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COPACOBANA-Assisted Cryptanalysis of GSM Communication

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21240%2F09%3A00159974" target="_blank" >RIV/68407700:21240/09:00159974 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    COPACOBANA-Assisted Cryptanalysis of GSM Communication

  • Original language description

    GSM is the most widely used system for mobile phone communication. GSM was developed in 1980s for the use in Europe. The GSM standard defines algorithms for authentication as well as for data encryption. The encryption algorithms are denoted as A5/1 andA5/2. The original cipher, A5/1, is used within Europe and in most other countries, while weaker A5/2 cipher has been developed later --- due to the export restriction --- for deploying GSM outside Europe. We present two known-plaintext attacks against stronger cipher A5/1 that we developed and fully implemented. They represent the first real-world implementations of attacks against A5/1 reported in open literature. To implement both attacks, we used a special-purpose hardware, COPACOBANA, however, theattacks are different.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JC - Computer hardware and software

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Fifth Doctoral Workshop on Mathematical and Engineering Methods in Computer Science

  • ISBN

    978-80-87342-04-6

  • ISSN

  • e-ISSN

  • Number of pages

    1

  • Pages from-to

  • Publisher name

    neuveden

  • Place of publication

    Brno

  • Event location

    Znojmo

  • Event date

    Nov 13, 2009

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article