Programming and reading.

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Cake day: June 26th, 2023

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  • The safety number is not part of the encryption. It just says: this person is who they say they are. So as long as you can trust that the number actually came from that person, it’s fine. Afaik, the number is derived from the encryption keys, so it can’t be faked, but I would verify that if you’re unsure.

    Edit: was curious, here’s the blog post that introduced them: https://signal.org/blog/safety-number-updates/ Essentially, it’s a hash of the public key, so safe to broadcast, similar the HTTPS certificates employed on the web. They even say so: “the share button on the safety number screen and selecting FB, Twitter, email, etc to send the safety number to your contact.”




  • Consti@lemmy.worldtoLinux@lemmy.worldHow to grandma-proof Linux?
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    27 days ago

    Immutable distros aren’t immutable in the home folder though, they would be unusable otherwise, so that doesn’t solve OPs problem of dotfiles/personal files (I know nixOS tries to get rid of dotfiles, but in my experience that almost never works, it’s only helpful for replacing config files in /etc)