[9177] in cryptography@c2.net mail archive
Re: Stealth Computing Abuses TCP Checksums
daemon@ATHENA.MIT.EDU (Paul Krumviede)
Fri Aug 31 14:57:18 2001
Date: Thu, 30 Aug 2001 17:50:37 -0700
From: Paul Krumviede <pwk@acm.org>
To: Bill Stewart <bill.stewart@pobox.com>, cypherpunks@lne.com
Cc: cryptography@wasabisystems.com
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--On Wednesday, 29 August, 2001 23:25 -0700 Bill Stewart
<bill.stewart@pobox.com> wrote:
>
> http://fyi.cnn.com/2001/TECH/internet/08/29/stealth.computing/index.html
> http://slashdot.org/article.pl?sid=01/08/29/199205&mode=thread
>
> A group of researchers at Notre Dame figured out how to use the
> TCP Checksum calculations to get other computers to do number-crunching
> for them.
>
> "Below, we present an implementation of a parasitic computer
> using the checksum function. In order for this to occur,
> one needs to design a special message that coerces a target server
> into performing the desired computation."
>
> The article has the amount of great mathematical depth you'd expect from
> CNN :-) But it does say that the paper will be published in "Nature" this
> week.
for those who didn't see the nature article, the authors have the article
(and supplementary material) available at
http://www.nd.edu/~parasite/
-paul
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