SHAPARAK: Scalable healthcare authentication protocol with attack-resilience and anonymous key-agreement. - Rahman Hajian; Soheyla ZakeriKia; Seyed Hossein Erfani; Meghdad Mirabi (Comput. Networks, 2020)

CHESDA: continuous hybrid and energy-efficient secure data aggregation for WSN. - Rahman Hajian; Seyed Hossein Erfani (J. Supercomput., 2021)

Robust and anonymous handover authentication scheme without key escrow problem in vehicular sensor networks. - Soheyla ZakeriKia; Rahman Hajian; Seyed Hossein Erfani; Amir Masoud Rahmani (Wirel. Networks, 2021)

A Secure Anonymous D2D Mutual Authentication and Key Agreement Protocol for IoT. - Rahman Hajian; A. Haghighat; Seyed Hossein Erfani (Internet Things, 2022)

A lightweight authentication and key agreement protocol for heterogeneous IoT with special attention to sensing devices and gateway. - Rahman Hajian; Seyed Hossein Erfani; Saru Kumari (J. Supercomput., 2022)