Scaler multiplication on elliptic curves by Frobenius expansions

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dc.contributor.authorCheon, JHko
dc.contributor.authorPark, Sko
dc.contributor.authorPark, Cko
dc.contributor.authorHahn, Sang-Geunko
dc.date.accessioned2013-02-27T14:01:28Z-
dc.date.available2013-02-27T14:01:28Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1999-03-
dc.identifier.citationETRI JOURNAL, v.21, no.1, pp.27 - 38-
dc.identifier.issn1225-6463-
dc.identifier.urihttp://hdl.handle.net/10203/68971-
dc.description.abstractKoblitz has suggested to use "anomalous" elliptic curves defined over F-2, which are non-supersingular and allow for efficient multiplication of a point by an integer. For these curves, Meier and Staffelbach gave a method to find a polynomial of the Frobenius map corresponding to a given multiplier. Muller generalized their method to arbitrary non-supersingular elliptic curves defined over a small field of characteristic 2. In this paper, we propose an algorithm to speed up scalar multiplication on an elliptic curve defined over a small field. The proposed algorithm uses the same technique as Muller's to get an expansion by the Frobenius map, but its expansion length is half of Muller's due to the reduction step (Algorithm 1). Also, it uses a more efficient algorithm (Algorithm 3) to perform multiplication using the Frobenius expansion. Consequently, the proposed algorithm is two times faster than Mulier's. Moreover, it can be applied to an elliptic curve defined over a finite field with odd characteristic and does not require any precomputation or additional memory.-
dc.languageEnglish-
dc.publisherELECTRONICS TELECOMMUNICATIONS RESEARCH INST-
dc.titleScaler multiplication on elliptic curves by Frobenius expansions-
dc.typeArticle-
dc.identifier.wosid000079123400002-
dc.identifier.scopusid2-s2.0-0032635116-
dc.type.rimsART-
dc.citation.volume21-
dc.citation.issue1-
dc.citation.beginningpage27-
dc.citation.endingpage38-
dc.citation.publicationnameETRI JOURNAL-
dc.contributor.localauthorHahn, Sang-Geun-
dc.contributor.nonIdAuthorCheon, JH-
dc.contributor.nonIdAuthorPark, S-
dc.contributor.nonIdAuthorPark, C-
dc.type.journalArticleArticle-
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