Cheol-Joo Chae, Kwang-Nam Choi, Kiseok Choi, Yong-Hee Yae, YounJu Shin, Journal of Internet Computing and Services, Vol. 16, No. 1, pp. 21-28, Feb. 2015
10.7472/jksii.2015.16.1.21, Full Text:
Keywords: OAuth Protocol, Authorization, authentication, Access Token, E-mail Authentication

Abstract

Currently there are wide variety of web services and applications available for users. Such services restrict access to only authorized users, and therefore its users often need to go through the inconvenience of getting an authentication from each service every time. To resolve of such inconvenience, a third party application with OAuth(Open Authorization) protocol that can provide restricted access to different web services has appeared. OAuth protocol provides applicable and flexible services to its users, but is exposed to reply attack, phishing attack, impersonation attack. Therefore we propose method that after authentication Access Token can be issued by using the E-mail authentication. In proposed method, regular user authentication success rate is high when value is 5 minutes. However, in the case of the attacker, the probability which can be gotten certificated is not more than the user contrast 0.3% within 5 minutes.

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