kishikawakatsumi/UICKeyChainStore: UICKeyChainStore is a simple wrapper for Keyc ...

原作者: [db:作者] 来自: 网络收藏邀请

开源软件名称（OpenSource Name）：

kishikawakatsumi/UICKeyChainStore

开源软件地址(OpenSource Url)：

https://github.com/kishikawakatsumi/UICKeyChainStore

开源编程语言(OpenSource Language)：

Objective-C 91.6%

开源软件介绍(OpenSource Introduction)：

UICKeyChainStore

UICKeyChainStore is a simple wrapper for Keychain that works on iOS and OS X. Makes using Keychain APIs as easy as NSUserDefaults.

Looking for the library written in Swift?

Try KeychainAccess.
KeychainAccess is next generation of UICKeyChainStore.

Transitioning from 1.x to 2.0

synchronize method is deprecated. Calling this method is no longer required (Just ignored).

Features

Simple interface
Support access group
Support accessibility
Support iCloud sharing
Support TouchID and Keychain integration (iOS 8+)
Support Shared Web Credentials (iOS 8+)
Works on both iOS & OS X
Supported watchOS 2

Usage

Basics

Saving Application Password

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];
keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef";

Saving Internet Password

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithServer:[NSURL URLWithString:@"https://github.com"]
                                                          protocolType:UICKeyChainStoreProtocolTypeHTTPS];
keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef";

Instantiation

Create Keychain for Application Password

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"kishikawakatsumi.git"
                                                            accessGroup:@"12ABCD3E4F.shared"];

Create Keychain for Internet Password

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithServer:[NSURL URLWithString:@"https://github.com"]
                                                          protocolType:UICKeyChainStoreProtocolTypeHTTPS];

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithServer:[NSURL URLWithString:@"https://github.com"]
                                                          protocolType:UICKeyChainStoreProtocolTypeHTTPS
                                                    authenticationType:UICKeyChainStoreAuthenticationTypeHTMLForm];

Adding an item

subscripting

keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"

set method

[keychain setString:@"01234567-89ab-cdef-0123-456789abcdef" forKey:@"kishikawakatsumi"];

error handling

if (![keychain setString:@"01234567-89ab-cdef-0123-456789abcdef" forKey:@"kishikawakatsumi"]) {
    // error has occurred
}

NSError *error;
[keychain setString:@"01234567-89ab-cdef-0123-456789abcdef" forKey:@"kishikawakatsumi" error:&error];
if (error) {
    NSLog(@"%@", error.localizedDescription);
}

Obtaining an item

subscripting (automatically converts to string)

NSString *token = keychain[@"kishikawakatsumi"]

get methods

as String

NSString *token = [keychain stringForKey:@"kishikawakatsumi"];

as NSData

NSData *data = [keychain dataForKey:@"kishikawakatsumi"];

error handling

First, get the failable (value or error) object

NSError *error;
NSString *token = [keychain stringForKey:@"" error:&error];
if (error) {
    NSLog(@"%@", error.localizedDescription);
}

Removing an item

subscripting

keychain[@"kishikawakatsumi"] = nil

remove method

[keychain removeItemForKey:@"kishikawakatsumi"];

error handling

if (![keychain removeItemForKey:@"kishikawakatsumi"]) {
    // error has occurred
}

NSError *error;
[keychain removeItemForKey:@"kishikawakatsumi" error:&error];
if (error) {
    NSLog(@"%@", error.localizedDescription);
}

Label and Comment

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithServer:[NSURL URLWithString:@"https://github.com"]
                                                          protocolType:UICKeyChainStoreProtocolTypeHTTPS];
[keychain setString:@"01234567-89ab-cdef-0123-456789abcdef"
             forKey:@"kishikawakatsumi"
              label:@"github.com (kishikawakatsumi)"
            comment:@"github access token"];

Configuration (Accessibility, Sharing, iCould Sync)

Accessibility

Default accessibility matches background application (=kSecAttrAccessibleAfterFirstUnlock)

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

For background application

Creating instance

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];
keychain.accessibility = UICKeyChainStoreAccessibilityAfterFirstUnlock;

keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"

For foreground application

Creating instance

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];
keychain.accessibility = UICKeyChainStoreAccessibilityWhenUnlocked;

keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"

Sharing Keychain items

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"kishikawakatsumi.git"
                                                            accessGroup:@"12ABCD3E4F.shared"];

Synchronizing Keychain items with iCloud

Creating instance

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];
keychain.synchronizable = YES;

keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"

Touch ID integration

Any Operation that require authentication must be run in the background thread.
If you run in the main thread, UI thread will lock for the system to try to display the authentication dialog.

Adding a Touch ID protected item

If you want to store the Touch ID protected Keychain item, specify accessibility and authenticationPolicy attributes.

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
    [keychain setAccessibility:UICKeyChainStoreAccessibilityWhenPasscodeSetThisDeviceOnly
          authenticationPolicy:UICKeyChainStoreAuthenticationPolicyUserPresence];

    keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"
});

Updating a Touch ID protected item

The same way as when adding.

