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Extended visual cryptography schemes

被引：16
|
作者：
Klein, Andreas [1 ]
Wessler, Markus [1 ]
机构：
[1] Univ Kassel, Fachberich Math & Informat, D-34132 Kassel, Germany
来源：
INFORMATION AND COMPUTATION | 2007年 / 205卷 / 05期
关键词：
D O I：
10.1016/j.ic.2006.12.005
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Visual cryptography schemes have been introduced in 1994 by Naor and Shamir. Their idea was to encode a secret image into n shadow images and to give exactly one such shadow image to each member of a group P of n persons. Whereas most work in recent years has been done concerning the problem of qualified and forbidden subsets of P or the question of contrast optimizing, in this paper we study extended visual cryptography schemes, i.e., shared secret systems where any subset of' P shares its own secret. (c) 2007 Published by Elsevier Inc.
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收藏
页码：716 / 732
页数：17
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