[Winpcap-users] TCP Checksum Calculator
guy at alum.mit.edu
Tue Mar 6 05:38:27 GMT 2007
On Mar 5, 2007, at 3:57 AM, Jonathan Hunt wrote:
> I was just wondering whether anyone had implemented a simple TCP
> checksum-verifying function for a packet captured through WinPcap. I
> need to include one in a simple C-program which I'm writing, but I'd
> imagine that it's something which has been coded about 1000 times
> before, so I thought I'd see if anyone could kindly help me out -
> there's no point in reinventing the wheel!
There's C code for that in the Wireshark source:
It's the BSD checksum code.
More information about the Winpcap-users