sha256

RestUtils.java

    public static String getMD5Hash(String password) {
        try {
            final MessageDigest messageDigest = MessageDigest.getInstance(MD5);
            messageDigest.reset();
            messageDigest.update(password.getBytes(UTF_8));

            final byte[] resultByte = messageDigest.digest();

            final String result = new String(Hex.encodeHex(resultByte));

            Log.d(TAG, "Password MD5 hash: " + result);

            return result;
        } catch (NoSuchAlgorithmException e) {
            Log.d(TAG, e.toString());
        } catch (UnsupportedEncodingException e) {
            Log.d(TAG, e.toString());
        }

        return null;
    }

    public static String getSha256(String message) {
        try {
            MessageDigest md = MessageDigest.getInstance(SHA256);
            md.reset();
            md.update(message.getBytes(UTF_8));

            byte[] digest = md.digest();

            final String result = new String(Hex.encodeHex(digest));

            Log.d(TAG, "HMAC after Sha256 encoding: " + result);

            return result;
        } catch (NoSuchAlgorithmException e) {
            Log.d(TAG, e.toString());
        } catch (UnsupportedEncodingException e) {
            Log.d(TAG, e.toString());
        }

        return null;
    }