{"id":241747,"date":"2026-07-29T00:12:54","date_gmt":"2026-07-29T05:12:54","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/claude-ai-just-cracked-a-postquantum-test-scheme-and-found-a-faster-7round-aes-attack"},"modified":"2026-07-29T00:12:54","modified_gmt":"2026-07-29T05:12:54","slug":"claude-ai-just-cracked-a-postquantum-test-scheme-and-found-a-faster-7round-aes-attack","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/claude-ai-just-cracked-a-postquantum-test-scheme-and-found-a-faster-7round-aes-attack","title":{"rendered":"Claude AI Just Cracked a PostQuantum Test Scheme and Found a Faster 7Round AES Attack"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/claude-ai-just-cracked-a-postquantum-test-scheme-and-found-a-faster-7round-aes-attack2.jpg\"><\/a><\/p>\n<p>Anthropic says <strong><a href=\"https:\/\/thehackernews.com\/2026\/04\/anthropics-claude-mythos-finds.html\" target=\"_blank\">Claude Mythos Preview<\/a><\/strong> 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.<\/p>\n<p>The HAWK attack exploits a previously unused symmetry in the lattice behind the signature scheme. Anthropic\u2019s released implementation gives an expected end-to-end runtime of about three hours and 42 minutes on a 96-core server. The AES result removes a 256-way guessing step from an existing meet-in-the-middle attack.<\/p>\n<p>Anthropic said neither result affects production systems. HAWK remains a candidate in a National Institute of Standards and Technology (NIST) post-quantum standardization process, and the public recovery code only targets the smaller HAWK-256 parameter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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\u2019s released implementation gives an expected end-to-end runtime of about three hours and 42 minutes on [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617,6],"tags":[],"class_list":["post-241747","post","type-post","status-publish","format-standard","hentry","category-quantum-physics","category-robotics-ai"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=241747"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241747\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=241747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=241747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=241747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}