Update 11/25: I was made aware that Signal has some proprietary anti-spam code and added the TLDR. A More Technical TLDR I never know how much jargon I should include or how much I should explain, and as long as I’m writing I’m enjoying myself meaning I’ve been all over the place. But here’s a shortened version for those familiar with encryption. A vanilla implementation of the Signal protocol relies on public key infrastructure to perform a handshake between devices.
