Saru Kumari, Xiong Li, Fan Wu, Ashok Kumar Das, Vanga Odelu, Muhammad Khurram Khan, Vol. 10, No. 9, September 29, 2016
10.3837/tiis.2016.09.026

• Guessing and Impersonation attacks
• authentication
• Forward Secrecy
• BAN Logic.

Shi-Jinn Horng, Shiang-Feng Tzeng, Pingzhi Fan, Xian Wang, Tianrui Li, Muhammad Khurram Khan, Vol. 7, No. 6, June 25, 2013
10.3837/tiis.2013.06.010

• Convertible
• Extended euclidean algorithm
• Random Oracle
• undeniable signature.

Muhammad Khurram Khan, Saru Kumari, Pitam Singh, Vol. 7, No. 5, May 30, 2013
10.3837/tiis.2013.05.002

• Wireless medical sensor networks
• medical professional authentication
• medical sensor-node impersonation
• insecure session key
• password guessing.