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# New Point Addition Formulae for ECC Applications

Abstract : In this paper we propose a new approach to point scalar multiplication on elliptic curves defined over fields of characteristic greater than 3. It is based on new point addition formulae that suit very well to exponentiation algorithms based on Euclidean addition chains. However finding small chains remains a very difficult problem, so we also develop a specific exponentiation algorithm, based on Zeckendorf representation (i.e. representing the scalar $k$ using Fibonacci numbers instead of powers of 2), which takes advantage of our formulae.
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Conference papers

Cited literature [14 references]

https://hal-lirmm.ccsd.cnrs.fr/lirmm-00188957
Contributor : Nicolas Méloni Connect in order to contact the contributor
Submitted on : Monday, November 19, 2007 - 4:25:46 PM
Last modification on : Wednesday, March 16, 2022 - 3:04:51 AM
Long-term archiving on: : Monday, April 12, 2010 - 2:43:43 AM

### Citation

Nicolas Méloni. New Point Addition Formulae for ECC Applications. WAIFI: Workshop on the Arithmetic of Finite Fields, Jun 2007, Madrid, Spain. pp.189-201, ⟨10.1007/978-3-540-73074-3_15⟩. ⟨lirmm-00188957⟩

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