Computer Science – Cryptography and Security
Scientific paper
2011-02-25
IJCSI International Journal of Computer Science Issues, Vol. 7, Issue 4, No 4, July 2010
Computer Science
Cryptography and Security
Available online at http://ijcsi.org
Scientific paper
The Long Term Evolution of UMTS is one of the latest steps in an advancing series of mobile telecommunications systems. Many articles have already been published on the LTE subject but these publications have viewed the subject from particular perspectives. In the present paper, a different approach has been taken. We are interested in the security features and the cryptographic algorithms used to ensure confidentiality and integrity of the transmitted data. A closer look is taken to the two EPS confidentiality and integrity algorithms based on the block cipher algorithm AES: the confidentiality algorithm EEA2 and the integrity algorithm EIA2. Furthermore, we focused on the implementation of both algorithms in C language in respect to the specifications requirements. We have tested our implementations according to the testsets given by the 3rd Generation Partnership Project (3GPP) implementation document. Some examples of the implementation tests are presented bellow.
Bentaleb Youssef
Hajji Said El
Laassiri Jalal
Orhanou Ghizlane
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