add failing tests for forward compatibility from v1

2026-01-12 22:53:17 +08:00 · 2015-02-17 16:07:00 +09:00
parent 7ebb3ea714
commit 2c0e3e04e9
4 changed files with 779 additions and 0 deletions
--- a/Lib/UICKeyChainStore.xcodeproj/project.pbxproj
+++ b/Lib/UICKeyChainStore.xcodeproj/project.pbxproj
@@ -21,6 +21,14 @@
 		14A59D271A62F4DA006561CC /* libUICKeyChainStore.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 14A59D1C1A62F4DA006561CC /* libUICKeyChainStore.a */; };
 		14A59D331A62F510006561CC /* UICKeyChainStoreTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 14A59CAF1A62CF6E006561CC /* UICKeyChainStoreTests.m */; };
 		14A59D361A641129006561CC /* UICKeyChainStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 14A59CD71A62D4C3006561CC /* UICKeyChainStore.m */; };
+		3ACDC27F1A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */; };
+		3ACDC2801A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */; };
+		3ACDC2811A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */; };
+		3ACDC2821A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */; };
+		3ACDC2891A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */; };
+		3ACDC28A1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */; };
+		3ACDC28B1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */; };
+		3ACDC28C1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */; };
 /* End PBXBuildFile section */

 /* Begin PBXContainerItemProxy section */
@@ -80,6 +88,9 @@
 		14A59D081A62F336006561CC /* libUICKeyChainStore-iOSTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "libUICKeyChainStore-iOSTests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
 		14A59D1C1A62F4DA006561CC /* libUICKeyChainStore.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libUICKeyChainStore.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		14A59D261A62F4DA006561CC /* libUICKeyChainStore-MacTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "libUICKeyChainStore-MacTests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
+		3ACDC27D1A931BCE00C7A63A /* UICv1KeyChainStore.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UICv1KeyChainStore.h; sourceTree = "<group>"; };
+		3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = UICv1KeyChainStore.m; sourceTree = "<group>"; };
+		3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = UICKeyChainStoreForwardCompatibilityTests.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */

 /* Begin PBXFrameworksBuildPhase section */
@@ -191,7 +202,9 @@
 		14A59CAC1A62CF6E006561CC /* UICKeyChainStoreTests */ = {
 			isa = PBXGroup;
 			children = (
+				3ACDC27C1A931BCE00C7A63A /* v1.1.1-Lib */,
 				14A59CAF1A62CF6E006561CC /* UICKeyChainStoreTests.m */,
+				3ACDC2881A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m */,
 				14A59CAD1A62CF6E006561CC /* Supporting Files */,
 			);
 			path = UICKeyChainStoreTests;
@@ -205,6 +218,15 @@
 			name = "Supporting Files";
 			sourceTree = "<group>";
 		};
+		3ACDC27C1A931BCE00C7A63A /* v1.1.1-Lib */ = {
+			isa = PBXGroup;
+			children = (
+				3ACDC27D1A931BCE00C7A63A /* UICv1KeyChainStore.h */,
+				3ACDC27E1A931BCE00C7A63A /* UICv1KeyChainStore.m */,
+			);
+			path = "v1.1.1-Lib";
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */

 /* Begin PBXHeadersBuildPhase section */
@@ -494,6 +516,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				14A59CB01A62CF6E006561CC /* UICKeyChainStoreTests.m in Sources */,
+				3ACDC2891A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */,
+				3ACDC27F1A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -510,6 +534,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				14A59CDA1A62D6B0006561CC /* UICKeyChainStoreTests.m in Sources */,
+				3ACDC28A1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */,
+				3ACDC2801A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -526,6 +552,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				14A59D151A62F3BD006561CC /* UICKeyChainStoreTests.m in Sources */,
+				3ACDC28B1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */,
+				3ACDC2811A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -542,6 +570,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				14A59D331A62F510006561CC /* UICKeyChainStoreTests.m in Sources */,
+				3ACDC28C1A931CE900C7A63A /* UICKeyChainStoreForwardCompatibilityTests.m in Sources */,
+				3ACDC2821A931BCE00C7A63A /* UICv1KeyChainStore.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
--- a/Lib/UICKeyChainStoreTests/UICKeyChainStoreForwardCompatibilityTests.m
+++ b/Lib/UICKeyChainStoreTests/UICKeyChainStoreForwardCompatibilityTests.m
@@ -0,0 +1,49 @@
+//
+//  UICKeyChainStoreForwardCompatibilityTests.m
+//  UICKeyChainStore
+//
+//  Created by goro-fuji on 2/17/15.
