private static final byte[] DECCONTEXT_300 = toCBytes("ServerOut");
    private static final byte[] DECLABEL_300 = toCBytes("SMB2AESCCM");
    private static final byte[] DECLABEL_311 = toCBytes("SMB2S2CCipherKey");

    /**
     *
     */
    private Smb3KeyDerivation() {
    }

    /**
     * Derives the SMB3 signing key from the session key using the appropriate KDF for the dialect.
     *