Private mutual authentications with fuzzy matching
by Yamin Wen; Zheng Gong
International Journal of High Performance Systems Architecture (IJHPSA), Vol. 5, No. 1, 2014

Abstract: A private mutual authentication, or unlinkable secret handshake, originally allows two members from the same organisations to anonymously authenticate each other. In this paper, a new privacy-preserving mutual authentication protocol is constructed to achieve fuzzy private matching. The proposed protocol supports more flexible threshold-based appropriate matching under the multiple-groups environment, which is not limited to authenticate between members from the same groups. Our new protocol is constructed from the fuzzy identity-based encryption scheme and constant-size group signature. Without using the random oracle, the new protocol is proved secure by assuming the intractability of the decisional bilinear Diffie-Hellman problems. Compared with previous works, our proposed protocol can adapt to many different applications.

Online publication date: Sat, 12-Jul-2014

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