{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11995211","patent":{"patent_number":"US-11995211","title":"Secure authentication method and secure authentication system","assignee":null,"inventors":[],"filing_date":"2021-12-09T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","H04L","H04L","G06F","H04L","H04L"],"num_claims":17,"abstract":"A secure authentication method includes: deriving a distributed LSH value using secret LSH, taking a first distributed feature amount which is a feature amount of user information distributed through a secret distribution method and encrypted LSH parameters as inputs; deriving a distributed hash value using a secret unidirectional function, taking the distributed LSH value and a distributed key as inputs; decoding the hash value by reversing distribution of the distributed hash value; selecting, from a secret hash table storing sets of a hash value as an index and a distributed feature amount as a data string, a set including a hash value matching the decoded hash value; computing, in secret, similarity between the distributed feature amount in the set and the first distributed feature amount; deriving, in secret, a user authentication result based on the similarity computed; and outputting the derived authentication result."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Secure authentication method and secure authentication system","description":"A secure authentication method includes: deriving a distributed LSH value using secret LSH, taking a first distributed feature amount which is a feature amount of user information distributed through ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11995211","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-11995211","citation_suggestion":"Patentable. \"Secure authentication method and secure authentication system\" (US-11995211). https://patentable.app/patents/US-11995211","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11995211","json":"https://patentable.app/api/llm-context/US-11995211","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:16:44.918Z"}