我如何与AES加密在C＃这样我就可以在PHP解密呢？ [英] How can I encrypt with AES in C# so I can decrypt it in PHP?

问题描述

我已经发现了几个答案在PHP中加密和解密在C＃中，但至今一直未能逆转这一过程...

背景是我想：

在C＃中：
AES加密文件的内容。
（通过POST可能通过HTTP）上传数据到服务器

在PHP中：
接收并保存文件

。

和在PHP（日后）：
解密文件

我特别想对它进行加密使用SSL外/ TLS（虽然我可能要做到这一点为好），因为我需要知道文件保持加密（和解密的！）当存储在服务器上。

要在C＃中加密我使用：

  Rijndael算法RijndaelAlg = Rijndael.Create（）; 
 RijndaelAlg.KeySize = 128; 
 RijndaelAlg.Mode = CipherMode.CBC; 
的CryptoStream cStream =新的CryptoStream（fstream的，RijndaelAlg.CreateEncryptor（密钥，IV），
 CryptoStreamMode.Read）; 
  

和在PHP解密：

  mcrypt_cbc（MCRYPT_RIJNDAEL_128，$键，$缓冲区，MCRYPT_DECRYPT，$ IV）; 
  

解决方案

我知道这是问前一段时间，但我认为我会发布我为别人解决方案。我在PHP和C＃中，可以让你加密/解密两种方式写了一个简单的代码示例。我有几个问题与得到双方的设置工作了。在填充的差异会让它解密的一种方式而不是其他。

的 https://github.com/dchymko/.NET--PHP-encryption

希望帮助一些人。

I've found a few answers to Encrypt in PHP, and Decrypt in C#, but as yet have been unable to reverse the process...

The background is I want to:

In C#: AES encrypt a file's contents. Upload the data (likely via http via POST) to a server.

In PHP: Receive and save the file.

And in PHP (at a later date): Decrypt the file.

I specifically want to encrypt it outside of using SSL/TLS (though I might have to do this as well), as I need to know the file remains encrypted (and decryptable!) when stored on the server.

To encrypt in C# I'm using:

Rijndael RijndaelAlg = Rijndael.Create();
RijndaelAlg.KeySize = 128;
RijndaelAlg.Mode = CipherMode.CBC;
CryptoStream cStream = new CryptoStream(fStream, RijndaelAlg.CreateEncryptor(Key, IV),
                                        CryptoStreamMode.Read);

and to decrypt in PHP:

 mcrypt_cbc(MCRYPT_RIJNDAEL_128, $key, $buffer, MCRYPT_DECRYPT, $iv);

解决方案

I know this was asked a while ago but I thought I'd post my solution for others. I wrote up a quick code example in PHP and C# that lets you encrypt/decrypt both ways. I had a few issues with getting the settings on both sides to work out. A difference in padding would let it decrypt one way but not the other

https://github.com/dchymko/.NET--PHP-encryption

hope that helps some people.

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