RSA or DSA keylength as an anti-spam feature
Robert J. Hansen
rjh at sixdemonbag.org
Wed Jul 2 05:17:51 CEST 2014
> Could this last property of bigger keys, significantly increasing CPU
> time needed to send encrypted/signed messages, be used as an anti-spam
Not really. If you've got a hijacked botnet of 50,000 machines, what do
you care if the CPU gets pegged? You're not the machine's owner.
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