private String sha256()

in src/main/java/com/awslabs/aws/iot/websockets/BasicMqttOverWebsocketsProvider.java [335:340]


    private String sha256(String data) throws NoSuchAlgorithmException {
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(data.getBytes());

        return bytesToHex(md.digest());
    }