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SHARK — A Realizable Special Hardware Sieving Device for Factoring 1024-bit Integers

By Jens Franke, Thorsten Kleinjung, Christof Paar, Jan Pelzl, Christine Priplata and Colin Stahlke

Abstract

Abstract. Since 1999 specialized hardware architectures for factoring numbers of 1024 bit size with the General Number Field Sieve (GNFS) have attracted a lot of attention ([Ber], [ST]). Concerns about the feasibility of giant monolytic ASIC architectures such as TWIRL have been raised. Therefore, we propose a parallelized lattice sieving device called SHARK, which completes the sieving step of the GNFS for a 1024-bit number in one year. Its architecture is modular and consists of small ASICs connected by a specialized butterfly transport system. We estimate the costs of such a device to be less than US $ 200 million. Because of the modular architecture based on small ASICs, we claim that this device can be built with today’s technology

Topics: integer factorization, GNFS, lattice sieving, RSA 1024 bit, special
Publisher: Springer-Verlag
Year: 2013
OAI identifier: oai:CiteSeerX.psu:10.1.1.363.1549
Provided by: CiteSeerX
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