assertFalse(Arrays.equals(sessionKey, signingKey), "Signing key should be different from session key");
    }

    @Test
    @DisplayName("Should derive signing key for SMB 3.1.1 dialect")
    void testDeriveSigningKey_SMB311() {
        // Given
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // When
        byte[] signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, preauthIntegrity);