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Security Enhancement in GSM using A3 algorithm
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 108 - Number 1 |
| Year of Publication: 2014 |
| Authors: Arpita Gupta, Prateek Singh Chandel |
10.5120/18875-0138
|
Arpita Gupta, Prateek Singh Chandel . Security Enhancement in GSM using A3 algorithm. International Journal of Computer Applications. 108, 1 ( December 2014), 18-20. DOI=10.5120/18875-0138
Abstract
The GSM (Global System for Mobile Communications) is widely used cellular standard in the world. Recently, the mobile industry has experienced an extreme increase in the number of its users. Thus the GSM network with the greatest worldwide number of users succumbs to several security vulnerabilities. Security is a burning and intelligent issue. GSM security flaws have been identified several years ago. Many algorithms are used for making the GSM secure. The algorithms mainly used are A3, A5 and A8 algorithms. Algorithm A3 is used for authentication, A5 is used for encryption, and A8 is used for the generation of a cipher key. This paper presents an enhanced scheme of A3 algorithm to improve the level of security provided by the GSM. Proposed scheme is implemented at some level and analyzed thoroughly to show that the proposed scheme provides better security in the GSM. The above said algorithm is implemented using C#. NET in Microsoft Visual Studio 2012 with the help of socket programming. In this paper, encryption is introduced in the Authentication phase during the A3 algorithm of the GSM security.
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