Privacy-preserving computation scheme for the maximum and minimum values of the sums of keyword-corresponding values in cross-chain data exchange

X Xin Liu H Huize Gao D Dan Luo (Power Battery & Systems Research Center, State Key Laboratory of Catalysis) W Wei Ye (Frontiers Science Center for Molecular Design Breeding, Beijing Key Laboratory of Crop Genetic Improvement, Department of Plant Genetics and Breeding, College of Agronomy and Biotechnology, China Agricultural University) L Likai Jia G Gang Xu X Xiubo Chen L Lanying Liang B Baohua Zhang Y Yu Gu