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Method and system for MTC (Machine Type Communication) servers to share key

A shared key and server technology, which is applied in the field of MTC server shared key, can solve problems such as limiting the ability of MTC devices to communicate securely, reducing the efficiency of network resource usage, and achieving the effect of improving usage efficiency

Inactive Publication Date: 2012-07-18
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This limits the ability of MTC devices to communicate securely with multiple MTC servers at the same time, reducing the efficiency of network resource usage

Method used

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  • Method and system for MTC (Machine Type Communication) servers to share key
  • Method and system for MTC (Machine Type Communication) servers to share key
  • Method and system for MTC (Machine Type Communication) servers to share key

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Embodiment

[0075] image 3 It is a schematic diagram of the system architecture for realizing the MTC server shared key in the embodiment of the present invention, such as image 3 As shown, the system includes: MTC equipment (equipment used by users for machine type communication), subscriber identification card (such as UICC, generally installed in MTC equipment), BSF (Bootstrapping Server Function) and MTC server (provides MTC for MTC users business), HSS (Home Subscriber System, user home server). Among them, the BSF and the MTC device implement authentication through the AKA protocol, and negotiate a session key K that is subsequently used for communication between the MTC device and the MTC server NAF , the BSF can set the life cycle of the key according to the local policy; optionally, in the system based on the present invention, the HSS can also save the relationship between different MTC servers, such as saving different Relationship between MTC servers. When the relationshi...

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PUM

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Abstract

The invention discloses a method for MTC (Machine Type Communication) servers to share a key. The method comprises the following steps of: sending request information, which comprises a boot identity B-TID used by an MTC device and a first MTC server right now and a host identity NAF (Network Application Function)-ID1 of the first MTC server, to a second MTC server when security connection is established and security communication is carried out by the MTC device and the first MTC server through a GBA (Generic Bootstrapping Architecture) process; sending an authentication request, which comprises a host identity NAF-ID2, the B-TID and the NAF-ID1 of the second MTC server, to a BSF (Bootstrapping Server Function) by the second MTC server; and generating a session key KNAF according to the B-TID and the NAF-ID1 after the NAF-ID2 and the NAF-ID1 are verified to be effective by the BSF, and sending the session key KNAF to the second MTC server. The invention also correspondingly discloses a system for the MTC servers to share the key. According to the method and the system which are disclosed by the invention, the security communication between the MTC device and multiple MTC servers can be carried out simultaneously, and the use rate of a network resource can be increased.

Description

technical field [0001] The present invention relates to a mobile communication system and a machine type communication (Machine Type Communication, MTC) technology, in particular to a method and a system for MTC servers to share keys. Background technique [0002] MTC refers to the general term for a series of technologies and their combinations that use wireless communication technology to realize data communication and exchange between machines and machines, and between machines and people. Machine to machine (M2M) has two layers of meaning: the first layer is the machine itself, which is called a smart device in the embedded field; the second layer means the connection between machines, connecting machines to Together, so as to make human life more intelligent. MTC has a wide range of applications, such as intelligent measurement, remote monitoring, tracking, medical treatment, etc. Compared with traditional human-to-human communication, MTC devices (M2M Devices) have a...

Claims

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Application Information

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IPC IPC(8): H04W12/00H04W12/04H04W4/50H04W4/70H04W12/0431
CPCH04W4/005H04W4/001H04W12/04H04W12/06H04W4/70H04W4/50H04W12/0431
Inventor 余万涛
Owner ZTE CORP
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