计算机网络安全中的密码技术

计算机网络技术和电子商务的发展对信息系统安全、信息传输安全、信息认证安全、商务交易安全、个人隐私与敏感信息保护、知识产权保护等提出了更高的要求。尽管安全技术涉及的范围十分广泛，但密码技术是各种安全技术的核心。文章综述信息安全技术，特别是密码技术的发展与应用。

The Cryptogram Technology for Computer Network Security

The development of computer network and the explosion of e-business raise more demands of information system security, information transmission security, information authentication security, commerce security, privacy protection and intellectual property right protection. The information security technology relates to a variety of areas, but the cryptogram technology is the core of all security technologies. This paper summarizes the development and applications of information security technologies, especially the cryptogram technology.