Quoting Matthew Green

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post-quantum-cryptography cryptanalysis ai-cryptography matthew-green anthropic public-key-cryptography

Summary

Matthew Green discusses the historic transition to post-quantum cryptography and the potential for AI to advance cryptanalysis, particularly in the context of Anthropic's recent work.

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Cached at: 07/29/26, 07:55 PM

# A quote from Matthew Green Source: [https://simonwillison.net/2026/Jul/29/matthew-green/](https://simonwillison.net/2026/Jul/29/matthew-green/) 29th July 2026 > Right now we’re in the midst of a historic transition from traditional public\-key algorithms based on EC\-based cryptography and RSA, moving over to new*post\-quantum*algorithms based on novel problems\. This is why there are so many standards like HAWK being considered\. If there was ever a perfect time for a massive new public cryptanalysis capability to come on line,*we’re in it\.*So unless AIs succeed in undermining all of our hard problems altogether \(or we live in[Impagliazzo’s Minicrypt](https://blog.computationalcomplexity.org/2004/06/impagliazzos-five-worlds.html)\) then this could not be a better time for AI to get good at cryptanalysis\. In the best case, the result is that we gain real confidence in the problems we’ve identified, and the cryptanalysis literature gets a lot more robust\. Hopefully\. —[Matthew Green](https://blog.cryptographyengineering.com/2026/07/29/some-notes-about-anthropics-new-results/),on[Anthropic's recent cryptography work](https://simonwillison.net/2026/Jul/28/discovering-cryptographic-weaknesses-with-claude/)

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