Practical Electromagnetic Template Attack on HMAC

Abstract

In this paper, we show a very efficient side channel attack against HMAC. Our attack assumes the presence of a side channel that reveals the Hamming distance of some registers. After a profiling phase in which the adversary has access to a device and can configure it, the attack recovers the secret key by monitoring a single execution of HMAC-SHA-1. The… (More)
DOI: 10.1007/978-3-642-04138-9_6

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Cite this paper

@inproceedings{Fouque2009PracticalET, title={Practical Electromagnetic Template Attack on HMAC}, author={Pierre-Alain Fouque and Ga{\"e}tan Leurent and Denis R{\'e}al and Fr{\'e}d{\'e}ric Valette}, booktitle={CHES}, year={2009} }