Authentication method, authentication device and computer-readable medium storing instructions for authentication processing capable of ensuring security and usability
US8683577B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2010 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Jul 14, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/36
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An authentication method in a system having a display and a storage device is provided. The authentication method includes the steps of registering an object selected for each user from among a plurality of visually distinguishable objects prepared in advance as a key object in the storage device; and presenting the plurality of objects to the display, accepting selection of an object by a user to be authenticated, and performing authentication based on matching/mismatching of the selected object with the key object registered in association with the user. The step of registering includes a step of determining a degree of freedom of selection of the object at the time of registration of the key object according to a degree of overlapping of the key object already registered in the storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.