{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9641340","patent":{"patent_number":"US-9641340","title":"Certificateless multi-proxy signature method and apparatus","assignee":null,"inventors":[],"filing_date":"2015-08-20T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":14,"abstract":"A certificateless multi-proxy signature method and apparatus, where the method may include computing, by a proxy signature device, a public key and a private key of the proxy signature device according to a public parameter, where the public key is corresponding to the private key, acquiring a verification result of a standard signature and determining, according to the verification result, whether the standard signature is valid, computing a partial proxy signature of the proxy signature device according to the private key if the verification result is used to represent that the standard signature is valid, and sending the partial proxy signature to a proxy signature device administrator, so that after the proxy signature device administrator obtains a multi-proxy signature through computation according to the partial proxy signature, a multi-proxy signature verification device verifies the multi-proxy signature."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Certificateless multi-proxy signature method and apparatus","description":"A certificateless multi-proxy signature method and apparatus, where the method may include computing, by a proxy signature device, a public key and a private key of the proxy signature device accordin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9641340","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-9641340","citation_suggestion":"Patentable. \"Certificateless multi-proxy signature method and apparatus\" (US-9641340). https://patentable.app/patents/US-9641340","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9641340","json":"https://patentable.app/api/llm-context/US-9641340","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:21:07.683Z"}