Accepted Papers

  • CHARGING AND BILLING IN VEHICULAR AD HOC NETWORK : HIGH AVAILABILITY ARCHITECTURE AND TECHNICAL INTERFACE SPECIFICATION
    Mohamed Darqaoui1, Slimane Bah2 and Marouane Sebgui2, 1Mohamed V University in Rabat, Morocco and 2Ecole Mohammadia d'Ingenieurs, Morocco
    ABSTRACT

    Actually in vehicular ad hoc networks, no architecture is deployed for high availability of charging and billing functions, unlike traditional mobile and fix networks; thus, the VANET service providers need to control their rendered services when the VANET user move to an external domain (3GPP, VANET or infrastructure-less network ). In this paper, we present a high level solution in term of architecture and interfaces in order to make charging and billing of VANET services available even out of vehicular domain.

  • Efficient Hardware Implementation of ITUbee Based on Composite Field
    Juhua Liu1,Wei Li1,Guoqiang Ba2, 1Institute of Microelectronics, Tsinghua University, Beijing, China, 2Tsinghua National Laboratory for Information Science and Technology
    ABSTRACT

    Recently, a new lightweight block cryptography algorithm, ITUbee, has been proposed by Ferhat Karakoc in Lightsec 2013. An ef icient hardware implementation of ITUbee is presented in this paper. Firstly, we reuse certain module, which takes a big share of hardware resource, to achieve better resource utilization. Secondly, we apply composite field to implement 8-bit S-box instead of the traditional looking up tables(LUTs) to save area requirements. In the end, we conclude that the hardware implementation of ITUbee requires about 6448 GE on 0.18 um technology. The area consumption of ITUbee is roughly 31.2% less than the round-based implementation. And it costs 365.6 GE to implement 8-bit S-box by using composite field, 32.7% less than by using LUTs.






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