{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11985238","patent":{"patent_number":"US-11985238","title":"Vehicle-mounted device upgrade method and related device","assignee":null,"inventors":[],"filing_date":"2020-10-30T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G06F","H04L","G06F","H04L","H04L","H04L","H04L","H04L","H04L","G06F","H04L","H04L"],"num_claims":18,"abstract":"Embodiments disclose a vehicle-mounted device upgrade method and a related device. The method may be applied to an intelligent vehicle, the intelligent vehicle includes a vehicle-mounted control device, and the method may include: receiving, by the vehicle-mounted control device, a first partial key sent by the communications device; restoring, by the vehicle-mounted control device, a first key by using the first partial key and a second partial key that is stored on the vehicle-mounted control device; and performing, by the vehicle-mounted control device, secure processing on a first upgrade file by using the first key, to obtain the securely processed first upgrade file, where the secure processing includes generating first message authentication code (MAC), and the securely processed first upgrade file includes the first upgrade file and the first MAC. According to this application, the vehicle-mounted device can be securely and efficiently upgraded."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Vehicle-mounted device upgrade method and related device","description":"Embodiments disclose a vehicle-mounted device upgrade method and a related device. The method may be applied to an intelligent vehicle, the intelligent vehicle includes a vehicle-mounted control devic","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11985238","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-11985238","citation_suggestion":"Patentable. \"Vehicle-mounted device upgrade method and related device\" (US-11985238). https://patentable.app/patents/US-11985238","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11985238","json":"https://patentable.app/api/llm-context/US-11985238","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T17:21:33.291Z"}