An Efficient Lightweight Privacy-Preserving Mechanism for Industry 4.0 Based on Elliptic Curve Cryptography[J] IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS 2022(18) Velliangiri, S. Manoharn, Rajesh Ramachandran, Sitharthan Venkatesan, Krishnasamy Rajasekar, Vani Karthikeyan, P. Kumar, Pardeep Kumar, Abhishek Dhanabalan, Shanmuga Sundar