined( _M_X64 )
+#  error Assembler code is only available for x86 and AMD64 systems
+#endif
+
+/*  4. FAST INPUT/OUTPUT OPERATIONS.
+
+    On some machines it is possible to improve speed by transferring the
+    bytes in the input and output arrays to and from the internal 32-bit
+    variables by addressing these arrays as if they are arrays of 32-bit
+    words.  On some machines this will always be possible but there may
+    be a large performance penalty if the byte arrays are not aligned on
+    the normal word boundaries. On other machines this technique will
+    lead to memory access errors when such 32-bit word accesses are not
+    properly aligned. The option SAFE_IO avoids such problems but will
+    often be slower on those machines that support misaligned access
+    (especially so if care is taken to align the input  and output byte
+    arrays on 32-bit word boundaries). If SAFE_IO is not defined it is
+    assumed that access to byte arrays as if they are arrays of 32-bit
+    words will not cause problems when such accesses are misaligned.
+*/
+#if 1 && !defined( _MSC_VER )
+#  define SAFE_IO
+#endif
+
+/*  5. LOOP UNROLLING
+
+    The code for encryption and decrytpion cycles through a number of rounds
+    that can be implemented either in a loop or by expanding the code into a
+    long sequence of instructions, the latter producing a larger program but
+    one that will often be much faster. The latter is called loop unrolling.
+    There are also potential speed advantages in expanding two iterations in
+    a loop with half the number of iterations, which is called partial loop
+    unrolling.  The following options allow partial or full loop unrolling
+    to be set independently for encryption and decryption
+*/
+#if 1
+#  define ENC_UNROLL  FULL
+#elif 0
+#  define ENC_UNROLL  PARTIAL
+#else
+#  define ENC_UNROLL  NONE
+#endif
+
+#if 1
+#  define DEC_UNROLL  FULL
+#elif 0
+#  define DEC_UNROLL  PARTIAL
+#else
+#  define DEC_UNROLL  NONE
+#endif
+
+#if 1
+#  define ENC_KS_UNROLL
+#endif
+
+#if 1
+#  define DEC_KS_UNROLL
+#endif
+
+/*  6. FAST FINITE FIELD OPERATIONS
+
+    If this section is included, tables are used to provide faster finite
+    field arithmetic (this has no effect if FIXED_TABLES is defined).
+*/
+#if 1
+#  define FF_TABLES
+#endif
+
+/*  7. INTERNAL STATE VARIABLE FORMAT
+
+    The internal state of Rijndael is stored in a number of local 32-bit
+    word varaibles which can be defined either as an array or as individual
+    names variables. Include this section if you want to store these local
+    varaibles in arrays. Otherwise individual local variables will be used.
+*/
+#if 1
+#  define ARRAYS
+#endif
+
+/*  8. FIXED OR DYNAMIC TABLES
+
+    When this section is included the tables used by the code are compiled
+    statically into the binary file.  Otherwise the subroutine aes_init()
+    must be called to compute them before the code is first used.
+*/
+#if 1 && !(defined( _MSC_VER ) && ( _MSC_VER <= 800 ))
+#  define FIXED_TABLES
+#endif
+
+/*  9. MASKING OR CASTING FROM LONGER VALUES TO BYTES
+
+    In some systems it is better to mask longer values to extract bytes 
+    rather than using a cast. This option allows this choice.
+*/
+#if 0
+#  define to_byte(x)  ((uint_8t)(x))
+#else
+#  define to_byte(x)  ((x) & 0xff)
+#endif
+
+/*  10. TABLE ALIGNMENT
+
+    On some sytsems speed will be improved by aligning the AES large lookup
+    tables on particular boundaries. This define should be set to a power of
+    two giving the desired alignment. It can be left undefined if alignment
+    is not needed.  This option is specific to the Microsft VC++ compiler -
+    it seems to sometimes cause trouble for the VC++ version 6 compiler.
+*/
+
+#if 1 && defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
+#  define TABLE_ALIGN 32
+#endif
+
+/*  11.  REDUCE CODE AND TABLE SIZE
+
+    This replaces some expanded macros with function calls if AES_ASM_V2 or
+    AES_ASM_V2C are defined
+*/
+
+#if 1 && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C ))
+#  define REDUCE_CODE_SIZE
+#endif
+
+/*  12. TABLE OPTIONS
+
+    This cipher proceeds by repeating in a number of cycles known as 'rounds'
+    which are implemented by a round function which can optionally be speeded
+    up using tables.  The basic tables are each 256 32-bit words, with either
+    one or four tables being required for each round function depending on
+    how much speed is required. The encryption and decryption round functions
+    are different and the last encryption and decrytpion round functions are
+    different again making four different round functions in all.
+
+    This means that:
+      1. Normal encryption and decryption rounds can each use either 0, 1
+         or 4 tables and table spaces of 0, 1024 or 4096 bytes each.
+      2. The last encryption and decryption rounds can also use either 0, 1
+         or 4 tables and table spaces of 0, 1024 or 4096 bytes each.
+
+    Include or exclude the appropriate definitions below to set the number
+    of tables used by this implementation.
+*/
+
+#if 1   /* set tables for the normal encryption round */
+#  define ENC_ROUND   FOUR_TABLES
+#elif 0
+#  define ENC_ROUND   ONE_TABLE
+#else
+#  define ENC_ROUND   NO_TABLES
+#endif
+
+#if 1   /* set tables for the last encryption round */
+#  define LAST_ENC_ROUND  FOUR_TABLES
+#elif 0
+#  define LAST_ENC_ROUND  ONE_TABLE
+#else
+#  define LAST_ENC_ROUND  NO_TABLES
+#endif
+
+#if 1   /* set tables for the normal decryption round */
+#  define DEC_ROUND   FOUR_TABLES
+#elif 0
+#  define DEC_ROUND   ONE_TABLE
+#else
+#  define DEC_ROUND   NO_TABLES
+#endif
+
+#if 1   /* set tables for the last decryption round */
+#  define LAST_DEC_ROUND  FOUR_TABLES
+#elif 0
+#  define LAST_DEC_ROUND  ONE_TABLE
+#else
+#  define LAST_DEC_ROUND  NO_TABLES
+#endif
+
+/*  The decryption key schedule can be speeded up with tables in the same
+    way that the round functions can.  Include or exclude the following
+    defines to set this requirement.
+*/
+#if 1
+#  define KEY_SCHED   FOUR_TABLES
+#elif 0
+#  define KEY_SCHED   ONE_TABLE
+#else
+#  define KEY_SCHED   NO_TABLES
+#endif
+
+/*  ---- END OF USER CONFIGURED OPTIONS ---- */
+
+/* VIA ACE support is only available for VC++ and GCC */
+
+#if !defined( _MSC_VER ) && !defined( __GNUC__ )
+#  if defined( ASSUME_VIA_ACE_PRESENT )
+#    undef ASSUME_VIA_ACE_PRESENT
+#  endif
+#  if defined( USE_VIA_ACE_IF_PRESENT )
+#    undef USE_VIA_ACE_IF_PRESENT
+#  endif
+#endif
+
+#if defined( ASSUME_VIA_ACE_PRESENT ) && !defined( USE_VIA_ACE_IF_PRESENT )
+#  define USE_VIA_ACE_IF_PRESENT
+#endif
+
+#if defined( USE_VIA_ACE_IF_PRESENT ) && !defined ( AES_REV_DKS )
+#  define AES_REV_DKS
+#endif
+
+/* Assembler support requires the use of platform byte order */
+
+#if ( defined( ASM_X86_V1C ) || defined( ASM_X86_V2C ) || defined( ASM_AMD64_C ) ) \
+    && (ALGORITHM_BYTE_ORDER != PLATFORM_BYTE_ORDER)
+#  undef  ALGORITHM_BYTE_ORDER
+#  define ALGORITHM_BYTE_ORDER PLATFORM_BYTE_ORDER
+#endif
+
+/* In this implementation the columns of the state array are each held in
+   32-bit words. The state array can be held in various ways: in an array
+   of words, in a number of individual word variables or in a number of
+   processor registers. The following define maps a variable name x and
+   a column number c to the way the state array variable is to be held.
+   The first define below maps the state into an array x[c] whereas the
+   second form maps the state into a number of individual variables x0,
+   x1, etc.  Another form could map individual state colums to machine
+   register names.
+*/
+
+#if defined( ARRAYS )
+#  define s(x,c) x[c]
+#else
+#  define s(x,c) x##c
+#endif
+
+/*  This implementation provides subroutines for encryption, decryption
+    and for setting the three key lengths (separately) for encryption
+    and decryption. Since not all functions are needed, masks are set
+    up here to determine which will be implemented in C
+*/
+
+#if !defined( AES_ENCRYPT )
+#  define EFUNCS_IN_C   0
+#elif defined( ASSUME_VIA_ACE_PRESENT ) || defined( ASM_X86_V1C ) \
+    || defined( ASM_X86_V2C ) || defined( ASM_AMD64_C )
+#  define EFUNCS_IN_C   ENC_KEYING_IN_C
+#elif !defined( ASM_X86_V2 )
+#  define EFUNCS_IN_C   ( ENCRYPTION_IN_C | ENC_KEYING_IN_C )
+#else
+#  define EFUNCS_IN_C   0
+#endif
+
+#if !defined( AES_DECRYPT )
+#  define DFUNCS_IN_C   0
+#elif defined( ASSUME_VIA_ACE_PRESENT ) || defined( ASM_X86_V1C ) \
+    || defined( ASM_X86_V2C ) || defined( ASM_AMD64_C )
+#  define DFUNCS_IN_C   DEC_KEYING_IN_C
+#elif !defined( ASM_X86_V2 )
+#  define DFUNCS_IN_C   ( DECRYPTION_IN_C | DEC_KEYING_IN_C )
+#else
+#  define DFUNCS_IN_C   0
+#endif
+
+#define FUNCS_IN_C  ( EFUNCS_IN_C | DFUNCS_IN_C )
+
+/* END OF CONFIGURATION OPTIONS */
+
+#define RC_LENGTH   (5 * (AES_BLOCK_SIZE / 4 - 2))
+
+/* Disable or report errors on some combinations of options */
+
+#if ENC_ROUND == NO_TABLES && LAST_ENC_ROUND != NO_TABLES
+#  undef  LAST_ENC_ROUND
+#  define LAST_ENC_ROUND  NO_TABLES
+#elif ENC_ROUND == ONE_TABLE && LAST_ENC_ROUND == FOUR_TABLES
+#  undef  LAST_ENC_ROUND
+#  define LAST_ENC_ROUND  ONE_TABLE
+#endif
+
+#if ENC_ROUND == NO_TABLES && ENC_UNROLL != NONE
+#  undef  ENC_UNROLL
+#  define ENC_UNROLL  NONE
+#endif
+
+#if DEC_ROUND == NO_TABLES && LAST_DEC_ROUND != NO_TABLES
+#  undef  LAST_DEC_ROUND
+#  define LAST_DEC_ROUND  NO_TABLES
+#elif DEC_ROUND == ONE_TABLE && LAST_DEC_ROUND == FOUR_TABLES
+#  undef  LAST_DEC_ROUND
+#  define LAST_DEC_ROUND  ONE_TABLE
+#endif
+
+#if DEC_ROUND == NO_TABLES && DEC_UNROLL != NONE
+#  undef  DEC_UNROLL
+#  define DEC_UNROLL  NONE
+#endif
+
+#if defined( bswap32 )
+#  define aes_sw32    bswap32
+#elif defined( bswap_32 )
+#  define aes_sw32    bswap_32
+#else
+#  define brot(x,n)   (((uint_32t)(x) <<  n) | ((uint_32t)(x) >> (32 - n)))
+#  define aes_sw32(x) ((brot((x),8) & 0x00ff00ff) | (brot((x),24) & 0xff00ff00))
+#endif
+
+/*  upr(x,n):  rotates bytes within words by n positions, moving bytes to
+               higher index positions with wrap around into low positions
+    ups(x,n):  moves bytes by n positions to higher index positions in
+               words but without wrap around
+    bval(x,n): extracts a byte from a word
+
+    WARNING:   The definitions given here are intended only for use with
+               unsigned variables and with shift counts that are compile
+               time constants
+*/
+
+#if ( ALGORITHM_BYTE_ORDER == IS_LITTLE_ENDIAN )
+#  define upr(x,n)      (((uint_32t)(x) << (8 * (n))) | ((uint_32t)(x) >> (32 - 8 * (n))))
+#  define ups(x,n)      ((uint_32t) (x) << (8 * (n)))
+#  define bval(x,n)     to_byte((x) >> (8 * (n)))
+#  define bytes2word(b0, b1, b2, b3)  \
+        (((uint_32t)(b3) << 24) | ((uint_32t)(b2) << 16) | ((uint_32t)(b1) << 8) | (b0))
+#endif
+
+#if ( ALGORITHM_BYTE_ORDER == IS_BIG_ENDIAN )
+#  define upr(x,n)      (((uint_32t)(x) >> (8 * (n))) | ((uint_32t)(x) << (32 - 8 * (n))))
+#  define ups(x,n)      ((uint_32t) (x) >> (8 * (n)))
+#  define bval(x,n)     to_byte((x) >> (24 - 8 * (n)))
+#  define bytes2word(b0, b1, b2, b3)  \
+        (((uint_32t)(b0) << 24) | ((uint_32t)(b1) << 16) | ((uint_32t)(b2) << 8) | (b3))
+#endif
+
+#if defined( SAFE_IO )
+#  define word_in(x,c)    bytes2word(((const uint_8t*)(x)+4*c)[0], ((const uint_8t*)(x)+4*c)[1], \
+                                   ((const uint_8t*)(x)+4*c)[2], ((const uint_8t*)(x)+4*c)[3])
+#  define word_out(x,c,v) { ((uint_8t*)(x)+4*c)[0] = bval(v,0); ((uint_8t*)(x)+4*c)[1] = bval(v,1); \
+                          ((uint_8t*)(x)+4*c)[2] = bval(v,2); ((uint_8t*)(x)+4*c)[3] = bval(v,3); }
+#elif ( ALGORITHM_BYTE_ORDER == PLATFORM_BYTE_ORDER )
+#  define word_in(x,c)    (*((uint_32t*)(x)+(c)))
+#  define word_out(x,c,v) (*((uint_32t*)(x)+(c)) = (v))
+#else
+#  define word_in(x,c)    aes_sw32(*((uint_32t*)(x)+(c)))
+#  define word_out(x,c,v) (*((uint_32t*)(x)+(c)) = aes_sw32(v))
+#endif
+
+/* the finite field modular polynomial and elements */
+
+#define WPOLY   0x011b
+#define BPOLY     0x1b
+
+/* multiply four bytes in GF(2^8) by 'x' {02} in parallel */
+
+#define gf_c1  0x80808080
+#define gf_c2  0x7f7f7f7f
+#define gf_mulx(x)  ((((x) & gf_c2) << 1) ^ ((((x) & gf_c1) >> 7) * BPOLY))
+
+/* The following defines provide alternative definitions of gf_mulx that might
+   give improved performance if a fast 32-bit multiply is not available. Note
+   that a temporary variable u needs to be defined where gf_mulx is used.
+
+#define gf_mulx(x) (u = (x) & gf_c1, u |= (u >> 1), ((x) & gf_c2) << 1) ^ ((u >> 3) | (u >> 6))
+#define gf_c4  (0x01010101 * BPOLY)
+#define gf_mulx(x) (u = (x) & gf_c1, ((x) & gf_c2) << 1) ^ ((u - (u >> 7)) & gf_c4)
+*/
+
+/* Work out which tables are needed for the different options   */
+
+#if defined( ASM_X86_V1C )
+#  if defined( ENC_ROUND )
+#    undef  ENC_ROUND
+#  endif
+#  define ENC_ROUND   FOUR_TABLES
+#  if defined( LAST_ENC_ROUND )
+#    undef  LAST_ENC_ROUND
+#  endif
+#  define LAST_ENC_ROUND  FOUR_TABLES
+#  if defined( DEC_ROUND )
+#    undef  DEC_ROUND
+#  endif
+#  define DEC_ROUND   FOUR_TABLES
+#  if defined( LAST_DEC_ROUND )
+#    undef  LAST_DEC_ROUND
+#  endif
+#  define LAST_DEC_ROUND  FOUR_TABLES
+#  if defined( KEY_SCHED )
+#    undef  KEY_SCHED
+#    define KEY_SCHED   FOUR_TABLES
+#  endif
+#endif
+
+#if ( FUNCS_IN_C & ENCRYPTION_IN_C ) || defined( ASM_X86_V1C )
+#  if ENC_ROUND == ONE_TABLE
+#    define FT1_SET
+#  elif ENC_ROUND == FOUR_TABLES
+#    define FT4_SET
+#  else
+#    define SBX_SET
+#  endif
+#  if LAST_ENC_ROUND == ONE_TABLE
+#    define FL1_SET
+#  elif LAST_ENC_ROUND == FOUR_TABLES
+#    define FL4_SET
+#  elif !defined( SBX_SET )
+#    define SBX_SET
+#  endif
+#endif
+
+#if ( FUNCS_IN_C & DECRYPTION_IN_C ) || defined( ASM_X86_V1C )
+#  if DEC_ROUND == ONE_TABLE
+#    define IT1_SET
+#  elif DEC_ROUND == FOUR_TABLES
+#    define IT4_SET
+#  else
+#    define ISB_SET
+#  endif
+#  if LAST_DEC_ROUND == ONE_TABLE
+#    define IL1_SET
+#  elif LAST_DEC_ROUND == FOUR_TABLES
+#    define IL4_SET
+#  elif !defined(ISB_SET)
+#    define ISB_SET
+#  endif
+#endif
+
+#if !(defined( REDUCE_CODE_SIZE ) && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C )))
+#  if ((FUNCS_IN_C & ENC_KEYING_IN_C) || (FUNCS_IN_C & DEC_KEYING_IN_C))
+#    if KEY_SCHED == ONE_TABLE
+#      if !defined( FL1_SET )  && !defined( FL4_SET ) 
+#        define LS1_SET
+#      endif
+#    elif KEY_SCHED == FOUR_TABLES
+#      if !defined( FL4_SET )
+#        define LS4_SET
+#      endif
+#    elif !defined( SBX_SET )
+#      define SBX_SET
+#    endif
+#  endif
+#  if (FUNCS_IN_C & DEC_KEYING_IN_C)
+#    if KEY_SCHED == ONE_TABLE
+#      define IM1_SET
+#    elif KEY_SCHED == FOUR_TABLES
+#      define IM4_SET
+#    elif !defined( SBX_SET )
+#      define SBX_SET
+#    endif
+#  endif
+#endif
+
+/* generic definitions of Rijndael macros that use tables    */
+
+#define no_table(x,box,vf,rf,c) bytes2word( \
+    box[bval(vf(x,0,c),rf(0,c))], \
+    box[bval(vf(x,1,c),rf(1,c))], \
+    box[bval(vf(x,2,c),rf(2,c))], \
+    box[bval(vf(x,3,c),rf(3,c))])
+
+#define one_table(x,op,tab,vf,rf,c) \
+ (     tab[bval(vf(x,0,c),rf(0,c))] \
+  ^ op(tab[bval(vf(x,1,c),rf(1,c))],1) \
+  ^ op(tab[bval(vf(x,2,c),rf(2,c))],2) \
+  ^ op(tab[bval(vf(x,3,c),rf(3,c))],3))
+
+#define four_tables(x,tab,vf,rf,c) \
+ (  tab[0][bval(vf(x,0,c),rf(0,c))] \
+  ^ tab[1][bval(vf(x,1,c),rf(1,c))] \
+  ^ tab[2][bval(vf(x,2,c),rf(2,c))] \
+  ^ tab[3][bval(vf(x,3,c),rf(3,c))])
+
+#define vf1(x,r,c)  (x)
+#define rf1(r,c)    (r)
+#define rf2(r,c)    ((8+r-c)&3)
+
+/* perform forward and inverse column mix operation on four bytes in long word x in */
+/* parallel. NOTE: x must be a simple variable, NOT an expression in these macros.  */
+
+#if !(defined( REDUCE_CODE_SIZE ) && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C ))) 
+
+#if defined( FM4_SET )      /* not currently used */
+#  define fwd_mcol(x)       four_tables(x,t_use(f,m),vf1,rf1,0)
+#elif defined( FM1_SET )    /* not currently used */
+#  define fwd_mcol(x)       one_table(x,upr,t_use(f,m),vf1,rf1,0)
+#else
+#  define dec_fmvars        uint_32t g2
+#  define fwd_mcol(x)       (g2 = gf_mulx(x), g2 ^ upr((x) ^ g2, 3) ^ upr((x), 2) ^ upr((x), 1))
+#endif
+
+#if defined( IM4_SET )
+#  define inv_mcol(x)       four_tables(x,t_use(i,m),vf1,rf1,0)
+#elif defined( IM1_SET )
+#  define inv_mcol(x)       one_table(x,upr,t_use(i,m),vf1,rf1,0)
+#else
+#  define dec_imvars        uint_32t g2, g4, g9
+#  define inv_mcol(x)       (g2 = gf_mulx(x), g4 = gf_mulx(g2), g9 = (x) ^ gf_mulx(g4), g4 ^= g9, \
+                            (x) ^ g2 ^ g4 ^ upr(g2 ^ g9, 3) ^ upr(g4, 2) ^ upr(g9, 1))
+#endif
+
+#if defined( FL4_SET )
+#  define ls_box(x,c)       four_tables(x,t_use(f,l),vf1,rf2,c)
+#elif defined( LS4_SET )
+#  define ls_box(x,c)       four_tables(x,t_use(l,s),vf1,rf2,c)
+#elif defined( FL1_SET )
+#  define ls_box(x,c)       one_table(x,upr,t_use(f,l),vf1,rf2,c)
+#elif defined( LS1_SET )
+#  define ls_box(x,c)       one_table(x,upr,t_use(l,s),vf1,rf2,c)
+#else
+#  define ls_box(x,c)       no_table(x,t_use(s,box),vf1,rf2,c)
+#endif
+
+#endif
+
+#if defined( ASM_X86_V1C ) && defined( AES_DECRYPT ) && !defined( ISB_SET )
+#  define ISB_SET
+#endif
+
+#endif

