Get Advances in Cryptology – ASIACRYPT 2007: 13th International PDF

By Kazumaro Aoki, Jens Franke, Thorsten Kleinjung, Arjen K. Lenstra, Dag Arne Osvik (auth.), Kaoru Kurosawa (eds.)

ISBN-10: 3540768998

ISBN-13: 9783540768999

ASIACRYPT 2007 used to be held in Kuching, Sarawak, Malaysia, in the course of December 2–6, 2007. This was once the thirteenth ASIACRYPT convention, and used to be backed via the foreign organization for Cryptologic examine (IACR), in cooperation with the knowledge safety examine (iSECURES) Lab of Swinburne collage of know-how (Sarawak Campus) and the Sarawak improvement Institute (SDI), and used to be ?nancially supported by way of the Sarawak govt. the final Chair used to be Raphael Phan and that i had the privilege of serving because the software Chair. The convention acquired 223 submissions (from which one submission used to be withdrawn). each one paper used to be reviewed by means of at the least 3 individuals of this system Committee, whereas submissions co-authored by way of a software Committee member have been reviewed through at the least ?ve individuals. (Each laptop member might put up at so much one paper.) Many high quality papers have been submitted, yet as a result of the fairly small quantity that can be authorised, many first-class papers needed to be rejected. After eleven weeks of reviewing, this system Committee chosen 33 papers for presentation (two papers have been merged). The complaints comprise the revised models of the authorized papers. those revised papers weren't topic to editorial evaluation and the authors undergo complete accountability for his or her contents.

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Extra resources for Advances in Cryptology – ASIACRYPT 2007: 13th International Conference on the Theory and Application of Cryptology and Information Security, Kuching, Malaysia, December 2-6, 2007. Proceedings

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Thom´e circa 300, 000 prime ideals). For S = 250 , the polynomial selection program 4 returned the quartic candidate10 f (x) = i=0 ai xi where: a4 a3 a2 a1 a0 = 8 = 5451802006688119 = - 7344893341388732622814165470437 = 833050630351576525584507524542841090670386803 = - 80690902433251999116158516330020702292190401223994350445959 We worked in K = Q[x]/f and counted 295, 842 prime ideals of degree one (or dividing the leading coefficient) in K’s integer ring. 4 GHz and Intel Core-2 at various clock speeds.

Notes on Isomorphisms. If d = dc4 then the curve x2 + y 2 = 1 + dx2 y 2 is isomorphic to the curve x2 +y2 = c2 (1+dx2 y2 ): simply define x = cx and y = cy. In particular, if k is a finite field, then at least 1/4 of the nonzero elements of k are 4th powers, so d/d is a 4th power for at least 1/4 of the choices of d ∈ k − {0}; the smallest qualifying d is typically extremely small. But for computational purposes we do not recommend minimizing d as a general strategy: a small c is more valuable than a small d.

Bernstein and T. Lange Introduction The core operations in elliptic-curve cryptography are single-scalar multiplication (m, P → mP ), double-scalar multiplication (m, n, P, Q → mP + nQ), etc. Miller, in his Crypto ’85 paper introducing elliptic-curve cryptography, proposed carrying out these operations on points represented in Jacobian form: “Each point is represented by the triple (x, y, z) which corresponds to the point (x/z 2 , y/z 3)” on a curve y 2 = x3 + a4 x + a6 . See [37, page 424]. One can add two points using 16 field multiplications, specifically 11M + 5S, with the fastest algorithms known today; here we keep separate tallies of squarings S and general multiplications M.

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Advances in Cryptology – ASIACRYPT 2007: 13th International Conference on the Theory and Application of Cryptology and Information Security, Kuching, Malaysia, December 2-6, 2007. Proceedings by Kazumaro Aoki, Jens Franke, Thorsten Kleinjung, Arjen K. Lenstra, Dag Arne Osvik (auth.), Kaoru Kurosawa (eds.)


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