Paper 2011/378

A generalization of the Lucas addition chains

Amadou TALL

Abstract

In this paper, we give a generalization of Lucas addition chains, where subtraction is allowed. We call them ''Lucas addition-subtraction chain''. We also show that this new method gives minimal addition-subtraction chains for infinitely many integers. This new method will also be used to prove that Lucas addition chains are optimal for many integers. Moreover, we show that Lucas addition chains give minimal addition chains for all integers of Hamming weight $3$, like the \emph{binary method}. Finally, we give a theorem to get short (and many times minimal) Lucas addition-subtraction chains.

Metadata
Available format(s)
PDF PS
Category
Public-key cryptography
Publication info
Published elsewhere. Addition chains, exponentiation
Keywords
addition chainaddition-subtraction chainLucas chains
Contact author(s)
tallamad @ hotmail com
History
2011-07-24: revised
2011-07-12: received
See all versions
Short URL
https://ia.cr/2011/378
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2011/378,
      author = {Amadou TALL},
      title = {A generalization of the Lucas addition chains},
      howpublished = {Cryptology {ePrint} Archive, Paper 2011/378},
      year = {2011},
      url = {https://eprint.iacr.org/2011/378}
}
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