{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8533459","patent":{"patent_number":"US-8533459","title":"Method and apparatus for protecting the transfer of data","assignee":null,"inventors":[],"filing_date":"2010-05-28T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"According to one embodiment, a conditional access (CA) control system comprises circuitry that is adapted to: (i) transmit information including a unique identifier assigned to a digital device and mating key generator values to the remote source, (ii) receive a mating key from the remote source, the mating key being based on the transmitted unique identifier and mating key generator values, the mating key being used to encrypt data used for scrambling either additional key information or program data prior to transmission to the digital device, and (iii) transmit the mating key generator values and the encrypted data to the digital device, the mating key generator values are used to regenerate the mating key in the digital device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for protecting the transfer of data","description":"According to one embodiment, a conditional access (CA) control system comprises circuitry that is adapted to: (i) transmit information including a unique identifier assigned to a digital device and ma","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8533459","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-8533459","citation_suggestion":"Patentable. \"Method and apparatus for protecting the transfer of data\" (US-8533459). https://patentable.app/patents/US-8533459","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8533459","json":"https://patentable.app/api/llm-context/US-8533459","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:23:45.450Z"}