{
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    "uri": "at://did:plc:kyxdufbi5qaljy7bxivztuhy/app.bsky.feed.post/3mngbmcbax2d2"
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  "path": "/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html",
  "publishedAt": "2026-06-03T11:04:40.000Z",
  "site": "https://www.schneier.com",
  "tags": [
    "Uncategorized",
    "AI",
    "history of cryptography",
    "machine learning",
    "decrypt"
  ],
  "textContent": "Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.",
  "title": "AI Used to Decrypt Medieval Ciphers"
}