Patent · US Active

Image based key derivation function

US9769156B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Visa International Service Association · US

Inventors

Selim Aissi · Menlo Park, US
Taeho Kgil · Beaverton, US
Ajit Gaddam · Sunnyvale, US

Key dates

Filing date	Nov 22, 2016
Grant date	Sep 19, 2017
Priority date	—
Expiry date	Nov 22, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2463/062
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Embodiments of the invention relate to methods of generating and using an image-based derived key. In various embodiments, the image-based derived key may be used to facilitate user authentication and data encryption. For some embodiments, a method is disclosed comprising determining an image-based derived key, wherein the image-based derived key is generated from a selection of authentication images chosen by a user, encrypting data using the image-based derived key, and transmitting the encrypted data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.