Exploiting isogeny cordillera structure to obtain cryptographically good elliptic curves
Sadornil Renedo, Daniel
Tena Ayuso, Juan
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The security of most elliptic curve cryptosystems is based on the intractability of the Elliptic Curve Discrete Logarithm Problem (ECDLP). Such a problem turns out to be computationally unfeasible when elliptic curves are suitably chosen. This paper provides an algorithm to obtain cryptographically good elliptic curves from a given one. The core of such a procedure lies on the usage of successive chains of isogenies, visiting different volcanoes of isogenies which are located in different l–cordilleras.
Is part ofJournal of Research and Practice in Information Technology, 2008, vol. 40, núm. 4, p. 263-273
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