Measuring LLMs’ Ability to Perform Cryptanalysis

Source: Schneier.com· Bruce Schneier· July 29, 2026

There’s new benchmark measuring AI’s ability to perform mathematical cryptanalysis. Anthropic’s frontier model actually found new attacks. The benchmark: “CryptanalysisBench: Can LLMs do Cryptanalysis?” The idea is to benchmark the ability of LLMs to discover…

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