md5 加密模板

public class MD5Util {

    public static String getDigestedPassword(String password) throws NoSuchAlgorithmException {
        byte[] buf = password.getBytes();
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        md5.update(buf);
        byte[] tmp = md5.digest();
        StringBuilder sb = new StringBuilder();
        for (byte b : tmp) {
            sb.append(Integer.toHexString(b & 0xff));
        }
        return sb.toString();
    }
}