+//  Copyright (c) 2015 kishikawa katsumi. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+#import "UICKeyChainStore.h"
+#import "UICv1KeyChainStore.h"
+
+@interface UICKeyChainStoreForwardCompatibilityTests : XCTestCase
+
+@end
+
+@implementation UICKeyChainStoreForwardCompatibilityTests
+
+- (void)setUp {
+    [super setUp];
+
+    [UICKeyChainStore setDefaultService:@(__FILE__)];
+    [UICv1KeyChainStore setDefaultService:@(__FILE__)];
+
+    [UICKeyChainStore removeAllItems];
+}
+
+- (void)tearDown {
+    [UICKeyChainStore removeAllItems];
+
+    [super tearDown];
+}
+
+- (void)testReadV1DataFromV2 {
+    [UICv1KeyChainStore setString:@"http://example.com/" forKey:@"url"];
+
+
+    XCTAssertEqualObjects([UICKeyChainStore stringForKey:@"url"], @"http://example.com/");
+
+}
+
+- (void)testReadV2DataFromV1 {
+    [UICKeyChainStore setString:@"http://example.com/" forKey:@"url"];
+
+
+    XCTAssertEqualObjects([UICv1KeyChainStore stringForKey:@"url"], @"http://example.com/");
+}
+@end
--- a/Lib/UICKeyChainStoreTests/v1.1.1-Lib/UICv1KeyChainStore.h
+++ b/Lib/UICKeyChainStoreTests/v1.1.1-Lib/UICv1KeyChainStore.h
@@ -0,0 +1,94 @@
+//
+//  a copy of UICKeyChainStore.h v1.1.1 for testing
+//
+//  Created by Kishikawa Katsumi on 11/11/20.
+//  Copyright (c) 2011 Kishikawa Katsumi. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+extern NSString * const UICv1KeyChainStoreErrorDomain;
+
+typedef NS_ENUM(NSInteger, UICv1KeyChainStoreErrorCode) {
+    UICv1KeyChainStoreErrorInvalidArguments = 1,
+};
+
+@interface UICv1KeyChainStore : NSObject
+
+@property (nonatomic, readonly) NSString *service;
+@property (nonatomic, readonly) NSString *accessGroup;
+
+ (NSString *)defaultService;
+ (void)setDefaultService:(NSString *)defaultService;
+
+ (UICv1KeyChainStore *)keyChainStore;
+ (UICv1KeyChainStore *)keyChainStoreWithService:(NSString *)service;
+ (UICv1KeyChainStore *)keyChainStoreWithService:(NSString *)service accessGroup:(NSString *)accessGroup;
+
+- (instancetype)init;
+- (instancetype)initWithService:(NSString *)service;
+- (instancetype)initWithService:(NSString *)service accessGroup:(NSString *)accessGroup;
+
+ (NSString *)stringForKey:(NSString *)key;
+ (NSString *)stringForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service;
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+
+ (NSData *)dataForKey:(NSString *)key;
+ (NSData *)dataForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service;
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+
+- (void)setString:(NSString *)string forKey:(NSString *)key;
+- (BOOL)setString:(NSString *)string forKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+- (NSString *)stringForKey:(NSString *)key;
+- (NSString *)stringForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+
+- (void)setData:(NSData *)data forKey:(NSString *)key;
+- (BOOL)setData:(NSData *)data forKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+- (NSData *)dataForKey:(NSString *)key;
+- (NSData *)dataForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+
+ (BOOL)removeItemForKey:(NSString *)key;
+ (BOOL)removeItemForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service;
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+ (BOOL)removeAllItems;
+ (BOOL)removeAllItemsWithError:(NSError * __autoreleasing *)error;
+ (BOOL)removeAllItemsForService:(NSString *)service;
+ (BOOL)removeAllItemsForService:(NSString *)service error:(NSError * __autoreleasing *)error;
+ (BOOL)removeAllItemsForService:(NSString *)service accessGroup:(NSString *)accessGroup;
+ (BOOL)removeAllItemsForService:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError * __autoreleasing *)error;
+
+- (void)removeItemForKey:(NSString *)key;
+- (BOOL)removeItemForKey:(NSString *)key error:(NSError * __autoreleasing *)error;
+- (void)removeAllItems;
+- (BOOL)removeAllItemsWithError:(NSError * __autoreleasing *)error;
