* @param salt the salt value for preauth integrity
     */
    public PreauthIntegrityNegotiateContext(final Configuration config, final int[] hashAlgos, final byte[] salt) {
        this.hashAlgos = hashAlgos;
        this.salt = salt;
    }

    /**
     * Default constructor for deserialization.
     */
    public PreauthIntegrityNegotiateContext() {
    }

    /**
     * Gets the salt value used for preauth integrity.

            final byte[] salt = new byte[32];
            config.getRandom().nextBytes(salt);
            negoContexts.add(
                    new PreauthIntegrityNegotiateContext(config, new int[] { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 }, salt));
            this.preauthSalt = salt;

            if (config.isEncryptionEnabled()) {
                // Build cipher list based on AES-256 support