Here you can find the source of md5(byte[] buffer, int length)
public static byte[] md5(byte[] buffer, int length)
//package com.java2s; /*//from ww w .java 2 s. c om * Copyright 2012 Netflix, Inc. * * 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.security.MessageDigest; public class Main { public static byte[] md5(byte[] buffer, int length) { try { MessageDigest mdigest = MessageDigest.getInstance("MD5"); mdigest.update(buffer, 0, length); return mdigest.digest(); } catch (Exception e) { throw new RuntimeException(e); } } }