Research on Time Randomization of AES against Differential Power Analysis

Yang, Weiming; Xu, Jiren; Yan, Yingjian; Liu, Kai

doi:10.1109/iscid.2009.280

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2012

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“…efficiency are possible: if the phase dependencies allow, δ could be small (even zero) while producing the same security benefit. High-level, algorithm-specific implementations of this concept in hardware are known [27]; realising an algorithm-neutral version on an SCA seems difficult as the result of managing dependencies between phases. This is, for example, more difficult than the case of instruction dependencies in software [15].…”

Section: Countermeasuresmentioning

confidence: 99%

On reconfigurable fabrics and generic side-channel countermeasures

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Grabher

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et al. 2012

22nd International Conference on Field Programmable Logic and Applications (FPL)

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Abstract. The use of field programmable devices in security-critical applications is growing in popularity; in part, this can be attributed to their potential for balancing metrics such as efficiency and algorithm agility. However, in common with non-programmable alternatives, physical attack techniques such as fault and power analysis are a threat. We investigate a family of next-generation field programmable devices, specifically those based on the concept of time sharing, within this context: our results support the premise that extra, inherent flexibility in such devices can offer a range of possibilities for low-overhead, generic countermeasures against physical attack.

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Section: Countermeasuresmentioning

confidence: 99%