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Paper 2020/570

On Optimality of d + 1 TI Shared Functions of 8 Bits or Less

Dušan Božilov

Abstract

We present a methodology for finding minimal number of output shares in $d + 1$ TI by modeling the sharing as set covering problem and using different discrete optimization techniques to find solutions. We demonstrate the results of our technique by providing optimal or near-optimal sharings of several classes of Boolean functions of any degree up to 8 variables, for first and second order TI. These solutions present new lower bounds for the total number of shares for these types of functions

Metadata
Available format(s)
PDF
Publication info
Preprint. MINOR revision.
Keywords
Threshold Implementation and SCA and Masking
Contact author(s)
dusan bozilov @ esat kuleuven be
History
2020-05-16: received
Short URL
https://ia.cr/2020/570
License
Creative Commons Attribution
CC BY
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