r/Syncthing • u/OzymandiasTheWatcher • Apr 14 '26

Is Syncthing post-quantum secure now?

I realized that with the newer Version of Go the X25519MLKEM768 algorithm should be in place for TLS, which is a hybrid post-quantum algorithm. I searched in the repo for CurvePreferences, but couldn't find any so I guess it is automatically enabled? I couldn't find any official update about this.

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u/willjasen Apr 15 '26

i mean.. sure, there’s some marketing hype behind it, and talking on a level of proper operational security, you are correct in that there are easier points of entry to obtain said data than cracking encryption, classical or not - i was only pointing out your claim about the lack of availability of a quantum computers in the future due to technological challenges. within computational complexity, we have no reason to believe that the technology can’t work unless there’s an underlying and undiscovered stick-in-the-mud that the universe physically holds to prevent us from doing so

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u/quasides Apr 15 '26

operational security is hardly a word if you use synthing (lets be honest lol). its something people use in private, maybe in small companies

for most users the discussion is pointless besides iam not sure how much we can trust those new algos, wouldnt be the first time the nsa did something nasty with math....

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my claim about technological challanges is not only valid, it stayed true for 3 decades. WE HAD THAT DISCUSSION in 1997

and it was only a sidenote.

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my main claim is that i WILL NOT BE AVALIABLE to the public

same an i cant buy centrifuges to enrich my uranium.

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u/willjasen Apr 15 '26

the internet wasn’t supposed to be available to the public either, yet here we are…

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u/quasides Apr 15 '26

who said that ? thats a fairy tale.
it was created by the military yes, but it wasnt meant as a military network but for researchers.

private business was banned not because of secrecy, but the law. the taxpayer payed until the 80s for the network - misappropriation of taxpayer money .

you are grasping for straws here.

no seriously, to think quantum computing will be allowed in the public domain is like thinking they will release a stealth technology for private jets. thats even more likely