Multi Server Password Authenticated Key Exchange Using Attribute-Based Encryption 


Vol. 40,  No. 8, pp. 1597-1605, Aug.  2015


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  Abstract

Password authenticated key exchange (PAKE) is a protocol that a client stores its password to a server, authenticates itself using its password and shares a session key with the server. In multi-server PAKE, a client splits its password and stores them to several servers separately. Unless all the servers are compromised, client’s password will not be disclosed in the multi-server setting. In attribute-based encryption (ABE), a sender encrypts a message M using a set of attributes and then a receiver decrypts it using the same set of attributes. In this paper, we introduce multi-server PAKE protocol that utilizes a set of attributes of ABE as a client’s password. In the protocol, the client and servers do not need to create additional public/private key pairs because the password is used as a set of public keys. Also, the client and the servers exchange only one round-trip message per server. The protocol is secure against dictionary attacks. We prove our system is secure in a proposed threat model. Finally we show feasibility through evaluating the execution time of the protocol.

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  Cite this article

[IEEE Style]

M. Park, E. Cho, T. “. Kwon, "Multi Server Password Authenticated Key Exchange Using Attribute-Based Encryption," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 8, pp. 1597-1605, 2015. DOI: .

[ACM Style]

Minkyung Park, Eunsang Cho, and Ted “Taekyoung” Kwon. 2015. Multi Server Password Authenticated Key Exchange Using Attribute-Based Encryption. The Journal of Korean Institute of Communications and Information Sciences, 40, 8, (2015), 1597-1605. DOI: .

[KICS Style]

Minkyung Park, Eunsang Cho, Ted “Taekyoung” Kwon, "Multi Server Password Authenticated Key Exchange Using Attribute-Based Encryption," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 8, pp. 1597-1605, 8. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880