A nice and reasonable approach.
I just wonder why doubling up the cyphers is the way to go? Not confident in the post-quantum cipher yet?
this post was submitted on 20 Sep 2023
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Yeah they explain it in the article.
There was a "quantum safe" encryption scheme proposed that had a non-quantum vulnerability found in it. Perhaps they are hedging against that occuring again? The scheme was rejected in the end so didnt matter to much.
Google is also going with a combined approach: https://security.googleblog.com/2023/08/toward-quantum-resilient-security-keys.html
New ones are too young and not battle tested with time. Hybrid PQ is the norm until more data is available.
I never predict Signal will implement this QuanResist really fast pace than other messenger apps. Applause to the dev team!
We believe that the key encapsulation mechanism we have selected, CRYSTALS-Kyber, is built on solid foundations, but to be safe we do not want to simply replace our existing elliptic curve cryptography foundations with a post-quantum public key cryptosystem.
Does this sound like VX Junkies to anybody else? I feel the need to check on my turbo encabulator 😅
The original machine had a base-plate of prefabulated aluminite, surmounted by a malleable logarithmic casing in such a way that the two main spurving bearings were in a direct line with the pentametric fan. The latter consisted simply of six hydrocoptic marzlevanes, so fitted to the ambifacient lunar waneshaft that side fumbling was effectively prevented. The main winding was of the normal lotus-o-delta type placed in panendermic semi-bovoid slots in the stator, every seventh conductor being connected by a non-reversible tremie pipe to the differential girdlespring on the "up" end of the grammeters.
Will signald be updated? Matrix wants to know.
For anyone curious, I've opened an issue to confirm: https://gitlab.com/signald/signald/-/issues/377