SSZipArchive/aes/aestab.c

@@ -0,0 +1,391 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#define DO_TABLES
+
+#include "aes.h"
+#include "aesopt.h"
+
+#if defined(FIXED_TABLES)
+
+#define sb_data(w) {\
+    w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\
+    w(0x30), w(0x01), w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76),\
+    w(0xca), w(0x82), w(0xc9), w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0),\
+    w(0xad), w(0xd4), w(0xa2), w(0xaf), w(0x9c), w(0xa4), w(0x72), w(0xc0),\
+    w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), w(0x3f), w(0xf7), w(0xcc),\
+    w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), w(0x31), w(0x15),\
+    w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), w(0x9a),\
+    w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75),\
+    w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0),\
+    w(0x52), w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84),\
+    w(0x53), w(0xd1), w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b),\
+    w(0x6a), w(0xcb), w(0xbe), w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf),\
+    w(0xd0), w(0xef), w(0xaa), w(0xfb), w(0x43), w(0x4d), w(0x33), w(0x85),\
+    w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), w(0x3c), w(0x9f), w(0xa8),\
+    w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), w(0x38), w(0xf5),\
+    w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), w(0xd2),\
+    w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17),\
+    w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73),\
+    w(0x60), w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88),\
+    w(0x46), w(0xee), w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb),\
+    w(0xe0), w(0x32), w(0x3a), w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c),\
+    w(0xc2), w(0xd3), w(0xac), w(0x62), w(0x91), w(0x95), w(0xe4), w(0x79),\
+    w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), w(0xd5), w(0x4e), w(0xa9),\
+    w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), w(0xae), w(0x08),\
+    w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), w(0xc6),\
+    w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a),\
+    w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e),\
+    w(0x61), w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e),\
+    w(0xe1), w(0xf8), w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94),\
+    w(0x9b), w(0x1e), w(0x87), w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf),\
+    w(0x8c), w(0xa1), w(0x89), w(0x0d), w(0xbf), w(0xe6), w(0x42), w(0x68),\
+    w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), w(0x54), w(0xbb), w(0x16) }
+
+#define isb_data(w) {\
+    w(0x52), w(0x09), w(0x6a), w(0xd5), w(0x30), w(0x36), w(0xa5), w(0x38),\
+    w(0xbf), w(0x40), w(0xa3), w(0x9e), w(0x81), w(0xf3), w(0xd7), w(0xfb),\
+    w(0x7c), w(0xe3), w(0x39), w(0x82), w(0x9b), w(0x2f), w(0xff), w(0x87),\
+    w(0x34), w(0x8e), w(0x43), w(0x44), w(0xc4), w(0xde), w(0xe9), w(0xcb),\
+    w(0x54), w(0x7b), w(0x94), w(0x32), w(0xa6), w(0xc2), w(0x23), w(0x3d),\
+    w(0xee), w(0x4c), w(0x95), w(0x0b), w(0x42), w(0xfa), w(0xc3), w(0x4e),\
+    w(0x08), w(0x2e), w(0xa1), w(0x66), w(0x28), w(0xd9), w(0x24), w(0xb2),\
+    w(0x76), w(0x5b), w(0xa2), w(0x49), w(0x6d), w(0x8b), w(0xd1), w(0x25),\
+    w(0x72), w(0xf8), w(0xf6), w(0x64), w(0x86), w(0x68), w(0x98), w(0x16),\
+    w(0xd4), w(0xa4), w(0x5c), w(0xcc), w(0x5d), w(0x65), w(0xb6), w(0x92),\
+    w(0x6c), w(0x70), w(0x48), w(0x50), w(0xfd), w(0xed), w(0xb9), w(0xda),\
+    w(0x5e), w(0x15), w(0x46), w(0x57), w(0xa7), w(0x8d), w(0x9d), w(0x84),\
+    w(0x90), w(0xd8), w(0xab), w(0x00), w(0x8c), w(0xbc), w(0xd3), w(0x0a),\
+    w(0xf7), w(0xe4), w(0x58), w(0x05), w(0xb8), w(0xb3), w(0x45), w(0x06),\
+    w(0xd0), w(0x2c), w(0x1e), w(0x8f), w(0xca), w(0x3f), w(0x0f), w(0x02),\
+    w(0xc1), w(0xaf), w(0xbd), w(0x03), w(0x01), w(0x13), w(0x8a), w(0x6b),\
+    w(0x3a), w(0x91), w(0x11), w(0x41), w(0x4f), w(0x67), w(0xdc), w(0xea),\
+    w(0x97), w(0xf2), w(0xcf), w(0xce), w(0xf0), w(0xb4), w(0xe6), w(0x73),\
+    w(0x96), w(0xac), w(0x74), w(0x22), w(0xe7), w(0xad), w(0x35), w(0x85),\
+    w(0xe2), w(0xf9), w(0x37), w(0xe8), w(0x1c), w(0x75), w(0xdf), w(0x6e),\
+    w(0x47), w(0xf1), w(0x1a), w(0x71), w(0x1d), w(0x29), w(0xc5), w(0x89),\
+    w(0x6f), w(0xb7), w(0x62), w(0x0e), w(0xaa), w(0x18), w(0xbe), w(0x1b),\
+    w(0xfc), w(0x56), w(0x3e), w(0x4b), w(0xc6), w(0xd2), w(0x79), w(0x20),\
+    w(0x9a), w(0xdb), w(0xc0), w(0xfe), w(0x78), w(0xcd), w(0x5a), w(0xf4),\
+    w(0x1f), w(0xdd), w(0xa8), w(0x33), w(0x88), w(0x07), w(0xc7), w(0x31),\
+    w(0xb1), w(0x12), w(0x10), w(0x59), w(0x27), w(0x80), w(0xec), w(0x5f),\
+    w(0x60), w(0x51), w(0x7f), w(0xa9), w(0x19), w(0xb5), w(0x4a), w(0x0d),\
+    w(0x2d), w(0xe5), w(0x7a), w(0x9f), w(0x93), w(0xc9), w(0x9c), w(0xef),\
+    w(0xa0), w(0xe0), w(0x3b), w(0x4d), w(0xae), w(0x2a), w(0xf5), w(0xb0),\
+    w(0xc8), w(0xeb), w(0xbb), w(0x3c), w(0x83), w(0x53), w(0x99), w(0x61),\
+    w(0x17), w(0x2b), w(0x04), w(0x7e), w(0xba), w(0x77), w(0xd6), w(0x26),\
+    w(0xe1), w(0x69), w(0x14), w(0x63), w(0x55), w(0x21), w(0x0c), w(0x7d) }
+
+#define mm_data(w) {\
+    w(0x00), w(0x01), w(0x02), w(0x03), w(0x04), w(0x05), w(0x06), w(0x07),\
+    w(0x08), w(0x09), w(0x0a), w(0x0b), w(0x0c), w(0x0d), w(0x0e), w(0x0f),\
+    w(0x10), w(0x11), w(0x12), w(0x13), w(0x14), w(0x15), w(0x16), w(0x17),\
+    w(0x18), w(0x19), w(0x1a), w(0x1b), w(0x1c), w(0x1d), w(0x1e), w(0x1f),\
+    w(0x20), w(0x21), w(0x22), w(0x23), w(0x24), w(0x25), w(0x26), w(0x27),\
+    w(0x28), w(0x29), w(0x2a), w(0x2b), w(0x2c), w(0x2d), w(0x2e), w(0x2f),\
+    w(0x30), w(0x31), w(0x32), w(0x33), w(0x34), w(0x35), w(0x36), w(0x37),\
+    w(0x38), w(0x39), w(0x3a), w(0x3b), w(0x3c), w(0x3d), w(0x3e), w(0x3f),\
+    w(0x40), w(0x41), w(0x42), w(0x43), w(0x44), w(0x45), w(0x46), w(0x47),\
+    w(0x48), w(0x49), w(0x4a), w(0x4b), w(0x4c), w(0x4d), w(0x4e), w(0x4f),\
+    w(0x50), w(0x51), w(0x52), w(0x53), w(0x54), w(0x55), w(0x56), w(0x57),\
+    w(0x58), w(0x59), w(0x5a), w(0x5b), w(0x5c), w(0x5d), w(0x5e), w(0x5f),\
+    w(0x60), w(0x61), w(0x62), w(0x63), w(0x64), w(0x65), w(0x66), w(0x67),\
+    w(0x68), w(0x69), w(0x6a), w(0x6b), w(0x6c), w(0x6d), w(0x6e), w(0x6f),\
+    w(0x70), w(0x71), w(0x72), w(0x73), w(0x74), w(0x75), w(0x76), w(0x77),\
+    w(0x78), w(0x79), w(0x7a), w(0x7b), w(0x7c), w(0x7d), w(0x7e), w(0x7f),\
+    w(0x80), w(0x81), w(0x82), w(0x83), w(0x84), w(0x85), w(0x86), w(0x87),\
+    w(0x88), w(0x89), w(0x8a), w(0x8b), w(0x8c), w(0x8d), w(0x8e), w(0x8f),\
+    w(0x90), w(0x91), w(0x92), w(0x93), w(0x94), w(0x95), w(0x96), w(0x97),\
+    w(0x98), w(0x99), w(0x9a), w(0x9b), w(0x9c), w(0x9d), w(0x9e), w(0x9f),\
+    w(0xa0), w(0xa1), w(0xa2), w(0xa3), w(0xa4), w(0xa5), w(0xa6), w(0xa7),\
+    w(0xa8), w(0xa9), w(0xaa), w(0xab), w(0xac), w(0xad), w(0xae), w(0xaf),\
+    w(0xb0), w(0xb1), w(0xb2), w(0xb3), w(0xb4), w(0xb5), w(0xb6), w(0xb7),\
+    w(0xb8), w(0xb9), w(0xba), w(0xbb), w(0xbc), w(0xbd), w(0xbe), w(0xbf),\
+    w(0xc0), w(0xc1), w(0xc2), w(0xc3), w(0xc4), w(0xc5), w(0xc6), w(0xc7),\
+    w(0xc8), w(0xc9), w(0xca), w(0xcb), w(0xcc), w(0xcd), w(0xce), w(0xcf),\
+    w(0xd0), w(0xd1), w(0xd2), w(0xd3), w(0xd4), w(0xd5), w(0xd6), w(0xd7),\
+    w(0xd8), w(0xd9), w(0xda), w(0xdb), w(0xdc), w(0xdd), w(0xde), w(0xdf),\
+    w(0xe0), w(0xe1), w(0xe2), w(0xe3), w(0xe4), w(0xe5), w(0xe6), w(0xe7),\
+    w(0xe8), w(0xe9), w(0xea), w(0xeb), w(0xec), w(0xed), w(0xee), w(0xef),\
+    w(0xf0), w(0xf1), w(0xf2), w(0xf3), w(0xf4), w(0xf5), w(0xf6), w(0xf7),\
+    w(0xf8), w(0xf9), w(0xfa), w(0xfb), w(0xfc), w(0xfd), w(0xfe), w(0xff) }
+
+#define rc_data(w) {\
+    w(0x01), w(0x02), w(0x04), w(0x08), w(0x10),w(0x20), w(0x40), w(0x80),\
+    w(0x1b), w(0x36) }
+
+#define h0(x)   (x)
+
+#define w0(p)   bytes2word(p, 0, 0, 0)
+#define w1(p)   bytes2word(0, p, 0, 0)
+#define w2(p)   bytes2word(0, 0, p, 0)
+#define w3(p)   bytes2word(0, 0, 0, p)
+
+#define u0(p)   bytes2word(f2(p), p, p, f3(p))
+#define u1(p)   bytes2word(f3(p), f2(p), p, p)
+#define u2(p)   bytes2word(p, f3(p), f2(p), p)
+#define u3(p)   bytes2word(p, p, f3(p), f2(p))
+
+#define v0(p)   bytes2word(fe(p), f9(p), fd(p), fb(p))
+#define v1(p)   bytes2word(fb(p), fe(p), f9(p), fd(p))
+#define v2(p)   bytes2word(fd(p), fb(p), fe(p), f9(p))
+#define v3(p)   bytes2word(f9(p), fd(p), fb(p), fe(p))
+
+#endif
+
+#if defined(FIXED_TABLES) || !defined(FF_TABLES)
+
+#define f2(x)   ((x<<1) ^ (((x>>7) & 1) * WPOLY))
+#define f4(x)   ((x<<2) ^ (((x>>6) & 1) * WPOLY) ^ (((x>>6) & 2) * WPOLY))
+#define f8(x)   ((x<<3) ^ (((x>>5) & 1) * WPOLY) ^ (((x>>5) & 2) * WPOLY) \
+                        ^ (((x>>5) & 4) * WPOLY))
+#define f3(x)   (f2(x) ^ x)
+#define f9(x)   (f8(x) ^ x)
+#define fb(x)   (f8(x) ^ f2(x) ^ x)
+#define fd(x)   (f8(x) ^ f4(x) ^ x)
+#define fe(x)   (f8(x) ^ f4(x) ^ f2(x))
+
+#else
+
+#define f2(x) ((x) ? pow[log[x] + 0x19] : 0)
+#define f3(x) ((x) ? pow[log[x] + 0x01] : 0)
+#define f9(x) ((x) ? pow[log[x] + 0xc7] : 0)
+#define fb(x) ((x) ? pow[log[x] + 0x68] : 0)
+#define fd(x) ((x) ? pow[log[x] + 0xee] : 0)
+#define fe(x) ((x) ? pow[log[x] + 0xdf] : 0)
+
+#endif
+
+#include "aestab.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#if defined(FIXED_TABLES)
+
+/* implemented in case of wrong call for fixed tables */
+
+AES_RETURN aes_init(void)
+{
+    return EXIT_SUCCESS;
+}
+
+#else   /*  Generate the tables for the dynamic table option */
+
+#if defined(FF_TABLES)
+
+#define gf_inv(x)   ((x) ? pow[ 255 - log[x]] : 0)
+
+#else 
+
+/*  It will generally be sensible to use tables to compute finite
+    field multiplies and inverses but where memory is scarse this
+    code might sometimes be better. But it only has effect during
+    initialisation so its pretty unimportant in overall terms.
+*/
+
+/*  return 2 ^ (n - 1) where n is the bit number of the highest bit
+    set in x with x in the range 1 < x < 0x00000200.   This form is
+    used so that locals within fi can be bytes rather than words
+*/
+
+static uint_8t hibit(const uint_32t x)
+{   uint_8t r = (uint_8t)((x >> 1) | (x >> 2));
+
+    r |= (r >> 2);
+    r |= (r >> 4);
+    return (r + 1) >> 1;
+}
+
+/* return the inverse of the finite field element x */
+
+static uint_8t gf_inv(const uint_8t x)
+{   uint_8t p1 = x, p2 = BPOLY, n1 = hibit(x), n2 = 0x80, v1 = 1, v2 = 0;
+
+    if(x < 2) 
+        return x;
+
+    for( ; ; )
+    {
+        if(n1)
+            while(n2 >= n1)             /* divide polynomial p2 by p1    */
+            {
+                n2 /= n1;               /* shift smaller polynomial left */ 
+                p2 ^= (p1 * n2) & 0xff; /* and remove from larger one    */
+                v2 ^= v1 * n2;          /* shift accumulated value and   */ 
+                n2 = hibit(p2);         /* add into result               */
+            }
+        else
+            return v1;
+
+        if(n2)                          /* repeat with values swapped    */ 
+            while(n1 >= n2)
+            {
+                n1 /= n2; 
+                p1 ^= p2 * n1; 
+                v1 ^= v2 * n1; 
+                n1 = hibit(p1);
+            }
+        else
+            return v2;
+    }
+}
+
+#endif
+
+/* The forward and inverse affine transformations used in the S-box */
+uint_8t fwd_affine(const uint_8t x)
+{   uint_32t w = x;
+    w ^= (w << 1) ^ (w << 2) ^ (w << 3) ^ (w << 4);
+    return 0x63 ^ ((w ^ (w >> 8)) & 0xff);
+}
+
+uint_8t inv_affine(const uint_8t x)
+{   uint_32t w = x;
+    w = (w << 1) ^ (w << 3) ^ (w << 6);
+    return 0x05 ^ ((w ^ (w >> 8)) & 0xff);
+}
+
+static int init = 0;
+
+AES_RETURN aes_init(void)
+{   uint_32t  i, w;
+
+#if defined(FF_TABLES)
+
+    uint_8t  pow[512], log[256];
+
+    if(init)
+        return EXIT_SUCCESS;
+    /*  log and power tables for GF(2^8) finite field with
+        WPOLY as modular polynomial - the simplest primitive
+        root is 0x03, used here to generate the tables
+    */
+
+    i = 0; w = 1;
+    do
+    {
+        pow[i] = (uint_8t)w;
+        pow[i + 255] = (uint_8t)w;
+        log[w] = (uint_8t)i++;
+        w ^=  (w << 1) ^ (w & 0x80 ? WPOLY : 0);
+    }
+    while (w != 1);
+
+#else
+    if(init)
+        return EXIT_SUCCESS;
+#endif
+
+    for(i = 0, w = 1; i < RC_LENGTH; ++i)
+    {
+        t_set(r,c)[i] = bytes2word(w, 0, 0, 0);
+        w = f2(w);
+    }
+
+    for(i = 0; i < 256; ++i)
+    {   uint_8t    b;
+
+        b = fwd_affine(gf_inv((uint_8t)i));
+        w = bytes2word(f2(b), b, b, f3(b));
+
+#if defined( SBX_SET )
+        t_set(s,box)[i] = b;
+#endif
+
+#if defined( FT1_SET )                 /* tables for a normal encryption round */
+        t_set(f,n)[i] = w;
+#endif
+#if defined( FT4_SET )
+        t_set(f,n)[0][i] = w;
+        t_set(f,n)[1][i] = upr(w,1);
+        t_set(f,n)[2][i] = upr(w,2);
+        t_set(f,n)[3][i] = upr(w,3);
+#endif
+        w = bytes2word(b, 0, 0, 0);
+
+#if defined( FL1_SET )            /* tables for last encryption round (may also   */
+        t_set(f,l)[i] = w;        /* be used in the key schedule)                 */
+#endif
+#if defined( FL4_SET )
+        t_set(f,l)[0][i] = w;
+        t_set(f,l)[1][i] = upr(w,1);
+        t_set(f,l)[2][i] = upr(w,2);
+        t_set(f,l)[3][i] = upr(w,3);
+#endif
+
+#if defined( LS1_SET )			/* table for key schedule if t_set(f,l) above is*/
+        t_set(l,s)[i] = w;      /* not of the required form                     */
+#endif
+#if defined( LS4_SET )
+        t_set(l,s)[0][i] = w;
+        t_set(l,s)[1][i] = upr(w,1);
+        t_set(l,s)[2][i] = upr(w,2);
+        t_set(l,s)[3][i] = upr(w,3);
+#endif
+
+        b = gf_inv(inv_affine((uint_8t)i));
+        w = bytes2word(fe(b), f9(b), fd(b), fb(b));
+
+#if defined( IM1_SET )			/* tables for the inverse mix column operation  */
+        t_set(i,m)[b] = w;
+#endif
+#if defined( IM4_SET )
+        t_set(i,m)[0][b] = w;
+        t_set(i,m)[1][b] = upr(w,1);
+        t_set(i,m)[2][b] = upr(w,2);
+        t_set(i,m)[3][b] = upr(w,3);
+#endif
+
+#if defined( ISB_SET )
+        t_set(i,box)[i] = b;
+#endif
+#if defined( IT1_SET )			/* tables for a normal decryption round */
+        t_set(i,n)[i] = w;
+#endif
+#if defined( IT4_SET )
+        t_set(i,n)[0][i] = w;
+        t_set(i,n)[1][i] = upr(w,1);
+        t_set(i,n)[2][i] = upr(w,2);
+        t_set(i,n)[3][i] = upr(w,3);
+#endif
+        w = bytes2word(b, 0, 0, 0);
+#if defined( IL1_SET )			/* tables for last decryption round */
+        t_set(i,l)[i] = w;
+#endif
+#if defined( IL4_SET )
+        t_set(i,l)[0][i] = w;
+        t_set(i,l)[1][i] = upr(w,1);
+        t_set(i,l)[2][i] = upr(w,2);
+        t_set(i,l)[3][i] = upr(w,3);
+#endif
+    }
+    init = 1;
+    return EXIT_SUCCESS;
+}
+
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+

