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Efficient (3,3)-isogenies on fast Kummer surfaces
Feb. 2, 2024, 8:48 a.m. |
IACR News www.iacr.org
ePrint Report: Efficient (3,3)-isogenies on fast Kummer surfaces
Maria Corte-Real Santos, Craig Costello, Benjamin Smith
We give an alternative derivation of (N,N)-isogenies between fast Kummer surfaces which complements existing works based on the theory of theta functions. We use this framework to produce explicit formulae for the case of N = 3, and show that the resulting algorithms are more efficient than all prior (3,3)-isogeny algorithms.
case eprint report explicit fast framework functions real report theory theta
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