}

    private NtlmNtHashAuthenticator(final byte[] passwordHash) {
        this.ntHash = passwordHash;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.NtlmPasswordAuthenticator#getNTHash()
     */
    @Override
    protected byte[] getNTHash() {
        return this.ntHash;
    }

    @Override
    public NtlmPasswordAuthenticator clone() {

        try {
            MessageDigest md4 = Crypto.getMD4();
            byte[] ntHash = getNTHash();
            switch (tc.getConfig().getLanManCompatibility()) {
            case 0:
            case 1:
            case 2:
                md4.update(ntHash);
                md4.digest(dest, offset, 16);
                break;
            case 3:
            case 4: