iOS 使用Keychain 保存 用户名和密码到 本地

之前曾把一些简单的数据保存在了plist,文件，及NsuserDefault里面，

但是如果要保存密码之类的，保存在本地就很不安全了；

但是利用 Keychain 我们可以很安全的把 用户密码等信息保存在本地

1：使用苹果官方封装好的Keychain操作类

GenericKeychain

2：使用 开源的keychain操作

sskeychain

  1. #import <XCTest/XCTest.h>
  2. #import "SSKeychain.h"
  3.  
  4. static NSString *const kSSKeychainServiceName = @"SSToolkitTestService";
  5. static NSString *const kSSKeychainAccountName = @"SSToolkitTestAccount";
  6. static NSString *const kSSKeychainPassword = @"SSToolkitTestPassword";
  7. static NSString *const kSSKeychainLabel = @"SSToolkitLabel";
  8.  
  9. @interface SSKeychainTests : XCTestCase
  10. @end
  11.  
  12. @implementation SSKeychainTests
  13.  
  14. - (void)testNewItem {
  15.     // New item
  16.     SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
  17.     query.password = kSSKeychainPassword;
  18.     query.service = kSSKeychainServiceName;
  19.     query.account = kSSKeychainAccountName;
  20.     query.label = kSSKeychainLabel;
  21.  
  22.     NSError *error;
  23.     XCTAssertTrue([query save:&error], @"Unable to save item: %@", error);
  24.  
  25.     // Look up
  26.     query = [[SSKeychainQuery alloc] init];
  27.     query.service = kSSKeychainServiceName;
  28.     query.account = kSSKeychainAccountName;
  29.     query.password = nil;
  30.  
  31.     XCTAssertTrue([query fetch:&error], @"Unable to fetch keychain item: %@", error);
  32.     XCTAssertEqualObjects(query.password, kSSKeychainPassword, @"Passwords were not equal");
  33.  
  34.     // Search for all accounts
  35.     query = [[SSKeychainQuery alloc] init];
  36.     NSArray *accounts = [query fetchAll:&error];
  37.     XCTAssertNotNil(accounts, @"Unable to fetch accounts: %@", error);
  38.     XCTAssertTrue([self _accounts:accounts containsAccountWithName:kSSKeychainAccountName], @"Matching account was not returned");
  39.  
  40.     // Check accounts for service
  41.     query.service = kSSKeychainServiceName;
  42.     accounts = [query fetchAll:&error];
  43.     XCTAssertNotNil(accounts, @"Unable to fetch accounts: %@", error);
  44.     XCTAssertTrue([self _accounts:accounts containsAccountWithName:kSSKeychainAccountName], @"Matching account was not returned");
  45.  
  46.     // Delete
  47.     query = [[SSKeychainQuery alloc] init];
  48.     query.service = kSSKeychainServiceName;
  49.     query.account = kSSKeychainAccountName;
  50.     XCTAssertTrue([query deleteItem:&error], @"Unable to delete password: %@", error);
  51. }
  52.  
  53. - (void)testPasswordObject {
  54.     SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
  55.     query.service = kSSKeychainServiceName;
  56.     query.account = kSSKeychainAccountName;
  57.  
  58.     NSDictionary *dictionary = @{@"number": @, @"string": @"Hello World"};
  59.     query.passwordObject = dictionary;
  60.  
  61.     NSError *error;
  62.     XCTAssertTrue([query save:&error], @"Unable to save item: %@", error);
  63.  
  64.     query = [[SSKeychainQuery alloc] init];
  65.     query.service = kSSKeychainServiceName;
  66.     query.account = kSSKeychainAccountName;
  67.     query.passwordObject = nil;
  68.     XCTAssertTrue([query fetch:&error], @"Unable to fetch keychain item: %@", error);
  69.     XCTAssertEqualObjects(query.passwordObject, dictionary, @"Passwords were not equal");
  70. }
  71.  
  72. - (void)testMissingInformation {
  73.     SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
  74.     query.service = kSSKeychainServiceName;
  75.     query.account = kSSKeychainAccountName;
  76.  
  77.     NSError *error;
  78.     XCTAssertFalse([query save:&error], @"Function should return NO as not all needed information is provided: %@", error);
  79.  
  80.     query = [[SSKeychainQuery alloc] init];
  81.     query.password = kSSKeychainPassword;
  82.     query.account = kSSKeychainAccountName;
  83.     XCTAssertFalse([query save:&error], @"Function should return NO as not all needed information is provided: %@", error);
  84.  
  85.     query = [[SSKeychainQuery alloc] init];
  86.     query.password = kSSKeychainPassword;
  87.     query.service = kSSKeychainServiceName;
  88.     XCTAssertFalse([query save:&error], @"Function save should return NO if not all needed information is provided: %@", error);
  89. }
  90.  
  91. - (void)testDeleteWithMissingInformation {
  92.     SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
  93.     query.account = kSSKeychainAccountName;
  94.  
  95.     NSError *error;
  96.     XCTAssertFalse([query deleteItem:&error], @"Function deleteItem should return NO if not all needed information is provided: %@", error);
  97.  
  98.     query = [[SSKeychainQuery alloc] init];
  99.     query.service = kSSKeychainServiceName;
