Show
:"Captain Picard. There's a subspace message for you from Starfleet command. It's on [dramatic pause] a secure channel."
Show
:"A secure channel?!? What could be so important?"
Show
:"Good question, number one. Let's just hope it doesn't delay our rendezvous at Rigal 7. Lieutenant Worf, I'll take it in my ready room."
Show
: Generates a 256 bit public key, exchanges public keys over subspace, calculates a session key, checks validity of web certificate "Handshake protocol complete. Connection is secure."
Me: "Computer, log into Proton Mail."
Computer voice acted by Majel Barrett: "Proton Mail connection establish. Please enter user name and password."
Me: enters user name and password
Computer voice: "Warning, this connection is not secure. Hackers may be able to intercept your private information."
Me: "Computer, establish a secure connection."
Computer voice: "Unable to comply. A secure connection requires level 4 or above access."
Cryptography was also very much esoteric spooky might as well be magic shit back in the early 90s. I think it was still regulated as a strategic weapon or something.
And basilisk help you if the enemy AIs build a complete, detailed, and accurate simulation of you in a fish tank so they can infer what you'll do next without reading your comms!