Post-quantum certificate binding
US11757659B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2020 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Jan 28, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, a computer program product, and a system for binding post-quantum certificates to traditional certificates. The method includes selecting a traditional certificate in a certificate chain owned by an owner. The method also includes calculating a fingerprint of the traditional certificate. The method further includes generating a post-quantum certificate with identical information fields as the traditional certificate, and populating a serial number of the post-quantum certificate using the fingerprint. The post-quantum certificate acts as an extension of the first traditional certificate providing authentication and validation between a client and a server using post-quantum capable signing algorithms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.