Patent ID: 8595485

Claim:
A security management method for a WAPI terminal accessing an IP multimedia subsystem (IMS) network, the method comprising: sending, by an authentication service unit (ASU), responsive to an access point and the WAPI terminal passing the verification of the ASU, a security information request message to a home subscriber server (HSS), wherein the security information request message carries IMS account information of the WAPI terminal; setting, by the HSS, security information corresponding to the IMS account information of the WAPI terminal as access layer security configuration information after receiving the security information request message from the ASU; and receiving, by a proxy-call session control function (P-CSCF), an IMS login request message from the WAPI terminal, inquiring about the security information of the WAPI terminal through the HSS, and allowing the WAPI terminal to execute an IMS service flow responsive to the security information of the WAPI terminal being the access layer security configuration information.