Anonymous Fingerprinting with Direct Non-repudiation
Anonymous Fingerprinting with Direct Non-repudiation
复制标题
具有直接不可否认性的匿名指纹识别
DOI：
10.1007/3-540-44448-3_31
复制
发表时间：
2000
期刊：
影响因子：
--
通讯作者：
A. Sadeghi
中科院分区：
文献类型：
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作者：
B. Pfitzmann;A. Sadeghi
指纹识别方案通过使数据项的商家能够识别重新分发副本的原始买家来支持版权保护。在非对称方案中，商人也可以让仲裁者相信这一事实。匿名指纹识别方案允许买家匿名购买数字产品；但是，如果它们分发数据项，则可以进行标识。在本文中，我们提出了一种具有直接不可抵赖性的同等效率的匿名指纹方案。我们使用的主要技术，延迟可验证加密，与托管现金系统中的硬币跟踪有关。但是，在技术上存在差异，主要是要提供一个不可伪造的链接到许可条件。
Fingerprinting schemes support copyright protection by enabling the merchant of a data item to identifythe original buyer of a redistributed copy. In asymmetric schemes, the merchant can also convince an arbiter of this fact. Anonymous fingerprinting schemes allow buyers to purchase digital items anonymously; however, identification is possible if theyre distribute the data item.In this paper, we present an equallyefficient anonymous fingerprinting scheme with direct non-repudiation. The main technique we use, delayed verifiable encryption, is related to coin tracing in escrowed cash systems. However, there are technical differences, mainlyt to provide an unforgeable link to license conditions.