char et = 'h';
		char to = 'r';
		byte[] test = new byte[2];
		test[0] = (byte)et;
		test[1] = (byte)to;
		 try {
	            MessageDigest md5 = MessageDigest.getInstance("MD5");
	            md5.update(test);
	            byte[] testDigest = md5.digest();
	            for(int i=0;i<testDigest.length;i++){
	            System.out.println(testDigest[i]);
	            }
	        } catch (NoSuchAlgorithmException e) {
	        	
	        }