Java examples for Security:MD5
hash Password using MD5
//package com.java2s; import java.security.MessageDigest; public class Main { public static void main(String[] argv) throws Exception { String password = "java2s.com"; System.out.println(hashPassword(password)); }//w w w . j a v a2 s. co m public static String hashPassword(String password) { String hash = null; try { MessageDigest md = MessageDigest.getInstance("MD5"); md.update(password.getBytes()); byte byteData[] = md.digest(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < byteData.length; i++) { sb.append(Integer .toString((byteData[i] & 0xff) + 0x100, 16) .substring(1)); } hash = sb.toString(); } catch (Exception e) { e.printStackTrace(); } return hash; } }