Title :
Privacy-Preserving Cooperative Downloading for Value-Added Services in VANETs
Author :
Wujun Zhang ; Shunrong Jiang ; Xiaoyan Zhu ; Yumin Wang
Author_Institution :
Nat. Key Lab. of Integrated Services Networks, Xidian Univ., Xi´an, China
Abstract :
Value-added services have been promising applications in Vehicular Ad Hoc Networks (VANETs) in recent years. In VANETs, Road Side Units (RSUs) cannot cover all areas, causing intermittent connectivity. As a result, how to snsure security and privacy for downloading data continuously in such a highly dynamic environment is still a problem. In this paper, we present a cooperative downloading scheme for value-added services in VANETs, which can realize continuous services enjoying even out of the communication range of RSUs. Moreover, in order to realize security and privacy of data enjoying, we employ Cipher text Policy Attribute Based Encryption with Constant Length (CP-ABE-CL) according to users´ charge levels, ensuring the anonymity of receivers.
Keywords :
cooperative communication; telecommunication security; vehicular ad hoc networks; RSU; VANET; ciphertext policy attribute based encryption; communication range; constant length; cooperative downloading scheme; data privacy; data security; downloading data; dynamic environment; intermittent connectivity; privacy-preserving cooperative downloading; receivers anonymity; road side units; security; value-added services; vehicular ad hoc networks; Access control; Authentication; Encryption; Public key; Receivers; Vehicles; VANETs; anonymity; cooperation; data downloading;
Conference_Titel :
Intelligent Networking and Collaborative Systems (INCoS), 2013 5th International Conference on
Conference_Location :
Xi´an
DOI :
10.1109/INCoS.2013.67
