Методы шифрования

RSM

public byte[] RSMEncrypt(byte[] input, byte[] key)

{
Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(key, new byte[8], 1);
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Key = rfc2898DeriveBytes.GetBytes(16);
rijndaelManaged.IV = rfc2898DeriveBytes.GetBytes(16);
byte[] array = new byte[input.Length + 16];
Buffer.BlockCopy(Guid.NewGuid().ToByteArray(), 0, array, 0, 16);
Buffer.BlockCopy(input, 0, array, 16, input.Length);
return rijndaelManaged.CreateEncryptor().TransformFinalBlock(array, 0, array.Length);
}
public byte[] RSMDecrypt(byte[] data, byte[] key)
{
Rfc2898DeriveBytes R = new Rfc2898DeriveBytes(key, new byte[8], 1);
RijndaelManaged T = new RijndaelManaged();
T.Key = R.GetBytes(16);
T.IV = R.GetBytes(16);
byte[] O = T.CreateDecryptor().TransformFinalBlock(data, 0, data.Length);
byte[] U = new byte[O.Length - 16];
Buffer.BlockCopy(O, 16, U, 0, O.Length - 16);
return U;
}

Код

 public byte[] RSMEncrypt(byte[] input, byte[] key)

      

 {

            Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(key, new byte[8], 1);

            RijndaelManaged rijndaelManaged = new RijndaelManaged();

            rijndaelManaged.Key = rfc2898DeriveBytes.GetBytes(16);

            rijndaelManaged.IV = rfc2898DeriveBytes.GetBytes(16);

            byte[] array = new byte[input.Length + 16];

            Buffer.BlockCopy(Guid.NewGuid().ToByteArray(), 0, array, 0, 16);

            Buffer.BlockCopy(input, 0, array, 16, input.Length);

            return rijndaelManaged.CreateEncryptor().TransformFinalBlock(array, 0, array.Length);

        }

        public byte[] RSMDecrypt(byte[] data, byte[] key)

        {

            Rfc2898DeriveBytes R = new Rfc2898DeriveBytes(key, new byte[8], 1);

            RijndaelManaged T = new RijndaelManaged();

            T.Key = R.GetBytes(16);

            T.IV = R.GetBytes(16);

            byte[] O = T.CreateDecryptor().TransformFinalBlock(data, 0, data.Length);

            byte[] U = new byte[O.Length - 16];

            Buffer.BlockCopy(O, 16, U, 0, O.Length - 16);

            return U;

        }