Apparatus and method of binding a removable module to an access terminal
US8887258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2012 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Dec 7, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The described apparatus and methods may include a processor, a memory in communication with the processor, a removable module in communication with the processor and operable to store data, an initialization component executable by the processor and configured to initialize the removable module, and an authentication component executable by the processor and configured to: receive a command from the removable module to perform an authentication operation, wherein the command is a standard message having a command qualifier value or code that represents an authentication challenge; obtain a random value from the removable module in response to the command; calculate a response based on the random value and a terminal key stored in the memory; and transmit the response to the removable module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.