}
        assertEquals(sampleSize, uniqueNonces.size(), "All nonces should be completely unique");
    }

    @Test
    @DisplayName("Should securely wipe keys when calling secureWipeKeys()")
    void testSecureKeyWiping() {
        // Given
        byte[] originalEncKey = testEncryptionKey.clone();
        byte[] originalDecKey = testDecryptionKey.clone();

        // Ensure keys are not zero initially