Make SHA Message : MessageDigest « Security « Java Tutorial

1. Java Tutorial
2. Security
3. MessageDigest

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MainClass {
  public static byte[] makeDigest(byte[] mush, long t2, double q2) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigest.getInstance("SHA");
    md.update(mush);
    md.update(makeBytes(t2, q2));
    return md.digest();
  }

}