Question

C#，一个加密函数，本人C#小白，求解密函数代码

public static string ToDecrypt(string strText, string sDecrKey)
{
byte[] rgbKey = null;
byte[] rgbIV = new byte[] { 18, 52, 86, 120, 144, 171, 205, 239 };
byte[] buffer = new byte[strText.Length];
try
{
rgbKey = Encoding.UTF8.GetBytes(sDecrKey.Substring(0, 8));
DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
buffer = Convert.FromBase64String(strText);
MemoryStream stream = new MemoryStream();
CryptoStream stream2 = new CryptoStream(stream, provider.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
stream2.Write(buffer, 0, buffer.Length);
stream2.FlushFinalBlock();
Encoding encoding = new UTF8Encoding();
return encoding.GetString(stream.ToArray());
}
catch (Exception exception)
{
return exception.Message.ToString();
}
}
没分了，跪谢大家帮忙！

Answer 1

没分有rmb也行，10rmb帮写

追问

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追答

发了

做好了 见邮箱