MD5加密工具类

import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public class MD5Util {   public static String getMd5Value(String sSecret) {      try {         MessageDigest bmd5 = MessageDigest.getInstance("MD5");         bmd5.update(sSecret.getBytes());         int i;         StringBuffer buf = new StringBuffer();         byte[] b = bmd5.digest();         for (int offset = 0; offset < b.length; offset++) {            i = b[offset];            if (i < 0)               i += 256;            if (i < 16)               buf.append("0");            buf.append(Integer.toHexString(i));         }         return buf.toString();      } catch (NoSuchAlgorithmException e) {         e.printStackTrace();      }      return "";   }}