MD5Util.java

package com.roketgamer.gravatar;

import java.io.*;
import java.security.*;

public class MD5Util {
	public static String hex(byte[] array) {
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < array.length; ++i) {
			sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
		}
		return sb.toString();
	}

	public static String md5Hex(String message) {
		try {
			MessageDigest md = MessageDigest.getInstance("MD5");
			return hex(md.digest(message.getBytes("CP1252")));
		} catch (NoSuchAlgorithmException e) {
		} catch (UnsupportedEncodingException e) {
		}
		return null;
	}
}