Tianqi Peng Bei Gong Chong Guo Akhtar Badshah Muhammad Waqas 0001 Hisham Alasmary Sheng Chen 0001 An efficient conjunctive keyword searchable encryption for cloud-based IoT systems. 1293-1304 2025 11 Digit. Commun. Networks 1 https://doi.org/10.1016/j.dcan.2025.03.002 db/journals/dcan/dcan11.html#PengGGBWAC25 streams/journals/dcan