【摘要】 随着电子商务的发展,其安全性问题越来越受到人们的关注。本文就电子商务系统的各个安全性层次,介绍了常用的一些安全策略:防火墙技术、数字签名和数字证书。更多还原

【Abstract】 With the development of Electronic Commerce,its security problem draws more and more people’s attention. The paper introduces some popular security techniques including firewall, digital signature and digital certificate, according to the security levels of the Electronic Commerce system.更多还原