Challenge-based authentication protocol
US8301897B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 23, 2006 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | May 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3271
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for authenticating a user are disclosed. According to one aspect of the present invention, a method for authenticating a user includes displaying a first representation of a challenge. The challenge is based on a ruleset. The method also includes receiving a first input, determining if the first input furthers a successful completion of the first representation of the challenge, and determining if the first input completes the first representation of the challenge. If it is determined that the first input completes the first representation of the challenge and that the first input furthers the successful completion of the first representation of the challenge, the method further includes positively augmenting a security indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.