Anthropic says Claude helped find new attacks on HAWK and round-reduced AES
Assix0098 · reddit · 2026-07-29
Anthropic researchers say Claude Mythos Preview helped them discover two new cryptographic attacks.
- One attack significantly weakens HAWK, a digital signature scheme designed for the post-quantum era.
- The other finds a new attack path against round-reduced AES, the most widely used symmetric cipher.
The findings are substantial research advances, but Anthropic says they do not affect any production systems today. The post also discusses what stronger AI models could mean for cryptography more broadly.
Related event: Anthropic's Claude Finds Weaknesses in HAWK and Reduced-Round AES(39 posts)→
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