关键词：电子商务，安全协议，SSL、SET,3D—Secure
Abstract
Text Along with the electronic commerce fast development, its payment question prepares continuously is paid attention.People each kind of payment question which appears in view of the network in, proposed all sorts of countermeasures.Among them, SSL, SET are at present receive the affirmation and apply most two kind of security protocols, but in 2001 VISA proposed uses to substitute SET 3D-Secure also to start to bring to everybody attention, therefore, I conducted the research to these three kind of agreements, compared with its respective characteristic and the applicable scope, as well as will carry on the discussion to the future electron payment feasible way very much to have the value and the practical significance.