SSZipArchive/aes/aestab.h

@@ -0,0 +1,173 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+
+ This file contains the code for declaring the tables needed to implement
+ AES. The file aesopt.h is assumed to be included before this header file.
+ If there are no global variables, the definitions here can be used to put
+ the AES tables in a structure so that a pointer can then be added to the
+ AES context to pass them to the AES routines that need them.   If this
+ facility is used, the calling program has to ensure that this pointer is
+ managed appropriately.  In particular, the value of the t_dec(in,it) item
+ in the table structure must be set to zero in order to ensure that the
+ tables are initialised. In practice the three code sequences in aeskey.c
+ that control the calls to aes_init() and the aes_init() routine itself will
+ have to be changed for a specific implementation. If global variables are
+ available it will generally be preferable to use them with the precomputed
+ FIXED_TABLES option that uses static global tables.
+
+ The following defines can be used to control the way the tables
+ are defined, initialised and used in embedded environments that
+ require special features for these purposes
+
+    the 't_dec' construction is used to declare fixed table arrays
+    the 't_set' construction is used to set fixed table values
+    the 't_use' construction is used to access fixed table values
+
+    256 byte tables:
+
+        t_xxx(s,box)    => forward S box
+        t_xxx(i,box)    => inverse S box
+
+    256 32-bit word OR 4 x 256 32-bit word tables:
+
+        t_xxx(f,n)      => forward normal round
+        t_xxx(f,l)      => forward last round
+        t_xxx(i,n)      => inverse normal round
+        t_xxx(i,l)      => inverse last round
+        t_xxx(l,s)      => key schedule table
+        t_xxx(i,m)      => key schedule table
+
+    Other variables and tables:
+
+        t_xxx(r,c)      => the rcon table
+*/
+
+#if !defined( _AESTAB_H )
+#define _AESTAB_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#define t_dec(m,n) t_##m##n
+#define t_set(m,n) t_##m##n
+#define t_use(m,n) t_##m##n
+
+#if defined(FIXED_TABLES)
+#  if !defined( __GNUC__ ) && (defined( __MSDOS__ ) || defined( __WIN16__ ))
+/*   make tables far data to avoid using too much DGROUP space (PG) */
+#    define CONST const far
+#  else
+#    define CONST const
+#  endif
+#else
+#  define CONST
+#endif
+
+#if defined(DO_TABLES)
+#  define EXTERN
+#else
+#  define EXTERN extern
+#endif
+
+#if defined(_MSC_VER) && defined(TABLE_ALIGN)
+#define ALIGN __declspec(align(TABLE_ALIGN))
+#else
+#define ALIGN
+#endif
+
+#if defined( __WATCOMC__ ) && ( __WATCOMC__ >= 1100 )
+#  define XP_DIR __cdecl
+#else
+#  define XP_DIR
+#endif
+
+#if defined(DO_TABLES) && defined(FIXED_TABLES)
+#define d_1(t,n,b,e)       EXTERN ALIGN CONST XP_DIR t n[256]    =   b(e)
+#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256] = { b(e), b(f), b(g), b(h) }
+EXTERN ALIGN CONST uint_32t t_dec(r,c)[RC_LENGTH] = rc_data(w0);
+#else
+#define d_1(t,n,b,e)       EXTERN ALIGN CONST XP_DIR t n[256]
+#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256]
+EXTERN ALIGN CONST uint_32t t_dec(r,c)[RC_LENGTH];
+#endif
+
+#if defined( SBX_SET )
+    d_1(uint_8t, t_dec(s,box), sb_data, h0);
+#endif
+#if defined( ISB_SET )
+    d_1(uint_8t, t_dec(i,box), isb_data, h0);
+#endif
+
+#if defined( FT1_SET )
+    d_1(uint_32t, t_dec(f,n), sb_data, u0);
+#endif
+#if defined( FT4_SET )
+    d_4(uint_32t, t_dec(f,n), sb_data, u0, u1, u2, u3);
+#endif
+
+#if defined( FL1_SET )
+    d_1(uint_32t, t_dec(f,l), sb_data, w0);
+#endif
+#if defined( FL4_SET )
+    d_4(uint_32t, t_dec(f,l), sb_data, w0, w1, w2, w3);
+#endif
+
+#if defined( IT1_SET )
+    d_1(uint_32t, t_dec(i,n), isb_data, v0);
+#endif
+#if defined( IT4_SET )
+    d_4(uint_32t, t_dec(i,n), isb_data, v0, v1, v2, v3);
+#endif
+
+#if defined( IL1_SET )
+    d_1(uint_32t, t_dec(i,l), isb_data, w0);
+#endif
+#if defined( IL4_SET )
+    d_4(uint_32t, t_dec(i,l), isb_data, w0, w1, w2, w3);
+#endif
+
+#if defined( LS1_SET )
+#if defined( FL1_SET )
+#undef  LS1_SET
+#else
+    d_1(uint_32t, t_dec(l,s), sb_data, w0);
+#endif
+#endif
+
+#if defined( LS4_SET )
+#if defined( FL4_SET )
+#undef  LS4_SET
+#else
+    d_4(uint_32t, t_dec(l,s), sb_data, w0, w1, w2, w3);
+#endif
+#endif
+
+#if defined( IM1_SET )
+    d_1(uint_32t, t_dec(i,m), mm_data, v0);
+#endif
+#if defined( IM4_SET )
+    d_4(uint_32t, t_dec(i,m), mm_data, v0, v1, v2, v3);
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/brg_endian.h

@@ -0,0 +1,126 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#ifndef _BRG_ENDIAN_H
+#define _BRG_ENDIAN_H
+
+#define IS_BIG_ENDIAN      4321 /* byte 0 is most significant (mc68k) */
+#define IS_LITTLE_ENDIAN   1234 /* byte 0 is least significant (i386) */
+
+/* Include files where endian defines and byteswap functions may reside */
+#if defined( __sun )
+#  include <sys/isa_defs.h>
+#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ )
+#  include <sys/endian.h>
+#elif defined( BSD ) && ( BSD >= 199103 ) || defined( __APPLE__ ) || \
+      defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ )
+#  include <machine/endian.h>
+#elif defined( __linux__ ) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ )
+#  if !defined( __MINGW32__ ) && !defined( _AIX )
+#    include <endian.h>
+#    if !defined( __BEOS__ )
+#      include <byteswap.h>
+#    endif
+#  endif
+#endif
+
+/* Now attempt to set the define for platform byte order using any  */
+/* of the four forms SYMBOL, _SYMBOL, __SYMBOL & __SYMBOL__, which  */
+/* seem to encompass most endian symbol definitions                 */
+
+#if defined( BIG_ENDIAN ) && defined( LITTLE_ENDIAN )
+#  if defined( BYTE_ORDER ) && BYTE_ORDER == BIG_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#  elif defined( BYTE_ORDER ) && BYTE_ORDER == LITTLE_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#  endif
+#elif defined( BIG_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#elif defined( LITTLE_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#endif
+
+#if defined( _BIG_ENDIAN ) && defined( _LITTLE_ENDIAN )
+#  if defined( _BYTE_ORDER ) && _BYTE_ORDER == _BIG_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#  elif defined( _BYTE_ORDER ) && _BYTE_ORDER == _LITTLE_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#  endif
+#elif defined( _BIG_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#elif defined( _LITTLE_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#endif
+
+#if defined( __BIG_ENDIAN ) && defined( __LITTLE_ENDIAN )
+#  if defined( __BYTE_ORDER ) && __BYTE_ORDER == __BIG_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#  elif defined( __BYTE_ORDER ) && __BYTE_ORDER == __LITTLE_ENDIAN
+#    define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#  endif
+#elif defined( __BIG_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#elif defined( __LITTLE_ENDIAN )
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#endif
+
+#if defined( __BIG_ENDIAN__ ) && defined( __LITTLE_ENDIAN__ )
+#  if defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __BIG_ENDIAN__
+#    define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#  elif defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __LITTLE_ENDIAN__
+#    define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#  endif
+#elif defined( __BIG_ENDIAN__ )
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#elif defined( __LITTLE_ENDIAN__ )
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#endif
+
+/*  if the platform byte order could not be determined, then try to */
+/*  set this define using common machine defines                    */
+#if !defined(PLATFORM_BYTE_ORDER)
+
+#if   defined( __alpha__ ) || defined( __alpha ) || defined( i386 )       || \
+      defined( __i386__ )  || defined( _M_I86 )  || defined( _M_IX86 )    || \
+      defined( __OS2__ )   || defined( sun386 )  || defined( __TURBOC__ ) || \
+      defined( vax )       || defined( vms )     || defined( VMS )        || \
+      defined( __VMS )     || defined( _M_X64 )
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+
+#elif defined( AMIGA )   || defined( applec )    || defined( __AS400__ )  || \
+      defined( _CRAY )   || defined( __hppa )    || defined( __hp9000 )   || \
+      defined( ibm370 )  || defined( mc68000 )   || defined( m68k )       || \
+      defined( __MRC__ ) || defined( __MVS__ )   || defined( __MWERKS__ ) || \
+      defined( sparc )   || defined( __sparc)    || defined( SYMANTEC_C ) || \
+      defined( __VOS__ ) || defined( __TIGCC__ ) || defined( __TANDEM )   || \
+      defined( THINK_C ) || defined( __VMCMS__ ) || defined( _AIX )
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+
+#elif 0     /* **** EDIT HERE IF NECESSARY **** */
+#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+#elif 0     /* **** EDIT HERE IF NECESSARY **** */
+#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+#else
+#  error Please edit lines 126 or 128 in brg_endian.h to set the platform byte order
+#endif
+
+#endif
+
+#endif

SSZipArchive/aes/brg_types.h

@@ -0,0 +1,219 @@
+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+
+ The unsigned integer types defined here are of the form uint_<nn>t where
+ <nn> is the length of the type; for example, the unsigned 32-bit type is
+ 'uint_32t'.  These are NOT the same as the 'C99 integer types' that are
+ defined in the inttypes.h and stdint.h headers since attempts to use these
+ types have shown that support for them is still highly variable.  However,
+ since the latter are of the form uint<nn>_t, a regular expression search
+ and replace (in VC++ search on 'uint_{:z}t' and replace with 'uint\1_t')
+ can be used to convert the types used here to the C99 standard types.
+*/
+
+#ifndef _BRG_TYPES_H
+#define _BRG_TYPES_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#include <limits.h>
+
+#if defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
+#  include <stddef.h>
+#  define ptrint_t intptr_t
+#elif defined( __ECOS__ )
+#  define intptr_t unsigned int
+#  define ptrint_t intptr_t
+#elif defined( __GNUC__ ) && ( __GNUC__ >= 3 )
+#  include <stdint.h>
+#  define ptrint_t intptr_t
+#else
+#  define ptrint_t int
+#endif
+
+#ifndef BRG_UI8
+#  define BRG_UI8
+#  if UCHAR_MAX == 255u
+     typedef unsigned char uint_8t;
+#  else
+#    error Please define uint_8t as an 8-bit unsigned integer type in brg_types.h
+#  endif
+#endif
+
+#ifndef BRG_UI16
+#  define BRG_UI16
+#  if USHRT_MAX == 65535u
+     typedef unsigned short uint_16t;
+#  else
+#    error Please define uint_16t as a 16-bit unsigned short type in brg_types.h
+#  endif
+#endif
+
+#ifndef BRG_UI32
+#  define BRG_UI32
+#  if UINT_MAX == 4294967295u
+#    define li_32(h) 0x##h##u
+     typedef unsigned int uint_32t;
+#  elif ULONG_MAX == 4294967295u
+#    define li_32(h) 0x##h##ul
+     typedef unsigned long uint_32t;
+#  elif defined( _CRAY )
+#    error This code needs 32-bit data types, which Cray machines do not provide
+#  else
+#    error Please define uint_32t as a 32-bit unsigned integer type in brg_types.h
+#  endif
+#endif
+
+#ifndef BRG_UI64
+#  if defined( __BORLANDC__ ) && !defined( __MSDOS__ )
+#    define BRG_UI64
+#    define li_64(h) 0x##h##ui64
+     typedef unsigned __int64 uint_64t;
+#  elif defined( _MSC_VER ) && ( _MSC_VER < 1300 )    /* 1300 == VC++ 7.0 */
+#    define BRG_UI64
+#    define li_64(h) 0x##h##ui64
+     typedef unsigned __int64 uint_64t;
+#  elif defined( __sun ) && defined( ULONG_MAX ) && ULONG_MAX == 0xfffffffful
+#    define BRG_UI64
+#    define li_64(h) 0x##h##ull
+     typedef unsigned long long uint_64t;
+#  elif defined( __MVS__ )
+#    define BRG_UI64
+#    define li_64(h) 0x##h##ull
+     typedef unsigned int long long uint_64t;
+#  elif defined( UINT_MAX ) && UINT_MAX > 4294967295u
+#    if UINT_MAX == 18446744073709551615u
+#      define BRG_UI64
+#      define li_64(h) 0x##h##u
+       typedef unsigned int uint_64t;
+#    endif
+#  elif defined( ULONG_MAX ) && ULONG_MAX > 4294967295u
+#    if ULONG_MAX == 18446744073709551615ul
+#      define BRG_UI64
+#      define li_64(h) 0x##h##ul
+       typedef unsigned long uint_64t;
+#    endif
+#  elif defined( ULLONG_MAX ) && ULLONG_MAX > 4294967295u
+#    if ULLONG_MAX == 18446744073709551615ull
+#      define BRG_UI64
+#      define li_64(h) 0x##h##ull
+       typedef unsigned long long uint_64t;
+#    endif
+#  elif defined( ULONG_LONG_MAX ) && ULONG_LONG_MAX > 4294967295u
+#    if ULONG_LONG_MAX == 18446744073709551615ull
+#      define BRG_UI64
+#      define li_64(h) 0x##h##ull
+       typedef unsigned long long uint_64t;
+#    endif
+#  endif
+#endif
+
+#if !defined( BRG_UI64 )
+#  if defined( NEED_UINT_64T )
+#    error Please define uint_64t as an unsigned 64 bit type in brg_types.h
+#  endif
+#endif
+
+#ifndef RETURN_VALUES
+#  define RETURN_VALUES
+#  if defined( DLL_EXPORT )
+#    if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
+#      define VOID_RETURN    __declspec( dllexport ) void __stdcall
+#      define INT_RETURN     __declspec( dllexport ) int  __stdcall
+#    elif defined( __GNUC__ )
+#      define VOID_RETURN    __declspec( __dllexport__ ) void
+#      define INT_RETURN     __declspec( __dllexport__ ) int
+#    else
+#      error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
+#    endif
+#  elif defined( DLL_IMPORT )
+#    if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
+#      define VOID_RETURN    __declspec( dllimport ) void __stdcall
+#      define INT_RETURN     __declspec( dllimport ) int  __stdcall
+#    elif defined( __GNUC__ )
+#      define VOID_RETURN    __declspec( __dllimport__ ) void
+#      define INT_RETURN     __declspec( __dllimport__ ) int
+#    else
+#      error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
+#    endif
+#  elif defined( __WATCOMC__ )
+#    define VOID_RETURN  void __cdecl
+#    define INT_RETURN   int  __cdecl
+#  else
+#    define VOID_RETURN  void
+#    define INT_RETURN   int
+#  endif
+#endif
+
+/*	These defines are used to detect and set the memory alignment of pointers.
+    Note that offsets are in bytes.
+
+    ALIGN_OFFSET(x,n)			return the positive or zero offset of 
+                                the memory addressed by the pointer 'x' 
+                                from an address that is aligned on an 
+                                'n' byte boundary ('n' is a power of 2)
+
+    ALIGN_FLOOR(x,n)			return a pointer that points to memory
+                                that is aligned on an 'n' byte boundary 
+                                and is not higher than the memory address
+                                pointed to by 'x' ('n' is a power of 2)
+
+    ALIGN_CEIL(x,n)				return a pointer that points to memory
+                                that is aligned on an 'n' byte boundary 
+                                and is not lower than the memory address
+                                pointed to by 'x' ('n' is a power of 2)
+*/
+
+#define ALIGN_OFFSET(x,n)	(((ptrint_t)(x)) & ((n) - 1))
+#define ALIGN_FLOOR(x,n)	((uint_8t*)(x) - ( ((ptrint_t)(x)) & ((n) - 1)))
+#define ALIGN_CEIL(x,n)		((uint_8t*)(x) + (-((ptrint_t)(x)) & ((n) - 1)))
+
+/*  These defines are used to declare buffers in a way that allows
+    faster operations on longer variables to be used.  In all these
+    defines 'size' must be a power of 2 and >= 8. NOTE that the 
+    buffer size is in bytes but the type length is in bits
+
+    UNIT_TYPEDEF(x,size)        declares a variable 'x' of length 
+                                'size' bits
+
+    BUFR_TYPEDEF(x,size,bsize)  declares a buffer 'x' of length 'bsize' 
+                                bytes defined as an array of variables
+                                each of 'size' bits (bsize must be a 
+                                multiple of size / 8)
+
+    UNIT_CAST(x,size)           casts a variable to a type of 
+                                length 'size' bits
+
+    UPTR_CAST(x,size)           casts a pointer to a pointer to a 
+                                varaiable of length 'size' bits
+*/
+
+#define UI_TYPE(size)               uint_##size##t
+#define UNIT_TYPEDEF(x,size)        typedef UI_TYPE(size) x
+#define BUFR_TYPEDEF(x,size,bsize)  typedef UI_TYPE(size) x[bsize / (size >> 3)]
+#define UNIT_CAST(x,size)           ((UI_TYPE(size) )(x))  
+#define UPTR_CAST(x,size)           ((UI_TYPE(size)*)(x))
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/entropy.c

