Abstract: This paper describes the application and the suitability of color sensors and mobile devices for the design and development of secure personal identification systems in pervasive environments. The system uses a color sequence properly encrypted and stored on a mobile device to be used as the only identification. An application stored in the phone device is responsible for decrypting and displaying the sequence of colors that is read by a real color sensor that could be connected to any kind of objects in a pervasive scenario. Data structure of the identification key, encriptation type, processing and application of the system…is described in this paper.
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Keywords: Blowfish, color sensor, identification systems, mobile devices