Cryptanalysis of a user friendly remote authentication scheme with smart cards. - Chou Chen Yang; Ren-Chiun Wang (Comput. Secur., 2004)

An improvement of security enhancement for the timestamp-based password authentication scheme using smart cards. - Chou Chen Yang; Ren-Chiun Wang (ACM SIGOPS Oper. Syst. Rev., 2004)

Cryptanalysis of security enhancement for the timestamp-based password authentication scheme using smart cards. - Chou Chen Yang; Hung-Wen Yang; Ren-Chiun Wang (IEEE Trans. Consumer Electron., 2004)

A secure and efficient authentication protocol for anonymous channel in wireless communications. - Chou Chen Yang; Yuan-Liang Tang; Ren-Chiun Wang; Hung-Wen Yang (Appl. Math. Comput., 2005)

Cryptanalysis of improved authenticated multiple-key agreement protocol without using conventional one-way function. - Chou Chen Yang; Ren-Chiun Wang (Appl. Math. Comput., 2005)

An improvement of the Yang-Shieh password authentication schemes. - Chou Chen Yang; Ren-Chiun Wang; Ting Yi Chang (Appl. Math. Comput., 2005)

Note on Robust and Simple Authentication Protocol. - Hung-Yu Chien; Ren-Chiun Wang; Chou Chen Yang (Comput. J., 2005)

Secure authentication scheme for session initiation protocol. - Chou Chen Yang; Ren-Chiun Wang; Wei-Ting Liu (Comput. Secur., 2005)

A protected password change protocol - Ren-Chiun Wang; Chou Chen Yang; Kun-Ru Mo (CoRR, 2005)

Cryptanalysis of Improvement of Password Authenticated Key Exchange Based on RSA for Imbalanced Wireless Networks. - Chou Chen Yang; Ren-Chiun Wang (IEICE Trans. Commun., 2005)

Cryptanalysis of Two Improved Password Authentication Schemes Using Smart Cards. - Ren-Chiun Wang; Chou Chen Yang (Int. J. Netw. Secur., 2006)

A Simple and Efficient Key Exchange Scheme Against the Smart Card Loss Problem. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (EUC Workshops, 2007)

A Lightweight Key Agreement Protocol with User Anonymity in Ubiquitous Computing Environments. - Ren-Chiun Wang; Wen-Shenq Juang; Chen-Chi Wu; Chin-Laung Lei (MUE, 2007)

An Anonymous and Deniable Conversation for a Thin Client. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (AINA Workshops, 2008)

User authentication scheme with privacy-preservation for multi-server environment. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (IEEE Commun. Lett., 2009)

A privacy and delegation-enhanced user authentication protocol for Portable Communication Systems. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (Int. J. Ad Hoc Ubiquitous Comput., 2010)

Robust authentication and key agreement scheme preserving the privacy of secret key. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (Comput. Commun., 2011)

Provably secure and efficient identification and key agreement protocol with user anonymity. - Ren-Chiun Wang; Wen-Shenq Juang; Chin-Laung Lei (J. Comput. Syst. Sci., 2011)