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在互联网上进行文件传输、电子邮件商务往来存在许多不安全因素,这种不安全性是互联网存在基础——TCP/IP协议所固有的,包括一些基于TCP/IP的服务,而电子商务已成为潮流,人们可以通过互联网进行网上购物、银行转账等许多商业活动。现在商业贸易、金融财务和其他经济行为中,不少已经以数字化信息的方式在网上流动着。为了解决这一对矛盾在安全的基础上大开这通向世界之门,我们只好选择了数据加密和基于加密技术的数字签名。
There are many unsafe factors in file transfer and e-mail business transactions on the Internet. This insecurity is fundamental to the Internet - inherent in TCP / IP protocols, including some TCP / IP based services, and e-commerce has become The trend, people can make online shopping through the Internet, bank transfer and many other commercial activities. Nowadays many of the commercial trade, financial finance and other economic activities have been flowing online with digital information. In order to solve this contradiction and open the door to the world based on security, we have to choose the data encryption and digital signature based on encryption technology.