{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11290263","patent":{"patent_number":"US-11290263","title":"Information processing apparatus and information processing method","assignee":null,"inventors":[],"filing_date":"2018-05-08T00:00:00.000Z","publication_date":"2022-03-29T00:00:00.000Z","cpc_codes":["H04L","G06F","H04L","H04L"],"num_claims":20,"abstract":"Provided is a technology for performing flexible access control to permit decoding of secret information exclusively with a specific user in a case where secret splitting is hierarchically executed. There is provided an information processing apparatus including a control unit that generates, from a first key with which first data is decodable, a plurality of shares based on the first key in response to a first-key generation request, restores the first key from the shares based on the first key in response to a second-key generation request, encrypts, with the first key, a part of a plurality of shares based on a part or all of the first key as a second key with which second data is decodable, and generates a plurality of shares based on the second key."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Information processing apparatus and information processing method","description":"Provided is a technology for performing flexible access control to permit decoding of secret information exclusively with a specific user in a case where secret splitting is hierarchically executed. T","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11290263","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-11290263","citation_suggestion":"Patentable. \"Information processing apparatus and information processing method\" (US-11290263). https://patentable.app/patents/US-11290263","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11290263","json":"https://patentable.app/api/llm-context/US-11290263","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:37:06.632Z"}