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40

CHES
2000
Springer

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Using Second-Order Power Analysis to Attack DPA Resistant Software

14 years 3 months ago

Using Second-Order Power Analysis to Attack DPA Resistant Software

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Under a simple power leakage model based on Hamming weight, a software implementation of a data-whitening routine is shown to be vulnerable to a first-order Differential Power Analysis (DPA) attack. This routine is modified to resist the first-order DPA attack, but is subsequently shown to be vulnerable to a second-order DPA attack. A second-order DPA attack that is optimal under certain assumptions is also proposed. Experimental results in an ST16 smartcard confirm the practicality of the first and second-order DPA attacks.

Thomas S. Messerges

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CHES 2000 | Cryptology | First-order Dpa Attack | Second-order Dpa Attacks | Simple Power Leakage |

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Added	02 Aug 2010
Updated	02 Aug 2010
Type	Conference
Year	2000
Where	CHES
Authors	Thomas S. Messerges

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