public void auth(){
		String realUser = Receive();
		String passWord = "demouser";
		BigInteger remoteKey = Receive();
		BigInteger remoteSalt = Receive();
		BigInteger random = new BigInteger(random);

		BigInteger modulus = random.modPow(key);

		Send(modulus);

		BigInteger smallKey = Receive();
		BigInteger bigKey = Receive();

		BigInteger passsha = new BigInteger(SHA1(realUser,password));
		Digest sha = new SHA1();
		sha.update(modulus);

	}