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Method for creating IPSec safety alliance

An alliance and security technology, applied in the field of IPSec security association creation, can solve the problems of difficult maintenance and a large number of security alliances, and achieve the effect of easy maintenance.

Inactive Publication Date: 2010-04-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, a pair of security associations is established between each different home agent address and the home address of the mobile node, resulting in a large number of security associations, especially in the case of manual configuration, which is difficult to maintain

Method used

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  • Method for creating IPSec safety alliance
  • Method for creating IPSec safety alliance
  • Method for creating IPSec safety alliance

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Experimental program
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Embodiment Construction

[0023] The core idea of ​​the present invention is to provide a flexible and convenient method for creating a security association by creating a security association whose destination address is an unspecified address, and refreshing the address when the address can be determined to provide a more robust security association.

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] When IPSec is applied in IPv6, the home agent address (Home Agent Address) that home agent provides to mobile node to use may have a plurality of, and which home agent address concretely uses by mobile node depends on mobile node selection; The application of the present invention in IPv6 can be use as figure 1 The processing flow shown.

[0026] In order to prevent security association conflicts, first enter step 11 and assign a unique security parameter index, that is, the security parameter index is unique to the security association ...

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Abstract

The method comprises: building a security association (SA) whose destination address is an unassigned address and is capable of making address refreshing so as to reduce the amount of SA to be built in case of uncertainty or multi destination existing.

Description

technical field [0001] The invention relates to a method for creating an IPSec security alliance in network communication security, in particular to a method for creating an IPSec security alliance when the destination address is uncertain or multiple. Background technique [0002] IPSec protocol is a security protocol widely used in network communication. In the application of this protocol, it is necessary to establish a security association for the encryption and decryption process of information to ensure the safe transmission of information. According to the definition of the IPSec protocol, a security association is uniquely determined by a triplet composed of destination address, security association index (SPI), and security protocol. [0003] In the process of applying IPSec to mobile IP, according to RFC3776, after the mobile node moves to a foreign network, IPSec can be used to establish a security association between the home agent (Home Agent) and the mobile no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/164H04L63/0428
Inventor 王辉唐正斌徐暕
Owner HUAWEI TECH CO LTD