@@ -0,0 +1,54 @@
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#ifdef _WIN32
+int entropy_fun(unsigned char buf[], unsigned int len)
+{
+    HCRYPTPROV provider;
+    unsigned __int64 pentium_tsc[1];
+    unsigned int i;
+    int result = 0;
+
+
+    if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
+    {
+        result = CryptGenRandom(provider, len, buf);
+        CryptReleaseContext(provider, 0);
+        if (result)
+            return len;
+    }
+
+    QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
+
+    for(i = 0; i < 8 && i < len; ++i)
+        buf[i] = ((unsigned char*)pentium_tsc)[i];
+
+    return i;
+}
+#else
+int entropy_fun(unsigned char buf[], unsigned int len)
+{
+    int frand = open("/dev/random", O_RDONLY);
+    int rlen = 0;
+    if (frand != -1)
+    {
+        rlen = (int)read(frand, buf, len);
+        close(frand);
+    }
+    return rlen;
+}
+#endif
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/entropy.h

@@ -0,0 +1,16 @@
+
+#ifndef _ENTROPY_FUN_H
+#define _ENTROPY_FUN_H
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+int entropy_fun(unsigned char buf[], unsigned int len);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/fileenc.c

@@ -0,0 +1,144 @@
+/*
+   ---------------------------------------------------------------------------
+   Copyright (c) 2002, Dr Brian Gladman <                 >, Worcester, UK.
+   All rights reserved.
+
+   LICENSE TERMS
+
+   The free distribution and use of this software in both source and binary
+   form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+   ALTERNATIVELY, provided that this notice is retained in full, this product
+   may be distributed under the terms of the GNU General Public License (GPL),
+   in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+   DISCLAIMER
+
+   This software is provided 'as is' with no explicit or implied warranties
+   in respect of its properties, including, but not limited to, correctness
+   and/or fitness for purpose.
+   -------------------------------------------------------------------------
+   Issue Date: 24/01/2003
+
+   This file implements password based file encryption and authentication
+   using AES in CTR mode, HMAC-SHA1 authentication and RFC2898 password
+   based key derivation.
+
+ */
+
+#include <memory.h>
+
+#include "fileenc.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* subroutine for data encryption/decryption    */
+/* this could be speeded up a lot by aligning   */
+/* buffers and using 32 bit operations          */
+
+static void encr_data(unsigned char data[], unsigned long d_len, fcrypt_ctx cx[1])
+{
+    unsigned long i = 0, pos = cx->encr_pos;
+
+    while (i < d_len) {
+        if (pos == AES_BLOCK_SIZE) {
+            unsigned int j = 0;
+            /* increment encryption nonce   */
+            while (j < 8 && !++cx->nonce[j])
+                ++j;
+            /* encrypt the nonce to form next xor buffer    */
+            aes_encrypt(cx->nonce, cx->encr_bfr, cx->encr_ctx);
+            pos = 0;
+        }
+
+        data[i++] ^= cx->encr_bfr[pos++];
+    }
+
+    cx->encr_pos = (unsigned int)pos;
+}
+
+int fcrypt_init(
+    int mode,                               /* the mode to be used (input)          */
+    const unsigned char pwd[],              /* the user specified password (input)  */
+    unsigned int pwd_len,                   /* the length of the password (input)   */
+    const unsigned char salt[],             /* the salt (input)                     */
+#ifdef PASSWORD_VERIFIER
+    unsigned char pwd_ver[PWD_VER_LENGTH],  /* 2 byte password verifier (output)    */
+#endif
+    fcrypt_ctx cx[1])                       /* the file encryption context (output) */
+{
+    unsigned char kbuf[2 * MAX_KEY_LENGTH + PWD_VER_LENGTH];
+
+    if (pwd_len > MAX_PWD_LENGTH)
+        return PASSWORD_TOO_LONG;
+
+    if (mode < 1 || mode > 3)
+        return BAD_MODE;
+
+    cx->mode = mode;
+    cx->pwd_len = pwd_len;
+
+    /* derive the encryption and authentication keys and the password verifier   */
+    derive_key(pwd, pwd_len, salt, SALT_LENGTH(mode), KEYING_ITERATIONS,
+               kbuf, 2 * KEY_LENGTH(mode) + PWD_VER_LENGTH);
+
+    /* initialise the encryption nonce and buffer pos   */
+    cx->encr_pos = AES_BLOCK_SIZE;
+    /* if we need a random component in the encryption  */
+    /* nonce, this is where it would have to be set     */
+    memset(cx->nonce, 0, AES_BLOCK_SIZE * sizeof(unsigned char));
+
+    /* initialise for encryption using key 1            */
+    aes_encrypt_key(kbuf, KEY_LENGTH(mode), cx->encr_ctx);
+
+    /* initialise for authentication using key 2        */
+    hmac_sha_begin(cx->auth_ctx);
+    hmac_sha_key(kbuf + KEY_LENGTH(mode), KEY_LENGTH(mode), cx->auth_ctx);
+
+#ifdef PASSWORD_VERIFIER
+    memcpy(pwd_ver, kbuf + 2 * KEY_LENGTH(mode), PWD_VER_LENGTH);
+#endif
+
+    return GOOD_RETURN;
+}
+
+/* perform 'in place' encryption and authentication */
+
+void fcrypt_encrypt(unsigned char data[], unsigned int data_len, fcrypt_ctx cx[1])
+{
+    encr_data(data, data_len, cx);
+    hmac_sha_data(data, data_len, cx->auth_ctx);
+}
+
+/* perform 'in place' authentication and decryption */
+
+void fcrypt_decrypt(unsigned char data[], unsigned int data_len, fcrypt_ctx cx[1])
+{
+    hmac_sha_data(data, data_len, cx->auth_ctx);
+    encr_data(data, data_len, cx);
+}
+
+/* close encryption/decryption and return the MAC value */
+
+int fcrypt_end(unsigned char mac[], fcrypt_ctx cx[1])
+{
+    hmac_sha_end(mac, MAC_LENGTH(cx->mode), cx->auth_ctx);
+    return MAC_LENGTH(cx->mode);    /* return MAC length in bytes   */
+}
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/fileenc.h

@@ -0,0 +1,121 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman <                 >, Worcester, UK.
+ All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 24/01/2003
+
+ This file contains the header file for fileenc.c, which implements password
+ based file encryption and authentication using AES in CTR mode, HMAC-SHA1 
+ authentication and RFC2898 password based key derivation.
+*/
+
+#ifndef _FENC_H
+#define _FENC_H
+
+#include "aes.h"
+#include "hmac.h"
+#include "pwd2key.h"
+
+#define PASSWORD_VERIFIER
+
+#define MAX_KEY_LENGTH        32
+#define MAX_PWD_LENGTH       128
+#define MAX_SALT_LENGTH       16
+#define KEYING_ITERATIONS   1000
+
+#ifdef  PASSWORD_VERIFIER
+#define PWD_VER_LENGTH         2
+#else
+#define PWD_VER_LENGTH         0
+#endif
+
+#define GOOD_RETURN            0
+#define PASSWORD_TOO_LONG   -100
+#define BAD_MODE            -101
+
+/*
+    Field lengths (in bytes) versus File Encryption Mode (0 < mode < 4)
+
+    Mode Key Salt  MAC Overhead
+       1  16    8   10       18
+       2  24   12   10       22
+       3  32   16   10       26
+
+   The following macros assume that the mode value is correct.
+*/
+
+#define KEY_LENGTH(mode)        (8 * (mode & 3) + 8)
+#define SALT_LENGTH(mode)       (4 * (mode & 3) + 4)
+#define MAC_LENGTH(mode)        (10)
+
+/* the context for file encryption   */
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+typedef struct
+{   unsigned char   nonce[AES_BLOCK_SIZE];      /* the CTR nonce          */
+    unsigned char   encr_bfr[AES_BLOCK_SIZE];   /* encrypt buffer         */
+    aes_encrypt_ctx encr_ctx[1];                /* encryption context     */
+    hmac_ctx        auth_ctx[1];                /* authentication context */
+    unsigned int    encr_pos;                   /* block position (enc)   */
+    unsigned int    pwd_len;                    /* password length        */
+    unsigned int    mode;                       /* File encryption mode   */
+} fcrypt_ctx;
+
+/* initialise file encryption or decryption */
+
+int fcrypt_init(
+    int mode,                               /* the mode to be used (input)          */
+    const unsigned char pwd[],              /* the user specified password (input)  */
+    unsigned int pwd_len,                   /* the length of the password (input)   */
+    const unsigned char salt[],             /* the salt (input)                     */
+#ifdef PASSWORD_VERIFIER
+    unsigned char pwd_ver[PWD_VER_LENGTH],  /* 2 byte password verifier (output)    */
+#endif
+    fcrypt_ctx      cx[1]);                 /* the file encryption context (output) */
+
+/* perform 'in place' encryption or decryption and authentication               */
+
+void fcrypt_encrypt(unsigned char data[], unsigned int data_len, fcrypt_ctx cx[1]);
+void fcrypt_decrypt(unsigned char data[], unsigned int data_len, fcrypt_ctx cx[1]);
+
+/* close encryption/decryption and return the MAC value */
+/* the return value is the length of the MAC            */
+
+int fcrypt_end(unsigned char mac[],     /* the MAC value (output)   */
+               fcrypt_ctx cx[1]);       /* the context (input)      */
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/hmac.c

@@ -0,0 +1,145 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 26/08/2003
+
+ This is an implementation of HMAC, the FIPS standard keyed hash function
+*/
+
+#include "hmac.h"
+#include "brg_types.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* initialise the HMAC context to zero */
+void hmac_sha_begin(hmac_ctx cx[1])
+{
+    memset(cx, 0, sizeof(hmac_ctx));
+}
+
+/* input the HMAC key (can be called multiple times)    */
+int hmac_sha_key(const unsigned char key[], unsigned long key_len, hmac_ctx cx[1])
+{
+    if(cx->klen == HMAC_IN_DATA)                /* error if further key input   */
+        return HMAC_BAD_MODE;                   /* is attempted in data mode    */
+
+    if(cx->klen + key_len > HASH_INPUT_SIZE)    /* if the key has to be hashed  */
+    {
+        if(cx->klen <= HASH_INPUT_SIZE)         /* if the hash has not yet been */
+        {                                       /* started, initialise it and   */
+            sha_begin(cx->ctx);                 /* hash stored key characters   */
+            sha_hash(cx->key, cx->klen, cx->ctx);
+        }
+
+        sha_hash(key, key_len, cx->ctx);       /* hash long key data into hash */
+    }
+    else                                        /* otherwise store key data     */
+        memcpy(cx->key + cx->klen, key, key_len);
+
+    cx->klen += key_len;                        /* update the key length count  */
+    return HMAC_OK;
+}
+
+/* input the HMAC data (can be called multiple times) - */
+/* note that this call terminates the key input phase   */
+void hmac_sha_data(const unsigned char data[], unsigned long data_len, hmac_ctx cx[1])
+{   unsigned int i;
+
+    if(cx->klen != HMAC_IN_DATA)                /* if not yet in data phase */
+    {
+        if(cx->klen > HASH_INPUT_SIZE)          /* if key is being hashed   */
+        {                                       /* complete the hash and    */
+            sha_end(cx->key, cx->ctx);          /* store the result as the  */
+            cx->klen = HASH_OUTPUT_SIZE;        /* key and set new length   */
+        }
+
+        /* pad the key if necessary */
+        memset(cx->key + cx->klen, 0, HASH_INPUT_SIZE - cx->klen);
+
+        /* xor ipad into key value  */
+        for(i = 0; i < (HASH_INPUT_SIZE >> 2); ++i)
+            ((uint_32t*)cx->key)[i] ^= 0x36363636;
+
+        /* and start hash operation */
+        sha_begin(cx->ctx);
+        sha_hash(cx->key, HASH_INPUT_SIZE, cx->ctx);
+
+        /* mark as now in data mode */
+        cx->klen = HMAC_IN_DATA;
+    }
+
+    /* hash the data (if any)       */
+    if(data_len)
+        sha_hash(data, data_len, cx->ctx);
+}
+
+/* compute and output the MAC value */
+void hmac_sha_end(unsigned char mac[], unsigned long mac_len, hmac_ctx cx[1])
+{   unsigned char dig[HASH_OUTPUT_SIZE];
+    unsigned int i;
+
+    /* if no data has been entered perform a null data phase        */
+    if(cx->klen != HMAC_IN_DATA)
+        hmac_sha_data((const unsigned char*)0, 0, cx);
+
+    sha_end(dig, cx->ctx);         /* complete the inner hash       */
+
+    /* set outer key value using opad and removing ipad */
+    for(i = 0; i < (HASH_INPUT_SIZE >> 2); ++i)
+        ((uint_32t*)cx->key)[i] ^= 0x36363636 ^ 0x5c5c5c5c;
+
+    /* perform the outer hash operation */
+    sha_begin(cx->ctx);
+    sha_hash(cx->key, HASH_INPUT_SIZE, cx->ctx);
+    sha_hash(dig, HASH_OUTPUT_SIZE, cx->ctx);
+    sha_end(dig, cx->ctx);
+
+    /* output the hash value            */
+    for(i = 0; i < mac_len; ++i)
+        mac[i] = dig[i];
+}
+
+/* 'do it all in one go' subroutine     */
+void hmac_sha(const unsigned char key[], unsigned long key_len,
+          const unsigned char data[], unsigned long data_len,
+          unsigned char mac[], unsigned long mac_len)
+{   hmac_ctx    cx[1];
+
+    hmac_sha_begin(cx);
+    hmac_sha_key(key, key_len, cx);
+    hmac_sha_data(data, data_len, cx);
+    hmac_sha_end(mac, mac_len, cx);
+}
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/hmac.h

@@ -0,0 +1,103 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 26/08/2003
+
+ This is an implementation of HMAC, the FIPS standard keyed hash function
+*/
+
+#ifndef _HMAC_H
+#define _HMAC_H
+
+#include <memory.h>
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#define USE_SHA1
+
+#if !defined(USE_SHA1) && !defined(USE_SHA256)
+#error define USE_SHA1 or USE_SHA256 to set the HMAC hash algorithm
+#endif
+
+#ifdef USE_SHA1
+
+#include "sha1.h"
+
+#define HASH_INPUT_SIZE     SHA1_BLOCK_SIZE
+#define HASH_OUTPUT_SIZE    SHA1_DIGEST_SIZE
+#define sha_ctx             sha1_ctx
+#define sha_begin           sha1_begin
+#define sha_hash            sha1_hash
+#define sha_end             sha1_end
+
+#endif
+
+#ifdef USE_SHA256
+
+#include "sha2.h"
+
+#define HASH_INPUT_SIZE     SHA256_BLOCK_SIZE
+#define HASH_OUTPUT_SIZE    SHA256_DIGEST_SIZE
+#define sha_ctx             sha256_ctx
+#define sha_begin           sha256_begin
+#define sha_hash            sha256_hash
+#define sha_end             sha256_end
+
+#endif
+
+#define HMAC_OK                0
+#define HMAC_BAD_MODE         -1
+#define HMAC_IN_DATA  0xffffffff
+
+typedef struct
+{   unsigned char   key[HASH_INPUT_SIZE];
+    sha_ctx         ctx[1];
+    unsigned long   klen;
+} hmac_ctx;
+
+void hmac_sha_begin(hmac_ctx cx[1]);
+
+int  hmac_sha_key(const unsigned char key[], unsigned long key_len, hmac_ctx cx[1]);
+
+void hmac_sha_data(const unsigned char data[], unsigned long data_len, hmac_ctx cx[1]);
+
+void hmac_sha_end(unsigned char mac[], unsigned long mac_len, hmac_ctx cx[1]);
+
+void hmac_sha(const unsigned char key[], unsigned long key_len,
+          const unsigned char data[], unsigned long data_len,
+          unsigned char mac[], unsigned long mac_len);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/prng.c

