转换ColdFusion加密使用AES/十六进制到c#

Question

与本文主题相关:将Coldfusion加密代码转换为c#

你怎么做这个转换:

<!--- valueToEncrypt = "34245678", key = "TJhKuhjyx/87giutBNHh9t==" --->
<cfset output = Encrypt( valueToEncrypt, key, "AES", "Hex")>

下面是我在c#中做的尝试:

byte[] plainText = Encoding.UTF8.GetBytes(TextToEncrypt);
byte[] key = Convert.FromBase64String(encryptionKey);
RijndaelManaged algorithm = new RijndaelManaged();
algorithm.Mode = CipherMode.ECB;
algorithm.Padding = PaddingMode.PKCS7;
algorithm.BlockSize = 128;
algorithm.KeySize = 128;
algorithm.Key = key;
string result;
using (ICryptoTransform encryptor = algorithm.CreateEncryptor())
{
    using (MemoryStream memoryStream = new MemoryStream())
    {
        using (CryptoStream cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
        {
            cryptoStream.Write(plainText, 0, plainText.Length);
            cryptoStream.FlushFinalBlock();
            result = Convert.ToBase64String(memoryStream.ToArray());
        }
    }
}
return result;

ColdFusion结果:

04197FAA3C9C030660A6377E44F77C4E

c#结果:

BBl/qjycAwZgpjd+RPd8Tg==

Answer 1

实际上结果是相同的。它们只是编码不同而已。两者都对输入进行加密并生成二进制，然后对结果进行编码，以便于存储和传输。ColdFusion代码只是选择将这些字节编码为"十六进制"，而c#代码使用"base64"。虽然结果看起来不同，但它们仍然表示相同的值。例如，请注意，如果您将c#结果(base64)解码为二进制并将其重新编码为十六进制，它是否与CF结果匹配?

c# (将结果从base64转换为十六进制)

byte[] decoded = Convert.FromBase64String("BBl/qjycAwZgpjd+RPd8Tg==");
string resultAsHex = (BitConverter.ToString(decoded).Replace("-", string.Empty));

结果:

04197FAA3C9C030660A6377E44F77C4E 

话虽如此，如果需要在两边生成相同的编码的字符串，可以:

。更改c#代码，将结果编码为十六进制，而不是base64

    result =  BitConverter.ToString(memoryStream.ToArray()).Replace("-", string.Empty);

或

B。将CF代码更改为使用base64编码:

    <cfset output = Encrypt( valueToEncrypt, key, "AES", "Base64")>