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http://dx.doi.org/10.13089/JKIISC.2017.27.2.373

Integrated Authentication Protocol of Financial Sector that Modified OAuth2.0  

Jung, Kyu-Won (Sangmyung University)
Shin, Hye-seong (Sangmyung University)
Park, Jong Hwan (Sangmyung University)
Abstract
Currently, various types of user authentication methods based on public certificates are used in domestic financial transactions. Such an authorized certificate method has a problem that a different security module must be installed every time a user connects an individual financial company to a web server. Also, the financial company relying on this authentication method has a problem that a new security module should be additionally installed for each financial institution whenever a next generation authentication method such as biometric authentication is newly introduced. In order to solve these problems, we propose an integrated authentication system that handles user authentication on behalf of each financial institution in financial transactions, and proposes an integrated authentication protocol that handles secure user authentication between user and financial company web server. The new authentication protocol is a modified version of OAuth2.0 that increases security and efficiency. It is characterized by performing a challenge-response protocol with a pre-shared secret key between the authentication server and the financial company web server. This gives users a convenient and secure Single Sign-On (SSO) effect.
Keywords
Authentication framework; Integrated user authentication; Financial sector; SSO; OAuth2.0;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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