Proton Mail on Nostr: Caesar used to communicate privately by encrypting his correspondence with what came ...
Caesar used to communicate privately by encrypting his correspondence with what came to be called the #caesarcipher.
This simple and widely known encryption technique is a substitution cipher in which each letter in plaintext is replaced by another letter following a fix position further up or down the alphabet.
This modest form of #encryption required no mathematics, and it could be done by finger-counting.
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Published at
2024-03-15 16:35:30Event JSON
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"pubkey": "de7aa63b1c7e809f66a67bdcd2bd4c952a09cd52ee01ed7db358d09bad97f840",
"created_at": 1710520530,
"kind": 1,
"tags": [
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"wss://relay.mostr.pub",
"reply"
],
[
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],
[
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],
[
"proxy",
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"activitypub"
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],
"content": "Caesar used to communicate privately by encrypting his correspondence with what came to be called the #caesarcipher. \n\nThis simple and widely known encryption technique is a substitution cipher in which each letter in plaintext is replaced by another letter following a fix position further up or down the alphabet.\nThis modest form of #encryption required no mathematics, and it could be done by finger-counting.\n\n 2 / 3\n\nhttps://files.mastodon.social/media_attachments/files/112/100/671/968/349/682/original/d24edaf3de3886d8.png",
"sig": "5256297f02784b40e5f13390dc4c4281e015762109b6a82d2748c4abff83da632ee4636133daa54096a7984d8a024bc2a061955e0f93835681753238c893281f"
}