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#papersec — Public Fediverse posts

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  1. early end to end encapsulation

    letterlocking was used as a tamper-evident closing of a letter by using folds, cuts and glues to make it difficult to snoop undetected

    Not really encryption, but still a lot more work than GPG encrypting something

    bbc.com/future/article/2021061

    #PaperSec #LetterLocking