Bootstrapping method for setting up a security association
US8667151B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2007 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | May 28, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method of the invention has the steps of: (A) establishing an access-layer security association (SA) between a mobile node (MN) and an authentication authorization accounting (AAA) server; (B) deriving a secondary key from an extended master session key (EMSK) corresponding to the access-layer SA; (C) providing the secondary key to a home agent; and (D) based on the secondary key, establishing an SA corresponding to an Open System Interconnection (OSI) layer higher than the access layer for securing communications between the home agent and a selected network node. In various embodiments, the selected network node can be (i) the MN, (ii) a proxy node configured on behalf of the MN, or (iii) a proxy node configured on behalf of the home agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.