  100.     XCTAssertFalse([query deleteItem:&error], @"Function deleteItem should return NO if not all needed information is provided: %@", error);
  101.  
  102.     // check if fetch handels missing information correctly
  103.     query = [[SSKeychainQuery alloc] init];
  104.     query.account = kSSKeychainAccountName;
  105.     XCTAssertFalse([query fetch:&error], @"Function fetch should return NO if not all needed information is provided: %@", error);
  106.  
  107.     query = [[SSKeychainQuery alloc] init];
  108.     query.service = kSSKeychainServiceName;
  109.     XCTAssertFalse([query fetch:&error], @"Function fetch should return NO if not all needed information is provided: %@", error);
  110.  
  111.     query = [[SSKeychainQuery alloc] init];
  112.     query.service = kSSKeychainServiceName;
  113.     XCTAssertFalse([query fetch:NULL], @"Function fetch should return NO if not all needed information is provided and error is NULL");
  114. }
  115.  
  116. - (void)testSynchronizable {
  117.     SSKeychainQuery *query = [[SSKeychainQuery alloc] init];
  118.     query.service = kSSKeychainServiceName;
  119.     query.account = kSSKeychainAccountName;
  120.     query.password = kSSKeychainPassword;
  121.     query.synchronizationMode = SSKeychainQuerySynchronizationModeYes;
  122.  
  123.     NSError *error;
  124.     XCTAssertTrue([query save:&error], @"Unable to save item: %@", error);
  125.  
  126.     query = [[SSKeychainQuery alloc] init];
  127.     query.service = kSSKeychainServiceName;
  128.     query.account = kSSKeychainAccountName;
  129.     query.password = nil;
  130.     query.synchronizationMode = SSKeychainQuerySynchronizationModeNo;
  131.     XCTAssertFalse([query fetch:&error], @"Fetch should fail when trying to fetch an unsynced password that was saved as synced: %@", error);
  132.     XCTAssertFalse([query fetch:NULL], @"Fetch should fail when trying to fetch an unsynced password that was saved as synced. error == NULL");
  133.  
  134.     XCTAssertNotEqualObjects(query.password, kSSKeychainPassword, @"Passwords should not be equal when trying to fetch an unsynced password that was saved as synced.");
  135.  
  136.     query = [[SSKeychainQuery alloc] init];
  137.     query.service = kSSKeychainServiceName;
  138.     query.account = kSSKeychainAccountName;
  139.     query.password = nil;
  140.     query.synchronizationMode = SSKeychainQuerySynchronizationModeAny;
  141.     XCTAssertTrue([query fetch:&error], @"Unable to fetch keychain item: %@", error);
  142.     XCTAssertEqualObjects(query.password, kSSKeychainPassword, @"Passwords were not equal");
  143. }
  144.  
  145. // Test Class Methods of SSKeychain
  146. - (void)testSSKeychain {
  147.     NSError *error = nil;
  148.  
  149.     // create a new keychain item
  150.     XCTAssertTrue([SSKeychain setPassword:kSSKeychainPassword forService:kSSKeychainServiceName account:kSSKeychainAccountName error:&error], @"Unable to save item: %@", error);
  151.  
  152.     // check password
  153.     XCTAssertEqualObjects([SSKeychain passwordForService:kSSKeychainServiceName account:kSSKeychainAccountName], kSSKeychainPassword, @"Passwords were not equal");
  154.  
  155.     // check all accounts
  156.     XCTAssertTrue([self _accounts:[SSKeychain allAccounts] containsAccountWithName:kSSKeychainAccountName], @"Matching account was not returned");
  157.     // check account
  158.     XCTAssertTrue([self _accounts:[SSKeychain accountsForService:kSSKeychainServiceName] containsAccountWithName:kSSKeychainAccountName], @"Matching account was not returned");
  159.  
  160.     // delete password
  161.     XCTAssertTrue([SSKeychain deletePasswordForService:kSSKeychainServiceName account:kSSKeychainAccountName error:&error], @"Unable to delete password: %@", error);
  162.  
  163.     // set password and delete it without error function
  164.     XCTAssertTrue([SSKeychain setPassword:kSSKeychainPassword forService:kSSKeychainServiceName account:kSSKeychainAccountName], @"Unable to save item");
  165.     XCTAssertTrue([SSKeychain deletePasswordForService:kSSKeychainServiceName account:kSSKeychainAccountName], @"Unable to delete password");
  166.  
  167. #if __IPHONE_4_0 && TARGET_OS_IPHONE
  168.     [SSKeychain setAccessibilityType:kSecAttrAccessibleWhenUnlockedThisDeviceOnly];
  169.     XCTAssertTrue([SSKeychain accessibilityType] == kSecAttrAccessibleWhenUnlockedThisDeviceOnly, @"Unable to verify accessibilityType");
  170. #endif
  171. }
  172.  
  173. #pragma mark - Private
  174.  
  175. - (BOOL)_accounts:(NSArray *)accounts containsAccountWithName:(NSString *)name {
  176.     for (NSDictionary *dictionary in accounts) {
  177.         if ([[dictionary objectForKey:@"acct"] isEqualToString:name]) {
  178.             return YES;
  179.         }
  180.     }
  181.     return NO;
  182. }
  183.  
  184. @end

