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Method for realizing encrypted negotiation for user equipment and network side

A technology on the user equipment and network side, which is applied to synchronous sending/receiving encryption equipment and key distribution, can solve the problems of lack of implementability and operability, and achieve the effect of easy operation and implementation

Inactive Publication Date: 2007-10-31
HUAWEI TECH CO LTD
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Problems solved by technology

[0025] The purpose of the present invention is to provide a method for implementing encryption negotiation between the user equipment and the network side, aiming to solve the problem of lack of implementability and operability in the prior art when the encryption of the signaling plane and the data plane are separately processed

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  • Method for realizing encrypted negotiation for user equipment and network side
  • Method for realizing encrypted negotiation for user equipment and network side
  • Method for realizing encrypted negotiation for user equipment and network side

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Embodiment Construction

[0045] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0046] In the present invention, the encryption negotiation on the signaling plane and the encryption negotiation on the data plane are processed separately. When the user registers to the network side, the UE and the first network element on the network side, such as the MME of the evolved network, perform the encryption negotiation on the signaling plane. When a bearer is established between the UE and the network side, data plane encryption negotiation is performed between the UE and a second network element on the network side, such as a UPE of an evolved network.

[0047] Figure 4 shows the impl...

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Abstract

The invention is suitable for the mobile communication field, it provides a method to realize the encrypt negotiation between the user device and the network, when the user device registers on the network, the user device and network negotiate the encrypt arithmetic of signaling, when the user device builds load with network, the user device and network negotiate the encrypt arithmetic of data. In the invention, the negotiation of data and signaling can be processed separately, it can ensure the encryption between UE and core network work normally after the MME / UPE is separated, and it is easy to operate and actualize.

Description

technical field [0001] The invention belongs to the field of mobile communication, and in particular relates to a method for implementing data encryption between user equipment and a network side. Background technique [0002] In order to enhance the competitiveness of future networks, the Third Generation Partnership Projects (3GPP) is studying a new evolved network architecture, including System Architecture Evolution (SAE) and long-term evolution of access networks (Long Term Evolution, LTE), and the evolved access network is called E-UTRAN (Evolved Universal Terrestril Radio Access Network). Figure 1 shows a network architecture of an evolved packet core network, including a mobility management entity (Mobility Management Entity, MME), a user plane entity (User Plane Entity, UPE) and user plane anchor points between different access systems (Inter Access System Anchor, Inter AS Anchor) three logical functional entities. Among them, MME is responsible for the mobility m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L9/00H04L9/12H04L29/06
CPCH04L9/08H04L9/3271
Inventor 吴问付
Owner HUAWEI TECH CO LTD
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