Path: utzoo!attcan!uunet!mcsun!unido!mpirbn!p554mve
From: p554mve@mpirbn.mpifr-bonn.mpg.de (Michael van Elst)
Newsgroups: comp.sys.amiga
Subject: Re: Populous for all Amigas!
Message-ID: <1322@mpirbn.mpifr-bonn.mpg.de>
Date: 19 Oct 90 18:35:07 GMT
References: <32943@nigel.ee.udel.edu> <7814@ucdavis.ucdavis.edu> <1990Oct18.172121.878@digibd.com>
Reply-To: p554mve@mpirbn.UUCP (Michael van Elst)
Organization: Max-Planck-Institut fuer Radioastronomie, Bonn
Lines: 19

In article <1990Oct18.172121.878@digibd.com> steve@digibd.com (Steve Wahl) writes:
>Ok.  Does anyone care to explain to me how the ENCRYPTED version of the
>code got into the INSTRUCTION-ONLY cache?  I don't think this argument
>works, because the encrypted stuff would have to be executed to be
>in the cache.  Hmm.. I guess it could be that the first few instructions
>immediately follow the decrypting routine, so that some prefetched
>instructions get into the cache.

That's possible but the more likely problem is that there are several
encrypted parts that are decrypted to the same buffer. When a routine
gets executed you might end with executing the previously decrypted
one.

Regards,
-- 
Michael van Elst
UUCP:     universe!local-cluster!milky-way!sol!earth!uunet!unido!mpirbn!p554mve
Internet: p554mve@mpirbn.mpifr-bonn.mpg.de
                                "A potential Snark may lurk in every tree."