The effect of side-information on smooth entropy

Authors:
Bo Yang;Tong Zhang;Changxing Pei
Affiliations:
National Key Laboratory on ISN, Xidian University, Xi'an, Shanxi 710071, People's Republic of China;National Key Laboratory on ISN, Xidian University, Xi'an, Shanxi 710071, People's Republic of China;National Key Laboratory on ISN, Xidian University, Xi'an, Shanxi 710071, People's Republic of China
Venue:
Discrete Applied Mathematics - Discrete mathematics and theoretical computer science (DMTCS)
Year:
2004

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Smooth entropy and Rényi entropy

EUROCRYPT'97 Proceedings of the 16th annual international conference on Theory and application of cryptographic techniques

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Abstract

This paper gives the effect of side-information, obtained by the opponent through an initial reconciliation step, on the size of the secret-key that can be distilled safely by subsequent privacy amplification in unconditionally secure secret-key agreement protocol based on smooth entropy, and obtains the size of the secret-key.