MD5 MessageDigest : MessageDigest « Security « Java Tutorial

1. Java Tutorial
2. Security
3. MessageDigest

import java.security.MessageDigest;

public class MainClass {
  public static void main(String args[]) throws Exception {
    MessageDigest m = MessageDigest.getInstance("MD5");
    m.update("test".getBytes());
    byte s[] = m.digest();
    String result = "";
    for (int i = 0; i < s.length; i++) {
      result += Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6);
    }
    System.out.println(result);
  }
}
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