Quite a good overview on e2ee #endtoendencryption https://kerkour.com/signatures-modern-en.. Significantly more #complicated than one might expect. And this doesn't even begin to get into other complications either, such as #replay #attacks , #certificate #authorities , #randomnumber #generation , #cryptography #weakening (such as #poodle ), etc. It's a mess.
#encryption from one place to another should really not be this tough: https://matrix.org/blog/2021/09/13/vulne.. It should not be possible to *read* #encrypted #matrix #messages - #replay #attacks ? Sure. #information #leaking ? Sure. Message #blocking ? Sure. But *never* should it be possible to read the #plaintext message...