Device authentication and secure channel management for peer-to-peer initiated communications
US9755825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2007 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Jun 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1073
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for providing secure access to a device initiating communications using a peer-to-peer signaling protocol, such as a SIP or H.323. In a device registration phase, the device contacts a secure access server, and authenticates to the secure access server by providing an identification, such as its factory ID. The secure access server then issues a device ID and private key to the authenticated device. A client can then initiate a further communication session and be authenticated by the secure access server. The secure access server returns the device identification and the device's public key to the client. The client and device can then perform a symmetrical key exchange for their current communication session, and can communicate with appropriate encryption. The device's private key can be set to expire after one or more uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.