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Design of Programmable and Configurable Elliptic Curve Cryptosystem Coprocessor  

Lee Jee-Myong (School of Electronic Engineering Soongsil University)
Lee Chanho (School of Electronic Engineering Soongsil University)
Kwon Woo-Suk (School of Electronic Engineering Soongsil University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.42, no.6, 2005 , pp. 67-74 More about this Journal
Abstract
Crypto-systems have difficulties in designing hardware due to the various standards. We propose a programmable and configurable architecture for cryptography coprocessors to accommodate various crypto-systems. The proposed architecture has a 32 bit I/O interface and internal bus width, and consists of a programmable finite field arithmetic unit, an input/output unit, a register file, and a control unit. The crypto-system is determined by the micro-codes in memory of the control unit, and is configured by programming the micro-codes. The coprocessor has a modular structure so that the arithmetic unit can be replaced if a substitute has an appropriate 32 bit I/O interface. It can be used in many crypto-systems by re-programming the micro-codes for corresponding crypto-system or by replacing operation units. We implement an elliptic curve crypto-processor using the proposed architecture and compare it with other crypto-processors
Keywords
타원 곡선;암호화 프로세서;유한체 연산;가변 비트 곱셈기;마이크로 코드;
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