User authentication method and device based on mobile terminal smart card
A mobile terminal, user authentication technology, applied in the field of communication, can solve the problem of lack of IMS voice service authentication process and other problems
Active Publication Date: 2018-04-24
BEIJING SOSHARE MOBILE NETWORK TECH
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Problems solved by technology
[0003] However, when the mobile terminal under this system performs data and voice communication, the existing smart card of the mobile terminal lacks the authentication process to support the IMS voice service based on the IP network
Method used
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Embodiment Construction
[0029] figure 1 It is a schematic flowchart of Embodiment 1 of the user authentication method based on the smart card of the mobile terminal in the present invention, and the execution subject of this embodiment is the mobile terminal. The mobile terminal in this embodiment can be various user terminals, and the user terminal can use an IP network, or the user terminal has a WiFi function, and uses an IP network through a wireless local area network, or the user terminal is based on packet switching (Packet Switch, referred to as PS) domain for data transmission, where GGSN is a device specific to the packet domain. GGSN is a General Packet Radio Service (GPRS) gateway support node. GGSN can be understood as a gateway connecting the GPRS network and the external IP network. GGSN provides routing and encapsulation of data packets between the Wideband Code Division Multiple Access (WCDMA) mobile network and the external IP network. The main function of GGSN is the interface fun...
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The present invention provides a user authentication method and device based on a mobile terminal smart card, the method comprising: extracting an International Mobile Subscriber Identity (IMSI) from the smart card, and sending a registration response message to an authentication server through an IP network, the registration response message The IMSI is carried in the IMSI, so that the authentication server obtains the location area identification code LAI corresponding to the IMSI from the mobile communication network; the authentication request message sent by the authentication server through the IP network is received, and the authentication request message contains carrying the LAI; generating an authentication key according to the IMSI and the LAI, and authenticating the authentication server according to the authentication key. The user authentication method and device based on the mobile terminal smart card provided by the invention can provide a reliable authentication mechanism compatible with the existing mobile terminal smart card.
Description
technical field [0001] The invention relates to communication technology, in particular to a user authentication method and equipment based on a smart card of a mobile terminal. Background technique [0002] Internet Protocol Multimedia Subsystem (IMS) is a protocol (Internet Protocol, referred to as IP) proposed by the 3rd Generation Partnership Project (3GPP) to support the interconnection between networks. ) subsystem of multimedia services, which is superimposed on the packet switching network, located in the 3G core network, and uses the IP network to be responsible for the multimedia communication in the 3G system. It enables users to use all services provided by the Internet by using the access of the cellular mobile system. [0003] However, when a mobile terminal under the system performs voice data communication, the smart card of the existing mobile terminal lacks an authentication process for supporting the IMS voice service based on the IP network. Contents o...
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IPC IPC(8): H04L29/06H04W12/04H04W12/06
Inventor 何淼
Owner BEIJING SOSHARE MOBILE NETWORK TECH