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by acdjuiamadfn 3238 days ago
Anybody knows how whatsapp does it currently?
3 comments
baby 3238 days ago
They use Whisper Systems specs:

* https://whispersystems.org/docs/specifications/x3dh/

* https://whispersystems.org/docs/specifications/doubleratchet...

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kelnage 3238 days ago
I believe it is pairwise (i.e. every chat member does a handshake with every other chat member), although there is some debate about this in the academic community.
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bdamm 3238 days ago
Does whatsapp do multiparty encryption? I didn't think they did.
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