Method and system for authentication when certification authority public and private keys expire
US7930415B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2008 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | May 15, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for enabling the use of valid authentication certificates when the public key and private keys of any of the certifying authority have expired. The enabling by the system includes obtaining a server certifying authority chain (SCAC) certificate by the server from the certifying authority, presenting the original valid authentication certificate along with the said server certifying authority chain certificate by the server to the browser during the SSL handshake, accepting the transaction by the browser after verification of the original authentication certificate using the expired public key of the certifying authority, and verifying the said SCAC certificate using the new public key of the said certifying authority.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.