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Re: There's a hole in your crypto...

Nathan Zook writes:
 > > And is there any way to build trusted system out of small, verifiable
 > > pieces?  Since the way they're connected could also be questioned, I
 > > suspect that when you put enough of them together it's just as bad as
 > > the case of a single, monolithic program.  But this isn't my area, so
 > > I don't know.
 > No.  This was essentially proved during the first third of this century.

Well, I haven't gotten a reply from Nathan Zook on this assertion, so
can anyone else back it up with some references? Perhaps we're
discussing different contexts, but proving correct systems composed of
correct components is still a subject of active research.