User authentication method and user authentication system
US8140854B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 13, 2003 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Feb 15, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/104
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is a user verification method and a user verification system, in which a password derivation pattern for each user is pre-registered into a verification server, and when a user is to use the system, the verification server generates a presented pattern and presents this to the user, the user inputs a password corresponding to the user's own password derivation pattern for the presented pattern, the verification server performs verification of the inputted password based on the presented pattern and the user's own password derivation pattern that was registered, and a verification result is then notified to the usage target system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.