Server apparatus having one-time scan code issuing function, user terminal having one-time scan code recognizing function and method for processing one-time scan code
US9026797B2 · kind B2 · utility
3Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2012 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | May 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3215
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A server apparatus having a one-time scan code issuing function, a user terminal having a one-time scan code recognizing function, and a method for processing a one-time scan code are provided so as to safely and conveniently transmit one-time information used for key-exchange-scheme-based encryption, using a scan code such as a bar code and a QR code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.