System and method for securing a personalized indicium assigned to a mobile communications device
US8400970B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2011 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/126
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method operable on a mobile communications device is disclosed, the method comprising generating an authentication key for securing a personalized indicium assigned to the mobile communications device, wherein the personalized indicium comprises a Personal Information Number (PIN) that is mapped to at least one identifier associated with the mobile communications device; transmitting a registration request to a network node operable with a wireless network, the registration request having a registration request payload including the authentication key; receiving a challenge message from the network node, the challenge message generated when the network node detects a change of the IP address associated with the mobile communications device, and responsive to receiving the challenge message, executing a challenge response including an authentication value of a challenge string transmitted in the challenge message, wherein the authentication value is created using the authentication key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.