iOS密钥链使用什么加密算法来保护数据？ [英] What encryption algorithm does the iOS keychain use to protect data?

问题描述

经过广泛的谷歌搜索后，我没有设法找到这个问题的答案 ¹ ，这是令人惊讶的，因为通过默默无闻的安全根本不是真正的安全......

After extensive googling I haven't managed to find an answer to this question¹, which is surprising, since `security through obscurity' isn't really security at all...

是否有可靠的答案来源（例如iOS的认证申请，源代码或类似内容）？

Is there a reliable source of an answer to this question (such as a certification application for iOS, source code, or similar)?

_{¹ 我唯一能提到的是它可能会使用3DES。}

_{¹The only mention I could find was that it might use 3DES.}

推荐答案

根据此官方Apple文档：

加密是GCM中的AES 128（伽罗瓦/计数器模式）;

The encryption is AES 128 in GCM (Galois/Counter Mode);

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