Matthew Green Warns AI Could Outpace Preparation for Cryptographic Breakthroughs
导读
A Simon Willison blog post dated October 9, 2026, quotes cryptographer Matthew Green raising worst-case possibilities about AI and public-key cryptography. Green assigns a 1% chance to “Minicrypt,” a hypothetical world in which public-key encryption is impossible, and a 15% chance that confidence in existing public-key algorithms is functionally lost. He argues that AI may produce disruptive surprises faster than people can replace standards, even with AI assistance, and says preparation needs to happen in advance. The post provides no supporting analysis or evidence for these probability estimates and reports no cryptographic break or standards change; it presents Green’s warning as a quoted opinion.
正文
9th October 2026
Everyone is very concerned about being respectable, so I’m going to be the goofball who raises worst-case possibilities. I think there is a 1% chance we live in Minicrypt, and a 15% chance we functionally lose confidence in our existing public-key encryption algorithms. [...] The problem here is that the speed of AI producing surprises, and the speed of human beings replacing standards (even with the very best AI assistance) are just orders of magnitude different. You only recover from a surprise like this if you do the preparation in advance.
— Matthew Green, on Twitter. I looked it up and Minicrypt is Russell Impagliazzo’s hypothetical world in which public-key encryption is impossible.
Source: ·Simon Willison · 2026-10-09T15:02:29.000Z · Read the original article
推荐理由
The post highlights a relevant AI-security concern and specific risk estimates, but offers no evidence that encryption has been broken or that standards are changing.
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- gpt-6-luna-2026-09-22 · 36
The post highlights a relevant AI-security concern and specific risk estimates, but offers no evidence that encryption has been broken or that standards are changing.
- deepseek-flash · 38
Opinion quote from a cryptographer, relayed with only a glossary note; no data, method, or independent verification, so the real increment is a timely risk framing rather than new evidence.
分析时间：2026.10.09 15:44 UTC
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