ElectroMagnetic Analysis (EMA) of Software AES on Java Mobile Phones

Abstract : Smartphones, whose market share has increased by 54% between 2009 and 2010, is one of the favored platform for "Convergence Computing". Convergence Computing is a technology in which a single device can provide various services without any restrictions from external devices or networks. Today, smartphones as convergent single device have diverse functions and features such as calling, Internet surfing, game playing, banking, storage of personal and professional data, etc. Some of these use encryption algorithms such as AES (Advanced Encryption Standard). For example, this algorithm is used to authenticate server protocols or to encrypt confidential information. This paper shows that an Electromagnetic Analysis (EMA) on AES is possible on a Java mobile phone to extract secret keys. The latter can then be used for forensic purposes or to recover encrypted data stored in the device. Experiments involving two successful approaches are described and compared : Spectral Density based Approach (SDA) and Template based Resynchronisation Approach (TRA).
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Communication dans un congrès
IEEE Intl. Workshop on Information Forensics and Security - WIFS'11, Nov 2011, Foz do Iguaçu, Brazil. Paper 75, 2011
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https://hal-emse.ccsd.cnrs.fr/emse-00651026
Contributeur : Laurent Freund <>
Soumis le : lundi 12 décembre 2011 - 17:05:28
Dernière modification le : mercredi 29 novembre 2017 - 15:04:31
Document(s) archivé(s) le : dimanche 4 décembre 2016 - 22:32:18

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PID2055323.pdf
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  • HAL Id : emse-00651026, version 1

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Driss Aboulkassimi, Michel Agoyan, Laurent Freund, Jacques Fournier, Bruno Robisson, et al.. ElectroMagnetic Analysis (EMA) of Software AES on Java Mobile Phones. IEEE Intl. Workshop on Information Forensics and Security - WIFS'11, Nov 2011, Foz do Iguaçu, Brazil. Paper 75, 2011. 〈emse-00651026〉

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