Method and system for providing updated encryption key pairs and digital signature key pairs in a public key system
US6978017B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1997 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Oct 14, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0894
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An adaptable cryptographic method and system provides updated digital signature key pairs in a public key system by providing, through a multi-client manager unit, selectable expiry data such as digital signature certificate lifetime data, public key expiry data and private key expiry data as selectable on a per client basis. The multi-client manager unit stores selected public key expiry data and private key expiry data for association with a new digital signature key pair and associates the stored selected expiry data with the new digital signature key pair to facilitate a transition from an old digital signature key pair to a new digital signature key pair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.