md5 string

encode_decode.java

public static final String md5(String s) {
        String MD5 = CommonUtils.MD5_INSTANCE;
        try {
            MessageDigest digest = MessageDigest.getInstance(CommonUtils.MD5_INSTANCE);
            digest.update(s.getBytes());
            byte[] messageDigest = digest.digest();
            StringBuilder hexString = new StringBuilder();
            for (byte aMessageDigest : messageDigest) {
                String h = Integer.toHexString(aMessageDigest & 255);
                while (h.length() < 2) {
                    h = Constants.intrestDefault + h;
                }
                hexString.append(h);
            }
            return hexString.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return "";
        }
    }