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Efficient Verifier-based Password-authenticated Key Exchange in the Three-party Setting
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- Authors
- Jeong Ok Kwon, Ik Rae Jeong, Kouichi Sakurai, Dong Hoon Lee
- Issue Date
- 2007-07
- Citation
- Computer Standards & Interfaces, v.29, no.5, pp.513-520
- ISSN
- 0920-5489
- Publisher
- Elsevier, Elsevier Science
- Language
- English
- Type
- Journal Article
- Abstract
- In the last few years, researchers have extensively studied the password-authenticated key exchange (PAKE) in the three-party setting. The fundamental security goal of PAKE is security against dictionary attacks. The protocols for verifier-based PAKE are additionally required to be secure against server compromise. Some verifier-based PAKE schemes in the three-party setting have been suggested to solve the server compromise problem. Unfortunately, the protocols are vulnerable to an off-line dictionary attack. In this paper, we present an efficient verifier-based PAKE protocol for three-parties that is secure against known-key attacks and provides forward secrecy. To the best of our knowledge, the proposed protocol is the first secure three-party verifier-based PAKE protocol in the literature. © 2006 Elsevier B.V. All rights reserved.
- KSP Keywords
- Dictionary attack, IS security, Off-line, Password-authenticated key exchange, Three-party, forward secrecy