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。
Many key security technologies are involved, such as ID authentication, digital signature and transfer encryption, workflow definition, accreditation application, electronic seal and trail trace.
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。
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。
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.
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