[Cryptography] WhatsApp: Why asymmetric key instead of symmetric keys?

david wong davidwong.crypto at gmail.com
Thu Apr 28 14:32:01 EDT 2016


Maybe a better approach is to see how much power (at a maximum) we can suck
out of the planet (or sun with some Dyson sphere
https://en.wikipedia.org/wiki/Dyson_sphere), and how much cycles (at a
maximum) we can operate from this amount of power
(https://en.wikipedia.org/wiki/Landauer's_principle). Bernstein ran some
numbers on that here: https://blog.cr.yp.to/20151120-batchattacks.html

  

David

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