Anthropic's Claude Mythos Preview AI has demonstrated significant cryptographic analysis capabilities by successfully deriving a key-recovery attack against the post-quantum HAWK-256 signature scheme and accelerating attacks on seven-round AES-128 by 200-800x. The HAWK attack leverages previously unexploited lattice symmetries and can execute in approximately 3 hours 42 minutes on a 96-core server
Anthropic says Claude Mythos Preview helped derive an end-to-end key-recovery attack against HAWK-256 and a 200- to 800-fold speedup for an attack on seven-round AES-128. The HAWK attack exploits a previously unused symmetry in the lattice behind the signature scheme. Anthropic's released implementation gives an expected end-to-end runtime of about three hours and 42 minutes on a 96-core server
Originally published at thehackernews.com
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