@@ -0,0 +1,155 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman <                 >, Worcester, UK.
+ All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 24/01/2003
+
+ This file implements a random data pool based on the use of an external
+ entropy function.  It is based on the ideas advocated by Peter Gutmann in
+ his work on pseudo random sequence generators.  It is not a 'paranoid'
+ random sequence generator and no attempt is made to protect the pool
+ from prying eyes either by memory locking or by techniques to obscure
+ its location in memory.
+*/
+
+#include <memory.h>
+#include "prng.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* mix a random data pool using the SHA1 compression function (as   */
+/* suggested by Peter Gutmann in his paper on random pools)         */
+
+static void prng_mix(unsigned char buf[])
+{   unsigned int    i, len;
+    sha1_ctx        ctx[1];
+
+    /*lint -e{663}  unusual array to pointer conversion */
+    for(i = 0; i < PRNG_POOL_SIZE; i += SHA1_DIGEST_SIZE)
+    {
+        /* copy digest size pool block into SHA1 hash block */
+        memcpy(ctx->hash, buf + (i ? i : PRNG_POOL_SIZE)
+                            - SHA1_DIGEST_SIZE, SHA1_DIGEST_SIZE);
+
+        /* copy data from pool into the SHA1 data buffer    */
+        len = PRNG_POOL_SIZE - i;
+        memcpy(ctx->wbuf, buf + i, (len > SHA1_BLOCK_SIZE ? SHA1_BLOCK_SIZE : len));
+
+        if(len < SHA1_BLOCK_SIZE)
+            memcpy(((char*)ctx->wbuf) + len, buf, SHA1_BLOCK_SIZE - len);
+
+        /* compress using the SHA1 compression function     */
+        sha1_compile(ctx);
+
+        /* put digest size block back into the random pool  */
+        memcpy(buf + i, ctx->hash, SHA1_DIGEST_SIZE);
+    }
+}
+
+/* refresh the output buffer and update the random pool by adding   */
+/* entropy and remixing                                             */
+
+static void update_pool(prng_ctx ctx[1])
+{   unsigned int    i = 0;
+
+    /* transfer random pool data to the output buffer   */
+    memcpy(ctx->obuf, ctx->rbuf, PRNG_POOL_SIZE);
+
+    /* enter entropy data into the pool */
+    while(i < PRNG_POOL_SIZE)
+        i += ctx->entropy(ctx->rbuf + i, PRNG_POOL_SIZE - i);
+
+    /* invert and xor the original pool data into the pool  */
+    for(i = 0; i < PRNG_POOL_SIZE; ++i)
+        ctx->rbuf[i] ^= ~ctx->obuf[i];
+
+    /* mix the pool and the output buffer   */
+    prng_mix(ctx->rbuf);
+    prng_mix(ctx->obuf);
+}
+
+void prng_init(prng_entropy_fn fun, prng_ctx ctx[1])
+{   int i;
+
+    /* clear the buffers and the counter in the context     */
+    memset(ctx, 0, sizeof(prng_ctx));
+
+    /* set the pointer to the entropy collection function   */
+    ctx->entropy = fun;
+
+    /* initialise the random data pool                      */
+    update_pool(ctx);
+
+    /* mix the pool a minimum number of times               */
+    for(i = 0; i < PRNG_MIN_MIX; ++i)
+        prng_mix(ctx->rbuf);
+
+    /* update the pool to prime the pool output buffer      */
+    update_pool(ctx);
+}
+
+/* provide random bytes from the random data pool   */
+
+void prng_rand(unsigned char data[], unsigned int data_len, prng_ctx ctx[1])
+{   unsigned char   *rp = data;
+    unsigned int    len, pos = ctx->pos;
+
+    while(data_len)
+    {
+        /* transfer 'data_len' bytes (or the number of bytes remaining  */
+        /* the pool output buffer if less) into the output              */
+        len = (data_len < PRNG_POOL_SIZE - pos ? data_len : PRNG_POOL_SIZE - pos);
+        memcpy(rp, ctx->obuf + pos, len);
+        rp += len;          /* update ouput buffer position pointer     */
+        pos += len;         /* update pool output buffer pointer        */
+        data_len -= len;    /* update the remaining data count          */
+
+        /* refresh the random pool if necessary */
+        if(pos == PRNG_POOL_SIZE)
+        {
+            update_pool(ctx); pos = 0;
+        }
+    }
+
+    ctx->pos = pos;
+}
+
+void prng_end(prng_ctx ctx[1])
+{
+    /* ensure the data in the context is destroyed  */
+    memset(ctx, 0, sizeof(prng_ctx));
+}
+
+#if defined(__cplusplus)
+}
+#endif
+

SSZipArchive/aes/prng.h

@@ -0,0 +1,82 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman <                 >, Worcester, UK.
+ All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 24/01/2003
+
+ This is the header file for an implementation of a random data pool based on
+ the use of an external entropy function (inspired by Peter Gutmann's work).
+*/
+
+#ifndef _PRNG_H
+#define _PRNG_H
+
+#include "sha1.h"
+
+#define PRNG_POOL_LEN    256    /* minimum random pool size             */
+#define PRNG_MIN_MIX      20    /* min initial pool mixing iterations   */
+
+/* ensure that pool length is a multiple of the SHA1 digest size        */
+
+#define PRNG_POOL_SIZE  (SHA1_DIGEST_SIZE * (1 + (PRNG_POOL_LEN - 1) / SHA1_DIGEST_SIZE))
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* A function for providing entropy is a parameter in the prng_init()   */
+/* call.  This function has the following form and returns a maximum    */
+/* of 'len' bytes of pseudo random data in the buffer 'buf'.  It can    */
+/* return less than 'len' bytes but will be repeatedly called for more  */
+/* data in this case.                                                   */
+
+typedef int (*prng_entropy_fn)(unsigned char buf[], unsigned int len);
+
+typedef struct
+{   unsigned char   rbuf[PRNG_POOL_SIZE];   /* the random pool          */
+    unsigned char   obuf[PRNG_POOL_SIZE];   /* pool output buffer       */
+    unsigned int    pos;                    /* output buffer position   */
+    prng_entropy_fn entropy;                /* entropy function pointer */
+} prng_ctx;
+
+/* initialise the random stream generator   */
+void prng_init(prng_entropy_fn fun, prng_ctx ctx[1]);
+
+/* obtain random bytes from the generator   */
+void prng_rand(unsigned char data[], unsigned int data_len, prng_ctx ctx[1]);
+
+/* close the random stream generator        */
+void prng_end(prng_ctx ctx[1]);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/pwd2key.c

@@ -0,0 +1,193 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 26/08/2003
+
+ This is an implementation of RFC2898, which specifies key derivation from
+ a password and a salt value.
+*/
+
+#include <memory.h>
+#include "hmac.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+void derive_key(const unsigned char pwd[],  /* the PASSWORD     */
+               unsigned int pwd_len,        /* and its length   */
+               const unsigned char salt[],  /* the SALT and its */
+               unsigned int salt_len,       /* length           */
+               unsigned int iter,   /* the number of iterations */
+               unsigned char key[], /* space for the output key */
+               unsigned int key_len)/* and its required length  */
+{
+    unsigned int    i, j, k, n_blk;
+    unsigned char uu[HASH_OUTPUT_SIZE], ux[HASH_OUTPUT_SIZE];
+    hmac_ctx c1[1], c2[1], c3[1];
+
+    /* set HMAC context (c1) for password               */
+    hmac_sha_begin(c1);
+    hmac_sha_key(pwd, pwd_len, c1);
+
+    /* set HMAC context (c2) for password and salt      */
+    memcpy(c2, c1, sizeof(hmac_ctx));
+    hmac_sha_data(salt, salt_len, c2);
+
+    /* find the number of SHA blocks in the key         */
+    n_blk = 1 + (key_len - 1) / HASH_OUTPUT_SIZE;
+
+    for(i = 0; i < n_blk; ++i) /* for each block in key */
+    {
+        /* ux[] holds the running xor value             */
+        memset(ux, 0, HASH_OUTPUT_SIZE);
+
+        /* set HMAC context (c3) for password and salt  */
+        memcpy(c3, c2, sizeof(hmac_ctx));
+
+        /* enter additional data for 1st block into uu  */
+        uu[0] = (unsigned char)((i + 1) >> 24);
+        uu[1] = (unsigned char)((i + 1) >> 16);
+        uu[2] = (unsigned char)((i + 1) >> 8);
+        uu[3] = (unsigned char)(i + 1);
+
+        /* this is the key mixing iteration         */
+        for(j = 0, k = 4; j < iter; ++j)
+        {
+            /* add previous round data to HMAC      */
+            hmac_sha_data(uu, k, c3);
+
+            /* obtain HMAC for uu[]                 */
+            hmac_sha_end(uu, HASH_OUTPUT_SIZE, c3);
+
+            /* xor into the running xor block       */
+            for(k = 0; k < HASH_OUTPUT_SIZE; ++k)
+                ux[k] ^= uu[k];
+
+            /* set HMAC context (c3) for password   */
+            memcpy(c3, c1, sizeof(hmac_ctx));
+        }
+
+        /* compile key blocks into the key output   */
+        j = 0; k = i * HASH_OUTPUT_SIZE;
+        while(j < HASH_OUTPUT_SIZE && k < key_len)
+            key[k++] = ux[j++];
+    }
+}
+
+#ifdef TEST
+
+#include <stdio.h>
+
+struct
+{   unsigned int    pwd_len;
+    unsigned int    salt_len;
+    unsigned int    it_count;
+    unsigned char   *pwd;
+    unsigned char   salt[32];
+    unsigned char   key[32];
+} tests[] =
+{
+    {   8, 4, 5, (unsigned char*)"password",
+        {   
+            0x12, 0x34, 0x56, 0x78 
+        },
+        {   
+            0x5c, 0x75, 0xce, 0xf0, 0x1a, 0x96, 0x0d, 0xf7,
+            0x4c, 0xb6, 0xb4, 0x9b, 0x9e, 0x38, 0xe6, 0xb5 
+        }
+    },
+    {   8, 8, 5, (unsigned char*)"password",
+        {   
+            0x12, 0x34, 0x56, 0x78, 0x78, 0x56, 0x34, 0x12 
+        },
+        {   
+            0xd1, 0xda, 0xa7, 0x86, 0x15, 0xf2, 0x87, 0xe6,
+            0xa1, 0xc8, 0xb1, 0x20, 0xd7, 0x06, 0x2a, 0x49 
+        }
+    },
+    {   8, 21, 1, (unsigned char*)"password",
+        {
+            "ATHENA.MIT.EDUraeburn"
+        },
+        {
+            0xcd, 0xed, 0xb5, 0x28, 0x1b, 0xb2, 0xf8, 0x01,
+            0x56, 0x5a, 0x11, 0x22, 0xb2, 0x56, 0x35, 0x15
+        }
+    },
+    {   8, 21, 2, (unsigned char*)"password",
+        {
+            "ATHENA.MIT.EDUraeburn"
+        },
+        {
+            0x01, 0xdb, 0xee, 0x7f, 0x4a, 0x9e, 0x24, 0x3e, 
+            0x98, 0x8b, 0x62, 0xc7, 0x3c, 0xda, 0x93, 0x5d
+        }
+    },
+    {   8, 21, 1200, (unsigned char*)"password",
+        {
+            "ATHENA.MIT.EDUraeburn"
+        },
+        {
+            0x5c, 0x08, 0xeb, 0x61, 0xfd, 0xf7, 0x1e, 0x4e, 
+            0x4e, 0xc3, 0xcf, 0x6b, 0xa1, 0xf5, 0x51, 0x2b
+        }
+    }
+};
+
+int main()
+{   unsigned int    i, j, key_len = 256;
+    unsigned char   key[256];
+
+    printf("\nTest of RFC2898 Password Based Key Derivation");
+    for(i = 0; i < 5; ++i)
+    {
+        derive_key(tests[i].pwd, tests[i].pwd_len, tests[i].salt,
+                    tests[i].salt_len, tests[i].it_count, key, key_len);
+
+        printf("\ntest %i: ", i + 1);
+        printf("key %s", memcmp(tests[i].key, key, 16) ? "is bad" : "is good");
+        for(j = 0; j < key_len && j < 64; j += 4)
+        {
+            if(j % 16 == 0)
+                printf("\n");
+            printf("0x%02x%02x%02x%02x ", key[j], key[j + 1], key[j + 2], key[j + 3]);
+        }
+        printf(j < key_len ? " ... \n" : "\n");
+    }
+    printf("\n");
+    return 0;
+}
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/pwd2key.h

@@ -0,0 +1,57 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary 
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright 
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products 
+      built using this software without specific written permission. 
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+ 
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness 
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 26/08/2003
+
+ This is an implementation of RFC2898, which specifies key derivation from
+ a password and a salt value.
+*/
+
+#ifndef PWD2KEY_H
+#define PWD2KEY_H
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+void derive_key(
+        const unsigned char pwd[],   /* the PASSWORD, and   */
+        unsigned int pwd_len,        /*    its length       */ 
+        const unsigned char salt[],  /* the SALT and its    */
+        unsigned int salt_len,       /*    length           */
+        unsigned int iter,      /* the number of iterations */
+        unsigned char key[],    /* space for the output key */
+        unsigned int key_len);  /* and its required length  */
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/aes/sha1.c

