Method for making secure a session with data processing means under the control of several entities
US7434049B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2001 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Aug 4, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for securing the execution of a session with a data processor, such as a smart card, under the control of at least two entities, such as servers. Session numbers and session keys are transmitted to the entities. The session number and key are applied to an algorithm in the data processor and the respective entity to produce a result and signature. The results and the signatures are transmitted to the data processor. A session corresponding to the results from the data processor is executed when the signatures are identical to the results. In another embodiment, one of the entities receives a delegation of a third entity to authorize execution of the session.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.