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@0xabad1dea@infosec.exchange

2026-02-13 14:40 UTC

@elexia@catcatnya.com my conversations with my mother-in-law about dogs, horses and babies are e2ee. because e2ee with one other party that a rando couldn't successfully impersonate long-term to you is a pretty solved problem. many-to-many e2ee does not work. it simply, absolutely does not work, in either a technical or social sense, and accomplishes nothing while introducing significant problems.

Replies (3)

  • @elexia@catcatnya.com 2026-02-13 14:49

    @0xabad1dea@infosec.exchange yeah the thing is just, people use discord for (relatively) small groups too. some of those would honestly be fine as a signal group (had one if those before), but for some having something with a bit more functionality would be good and your threat model there probably isn't being targeted by a nation state adversary, but surveillance dragnets and not wanting everything to sit in plaintext on a server in case someone who shouldn't gains access.

    Open ##2552075

  • @d1@autistics.life 2026-02-13 15:37

    @0xabad1dea@infosec.exchange @elexia@catcatnya.com "many-to-many e2ee does not work." - it's a highly valid insight. It's a notoriously hard problem to solve perfectly, for all use cases and scenarios. There have been several valiant attempts in the #OpenSource world, but some sort of technical problem or other seems to keep "bursting out the seams". The devil keeps being in the details.

    Open ##2552077

  • @apophis@yourwalls.today 2026-02-13 21:14

    @0xabad1dea@infosec.exchange @elexia@catcatnya.com e2ee many to many works just fine ...have the first group crowd around one computer and have the other group crowd around the other

    Open ##2552078