+
+- (void)synchronize;
+- (BOOL)synchronizeWithError:(NSError *__autoreleasing *)error;
+
+// object subscripting
+
+- (NSString *)objectForKeyedSubscript:(NSString <NSCopying> *)key;
+- (void)setObject:(NSString *)obj forKeyedSubscript:(NSString <NSCopying> *)key;
+
+@end
--- a/Lib/UICKeyChainStoreTests/v1.1.1-Lib/UICv1KeyChainStore.m
+++ b/Lib/UICKeyChainStoreTests/v1.1.1-Lib/UICv1KeyChainStore.m
@@ -0,0 +1,606 @@
+//
+//  a copy of UICKeyChainStore.m v1.1.1 for testing
+//
+//  Created by Kishikawa Katsumi on 11/11/20.
+//  Copyright (c) 2011 Kishikawa Katsumi. All rights reserved.
+//
+
+#import "UICv1KeyChainStore.h"
+
+NSString * const UICv1KeyChainStoreErrorDomain = @"com.kishikawakatsumi.uickeychainstore";
+static NSString *_defaultService;
+
+@interface UICv1KeyChainStore () {
+    NSMutableDictionary *itemsToUpdate;
+}
+
+@end
+
+@implementation UICv1KeyChainStore
+
+ (NSString *)defaultService
+{
+    if (!_defaultService) {
+        _defaultService = [[NSBundle mainBundle] bundleIdentifier];
+    }
+    
+    return _defaultService;
+}
+
+ (void)setDefaultService:(NSString *)defaultService
+{
+    _defaultService = defaultService;
+}
+
+#pragma mark -
+
+ (UICv1KeyChainStore *)keyChainStore
+{
+    return [[self alloc] initWithService:[self defaultService]];
+}
+
+ (UICv1KeyChainStore *)keyChainStoreWithService:(NSString *)service
+{
+    return [[self alloc] initWithService:service];
+}
+
+ (UICv1KeyChainStore *)keyChainStoreWithService:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [[self alloc] initWithService:service accessGroup:accessGroup];
+}
+
+- (instancetype)init
+{
+    return [self initWithService:[self.class defaultService] accessGroup:nil];
+}
+
+- (instancetype)initWithService:(NSString *)service
+{
+    return [self initWithService:service accessGroup:nil];
+}
+
+- (instancetype)initWithService:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    self = [super init];
+    if (self) {
+        if (!service) {
+            service = [self.class defaultService];
+        }
+        _service = [service copy];
+        _accessGroup = [accessGroup copy];
+        
+        itemsToUpdate = [[NSMutableDictionary alloc] init];
+    }
+    
+    return self;
+}
+
+#pragma mark -
+
+ (NSString *)stringForKey:(NSString *)key
+{
+    return [self stringForKey:key error:nil];
+}
+
+ (NSString *)stringForKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    return [self stringForKey:key service:nil error:error];
+}
+
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service
+{
+    return [self stringForKey:key service:service error:nil];
+}
+
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self stringForKey:key service:service accessGroup:nil error:error];
+}
+
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self stringForKey:key service:service accessGroup:accessGroup error:nil];
+}
+
+ (NSString *)stringForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    NSData *data = [self dataForKey:key service:service accessGroup:accessGroup error:error];
+    if (data) {
+        return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    }
+    
+    return nil;
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key
+{
+    return [self setString:value forKey:key error:nil];
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    return [self setString:value forKey:key service:nil error:error];
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service
+{
+    return [self setString:value forKey:key service:service error:nil];
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self setString:value forKey:key service:service accessGroup:nil error:error];
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self setString:value forKey:key service:service accessGroup:accessGroup error:nil];
+}
+
