In this paper an attempt is made to extend the capability of mobile phones for secure control of remote electrical devices using SMS services. The transmission of SMS in GSM network is not secure. It only provides the encryption between Mobile Station to Base Station Controller. The message transmitted between GSM operator networks is not encrypted and hence is not safe. Mobile SMS service has been used for control purposes in various applications; but the control operations seem not to be secured. Therefore, it is desirable to secure SMS by adding suitable cryptographic algorithm so as to perform operations securely on certain crucial remote devices. In this system blowfish algorithm has been enhanced for its suitability to increase the security on the parameters like Avalanche effect, GA, key-size, and others. The results obtained are far better in above terms.
Comments: 9 Pages.
[v1] 2012-08-18 21:34:21
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