Java tutorial
//package com.java2s; /* * This is the source code of Telegram for Android v. 1.4.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2014. */ import android.util.Log; public class Main { public static String MD5(String md5) { if (md5 == null) { return null; } try { java.security.MessageDigest md = java.security.MessageDigest.getInstance("MD5"); byte[] array = md.digest(md5.getBytes()); StringBuilder sb = new StringBuilder(); for (byte anArray : array) { sb.append(Integer.toHexString((anArray & 0xFF) | 0x100).substring(1, 3)); } return sb.toString(); } catch (java.security.NoSuchAlgorithmException e) { Log.e("tmessages", e.getMessage()); } return null; } }