System and method for securing a personalized indicium assigned to a mobile communications device
US7961883B2 · kind B2 · utility
8Cited by
2References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2004 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jul 1, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/126
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a scheme is provided for securing a personalized indicium assigned to a mobile communications device. Upon detecting at a network node that an address associated with the mobile communications device has changed, a challenge-and-response procedure is negotiated between the mobile communications device and the network node for authenticating the personalized indicium using a shared authentication key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.