Yet Another Sieving Device

Willi Geiselmann; Rainer Steinwandt

Paper 2003/202

Yet Another Sieving Device

Willi Geiselmann and Rainer Steinwandt

Abstract

A compact mesh architecture for supporting the relation collection step of the number field sieve is described. Differing from TWIRL, only isolated chips without inter-chip communication are used. According to a preliminary analysis for 768-bit numbers, with a 130 nm process one mesh-based device fits on a single chip of ca. (4.9 cm)^2 - the largest proposed chips in the TWIRL cluster for 768-bit occupy ca. (6.7 cm)^2. A 300 mm silicon wafer filled with the mesh-based devices is about 6.3 times slower than a wafer with TWIRL clusters, but due to the moderate chip size, lack of inter-chip communication, and the comparatively regular structure, from a practical point of view the mesh-based approach might be as attractive as TWIRL.

Metadata

Available format(s): PDF PS
Category: Public-key cryptography
Publication info: Published elsewhere. An abridged version can be found in the proceedings of the RSA Conference 2004, Cryptographers' Track (CT-RSA 04)
Keywords: cryptanalysis factoring RSA
Contact author(s): steinwan @ ira uka de
History: 2003-09-26: received
Short URL: https://ia.cr/2003/202
License: CC BY

BibTeX

@misc{cryptoeprint:2003/202,
      author = {Willi Geiselmann and Rainer Steinwandt},
      title = {Yet Another Sieving Device},
      howpublished = {Cryptology {ePrint} Archive, Paper 2003/202},
      year = {2003},
      url = {https://eprint.iacr.org/2003/202}
}