一、电子贸易和Internet安全性要求 Internet正成为电子贸易的重要手段。但由于Internet灵活、松散的体系结构,其安全性管理能力很差,网络上存在着非授权访问,信息的非正当泄漏、修改和保留等。电子贸易对Internet的安全性和保密性提出了严格的要求。 由于对安全性的攻击遍及从用户计算机到服务提供系统以及两者间通信网络等整个网络系统,因而安全测量也需要顾及整个系统。本文仅讨论应用于计算 First, e-commerce and Internet security requirements The Internet is becoming an important means of e-commerce. However, due to the flexible and loose architecture of the Internet, its security management capabilities are poor. There are unauthorized access to networks, improper disclosure of information, modification and retention of Internet. E-commerce places stringent requirements on the security and confidentiality of the Internet. As security attacks spread throughout the network from the user’s computer to the service provider’s system and the communications network between the two, safety measures need to be taken into account throughout the system. This article discusses only the calculation used