MD5

package com.chintrip.util;

import java.security.MessageDigest;

public class MD5 {
	private static char hexs[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
			'9', 'a', 'b', 'c', 'd', 'e', 'f' };

	public static String encode(String source) {
		try {
			MessageDigest digester = MessageDigest.getInstance("MD5");
			byte[] sbs = source.getBytes("UTF8");
			digester.update(sbs);
			byte[] rbs = digester.digest();
			int j = rbs.length;
			char result[] = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; i++) {
				byte b = rbs[i];
				result[k++] = hexs[b >>> 4 & 0xf];
				result[k++] = hexs[b & 0xf];
			}
			return new String(result);
		} catch (Exception e) {
			return null;
		}
	}

	public static void main(String[] args) {
		try {
			System.out.print(encode("SDK-BBX-010-13815035118"));
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}