.Net Encrypton ve foxpro

private string Encrypt(string value) 

        { 

            UTF8Encoding utf8Enc = new UTF8Encoding();

            System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider(); 

            des.Key = utf8Enc.GetBytes(desKey); 

            des.IV = utf8Enc.GetBytes(desIv);

            System.Security.Cryptography.ICryptoTransform encryptor = des.CreateEncryptor(); 

            byte[] arrayByte = utf8Enc.GetBytes(value); 

            byte[] enc = encryptor.TransformFinalBlock(arrayByte, 0, arrayByte.Length); 

            return Convert.ToBase64String(enc); 

        }

        private string Decrypt(string value) 

        { 

            UTF8Encoding utf8Enc = new UTF8Encoding();

            System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider(); 

            des.Key = utf8Enc.GetBytes(desKey); 

            des.IV = utf8Enc.GetBytes(desIv);

            System.Security.Cryptography.ICryptoTransform decryptor = des.CreateDecryptor(); 

            byte[] arrayByte = Convert.FromBase64String(value); 

            byte[] original = decryptor.TransformFinalBlock(arrayByte, 0, arrayByte.Length); 

            return utf8Enc.GetString(original); 

        }