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c# - 此平台不支持 Diffie-Hellman 加密算法

转载 作者:太空宇宙 更新时间:2023-11-03 11:46:47 26 4
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我一直有这个问题。

The specified cryptographic algorithm is not supported on this platform.

Exception Details: System.PlatformNotSupportedException: The specified cryptographic algorithm is not supported on this platform.

下面是代码。此代码在安装了 3.5 框架的 Windows XP Pro SP3 和 Windows 2003 Server 上失败。

<%@ Page Language="C#" AutoEventWireup="true" %>

<%@ Import Namespace="System"%>

<%@ Import Namespace="System.Web"%>

<%@ Import Namespace="System.Security.Cryptography"%>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

</head>

<body>

<%

//http://blogs.msdn.com/b/shawnfa/archive/2007/01/22/elliptic-curve-diffie-hellman.aspx

//http://msdn.microsoft.com/en-us/library/cc488021.aspx is about 200-millisecond wait.

ECDiffieHellmanCng alice = new ECDiffieHellmanCng();

alice.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;

alice.HashAlgorithm = CngAlgorithm.Sha256;

ECDiffieHellmanCng bob = new ECDiffieHellmanCng();

bob.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;

bob.HashAlgorithm = CngAlgorithm.Sha256;

byte[] bobKey = bob.DeriveKeyMaterial(alice.PublicKey);

byte[] aliceKey = alice.DeriveKeyMaterial(bob.PublicKey);

AesCryptoServiceProvider aes = new AesCryptoServiceProvider();

aes.Key = aliceKey;



%>

</body>

</html>

最佳答案

MSDN表示该类在以下操作系统上受支持:

  • Windows 7
  • Windows Vista SP1 或更高版本
  • Windows XP SP3
  • window 服务器 2008(不支持服务器核心角色)
  • Windows Server 2008 R2(服务器核心不支持角色)

关于c# - 此平台不支持 Diffie-Hellman 加密算法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3198954/

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