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Paper 2015/801

Scalar Blinding on Elliptic Curves based on Primes with Special Structure

Scott Fluhrer

Abstract

This paper shows how scalar blinding can provide protection against side channel attacks when performing elliptic curve operations with modest cost, even if the characteristic of the field has a sparse representation. This may indicate that, for hardware implementations, random primes might not have as large of an advantage over special primes as previously claimed.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint. MINOR revision.
Keywords
elliptic curve cryptosystem
Contact author(s)
sfluhrer @ cisco com
History
2015-08-11: revised
2015-08-10: received
See all versions
Short URL
https://ia.cr/2015/801
License
Creative Commons Attribution
CC BY
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