PIN recovery in a smart card
US7461399B2 · kind B2 · utility
233Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jan 18, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2131
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of controlling access to resources on a smart card, the method involving: providing a list of n questions for presentation to the user, where n is an integer; receiving from the user answers to questions among the list of n questions; determining how many of the received answers are correct; and if a sufficient number of the n questions was answered correctly, granting access to the resources on the smart card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.