지금까지 연구된 패스워드 기반 인증 키 공유 프로토콜에 대한 제안은 대부분이 증명 가능한 안전성 논의에 초점이 맞추어져 있었다. 하지만 모바일(mobile) 환경과 같은 실제적인 환경에서는 안전성만큼이나 효율성은 매우 중요한 논의사항이다. 본 논문에서는 랜덤 오라클(random oracle) 모델에서 안전성이 증명된 PAK[1]의 효율성에 대해 논의한다. PAK을 구성하는데 쓰이는 4개의 해쉬 함수 H_i ~(1<=i<=4)
KSP Keywords
Random Oracle
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