哪个内置的.NET加密算法是最安全的？

问题描述

加密算法是最安全的.net？

解决方案

您不能直接比较所有类型的加密算法。这就像将排序算法与乘法算法进行比较：它们有不同的用途。
这就是说，我会回答：

• 对称密码：


• 不对称密码：与4096位密钥（我认为是最大值。 NET）或与571位密钥（但是仅在.NET 3.5中支持）


• 哈希：


• 邮件验证码：

Which cryptography algorithm is the most secure that ships with .net?

解决方案

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:

• 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

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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