how did military commanders in olden times send instructions across hundreds of miles without concern of forgery or interception? - eviltoast

Let me know if there is a better community for this type of question. I am still learning my way around.

  • Chaotic Entropy@feddit.uk
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    1 year ago

    Surely the first person to obscure their meaning in any way engaged in the first form of encryption? Regardless even of whether someone could decrypt their meaning.