A PHP developer who, in his spare time, plays tabletop and videogames; if the weathers nice I climb rocks, but mostly fall off of indoor bouldering ones.

He/Him Blog Photos Keyoxide

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Joined 8 months ago
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Cake day: November 4th, 2023

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  • Each devices encryption keys are unique and non-transferable. Each message in a conversation is encrypted in such a way that every participating device at the time of sending can decrypt it.

    New devices (like desktop clients) didn’t have their keys used for old messages and so can’t decrypt them. There is no way to reencrypt old messages with additional new keys.

    It’s both annoying as shit, and also the only way to ensure a bad actor can’t just add themselves to conversations they weren’t a part of.