Java SHA sha2(String password)

Description

sha

License

LGPL

Declaration

public static String sha2(String password) 

Method Source Code

//package com.java2s;
/*/* w w w. jav  a2 s .c  o m*/
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * Copyright (C) 2009 - 2015 Jonathan Luo
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 *
 */

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {

    public static String sha2(String password) {
        try {
            MessageDigest mDigest = MessageDigest.getInstance("SHA-256");
            String salt = "random_salt_77"; // get from property file
            String passWithSalt = password + salt;
            byte[] passBytes = passWithSalt.getBytes();
            byte[] result = mDigest.digest(passBytes);
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < result.length; i++) {
                sb.append(Integer.toString((result[i] & 0xff) + 0x100, 16).substring(1));
            }
            return sb.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return null;
    }
}

Related

1. sha(String str)
2. sha(String strPlain)
3. sha(String text, String encoding)
4. sha2(String content)
5. sha2(String input)
6. sha2(String... data)
7. sha5Encode(byte[] content)
8. SHA_1(byte[] input)
9. shaFile(String paramString)