+ (BOOL)setString:(NSString *)value forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    NSData *data = [value dataUsingEncoding:NSUTF8StringEncoding];
+    return [self setData:data forKey:key service:service accessGroup:accessGroup error:error];
+}
+
+#pragma mark -
+
+ (NSData *)dataForKey:(NSString *)key
+{
+    return [self dataForKey:key error:nil];
+}
+
+ (NSData *)dataForKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    return [self dataForKey:key service:nil error:error];
+}
+
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service
+{
+    return [self dataForKey:key service:service error:nil];
+}
+
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self dataForKey:key service:service accessGroup:nil error:error];
+}
+
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self dataForKey:key service:service accessGroup:accessGroup error:nil];
+}
+
+ (NSData *)dataForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    if (!key) {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:UICv1KeyChainStoreErrorInvalidArguments userInfo:@{NSLocalizedDescriptionKey: NSLocalizedString(@"`key` must not to be nil", nil)}];
+        }
+        return nil;
+    }
+    if (!service) {
+        service = [self defaultService];
+    }
+    
+    NSMutableDictionary *query = [[NSMutableDictionary alloc] init];
+    [query setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+    [query setObject:(__bridge id)kCFBooleanTrue forKey:(__bridge id)kSecReturnData];
+    [query setObject:(__bridge id)kSecMatchLimitOne forKey:(__bridge id)kSecMatchLimit];
+    [query setObject:service forKey:(__bridge id)kSecAttrService];
+    [query setObject:key forKey:(__bridge id)kSecAttrGeneric];
+    [query setObject:key forKey:(__bridge id)kSecAttrAccount];
+#if !TARGET_IPHONE_SIMULATOR && defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    if (accessGroup) {
+        [query setObject:accessGroup forKey:(__bridge id)kSecAttrAccessGroup];
+    }
+#endif
+    
+    CFTypeRef data = nil;
+    OSStatus status = SecItemCopyMatching((__bridge CFDictionaryRef)query, &data);
+    if (status != errSecSuccess) {
+        if (status != errSecItemNotFound) {
+            if (error) {
+                *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+            }
+        }
+        return nil;
+    }
+    
+    NSData *ret = [NSData dataWithData:(__bridge NSData *)data];
+    if (data) {
+        CFRelease(data);
+    }
+    
+    return ret;
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key
+{
+    return [self setData:data forKey:key error:nil];
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    return [self setData:data forKey:key service:nil error:error];
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service
+{
+    return [self setData:data forKey:key service:service error:nil];
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self setData:data forKey:key service:service accessGroup:nil error:error];
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self setData:data forKey:key service:service accessGroup:accessGroup error:nil];
+}
+
+ (BOOL)setData:(NSData *)data forKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    if (!key) {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:UICv1KeyChainStoreErrorInvalidArguments userInfo:@{NSLocalizedDescriptionKey: NSLocalizedString(@"`key` must not to be nil", nil)}];
+        }
+        return NO;
+    }
+    if (!service) {
+        service = [self defaultService];
+    }
+    
+    NSMutableDictionary *query = [[NSMutableDictionary alloc] init];
+    [query setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+    [query setObject:service forKey:(__bridge id)kSecAttrService];
+    [query setObject:key forKey:(__bridge id)kSecAttrGeneric];
+    [query setObject:key forKey:(__bridge id)kSecAttrAccount];
+#if !TARGET_IPHONE_SIMULATOR && defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    if (accessGroup) {
