한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

  • 제39B권5호
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  • Pages.317-322
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  • 2014
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  • 1226-4717(pISSN)
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  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지
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블록 암호 연산 모드 RBF(Random Block Feedback)의 알려진/선택 평문 공격에 대한 안전성 비교 분석

Safety Comparison Analysis Against Known/Chosen Plaintext Attack of RBF (Random Block Feedback) Mode to Other Block Cipher Modes of Operation

  • 투고 : 2014.04.07
  • 심사 : 2014.04.23
  • 발행 : 2014.05.31
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⟨ 이전 논문 다음 논문 ⟩

초록

데이타 보안과 무결성은 유무선 통신 환경에서 데이터 전송 시에 중요한 요소이다. 대량의 데이터는 전송 전에, 통상 암호 연산 모드를 이용한 블록 암호 알고리즘에 의하여 암호화된다. ECB, CBC 등의 기존 연산 모드 외에 블록 암호 연산 모드로 RBF 모드가 제안된 바 있다. 본 논문에서는, 알려진 평문 공격 (known plaintext attack) 및 선택 평문 공격 (chosen plaintext attack)에 대한, RBF 모드의 안전성을 기존 모드들과 비교 분석한 내용을 소개한다. 분석 결과, 기존의 연산 모드들이 알려진/선택 평문 공격에 취약한데 반하여, RBF 모드는 이들 공격에 안전함을 알 수 있었다.

Data security and integrity is a critical issue in data transmission over wired/wireless links. A large amount of data is encrypted before transmission, by block cipher using mode of operation. RBF mode is a block cipher mode of operation which uses random characteristics. In this paper, we analyze the safety against known plaintext attack and chosen plaintext attack of RBF mode compared to the traditional modes. According to the analysis, RBF mode is known to be secure while the traditional modes are not secure against them.

키워드

참고문헌

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