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Korea Institute of Electronic Communication Science (한국전자통신학회)
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5-Neighbor Programmable CA based PRNG

프로그램 가능한 5-이웃 CA기반의 PRNG

  • Choi, Un-Sook (School of Artificial Intelligence, Tongmyong University)
  • Received : 2022.02.24
  • Accepted : 2022.04.17
  • Published : 2022.04.30
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Abstract

A pseudo-random number generator (PRNG) is a program used when a large amount of random numbers is needed. It is used to generate symmetric keys in symmetric key cryptography systems, generate public key pairs in public key cryptography or digital signatures, and generate columns used for padding with disposable pads. Cellular Automata (CA), which is useful for specific representing nonlinear dynamics in various scientific fields, is a discrete and abstract computational system that can be implemented in hardware and is applied as a PRNG that generates keys in cryptographic systems. In this paper, I propose an algorithm for synthesizing a programmable 5-neighbor CA based PRNG that can effectively generate a nonlinear sequence using 5-neighbor CA with the radius of the neighboring cell increased by 2.

의사난수 생성기(PRNG)는 많은 양의 난수가 필요할 때 사용되는 프로그램이다. 대칭 키 암호시스템에서 대칭 키를 생성, 공개 키 암호나 디지털 서명에서 공개 키 쌍의 생성, 일회용 패드로 패딩에 사용되는 열을 생성하는 데 사용한다. 다양한 과학 분야에서 비선형 동역학계를 구체적으로 표현하는데 유용한 셀룰라 오토마타(CA)는 이산적이고 추상적인 계산 시스템으로 하드웨어 구현이 가능하여 암호시스템에서 키를 생성하는 PRNG로 응용되고 있다. 본 논문에서는 이웃 셀의 반경을 2로 증가한 5-이웃 CA를 이용하여 비선형 수열을 효과적으로 생성할 수 있는 프로그램 가능한 5-이웃 CA기반의 PRNG를 합성하는 알고리즘을 제안한다.

Keywords

Acknowledgement

이 연구는 Tongmyeong University Research Grants 2021(2021A025)의 지원에 의한 것임.

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