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Supersingular isogeny search

Construct an explicit isogeny between two supersingular elliptic curves.

F_p-rational curves · quantum · GRH

Quantum isogeny construction between F_p-rational supersingular curves

1 results · 1 papers
QuantumConditional on GRHBoth curves defined over F_pLp[1/2,c]
#PUBLICATION / AUTHORSDATETIME BOUNDSPACE BOUNDEVIDENCE
1A quantum algorithm for computing isogenies between supersingular elliptic curvesJean-François Biasse · David Jao · Anirudh SankarIndocrypt 2014SourceBibTeX / details2014Lp[1/2, sqrt(3)/2]Not stated in the checked sourcePublishedSource checked
Comparison definition & assumptions
Regime
Quantum isogeny construction between F_p-rational supersingular curves
Computation
Quantum
Rigor
Conditional on GRH
Instances
Both curves defined over F_p
Cost scale
L_p[1/2,c]
Parameter
p
Description
Quantum isogeny construction between F_p-rational supersingular curves
Comparison rules
L_p[α,c]=exp((c+o(1))(ln p)^α(ln ln p)^{1−α}). Compare c only at fixed α=1/2. This easier commutative-action case is not general supersingular isogeny search.
Tags
F_p rational, quantum, GRH