【摘要】 本文主要介绍了一种结合PKI技术和数字水印技术的电子印章设计方案。方案中使用PKI分配成对的密钥来完成电子印章的嵌入和提取验证。对电子印章的制作、注册、论证等一系列过程进行了详细的设计。这个解决方案将会大大提高电子文档的安全性。更多还原

【Abstract】 This paper mainly introduces a scheme of Electronic Seal Based on PKI and Digital Watermark. The keys allotted in pairs by PKI decided the embedding and extracting processes of the watermarking and seal. The method and step of electronic seal, such as facture, registration, usage, authentication, and so on, are designed in detail. This scheme will enhance the security of the elec- tronic document.更多还原