Medieval Encrypted Letter Decoded_SCHNEIER:7C3FF6255F908E83256FC84045D146A0

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    "description": "Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.",
    "published": "2026-04-27T11:04:41",
    "modified": "2026-04-27T11:05:17",
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    "title": "Medieval Encrypted Letter Decoded",
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