They are not. Your server admin and the admins of the server you send the message to could read the message, because its not encrypted.
Wow, sounds great. Maybe we do get private DMs in the fediverse, finally!
…yeah, nobody used it after it became obvious that they put a backdoor in it…
Every time you use Dual-EC(Elliptic curve cryptography) you are using NIST encryption, which is bad because they put a backdoor in it.
Dont blindly believe NIST, they have a track record of intentionally standartising weaker crypto so that the NSA has it easier, heres an article from a security researcher about Kyber, the one they say is “general purpose” (warning: long): http://blog.cr.yp.to/20231003-countcorrectly.html
Extremely cool. Perhaps a right step in the direction of hallucination free LLMs?