System and method for authenticating user using contact list
US10142313B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2016 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Aug 11, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/306
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A user authentication system and method uses a contact list that may receive contact list information stored in an electronic device from the electronic device over a network. The system is further configured to store, in a database, and manage first contact list information received from a first electronic device of a user through the reception controller in association with an identifier of the user, compare second contact list information received from the first electronic device or a second electronic device to the first contact list information stored in the database in association with the identifier of the user, in response to a service request from the first electronic device or the second electronic device based on the identifier of the user; and determine whether to authenticate the user in response to the service request from the first electronic device or the second electronic device based on the comparison result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.