{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11240008","patent":{"patent_number":"US-11240008","title":"Key management method, security chip, service server and information system","assignee":null,"inventors":[],"filing_date":"2021-04-30T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"A key management method includes: sending, by a security chip of a computer device, a request for obtaining a service key to a key management service; receiving, by the security chip, a service key ciphertext from the key management service, wherein the service key ciphertext is obtained by encrypting the service key by the key management service based on a migration key of the security chip; decrypting, by the security chip, the service key ciphertext based on the migration key to obtain the service key; storing, by the security chip, the service key in the security chip; and providing, by the security chip, the service key to an application program of the computer device when the application program needs to encrypt data based on the service key."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Key management method, security chip, service server and information system","description":"A key management method includes: sending, by a security chip of a computer device, a request for obtaining a service key to a key management service; receiving, by the security chip, a service key ci","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11240008","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-11240008","citation_suggestion":"Patentable. \"Key management method, security chip, service server and information system\" (US-11240008). https://patentable.app/patents/US-11240008","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11240008","json":"https://patentable.app/api/llm-context/US-11240008","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:15:31.076Z"}