{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9819494","patent":{"patent_number":"US-9819494","title":"Digital signature service system based on hash function and method thereof","assignee":null,"inventors":[],"filing_date":"2015-11-16T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":10,"abstract":"Disclosed is a digital signature service system and method based on a hash function in which a main agent, who requires the generation of a digital signature, does not personally generate the digital signature, and wherein digital signatures may be simultaneously and stably generated for large-scale data such as multiple electronic documents and digital data using a hash function and a hash tree, which are known as a simple and secure method, to guarantee the integrity of the data in a digital signature-based structure based on a server."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital signature service system based on hash function and method thereof","description":"Disclosed is a digital signature service system and method based on a hash function in which a main agent, who requires the generation of a digital signature, does not personally generate the digital ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9819494","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-9819494","citation_suggestion":"Patentable. \"Digital signature service system based on hash function and method thereof\" (US-9819494). https://patentable.app/patents/US-9819494","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9819494","json":"https://patentable.app/api/llm-context/US-9819494","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:19:01.083Z"}