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Conference Papers Year : 2007

## New Point Addition Formulae for ECC Applications

(1, 2)
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2
Nicolas Méloni

#### 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.

### Dates and versions

lirmm-00188957 , version 1 (19-11-2007)

### Identifiers

• HAL Id : lirmm-00188957 , version 1
• DOI :

### Cite

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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