Reverse engineering CRC?

Lawrence D'Oliveiro ldo at geek-central.gen.new_zealand
Fri Mar 12 04:15:23 CET 2010


In message <mailman.452.1268043207.23598.python-list at python.org>, Dave Angel 
wrote:

> However, if there's anything in there about how to derive the polynomial
> algorithm from (a few) samples I missed it entirely.

Given that CRC is all just a sequence of xor operations, what happens if you 
xor various pairs of CRCs together, wouldn’t that cancel out at least parts 
of the operations?



More information about the Python-list mailing list