Messages in this thread | | | Subject | Re: malware defense | Date | Tue, 07 Dec 1999 00:05:16 -0300 | From | Horst von Brand <> |
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Douglas Kilpatrick <dougk@tislabs.com> said:
[...]
> Exec is fairly expensive anyway (well, exec isn't, but loading and linking > programs is). As long as the check is reasonably quick most people won't > notice it.
You will certainly note an (expensive!) computation of a cryprograpic hash over _all_ the executable and the libraries it loads on startup. Today you use demand loading, and minor pieces like glibc are already at hand... -- Horst von Brand vonbrand@sleipnir.valparaiso.cl Casilla 9G, Viña del Mar, Chile +56 32 672616
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