UICKeyChainStore

  1. #import <XCTest/XCTest.h>
  2. #import "UICKeyChainStore.h"
  3.  
  4. @interface UICKeyChainStoreTests : XCTestCase {
  5.     NSString *kStubKey;
  6.     NSString *kStubString;
  7.     NSString *kStubService;
  8. }
  9.  
  10. @end
  11.  
  12. @implementation UICKeyChainStoreTests
  13.  
  14. - (void)setUp
  15. {
  16.     [super setUp];
  17.  
  18.     kStubKey = @"password";
  19.     kStubString = @"password1234";
  20.     kStubService = @"com.kishikawakatsumi";
  21.  
  22.     [UICKeyChainStore setDefaultService:kStubService];
  23.  
  24.     [UICKeyChainStore removeAllItems];
  25. }
  26.  
  27. - (void)tearDown
  28. {
  29.     [super tearDown];
  30. }
  31.  
  32. - (void)testSetDefaultService
  33. {
  34.     NSString *serviceName = @"com.kishikawakatsumi.UICKeyChainStore";
  35.     [UICKeyChainStore setDefaultService:serviceName];
  36.     XCTAssertEqualObjects(serviceName, [UICKeyChainStore defaultService], @"specitfy default service name");
  37. }
  38.  
  39. - (void)testInitializers
  40. {
  41.     UICKeyChainStore *store = nil;
  42.  
  43.     store = [UICKeyChainStore keyChainStore];
  44.     XCTAssertEqualObjects(store.service, [UICKeyChainStore defaultService], @"instantiate default store");
  45.  
  46.     store = [[UICKeyChainStore alloc] init];
  47.     XCTAssertEqualObjects(store.service, [UICKeyChainStore defaultService], @"instantiate default store");
  48.  
  49.     NSString *serviceName = @"com.kishikawakatsumi.UICKeyChainStore";
  50.     store = [UICKeyChainStore keyChainStoreWithService:serviceName];
  51.     XCTAssertEqualObjects(store.service, serviceName, @"instantiate custom service named store");
  52. }
  53.  
  54. - (void)testSetData
  55. {
  56.     NSString *usernameKey = @"username";
  57.     NSString *passwordKey = @"password";
  58.     NSString *username = @"kishikawakatsumi";
  59.     NSString *password = @"password1234";
  60.     NSData *usernameData = [username dataUsingEncoding:NSUTF8StringEncoding];
  61.     NSData *passwordData = [password dataUsingEncoding:NSUTF8StringEncoding];
  62.  
  63.     [UICKeyChainStore setData:[username dataUsingEncoding:NSUTF8StringEncoding] forKey:usernameKey];
  64.     [UICKeyChainStore setData:[password dataUsingEncoding:NSUTF8StringEncoding] forKey:passwordKey];
  65.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:usernameKey], usernameData, @"stored username");
  66.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey], passwordData, @"stored password");
  67.  
  68.     [UICKeyChainStore removeItemForKey:usernameKey service:[UICKeyChainStore defaultService]];
  69.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  70.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey], passwordData, @"left password");
  71.  
  72.     [UICKeyChainStore removeItemForKey:passwordKey service:[UICKeyChainStore defaultService]];
  73.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  74.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"removed password");
  75. }
  76.  
  77. - (void)testSetDataWithNoError
  78. {
  79.     NSString *usernameKey = @"username";
  80.     NSString *passwordKey = @"password";
  81.     NSString *username = @"kishikawakatsumi";
  82.     NSString *password = @"password1234";
  83.     NSData *usernameData = [username dataUsingEncoding:NSUTF8StringEncoding];
  84.     NSData *passwordData = [password dataUsingEncoding:NSUTF8StringEncoding];
  85.  
  86.     NSError *error;
  87.  
  88.     [UICKeyChainStore setData:[username dataUsingEncoding:NSUTF8StringEncoding] forKey:usernameKey error:&error];
  89.     XCTAssertNil(error, @"no error");
  90.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:usernameKey error:&error], usernameData, @"stored username");
  91.     XCTAssertNil(error, @"no error");
  92.  
  93.     [UICKeyChainStore setData:[password dataUsingEncoding:NSUTF8StringEncoding] forKey:passwordKey error:&error];
  94.     XCTAssertNil(error, @"no error");
  95.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey error:&error], passwordData, @"stored password");
  96.     XCTAssertNil(error, @"no error");
  97.  
  98.     [UICKeyChainStore removeItemForKey:usernameKey service:[UICKeyChainStore defaultService] error:&error];
  99.     XCTAssertNil(error, @"no error");
  100.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey error:&error], @"removed username");
  101.     XCTAssertNil(error, @"no error");
  102.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey error:&error], passwordData, @"left password");
  103.     XCTAssertNil(error, @"no error");
  104.  
  105.     [UICKeyChainStore removeItemForKey:passwordKey service:[UICKeyChainStore defaultService] error:&error];
  106.     XCTAssertNil(error, @"no error");
  107.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey error:&error], @"removed username");
  108.     XCTAssertNil(error, @"no error");
  109.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey error:&error], @"removed password");
  110.     XCTAssertNil(error, @"no error");
  111. }
  112.  
  113. - (void)testSetNilData
  114. {
  115.     NSString *usernameKey = @"username";
  116.     NSString *passwordKey = @"password";
  117.     NSString *username = @"kishikawakatsumi";
  118.     NSString *password = @"password1234";
  119.     NSData *usernameData = [username dataUsingEncoding:NSUTF8StringEncoding];
  120.     NSData *passwordData = [password dataUsingEncoding:NSUTF8StringEncoding];
  121.  
  122.     [UICKeyChainStore setData:nil forKey:usernameKey];
