Here you can find the source of getHashOf(String s)
public static String getHashOf(String s) throws Exception
//package com.java2s; /*//from ww w . j a v a 2 s . c o m * Copyright 2014 Joe Fernandez * * 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 String getHashOf(String s) throws Exception { MessageDigest md = MessageDigest.getInstance("SHA-256"); s += "TTM"; md.update(s.getBytes()); return byteArrayToHexString(md.digest()); } public static String byteArrayToHexString(byte[] b) { StringBuilder sb = new StringBuilder(b.length * 2); for (int i = 0; i < b.length; i++) { int v = b[i] & 0xff; if (v < 16) { sb.append('0'); } sb.append(Integer.toHexString(v)); } return sb.toString().toUpperCase(); } }