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Cryptanalysis and Improvement of Password Authenticated Key Exchange Scheme between Clients with Different Passwords

  • Jeeyeon Kim
  • Seungjoo Kim
  • Jin Kwak
  • Dongho Won
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3043)

Abstract

In ICICS’02, Byun et al. presented a new client to client password-authenticated key exchange(C2C-PAKE) protocol in a cross-realm setting. In their paper, they argued that their C2C-PAKE protocol is secure against the Denning-Sacco attack of an insider adversary. In this paper, we show that, contrary to their arguments, the C2C-PAKE protocol is vulnerable to the Denning-Sacco attack by an insider adversary. And we also present the modified protocol to solve this problem.

Keywords

Replay Attack Dictionary Attack Perfect Forward Secrecy Malicious Server Middle Attack 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Jeeyeon Kim
    • 1
  • Seungjoo Kim
    • 2
  • Jin Kwak
    • 2
  • Dongho Won
    • 2
  1. 1.KISA (Korea Information Security Agency)SeoulKorea
  2. 2.Sungkyunkwan UniversityKyunggi-DoKorea

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