@@ -0,0 +1,258 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 01/08/2005
+
+ This is a byte oriented version of SHA1 that operates on arrays of bytes
+ stored in memory.
+*/
+
+#include <string.h>     /* for memcpy() etc.        */
+
+#include "sha1.h"
+#include "brg_endian.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#if defined( _MSC_VER ) && ( _MSC_VER > 800 )
+#pragma intrinsic(memcpy)
+#endif
+
+#if 0 && defined(_MSC_VER)
+#define rotl32  _lrotl
+#define rotr32  _lrotr
+#else
+#define rotl32(x,n)   (((x) << n) | ((x) >> (32 - n)))
+#define rotr32(x,n)   (((x) >> n) | ((x) << (32 - n)))
+#endif
+
+#if !defined(bswap_32)
+#define bswap_32(x) ((rotr32((x), 24) & 0x00ff00ff) | (rotr32((x), 8) & 0xff00ff00))
+#endif
+
+#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
+#define SWAP_BYTES
+#else
+#undef  SWAP_BYTES
+#endif
+
+#if defined(SWAP_BYTES)
+#define bsw_32(p,n) \
+    { int _i = (n); while(_i--) ((uint_32t*)p)[_i] = bswap_32(((uint_32t*)p)[_i]); }
+#else
+#define bsw_32(p,n)
+#endif
+
+#define SHA1_MASK   (SHA1_BLOCK_SIZE - 1)
+
+#if 0
+
+#define ch(x,y,z)       (((x) & (y)) ^ (~(x) & (z)))
+#define parity(x,y,z)   ((x) ^ (y) ^ (z))
+#define maj(x,y,z)      (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+
+#else   /* Discovered by Rich Schroeppel and Colin Plumb   */
+
+#define ch(x,y,z)       ((z) ^ ((x) & ((y) ^ (z))))
+#define parity(x,y,z)   ((x) ^ (y) ^ (z))
+#define maj(x,y,z)      (((x) & (y)) | ((z) & ((x) ^ (y))))
+
+#endif
+
+/* Compile 64 bytes of hash data into SHA1 context. Note    */
+/* that this routine assumes that the byte order in the     */
+/* ctx->wbuf[] at this point is in such an order that low   */
+/* address bytes in the ORIGINAL byte stream will go in     */
+/* this buffer to the high end of 32-bit words on BOTH big  */
+/* and little endian systems                                */
+
+#ifdef ARRAY
+#define q(v,n)  v[n]
+#else
+#define q(v,n)  v##n
+#endif
+
+#define one_cycle(v,a,b,c,d,e,f,k,h)            \
+    q(v,e) += rotr32(q(v,a),27) +               \
+              f(q(v,b),q(v,c),q(v,d)) + k + h;  \
+    q(v,b)  = rotr32(q(v,b), 2)
+
+#define five_cycle(v,f,k,i)                 \
+    one_cycle(v, 0,1,2,3,4, f,k,hf(i  ));   \
+    one_cycle(v, 4,0,1,2,3, f,k,hf(i+1));   \
+    one_cycle(v, 3,4,0,1,2, f,k,hf(i+2));   \
+    one_cycle(v, 2,3,4,0,1, f,k,hf(i+3));   \
+    one_cycle(v, 1,2,3,4,0, f,k,hf(i+4))
+
+VOID_RETURN sha1_compile(sha1_ctx ctx[1])
+{   uint_32t    *w = ctx->wbuf;
+
+#ifdef ARRAY
+    uint_32t    v[5];
+    memcpy(v, ctx->hash, 5 * sizeof(uint_32t));
+#else
+    uint_32t    v0, v1, v2, v3, v4;
+    v0 = ctx->hash[0]; v1 = ctx->hash[1];
+    v2 = ctx->hash[2]; v3 = ctx->hash[3];
+    v4 = ctx->hash[4];
+#endif
+
+#define hf(i)   w[i]
+
+    five_cycle(v, ch, 0x5a827999,  0);
+    five_cycle(v, ch, 0x5a827999,  5);
+    five_cycle(v, ch, 0x5a827999, 10);
+    one_cycle(v,0,1,2,3,4, ch, 0x5a827999, hf(15)); \
+
+#undef  hf
+#define hf(i) (w[(i) & 15] = rotl32(                    \
+                 w[((i) + 13) & 15] ^ w[((i) + 8) & 15] \
+               ^ w[((i) +  2) & 15] ^ w[(i) & 15], 1))
+
+    one_cycle(v,4,0,1,2,3, ch, 0x5a827999, hf(16));
+    one_cycle(v,3,4,0,1,2, ch, 0x5a827999, hf(17));
+    one_cycle(v,2,3,4,0,1, ch, 0x5a827999, hf(18));
+    one_cycle(v,1,2,3,4,0, ch, 0x5a827999, hf(19));
+
+    five_cycle(v, parity, 0x6ed9eba1,  20);
+    five_cycle(v, parity, 0x6ed9eba1,  25);
+    five_cycle(v, parity, 0x6ed9eba1,  30);
+    five_cycle(v, parity, 0x6ed9eba1,  35);
+
+    five_cycle(v, maj, 0x8f1bbcdc,  40);
+    five_cycle(v, maj, 0x8f1bbcdc,  45);
+    five_cycle(v, maj, 0x8f1bbcdc,  50);
+    five_cycle(v, maj, 0x8f1bbcdc,  55);
+
+    five_cycle(v, parity, 0xca62c1d6,  60);
+    five_cycle(v, parity, 0xca62c1d6,  65);
+    five_cycle(v, parity, 0xca62c1d6,  70);
+    five_cycle(v, parity, 0xca62c1d6,  75);
+
+#ifdef ARRAY
+    ctx->hash[0] += v[0]; ctx->hash[1] += v[1];
+    ctx->hash[2] += v[2]; ctx->hash[3] += v[3];
+    ctx->hash[4] += v[4];
+#else
+    ctx->hash[0] += v0; ctx->hash[1] += v1;
+    ctx->hash[2] += v2; ctx->hash[3] += v3;
+    ctx->hash[4] += v4;
+#endif
+}
+
+VOID_RETURN sha1_begin(sha1_ctx ctx[1])
+{
+    ctx->count[0] = ctx->count[1] = 0;
+    ctx->hash[0] = 0x67452301;
+    ctx->hash[1] = 0xefcdab89;
+    ctx->hash[2] = 0x98badcfe;
+    ctx->hash[3] = 0x10325476;
+    ctx->hash[4] = 0xc3d2e1f0;
+}
+
+/* SHA1 hash data in an array of bytes into hash buffer and */
+/* call the hash_compile function as required.              */
+
+VOID_RETURN sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1])
+{   uint_32t pos = (uint_32t)(ctx->count[0] & SHA1_MASK),
+            space = SHA1_BLOCK_SIZE - pos;
+    const unsigned char *sp = data;
+
+    if((ctx->count[0] += len) < len)
+        ++(ctx->count[1]);
+
+    while(len >= space)     /* tranfer whole blocks if possible  */
+    {
+        memcpy(((unsigned char*)ctx->wbuf) + pos, sp, space);
+        sp += space; len -= space; space = SHA1_BLOCK_SIZE; pos = 0;
+        bsw_32(ctx->wbuf, SHA1_BLOCK_SIZE >> 2);
+        sha1_compile(ctx);
+    }
+
+    memcpy(((unsigned char*)ctx->wbuf) + pos, sp, len);
+}
+
+/* SHA1 final padding and digest calculation  */
+
+VOID_RETURN sha1_end(unsigned char hval[], sha1_ctx ctx[1])
+{   uint_32t    i = (uint_32t)(ctx->count[0] & SHA1_MASK);
+
+    /* put bytes in the buffer in an order in which references to   */
+    /* 32-bit words will put bytes with lower addresses into the    */
+    /* top of 32 bit words on BOTH big and little endian machines   */
+    bsw_32(ctx->wbuf, (i + 3) >> 2);
+
+    /* we now need to mask valid bytes and add the padding which is */
+    /* a single 1 bit and as many zero bits as necessary. Note that */
+    /* we can always add the first padding byte here because the    */
+    /* buffer always has at least one empty slot                    */
+    ctx->wbuf[i >> 2] &= 0xffffff80 << 8 * (~i & 3);
+    ctx->wbuf[i >> 2] |= 0x00000080 << 8 * (~i & 3);
+
+    /* we need 9 or more empty positions, one for the padding byte  */
+    /* (above) and eight for the length count. If there is not      */
+    /* enough space, pad and empty the buffer                       */
+    if(i > SHA1_BLOCK_SIZE - 9)
+    {
+        if(i < 60) ctx->wbuf[15] = 0;
+        sha1_compile(ctx);
+        i = 0;
+    }
+    else    /* compute a word index for the empty buffer positions  */
+        i = (i >> 2) + 1;
+
+    while(i < 14) /* and zero pad all but last two positions        */
+        ctx->wbuf[i++] = 0;
+
+    /* the following 32-bit length fields are assembled in the      */
+    /* wrong byte order on little endian machines but this is       */
+    /* corrected later since they are only ever used as 32-bit      */
+    /* word values.                                                 */
+    ctx->wbuf[14] = (ctx->count[1] << 3) | (ctx->count[0] >> 29);
+    ctx->wbuf[15] = ctx->count[0] << 3;
+    sha1_compile(ctx);
+
+    /* extract the hash value as bytes in case the hash buffer is   */
+    /* misaligned for 32-bit words                                  */
+    for(i = 0; i < SHA1_DIGEST_SIZE; ++i)
+        hval[i] = (unsigned char)(ctx->hash[i >> 2] >> (8 * (~i & 3)));
+}
+
+VOID_RETURN sha1(unsigned char hval[], const unsigned char data[], unsigned long len)
+{   sha1_ctx    cx[1];
+
+    sha1_begin(cx); sha1_hash(data, len, cx); sha1_end(hval, cx);
+}
+
+#if defined(__cplusplus)
+}
+#endif

SSZipArchive/aes/sha1.h

@@ -0,0 +1,73 @@
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2002, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 01/08/2005
+*/
+
+#ifndef _SHA1_H
+#define _SHA1_H
+
+#include <stdlib.h>
+#include "brg_types.h"
+
+#define SHA1_BLOCK_SIZE  64
+#define SHA1_DIGEST_SIZE 20
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* type to hold the SHA256 context  */
+
+typedef struct
+{   uint_32t count[2];
+    uint_32t hash[5];
+    uint_32t wbuf[16];
+} sha1_ctx;
+
+/* Note that these prototypes are the same for both bit and */
+/* byte oriented implementations. However the length fields */
+/* are in bytes or bits as appropriate for the version used */
+/* and bit sequences are input as arrays of bytes in which  */
+/* bit sequences run from the most to the least significant */
+/* end of each byte                                         */
+
+VOID_RETURN sha1_compile(sha1_ctx ctx[1]);
+
+VOID_RETURN sha1_begin(sha1_ctx ctx[1]);
+VOID_RETURN sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1]);
+VOID_RETURN sha1_end(unsigned char hval[], sha1_ctx ctx[1]);
+VOID_RETURN sha1(unsigned char hval[], const unsigned char data[], unsigned long len);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

SSZipArchive/minizip/crypt.h

@@ -1,30 +1,29 @@
-/* crypt.h -- base code for crypt/uncrypt ZIPfile
-
-
+/* crypt.h -- base code for traditional PKWARE encryption
    Version 1.01e, February 12th, 2005
 
    Copyright (C) 1998-2005 Gilles Vollant
+   Modifications for Info-ZIP crypting
+     Copyright (C) 2003 Terry Thorsen
 
-   This code is a modified version of crypting code in Infozip distribution
+   This code is a modified version of crypting code in Info-ZIP distribution
+
+   Copyright (C) 1990-2000 Info-ZIP.  All rights reserved.
+
+   See the Info-ZIP LICENSE file version 2000-Apr-09 or later for terms of use
+   which also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
 
    The encryption/decryption parts of this source code (as opposed to the
-   non-echoing password parts) were originally written in Europe.  The
+   non-echoing password parts) were originally written in Europe. The
    whole source package can be freely distributed, including from the USA.
    (Prior to January 2000, re-export from the US was a violation of US law.)
 
    This encryption code is a direct transcription of the algorithm from
-   Roger Schlafly, described by Phil Katz in the file appnote.txt.  This
+   Roger Schlafly, described by Phil Katz in the file appnote.txt. This
    file (appnote.txt) is distributed with the PKZIP program (even in the
    version without encryption capabilities).
 
    If you don't need crypting in your application, just define symbols
    NOCRYPT and NOUNCRYPT.
-
-   This code support the "Traditional PKWARE Encryption".
-
-   The new AES encryption added on Zip format by Winzip (see the page
-   http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
-   Encryption is not supported.
 */
 
 #define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
@@ -67,7 +66,7 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned lon
     *(pkeys+0) = 305419896L;
     *(pkeys+1) = 591751049L;
     *(pkeys+2) = 878082192L;
-    while (*passwd != '\0') {
+    while (*passwd != 0) {
         update_keys(pkeys,pcrc_32_tab,(int)*passwd);
         passwd++;
     }
@@ -94,11 +93,11 @@ static int crypthead(const char* passwd,      /* password string */
                      const unsigned long* pcrc_32_tab,
                      unsigned long crcForCrypting)
 {
-    int n;                       /* index in random header */
-    int t;                       /* temporary */
-    int c;                       /* random byte */
-    unsigned char header[RAND_HEAD_LEN-2]; /* random header */
-    static unsigned calls = 0;   /* ensure different random header each time */
+    int n;                                  /* index in random header */
+    int t;                                  /* temporary */
+    int c;                                  /* random byte */
+    unsigned char header[RAND_HEAD_LEN-2];  /* random header */
+    static unsigned calls = 0;              /* ensure different random header each time */
 
     if (bufSize<RAND_HEAD_LEN)
       return 0;

SSZipArchive/minizip/ioapi.c

@@ -0,0 +1,369 @@
+/* ioapi.h -- IO base function header for compress/uncompress .zip
+   part of the MiniZip project
+
+   Copyright (C) 1998-2010 Gilles Vollant
+     http://www.winimage.com/zLibDll/minizip.html
+   Modifications for Zip64 support
+     Copyright (C) 2009-2010 Mathias Svensson
+     http://result42.com
+
+   This program is distributed under the terms of the same license as zlib.
+   See the accompanying LICENSE file for the full text of the license.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "ioapi.h"
+
+#if defined(_WIN32)
+#  define snprintf _snprintf
+#endif
+
+#ifdef __APPLE__
+/* In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions */
+#  define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#  define FTELLO_FUNC(stream) ftello(stream)
+#  define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#  define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#  define FTELLO_FUNC(stream) ftello64(stream)
+#  define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
+#ifndef SEEK_CUR
+#  define SEEK_CUR    1
+#endif
+#ifndef SEEK_END
+#  define SEEK_END    2
+#endif
+#ifndef SEEK_SET
+#  define SEEK_SET    0
+#endif
+
+voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
+{
+    if (pfilefunc->zfile_func64.zopen64_file != NULL)
+        return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
+    return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
+}
+
+voidpf call_zopendisk64 OF((const zlib_filefunc64_32_def* pfilefunc, voidpf filestream, int number_disk, int mode))
+{
+    if (pfilefunc->zfile_func64.zopendisk64_file != NULL)
+        return (*(pfilefunc->zfile_func64.zopendisk64_file)) (pfilefunc->zfile_func64.opaque,filestream,number_disk,mode);
+    return (*(pfilefunc->zopendisk32_file))(pfilefunc->zfile_func64.opaque,filestream,number_disk,mode);
+}
+
+long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
+{
+    uLong offsetTruncated;
+    if (pfilefunc->zfile_func64.zseek64_file != NULL)
+        return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
+    offsetTruncated = (uLong)offset;
+    if (offsetTruncated != offset)
+        return -1;
+    return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
+}
+
+ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)
+{
+    uLong tell_uLong;
+    if (pfilefunc->zfile_func64.zseek64_file != NULL)
+        return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
+    tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
+    if ((tell_uLong) == 0xffffffff)
+        return (ZPOS64_T)-1;
+    return tell_uLong;
+}
+
+void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32)
+{
+    p_filefunc64_32->zfile_func64.zopen64_file = NULL;
+    p_filefunc64_32->zfile_func64.zopendisk64_file = NULL;
+    p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
+    p_filefunc64_32->zopendisk32_file = p_filefunc32->zopendisk_file;
+    p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
+    p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
+    p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
+    p_filefunc64_32->zfile_func64.ztell64_file = NULL;
+    p_filefunc64_32->zfile_func64.zseek64_file = NULL;
+    p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
+    p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
+    p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
+    p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
+    p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
+}
+
+static voidpf  ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode));
+static uLong   ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
+static uLong   ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size));
+static ZPOS64_T ZCALLBACK ftell64_file_func OF((voidpf opaque, voidpf stream));
+static long    ZCALLBACK fseek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
+static int     ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream));
+static int     ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream));
+
+typedef struct 
+{
+    FILE *file;
+    int filenameLength;
+    void *filename;
+} FILE_IOPOSIX;
+
+static voidpf file_build_ioposix(FILE *file, const char *filename)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    if (file == NULL)
+        return NULL;
+    ioposix = (FILE_IOPOSIX*)malloc(sizeof(FILE_IOPOSIX));
+    ioposix->file = file;
+    ioposix->filenameLength = (int)strlen(filename) + 1;
+    ioposix->filename = (char*)malloc(ioposix->filenameLength * sizeof(char));
+    strncpy(ioposix->filename, filename, ioposix->filenameLength);
+    return (voidpf)ioposix;
+}
+
+static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
+{
+    FILE* file = NULL;
+    const char* mode_fopen = NULL;
+    if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ)
+        mode_fopen = "rb";
+    else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
+        mode_fopen = "r+b";
+    else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+        mode_fopen = "wb";
+
+    if ((filename != NULL) && (mode_fopen != NULL))
+    {
+        file = fopen(filename, mode_fopen);
+        return file_build_ioposix(file, filename);
+    }
+    return file;
+}
+
+static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode)
+{
+    FILE* file = NULL;
+    const char* mode_fopen = NULL;
+    if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ)
+        mode_fopen = "rb";
+    else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
+        mode_fopen = "r+b";
+    else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+        mode_fopen = "wb";
+
+    if ((filename != NULL) && (mode_fopen != NULL))
+    {
+        file = FOPEN_FUNC((const char*)filename, mode_fopen);
+        return file_build_ioposix(file, (const char*)filename);
+    }
+    return file;
+}
+
+static voidpf ZCALLBACK fopendisk64_file_func (voidpf opaque, voidpf stream, int number_disk, int mode)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    char *diskFilename = NULL;
+    voidpf ret = NULL;
+    int i = 0;
+
+    if (stream == NULL)
+        return NULL;
+    ioposix = (FILE_IOPOSIX*)stream;
+    diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char));
+    strncpy(diskFilename, ioposix->filename, ioposix->filenameLength);
+    for (i = ioposix->filenameLength - 1; i >= 0; i -= 1)
+    {
+        if (diskFilename[i] != '.') 
+            continue;
+        snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02d", number_disk + 1);
+        break;
+    }
+    if (i >= 0)
+        ret = fopen64_file_func(opaque, diskFilename, mode);
+    free(diskFilename);
+    return ret;
+}
+
+static voidpf ZCALLBACK fopendisk_file_func (voidpf opaque, voidpf stream, int number_disk, int mode)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    char *diskFilename = NULL;
+    voidpf ret = NULL;
+    int i = 0;
+
+    if (stream == NULL)
+        return NULL;
+    ioposix = (FILE_IOPOSIX*)stream;
+    diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char));
+    strncpy(diskFilename, ioposix->filename, ioposix->filenameLength);
+    for (i = ioposix->filenameLength - 1; i >= 0; i -= 1)
+    {
+        if (diskFilename[i] != '.') 
+            continue;
+        snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02d", number_disk + 1);
+        break;
+    }
+    if (i >= 0)
+        ret = fopen_file_func(opaque, diskFilename, mode);
+    free(diskFilename);
+    return ret;
+}
+
+static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    uLong ret;
+    if (stream == NULL)
+        return -1;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = (uLong)fread(buf, 1, (size_t)size, ioposix->file);
+    return ret;
+}
+
+static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    uLong ret;
+    if (stream == NULL)
+        return -1;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = (uLong)fwrite(buf, 1, (size_t)size, ioposix->file);
+    return ret;
+}
+
+static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    long ret = -1;
+    if (stream == NULL)
+        return ret;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = ftell(ioposix->file);
+    return ret;
+}
+
+static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    ZPOS64_T ret = -1;
+    if (stream == NULL)
+        return ret;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = FTELLO_FUNC(ioposix->file);
+    return ret;
+}
+
+static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    int fseek_origin = 0;
+    long ret = 0;
+
+    if (stream == NULL)
+        return -1;
+    ioposix = (FILE_IOPOSIX*)stream;
+
+    switch (origin)
+    {
+        case ZLIB_FILEFUNC_SEEK_CUR:
+            fseek_origin = SEEK_CUR;
+            break;
+        case ZLIB_FILEFUNC_SEEK_END:
+            fseek_origin = SEEK_END;
+            break;
+        case ZLIB_FILEFUNC_SEEK_SET:
+            fseek_origin = SEEK_SET;
+            break;
+        default:
+            return -1;
+    }
+    if (fseek(ioposix->file, offset, fseek_origin) != 0)
+        ret = -1;
+    return ret;
+}
+
+static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    int fseek_origin = 0;
+    long ret = 0;
+
+    if (stream == NULL)
+        return -1;
+    ioposix = (FILE_IOPOSIX*)stream;
+
+    switch (origin)
+    {
+        case ZLIB_FILEFUNC_SEEK_CUR:
+            fseek_origin = SEEK_CUR;
+            break;
+        case ZLIB_FILEFUNC_SEEK_END:
+            fseek_origin = SEEK_END;
+            break;
+        case ZLIB_FILEFUNC_SEEK_SET:
+            fseek_origin = SEEK_SET;
+            break;
+        default:
+            return -1;
+    }
+
+    if(FSEEKO_FUNC(ioposix->file, offset, fseek_origin) != 0)
+        ret = -1;
+
+    return ret;
+}
+
+
+static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    int ret = -1;
+    if (stream == NULL)
+        return ret;
+    ioposix = (FILE_IOPOSIX*)stream;
+    if (ioposix->filename != NULL)
+        free(ioposix->filename);
+    ret = fclose(ioposix->file);
+    free(ioposix);
+    return ret;
+}
+
+static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
+{
+    FILE_IOPOSIX *ioposix = NULL;
+    int ret = -1;
+    if (stream == NULL)
+        return ret;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = ferror(ioposix->file);
+    return ret;
+}
+
+void fill_fopen_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
+{
+    pzlib_filefunc_def->zopen_file = fopen_file_func;
+    pzlib_filefunc_def->zopendisk_file = fopendisk_file_func;
+    pzlib_filefunc_def->zread_file = fread_file_func;
+    pzlib_filefunc_def->zwrite_file = fwrite_file_func;
+    pzlib_filefunc_def->ztell_file = ftell_file_func;
+    pzlib_filefunc_def->zseek_file = fseek_file_func;
+    pzlib_filefunc_def->zclose_file = fclose_file_func;
+    pzlib_filefunc_def->zerror_file = ferror_file_func;
+    pzlib_filefunc_def->opaque = NULL;
+}
+
+void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def)
+{
+    pzlib_filefunc_def->zopen64_file = fopen64_file_func;
+    pzlib_filefunc_def->zopendisk64_file = fopendisk64_file_func;
+    pzlib_filefunc_def->zread_file = fread_file_func;
+    pzlib_filefunc_def->zwrite_file = fwrite_file_func;
+    pzlib_filefunc_def->ztell64_file = ftell64_file_func;
+    pzlib_filefunc_def->zseek64_file = fseek64_file_func;
+    pzlib_filefunc_def->zclose_file = fclose_file_func;
+    pzlib_filefunc_def->zerror_file = ferror_file_func;
+    pzlib_filefunc_def->opaque = NULL;
+}

