Title:
AUTHENTICATION APPARATUS USING VISUAL CRYPTOGRAPHY AND METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/209363
Kind Code:
A2
Abstract:
An authentication server and an authentication method using visual cryptography are disclosed. An authentication method using visual cryptography in a smart terminal comprises the steps of: receiving, from an authentication server, a key image in which a user's individual cryptography generated by the authentication server is separated; requesting a user authentication from the authentication server; after requesting the authentication, receiving, from a camera, an encrypted image shown on a display device; extracting an encrypted area from the received encrypted image; converting the extracted encrypted area into the size and shape of the key image and overlaying the same with the key image pre-stored in the smart terminal; displaying an authentication code appearing in an area where the encrypted area is overlaid with the key image, receiving the authentication code, and transmitting the authentication code to the authentication server; and after transmitting the authentication code, receiving an authentication result from the authentication server, and providing the authentication result to the user.
Inventors:
KIM KWANG (KR)
Application Number:
PCT/KR2016/014647
Publication Date:
December 07, 2017
Filing Date:
December 14, 2016
Export Citation:
Assignee:
TOBESMART CO LTD (KR)
International Classes:
G06F21/36; G06F21/60; H04L9/32
Attorney, Agent or Firm:
YOON, Eui-Seoup (KR)
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