SIDE-CHANNEL ATTACKS ON THE MOBILE PHONES

Author:

Mostovoy R. A.,Levina A. B.,Sleptsova D. M.,Borisenko P. S.

Abstract

Currently, attacks on side channels are the main method of cryptanalysis, but despite this, these attacks have a very specific model of the attacker. As a result, the practical usage of side-channel attacks is sometimes disputable. The level of threat in each case should be assessed taking into account the individual characteristics of a specific target system. Client applications, such as mobile phone applications, are especially vulnerable due to easy access to the device, so it's required to pay sufficient attention to their security, since they are more accessible to the attacker and usually contain a large amount of confidential information. This study represents an assessment of the informativeness of signals from side channels received from mobile phones. The studies used not expensive equipment to minimize the requirements for the level of the attacker and, consequently, increase the applicability of the attack. This undoubtedly leads to the complication of the attacks, so the NICV algorithm was used to analyze the data obtained. The NICV (normalized interclass variance) algorithm can significantly improve the efficiency of the analysis of the traces obtained during an attack by reducing the number of points.

Publisher

Izdatel'skii dom Spektr, LLC

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