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

John Levine johnl at iecc.com
Tue Apr 26 10:46:41 EDT 2016


>But I meant, "why not both"?
>It's not difficult to design a protocol which also supports pre shared keys.

What problem would that solve?  The asymmetric keys work fine.

R's,
John





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