Random grid-based visual secret sharing with multiple decryptions

被引：22

作者：

Yan, Xuehu ^{[1
]}

Wang, Shen ^{[1
]}

Niu, Xiamu ^{[1
]}

Yang, Ching-Nung ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Comp Sci & Technol, Harbin 150080, Peoples R China

[2] Natl Dong Hwa Univ, Dept CSIE, Hualien 974, Taiwan

来源：

JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION | 2015年 / 26卷

基金：

中国国家自然科学基金;

关键词：

Visual cryptographic scheme; Visual secretsharing; Progressive visual secret sharing; Random grids; Loss less recovery; Pixel expansion; Threshold; Multiple decryptions; IMAGE ENCRYPTION; CRYPTOGRAPHY;

D O I：

10.1016/j.jvcir.2014.11.003

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Visual cryptographic scheme (VCS) with multiple decryptions has the features of both OR-based VCS (OVCS) and XOR-based VCS (XVCS), which can be applied in wider applications. In this paper, a threshold VCS with the abilities of OR and XOR decryptions is proposed based on random grids CRC). If a copy machine is not available, the secret could be reconstructed by stacking. On the other hand, if a device having XOR operation is available, the visual quality of the recovered secret image is improved as well as the secret can be reconstructed losslessly for (k, n) threshold (case) when n shares are collected. Experiments are conducted to evaluate the security and efficiency of the proposed scheme. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：94 / 104

页数：11

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