Re: data diodes

From: Ronald Crane <voting_at_lastland_dot_net>
Date: Sun Dec 03 2006 - 22:01:10 CST

I am not a Luddite, but I know that it's possible to embed the equivalent of
"bad guy magic" in electronic systems. Please show me how you would tell the
difference between a real Z80 CPU and one that's labelled the same but that
contains an ASIC that emulates a Z80 -- and that adds a few "extra" features
that are activated by, for example, keying the phrase "Open Sesame" in
MSB-first ASCII into the A0 line using 12V 2-nsec pulses with 10-nsec gaps?

Please be specific about the time, people, and other resources you would need
to discover this newt's-eye's-worth of "bad guy magic."

-R

On Sun, 3 Dec 2006 19:42:23 -0800, Ed Kennedy wrote
> Hello:
>
> About Luddites: I tend to follow the 7/8ths rule. If I can
> convince approximately that many people, I usually just ignore the remaining
> 1/8th.
...
> >From: "Ed Kennedy" <ekennedyx@yahoo.com>
> >Date: Sat, 2 Dec 2006 13:29:18 -0800
> >Subject: Re: [OVC-discuss] data diodes
>
> >Hello Charlie:
>
> > The problem is simply a one of confidence. The devices you propose
> >are probably very efficient and trouble free. However, one needs to be
> able
> >to take a pointer to the device and say, "See that little thing there?
>
> Hmm, you'll never convince the real luddites. If it's electronic,
> they believe it can have bad guy magic in it.

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Received on Sun Dec 31 23:17:04 2006

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