@Override
        public boolean verifySignature(byte[] buffer, int i, int size) {
            // Mock implementation
            return true;
        }

        @Override
        public byte[] getRawPayload() {
            return this.rawPayload;
        }

        @Override
        public void retainPayload() {
            // Mock implementation - do nothing
        }

        @Override

                    byte[] reqBytes = request.getRawPayload();
                    this.preauthIntegrityHash = trans.calculatePreauthHash(reqBytes, 0, reqBytes.length, this.preauthIntegrityHash);

                    if (response.getStatus() == NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED) {
                        byte[] respBytes = response.getRawPayload();

        this.retainPayload = true;
    }

    @Override
    public boolean isRetainPayload() {
        return this.retainPayload;
    }

    @Override
    public byte[] getRawPayload() {
        return this.rawPayload;
    }

    @Override
    public void setRawPayload(final byte[] rawPayload) {
        this.rawPayload = rawPayload;
    }

    /**
     * {@inheritDoc}