The arithmetic bases on the digital seal system. By embedding visible watermarking to the seal image, improving the ability of the seal image to hide information, and obtained good result.
该算法基于电子签章系统，通过在印章图像中嵌入可见数字水印提高印章图像隐藏信息的能力，得到了较好的效果。
Together, these two objects let you seal and sign serialized data without having to stress about the details of digital signature verification or encryption.
结合使用这两种对象，便可以轻松地对序列化数据进行密封和签名，而不必强调关于数字签名验证或加密的细节。
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。
The main content of authentication system is digital signature, which is a legal replacement for handwritten signature and seal and is used to sign files.
数字签名是认证系统的主要内容，它解决了如何远距离地、迅速地用电子签名代替传统的手写签名和印章的问题。
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 Research and Implementation of Electrical Seal System Based on Digital Signature;
如果文件已有数字签名，则会被新的签名改写。
The Research and Implementation of Electrical Seal System Based on Digital Signature;
如果文件已有数字签名，则会被新的签名改写。
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