}

    @Test
    @DisplayName("Should derive unique keys for different preauth values")
    void testDeriveKeys_UniquePreauthValues() {
        // Given
        byte[] preauth1 = new byte[64];
        byte[] preauth2 = new byte[64];
        new SecureRandom().nextBytes(preauth1);
        new SecureRandom().nextBytes(preauth2);