verify(mockRequest2).setSignSeq(102);
        verify(mockResponse2).setSignSeq(103);
    }

    @Test
    @DisplayName("Test partial update")
    void testPartialUpdate() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };

        // Update with partial data