  123.     [UICKeyChainStore setData:nil forKey:passwordKey];
  124.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"no username");
  125.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"no password");
  126.  
  127.     [UICKeyChainStore setData:[username dataUsingEncoding:NSUTF8StringEncoding] forKey:usernameKey];
  128.     [UICKeyChainStore setData:[password dataUsingEncoding:NSUTF8StringEncoding] forKey:passwordKey];
  129.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:usernameKey], usernameData, @"stored username");
  130.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey], passwordData, @"stored password");
  131.  
  132.     [UICKeyChainStore setData:nil forKey:usernameKey];
  133.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  134.     XCTAssertEqualObjects([UICKeyChainStore dataForKey:passwordKey], passwordData, @"left password");
  135.  
  136.     [UICKeyChainStore setData:nil forKey:passwordKey];
  137.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  138.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"removed password");
  139.  
  140.     [UICKeyChainStore removeItemForKey:usernameKey];
  141.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  142.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"removed password");
  143.  
  144.     [UICKeyChainStore removeItemForKey:passwordKey];
  145.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"removed username");
  146.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"removed password");
  147. }
  148.  
  149. - (void)testSetUsernameAndPassword
  150. {
  151.     NSString *usernameKey = @"username";
  152.     NSString *passwordKey = @"password";
  153.     NSString *username = @"kishikawakatsumi";
  154.     NSString *password = @"password1234";
  155.  
  156.     UICKeyChainStore *store = [UICKeyChainStore keyChainStore];
  157.     [store removeAllItems];
  158.  
  159.     [UICKeyChainStore setString:username forKey:usernameKey];
  160.     [UICKeyChainStore setString:password forKey:passwordKey];
  161.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:usernameKey], username, @"stored username");
  162.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey], password, @"stored password");
  163.     XCTAssertEqualObjects([store stringForKey:usernameKey], username, @"stored username");
  164.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"stored password");
  165.  
  166.     [UICKeyChainStore removeItemForKey:usernameKey];
  167.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey], @"removed username");
  168.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey], password, @"left password");
  169.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"left password");
  170.  
  171.     [UICKeyChainStore removeItemForKey:passwordKey];
  172.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey], @"removed username");
  173.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey], @"removed password");
  174.     XCTAssertNil([store stringForKey:usernameKey], @"removed username");
  175.     XCTAssertNil([store stringForKey:passwordKey], @"removed password");
  176. }
  177.  
  178. - (void)testSetUsernameAndPasswordWithNoError
  179. {
  180.     NSString *usernameKey = @"username";
  181.     NSString *passwordKey = @"password";
  182.     NSString *username = @"kishikawakatsumi";
  183.     NSString *password = @"password1234";
  184.  
  185.     NSError *error;
  186.  
  187.     UICKeyChainStore *store = [UICKeyChainStore keyChainStore];
  188.     [store removeAllItemsWithError:&error];
  189.     XCTAssertNil(error, @"no error");
  190.  
  191.     [UICKeyChainStore setString:username forKey:usernameKey error:&error];
  192.     XCTAssertNil(error, @"no error");
  193.     [UICKeyChainStore setString:password forKey:passwordKey error:&error];
  194.     XCTAssertNil(error, @"no error");
  195.  
  196.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:usernameKey error:&error], username, @"stored username");
  197.     XCTAssertNil(error, @"no error");
  198.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey error:&error], password, @"stored password");
  199.     XCTAssertNil(error, @"no error");
  200.  
  201.     XCTAssertEqualObjects([store stringForKey:usernameKey error:&error], username, @"stored username");
  202.     XCTAssertNil(error, @"no error");
  203.     XCTAssertEqualObjects([store stringForKey:passwordKey error:&error], password, @"stored password");
  204.     XCTAssertNil(error, @"no error");
  205.  
  206.     [UICKeyChainStore removeItemForKey:usernameKey error:&error];
  207.     XCTAssertNil(error, @"no error");
  208.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey error:&error], @"removed username");
  209.     XCTAssertNil(error, @"no error");
  210.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey error:&error], password, @"left password");
  211.     XCTAssertNil(error, @"no error");
  212.     XCTAssertEqualObjects([store stringForKey:passwordKey error:&error], password, @"left password");
  213.     XCTAssertNil(error, @"no error");
  214.  
  215.     [UICKeyChainStore removeItemForKey:passwordKey error:&error];
  216.     XCTAssertNil(error, @"no error");
  217.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey error:&error], @"removed username");
  218.     XCTAssertNil(error, @"no error");
  219.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey error:&error], @"removed password");
  220.     XCTAssertNil(error, @"no error");
  221.     XCTAssertNil([store stringForKey:usernameKey error:&error], @"removed username");