+        [query setObject:accessGroup forKey:(__bridge id)kSecAttrAccessGroup];
+    }
+#endif
+    
+    OSStatus status = SecItemCopyMatching((__bridge CFDictionaryRef)query, NULL);
+    if (status == errSecSuccess) {
+        if (data) {
+            NSMutableDictionary *attributesToUpdate = [[NSMutableDictionary alloc] init];
+            [attributesToUpdate setObject:data forKey:(__bridge id)kSecValueData];
+            
+            status = SecItemUpdate((__bridge CFDictionaryRef)query, (__bridge CFDictionaryRef)attributesToUpdate);
+            if (status != errSecSuccess) {
+                if (error) {
+                    *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+                }
+                return NO;
+            }
+        } else {
+            [self removeItemForKey:key service:service accessGroup:accessGroup];
+        }
+    } else if (status == errSecItemNotFound) {
+        if (!data) {
+            return YES;
+        }
+        NSMutableDictionary *attributes = [[NSMutableDictionary alloc] init];
+        [attributes setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+        [attributes setObject:service forKey:(__bridge id)kSecAttrService];
+        [attributes setObject:key forKey:(__bridge id)kSecAttrGeneric];
+        [attributes setObject:key forKey:(__bridge id)kSecAttrAccount];
+#if TARGET_OS_IPHONE || (defined(MAC_OS_X_VERSION_10_9) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9)
+        [attributes setObject:(__bridge id)kSecAttrAccessibleAfterFirstUnlock forKey:(__bridge id)kSecAttrAccessible];
+#endif
+        [attributes setObject:data forKey:(__bridge id)kSecValueData];
+#if !TARGET_IPHONE_SIMULATOR && defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+        if (accessGroup) {
+            [attributes setObject:accessGroup forKey:(__bridge id)kSecAttrAccessGroup];
+        }
+#endif
+        
+        status = SecItemAdd((__bridge CFDictionaryRef)attributes, NULL);
+        if (status != errSecSuccess) {
+            if (error) {
+                *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+            }
+            return NO;
+        }
+    } else {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+        }
+        return NO;
+    }
+    
+    return YES;
+}
+
+#pragma mark -
+
+- (void)setString:(NSString *)string forKey:(NSString *)key
+{
+    [self setData:[string dataUsingEncoding:NSUTF8StringEncoding] forKey:key error:nil];
+}
+
+- (BOOL)setString:(NSString *)string forKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    [self setData:[string dataUsingEncoding:NSUTF8StringEncoding] forKey:key error:error];
+    return error == nil;
+}
+
+- (NSString *)stringForKey:(id)key
+{
+    return [self stringForKey:key error:nil];
+}
+
+- (NSString *)stringForKey:(id)key error:(NSError *__autoreleasing *)error
+{
+    NSData *data = [self dataForKey:key error:error];
+    if (data) {
+        return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    }
+    
+    return nil;
+}
+
+#pragma mark -
+
+- (void)setData:(NSData *)data forKey:(NSString *)key
+{
+    [self setData:data forKey:key error:nil];
+}
+
+- (BOOL)setData:(NSData *)data forKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    if (!key) {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:UICv1KeyChainStoreErrorInvalidArguments userInfo:@{NSLocalizedDescriptionKey: NSLocalizedString(@"`key` must not to be nil", nil)}];
+        }
+        return error == nil;
+    }
+    if (!data) {
+        [self removeItemForKey:key error:error];
+    } else {
+        [itemsToUpdate setObject:data forKey:key];
+    }
+    return error == nil;
+}
+
+- (NSData *)dataForKey:(NSString *)key
+{
+    return [self dataForKey:key error:nil];
+}
+
