Java MD5 String md5(String s)

Description

Makes an md5 sum of the given string.

License

Apache License

Parameter

Parameter	Description
s	string to make sum of.

Return

the md5 as hexadecimals.

Declaration

public static String md5(String s) 

Method Source Code

//package com.java2s;
/*//w w w  .  j  av  a  2s  .c  om
 Copyright 2010 Martin Algesten
    
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
    
 http://www.apache.org/licenses/LICENSE-2.0
    
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.math.BigInteger;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    /**
     * Makes an md5 sum of the given string.
     * 
     * @param s
     *            string to make sum of.
     * @return the md5 as hexadecimals.
     */
    public static String md5(String s) {
        MessageDigest md5;
        try {
            md5 = MessageDigest.getInstance("MD5");
            md5.update(s.getBytes());
            return new BigInteger(1, md5.digest()).toString(16);
        } catch (NoSuchAlgorithmException e) {
            throw new IllegalStateException(e);
        }
    }
}

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