  222.     XCTAssertNil(error, @"no error");
  223.     XCTAssertNil([store stringForKey:passwordKey error:&error], @"removed password");
  224.     XCTAssertNil(error, @"no error");
  225. }
  226.  
  227. - (void)testSetNilUsernameAndNilPassword
  228. {
  229.     NSString *usernameKey = @"username";
  230.     NSString *passwordKey = @"password";
  231.     NSString *username = @"kishikawakatsumi";
  232.     NSString *password = @"password1234";
  233.  
  234.     UICKeyChainStore *store = [UICKeyChainStore keyChainStore];
  235.     [store removeAllItems];
  236.  
  237.     [UICKeyChainStore setString:nil forKey:usernameKey];
  238.     [UICKeyChainStore setString:nil forKey:passwordKey];
  239.     XCTAssertNil([UICKeyChainStore dataForKey:usernameKey], @"no username");
  240.     XCTAssertNil([UICKeyChainStore dataForKey:passwordKey], @"no password");
  241.  
  242.     [UICKeyChainStore setString:username forKey:usernameKey];
  243.     [UICKeyChainStore setString:password forKey:passwordKey];
  244.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:usernameKey], username, @"stored username");
  245.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey], password, @"stored password");
  246.     XCTAssertEqualObjects([store stringForKey:usernameKey], username, @"stored username");
  247.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"stored password");
  248.  
  249.     [UICKeyChainStore setString:nil forKey:usernameKey];
  250.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey], @"removed username");
  251.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey], password, @"left password");
  252.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"left password");
  253.  
  254.     [UICKeyChainStore setString:nil forKey:passwordKey];
  255.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey], @"removed username");
  256.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey], @"removed password");
  257.     XCTAssertNil([store stringForKey:usernameKey], @"removed username");
  258.     XCTAssertNil([store stringForKey:passwordKey], @"removed password");
  259. }
  260.  
  261. - (void)testSynchronize1
  262. {
  263.     NSString *usernameKey = @"username";
  264.     NSString *passwordKey = @"password";
  265.     NSString *username = @"kishikawakatsumi";
  266.     NSString *password = @"password1234";
  267.  
  268.     NSString *serviceName = @"com.example.UICKeyChainStore";
  269.     [UICKeyChainStore removeAllItemsForService:serviceName];
  270.  
  271.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:serviceName];
  272.     [store removeAllItems];
  273.  
  274.     [store setString:username forKey:usernameKey];
  275.     [store setString:password forKey:passwordKey];
  276.     XCTAssertEqualObjects([store stringForKey:usernameKey], username, @"stored username");
  277.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"stored password");
  278.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName], @"not synchronized yet");
  279.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"not synchronized yet");
  280.  
  281.     [store synchronize];
  282.     XCTAssertEqualObjects([store stringForKey:usernameKey], username, @"stored username");
  283.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"stored password");
  284.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:usernameKey service:serviceName], username, @"stored username");
  285.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey service:serviceName], password, @"stored password");
  286.  
  287.     [store removeItemForKey:usernameKey];
  288.     XCTAssertNil([store stringForKey:usernameKey], @"removed username");
  289.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"left password");
  290.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName], @"removed username");
  291.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey service:serviceName], password, @"left password");
  292.  
  293.     [store removeItemForKey:passwordKey];
  294.     XCTAssertNil([store stringForKey:passwordKey], @"removed password");
  295.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"removed password");
  296. }
  297.  
  298. - (void)testSynchronize2
  299. {
  300.     NSString *usernameKey = @"username";
  301.     NSString *passwordKey = @"password";
  302.     NSString *username = @"kishikawakatsumi";
  303.     NSString *password = @"password1234";
  304.  
  305.     NSString *serviceName = @"com.example.UICKeyChainStore";
  306.     [UICKeyChainStore removeAllItemsForService:serviceName];
  307.  
  308.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:serviceName];
  309.     [store removeAllItems];
  310.  
  311.     [store setString:username forKey:usernameKey];
  312.     [store setString:password forKey:passwordKey];
  313.     XCTAssertEqualObjects([store stringForKey:usernameKey], username, @"stored username");
  314.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"stored password");
  315.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName], @"not synchronized yet");
  316.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"not synchronized yet");
  317.  
  318.     [store removeItemForKey:usernameKey];
  319.     XCTAssertNil([store stringForKey:usernameKey], @"removed username");
  320.     XCTAssertEqualObjects([store stringForKey:passwordKey], password, @"left password");
  321.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName], @"not synchronized yet");
  322.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"not synchronized yet");
