Timing Cryptanalysis Attack

[Peter Monta]

Matt Blaze writes:

> Of course, this works against a remote adversary, but not against one
> on the same machine who can look at actual CPU consumption (which doesn't
> increase when the target is blocked).

Maybe this is a good reason to spinwait, rather than sleep, until
the timer expires.  It would be pretty subtle to distinguish that
from "real" computation.

Peter Monta