{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9608812","patent":{"patent_number":"US-9608812","title":"Common secret key generation device, encryption device, decryption device, common secret key generation method, encryption method, decryption method, and program","assignee":null,"inventors":[],"filing_date":"2013-07-04T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L"],"num_claims":8,"abstract":"Public data including a prime number p, a natural number d, a matrix Q, and a matrix S are acquired by a public data acquisition section, and secret key including natural numbers nA, kA is generated by a shared secret key generation section. A matrix MA (MA=S−kAQnASkA) is calculated by a non-commutative matrix generation section and transmitted to a communication party, and a matrix MB (MB=S−kBQnBSkB) is acquired from the communication party. A matrix MAB (MAB=S−kAMBnASkA) is computed as a common secret key by a shared secret key computation section. An encryption/decryption device is thereby capable of rapid generation of the secure common secret key."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Common secret key generation device, encryption device, decryption device, common secret key generation method, encryption method, decryption method, and program","description":"Public data including a prime number p, a natural number d, a matrix Q, and a matrix S are acquired by a public data acquisition section, and secret key including natural numbers nA, kA is generated b","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9608812","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-9608812","citation_suggestion":"Patentable. \"Common secret key generation device, encryption device, decryption device, common secret key generation method, encryption method, decryption method, and program\" (US-9608812). https://patentable.app/patents/US-9608812","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9608812","json":"https://patentable.app/api/llm-context/US-9608812","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:01:38.070Z"}