  323.  
  324.     [store removeItemForKey:passwordKey];
  325.     XCTAssertNil([store stringForKey:passwordKey], @"removed password");
  326.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"not synchronized yet");
  327.  
  328.     [store synchronize];
  329.  
  330.     XCTAssertNil([store stringForKey:usernameKey], @"removed username");
  331.     XCTAssertNil([store stringForKey:passwordKey], @"removed password");
  332.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName], @"removed username");
  333.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName], @"removed password");
  334. }
  335.  
  336. - (void)testSynchronizeWithNoError
  337. {
  338.     NSString *usernameKey = @"username";
  339.     NSString *passwordKey = @"password";
  340.     NSString *username = @"kishikawakatsumi";
  341.     NSString *password = @"password1234";
  342.  
  343.     NSString *serviceName = @"com.example.UICKeyChainStore";
  344.  
  345.     NSError *error;
  346.  
  347.     [UICKeyChainStore removeAllItemsForService:serviceName error:&error];
  348.     XCTAssertNil(error, @"no error");
  349.  
  350.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:serviceName];
  351.     [store removeAllItemsWithError:&error];
  352.     XCTAssertNil(error, @"no error");
  353.  
  354.     [store setString:username forKey:usernameKey error:&error];
  355.     XCTAssertNil(error, @"no error");
  356.     [store setString:password forKey:passwordKey error:&error];
  357.     XCTAssertNil(error, @"no error");
  358.     XCTAssertEqualObjects([store stringForKey:usernameKey error:&error], username, @"stored username");
  359.     XCTAssertNil(error, @"no error");
  360.     XCTAssertEqualObjects([store stringForKey:passwordKey error:&error], password, @"stored password");
  361.     XCTAssertNil(error, @"no error");
  362.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName error:&error], @"not synchronized yet");
  363.     XCTAssertNil(error, @"no error");
  364.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName error:&error], @"not synchronized yet");
  365.     XCTAssertNil(error, @"no error");
  366.  
  367.     [store synchronizeWithError:&error];
  368.     XCTAssertNil(error, @"no error");
  369.     XCTAssertEqualObjects([store stringForKey:usernameKey error:&error], username, @"stored username");
  370.     XCTAssertNil(error, @"no error");
  371.     XCTAssertEqualObjects([store stringForKey:passwordKey error:&error], password, @"stored password");
  372.     XCTAssertNil(error, @"no error");
  373.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:usernameKey service:serviceName error:&error], username, @"stored username");
  374.     XCTAssertNil(error, @"no error");
  375.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey service:serviceName error:&error], password, @"stored password");
  376.     XCTAssertNil(error, @"no error");
  377.  
  378.     [store removeItemForKey:usernameKey error:&error];
  379.     XCTAssertNil(error, @"no error");
  380.     XCTAssertNil([store stringForKey:usernameKey error:&error], @"removed username");
  381.     XCTAssertNil(error, @"no error");
  382.     XCTAssertEqualObjects([store stringForKey:passwordKey error:&error], password, @"left password");
  383.     XCTAssertNil(error, @"no error");
  384.     XCTAssertNil([UICKeyChainStore stringForKey:usernameKey service:serviceName error:&error], @"removed username");
  385.     XCTAssertNil(error, @"no error");
  386.     XCTAssertEqualObjects([UICKeyChainStore stringForKey:passwordKey service:serviceName error:&error], password, @"left password");
  387.     XCTAssertNil(error, @"no error");
  388.  
  389.     [store removeItemForKey:passwordKey error:&error];
  390.     XCTAssertNil(error, @"no error");
  391.     XCTAssertNil([store stringForKey:passwordKey error:&error], @"removed password");
  392.     XCTAssertNil(error, @"no error");
  393.     XCTAssertNil([UICKeyChainStore stringForKey:passwordKey service:serviceName error:&error], @"removed password");
  394.     XCTAssertNil(error, @"no error");
  395. }
  396.  
  397. - (void)testClassMethodsSetAndRemoveItem
  398. {
  399.     // write to keychain
  400.     [UICKeyChainStore setString:kStubString forKey:kStubKey];
  401.  
  402.     // read from keychain, test keychain contains item
  403.     NSString *actualString = [UICKeyChainStore stringForKey:kStubKey];
  404.     NSString *expectedString = kStubString;
  405.     XCTAssertEqualObjects(expectedString, actualString,
  406.                           @"expected %@ but got %@", expectedString, actualString);
  407.  
  408.     // remove item from keychain
  409.     [UICKeyChainStore removeItemForKey:kStubKey];
  410.  
  411.     // read from keychain, test keychain doesn't contain item
  412.     actualString = [UICKeyChainStore stringForKey:kStubKey];
  413.     expectedString = NULL;
  414.  
  415.     XCTAssertEqualObjects(expectedString, actualString,
  416.                           @"expected %@ but got %@", expectedString, actualString);
  417. }
  418.  
  419. - (void)testClassMethodsSetAndRemoveItemWithNoError
  420. {
  421.     NSError *error;
  422.  
  423.     [UICKeyChainStore setString:kStubString forKey:kStubKey error:&error];
  424.     XCTAssertNil(error, @"no error");
  425.  
  426.     NSString *actualString = [UICKeyChainStore stringForKey:kStubKey error:&error];
  427.     XCTAssertNil(error, @"no error");
  428.     NSString *expectedString = kStubString;
  429.     XCTAssertEqualObjects(expectedString, actualString,
