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RPL (Routing Protocol for Low-power and lossy networks) is a special? routing protocol designed for optimizing 6LoWPAN (IPv6 over Lower power Wireless Personal Area Network) operations. RPL suffers from resource constraints on battery, processor, memory and bandwidth, which make RPL more vulnerable to several threats than normal routing protocol. It is necessary to design a lightweight method to protect...
This paper proposed the construction algorithm of chaotic Hash function based on He??non-like mapping, and designed one password authentication scheme on basis of chaotic scramble sort algorithm and chaotic Hash function; it also resolved the insecurity problems that can't resist little numbers attack, the iteration times of plaintext transmission and the attack of fraud server in the scheme. It finally...
In order to enhance the security of vehicular ad hoc networks (VANETs). By dividing the roadside units (RSUs) into application-RSUs (AP-RSUs) and authentication-RSUs (AU-RSUs) in application layer, we give a new security scheme for VANETs. This functional division of RSUs makes VANETs more logically clear. AU-RSUs record vehicles' real identities and assign temporary certificates to them. The temporary...
Future mobile devices are expected to access different networks (such as 3rd generation network, WLAN, Bluetooth, Internet, and etc). Hence many sensitivity data are stored in them. How to protect the security of information and applications about mobile devices becomes an exigent problem. This paper proposes a secure authentication and authorization protocol for mobile devices. The protocol employs...
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