+- (NSData *)dataForKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    NSData *data = [itemsToUpdate objectForKey:key];
+    if (!data) {
+        data = [self.class dataForKey:key service:self.service accessGroup:self.accessGroup error:error];
+    }
+    
+    return data;
+}
+
+#pragma mark -
+
+ (BOOL)removeItemForKey:(NSString *)key
+{
+    return [self removeItemForKey:key error:nil];
+}
+
+ (BOOL)removeItemForKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    return [self removeItemForKey:key service:nil error:error];
+}
+
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service
+{
+    return [self removeItemForKey:key service:service error:nil];
+}
+
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self removeItemForKey:key service:service accessGroup:nil error:error];
+}
+
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self removeItemForKey:key service:service accessGroup:accessGroup error:nil];
+}
+
+ (BOOL)removeItemForKey:(NSString *)key service:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    if (!key) {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:UICv1KeyChainStoreErrorInvalidArguments userInfo:@{NSLocalizedDescriptionKey: NSLocalizedString(@"`key` must not to be nil", nil)}];
+        }
+        return NO;
+    }
+    if (!service) {
+        service = [self defaultService];
+    }
+    
+    NSMutableDictionary *itemToDelete = [[NSMutableDictionary alloc] init];
+    [itemToDelete setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+    [itemToDelete setObject:service forKey:(__bridge id)kSecAttrService];
+    [itemToDelete setObject:key forKey:(__bridge id)kSecAttrGeneric];
+    [itemToDelete setObject:key forKey:(__bridge id)kSecAttrAccount];
+#if !TARGET_IPHONE_SIMULATOR && defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    if (accessGroup) {
+        [itemToDelete setObject:accessGroup forKey:(__bridge id)kSecAttrAccessGroup];
+    }
+#endif
+    
+    OSStatus status = SecItemDelete((__bridge CFDictionaryRef)itemToDelete);
+    if (status != errSecSuccess && status != errSecItemNotFound) {
+        if (error) {
+            *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+        }
+        return NO;
+    }
+    
+    return YES;
+}
+
+ (NSArray *)itemsForService:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    if (!service) {
+        service = [self defaultService];
+    }
+    
+    NSMutableDictionary *query = [[NSMutableDictionary alloc] init];
+    [query setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+    [query setObject:(id)kCFBooleanTrue forKey:(__bridge id)kSecReturnAttributes];
+    [query setObject:(id)kCFBooleanTrue forKey:(__bridge id)kSecReturnData];
+    [query setObject:(__bridge id)kSecMatchLimitAll forKey:(__bridge id)kSecMatchLimit];
+    [query setObject:service forKey:(__bridge id)kSecAttrService];
+#if !TARGET_IPHONE_SIMULATOR && defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    if (accessGroup) {
+        [query setObject:accessGroup forKey:(__bridge id)kSecAttrAccessGroup];
+    }
+#endif
+    
+    CFArrayRef result = nil;
+    OSStatus status = SecItemCopyMatching((__bridge CFDictionaryRef)query, (CFTypeRef *)&result);
+    if (status == errSecSuccess || status == errSecItemNotFound) {
+        return CFBridgingRelease(result);
+    } else {
+        return nil;
+    }
+}
+
+ (BOOL)removeAllItems
+{
+    return [self removeAllItemsWithError:nil];
+}
+
+ (BOOL)removeAllItemsWithError:(NSError *__autoreleasing *)error
+{
+    return [self removeAllItemsForService:nil error:error];
+}
+
+ (BOOL)removeAllItemsForService:(NSString *)service
+{
+    return [self removeAllItemsForService:service error:nil];
+}
+
+ (BOOL)removeAllItemsForService:(NSString *)service error:(NSError *__autoreleasing *)error
+{
+    return [self removeAllItemsForService:service accessGroup:nil error:error];
+}
+
+ (BOOL)removeAllItemsForService:(NSString *)service accessGroup:(NSString *)accessGroup
