public byte[] getBindingHash() {
        return bindingHash;
    }

    /**
     * Set channel binding hash
     *
     * @param bindingHash binding hash bytes
     */
    public void setBindingHash(byte[] bindingHash) {
        this.bindingHash = bindingHash;
    }

    /**
     * Check if this is the primary channel
     *
     * @return true if primary
     */

        // Calculate channel binding hash per MS-SMB2 3.2.5.3.1
        byte[] bindingInfo = calculateBindingInfo(channel);
        byte[] bindingHash = calculateBindingHash(bindingInfo);
        channel.setBindingHash(bindingHash);

        // Create session setup request with binding flag
        Smb2SessionSetupRequest request = new Smb2SessionSetupRequest(context, 0x03, // SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED

        // Calculate channel binding hash
        byte[] bindingInfo = calculateBindingInfo(channel);
        byte[] bindingHash = calculateBindingHash(bindingInfo);
        channel.setBindingHash(bindingHash);
        
        // Send session setup with channel binding
        Smb2SessionSetupRequest request = new Smb2SessionSetupRequest();
        request.setSessionId(session.getSessionId());