PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Computer Networks and Communications Cryptography Security and Privacy Islam Z Ahmed PeerJ Author Summary Computer Networks & Communications Cryptography Security & Privacy Past or current institution affiliations Helwan University Work details Assistant Lecturer Helwan University Information Technology PeerJ Contributions Articles 2 June 27, 2025 SMAD-LDS: enhanced secure message authentication and dissemination with lightweight digital signature in the Internet of Vehicles Islam Z. Ahmed, Yasser Hifny, Rowayda A. Sadek https://doi.org/10.7717/peerj-cs.2982 May 4, 2021 Efficient VANET safety message delivery and authenticity with privacy preservation Taha M. Mohamed, Islam Z. Ahmed, Rowayda A. Sadek https://doi.org/10.7717/peerj-cs.519
