Java MD5 String md5(String s)

Description

md

License

Open Source License

Declaration

public static String md5(String s) throws NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
/*//from  w  w  w  .  j  a  v a  2 s. c  om
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 * Authors:
 *   leiwen <chrisredfield1985@126.com> , boyan <killme2008@gmail.com>
 */

import java.security.NoSuchAlgorithmException;

public class Main {
    public static String md5(String s) throws NoSuchAlgorithmException {
        String result = "";
        java.security.MessageDigest m = java.security.MessageDigest
                .getInstance("MD5");
        m.update(s.getBytes(), 0, s.length());
        byte[] bytes = m.digest();
        for (int i = 0; i < bytes.length; i++) {
            String vs = Integer.toHexString(bytes[i] & 0xff);
            if (vs.length() < 2) {
                vs = '0' + vs;
            }
            result += vs;
        }
        return result;
    }
}

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