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Title: Multi-core Curve-based Cryptoprocessor with Reconfigurable Modular Arithmetic Logic Units over GF(2^n)
Authors: Sakiyama, Kazuo ×
Batina, Lejla
Preneel, Bart
Verbauwhede, Ingrid #
Issue Date: 2007
Publisher: IEEE
Series Title: IEEE Transactions on Computers vol:56 issue:9 pages:1269-1282
Abstract: This paper presents a reconfigurable curve-based cryptoprocessor that accelerates scalar multiplication of Elliptic Curve Cryptography (ECC) and HyperElliptic Curve Cryptography (HECC) of genus 2 over GF(2(n)). By allocating alpha copies of processing cores that embed reconfigurable Modular Arithmetic Logic Units (MALUs) over GFd(2(n)), the scalar multiplication of ECC/HECC can be accelerated by exploiting Instruction-Level Parallelism (ILP). The supported field size can be arbitrary up to alpha(n + 1) - 1. The superscaling feature is facilitated by defining a single instruction that can be used for all field operations and point/divisor operations. In addition, the cryptoprocessor is fully programmable and it can handle various curve parameters and arbitrary irreducible polynomials. The cost, performance, and security trade-offs are thoroughly discussed for different hardware configurations and software programs. The synthesis results with a 0.13-mu m CMOS technology show that the proposed reconfigurable cryptoprocessor runs at 292 MHz, whereas the field sizes can be supported up to 587 bits. The compact and fastest configuration of our design is also synthesized with a fixed field size and irreducible polynomial. The results show that the scalar multiplication of ECC over GF(2(163)) and HECC over GF(2(83)) can be performed in 29 and 63 mu s, respectively.
ISSN: 0018-9340
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Electrical Engineering - miscellaneous
ESAT - COSIC, Computer Security and Industrial Cryptography (+)
× corresponding author
# (joint) last author

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