Anthropic’s Claude found a missed structural weakness in HAWK after two years of review

ccerrato147 · x · 2026-07-29

The thread clarifies that the Anthropic result matters even though it does not amount to “AI broke post-quantum encryption.”

According to the author, Claude found a structural weakness that expert reviewers had missed for two years. HAWK’s larger parameter settings are still impractical to attack, but they appear weaker than originally estimated and may need much larger keys, hurting the scheme’s efficiency case.

Related event: Anthropic's Claude Mythos Uncovers Flaws in Post-Quantum Crypto and AES(30 posts)→

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