Method and system for integrating security mechanisms into session initiation protocol request messages for client-proxy authentication
US7243370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2002 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Aug 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0869
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system is provided to integrate the Kerberos security mechanism into the message flow of the signaling operation under the Session Initiation Protocol to allow a SIP client and a SIP proxy to authenticate each other. When the SIP proxy receives an request message, such an INVITE request, from the SIP client, it responds with a challenge message indicating that authentication based on Kerberos is required. In response, the SIP client sends a second request message with a proxy authorization header containing authentication data, including a Kerberos server ticket for the Proxy, to allow the proxy to authenticate the client's user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.