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A processing method, device and system for secure communication services

A technology of confidential communication and processing method, which is applied in the field of confidential communication services, and can solve the problems of inability to satisfy users and operators, and low security of data transmission on the media plane.

Active Publication Date: 2019-01-01
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] Embodiments of the present invention provide a processing method, device, and system for secure communication services, which are used to solve the problem that the end-to-end encryption and protection of user service information carried and transmitted on the media plane in the current IMS network cannot meet the needs of users and operators. According to the respective needs of vendors, the security of data transmission on the media plane is low

Method used

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  • A processing method, device and system for secure communication services
  • A processing method, device and system for secure communication services
  • A processing method, device and system for secure communication services

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0108] Such as image 3 As shown, it is a schematic flowchart of a method for processing a secure communication service provided in Embodiment 1 of the present invention, and the method may be described as follows.

[0109] Step 101: The EAS receives a secure communication service establishment request message sent by the first terminal device.

[0110] Wherein, the secure communication service establishment request message is used to indicate that a secure communication service needs to be established between the first terminal device and the second terminal device, and the secure communication service establishment request message includes information for obtaining a session key. Parameter information.

[0111] In step 101, when the first terminal device calls the second terminal device, it sends a secure communication service establishment request message to the IMS network, and the core network of the IMS network forwards the secure communication service request message t...

Embodiment 2

[0159] Such as Figure 4 As shown, it is a schematic flowchart of a processing method for a secure communication service provided by Embodiment 2 of the present invention. Embodiment 2 of the present invention is an invention under the same inventive concept as Embodiment 1 of the present invention. Embodiment 2 of the present invention is a station A detailed description of the processing method of the confidential communication service involved in the present invention from the perspective of terminal equipment. The method can be described as follows.

[0160] Step 201: the first terminal device sends a secure communication service establishment request message to the encryption application server EAS.

[0161] Wherein, the secure communication service establishment request message is used to indicate that a secure communication service needs to be established between the first terminal device and the second terminal device, and the secure communication service establishmen...

Embodiment 3

[0202] Such as Figure 5 As shown, it is a schematic flowchart of a method for processing a secure communication service provided by Embodiment 3 of the present invention. Embodiment 3 of the present invention is an invention under the same inventive concept as Embodiment 1 to Embodiment 2 of the present invention. Embodiment 3 of the present invention is a detailed description of each step in Embodiment 1 of the present invention on the side of the key management center. The method can be described as follows.

[0203] Step 301: The key management center KMC receives the session key request message sent by the encryption application server EAS.

[0204] Wherein, the session key request message is used to indicate that the KMC is requested to generate a session key for the confidential communication service that needs to be established between the first terminal device and the second terminal device.

[0205] The session key request message includes parameter information for...

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Abstract

The invention discloses a processing method, equipment and a system of secure communication service. The contents comprise the following steps: introducing an encryption application server and a key management center in an IMS (IP Multimedia Subsystem) network; when a secure communication service establishment request message transmitted by first terminal equipment is received through the encryption application server, a session key request message is transmitted to the key management center and an encrypted session key returned by the key management center is received, transmitting the encrypted session key to the first terminal equipment. The secure communication is used as the service provided for a user by an operator through the encryption application server, and the encrypted session key is acquired by the encryption application server from the key management center and issued to terminal equipment, so the control force of the operator over the secure communication is increased, and the processing efficiency of the system is improved; the management of a whole life cycle of the key by the user is realized by the introduced key management center, so the security for executing the secure communication service among the users is increased.

Description

technical field [0001] The present invention relates to the field of wireless communication technology and the field of security technology, in particular to a processing method, device and system for confidential communication services in an IMS service system based on interactive multimedia services. Background technique [0002] In order to provide end-to-end encryption protection for user service information carried and transmitted on the media plane of IMS (Interactive Multimedia Service, Interactive Multimedia Service), 3GPP (3rd Generation Partnership Project, third-generation mobile communication standardization organization) proposed in TS33.328 Two relatively independent media plane key management schemes realize the negotiation of the media plane session key, and use the negotiated session key to establish a security association between the calling and called terminals or between the terminal and the IMS network. User media plane information is protected through S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/06
Inventor 杨志强侯长江刘斐田野柏洪涛
Owner CHINA MOBILE COMM GRP CO LTD