Returns an MD-5 digest of the database encryption password. - Java Security

Java examples for Security:MD5

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Description

Returns an MD-5 digest of the database encryption password.

Demo Code

/*/*from  w  ww  .j  av a  2s.c om*/
 * Lazarus: Credentials management library
 *     Copyright (C) 2014 Alfredo 'wisedevil' Mungo
 *
 *     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 3 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, see <http://www.gnu.org/licenses/>.
 */
//package com.java2s;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;

public class Main {
    /**
     * Returns an MD-5 digest of the database encryption password.
     * <blockquote>This algorithm performs an MD-5 hash on a UTF-8 representation of the password.</blockquote>
     *
     * @param pass The plain encryption password
     *
     * @return The database encryption password digest
     *
     * @throws NoSuchAlgorithmException If the platform doesn't support MD-5
     */
    public static byte[] passToDigest(char[] pass)
            throws NoSuchAlgorithmException {
        // FIXME: Enhance security for this method
        Charset cs = Charset.forName("UTF-8");
        MessageDigest md = MessageDigest.getInstance("MD5");
        ByteBuffer bbuf = cs.encode(CharBuffer.wrap(pass));
        byte[] bpass = Arrays.copyOf(bbuf.array(), bbuf.remaining());

        return md.digest(bpass);
    }
}

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