assertNull(context.getHashAlgos());
            assertEquals(20, context.size()); // 4 header + 16 salt
        }

        @Test
        @DisplayName("Should handle null salt")
        void testNullSalt() {
            int[] hashAlgos = { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 };
            context = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, null);

            assertNull(context.getSalt());