assertEquals(0, buffer[5]);
            assertArrayEquals(testSalt, Arrays.copyOfRange(buffer, 6, 14));
        }

        @Test
        @DisplayName("Should encode with null values")
        void testEncodeWithNullValues() {
            // Arrange
            context = new PreauthIntegrityNegotiateContext(mockConfig, null, null);
            byte[] buffer = new byte[100];

            // Act