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From: Victor A. Wagner Jr. (vawjr_at_[hidden])
Date: 2004-12-20 23:49:33

At Monday 2004-12-20 19:56, you wrote:
>Stefan Seefeld wrote:
>>Rene Rivera wrote:
>>>Daryle Walker wrote:
>>>>I dislike the idea of executable-wrapped archives in general. You
>>>>only have a creator's word that the file isn't actually a Trojan
>>>>and/or infected with a virus. (Even a trustworthy creator may get
>>>>overridden by a cracker's altered archives.)
>>>That is true regardless of type of archive. The source archives are just
>>>as susceptible to tampering as the executable ones. And such tampering
>>>has occurred in other open source distributed material.
>>I believe what Daryle is getting at here is the fact that on one
>>particular platform it is common practice to execute a downloaded file
>>itself (or an attachment, or...) instead of using a trusted local
>>executable to inspect the content of a downloaded file.
>>It's certainly always a good idea to validate the integrity of an
>>unknown file, however it's much less dangerous if such files are
>>passive data instead of executable code that could harm the whole machine.
>OK, got that.. But my point was that there is no such thing as passive
>data when you distribute programs, or fragments thereof. Whether they are
>in source form or directly executable you are equally susceptible to
>tampering. Therefore the only way to produce a secure product is to
>secure the entire process, something I think none of us are willing to
>embark on for Boost ;-) So it comes to two other choices: provide for an
>independent trustee

I think it would be trivial to add "checksumming" (md5 or better) for each
source file as part of the regression processing. If these were published
independently, you could be rather sure your stuff hadn't been tampered).

> of the archives (PK or other authorities), or individual guards against
> malicious content (firewalls, anti-virus programs, etc.). Hopefully all
> Boost users are intelligent enough to have already done the latter. And
> perhaps we can do something about the former.
>-- Grafik - Don't Assume Anything
>-- Redshift Software, Inc. -
>-- rrivera/ - grafik/ - 102708583/icq
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Victor A. Wagner Jr.
The five most dangerous words in the English language:
               "There oughta be a law"

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