preauthService.validatePreauthIntegrity(sessionId, incorrectHash);
        });
    }

    @Test
    @DisplayName("Test supported hash algorithms")
    public void testSupportedHashAlgorithms() {
        assertTrue(preauthService.isHashAlgorithmSupported(PreauthIntegrityService.HASH_ALGO_SHA512));
        assertFalse(preauthService.isHashAlgorithmSupported(0xFF)); // Unsupported