C#des Plus decryption

public static string key        {            get            {                return Key;            }            Set            {                key = value;            }        }

DES encryption

        <summary>//DES Encrypt//</summary>/<param name= "encr Yptstring "> Strings to be encrypted </param>//<returns> encrypted strings </returns> public static string Desencry PT (String encryptstring) {byte[] keybytes = System.Text.Encoding.UTF8.GetBytes (key.            Substring (0, 8));            byte[] Keyiv = keybytes;            byte[] Inputbytearray = Encoding.UTF8.GetBytes (encryptstring); System.Security.Cryptography.DESCryptoServiceProvider Provider = new            System.Security.Cryptography.DESCryptoServiceProvider ();            System.IO.MemoryStream mstream = new System.IO.MemoryStream (); System.Security.Cryptography.CryptoStream Cstream = new System.Security.Cryptography.CryptoStream (Mstream, provider .            CreateEncryptor (Keybytes, Keyiv), System.Security.Cryptography.CryptoStreamMode.Write);            Cstream.write (Inputbytearray, 0, inputbytearray.length); Cstream.flushfinalbloCK ();        Return convert.tobase64string (Mstream.toarray ());     }

　　

Des decryption

         <summary>//Function:des Decrypt//</summary>/<param NA Me= "Decryptstring" > String to Decrypt </param>//<returns> decrypted string </returns> public static string Desdecrypt (String decryptstring) {byte[] keybytes = Encoding.UTF8.GetBytes (key.            Substring (0, 8));            byte[] Keyiv = keybytes;            byte[] Inputbytearray = convert.frombase64string (decryptstring); System.Security.Cryptography.DESCryptoServiceProvider Provider = new            System.Security.Cryptography.DESCryptoServiceProvider ();            System.IO.MemoryStream mstream = new System.IO.MemoryStream (); System.Security.Cryptography.CryptoStream Cstream = new System.Security.Cryptography.CryptoStream (Mstream, provider .            CreateDecryptor (Keybytes, Keyiv), System.Security.Cryptography.CryptoStreamMode.Write);            Cstream.write (Inputbytearray, 0, inputbytearray.length); Cstream.flushfinalblock();        Return Encoding.UTF8.GetString (Mstream.toarray ());   }

　　

C#des Plus decryption