Title	OSAP: Online Smartphone’s User Authentication Protocol
Author	Rabia Riaz, Sanam Shahla Rizvi, Erum Mushtaq, Sana Shokat
Citation	Vol. 17  No. 3  pp. 7-12
Keywords	IMEI, OTP, Smart Phones, Steganography, Authentication.

Title	A Watermarking Technique for User Authentication Based on a Combination of Face Image and Device Identity in a Mobile Ecosystem
Author	Fatimah Al-Jarba and Mohammed Al-Khathami
Citation	Vol. 21  No. 9  pp. 303-316
Keywords	Watermark; User authentication; Biometrics; Digital content; IMEI.