{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11277272","patent":{"patent_number":"US-11277272","title":"Integrated circuit and method for challenge-response physically unclonable function","assignee":null,"inventors":[],"filing_date":"2019-09-11T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L"],"num_claims":18,"abstract":"Systems and methods are described based on an integrated circuit that performs a challenge-response physically unclonable function (PUF). The PUF is used for challenge-response authentication. The integrated circuit includes a PUP block configured to output an n-bit internal response corresponding to a challenge that requests a response where n is an integer greater than 1 and a response generator configured to calculate a Hamming weight of the internal response and output the response by comparing the Hamming weight with at least one reference."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Integrated circuit and method for challenge-response physically unclonable function","description":"Systems and methods are described based on an integrated circuit that performs a challenge-response physically unclonable function (PUF). The PUF is used for challenge-response authentication. The int","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11277272","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11277272","citation_suggestion":"Patentable. \"Integrated circuit and method for challenge-response physically unclonable function\" (US-11277272). https://patentable.app/patents/US-11277272","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11277272","json":"https://patentable.app/api/llm-context/US-11277272","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:58:50.820Z"}