+{
+    return [self removeAllItemsForService:service accessGroup:accessGroup error:nil];
+}
+
+ (BOOL)removeAllItemsForService:(NSString *)service accessGroup:(NSString *)accessGroup error:(NSError *__autoreleasing *)error
+{
+    NSArray *items = [UICv1KeyChainStore itemsForService:service accessGroup:accessGroup];
+    for (NSDictionary *item in items) {
+        NSMutableDictionary *itemToDelete = [[NSMutableDictionary alloc] initWithDictionary:item];
+        [itemToDelete setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id)kSecClass];
+        
+        OSStatus status = SecItemDelete((__bridge CFDictionaryRef)itemToDelete);
+        if (status != errSecSuccess) {
+            if (error) {
+                *error = [NSError errorWithDomain:UICv1KeyChainStoreErrorDomain code:status userInfo:nil];
+            }
+            return NO;
+        }
+    }
+    
+    return YES;
+}
+
+#pragma mark -
+
+- (void)removeItemForKey:(NSString *)key
+{
+    if ([itemsToUpdate objectForKey:key]) {
+        [itemsToUpdate removeObjectForKey:key];
+    } else {
+        [self.class removeItemForKey:key service:self.service accessGroup:self.accessGroup error:nil];
+    }
+}
+
+- (BOOL)removeItemForKey:(NSString *)key error:(NSError *__autoreleasing *)error
+{
+    if ([itemsToUpdate objectForKey:key]) {
+        [itemsToUpdate removeObjectForKey:key];
+    } else {
+        [self.class removeItemForKey:key service:self.service accessGroup:self.accessGroup error:error];
+    }
+    return error == nil;
+}
+
+- (void)removeAllItems
+{
+    [self removeAllItemsWithError:nil];
+}
+
+- (BOOL)removeAllItemsWithError:(NSError *__autoreleasing *)error
+{
+    [itemsToUpdate removeAllObjects];
+    return [self.class removeAllItemsForService:self.service accessGroup:self.accessGroup error:error];
+}
+
+#pragma mark -
+
+- (void)synchronize
+{
+    for (NSString *key in itemsToUpdate) {
+        [self.class setData:[itemsToUpdate objectForKey:key] forKey:key service:self.service accessGroup:self.accessGroup error:nil];
+    }
+    
+    [itemsToUpdate removeAllObjects];
+}
+
+- (BOOL)synchronizeWithError:(NSError *__autoreleasing *)error
+{
+    for (NSString *key in itemsToUpdate) {
+        [self.class setData:[itemsToUpdate objectForKey:key] forKey:key service:self.service accessGroup:self.accessGroup error:error];
+    }
+    
+    [itemsToUpdate removeAllObjects];
+    return error == nil;
+}
+
+#pragma mark -
+
+- (NSString *)description
+{
+    NSArray *items = [UICv1KeyChainStore itemsForService:self.service accessGroup:self.accessGroup];
+    NSMutableArray *list = [[NSMutableArray alloc] initWithCapacity:items.count];
+    for (NSDictionary *attributes in items) {
+        NSMutableDictionary *attrs = [[NSMutableDictionary alloc] init];
+        [attrs setObject:[attributes objectForKey:(__bridge id)kSecAttrService] forKey:@"Service"];
+        [attrs setObject:[attributes objectForKey:(__bridge id)kSecAttrAccount] forKey:@"Account"];
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+        [attrs setObject:[attributes objectForKey:(__bridge id)kSecAttrAccessGroup] forKey:@"AccessGroup"];
+#endif
+        NSData *data = [attributes objectForKey:(__bridge id)kSecValueData];
+        NSString *string = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+        if (string) {
+            [attrs setObject:string forKey:@"Value"];
+        } else {
+            [attrs setObject:data forKey:@"Value"];
+        }
+        [list addObject:attrs];
+    }
+    
+    return [list description];
+}
+
+#pragma mark - Object Subscripting
+
+- (NSString *)objectForKeyedSubscript:(NSString <NSCopying> *)key
+{
+    return [self stringForKey:key];
+}
+
+- (void)setObject:(NSString *)obj forKeyedSubscript:(NSString <NSCopying> *)key
+{
+    [self setString:obj forKey:key];
+}
+
+@end