USER AUTHENTICATION METHOD HAVING STRENGTHENED INTEGRITY AND SECURITY

Title:

USER AUTHENTICATION METHOD HAVING STRENGTHENED INTEGRITY AND SECURITY

Document Type and Number:

WIPO Patent Application WO/2017/188497

Kind Code:

A1

Abstract:

The present invention relates to a user authentication method having strengthened integrity and security, the user authentication method according to the present invention comprising: a first step for, when a user registration process begins, a user terminal generating a first common authentication key by executing a primary transformation, and providing the first common authentication key, encrypted by executing a secondary transformation, to an authentication server, and the authentication server registering the encrypted first common authentication key; a second step for the authentication server generating a first server authentication key, and generating a first server authentication data by means of an OTP arithmetic operation on the first server authentication key; a third step for, when an authentication process begins, the user terminal generating a second common authentication key by executing a primary transformation, and then generating an encrypted second common authentication key by executing a secondary transformation, and generating a first user authentication key and generating a first user authentication data by means of an OTP arithmetic operation on the first user authentication key; and a fourth step for authenticating a user in accordance with whether the first server authentication data and first user authentication data match, or for authenticating the authentication server by determining the authenticity of the authentication server.

Inventors:

YOO CHANG HUN (KR)
HEO UN YEONG (KR)
KIM MIN GYU (KR)
SEO WOO YONG (KR)

Application Number:

PCT/KR2016/005008

Publication Date:

November 02, 2017

Filing Date:

May 12, 2016

Export Citation:

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Assignee:

SSENSTONE INC (KR)

International Classes:

H04L9/32; G06F21/31; H04L9/08

Foreign References:

KR101558557B1	2015-10-13
KR101571126B1	2015-11-23
KR101172234B1	2012-08-07
JP3697212B2	2005-09-21
KR101583698B1	2016-01-08

Attorney, Agent or Firm:

YOO, Cheol Hyun et al. (KR)

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