哪种内置的.NET加密算法是最安全的？ [英] Which built-in .NET cryptography algorithm is the most secure?

问题描述

推荐答案

您不能直接比较所有类型的加密算法。这就像比较排序算法和乘法算法：它们有不同的目的。
话虽如此，我会回答：

You cannot directly compare all types of cryptographic algorithms. That would be like comparing a sorting algorithm with a multiplication algorithm: they have different purposes. That being said, I would answer:

• 对称密码： AES-256


• 不对称密码： RSA 与4096位密钥（我相信是最大在.NET中）或 ECDSA 与571


• 哈希： SHA-512


• 邮件验证码： HMAC with SHA-512

• Symmetric cipher: AES-256
• Asymmetric cipher: RSA with 4096 bit key (I believe that is the maximum in .NET) or ECDSA with 571 bit key (but that is only supported in .NET 3.5)
• Hash: SHA-512
• Message Authentication Code: HMAC with SHA-512

尽管如此，对于大多数应用程序来说，这些都是过度的，你应该使用AES-128，RSA 2048位密钥，SHA-256和HMAC与SHA-256。

That being said, those are overkill for most applications, and you should do fine using AES-128, RSA with 2048 bit key, SHA-256 and HMAC with SHA-256.

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