package md5demo; import java.security.MessageDigest; public class Main { public static void main(String[] args) { String key = "chris"; byte a[] = key.getBytes(); try { MessageDigest md = MessageDigest.getInstance("MD5"); byte hash[] = md.digest(a); for (byte b: hash) { System.out.printf("%02x\n", b); } } catch (java.security.NoSuchAlgorithmException e) { System.exit(1); } } }