Java Hash Calculate getHash(String givenStr)

Description

Get hash sum of given string.

License

Open Source License

Parameter

Parameter	Description
givenStr	given string;

Return

md5 hash sum representation;

Declaration

public static String getHash(String givenStr) 

Method Source Code

//package com.java2s;
/*/*from w w w.  ja  v a2  s .  com*/
 * Copyright (C) 2014 Stanislav Nepochatov
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

public class Main {
    /**
     * Get hash sum of given string.
     * @param givenStr given string;
     * @return md5 hash sum representation;
     */
    public static String getHash(String givenStr) {
        StringBuffer hexString = new StringBuffer();
        try {
            java.security.MessageDigest md = java.security.MessageDigest
                    .getInstance("MD5");
            md.update(givenStr.getBytes());
            byte[] hash = md.digest();
            for (int i = 0; i < hash.length; i++) {
                if ((0xff & hash[i]) < 0x10) {
                    hexString.append("0"
                            + Integer.toHexString((0xFF & hash[i])));
                } else {
                    hexString.append(Integer.toHexString(0xFF & hash[i]));
                }
            }
        } catch (Exception ex) {
        }
        return hexString.toString();
    }
}

Related

1. getHash(int iterationNb, String password, byte[] salt)
2. getHash(String algorithm, int i)
3. getHash(String credentials)
4. getHash(String Data)
5. getHash(String fileName, String hashType)
6. getHash(String input)
7. getHash(String input)
8. getHash(String key)
9. getHash(String message)