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Short message treatment method and device

A short message and key management technology, which is applied in the field of communication, can solve problems such as the inability to guarantee the security of short message services, the inability to decrypt short message services, and the lack of technical solutions.

Active Publication Date: 2015-04-08
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the short message service initiated by the user needs to fall back to the 2G / 3G network, the existing technology does not provide an effective technical solution to ensure that the receiver and the sender can accurately receive their corresponding public key and private key, so that after the SMS service falls back, the receiver cannot effectively decrypt the SMS service, so the security of the SMS service cannot be guaranteed

Method used

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  • Short message treatment method and device

Examples

Experimental program
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Embodiment Construction

[0076] figure 1 It is a flow chart of the short message encryption processing method of the present invention, figure 1 The shown method takes a mobility management entity (Mobility Management Entity, MME for short) as an execution subject, for example, figure 1 As shown, the method includes:

[0077] Step 100, receiving a service initiation instruction sent by a user equipment.

[0078] Specifically, the user equipment is a user equipment that may need to perform network fallback, such as a mobile phone, and the user equipment may be a short message sender or a short message receiver. When the user equipment is a short message sender, the above service initiation indication is a short message encryption request sent by the user equipment to the MME; and when the user equipment is a short message receiver, the service initiation indication is a service initiation response sent by the user equipment to the MME.

[0079] The above service initiation instruction includes the p...

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Abstract

The invention provides a short message treatment method and device. The method comprises receiving business initiating instructions which are sent by user equipment and comprise strategy types corresponding to the user equipment; sending applying secret key instructions to a secret key management server according to the business initiating instructions to enable the secret key management server to send a public key to a short message sender and send a private key to a short message receiver according to the applying secret key instructions, wherein the public key is used for the short message sender for encrypting a short message, and the private key is used for the short message receiver for deciphering the short message; and indicating the user equipment to fall back to guarantee transmit-receive safety of the short message in a short message service falling-back process after successful receiving responses for showing that the private key is successfully received and returned by the short message receiver are received when user equipment needs to fall back according to the strategy types.

Description

technical field [0001] The invention relates to communication technology, in particular to a short message encryption processing method and device. Background technique [0002] As the 3rd Generation Partnership Project (The 3rd Generation Partnership Project, hereinafter referred to as 3GPP) long-term evolution (Long Term Evolution hereinafter referred to as LTE) technology continues to mature, the voice solution Circuit Switch Fallback (Circuit Switch Fallback) technology defined by the 3GPP organization , hereinafter referred to as CSFB) applications are becoming more and more common. [0003] In addition to providing CS voice support, CSFB also needs to support other CS services, such as short message services. CSFB is a transitional solution in the early stage of LTE network deployment. In the early stage of LTE network deployment, LTE network mainly provides broadband data services, while CS services such as voice need to fall back to 2G / 3G networks, taking advantage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/14H04W12/02H04W12/04H04W12/03
Inventor 袁晓静
Owner CHINA UNITED NETWORK COMM GRP CO LTD