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To achieve privacy and authentication simultaneously in mobile applications, various Three-party Password-authenticated key exchange (3PAKE) protocols have been proposed. However, some of these protocols are vulnerable to conventional attacks or have low efficiency so that they cannot be applied to mobile applications. In this paper, we proposed a password-authenticated multiple key exchange protocol for mobile applications using elliptic curve cryptosystem. The proposed protocol can achieve efficiency, reliability, flexibility and scalability at the same time. Compared with related works, the proposed protocol is more suitable and practical for mobile applications.
To some, privacy and authentication simultaneously in mobile applications, various Three-party Password-authenticated key exchange (3PAKE) protocols have been proposed. However, some of these protocols are vulnerable to conventional attacks or have low efficiency so that they can not be applied to mobile applications. In this paper, we propose a password-authenticated multiple key exchange protocol for mobile applications using elliptic curve cryptosystem. The proposed protocol can achieve efficiency, reliability, flexibility and scalability at the same time. Compared with related works, the proposed protocol is more suitable and practical for mobile applications.