Cryptographer: Claude nudged AES attacks by 10 bits, still far from practical
matthew_d_green · x · 2026-10-09
In a debate with cryptographer Stefano Tessaro, Matthew Green notes we've seen purported 10-bit improvements in AES attacks produced by Claude with prompts like "go break something dude!" But he argues this is irrelevant to the public-key crypto debate: the best AES attacks started far from practicality, so a small bit improvement means little. The exchange is about how to judge AI-assisted cryptanalysis—by distance to practical break, not raw numbers.
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