public static string DESS(string src)
{
string des = string.Empty;
DESCryptoServiceProvider objDESCryptoServiceProvider = new DESCryptoServiceProvider();
objDESCryptoServiceProvider.Key = Encoding.ASCII.GetBytes("12345678");//密钥
objDESCryptoServiceProvider.Mode = CipherMode.ECB;
objDESCryptoServiceProvider.Padding = PaddingMode.None;
byte[] bysData = Encoding.UTF8.GetBytes(src);
byte[] bysFixSizeData = new byte[(int)Math.Ceiling(bysData.Length / 8.0) * 8];
Array.Copy(bysData, bysFixSizeData, bysData.Length);
byte[] bysEncrypted = objDESCryptoServiceProvider.CreateEncryptor().TransformFinalBlock(bysFixSizeData, 0, bysFixSizeData.Length);//加密
des = Convert.ToBase64String(bysEncrypted);//加密后的字符串
if (des.Equals("")) des = "error";
return des;
}
{
string des = string.Empty;
DESCryptoServiceProvider objDESCryptoServiceProvider = new DESCryptoServiceProvider();
objDESCryptoServiceProvider.Key = Encoding.ASCII.GetBytes("12345678");//密钥
objDESCryptoServiceProvider.Mode = CipherMode.ECB;
objDESCryptoServiceProvider.Padding = PaddingMode.None;
byte[] bysData = Encoding.UTF8.GetBytes(src);
byte[] bysFixSizeData = new byte[(int)Math.Ceiling(bysData.Length / 8.0) * 8];
Array.Copy(bysData, bysFixSizeData, bysData.Length);
byte[] bysEncrypted = objDESCryptoServiceProvider.CreateEncryptor().TransformFinalBlock(bysFixSizeData, 0, bysFixSizeData.Length);//加密
des = Convert.ToBase64String(bysEncrypted);//加密后的字符串
if (des.Equals("")) des = "error";
return des;
}
google base64解码
{
string result = DESS("guwei4037");
Console.WriteLine("这是你的加密结果:{0}", result); byte[] bytes = Convert.FromBase64String(result);
DESCryptoServiceProvider objDESCryptoServiceProvider = new DESCryptoServiceProvider();
objDESCryptoServiceProvider.Key = Encoding.ASCII.GetBytes("12345678");//密钥
objDESCryptoServiceProvider.Mode = CipherMode.ECB;
objDESCryptoServiceProvider.Padding = PaddingMode.None;
byte[] bysEncrypted = objDESCryptoServiceProvider.CreateDecryptor().TransformFinalBlock(bytes, 0, bytes.Length);
string resultn = Encoding.ASCII.GetString(bysEncrypted);
Console.WriteLine("这是我的解密结果:{0}", resultn);
} public static string DESS(string src)
{
string des = string.Empty;
DESCryptoServiceProvider objDESCryptoServiceProvider = new DESCryptoServiceProvider();
objDESCryptoServiceProvider.Key = Encoding.ASCII.GetBytes("12345678");//密钥
objDESCryptoServiceProvider.Mode = CipherMode.ECB;
objDESCryptoServiceProvider.Padding = PaddingMode.None;
byte[] bysData = Encoding.UTF8.GetBytes(src);
byte[] bysFixSizeData = new byte[(int)Math.Ceiling(bysData.Length / 8.0) * 8];
Array.Copy(bysData, bysFixSizeData, bysData.Length); byte[] bysEncrypted = objDESCryptoServiceProvider.CreateEncryptor().TransformFinalBlock(bysFixSizeData, 0, bysFixSizeData.Length);//加密
des = Convert.ToBase64String(bysEncrypted);//加密后的字符串
if (des.Equals("")) des = "error";
return des;
}
这块没有做处理,但是已经可以解密了,你可以提炼出一个方法出来。
{
string des = string.Empty;
byte[] inputByteArray = Convert.FromBase64String(src); DESCryptoServiceProvider objDESCryptoServiceProvider = new DESCryptoServiceProvider();
objDESCryptoServiceProvider.Key = Encoding.ASCII.GetBytes("12345678");//密钥
objDESCryptoServiceProvider.Mode = CipherMode.ECB;
objDESCryptoServiceProvider.Padding = PaddingMode.None;
byte[] bysDEcrypted = objDESCryptoServiceProvider.CreateDecryptor().TransformFinalBlock(inputByteArray, 0, inputByteArray.Length); byte[] bysFixSizeData = new byte[(int)Math.Ceiling(bysDEcrypted.Length / 8.0) * 8];
Array.Copy(bysDEcrypted, bysFixSizeData, bysDEcrypted.Length);
des = Encoding.UTF8.GetString(bysFixSizeData);//加密后的字符串
if (des.Equals("")) des = "error";
return des; }