full-disclosure - Re: Gödel and kernel backdoors

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Message-ID: <20100919170726.GA1643@sivokote.iziade.m$>
Date: Sun, 19 Sep 2010 20:07:26 +0300
From: Georgi Guninski <guninski@...inski.com>
To: Pavel Kankovsky <peak@...o.troja.mff.cuni.cz>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Gödel and kernel backdoors

On Sun, Sep 19, 2010 at 06:21:35PM +0200, Pavel Kankovsky wrote:
> On the other hand, It is possible to "detect all bad programs" if it is
> allowed to err on the safe side and mistake some good programs for bad
> programs. An extreme example is to call all programs bad unless their
> exact code appears on the list of known good programs.
>

i doubt this can be remotely implemented in practice because of dynamic code like |eval| and mobile code.

can |code| be realistically distinguished from |data| for current OSes
(e.g. is a vim modeline *only a* plain string or a string + program) ?

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