{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8484471","patent":{"patent_number":"US-8484471","title":"Multi-party distributed multiplication device, multi-party distributed multiplication system and method","assignee":null,"inventors":[],"filing_date":"2009-10-07T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":11,"abstract":"A multi-party variance multiplication device includes: an initial setting device which generates a first public key by using an inputted system parameter; a commitment generation device which generates a commitment of a first input value based on the system parameter and a random number; an encryption device which generates an encrypted text of the first input value based on the system parameter, the random number, and the first public key; an authentication device which generates a certificate that authenticates a range of the first input value based on the system parameter, the random number, the first public key, and the second public key already public; a decryption device which generates a decrypted text by decrypting a noisy encrypted text based on the system parameter, the first public key, and a private key; and a noise removal device which generates a product variance by removing a noise from the decrypted text."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-party distributed multiplication device, multi-party distributed multiplication system and method","description":"A multi-party variance multiplication device includes: an initial setting device which generates a first public key by using an inputted system parameter; a commitment generation device which generate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8484471","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-8484471","citation_suggestion":"Patentable. \"Multi-party distributed multiplication device, multi-party distributed multiplication system and method\" (US-8484471). https://patentable.app/patents/US-8484471","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8484471","json":"https://patentable.app/api/llm-context/US-8484471","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:13:02.560Z"}