The Sources of Randomness in Mobile Devices

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Authors

KRHOVJÁK Jan ŠVENDA Petr MATYÁŠ Václav

Year of publication 2007
Type Article in Proceedings
Conference Proceeding of the 12th Nordic Workshop on Secure IT Systems
MU Faculty or unit

Faculty of Informatics

Citation
Field Computer hardware and software
Keywords entropy estimation; mobile device; smartphone; source of randomness;
Description The goal of this paper is to examine randomness sources available in current mobile phones or other mobile devices. We identify potential sources of randomness and perform an analysis focused on the camera and the microphone input noise as promising sources of randomness. We also perform statistical tests and analyse quality of these sources of randomness including estimation of entropy in the generated data.
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