Creating a Keyed Digest Using MD5 : MD5 Message Digest algorithm  « Security « Java Tutorial

1. Java Tutorial
2. Security
3. MD5 Message Digest algorithm

import java.security.MessageDigest;

public class Main {
  public static void main(String[] a) throws Exception {
    byte[] buffer = new byte[10000];
    byte[] key = new byte[8];

    MessageDigest md5 = MessageDigest.getInstance("MD5");
    md5.update(buffer);
    byte[] k = md5.digest(key);
  }
}