What advantage does Signal protocol have over basic public key encryption?

[Punk-BatSoup-Stasi 2.0]

On Mon, 25 Jan 2021 22:25:22 +0000
Lee Clagett <forum at leeclagett.com> wrote:


> With forward secrecy, the participants
> delete older shared-secrets preventing an adversary from recovering
> deleted messages. Also, cracking the single public-key would allow the
> recovery of all plaintexts; with forward secrecy the adversary is forced
> to crack multiple keys. This helps with privacy as the crypto and
> bit-length ages.


	that's for karl. 'forward secrecy' simply adds more key exchanges, but if the key exchange mechanism itself is broken, then foward secrecy...doesn't exist.