package cn.ksource.core.util;



import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;



public class MD5Util
{
	private final static char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

	private static String bytesToHex(byte[] bytes) {
	    StringBuffer sb = new StringBuffer();
	    int t;
	    for (int i = 0; i < 16; i++) {// 16 == bytes.length;
	
	        t = bytes[i];
	        if (t < 0)
	            t +=256;
	        sb.append(hexDigits[(t >>> 4)]);
	        sb.append(hexDigits[(t % 16)]);
	    }
	    return sb.toString();
	}

	public static String getMD5(String input) {
	    try {
	        MessageDigest md = MessageDigest.getInstance("MD5");
	        return bytesToHex(md.digest(input.getBytes()));
	
	    } catch (NoSuchAlgorithmException e) {
	        e.printStackTrace();     
	        
	    } 
	    return null;
	}
	public static void main(String[] args) throws UnsupportedEncodingException {
		System.out.println(getMD5("AS1KL123XXXCF4BGF3L/KKJJFJFJJ1LMLM1MMX13DXXXCF/KKJJFJF15834100120"));
	}
}