一种防止协同作弊的可视化密码方案

2010 Third International Conference on Information and Computing Pub Date : 2010-06-04 DOI:10.1109/ICIC.2010.310

Bin Yu, Jin-yuan Lu, Liguo Fang

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引用次数: 13

摘要

参与者串通是欺诈者检测视觉密码方案中的一个重要问题。提出了一种基于可信第三方的联合防作弊视觉密码方案(CCPVCS)。通过设计专门的验证股，同时验证多股的真实性，提高了验证效率。由于该方案思想不同于以往的方案，像素扩展小，恢复的秘密图像具有良好的观赏性。

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A Co-cheating Prevention Visual Cryptography Scheme

Participants colluding is an important issue of cheater detectable visual cryptography schemes. Based on a trusty third party, a co-cheating prevention visual cryptography scheme (CCPVCS) is proposed in this paper. Checking efficiency is improved by verifying the truth of several shares simultaneously, with designed special verification shares. Since the scheme idea is different from previous ones, the pixel expansion is small and the recovered secret image is good for viewing.

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来源期刊

2010 Third International Conference on Information and Computing

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