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Paper 2006/272

Efficient Use of Random Delays

Olivier Benoit and Michael Tunstall

Abstract

Random delays are commonly used as a countermeasure to inhibit side channel analysis and fault attacks in embedded devices. This paper proposes a different manner of generating random delays. The alternative proposed increases the desynchronisation compared to uniformly distributed random delays. It is also shown that it is possible to reduce the amount of time lost due to random delays, while maintaining the increased variation.

Metadata
Available format(s)
PDF PS
Category
Implementation
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
mike tunstall @ yahoo co uk
History
2006-08-15: received
Short URL
https://ia.cr/2006/272
License
Creative Commons Attribution
CC BY
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