Visual secret sharing with cheating prevention revisited

Authors:
Yu-Chi Chen;Du-Shiau Tsai;Gwoboa Horng
Affiliations:
Department of Computer Science and Engineering, National Chung Hsing University, Taiwan;Department of Information Networking Technology, Hsiuping University of Science and Technology, Taiwan;Department of Computer Science and Engineering, National Chung Hsing University, Taiwan
Venue:
Digital Signal Processing
Year:
2013

Citing 17
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Abstract

Visual secret sharing (VSS) is a variant form of secret sharing, and is efficient since secret decoding only depends on the human vision system. However, cheating in VSS, first showed by Horng et al., is a significant issue like a limelight. Since then, plenty of studies for cheating activities and cheating prevention visual secret sharing (CPVSS) schemes have been introduced. In this paper, we revisit some well-known cheating activities and CPVSS schemes, and then categorize cheating activities into meaningful cheating, non-meaningful cheating, and meaningful deterministic cheating. Moreover, we analyze the research challenges in CPVSS, and propose a new cheating prevention scheme which is better than the previous schemes in the aspects of some security requirements.