Save SHA Message : SHA Secure Hash Algorithm « Security « Java Tutorial

1. Java Tutorial
2. Security
3. SHA Secure Hash Algorithm

import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.security.MessageDigest;

public class MainClass {
  public static void main(String args[]) throws Exception {
    FileOutputStream fos = new FileOutputStream("test");
    MessageDigest md = MessageDigest.getInstance("SHA");
    ObjectOutputStream oos = new ObjectOutputStream(fos);
    String data = "thee";
    byte buf[] = data.getBytes();
    md.update(buf);
    oos.writeObject(data);
    oos.writeObject(md.digest());
  }
}