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cryptanalysis1 min read

GPT-6 Astra Breaks an Old Enigma Message

This is pretty amazing: However, the most astonishing thing about this break is that the GPT­6 Astra did it entirely on its own. Carter Leffer only directed GPT­6 Astra to see if it could break any of the unbroken Enigma messages published on the Crypto Cellar Research web page.

By Bruce SchneierBruce Schneier

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Originally published by Bruce Schneier on Sep 22, 2026.

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