Patent · US Active

Wireless device authentication and security key management

US8738907B2 · kind B2 · utility

2Cited by
5References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 2, 2007
Grant dateMay 27, 2014
Priority date
Expiry dateFeb 26, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W12/63
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method and wireless device for updating at least one cryptographic security key (116) associated with a wireless device (104) and an authentication module (108). An over-the-air programming message comprising security key update information is received (804) from an information processing system (118). The security key update information is processed (808). At least one new security key is extracted from the security key update information in response to the processing (806). At least one existing security key (116) is updated with the at least one new security key (124) that has been extracted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.