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Integrated Authentication Protocol of Financial Sector that Modified OAuth2.0
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OAuth2.0을 변형한 금융권 통합인증 프로토콜

논문 기본 정보

Type
Academic journal
Author
Kyu-Won Jung (상명대학교) Hye-seong Shin (상명대학교) Jong Hwan Park (상명대학교)
Journal
Korea Institute Of Information Security And Cryptology Journal of the Korea Institute of Information Security & Cryptology Vol.27 No.2 KCI Accredited Journals
Published
2017.4
Pages
373 - 381 (9page)

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Integrated Authentication Protocol of Financial Sector that Modified OAuth2.0
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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.
#Authentication framework #Integrated user authentication #Financial sector #SSO #OAuth2.0

Contents

요약
ABSTRACT
I. 서론
II. SSO 프로토콜의 사전지식
III. 제안하는 SSO 프로토콜
IV. 제안된 SSO 프로토콜과 기존 방식 비교
V. 결론
References

References (13)

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Jeong Gi Seog, “A Study on Measures for Improving Obligatory Use of Digital Certificate for Electronic Financial Transactions”, Journal of Information and Security, Korea Information Assurance Society, Vol. 13, No. 6, pp.25-33, Dec. 2013 D. Hardt, “The OAuth2.0 Authorization Framework”, Internet Engineering Task Force(IETF) RFC 6749, 2012, https://tools.ietf.org/html/rfc6749#page-37 T. Lodderstedt, Ed. Deutsche Telekom AG, M. McGloin, IBM, P. Hunt, Oracle Corp., “OAuth2.0 Threat Model and Security Considerations”, Internet Engineering Task Force (IETF) RFC 6819, Jan 2013, https://tools.ietf.org/html/rfc6819 Jun-Kyo Jung, Yong-Min Kim, “Secure Access Token Model of Open Banking Platform using Hash Chain”, The Korean Society of Computer And Information, Vol. 24, No.2, pp. 277-280, Jul. 2016 Hyung-Soo Park, Ki-Hyung Kim, “Enhanced OAuth Authentication with Security Code“, Ajou University Graduate school, Dec. 2016

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