摘要
结合PKI和多层数字水印技术给出了一种新的电子签章系统。有效地解决了电子公文防篡改、防复制等一系列安全问题。同时对该电子签章系统及其多层水印等关键技术进行了详细的论述。最后对电子签章的研究提出了一些想法。
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.
出处
《计算机时代》
2009年第12期21-23,共3页
Computer Era
关键词
PKI
数字水印
电子签章
信息安全
PKI
digital watermarking
electronic seal
information security
