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Trusted SMS Communication on Mobile Devices

Juan Pablo AlbujaEnrique V. Carrera

The exponential growth of the Short Message Service (SMS) use has transformed this service in a widespread tool for social and commerce messaging. However, security concerns have been raised as applications become more critical and complex. Thus, this paper introduces an SMS security framework, which allows programmers and users to exchange confidential, non-repudiable and digitally signed text messages. This framework can fit in many development scenarios, such as commercial transactions or bureaucratic delegations. In addition, the proposed framework is highly flexible and efficient, since programmers can choose among several encryption algorithms according to the computational power and battery usage of each mobile device. Finally, this paper also analyzes the existing tradeoffs between security and performance in SMS applications running on mobile devices such as smart-phones and PDAs.

http://www.lbd.dcc.ufmg.br/colecoes/wtr/2009/019.pdf

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Biblioteca Digital Brasileira de Computação - Contato: bdbcomp@lbd.dcc.ufmg.br
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