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1. Cryptanalysis of GSM encryption algorithm A5/1

V. Amin Ghafari; A. Vardasbi; J. Mohajeri

Volume 4, Issue 2 , Summer and Autumn 2012, , Pages 107-114

http://dx.doi.org/10.22042/isecure.2013.4.2.2

Abstract
  The A5/1 algorithm is one of the most famous stream cipher algorithms used for over-the-air communication privacy in GSM. The purpose of this paper is to analyze several weaknesses of A5/1, including an improvement to an attack and investigation of the A5/1 state transition. Biham and Dunkelman proposed ...  Read More