Based on digital signature and digital watermark, an ID - Based electronic seal system is proposed in this paper.
基于数字签名和数字水印技术，提出了一种基于身份的电子印章系统。
A design about authentic CPK electronic seal system encrypted by USB Flash Memory Disk was given first time in this article.
文章首次在国内公开论述了以USB闪存固件为加密载体的不可破解的CPK电子公章系统的设计思想；
Safeguard system is the system which used electronic seal. It is the representative application of embedded Ethernet technology in network instrument.
安防系统即电子封条式安全防护系统，是嵌入式以太网在网络仪表中的典型应用。
Many key security technologies are involved, such as ID authentication, digital signature and transfer encryption, workflow definition, accreditation application, electronic seal and trail trace.
系统开发涉及身份验证、数字签名与传输加密、工作流定义、审批应用、电子签章和痕迹跟踪等关键安全技术。
The effective solution to the issues of signature and seal in online bidding system makes the electronic documents have legal effect and makes the online bidding system have more practical value.
有效地解决在网上招投标系统中电子文稿的签字盖章问题，并使得这些电子文稿具有法律效力，也使得网上招投标系统更具有实际应用价值。
Transmission using electronic stepless speed regulation to apply to choose the speed of aluminum foil seal.
输送采用电子无级调速，以适用于铝箔封口的速度选择。
Transmission using electronic stepless speed regulation to apply to choose the speed of aluminum foil seal.
输送采用电子无级调速，以适用于铝箔封口的速度选择。
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