Research on Public-Key Digital Watermarking System

摘要：

Digital watermarks are signals embedded in multimedia data to allow copyright enforcement or to distinguish copies of the document and its still a novel study area. While a public-key watermarking system allows two parties who have never met or exchanged a secret to send hidden messages over a public channel so that an adversary cannot even detect that these hidden messages are being send, and in copyright protection, everybody who owns the public key can detect and verify the authenticity of watermarking information but cant alternate or remove it In this work, we propose a public-key watermarking method, where combined a public/private key cryptographic method with a digital watermarking technique together, which is suitable for protection of the copyright as a fragile watermarking method. The embedding method based on wavelet transform and RSA encryption algorithm. The use of a public/private key cryptographic system guarantees anybody with the public-key can detect the embedding information. So it can be used for copyright protection of DVD system and other digital works.

关键词： Digital Watermarking Public Key RSA Copyright Protection

作者: Qingmei Wang Fengyan Sun Fengyu Liu

作者单位: National Center for Materials Service Safety University of Science and Technology Beijing Beijing, C Department of Computer Science and Technology Nanjing University of Science and Technology Nanjing,

会议类型: 国际会议

会议名称: 2011 International Conference on Information and Computer Networks(ICICN 2011)(2011年信息与计算机网络国际会议)

会议地点: 贵阳

会议语种:英文

页码: 158-162

在线出版日期: 2011-01-26（万方平台首次上网日期，不代表论文的发表时间）