Paper 2005/125 Original: eprint.iacr.org/2005/125 ↗

SPA Resistant Left-to-Right Integer Recodings

Nicolas Thériault
Abstract

We introduce two new left-to-right integer recodings which can be used to perform scalar multiplication with a fixed sequence of operations. These recodings make it possible to have a simple power analysis resistant implementation of a group-based cryptosystem without using unified formulas or introducing dummy operations. This approach is very useful for groups in which the doubling step are less expensive than the addition step, for example with hyperelliptic curves over binary fields or elliptic curves with mixed coordinates.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint.
History
2005-05-17: last updated
2005-04-29: published
Short URL
https://ia.cr/2005/125
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2005/125,
      author = {Nicolas Thériault},
      title = {SPA Resistant Left-to-Right Integer Recodings},
      howpublished = {Cryptology {ePrint} Archive, Paper 2005/125},
      year = {2005},
      url = {https://eprint.iacr.org/2005/125}
}
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