一种DCT鲁棒多媒体认证方案

The Seventh Australian and New Zealand Intelligent Information Systems Conference, 2001 Pub Date : 1900-01-01 DOI:10.1109/ANZIIS.2001.974049

Dequan Li, D. Feng

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引用次数: 2

摘要

本文分析了Lisa M. Marvel et al.(2000)的一种脆弱水印算法，并指出了其中的一个安全漏洞。然后，我们证明，只要验证器是由像素值构造的，脆弱的水印就不能在DCT压缩中幸存下来。在此基础上，提出了一种新的算法，该算法克服了Lisa M. Marvel等人的方法存在的严重安全漏洞和实现缺陷。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A DCT robust multimedia authentication scheme

In this paper, we analyze a fragile watermark algorithm of Lisa M. Marvel et al. (2000) and show a security weakness therein. We then show that a fragile watermark could not survive DCT compression as long as the authenticator is constructed from pixel values. After that, a new algorithm is presented, which gets rid of the severe security weakness and the implementation flaw of Lisa M. Marvel et al.'s method.

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来源期刊

The Seventh Australian and New Zealand Intelligent Information Systems Conference, 2001

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