Java Hash String hashPassword(String password)

Description

Generate binary hash from raw text string Used for Pre-4.1 password handling

License

Open Source License

Parameter

Parameter	Description
password	IN plain text password to build hash

Return

OUT store hash in this location

Declaration

public static long[] hashPassword(String password) 

Method Source Code

//package com.java2s;
/*/*  w  ww  .  java2s .  c  o  m*/
 * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software;Designed and Developed mainly by many Chinese 
 * opensource volunteers. you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License version 2 only, as published by the
 * Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Any questions about this component can be directed to it's project Web address 
 * https://code.google.com/p/opencloudb/.
 *
 */

public class Main {
    /**
     * Generate binary hash from raw text string
     * Used for Pre-4.1 password handling
     * <p/>
     *
     * @param password IN  plain text password to build hash
     * @return OUT store hash in this location
     */

    //    password_len IN  password length (password may be not null-terminated)
    //    private static long[] hashPassword(String password, int passwordLen)
    public static long[] hashPassword(String password) {
        long nr = 1345345333L;
        long add = 7;
        long nr2 = 0x12345671L;
        long tmp;
        for (int i = 0; i < password.length(); ++i) {
            switch (password.charAt(i)) {
            case ' ':
            case '\t':
                continue;
            default:
                tmp = (0xff & password.charAt(i));
                nr ^= ((((nr & 63) + add) * tmp) + (nr << 8));
                nr2 += ((nr2 << 8) ^ nr);
                add += tmp;
            }
        }
        long[] result = new long[2];
        result[0] = nr & 0x7fffffffL;
        result[1] = nr2 & 0x7fffffffL;
        return result;
    }
}

Related

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2. hashIt(String s)
3. hasHost(String path)
4. hashOTP(String otp)
5. hashPassword(String password)
6. hashSpriteName(String name)
7. hashString(CharSequence str)
8. hashString(String data, int seed)
9. hashString(String s)