Re: [PATCH 1/1] Correct OSPF checksum validation

2015-04-28 Thread Ondrej Zajicek
On Sun, Apr 26, 2015 at 05:10:11PM +0100, Chris Boot wrote: > Prior to this patch, BIRD validates the OSPF LSA checksum by calculating > a new checksum and comparing it with the checksum in the header. Due to > the specifics of the Fletcher checksum used in OSPF, this is not > necessarily correct a

[PATCH 1/1] Correct OSPF checksum validation

2015-04-26 Thread Chris Boot
Prior to this patch, BIRD validates the OSPF LSA checksum by calculating a new checksum and comparing it with the checksum in the header. Due to the specifics of the Fletcher checksum used in OSPF, this is not necessarily correct as the checkbytes in the header may be calculated via a different mea