[Winpcap-users] TCP Checksum - Still problem

[Vasily Borovyak]

Hi, Vidar.

You're using Ethereal. AFAIK it's opensource. So you can go to the 
ethereal.com and try to use its checksum calculating function.

Sorry, but I got no time to review your code.


> //*****************************************************************
> // FUNCTION: in_cksum
> // Calculates the TCP Checksum 
> // This produces the same checksum as csum, but the checksum is
> // still reported as incorrect by Ethereal, and it also differs from
> // the CRC of the corresponding packet of the input ethereal/tcpdump file
> //*****************************************************************

-- 
Best regards. Vasily Borovyak <vbor at isd.dp.ua>