Java MD5 String md5(String value)

Description

Return the MD5 sum of a string valiue

License

MIT License

Parameter

Parameter	Description
value	The value to md5

Return

The md5 sum of the value

Declaration

public static String md5(String value) 

Method Source Code

//package com.java2s;
/**// w  w  w  .  jav a 2 s.c o m
 * 
 * CraigStars!
 * 
 * Copyright (c) 2010 Craig Post Licensed under the MIT license.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * 
 */

import java.math.BigInteger;
import java.security.MessageDigest;

public class Main {
    /**
     * Return the MD5 sum of a string valiue
     * 
     * @param value The value to md5
     * @return The md5 sum of the value
     */
    public static String md5(String value) {
        try {
            MessageDigest m = MessageDigest.getInstance("MD5");
            byte[] data = value.getBytes();
            m.update(data, 0, data.length);
            BigInteger i = new BigInteger(1, m.digest());
            return String.format("%1$032x", i);
        } catch (Exception e) {
            throw new RuntimeException("Failed to md5 value: " + value);
        }
    }
}

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9. md5(String... args)