Zhang, Liping, Tang, Shanyu ORCID: https://orcid.org/0000-0002-2447-8135 and Cai, Zhihua (2014) Cryptanalysis and improvement of password-authenticated key agreement for session initiation protocol using smart cards. Security and Communication Networks, 7 (12). pp. 2405-2411. ISSN 1939-0114

Zhang, Liping, Tang, Shanyu ORCID: https://orcid.org/0000-0002-2447-8135 and Cai, Zhihua (2014) Efficient and flexible password authenticated key agreement for Voice over Internet Protocol session initiation protocol using smart card. International Journal of Communication Systems, 27 (11). pp. 2691-2702. ISSN 1074-5351

Zhang, Liping, Tang, Shanyu ORCID: https://orcid.org/0000-0002-2447-8135 and Cai, Zhihua (2014) Robust and efficient password authenticated key agreement with user anonymity for session initiation protocol-based communications. IET Communications, 8 (1). pp. 83-91. ISSN 1751-8628