assertTrue(result); // Signature mismatch expected
    }

    @Test
    @DisplayName("Test verify method with invalid signature")
    void testVerifyWithInvalidSignature() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[100];

        // Set invalid signature
        for (int i = 0; i < 8; i++) {