[11377] in cryptography@c2.net mail archive
Re: Challenge to TCPA/Palladium detractors
daemon@ATHENA.MIT.EDU (Matt Crawford)
Wed Aug 7 21:14:55 2002
Date: Wed, 07 Aug 2002 16:13:36 -0500
From: Matt Crawford <crawdad@fnal.gov>
In-reply-to: "07 Aug 2002 12:50:29 PDT."
<edd3dc1428a55c3d76050e88f74b3ed7@aarg.net>
To: cypherpunks@lne.com, cryptography@wasabisystems.com
> I'd like the Palladium/TCPA critics to offer an alternative proposal
> for achieving the following technical goal:
> Allow computers separated on the internet to cooperate and share data
> and computations such that no one can get access to the data outside
> the limitations and rules imposed by the applications.
> [...]
> You could even have each participant compile the program himself,
> but still each app can recognize the others on the network and
> cooperate with them.
Unless the application author can predict the exact output of the
compilers, he can't issue a signature on the object code. The
compilers then have to be inside the trusted base, checking a
signature on the source code and reflecting it somehow through a
signature they create for the object code.
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