Cryptographer Matthew Green: AI step-changes could invalidate cryptanalysis assumptions

matthew_d_green · x · 2026-10-09

Cryptographer Matthew Green argues that non-classified human cryptanalysis is effectively done by a couple dozen top people, and we assume that's the best achievable. But if we tentatively trust that progress has stalled and a new internal model makes another step-change jump, our trust in these assumptions could collapse at any security level except painfully high ones.

Related event: Cryptographer Matthew Green warns AI could break public-key encryption(12 posts)→

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