assertArrayEquals(testGuid, response.getServerGuid(), "Server GUID should match");
        assertEquals(testSecurityMode, response.getSecurityMode(), "Security mode should match");
        assertEquals(testDialect, response.getDialect(), "Dialect should match");
    }

    @Test
    @DisplayName("Test decode with different buffer offset")
    void testDecodeWithDifferentOffset() throws SMBProtocolDecodingException {

        // Then
        assertNotNull(context, "Encryption context should be created");
        assertEquals(1, context.getCipherId(), "Cipher ID should match");
        assertEquals(DialectVersion.SMB311, context.getDialect(), "Dialect should match");
    }

    @Test
    @DisplayName("Should return correct cipher ID")
    void testGetCipherId() {
        // When
        int cipherId = encryptionContext.getCipherId();

            assertEquals(EncryptionNegotiateContext.CIPHER_AES128_CCM, ccm.getCipherId());
            assertEquals(DialectVersion.SMB300, ccm.getDialect());

            // SMB 3.1.1 -> default AES-128-GCM when server did not choose
            Smb2NegotiateResponse smb311 = new Smb2NegotiateResponse(cfg);

     */
    public int getCipherId() {
        return this.cipherId;
    }

    /**
     * Get the SMB dialect version
     * @return the SMB dialect version
     */
    public DialectVersion getDialect() {
        return this.dialect;
    }

    /**
     * Set key rotation limits
     *
     * @param bytesLimit maximum bytes to encrypt before rotation (0 to disable)

        if (nego.getSecurityMode() != out.getSecurityMode() || nego.getCapabilities() != out.getCapabilities()
                || nego.getDialectRevision() != out.getDialect() || !Arrays.equals(nego.getServerGuid(), out.getServerGuid())) {
            log.debug("Secure negotiation failure");
            throw new CIFSException("Mismatched attributes validating negotiate info");
        }

        DialectVersion selected = null;
        for (final DialectVersion dv : DialectVersion.values()) {
            if (!dv.isSMB2()) {
                continue;
            }
            if (dv.getDialect() == getDialectRevision()) {
                selected = dv;
            }
        }

        if (selected == null) {
            log.debug("Server returned an unknown dialect");
            return false;

        assertNotNull(request.getDialects());
        assertNotNull(request.getClientGuid());
        assertNotNull(request.getNegotiateContexts());
        assertNotNull(request.getPreauthSalt());

        // Verify data integrity
        assertEquals(16, request.getClientGuid().length);
        assertEquals(32, request.getPreauthSalt().length);
        assertTrue(request.getDialects().length > 0);