{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8503676","patent":{"patent_number":"US-8503676","title":"Subscriber authentication","assignee":null,"inventors":[],"filing_date":"2002-09-27T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W"],"num_claims":28,"abstract":"To provide reliable and customized authentication, a parameter to be used in authentication is defined for the operator. A secret which may be stored e.g. in a subscriber identity module is calculated from the operator parameter and a subscriber key. An authentication response is calculated from the secret and the challenge to be used in authentication with a one-way function."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Subscriber authentication","description":"To provide reliable and customized authentication, a parameter to be used in authentication is defined for the operator. A secret which may be stored e.g. in a subscriber identity module is calculated","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8503676","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-8503676","citation_suggestion":"Patentable. \"Subscriber authentication\" (US-8503676). https://patentable.app/patents/US-8503676","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8503676","json":"https://patentable.app/api/llm-context/US-8503676","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:44:53.777Z"}