The network provider and authentication of the telecommunication subscriber for the business partner and utilization null service of the open key pair in the terminal for

摘要

It efficiently authenticates very much and the relationship of the n:m that checks in of authorization can arrive service with the communication terminal (1) of the method for the permission of user, thus the proof of identity (10) of at least one certificate is obtained in telecommunications network access device (4) (3) from communication terminal (1), then NMT (5) authenticated with equipment (7) check whether the certificate gives that identity counts can be from complementary certificate with positive status or special authorization. Above situation, secret session key should (for example) be sent to (15) to access device (4) and equally send (15,16) to communication terminal (1,2), coding at least public key. Access device (4) then activates and the telecommunication user of corresponding policy permissions.