【摘要】 随着网上电子商务的飞速发展,数字产品的版权保护和盗版跟踪日益成为一个迫切需要解决的问题。数字水印技术是保护数字产品版权的一个潜在解决方案。该文分析了在买卖交易中,数字产品提供者、购买者、水印认证中心的责任和要求,设计了一个基于数字水印的买卖交易协议,该协议防止了水印被盗用的可能性,并保证了数字产品提供者及购买者双方的权益。更多还原

【Abstract】 The continuous growth of electronic commerce prompts the importance of studying the issues of digital rights protection and piracy detection.Digital watermarking is a potential solution to the property protection for digital contents.In this paper,the requirements of digital content provider,buyer and watermarking certification authentication are analyzed at first and then a buyer-seller watermarking protocol is designed.The new protocol effectively excludes any possibilities of stealing watermarks and also protects the rights of content provider and buyer at one time.更多还原