Do not run in the main thread if there is a possibility that the item you are trying to add already exists, and protected. Because updating protected items requires authentication.

Additionally, you want to show custom authentication prompt message when updating, specify an authenticationPrompt attribute. If the item not protected, the authenticationPrompt parameter just be ignored.

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
    [keychain setAccessibility:UICKeyChainStoreAccessibilityWhenPasscodeSetThisDeviceOnly
          authenticationPolicy:UICKeyChainStoreAuthenticationPolicyUserPresence];
    keychain.authenticationPrompt = @"Authenticate to update your access token";

    keychain[@"kishikawakatsumi"] = @"01234567-89ab-cdef-0123-456789abcdef"
});

Obtaining a Touch ID protected item

The same way as when you get a normal item. It will be displayed automatically Touch ID or passcode authentication If the item you try to get is protected.
If you want to show custom authentication prompt message, specify an authenticationPrompt attribute. If the item not protected, the authenticationPrompt parameter just be ignored.

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
    [keychain setAccessibility:UICKeyChainStoreAccessibilityWhenPasscodeSetThisDeviceOnly
          authenticationPolicy:UICKeyChainStoreAuthenticationPolicyUserPresence];
    keychain.authenticationPrompt = @"Authenticate to update your access token";

    NSString *token = keychain[@"kishikawakatsumi"];
});

Removing a Touch ID protected item

The same way as when you remove a normal item. There is no way to show Touch ID or passcode authentication when removing Keychain items.

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithService:@"com.example.github-token"];

keychain[@"kishikawakatsumi"] = nil;

Shared Web Credentials

Shared web credentials is a programming interface that enables native iOS apps to share credentials with their website counterparts. For example, a user may log in to a website in Safari, entering a user name and password, and save those credentials using the iCloud Keychain. Later, the user may run a native app from the same developer, and instead of the app requiring the user to reenter a user name and password, shared web credentials gives it access to the credentials that were entered earlier in Safari. The user can also create new accounts, update passwords, or delete her account from within the app. These changes are then saved and used by Safari.
https://developer.apple.com/library/ios/documentation/Security/Reference/SharedWebCredentialsRef/

UICKeyChainStore *keychain = [UICKeyChainStore keyChainStoreWithServer:[NSURL URLWithString:@"https://kishikawakatsumi.com"]
protocolType:UICKeyChainStoreProtocolTypeHTTPS];
NSString *username = @"[email protected]";
NSString *password = keychain[username];
if (password) {
    // If found password in the Keychain,
    // then log into the server
} else {
    // If not found password in the Keychain,
    // try to read from Shared Web Credentials
    [keychain sharedPasswordForAccount:username completion:^(NSString *password, NSError *error) {
        if (password) {
            // If found password in the Shared Web Credentials,
            // then log into the server
            // and save the password to the Keychain

            keychain[username] = password
        } else {
            // If not found password either in the Keychain also Shared Web Credentials,
            // prompt for username and password

            // Log into server

            // If the login is successful,
            // save the credentials to both the Keychain and the Shared Web Credentials.

            keychain[username] = password
            [keychain setSharedPassword:password forAccount:username completion:nil];
        }
    }];
}

Request all associated domain's credentials

[UICKeyChainStore requestSharedWebCredentialWithCompletion:^(NSArray *credentials, NSError *error) {

}];

Generate strong random password

Generate strong random password that is in the same format used by Safari autofill (xxx-xxx-xxx-xxx).

NSString *password = [UICKeyChainStore generatePassword];
NSLog(@"%@", password); // => Nhu-GKm-s3n-pMx

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kishikawakatsumi/UICKeyChainStore: UICKeyChainStore is a simple wrapper for Keyc ...

开源软件名称（OpenSource Name）：

开源软件地址(OpenSource Url)：

开源编程语言(OpenSource Language)：

开源软件介绍(OpenSource Introduction)：

UICKeyChainStore

Looking for the library written in Swift?

Transitioning from 1.x to 2.0

Features

Usage

Basics

Saving Application Password

Saving Internet Password

Instantiation

Create Keychain for Application Password

Create Keychain for Internet Password

Adding an item

subscripting

set method

error handling

Obtaining an item

subscripting (automatically converts to string)

get methods

as String

as NSData

error handling

Removing an item

subscripting

remove method

error handling

Label and Comment

Configuration (Accessibility, Sharing, iCould Sync)

Default accessibility matches background application (=kSecAttrAccessibleAfterFirstUnlock)

For background application

Creating instance

For foreground application

Creating instance

Sharing Keychain items

Creating instance

Adding a Touch ID protected item

Updating a Touch ID protected item

Obtaining a Touch ID protected item

Removing a Touch ID protected item

Request all associated domain's credentials

Generate strong random password

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ravikumar001/maven

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关于我们

产品与服务

解决方案

139-2527-9053