Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    private static MessageDigest md = null;

    public static String md5(final String c) {
        if (md == null) {
            try {
                md = MessageDigest.getInstance("MD5");
            } catch (NoSuchAlgorithmException e) {
                e.printStackTrace();
            }
        }

        if (md != null) {
            md.update(c.getBytes());
            return byte2hex(md.digest());
        }
        return "";
    }

    public static String byte2hex(byte b[]) {
        String hs = "";
        String stmp = "";
        for (int n = 0; n < b.length; n++) {
            stmp = Integer.toHexString(b[n] & 0xff);
            if (stmp.length() == 1)
                hs = hs + "0" + stmp;
            else
                hs = hs + stmp;
            if (n < b.length - 1)
                hs = (new StringBuffer(String.valueOf(hs))).toString();
        }

        return hs.toUpperCase();
    }
}