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anthropic

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Claude discovered vulnerabilities in the encryption algorithm, posing a theoretical threat to post-quantum security

Anthropic announced that the Claude Mythos Preview model has made breakthroughs in cryptographic research, discovering improved attack methods against the post-quantum digital signature candidate HAWK. HAWK is a post-quantum signature candidate solicited by NIST to combat quantum computer attacks, which has already passed two rounds of expert review. However, Claude reduced the effective key strength of HAWK-256 from 2^64 to 2^38 in just 60 hours, significantly lowering the theoretical cost of cracking. HAWK has not yet been deployed in practice, and this attack currently does not affect any production systems.Claude also discovered an improved attack against 7-round AES, achieving a speed increase of 200 to 800 times. During the research process, Claude independently completed literature reviews, mathematical reasoning, and experimental validation with limited guidance from cryptographers. The HAWK attack took about 60 hours and had an API cost of approximately $100,000; the AES attack was completed independently by Claude, which generated about 1 billion tokens before proposing core innovative ideas. Anthropic researchers then spent hundreds of hours validating the results. Anthropic stated that AI models can now help identify significant flaws in cryptographic algorithms, and the cryptography community may face bottlenecks similar to those in the software vulnerability field—AI-generated research results far exceed human verification capabilities. Anthropic has collaborated with academic institutions to launch the CryptanalysisBench benchmark and coordinated disclosures with NIST authors and government partners. The research team has achieved preliminary results on algorithms such as LEA and Serpent-128. Anthropic warns that as AI capabilities improve, actual attacks against deployed systems may be discovered in the future, necessitating the establishment of response mechanisms in advance.

hot_img Anthropic donates another $20 million, doubling AI policy lobbying funds

Artificial intelligence company Anthropic announced on Wednesday that it will make an additional donation of $20 million to the bipartisan advocacy organization Public First Action, bringing its total commitment to $40 million. Anthropic stated that the decision for the additional donation stems from the continuous enhancement of AI model capabilities (including its self-developed Mythos model) and the potential risks it brings.Public First Action is a 501(c)(4) nonprofit organization dedicated to public education on AI transparency and safety. The organization is associated with three super political action committees (super PACs) and plans to support candidates advocating for AI safety across both parties. Anthropic emphasized that the donations are solely for supporting Public First Action's policy mission and cannot be used to influence the election of specific candidates.In a statement, Anthropic noted that AI policy decisions will impact various aspects of public life, including the labor market and national security, and the company hopes to promote "flexible regulation" to manage risks while reaping the benefits of AI. Currently, the super PAC "Leading the Future," which advocates for rapid AI development and light regulation, has received significant funding from supporters including OpenAI co-founder Greg Brockman and venture capital firm a16z. As AI increasingly becomes a topic in elections, public education and lobbying efforts by advocacy groups are continuing to ramp up.
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