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The ownership transfer of RFID tag means a tagged product changes control over the supply chain. Recently, Doss et al. proposed two secure RFID tag ownership transfer (RFID-OT) protocols based on quadratic residues. However, we find that they are vulnerable to the desynchronization attack. The attack is probabilistic. As the parameters in the protocols are adopted, the successful probability is 93...
The smart grid is an emerging technology that integrates the power infrastructure with information technologies to enable real-time monitoring and control of various power equipments. As the most important component in power systems, power substations merge not only many critical equipments, such as transformers and transmission lines, but a large amount of system information to manipulate miscellaneous...
Security association established by authentication schemes enables wireless networks resilient from external attacks. However, an enhanced security guarantee will influence network performance more or less. In this paper, we observe the detailed actions of a security association in the procedure of establishment and shift, in a wireless mesh network (WMN), i.e. a typical multi-hop network. To investigate...
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