With the development of mobile communication technology, the trend of E-Business extension from wired environment to wireless environment has appeared. Although the aspect of M-Commerce application is broad, it still has lots of problems to be solved. The most important problem is security. All M-Commerce services must be implemented on a secure and reliable platform. The mobile platform security has become the main factor, which determines the development of M-Commerce. Transplanting the method which solves security problems of wired environment to wireless environment is an efficient idea. WPKI is a new technology, which used to ensure the security of M-Commerce recently. It developed from wired PKI, namely WPKI is a security mechanism which providing the security service liking wired PKI in wireless environment, it renews properly and optimizes reasonably under the current wired PKI mechanism to accord with characteristic of mobile communication.
By studying WPKI system in the Mobile Electronic Commerce, we can enrich the cognition of WPKI, improve and perfect its performance in practice. The ultimate goal is to establish a more efficient and safer network platform for Mobile Electronic Commerce.
【Key Words】 Mobile Electronic Commerce; Security Technology; WPKI