Side Channel Attacks Database
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On the Correctness of An Approach Against Side-channel attacks |
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Peng Wang, Dengguo Feng, Wenling Wu, Liting Zhang, |
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IACR 2008 |
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| Abstract: |
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Side-channel attacks are a very powerful cryptanalytic technique. Li and Gu [ProvSec07] proposed an approach against side-channel attacks, which states that a symmetric encryption scheme is IND-secure in side-channel model, if it is IND-secure in black-box model and there is no adversary who can recover the whole key of the scheme computationally in side-channel model, i.e. WKR-SCA ^ IND -> IND-SCA. Our researches show that it is not the case. We analyze notions of security against key recovery attacks and security against distinguishing attacks, and then construct a scheme which is WKR-SCA-secure and IND-secure, but not IND-SCA-secure in the same side-channel environment. Furthermore, even if the scheme is secure again partial key recovery attacks in side-channel model, this approach still does not hold true. |
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| Paper Available At: |
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http://eprint.iacr.org/2008/497 |
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