1343
its even more outdated
(lemmy.dbzer0.com)
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this post was submitted on 18 Aug 2023
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As a matter of fact, WhatsApp has been using the signal protocol since 2016.
Signal is encryption protocol, for messaging WhatsApp uses locked down XMPP.
So they only ended up implementing encryption-related parts of the protocol+server combo, like e.g Double-Ratchet or X3DH?