  430.                           @"expected %@ but got %@", expectedString, actualString);
  431.  
  432.     // remove item from keychain
  433.     [UICKeyChainStore removeItemForKey:kStubKey error:&error];
  434.     XCTAssertNil(error, @"no error");
  435.  
  436.     // read from keychain, test keychain doesn't contain item
  437.     actualString = [UICKeyChainStore stringForKey:kStubKey error:&error];
  438.     XCTAssertNil(error, @"no error");
  439.     expectedString = NULL;
  440.  
  441.     XCTAssertEqualObjects(expectedString, actualString,
  442.                           @"expected %@ but got %@", expectedString, actualString);
  443. }
  444.  
  445. - (void)testInstanceMethodsSetAndRemoveItem
  446. {
  447.     // create an instance
  448.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:kStubService];
  449.     // write to keychain
  450.     [store setString:kStubString forKey:kStubKey];
  451.     [store synchronize];
  452.  
  453.     // read from keychain, test keychain contains item
  454.     NSString *actualString = [store stringForKey:kStubKey];
  455.     NSString *expectedString = kStubString;
  456.     XCTAssertEqualObjects(expectedString, actualString,
  457.                           @"expected %@ but got %@", expectedString, actualString);
  458.  
  459.     // remove item from keychain
  460.     [store removeItemForKey:kStubKey];
  461.     [store synchronize];
  462.  
  463.     // read from keychain, test keychain doesn't contain item
  464.     actualString = [store stringForKey:kStubKey];
  465.     expectedString = NULL;
  466.     XCTAssertEqualObjects(expectedString, actualString,
  467.                           @"expected %@ but got %@", expectedString, actualString);
  468.  
  469.     actualString = [store description];
  470.     expectedString = @"(\n)";
  471.     XCTAssertEqualObjects(expectedString, actualString,
  472.                           @"expected %@ but got %@", expectedString, actualString);
  473. }
  474.  
  475. - (void)testInstanceMethodsSetAndRemoveItemWithNoError
  476. {
  477.     NSError *error;
  478.  
  479.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:kStubService];
  480.  
  481.     [store setString:kStubString forKey:kStubKey error:&error];
  482.     XCTAssertNil(error, @"no error");
  483.     [store synchronizeWithError:&error];
  484.     XCTAssertNil(error, @"no error");
  485.  
  486.     NSString *actualString = [store stringForKey:kStubKey error:&error];
  487.     XCTAssertNil(error, @"no error");
  488.     NSString *expectedString = kStubString;
  489.     XCTAssertEqualObjects(expectedString, actualString,
  490.                           @"expected %@ but got %@", expectedString, actualString);
  491.  
  492.     [store removeItemForKey:kStubKey error:&error];
  493.     XCTAssertNil(error, @"no error");
  494.     [store synchronizeWithError:&error];
  495.     XCTAssertNil(error, @"no error");
  496.  
  497.     actualString = [store stringForKey:kStubKey error:&error];
  498.     XCTAssertNil(error, @"no error");
  499.     expectedString = NULL;
  500.     XCTAssertEqualObjects(expectedString, actualString,
  501.                           @"expected %@ but got %@", expectedString, actualString);
  502.  
  503.     actualString = [store description];
  504.     expectedString = @"(\n)";
  505.     XCTAssertEqualObjects(expectedString, actualString,
  506.                           @"expected %@ but got %@", expectedString, actualString);
  507. }
  508.  
  509. - (void)testInstanceMethodsSetAndRemoveWithNilValue
  510. {
  511.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:kStubService];
  512.  
  513.     [store setString:kStubString forKey:kStubKey];
  514.     [store synchronize];
  515.  
  516.     NSString *actualString = [store stringForKey:kStubKey];
  517.     NSString *expectedString = kStubString;
  518.     XCTAssertEqualObjects(expectedString, actualString,
  519.                           @"expected %@ but got %@", expectedString, actualString);
  520.  
  521.     [store setString:nil forKey:kStubKey];
  522.     [store synchronize];
  523.  
  524.     actualString = [store stringForKey:kStubKey];
  525.     expectedString = NULL;
  526.     XCTAssertEqualObjects(expectedString, actualString,
  527.                           @"expected %@ but got %@", expectedString, actualString);
  528.  
  529.     actualString = [store description];
  530.     expectedString = @"(\n)";
  531.     XCTAssertEqualObjects(expectedString, actualString,
  532.                           @"expected %@ but got %@", expectedString, actualString);
  533. }
  534.  
  535. - (void)testObjectSubscripting
  536. {
  537.     // create an instance
  538.     UICKeyChainStore *store = [UICKeyChainStore keyChainStoreWithService:kStubService];
  539.  
  540.     // write to keychain using obj subscripting
  541.     store[kStubKey] = kStubString;
  542.     [store synchronize];
  543.  
  544.     NSString *actualString = store[kStubKey];
  545.     NSString *expectedString = kStubString;
  546.  
  547.     // read from keychain using obj subscripting
  548.     XCTAssertEqualObjects(expectedString, actualString, @"expected %@ but got %@", expectedString, actualString);
  549.  
  550.     store[kStubKey] = nil;
  551.     [store synchronize];
  552.  
  553.     actualString = store[kStubKey];
  554.     expectedString = NULL;
  555.  
  556.     XCTAssertEqualObjects(expectedString, actualString, @"expected %@ but got %@", expectedString, actualString);
  557. }
  558.  
  559. @end

