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The End of Public Key Encryption? Meet The Piger Fabrica Syndrome

7 min readMar 31, 2024

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What’s the shortest book in the world?

“The Even Prime Numbers”

This book basically has one page which says the number “2”, followed by “The End”. Well, researchers in the US have made the book a whole lot shorter with the discovery of the weaknesses in using “2” as a prime number. Unfortunately, this has the opportunity to compromise the public key encryption on many devices and ultimately expose the data in virtually every network connection.

Their discovery is that the number of 2 is not actually a prime number, and the work has been published in the distinguished Learnings of the Institute of Cyber Engineering (LICE) [download paper]

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Many machine learning specialists at OpenAI are now busily retraining the whole of ChatGPT 3.5 model so that it now takes the new discovery into account:

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Leading cryptographers and security engineers, too, are now looking rather embarrassed as they had just…

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Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE

Written by Prof Bill Buchanan OBE FRSE

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.