With the rapid development of Information Technology, Electronic Commerce has become a new way for people to pursue commerce. But at the same time, the security problem of Electronic Commerce is becoming more and more obvious, and the first defense of Electronic Commerce security is identity authentication, so the thesis mainly analyzes and probes the technologies of identity authentication.
Firstly, this thesis introduces and analyzes the main demand of security and structure of Electronic Commerce, and expounds the significance of identity authentication in Electronic Commerce. Secondly, it analyzes and probes the current state of identity authentication deeply, then sorts it and finds security leakage and deficiency. Lastly, the thesis gives a new solution to the identity authentication, namely double network dynamic identity authentication, and designs an EC identity authentication mode that uses current mobile communications network, and analyzes the security of this mode, and raises some improvement.
