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http://dx.doi.org/10.6109/JKIICE.2009.13.12.2563

Enhanced Diffie-Hellman Key Distribution using Mobile-phone  

Lee, Yoon-Jin (배재대학교 컴퓨터공학과)
Lee, Jae-Guen (배재대학교 컴퓨터공학과)
Jo, In-June (배재대학교 컴퓨터공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.13, no.12, 2009 , pp. 2563-2568 More about this Journal
Abstract
Although a symmetric cryptographic system has many advantages in speed of encryption decryption, the security problems with the distribution method of secret keys have been still raised. Especially, the distribution method of secret keys for unspecified individuals who want secret communication is becoming a core issue. As a simple solution to this issue, Diffie-Hellman key exchange methods were proposed, but proved to be insufficient in depending MITM(Main In The Middle) attacks. To find effective solution to problems mentioned above, this paper proposes the strengthened Diffie-Hellman key exchange methods applied for the mobile-phone channel which are widely used. This paper emphasizes the way to distribute the synthesized session keys to the sender and the receiver, which are created with authentication numbers exchanged between the mobile-phones and Diffie-Hellman key. Using proposed ways, MITMattacks can be effectively defended.
Keywords
key exchange; symmetric cryptographic system; Diffie-Hellman key; authentication numbers;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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