Quoting "Perry E. Metzger" <[EMAIL PROTECTED]>:
> So, rephrasing, the problem is not that secret information isn't a
> fine way to establish trust -- it is the pretense that SSNs, your
> mom's birth name or even credit card numbers can be kept secret.
>
> > Identifying information cannot be kept secret.
>
> I'd amend that to "things like your name, your SSN or your account
> numbers cannot be kept secret..."
I think it's worse than that -- in reality it is any static piece of
information. It doesn't matter WHAT that piece of information is. You really
want a challenge-response system to prove both knowledge and liveness of the
information.
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
[EMAIL PROTECTED] PGP key available
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