A variant of Pollard's Rho method for the ECDLP over a field of characteristic two
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Creator 1. Aekachai Nakhong
2. Bhichate Chiewthanakul
Title A variant of Pollard's Rho method for the ECDLP over a field of characteristic two
Publisher Faculty of Engineering, Khon Kaen University
Publication Year 2559
Journal Title KKU Engineering Journal
Journal Vol. 43
Journal No. S3
Page no. 412-415
Keyword Elliptic curve, Pollard's Rho, ECDLP, Characteristic two
ISSN 0125-8273
Abstract The security of the elliptic curve cryptography (ECC) depends on the inability to compute the multiplicand given the original and product points. The problem to find this multiplicand is called the elliptic curve discrete logarithm problem (ECDLP). The baby-step giant-step algorithm is a generic algorithm that can be applied for ECDLPs. The running time of this algorithm and the space complexity are O(?Eord), where Eord is group order. This paper shows how to apply Pollard's Rho Method to solve the same ECDLPs which has about the same running time as the baby-step giant-step algorithm, but only a small memory requirement.
KKU Engineering Journal

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