Conference Proceeding Article
Nowadays mobile phones and PDAs are part and parcel of our lives. By carrying a portable mobile device with us all the time we are already living in partial Pervasive Computing Environment (PCE) that is waiting to be exploited very soon. One of the advantages of pervasive computing is that it strongly supports the deployment of Location-Based Service(s) (LBSs). In PCE, there would be many competitive service providers (SPs) trying to sell different or similar LBSs to users. In order to avail a particular service, it becomes very di#cult for a low-computing and resourcepoor mobile device to handle many such SPs at a time, and to identify and securely communicate with only genuine ones. Our paper establishes a convincing trust model through which secure job delegation is accomplished. Secure Job delegation and cost effective cryptographic techniques largely help in reducing the burden on the mobile device to securely communicate with trusted SPs. Our protocol also provides users privacy protection, replay protection, entity authentication, and message authentication, integrity, and confidentiality. This paper explains our protocol by suggesting one of the LBSs namely "Secure Automated Taxi Calling Service".
Privacy protection, ubiquitous computing environment, trust model, secure job delegation, location-based services, secure mobile device communications
SCIS 2004: Proceedings of the 2004 Symposium on Cryptography and Information Security, Sendai, 27-30 January
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DIVYAN, Konidala; DENG, Robert H.; ZHOU, Jianying; and KIM, Kwanjo.
A secure and privacy enhanced location-based service transaction protocol in ubiquitous computing environment. (2004). SCIS 2004: Proceedings of the 2004 Symposium on Cryptography and Information Security, Sendai, 27-30 January. 931-936. Research Collection School Of Information Systems.
Available at: http://ink.library.smu.edu.sg/sis_research/1088
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