Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Low-area Bit-parallel Systolic Array for Multiplication and Square over Finite Fields

  • Kim, Keewon (Dept. of Applied Computer Engineering, Dankook University)
  • Received : 2020.01.15
  • Accepted : 2020.02.07
  • Published : 2020.02.28
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Abstract

In this paper, we derive a common computational part in an algorithm that can simultaneously perform multiplication and square over finite fields, and propose a low-area bit-parallel systolic array that reduces hardware through sequential processing. The proposed systolic array has less space and area-time (AT) complexity than the existing related arrays. In detail, the proposed systolic array saves about 48% and 44% of Choi-Lee and Kim-Kim's systolic arrays in terms of area complexity, and about 74% and 44% in AT complexity. Therefore, the proposed systolic array is suitable for VLSI implementation and can be applied as a basic component in hardware constrained environment such as IoT.

본 논문은 유한체상의 곱셈과 제곱을 동시에 실행 가능한 알고리즘에서 공통적인 연산 부분을 도출하고, 순차적인 처리를 통해서 하드웨어를 감소시키고 공간면에서 효율적인 비트-병렬 시스톨릭 어레이를 제안한다. 제안한 시스톨릭 어레이는 기존의 어레이에 비해 적은 공간 및 공간-시간 복잡도(area-time complexity)를 가진다. 기존의 구조들과 비교하면, 제안한 시스톨릭 어레이는 공간 복잡도면에서 Choi-Lee, Kim-Kim의 시스톨릭 어레이의 약 48%, 44% 감소되었으며, 공간-시간 복잡도면에서 약 74%, 44% 가량 감소되었다. 따라서 제안한 시스톨릭 어레이는 VLSI 구현에 적합하며 사물인터넷과 같이 하드웨어 제약이 있는 환경에서 기초적인 구성 요소로 적용할 수 있다.

Keywords

References

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