Paper 2008/544

Comments on two multi-server authentication protocols

Yalin Chen, Chun-Hui Huang, and Jue-Sam Chou

Abstract

Recently, Tsai and Liao et al. each proposed a multi-server authentication protocol. They claimed their protocols are secure and can withstand various attacks. But we found some security loopholes in each protocol. We will show the attacks on their schemes.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
multi-serverpassword authentication protocolserver spoofing attackparallel session attack
Contact author(s)
d949702 @ oz nthu edu tw
History
2008-12-29: received
Short URL
https://ia.cr/2008/544
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2008/544,
      author = {Yalin Chen and Chun-Hui Huang and Jue-Sam Chou},
      title = {Comments on two multi-server authentication protocols},
      howpublished = {Cryptology ePrint Archive, Paper 2008/544},
      year = {2008},
      note = {\url{https://eprint.iacr.org/2008/544}},
      url = {https://eprint.iacr.org/2008/544}
}
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