SSZipArchive/minizip/ioapi.h

@@ -0,0 +1,175 @@
+/* ioapi.h -- IO base function header for compress/uncompress .zip
+   part of the MiniZip project
+
+   Copyright (C) 1998-2010 Gilles Vollant
+     http://www.winimage.com/zLibDll/minizip.html
+   Modifications for Zip64 support
+     Copyright (C) 2009-2010 Mathias Svensson
+     http://result42.com
+
+   This program is distributed under the terms of the same license as zlib.
+   See the accompanying LICENSE file for the full text of the license.
+*/
+
+#ifndef _ZLIBIOAPI64_H
+#define _ZLIBIOAPI64_H
+
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
+#  ifndef __USE_FILE_OFFSET64
+#    define __USE_FILE_OFFSET64
+#  endif
+#  ifndef __USE_LARGEFILE64
+#    define __USE_LARGEFILE64
+#  endif
+#  ifndef _LARGEFILE64_SOURCE
+#    define _LARGEFILE64_SOURCE
+#  endif
+#  ifndef _FILE_OFFSET_BIT
+#    define _FILE_OFFSET_BIT 64
+#  endif
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "zlib.h"
+
+#if defined(USE_FILE32API)
+#  define fopen64 fopen
+#  define ftello64 ftell
+#  define fseeko64 fseek
+#else
+#  if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#    define fopen64 fopen
+#    define ftello64 ftello
+#    define fseeko64 fseeko
+#  endif
+#  ifdef _MSC_VER
+#    define fopen64 fopen
+#    if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
+#      define ftello64 _ftelli64
+#      define fseeko64 _fseeki64
+#    else /* old MSC */
+#      define ftello64 ftell
+#      define fseeko64 fseek
+#    endif
+#  endif
+#endif
+
+/* a type choosen by DEFINE */
+#ifdef HAVE_64BIT_INT_CUSTOM
+typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
+#else
+#  ifdef HAS_STDINT_H
+#    include "stdint.h"
+     typedef uint64_t ZPOS64_T;
+#  else
+#    if defined(_MSC_VER) || defined(__BORLANDC__)
+       typedef unsigned __int64 ZPOS64_T;
+#    else
+       typedef unsigned long long int ZPOS64_T;
+#    endif
+#  endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ZLIB_FILEFUNC_SEEK_CUR (1)
+#define ZLIB_FILEFUNC_SEEK_END (2)
+#define ZLIB_FILEFUNC_SEEK_SET (0)
+
+#define ZLIB_FILEFUNC_MODE_READ             (1)
+#define ZLIB_FILEFUNC_MODE_WRITE            (2)
+#define ZLIB_FILEFUNC_MODE_READWRITEFILTER  (3)
+#define ZLIB_FILEFUNC_MODE_EXISTING         (4)
+#define ZLIB_FILEFUNC_MODE_CREATE           (8)
+
+#ifndef ZCALLBACK
+#  if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || \
+       defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
+#    define ZCALLBACK CALLBACK
+#  else
+#    define ZCALLBACK
+#  endif
+#endif
+
+typedef voidpf   (ZCALLBACK *open_file_func)      OF((voidpf opaque, const char* filename, int mode));
+typedef voidpf   (ZCALLBACK *opendisk_file_func)  OF((voidpf opaque, voidpf stream, int number_disk, int mode));
+typedef uLong    (ZCALLBACK *read_file_func)      OF((voidpf opaque, voidpf stream, void* buf, uLong size));
+typedef uLong    (ZCALLBACK *write_file_func)     OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
+typedef int      (ZCALLBACK *close_file_func)     OF((voidpf opaque, voidpf stream));
+typedef int      (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
+
+typedef long     (ZCALLBACK *tell_file_func)      OF((voidpf opaque, voidpf stream));
+typedef long     (ZCALLBACK *seek_file_func)      OF((voidpf opaque, voidpf stream, uLong offset, int origin));
+
+/* here is the "old" 32 bits structure structure */
+typedef struct zlib_filefunc_def_s
+{
+    open_file_func      zopen_file;
+    opendisk_file_func  zopendisk_file;
+    read_file_func      zread_file;
+    write_file_func     zwrite_file;
+    tell_file_func      ztell_file;
+    seek_file_func      zseek_file;
+    close_file_func     zclose_file;
+    testerror_file_func zerror_file;
+    voidpf              opaque;
+} zlib_filefunc_def;
+
+typedef ZPOS64_T (ZCALLBACK *tell64_file_func)    OF((voidpf opaque, voidpf stream));
+typedef long     (ZCALLBACK *seek64_file_func)    OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
+typedef voidpf   (ZCALLBACK *open64_file_func)    OF((voidpf opaque, const void* filename, int mode));
+typedef voidpf   (ZCALLBACK *opendisk64_file_func)OF((voidpf opaque, voidpf stream, int number_disk, int mode));
+
+typedef struct zlib_filefunc64_def_s
+{
+    open64_file_func     zopen64_file;
+    opendisk64_file_func zopendisk64_file;
+    read_file_func       zread_file;
+    write_file_func      zwrite_file;
+    tell64_file_func     ztell64_file;
+    seek64_file_func     zseek64_file;
+    close_file_func      zclose_file;
+    testerror_file_func  zerror_file;
+    voidpf               opaque;
+} zlib_filefunc64_def;
+
+void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
+void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));
+
+/* now internal definition, only for zip.c and unzip.h */
+typedef struct zlib_filefunc64_32_def_s
+{
+    zlib_filefunc64_def zfile_func64;
+    open_file_func      zopen32_file;
+    opendisk_file_func  zopendisk32_file;
+    tell_file_func      ztell32_file;
+    seek_file_func      zseek32_file;
+} zlib_filefunc64_32_def;
+
+#define ZREAD64(filefunc,filestream,buf,size)       ((*((filefunc).zfile_func64.zread_file))        ((filefunc).zfile_func64.opaque,filestream,buf,size))
+#define ZWRITE64(filefunc,filestream,buf,size)      ((*((filefunc).zfile_func64.zwrite_file))       ((filefunc).zfile_func64.opaque,filestream,buf,size))
+/*#define ZTELL64(filefunc,filestream)                ((*((filefunc).ztell64_file))                   ((filefunc).opaque,filestream))*/
+/*#define ZSEEK64(filefunc,filestream,pos,mode)       ((*((filefunc).zseek64_file))                   ((filefunc).opaque,filestream,pos,mode))*/
+#define ZCLOSE64(filefunc,filestream)               ((*((filefunc).zfile_func64.zclose_file))       ((filefunc).zfile_func64.opaque,filestream))
+#define ZERROR64(filefunc,filestream)               ((*((filefunc).zfile_func64.zerror_file))       ((filefunc).zfile_func64.opaque,filestream))
+
+voidpf   call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode));
+voidpf   call_zopendisk64 OF((const zlib_filefunc64_32_def* pfilefunc, voidpf filestream, int number_disk, int mode));
+long     call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin));
+ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream));
+
+void fill_zlib_filefunc64_32_def_from_filefunc32 OF((zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32));
+
+#define ZOPEN64(filefunc,filename,mode)             (call_zopen64((&(filefunc)),(filename),(mode)))
+#define ZOPENDISK64(filefunc,filestream,diskn,mode) (call_zopendisk64((&(filefunc)),(filestream),(diskn),(mode)))
+#define ZTELL64(filefunc,filestream)                (call_ztell64((&(filefunc)),(filestream)))
+#define ZSEEK64(filefunc,filestream,pos,mode)       (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

SSZipArchive/minizip/unzip.h

@@ -0,0 +1,248 @@
+/* unzip.h -- IO for uncompress .zip files using zlib
+   Version 1.1, February 14h, 2010
+   part of the MiniZip project
+
+   Copyright (C) 1998-2010 Gilles Vollant
+     http://www.winimage.com/zLibDll/minizip.html
+   Modifications of Unzip for Zip64
+     Copyright (C) 2007-2008 Even Rouault
+   Modifications for Zip64 support on both zip and unzip
+     Copyright (C) 2009-2010 Mathias Svensson
+     http://result42.com
+
+   This program is distributed under the terms of the same license as zlib.
+   See the accompanying LICENSE file for the full text of the license.
+*/
+
+#include "Common.h"
+
+#ifndef _UNZ_H
+#define _UNZ_H
+
+#define HAVE_AES
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ZLIB_H
+#include "zlib.h"
+#endif
+
+#ifndef  _ZLIBIOAPI_H
+#include "ioapi.h"
+#endif
+
+#ifdef HAVE_BZIP2
+#include "bzlib.h"
+#endif
+
+#define Z_BZIP2ED 12
+
+#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
+/* like the STRICT of WIN32, we define a pointer that cannot be converted
+    from (void*) without cast */
+typedef struct TagunzFile__ { int unused; } unzFile__;
+typedef unzFile__ *unzFile;
+#else
+typedef voidp unzFile;
+#endif
+
+
+#define UNZ_OK                          (0)
+#define UNZ_END_OF_LIST_OF_FILE         (-100)
+#define UNZ_ERRNO                       (Z_ERRNO)
+#define UNZ_EOF                         (0)
+#define UNZ_PARAMERROR                  (-102)
+#define UNZ_BADZIPFILE                  (-103)
+#define UNZ_INTERNALERROR               (-104)
+#define UNZ_CRCERROR                    (-105)
+
+
+/***************************************************************************/
+/* Opening and close a zip file */
+
+extern unzFile ZEXPORT unzOpen OF((const char *path));
+extern unzFile ZEXPORT unzOpen64 OF((const void *path));
+/* Open a Zip file.
+
+   path should contain the full pathname (by example, on a Windows XP computer 
+      "c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip". 
+   return NULL if zipfile cannot be opened or doesn't exist
+   return unzFile handle if no error
+
+   NOTE: The "64" function take a const void* pointer, because  the path is just the value passed to the
+   open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path 
+   is a pointer to a wide unicode string  (LPCTSTR is LPCWSTR), so const char* does not describe the reality */
+
+extern unzFile ZEXPORT unzOpen2 OF((const char *path, zlib_filefunc_def* pzlib_filefunc_def));
+/* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */
+extern unzFile ZEXPORT unzOpen2_64 OF((const void *path, zlib_filefunc64_def* pzlib_filefunc_def));
+/* Open a Zip file, like unz64Open, but provide a set of file low level API for read/write 64-bit operations */
+
+extern int ZEXPORT unzClose OF((unzFile file));
+/* Close a ZipFile opened with unzipOpen. If there is files inside the .Zip opened with unzOpenCurrentFile,
+   these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
+
+   return UNZ_OK if there is no error */
+
+extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, unz_global_info *pglobal_info));
+extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file, unz_global_info64 *pglobal_info));
+/* Write info about the ZipFile in the *pglobal_info structure.
+
+   return UNZ_OK if no error */
+
+extern int ZEXPORT unzGetGlobalComment OF((unzFile file, char *comment, uLong comment_size));
+/* Get the global comment string of the ZipFile, in the comment buffer.
+
+   uSizeBuf is the size of the szComment buffer.
+   return the number of byte copied or an error code <0 */
+
+/***************************************************************************/
+/* Reading the content of the current zipfile, you can open it, read data from it, and close it
+   (you can close it before reading all the file) */
+
+extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
+/* Open for reading data the current file in the zipfile.
+
+   return UNZ_OK if no error */
+
+extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, const char* password));
+/* Open for reading data the current file in the zipfile.
+   password is a crypting password
+
+   return UNZ_OK if no error */
+
+extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, int* method, int* level, int raw));
+/* Same as unzOpenCurrentFile, but open for read raw the file (not uncompress)
+   if raw==1 *method will receive method of compression, *level will receive level of compression
+
+   NOTE: you can set level parameter as NULL (if you did not want known level,
+         but you CANNOT set method parameter as NULL */
+
+extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, int* method, int* level, int raw, const char* password));
+/* Same as unzOpenCurrentFile, but takes extra parameter password for encrypted files */
+
+extern int ZEXPORT unzReadCurrentFile OF((unzFile file, voidp buf, unsigned len));
+/* Read bytes from the current file (opened by unzOpenCurrentFile)
+   buf contain buffer where data must be copied
+   len the size of buf.
+
+   return the number of byte copied if somes bytes are copied
+   return 0 if the end of file was reached
+   return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */
+
+extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, unz_file_info *pfile_info, char *filename, 
+    uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
+extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
+    uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
+/* Get Info about the current file
+
+   pfile_info if != NULL, the *pfile_info structure will contain somes info about the current file
+   filename if != NULL, the file name string will be copied in filename 
+   filename_size is the size of the filename buffer
+   extrafield if != NULL, the extra field information from the central header will be copied in to
+   extrafield_size is the size of the extraField buffer 
+   comment if != NULL, the comment string of the file will be copied in to
+   comment_size is the size of the comment buffer */
+
+extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
+
+extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, voidp buf, unsigned len));
+/* Read extra field from the current file (opened by unzOpenCurrentFile)
+   This is the local-header version of the extra field (sometimes, there is
+   more info in the local-header version than in the central-header)
+
+   if buf == NULL, it return the size of the local extra field
+   if buf != NULL, len is the size of the buffer, the extra header is copied in buf.
+
+   return number of bytes copied in buf, or (if <0) the error code */
+
+extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
+/* Close the file in zip opened with unzOpenCurrentFile
+
+   return UNZ_CRCERROR if all the file was read but the CRC is not good */
+
+/***************************************************************************/
+/* Browse the directory of the zipfile */
+
+typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2);
+typedef int (*unzIteratorFunction)(unzFile file);
+typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename,
+    uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size);
+
+extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
+/* Set the current file of the zipfile to the first file.
+
+   return UNZ_OK if no error */
+
+extern int ZEXPORT unzGoToFirstFile2 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
+    uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
+/* Set the current file of the zipfile to the first file and retrieves the current info on success. 
+   Not as seek intensive as unzGoToFirstFile + unzGetCurrentFileInfo.
+
+   return UNZ_OK if no error */
+
+extern int ZEXPORT unzGoToNextFile OF((unzFile file));
+/* Set the current file of the zipfile to the next file.
+
+   return UNZ_OK if no error
+   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
+
+extern int ZEXPORT unzGoToNextFile2 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
+    uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
+/* Set the current file of the zipfile to the next file and retrieves the current 
+   info on success. Does less seeking around than unzGotoNextFile + unzGetCurrentFileInfo.
+
+   return UNZ_OK if no error
+   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
+
+extern int ZEXPORT unzLocateFile OF((unzFile file, const char *filename, unzFileNameComparer filename_compare_func));
+/* Try locate the file szFileName in the zipfile. For custom filename comparison pass in comparison function.
+
+   return UNZ_OK if the file is found (it becomes the current file)
+   return UNZ_END_OF_LIST_OF_FILE if the file is not found */
+
+/***************************************************************************/
+/* Raw access to zip file */
+
+typedef struct unz_file_pos_s
+{
+    uLong pos_in_zip_directory;     /* offset in zip file directory */
+    uLong num_of_file;              /* # of file */
+} unz_file_pos;
+
+extern int ZEXPORT unzGetFilePos OF((unzFile file, unz_file_pos* file_pos));
+extern int ZEXPORT unzGoToFilePos OF((unzFile file, unz_file_pos* file_pos));
+
+typedef struct unz64_file_pos_s
+{
+    ZPOS64_T pos_in_zip_directory;   /* offset in zip file directory */
+    ZPOS64_T num_of_file;            /* # of file */
+} unz64_file_pos;
+
+extern int ZEXPORT unzGetFilePos64 OF((unzFile file, unz64_file_pos* file_pos));
+extern int ZEXPORT unzGoToFilePos64 OF((unzFile file, const unz64_file_pos* file_pos));
+
+extern uLong ZEXPORT unzGetOffset OF((unzFile file));
+extern ZPOS64_T ZEXPORT unzGetOffset64 OF((unzFile file));
+/* Get the current file offset */
+
+extern int ZEXPORT unzSetOffset OF((unzFile file, uLong pos));
+extern int ZEXPORT unzSetOffset64 OF((unzFile file, ZPOS64_T pos));
+/* Set the current file offset */
+
+extern z_off_t ZEXPORT unztell OF((unzFile file));
+extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file));
+/* return current position in uncompressed data */
+
+extern int ZEXPORT unzeof OF((unzFile file));
+/* return 1 if the end of file was reached, 0 elsewhere */
+
+/***************************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _UNZ_H */