3： 其他一参考版本

http://stackoverflow.com/questions/5247912/saving-email-password-to-keychain-in-ios

注意使用 keychain 要导入 Security.framework

iOS 使用Keychain 保存 用户名和密码到 本地的更多相关文章

  1. 使用keychain保存用户名和密码等敏感信息 KeychainItemWrapper和SFHFKeychainUtils

    iOS的keychain服务提供了一种安全的保存私密信息(密码,序列号,证书等)的方式,每个ios程序都有一个独立的keychain存储.相对于 NSUserDefaults.文件保存等一般方式,ke ...

  2. android 保存 用户名和密码 设置等应用信息优化

    1.传统的保存用户名,密码方式 SharedPreferences Editor editor = shareReference.edit(); editor.putString(KEY_NAME,& ...

  3. Android简易实战教程--第十六话《SharedPreferences保存用户名和密码》

    之前在Android简易实战教程--第七话<在内存中存储用户名和密码> 那里是把用户名和密码保存到了内存中,这一篇把用户名和密码保存至SharedPreferences文件.为了引起误导, ...

  4. git保存用户名和密码

    git保存用户名和密码 简介:tortoiseGit(乌龟git)图形化了git,我们用起来很方便,但是我们拉取私有项目的时候,每次都要输入用户名和密码很麻烦,这里向大家介绍怎么避免多少输入 试验环境 ...

  5. 终于解决“Git Windows客户端保存用户名与密码”的问题（转载）

    add by zhj:不建议用这种方法,建议用SSH,参见 TortoiseGit密钥的配置 http://www.cnblogs.com/ajianbeyourself/p/3817364.html ...

  6. Git Windows客户端保存用户名和密码

    解决Git Windows客户端保存用户名和密码的方法,至于为什么,就不想说了. 1. 添加一个HOME环境变量,值为%USERPROFILE% 2. 开始菜单中,点击“运行”,输入“%Home%”并 ...

  7. TortoiseGit+msysgit保存用户名和密码

    本文以windows系统为例 保存用户名和密码 在C盘的c:\Users**qing** (或可能是C:\Users\Administrator) (替换自己的用户名)找到.gitconfig, 如果 ...

  8. IOS开发之----两种保存用户名和密码实现记住密码库

    使用Keychain存储用户敏感信息 iOS的keychain服务提供了一种安全的保存私密信息(密码,序列号,证书等)的方式,每个ios程序都有一个独立的keychain存储.相对于 NSUserDe ...

  9. Git Windows客户端保存用户名与密码

    1. 在Windows中添加一个HOME环境变量,值为%USERPROFILE%,如下图: 2. 在“开始>运行”中打开%Home%,新建一个名为“_netrc”的文件. 3. 用记事本打开_n ...

随机推荐

  1. Android中XML解析

    package com.example.thebroadproject; public class Book { private int id; private String name; privat ...

  2. wpfのpack协议

    当引用的资源需要做成dll时,要用此协议 协议:pack://      授权:有两种.一种用于访问编译时已经知道的文件,用application:///.一种用于访问编译时不知道.运行时才知道的文件 ...

  3. WDCP控制面板如何安装PDO_mysql组件

    http://osacar.iteye.com/blog/2098431 执行wget -c http://down.wdlinux.cn/in/pdo_mysql_ins.sh再执行chmod 75 ...

  4. centos6.6 设置静态网络

    [root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0HWADDR=08:00:27:3D:5F:38 ...

  5. 如何用linux远程登录windows计算机

    大家可能试过用windows远程登录另一个windows pc机,今天大家将会学到如何用 linux远程登录你的windows系统. 首先大家要做到得救是将自己linux和windows操作机的IP地 ...

  6. 真正意义上下一代 Windows Embedded：有关 Windows 10 "Athens" 的事

    早在去年 BUILD 大会上,Joe Belfiore 就在一台巨大的 "脚踩钢琴" 上简短展示过 "Windows on Device"(又名 Windows ...

  7. 【leetcode❤python】237. Delete Node in a Linked List

    #-*- coding: UTF-8 -*- # Definition for singly-linked list.# class ListNode(object):#     def __init ...

  8. HDU 5046 Airport(dlx)

    题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5046 题意:n个城市修建m个机场,使得每个城市到最近进场的最大值最小. 思路:二分+dlx搜索判定. ...

  9. 一个关于echo的小知识点

    一个关于echo的小知识点     echo一个布尔值时,如果是true,输出1,而如果是false,将什么都不输出! 网上搜的一个解释: 对于数字类型来说,false 确实 是 0, 而对strin ...

  10. PowerShell 4 on win7 sp1

    https://www.microsoft.com/en-hk/download/details.aspx?id=40855 文件太多了,按照这个http://stackoverflow.com/qu ...