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《Journal of Wuhan University(Natural Science Edition)》 2018-05
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Efficient Privacy-Enhanced Scheme for Online Transportation Network Services

CAO Chenglong;ZHU Xiaoling;Department of Xueyan Trade,Anhui Finance and Trade Vocational College;School of Computer and Information,Hefei University of Technology;  
There have existed a great number of security and privacy threats in online transportation network service.Focusing on the threats,aprivacy protection scheme was designed,where payment pattern was changed from third-party payment to e-cash payment.A partially blind signature protocol was proposed to enhance passenger privacy and ensure that e-cash was unforgeable.In order to improve the practicability of the scheme,a lightweight trusted chain was constructed,in which e-cash was divisible and its share was non-reusable.The analysis shows that the scheme has small communication cost,and meanwhile it provides enhanced privacy protection:apassenger is anonymous,and his identity is not relevant to his position even in the presence of online transportation network platform and e-cash authority.
【Fund】: 安徽省自然科学基金项目(1608085MF141);; 安徽省社会科学创新发展研究重大课题(2017ZD005)资助项目
【CateGory Index】: U491;TP309
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