Mobile Phone Security Based New Strong Genetic Stream Cipher Design

GHAZLI Abdelkader(1*), NAIMA HADJ SAID(2), ADDA ALIPACHA(3)

(1) University of Sciences and Technology of Oran, Algeria
(2) University of Sciences and Technology of Oran, Algeria
(3) University of Sciences and Technology of Oran, Algeria
(*) Corresponding author

DOI's assignment:
The DOI number for this article will be assigned as soon as the final version of the IRECAP Vol 7, No 4 (2017) issue will be available

Abstract


Mobile phones are considered to be the most common communication devices in history. Recently, mobile phones are not only used for communication but also, to sending and receiving important data such as, social security numbers, bank account details and passwords. The global system for mobile communications GSM uses the encryption algorithms collectively called as A5 families which are a symmetric-key Stream ciphers that generate pseudo-random binary sequences which are used to encrypt the message signals on bit-by-bit basis. However, these algorithms suffer from a lot cryptanalysis. In this paper, we propose new genetic pseudo random bit generator (PRBG) based on genetic algorithm  to make GSM encryption algorithm A5 robust and resistive to the attacks such as time memory trade off, divide and conquer. A basic security analysis shows that the proposed algorithm is more resisters for cryptanalysis with a good quality of bits stream produced by our generator called genetic A5.
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Keywords


security, mobile phone, genetic, stream cipher, A5



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