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An improved client-to-client password-based authenticated key agreement scheme

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5 Author(s)
Tsaur, M.-J. ; Grad. Inst. of Appl. Sci. & Eng., Fu Jen Catholic Univ., Taipei, Taiwan ; Jenn-Wei Lin ; Wei-Chi Ku ; Yu-Ze Shen
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Recently, Chang, Yang, and Hwang presented a client-to-client password-based authenticated key agreement scheme, which contains a protected password change protocol to allow two parties to arbitrarily change their passwords. However, their protected password change protocol is found to be vulnerable to a denial-of-service attack. In addition, we also find that their protected password change protocol is not easily reparable. In this paper, we propose an improved protected password change protocol that can resist the denial-of-service attack and can be repaired easily.

Published in:

Computer Engineering and Technology (ICCET), 2010 2nd International Conference on  (Volume:2 )

Date of Conference:

16-18 April 2010