Challenge to TCPA/Palladium detractors

[Matt Crawford]

> 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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