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Mohamed Hashem

  1. Lightweight Mutual Authentication Protocol for Low Cost RFID Tags.

    Ср, 05/26/2010 - 15:01 — SomNambul
    Authors: Eslam Gamal Ahmed, Eman Shaaban, Mohamed Hashem
    Subjects: Cryptography and Security
    Abstract

    Radio Frequency Identification (RFID) technology one of the most promising
    technologies in the field of ubiquitous computing. Indeed, RFID technology may
    well replace barcode technology. Although it offers many advantages over other
    identification systems, there are also associated security risks that are not
    easy to be addressed. When designing a real lightweight authentication protocol
    for low cost RFID tags, a number of challenges arise due to the extremely
    limited computational, storage and communication abilities of Low-cost RFID
    tags.

  2. Lightweight Distance bound Protocol for Low Cost RFID Tags.

    Пт, 04/09/2010 - 15:01 — SomNambul
    Authors: Eslam Gamal Ahmed, Eman Shaaban, Mohamed Hashem
    Subjects: Cryptography and Security
    Abstract

    Almost all existing RFID authentication schemes (tag/reader) are vulnerable
    to relay attacks, because of their inability to estimate the distance to the
    tag. These attacks are very serious since it can be mounted without the notice
    of neither the reader nor the tag and cannot be prevented by cryptographic
    protocols that operate at the application layer. Distance bounding protocols
    represent a promising way to thwart relay attacks, by measuring the round trip
    time of short authenticated messages.

Math-arch

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