Electronic Seal System Based on PKI and Digital Watermarking
Xiang Yuan-ping · Computer Era · 2009
Combining with PKI and multi-layer digital watermarking technology,a kind of new electronic seal system is brought up.The system has effectively solved a series of safety problems such as electronic document protected against tampering and copying.Then the electronic seal system and its key technologies of multi-layer watermarking,etc.are discussed in detail.Finally,some ideas for the research of electronic seal are put forward.