Signature verification system, verification key management apparatus, verification key management method and program
US12095927B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2019 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Apr 14, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A signature verification system includes a signature generation server, a signature verification server, and a verification key management server that are connected to one another via a communication network. The signature generation server includes: reporting means for, when a signing key and a verification key are generated by a publisher, reporting the verification key and publisher identification information that identifies the publisher to the verification key management server; and signature generation means for signing a bid request issued by the publisher with use of the signing key. The verification key management server includes: registration means for registering the publisher identification information and the verification key that were reported by the reporting means in a storage unit in association with information that enables specifying a version of the verification key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.