【摘要】 数字水印是一种有效的数字作品版权保护和数据安全维护技术本文探讨了开放网络环境中基于公钥密码体制的一种新的安全数字水印应用策略该策略确保信息传输的保密性,数据交换的完整性,发送信息的不可否认性,交易者身份的确定性,实现数字作品在网络中发布时的版权保护和非法复制,适应开放网络环境中数字水印应用的高可靠性和高安全性更多还原

【Abstract】 Digital watermarking,as an effective way to protect the copyright of digital works and maintain data security,has been accept widely in open net situation.Based on public-key code system,this paper discussed an entirely new strategy to apply security digital watermarking.This stractgy can ensure secrecy of information transmission,integrality of data exchange,irreversibility of transferred information,and authenticity of bargainer,which protect the copyright of digital works promulgated in net and inhabit illegal copy.Meantime,this strategy meets the requirements of open net system for high dependability and security.更多还原