我正在使用Decrypt和Encrypt使用C＃并收到此错误
异常详细信息： System.Security.Cryptography.CryptographicException：Bad Data。
来源错误：
第64行：CryptoStream cs = new CryptoStream（ms， des.CreateDecryptor（DecryptKey，IV），CryptoStreamMode.Write）;第65行： cs.Write（inputByte，0，inputByte.Length）;第66行：
的 cs.FlushFinalBlock（）;第67行： System.Text.Encoding encoding = System.Text.Encoding.UTF8;第68行：回归 encoding.GetString（ms.ToArray（））;
我该如何解决这个问题;这是我的代码
public static string Encrypt(string plainText)
{
string key = "amir100amir*&%$#";
byte[] EncryptKey = { };
byte[] IV = { 55, 34, 87, 64, 87, 195, 54, 21 };
EncryptKey = System.Text.Encoding.UTF8.GetBytes(key.Substring(0, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByte = Encoding.UTF8.GetBytes(plainText);
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, des.CreateEncryptor(EncryptKey, IV), CryptoStreamMode.Write);
cStream.Write(inputByte, 0, inputByte.Length);
cStream.FlushFinalBlock();
return Convert.ToBase64String(mStream.ToArray()).Replace("/", "_").Replace("+", "-");
}
public static string encodeSTROnUrl(string thisEncode)
{
if (null == thisEncode)
return string.Empty;
return (Encrypt(thisEncode));
}
public static string decodeSTROnUrl(string thisDecode)
{
//thisDecode = thisDecode.Replace(" ", "+");
// return Decrypt(HttpUtility.UrlDecode(thisDecode));
return Decrypt((thisDecode));
}
public static string Decrypt(string encryptedText)
{
// try
{
encryptedText = encryptedText.Replace("_", "/");
encryptedText = encryptedText.Replace("-", "+");
string key = "amir100amir*&%$#";
byte[] DecryptKey = { };
byte[] IV = { 55, 34, 87, 64, 87, 195, 54, 21 };
byte[] inputByte = new byte[encryptedText.Length];
DecryptKey = System.Text.Encoding.UTF8.GetBytes(key.Substring(0, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
inputByte = Convert.FromBase64String(encryptedText);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(DecryptKey, IV), CryptoStreamMode.Write);
cs.Write(inputByte, 0, inputByte.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding = System.Text.Encoding.UTF8;
return encoding.GetString(ms.ToArray());
}
//catch
//{
//}
//finally { }
//return "Error";
}