The LED keychain makes it easy for people to carry their keys with them and carry them with them. It has become an indispensable object in our daily lives. Whether in the home, office, campsite or more, these LED keychains have become one of the most…

Looking for products that tell people the brand name? Then you'll find an affordable product that will spread your brand name very well. The best custom mini LED keychains can effectively broadcast your business. They are affordable but low-cost ways…

The    LED Keychain    makes it easy for people to carry their keys with them and carry them with them. It has become an indispensable object in our daily lives. Whether in the home, office, campsite or more, these LED keychains have become one of th…

Imagine you want to insert the car key into the keyhole in the dark. What would you do? You will definitely try to focus on the light source. LED keychains are currently a popular choice when lost in the dark. When you are in the dark, a convenient  …

LED keychains are essential camping and travel accessories. Very useful as a light source. There are many benefits to buying a good LED keychain: Portable and compact: It is very compact (as small as a keychain) and therefore very compact. You carry…

Every business owner understands the importance of reducing marketing budgets and investing in sales operations. This recognition often prompted them to seek cost-effective promotional items with high practical value. Magnetic stickers, keychains, cu…

Looking for something memorable to remind people of your business or nonprofit? Consider custom LED keychains. This will be a great way to promote your ads and keep your brand clearly visible in your audience. Choose from multiple colors and styles a…

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 #import <XCTest/XCTest.h> #import "SSKey…

kSecAttrAccessible 这个属性控制Keychain中的一个Item什么时候可以被访问,可选值有:kSecAttrAccessibleWhenUnlocked, kSecAttrAccessibleAfterFirstUnlock, kSecAttrAccessibleAlways, kSecAttrAccessibleWhenUnlockedThisDeviceOnly,kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly,kSecAt…

1 keyChainWrapper是MRC代码,要禁用ARC -fno-objc-arc 2 要导入Security.framework框架 3 获得一个不变的UUID - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // 判断Keychain中是否存在这条Item如果不存在SecItem就添加. NSDictionary…