| 摘要 |
An inter-working method of a federated ID in a mobile environment is provided to solve a critical point of a dispersed ID management by expanding the federated ID inter-working function in the mobile environment. An inter-working method of a federated ID in a mobile environment includes the steps of: transmitting a service request message, which is transmitted to request a service from a mobile communication terminal to first SP server, to the first SP server through a WAP(Wireless Application Protocol) gateway(S10,S11); if the service request message is transmitted, at the first SP server, transmitting an authentication request message for requesting an authentication to an IdP server(S12); if the authentication request message is transmitted, performing the authentication, and if the authentication is successful, transmitting an authentication response message having an authentication token to the first SP server(S13); receiving the authentication response message, identifying and authenticating the authentication token, and transmitting the service response message to the WAP gateway(S14); if the service response message is transmitted, extracting the authentication token, mapping the extracted authentication token with a phone number of the mobile communication terminal, and transmitting the service response message to the mobile communication terminal(S15); transmitting the service request message to the WAP gateway to request a service from the mobile communication terminal to the second SP server(S16); transmitting a service request message to the second SP server(S17); and transmitting the service response message to the mobile communication terminal through the WAP gateway(S18).
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