}, "Should throw NullPointerException for null decryption key");
    }

    @Test
    @DisplayName("Should accept null dialect during construction")
    void testNullDialect() {
        // When/Then
        assertDoesNotThrow(() -> {
            Smb2EncryptionContext context = new Smb2EncryptionContext(1, null, testEncryptionKey, testDecryptionKey);