KIPS Transactions on Computer and Communication Systems (정보처리학회논문지:컴퓨터 및 통신 시스템)

Korea Information Processing Society (한국정보처리학회)
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Implementation of Optimized 1st-Order Masking AES Algorithm Against Side-Channel-Analysis

부채널 분석 대응을 위한 1차 마스킹 AES 알고리즘 최적화 구현

  • Received : 2019.07.05
  • Accepted : 2019.08.07
  • Published : 2019.09.30
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Abstract

Recently, with the development of Internet technology, various encryption algorithms have been adopted to protect the sensing data measured by hardware devices. The Advanced Encryption Standard (AES), the most widely used encryption algorithm in the world, is also used in many devices with strong security. However, it has been found that the AES algorithm is vulnerable to side channel analysis attacks such as Differential Power Analysis (DPA) and Correlation Power Analysis (CPA). In this paper, we present a software optimization implementation technique of the AES algorithm applying the most widely known masking technique among side channel analysis attack methods.

최근 사물인터넷 기술의 발전과 함께 하드웨어 디바이스에서 측정하는 센싱 데이터를 보호하기 위해 다양한 방식의 암호화 알고리즘을 채택하고 있다. 그 중 전 세계에서 가장 많이 사용하는 암호화 알고리즘인 AES(Advanced Encryption Standard) 또한 강력한 안전성을 바탕으로 많은 디바이스에서 사용되고 있다. 하지만 AES 알고리즘은 DPA(Differential Power Analysis), CPA(Correlation Power Analysis) 같은 부채널 분석 공격에 취약하다는 점이 발견되었다. 본 논문에서는 부채널 분석 공격 대응방법 중 가장 널리 알려진 마스킹 기법을 적용한 AES 알고리즘의 소프트웨어 최적화 구현 기법을 제시한다.

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References

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