User authentication
US8843755B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2009 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Dec 22, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus lets a user to determine a pool of images and then forms from the pool of images a set of images for user authentication and divides the set of images into two mutually exclusive subsets: a key image subset comprising images referred to as key images and a decoy image subset comprising images referred to as decoy images. The apparatus displays the key images to the user to teach the key images to the user. Then, to authenticate the user, the apparatus produces an assortment of decoy images and key images, and displays the assortment to the user. The apparatus receives from the user identification of images held as key images and verifies whether the identification of key images matched with the key images selected by the processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.