Anthropic Discloses Practical Key Recovery Vulnerability in HAWK-256
anthropic
| Source: HN | Original article
Anthropic reveals key-recovery attack on HAWK-256. The attack compromises the security of the encryption method.
Anthropic has published a practical key-recovery attack on HAWK-256, a post-quantum digital signature candidate under active NIST evaluation. This breakthrough was achieved by Anthropic's Claude Mythos Preview model, which found the attack largely on its own in roughly 60 hours for approximately $100,000 in compute. The discovery is significant as it demonstrates a vulnerability in the HAWK-256 algorithm, which could have implications for the development of post-quantum cryptography.
The attack's success matters because HAWK-256 is a candidate for future cryptographic standards, and this weakness could impact its potential adoption. However, it's worth noting that HAWK-256 is not currently deployed in any software, so no immediate changes are required. The research artifact, including specialized cryptanalysis code, has been made available on GitHub, providing valuable insights for the cryptographic community.
As the cryptographic community reviews and responds to this discovery, it will be important to watch for any updates from NIST regarding the status of HAWK-256 as a candidate for post-quantum cryptographic standards. Additionally, Anthropic's use of AI to discover cryptographic weaknesses, as seen with Claude Mythos Preview, may lead to further breakthroughs in the field, highlighting the potential for AI to play a significant role in cryptographic research.
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