{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621519","patent":{"patent_number":"US-9621519","title":"System and method for key exchange based on authentication information","assignee":null,"inventors":[],"filing_date":"2014-12-19T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L"],"num_claims":23,"abstract":"Disclosed are a system and method for exchanging a key based on user authentication information. The system for exchanging a key based on user authentication information includes a terminal configured to generate an ID-based ciphertext corresponding to authentication information of a user of the terminal using a terminal-side random number and a server ID and a server configured to decrypt the ID-based ciphertext that is received from the terminal using a server-side private key corresponding to the server ID to restore the authentication information, authenticate the terminal using the restored authentication information, and generate a server-side session key corresponding to the authenticated terminal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for key exchange based on authentication information","description":"Disclosed are a system and method for exchanging a key based on user authentication information. The system for exchanging a key based on user authentication information includes a terminal configured","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621519","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-9621519","citation_suggestion":"Patentable. \"System and method for key exchange based on authentication information\" (US-9621519). https://patentable.app/patents/US-9621519","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621519","json":"https://patentable.app/api/llm-context/US-9621519","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:48:32.694Z"}