Added unit tests for playing around with the logic.

Tests/Tests-Info.plist

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+<?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>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.lyndir.lhunath.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</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>

Tests/Tests-Prefix.pch

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+//
+// Prefix header for all source files of the 'Tests' target in the 'Tests' project
+//
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
+
+#import "MasterPassword-Prefix.pch"

Tests/Tests.h

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+//
+//  Tests.h
+//  Tests
+//
+//  Created by Maarten Billemont on 04/07/12.
+//  Copyright (c) 2012 Lyndir. All rights reserved.
+//
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface Tests : SenTestCase
+
+@end

Tests/Tests.m

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+//
+//  Tests.m
+//  Tests
+//
+//  Created by Maarten Billemont on 04/07/12.
+//  Copyright (c) 2012 Lyndir. All rights reserved.
+//
+
+#import "Tests.h"
+
+@implementation Tests
+
+- (void)setUp
+{
+    dbg(@"======================= TEST SET-UP ======================");
+    [PearlLogger get].autoprintLevel = PearlLogLevelTrace;
+
+    [super setUp];
+    
+    // Set-up code here.
+}
+
+- (void)tearDown
+{
+    dbg(@"===================== TEST TEAR-DOWN =====================");
+    // Tear-down code here.
+    
+    [super tearDown];
+}
+
+- (void)testAlgorithm
+{
+    NSString *masterPassword = @"test-mp";
+    NSString *username = @"test-user";
+    NSString *siteName = @"test-site";
+    MPElementType siteType = MPElementTypeGeneratedLong;
+    uint32_t siteCounter = 42;
+    
+    NSString *sitePassword = MPCalculateContent( siteType, siteName, keyForPassword( masterPassword, username ), siteCounter );
+    
+    inf( @"master password: %@, username: %@\nsite name: %@, site type: %@, site counter: %d\n    => site password: %@",
+               masterPassword, username, siteName, NSStringFromMPElementType(siteType), siteCounter, sitePassword );
+}
+
+@end

Tests/en.lproj/InfoPlist.strings

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+/* Localized versions of Info.plist keys */
+