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Entropy 2017, 19(3), 100; doi:10.3390/e19030100

Normalized Unconditional ϵ-Security of Private-Key Encryption

1
School of Electronics and Communication Engineering, Yulin Normal University, Yulin 537000, China
2
School of Information Science and Engineering, Xiamen University, Xiamen 361005, China
3
School of Mechanical and Electrical Engineering, Guizhou Normal University, Guiyang 550025, China
*
Author to whom correspondence should be addressed.
Academic Editors: Rafael F. Schaefer, Eduard A. Jorswieck and Stefano Tomasin
Received: 12 January 2017 / Revised: 16 February 2017 / Accepted: 1 March 2017 / Published: 7 March 2017
(This article belongs to the Special Issue Information-Theoretic Security)
View Full-Text   |   Download PDF [702 KB, uploaded 7 March 2017]

Abstract

In this paper we introduce two normalized versions of non-perfect security for private-key encryption: one version in the framework of Shannon entropy, another version in the framework of Kolmogorov complexity. We prove the lower bound on either key entropy or key size for these models and study the relations between these normalized security notions. View Full-Text
Keywords: unconditional security; entropy; kolmogorov complexity; private-key encryption unconditional security; entropy; kolmogorov complexity; private-key encryption
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bi, L.; Dai, S.; Hu, B. Normalized Unconditional ϵ-Security of Private-Key Encryption. Entropy 2017, 19, 100.

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