SSZipArchive/minizip/zip.h

@@ -0,0 +1,202 @@
+/* zip.h -- IO on .zip files using zlib
+   Version 1.1, February 14h, 2010
+   part of the MiniZip project
+
+   Copyright (C) 1998-2010 Gilles Vollant
+     http://www.winimage.com/zLibDll/minizip.html
+   Modifications for Zip64 support
+     Copyright (C) 2009-2010 Mathias Svensson
+     http://result42.com
+
+   This program is distributed under the terms of the same license as zlib.
+   See the accompanying LICENSE file for the full text of the license.
+*/
+
+#ifndef _ZIP_H
+#define _ZIP_H
+
+#define HAVE_AES
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ZLIB_H
+#  include "zlib.h"
+#endif
+
+#ifndef _ZLIBIOAPI_H
+#  include "ioapi.h"
+#endif
+
+#ifdef HAVE_BZIP2
+#  include "bzlib.h"
+#endif
+
+#define Z_BZIP2ED 12
+
+#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
+/* like the STRICT of WIN32, we define a pointer that cannot be converted
+    from (void*) without cast */
+typedef struct TagzipFile__ { int unused; } zipFile__;
+typedef zipFile__ *zipFile;
+#else
+typedef voidp zipFile;
+#endif
+
+#define ZIP_OK                          (0)
+#define ZIP_EOF                         (0)
+#define ZIP_ERRNO                       (Z_ERRNO)
+#define ZIP_PARAMERROR                  (-102)
+#define ZIP_BADZIPFILE                  (-103)
+#define ZIP_INTERNALERROR               (-104)
+
+#ifndef DEF_MEM_LEVEL
+#  if MAX_MEM_LEVEL >= 8
+#    define DEF_MEM_LEVEL 8
+#  else
+#    define DEF_MEM_LEVEL  MAX_MEM_LEVEL
+#  endif
+#endif
+/* default memLevel */
+
+/* tm_zip contain date/time info */
+typedef struct tm_zip_s
+{
+    uInt tm_sec;                /* seconds after the minute - [0,59] */
+    uInt tm_min;                /* minutes after the hour - [0,59] */
+    uInt tm_hour;               /* hours since midnight - [0,23] */
+    uInt tm_mday;               /* day of the month - [1,31] */
+    uInt tm_mon;                /* months since January - [0,11] */
+    uInt tm_year;               /* years - [1980..2044] */
+} tm_zip;
+
+typedef struct
+{
+    tm_zip      tmz_date;       /* date in understandable format           */
+    uLong       dosDate;        /* if dos_date == 0, tmu_date is used      */
+    uLong       internal_fa;    /* internal file attributes        2 bytes */
+    uLong       external_fa;    /* external file attributes        4 bytes */
+} zip_fileinfo;
+
+typedef const char* zipcharpc;
+
+#define APPEND_STATUS_CREATE        (0)
+#define APPEND_STATUS_CREATEAFTER   (1)
+#define APPEND_STATUS_ADDINZIP      (2)
+
+/***************************************************************************/
+/* Writing a zip file */
+
+extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
+extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append));
+/* Create a zipfile.
+
+   pathname should contain the full pathname (by example, on a Windows XP computer 
+      "c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip". 
+
+   return NULL if zipfile cannot be opened
+   return zipFile handle if no error
+
+   If the file pathname exist and append == APPEND_STATUS_CREATEAFTER, the zip
+   will be created at the end of the file. (useful if the file contain a self extractor code)
+   If the file pathname exist and append == APPEND_STATUS_ADDINZIP, we will add files in existing 
+   zip (be sure you don't add file that doesn't exist)
+
+   NOTE: There is no delete function into a zipfile. If you want delete file into a zipfile, 
+   you must open a zipfile, and create another. Of course, you can use RAW reading and writing to copy
+   the file you did not want delete. */
+
+extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, int append, zipcharpc* globalcomment, 
+    zlib_filefunc_def* pzlib_filefunc_def));
+
+extern zipFile ZEXPORT zipOpen2_64 OF((const void *pathname, int append, zipcharpc* globalcomment, 
+    zlib_filefunc64_def* pzlib_filefunc_def));
+
+extern zipFile ZEXPORT zipOpen3 OF((const char *pathname, int append, ZPOS64_T disk_size, 
+    zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc_def));
+/* Same as zipOpen2 but allows specification of spanned zip size */
+
+extern zipFile ZEXPORT zipOpen3_64 OF((const void *pathname, int append, ZPOS64_T disk_size, 
+    zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def));
+
+extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level));
+/* Open a file in the ZIP for writing.
+
+   filename : the filename in zip (if NULL, '-' without quote will be used
+   *zipfi contain supplemental information
+   extrafield_local buffer to store the local header extra field data, can be NULL
+   size_extrafield_local size of extrafield_local buffer
+   extrafield_global buffer to store the global header extra field data, can be NULL
+   size_extrafield_global size of extrafield_local buffer
+   comment buffer for comment string
+   method contain the compression method (0 for store, Z_DEFLATED for deflate)
+   level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
+   zip64 is set to 1 if a zip64 extended information block should be added to the local file header.
+   this MUST be '1' if the uncompressed size is >= 0xffffffff. */
+
+extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int zip64));
+/* Same as zipOpenNewFileInZip with zip64 support */
+
+extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw));
+/* Same as zipOpenNewFileInZip, except if raw=1, we write raw file */
+
+extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw, int zip64));
+/* Same as zipOpenNewFileInZip3 with zip64 support */
+
+extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel, 
+    int strategy, const char* password, uLong crcForCrypting));
+/* Same as zipOpenNewFileInZip2, except
+    windowBits, memLevel, strategy : see parameter strategy in deflateInit2
+    password : crypting password (NULL for no crypting)
+    crcForCrypting : crc of file to compress (needed for crypting) */
+
+extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel, 
+    int strategy, const char* password, uLong crcForCrypting, int zip64));
+/* Same as zipOpenNewFileInZip3 with zip64 support */
+
+extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel, 
+    int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase));
+/* Same as zipOpenNewFileInZip3 except versionMadeBy & flag fields */
+
+extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
+    const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, 
+    uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel, 
+    int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase, int zip64));
+/* Same as zipOpenNewFileInZip4 with zip64 support */
+
+extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, const void* buf, unsigned len));
+/* Write data in the zipfile */
+
+extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
+/* Close the current file in the zipfile */
+
+extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, uLong uncompressed_size, uLong crc32));
+extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file, ZPOS64_T uncompressed_size, uLong crc32));
+/* Close the current file in the zipfile, for file opened with parameter raw=1 in zipOpenNewFileInZip2
+   uncompressed_size and crc32 are value for the uncompressed size */
+
+extern int ZEXPORT zipClose OF((zipFile file, const char* global_comment));
+/* Close the zipfile */
+
+/***************************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZIP_H */

SwiftExample/Cartfile

@@ -0,0 +1 @@
+github "ZipArchive/ZipArchive"

SwiftExample/Podfile

@@ -0,0 +1,8 @@
+source 'https://github.com/CocoaPods/Specs.git'
+
+# inhibit_all_warnings!
+use_frameworks!
+
+target 'SwiftExample' do
+  pod 'SSZipArchive', :path => '..'
+end

SwiftExample/Podfile.lock

@@ -0,0 +1,14 @@
+PODS:
+  - SSZipArchive (1.0.1)
+
+DEPENDENCIES:
+  - SSZipArchive (from `..`)
+
+EXTERNAL SOURCES:
+  SSZipArchive:
+    :path: ..
+
+SPEC CHECKSUMS:
+  SSZipArchive: 7bfebbf578e47e1c4239a06f0c202101d4d933ab
+
+COCOAPODS: 0.39.0

SwiftExample/SwiftExample.xcodeproj/project.pbxproj

@@ -0,0 +1,646 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		2B4B24671C21500E00CC99E5 /* mztools.c in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE19391BDA7D8C00709011 /* mztools.c */; };
+		2B4B24681C21500E00CC99E5 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE190E1BDA74F800709011 /* ViewController.swift */; };
+		2B4B24691C21500E00CC99E5 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE190C1BDA74F800709011 /* AppDelegate.swift */; };
+		2B4B246D1C21500E00CC99E5 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19151BDA74F800709011 /* LaunchScreen.storyboard */; };
+		2B4B246E1C21500E00CC99E5 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19131BDA74F800709011 /* Assets.xcassets */; };
+		2B4B246F1C21500E00CC99E5 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19101BDA74F800709011 /* Main.storyboard */; };
+		2B4B24701C21500E00CC99E5 /* Sample Data in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19461BDA82EA00709011 /* Sample Data */; };
+		57AA942E1C28397000858D82 /* ZipArchive.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 57AA942D1C28397000858D82 /* ZipArchive.framework */; };
+		5914648EC4509E192D31CA42 /* Pods_SwiftExample.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9E81180168B01E0210FE1E3F /* Pods_SwiftExample.framework */; };
+		8DFE190D1BDA74F800709011 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE190C1BDA74F800709011 /* AppDelegate.swift */; };
+		8DFE190F1BDA74F800709011 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8DFE190E1BDA74F800709011 /* ViewController.swift */; };
+		8DFE19121BDA74F800709011 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8DFE19101BDA74F800709011 /* Main.storyboard */; };
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+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(SRCROOT)/../Carthage/Build/ios/**",
+					"$(PROJECT_DIR)/Carthage/Build/iOS",
+				);
+				INFOPLIST_FILE = SwiftExample/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				OTHER_SWIFT_FLAGS = "-DUseCarthage";
+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.SwiftExample;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+		8DFE19241BDA74F800709011 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.1;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		8DFE19251BDA74F800709011 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.1;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		8DFE19271BDA74F800709011 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = FA88DF2AF701AB45DE8B7EB5 /* Pods-SwiftExample.debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				INFOPLIST_FILE = SwiftExample/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.SwiftExample;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		8DFE19281BDA74F800709011 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = EDFB736C117CB42411E221E3 /* Pods-SwiftExample.release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				INFOPLIST_FILE = SwiftExample/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.SwiftExample;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+		8DFE192A1BDA74F800709011 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				INFOPLIST_FILE = SwiftExampleTests/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.SwiftExampleTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/SwiftExample.app/SwiftExample";
+			};
+			name = Debug;
+		};
+		8DFE192B1BDA74F800709011 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				INFOPLIST_FILE = SwiftExampleTests/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.samsoffes.SwiftExampleTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/SwiftExample.app/SwiftExample";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		2B4B24731C21500E00CC99E5 /* Build configuration list for PBXNativeTarget "SwiftExampleCarthage" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				2B4B24741C21500E00CC99E5 /* Debug */,
+				2B4B24751C21500E00CC99E5 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		8DFE19041BDA74F800709011 /* Build configuration list for PBXProject "SwiftExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8DFE19241BDA74F800709011 /* Debug */,
+				8DFE19251BDA74F800709011 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		8DFE19261BDA74F800709011 /* Build configuration list for PBXNativeTarget "SwiftExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8DFE19271BDA74F800709011 /* Debug */,
+				8DFE19281BDA74F800709011 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		8DFE19291BDA74F800709011 /* Build configuration list for PBXNativeTarget "SwiftExampleTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8DFE192A1BDA74F800709011 /* Debug */,
+				8DFE192B1BDA74F800709011 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 8DFE19011BDA74F800709011 /* Project object */;
+}

SwiftExample/SwiftExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:SwiftExample.xcodeproj">
+   </FileRef>
+</Workspace>

SwiftExample/SwiftExample.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:SwiftExample.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

SwiftExample/SwiftExample/AppDelegate.swift

@@ -0,0 +1,46 @@
+//
+//  AppDelegate.swift
+//  SwiftExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+import UIKit
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var window: UIWindow?
+
+
+    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
+        // Override point for customization after application launch.
+        return true
+    }
+
+    func applicationWillResignActive(application: UIApplication) {
+        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
+    }
+
+    func applicationDidEnterBackground(application: UIApplication) {
+        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
+        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+    }
+
+    func applicationWillEnterForeground(application: UIApplication) {
+        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
+    }
+
+    func applicationDidBecomeActive(application: UIApplication) {
+        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+    }
+
+    func applicationWillTerminate(application: UIApplication) {
+        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+    }
+
+
+}
+

SwiftExample/SwiftExample/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

SwiftExample/SwiftExample/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8150" systemVersion="15A204g" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8122"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
+                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <animations/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

SwiftExample/SwiftExample/Base.lproj/Main.storyboard

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="SwiftExample" customModuleProvider="target" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Uwd-kM-cdh">
+                                <rect key="frame" x="244" y="51" width="113" height="30"/>
+                                <animations/>
+                                <state key="normal" title="Zip Sample Data"/>
+                                <connections>
+                                    <action selector="zipPressed:" destination="BYZ-38-t0r" eventType="touchUpInside" id="dQS-RP-2Yl"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="XUJ-IR-RIS">
+                                <rect key="frame" x="235" y="89" width="131" height="30"/>
+                                <animations/>
+                                <state key="normal" title="Unzip Sample Data"/>
+                                <connections>
+                                    <action selector="unzipPressed:" destination="BYZ-38-t0r" eventType="touchUpInside" id="gGR-nU-aS3"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Lbq-oS-Rlj">
+                                <rect key="frame" x="281" y="214" width="39" height="30"/>
+                                <animations/>
+                                <state key="normal" title="Reset"/>
+                                <connections>
+                                    <action selector="resetPressed:" destination="BYZ-38-t0r" eventType="touchUpInside" id="n8G-qy-egF"/>
+                                </connections>
+                            </button>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="09F-6Q-slx" userLabel="File1">
+                                <rect key="frame" x="67" y="127" width="480" height="21"/>
+                                <animations/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="PSK-Jd-Mwc" userLabel="File2">
+                                <rect key="frame" x="67" y="156" width="480" height="21"/>
+                                <animations/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="pW5-rw-iqM" userLabel="File3">
+                                <rect key="frame" x="67" y="185" width="480" height="21"/>
+                                <animations/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <animations/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                    <connections>
+                        <outlet property="file1" destination="09F-6Q-slx" id="Rmp-Xl-xfc"/>
+                        <outlet property="file2" destination="PSK-Jd-Mwc" id="Fek-5n-1P2"/>
+                        <outlet property="file3" destination="pW5-rw-iqM" id="8cy-pX-Oa9"/>
+                        <outlet property="resetButton" destination="Lbq-oS-Rlj" id="NMW-xE-8bl"/>
+                        <outlet property="unzipButton" destination="XUJ-IR-RIS" id="mVz-FE-G7d"/>
+                        <outlet property="zipButton" destination="Uwd-kM-cdh" id="zCa-UM-3rx"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="565" y="412"/>
+        </scene>
+    </scenes>
+</document>

SwiftExample/SwiftExample/Info.plist

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

SwiftExample/SwiftExample/Sample Data/China to ban ivory trade.md

@@ -0,0 +1,9 @@
+# China to ban ivory trade
+
+**HONG KONG** — It could be the beginning of the end for the illicit trade in ivory.
+
+Last month, on a state visit to Washington, Chinese President Xi Jinping promised to stop the commercial trade in ivory in his country but gave few details about the timing and extent of such a move.
+
+Now, a senior U.S. government official says that the Chinese ban could be in place within a year or so, with very narrow exceptions, describing it as a “huge” deal.
+
+Such a move, conservationists say, would be a major step toward ending the poaching crisis that is decimating Africa’s elephant herds.

SwiftExample/SwiftExample/Sample Data/Kerry in Syria.md

@@ -0,0 +1,9 @@
+# Kerry in Syria
+
+**VIENNA** — The war raging in Syria took center stage for Secretary of State John F. Kerry on Friday as he kicked off a series of meetings with diplomats seeking common ground on a strategy to resolve the grinding conflict.
+
+But the foreign ministers of the three countries meeting with Kerry — Russia, Saudi Arabia and NATO-member Turkey — carry sharply competing views on how to proceed.
+
+Saudi Arabia and Turkey, the neighboring country that has been overwhelmed with Syrian refugees, agree with Washington that Syrian President Bashar Al-Assad should eventually leave power.
+
+Moscow is one of Assad’s biggest backers, and in recent weeks has positioned its military in Syria and conducted heavy airstrikes that have allowed Assad’s forces to resume ground offensives. The Russian military intervention also has alarmed the Pentagon, which is leading a separate air campaign against the Islamic State.

SwiftExample/SwiftExample/ViewController.swift

@@ -0,0 +1,125 @@
+//
+//  ViewController.swift
+//  SwiftExample
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+import UIKit
+
+#if UseCarthage
+    import ZipArchive
+#else
+    import SSZipArchive
+#endif
+
+class ViewController: UIViewController {
+
+    @IBOutlet weak var zipButton: UIButton!
+    @IBOutlet weak var unzipButton: UIButton!
+    @IBOutlet weak var resetButton: UIButton!
+
+    @IBOutlet weak var file1: UILabel!
+    @IBOutlet weak var file2: UILabel!
+    @IBOutlet weak var file3: UILabel!
+
+    var zipPath: String?
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // Do any additional setup after loading the view, typically from a nib.
+    }
+
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+        // Dispose of any resources that can be recreated.
+    }
+
+    // MARK: IBAction
+
+    @IBAction func zipPressed(_: UIButton) {
+        let sampleDataPath = NSBundle.mainBundle().bundleURL.URLByAppendingPathComponent("Sample Data").path
+        zipPath = tempZipPath()
+
+        let success = SSZipArchive.createZipFileAtPath(zipPath, withContentsOfDirectory: sampleDataPath)
+        if success {
+            unzipButton.enabled = true
+            zipButton.enabled = false
+        }
+    }
+
+    @IBAction func unzipPressed(_: UIButton) {
+        guard let zipPath = self.zipPath else {
+            return
+        }
+
+        guard let unzipPath = tempUnzipPath() else {
+            return
+        }
+
+        let success = SSZipArchive.unzipFileAtPath(zipPath, toDestination: unzipPath)
+        if !success {
+            return
+        }
+
+        var items: [String]
+        do {
+            items = try NSFileManager.defaultManager().contentsOfDirectoryAtPath(unzipPath)
+        } catch {
+            return
+        }
+
+        for (index, item) in items.enumerate() {
+            switch index {
+            case 0:
+                file1.text = item
+            case 1:
+                file2.text = item
+            case 2:
+                file3.text = item
+            default:
+                print("Went beyond index of assumed files")
+            }
+        }
+
+        unzipButton.enabled = false
+        resetButton.enabled = true
+    }
+
+    @IBAction func resetPressed(_: UIButton) {
+        file1.text = ""
+        file2.text = ""
+        file3.text = ""
+        zipButton.enabled = true
+        unzipButton.enabled = false
+        resetButton.enabled = false
+    }
+
+    // MARK: Private
+
+    func tempZipPath() -> String {
+        var path = NSSearchPathForDirectoriesInDomains(.CachesDirectory, .UserDomainMask, true)[0]
+        path += "/\(NSUUID().UUIDString).zip"
+        return path
+    }
+
+    func tempUnzipPath() -> String? {
+        var path = NSSearchPathForDirectoriesInDomains(.CachesDirectory, .UserDomainMask, true)[0]
+        path += "/\(NSUUID().UUIDString)"
+        let url = NSURL(fileURLWithPath: path)
+
+        do {
+            try NSFileManager.defaultManager().createDirectoryAtURL(url, withIntermediateDirectories: true, attributes: nil)
+        } catch {
+            return nil
+        }
+
+        if let path = url.path {
+            return path
+        }
+
+        return nil
+    }
+    
+}

SwiftExample/SwiftExampleTests/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

SwiftExample/SwiftExampleTests/SwiftExampleTests.swift

@@ -0,0 +1,36 @@
+//
+//  SwiftExampleTests.swift
+//  SwiftExampleTests
+//
+//  Created by Sean Soper on 10/23/15.
+//
+//
+
+import XCTest
+@testable import SwiftExample
+
+class SwiftExampleTests: XCTestCase {
+    
+    override func setUp() {
+        super.setUp()
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+    
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+        super.tearDown()
+    }
+    
+    func testExample() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+    
+    func testPerformanceExample() {
+        // This is an example of a performance test case.
+        self.measureBlock {
+            // Put the code you want to measure the time of here.
+        }
+    }
+    
+}