본 논문에서는 유한체 연산을 바탕으로 하는 타원곡선 암호화 프로세서의 승산기를 효율적으로 구현할 수 있는 구조를 제안한다. 타원곡선 암호알고리즘에 적용된 비도는 193비트로 하드웨어 구현에 유리한 trinomial 다항식을 사용하였다. 제안된 승산기는 trinomial 다항식의 특성을 이용하여 기존의 193bit serial LFSR를 개선한 37bit digit serial 구조를 갖도록 설계하였다. 회로는 합성수준의 VHDL코드와 타원곡선 상에서의 임의의 좌표의 가산식으로부터 만들어진 테스트벡터를 적용하여 기능을 검증하고 회로의 규모를 측정하였다. 검증된 결과는 기존의 LFSR승산기의 30% 면적으로 승산기 구현이 가능하였다
KSP Keywords
Bit Serial
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