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AI model Astra decrypts unsolved 1941 German Enigma message in two days

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GoKawiil Brief

Crypto Cellar Research reports that GPT-Astra cracked the previously unbroken 82-letter German Army Enigma transmission known as MVUEH, sent to the SS-Totenkopf Division on July 10, 1941. The message, publicly available since 2005 but never decoded, was solved autonomously by Astra, which wrote its own Python and C++ Enigma simulation and Bombe tools and correctly guessed a probable plaintext clue referencing the town Rosenow.

Why It Matters

GoKawiil's interpretation of the reporting above, not reported fact.

Crypto Cellar researchers say the task would normally take human cryptanalysts weeks or months, suggesting AI systems could accelerate work on other historical unsolved ciphers. Researchers are still reviewing logs to understand exactly how Astra chose its approach and solved the puzzle so quickly, indicating the method itself may offer new insight into automated cryptanalysis techniques.

Key Takeaways
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Source: tomshardware.com — Mark Tyson, 2026-09-26

Published there as: “ChatGPT-6 Astra cracks 85-year-old 1941 Enigma-coded message in two days”

Read the original report → The summary and analysis above are GoKawiil's own, written from reporting by the source above. Facts and quotes belong to the original publisher.