{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11296897","patent":{"patent_number":"US-11296897","title":"Composite security marking and methods and apparatuses for providing and reading same","assignee":null,"inventors":[],"filing_date":"2018-06-29T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["H04L","G06K","G06V","G16H","H04L","H04L","H04L"],"num_claims":20,"abstract":"In one embodiment, the invention is directed to a method of reading a marking, comprising a stimulation step, wherein a physical challenge according to a predetermined challenge-response authentication scheme corresponding to the PUF is created and applied to a PUF; a detection step, wherein a response generated by the PUF in accordance with the challenge-response authentication scheme in reaction to the challenge is detected and a digital signal representing the response is generated; a processing step, wherein the digital signal is processed in order to generate a hash value of the response by application of a predetermined cryptographic hash function to the digital signal; and an output step, wherein data representing the generated hash value as a first reading result is output."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Composite security marking and methods and apparatuses for providing and reading same","description":"In one embodiment, the invention is directed to a method of reading a marking, comprising a stimulation step, wherein a physical challenge according to a predetermined challenge-response authenticatio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11296897","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-11296897","citation_suggestion":"Patentable. \"Composite security marking and methods and apparatuses for providing and reading same\" (US-11296897). https://patentable.app/patents/US-11296897","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11296897","json":"https://patentable.app/api/llm-context/US-11296897","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:16:13.296Z"}