Exact timestamps may be bad

Johan Wevers johanw@vulcan.xs4all.nl
Mon Jul 29 07:05:02 2002

Joel Ray Holveck wrote:

> The signature is the killer.  Remember that remailer (or chain of
> remailers) is taking measures to prevent traffic analysis, including
> adding artificial latency.  The problem is, the signature contains a
> timestamp.  Eve can look at the timestamp on the signature, and
> correlate it with one of the messages entering the remailer network,
> thereby finding out exactly who Alice is.

Except, of course, when Alice sets the time on her computer incorrect.

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