byte[] crypted = { 1,1}; // aici pui chiperText


            RSACryptoServiceProvider myRSA = new RSACryptoServiceProvider(1024);
            myRSA.FromXmlString("Aici pui acel string"); // sa pui acel xml string

            foreach (byte b in myRSA.Decrypt(crypted, false))
                Console.Write(b + " ");
            Console.ReadLine();