throw new CIFSException("invalid offset/length");
            }
            return Arrays.copyOfRange(token, off, off + len);
        }

        @Override
        public String getNetbiosName() {
            return this.nbName;
        }

        @Override
        public void dispose() throws CIFSException {
            if (this.disposed) {
                throw new CIFSException("already disposed");

    public boolean isMICAvailable() {
        return this.gssContext.getIntegState();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getNetbiosName()
     */
    @Override
    public String getNetbiosName() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getSigningKey()
     */
    @Override

        assertFalse(ctx.isMICAvailable());
        assertTrue(ctx.isMICAvailable());
    }

    @Test
    @DisplayName("getNetbiosName returns null")
    void getNetbiosName_null() {
        assertNull(ctx.getNetbiosName());
    }

    @Test
    @DisplayName("getSigningKey throws when ExtendedGSSContext not implemented")
    void getSigningKey_notImplementedByGSSContext() {

    void setMechs(final ASN1ObjectIdentifier[] mechs) {
        this.mechs = mechs;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getNetbiosName()
     */
    @Override
    public String getNetbiosName() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getSigningKey()
     */
    @Override

        return this.serverChallenge;
    }

    @Override
    public byte[] getSigningKey() {
        return this.masterKey;
    }

    @Override
    public String getNetbiosName() {
        return this.netbiosName;
    }

    /**
     * Sets the target server's Service Principal Name (SPN).
     * @param targetName
     *            the target's SPN
     */

                            SmbTransport.log.println(nctx);
                        }

                        if (nctx.isEstablished()) {

                            netbiosName = nctx.getNetbiosName();

                            connectionState = 2;

                            state = 0;
                            break;
                        }

                        try {