To ensure security of electronic commerce,an electronic certification center should be est

ablished.DTo ensure security of electronic commerce,an electronic certification center should be established.Digital ID is trusted to validate identity.Digital ID is trusted to a third party,namely,an authorized agency,to release,including identifying information of the holder（）,an inscriptive key for common use by the both parties,period of validity,password and identification information of the authorized agency,etc.Wjth digital ID,both parties in transactions can be assured of identifying the other party and validate that the information sent out from the other party has not been subject to alteration.