MD5.java

/*
 * Copyright 2016, Stuart Douglas, and individual contributors as indicated
 * by the @authors tag.
 *
 * 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.
 */

package org.fakereplace.util;

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

/**
 * @author Stuart Douglas
 */
public class MD5 {
    public static String md5(byte[] data) {

        MessageDigest m = null;
        try {
            m = MessageDigest.getInstance("MD5");

            m.reset();
            m.update(data);
            byte[] digest = m.digest();
            BigInteger bigInt = new BigInteger(1,digest);
            return bigInt.toString(16);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        }
    }
}