4CHEUNG SC, CUREEM H, CHIU DKW. A Watermarking Infrastructure for Enterprise Document Management[ A]. proceedings of the 36th Hawaii International Conference of System Science[ C], 2003.
5COX I, MILLER M, BLOOM J. Digital Watermarking[ M]. Morgan Kaufmann Publishers, 2002.
3ITU - T Recommendation X. 5 0 9. ISO/IEC95 94 - 8 Information Technology-Open System Intereonneetion-The Directory: Public Key and Attribute Certificate Frameworks[ Z], 2001.
4Farrell S, Housley R. An Internet Attribute Certificate Profile for Authorization[S]. RFC 3281, IETF, 2002.
6Cheung S C,Chiu D K W.A Watermarking Infrastructure for Enterprise Document Management. Proceedings of the 36th Hawaii International Conference on System Sciences, CD-ROM / Abstracts Proceedings,ISBN 0-7695-1874-5 - Track 4, 2003
7Griswold G N. A Method for Protecting Copyright on Networks. Joint Harvard MIT Workshop on Technology Strategies for Protecting Intellectual Property in the Networked Multimedia Environment, 1993-04
8Low S H, Maxemchuk N F, Lapone A. Document Identification for Copyright Protection Using Centroid Detection. IEEE Transactions on Communications, 1998, 46(3): 372-383
9Memon N, Wong P. A Buyer-Seller Watermarking Protocol. IEEE Transactions on Image Processing, 2001, 10(4):643-649
10Popek G J, Kline C S. Encryption and Secure Computer Networks.ACM Computing Surveys, 1979, 11 (4): 331-356
