From: Aahz on
In article <4B9E0C1F.9020003(a)>,
Gregory Ewing <greg.ewing(a)> wrote:
>It turned out to be a very standard CRC algorithm, complicated
>by the presence of a few extra bytes of data being checked that
>didn't appear explicitly in the file anywhere.
>In the process I developed some very general techniques for
>solving this kind of problem, which I've written about here
>if anyone's interested:

Excellent essay!
Aahz (aahz(a) <*>

"Many customs in this life persist because they ease friction and promote
productivity as a result of universal agreement, and whether they are
precisely the optimal choices is much less important." --Henry Spencer