… protocol allows a roaming user U to visit a foreign server V and establish a session key in an
authenticated … We propose two protocols: one provides better efficiency and supports user …

… authentication in IoT. In section 3 we present a survey of articles on Anonymous Authentication
… In section 4 we present some of prominent security attacks on authentication protocols. In …

… anonymous RFID authentication protocols and … Anonymous RFID authetication protocols
In this section we propose three RFID authentication protocols, a 2-pass authentication protocol …

… The use of anonymous channel tickets was proposed for authentication in wireless … Recently,
Yang et al. proposed a secure and efficient authentication protocol for anonymous channel …

… have been made for designing authentication schemes with user … anonymous user
authentication in WSN are impractical. Subsequently, we propose a realistic authentication protocol …

… Therefore, we propose an improved authentication protocol that can resolve these issues. …
, and anonymous authentication protocol suitable for IoT environments. The proposed protocol …

… a group based anonymous private authentication protocol (AnonPri… Our protocol provides
unlinkability and thereby preserves … the protocols, AnonPri and the group based authentication. …

… authentication protocol for IoT and claimed that their protocol is secure against all known
attacks. We analyze their protocol … Then, we propose a two-factor authentication protocol that is …

… anonymous authentication mechanisms. Even though some sections might point out
vulnerabilities in certain classes of authentication protocols… privacy-preserving protocols for …

… services, malicious attackers can access them in an unauthorized way. In this paper, we
designed an Efficient Anonymous User Authentication (E-AUA) protocol between the users and …