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系统更新后从应用程序访问钥匙串

[英]access to keychain from app after system update

What's happen to data stored in keychain when user update his iOS version to new system ? 当用户将其iOS版本更新到新系统时,钥匙串中存储的数据会如何处理? ie user have ios 6 and stored some information from my App in Keychain, are those information will be still avaiable after install ios 7 ?? 即用户有ios 6并在Keychain中存储了我的应用程序中的一些信息,安装ios 7后这些信息是否仍然可用?

BR Kivu 基辅

Nothing will happen to data in KeyChain, keychain persists even after the app is removed, it is linked to AppID and the access rights depend on the provisioning profile used when signing your application. KeyChain中的数据将不会发生任何事情,即使删除应用程序后,钥匙串仍会保留,它已链接到AppID,并且访问权限取决于对应用程序进行签名时使用的配置文件

On iPhone, Keychain rights depend on the provisioning profile used to sign your application. 在iPhone上,“钥匙串”权限取决于用于对应用程序进行签名的供应配置文件。 Be sure to consistently use the same provisioning profile across different versions of your application 确保在不同版本的应用程序中始终使用相同的配置文件

在我的客户使用iOS7下的KeyChain ....升级到我的App的新版本后,他们丢失了所有信息。

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