当今Intranet环境中的信息安全问题非常突出,而数字签名技术在保证数据的完整性、私有性和不可抵赖性方面起着极为重要的作用。结合工作实际经验,本文首先阐述了数字签名的基本概念,其次论述了数字签名的工作流程及其与加密技术的结合,最后介绍了数字签名技术在Internet上建立信息安全机制,可供同行参考。 Today’s information security in intranet environment is very serious, and digital signature technology plays an extremely important role in ensuring the integrity, privacy and non-repudiation of data. Combined with practical experience, this paper first describes the basic concepts of digital signatures, then discusses the digital signature workflow and its combination with encryption technology, and finally introduces the digital signature technology to establish information security mechanism on the Internet for peer reference.