Azeem Irshad, Muhammad Sher, Bander A. Alzahrani, Aiiad Albeshri, Shehzad Ashraf Chaudhry, Saru Kumari, Vol. 12, No. 1, January 30, 2018
10.3837/tiis.2018.01.025

• Multi-server authentication
• remote authentication
• biometrics
• cryptanalysis

Azeem Irshad, Hafiz Farooq Ahmad, Bander A. Alzahrani, Muhammad Sher, Shehzad Ashraf Chaudhry, Vol. 10, No. 12, December 30, 2016
10.3837/tiis.2016.12.023

• Multi-server authentication
• cryptography
• Anonymity
• Chebyshev chaotic map
• Authentication key agreement

Azeem Irshad, Muhammad Sher, Hafiz Farooq Ahmad, Bander A. Alzahrani, Shehzad Ashraf Chaudhry, Rahul Kumar, Vol. 10, No. 12, December 30, 2016
10.3837/tiis.2016.12.021

• Multi-server authentication
• Mobile Cloud Computing
• trusted third party
• Attacks
• cryptanalysis