Method, apparatus and system for validating certificate state

A state and certificate technology, applied in transmission systems, user identity/authority verification, public keys for secure communication, etc., can solve problems such as heavy network load and long delay, reduce network load, improve efficiency, and quickly detect Effect

Inactive Publication Date: 2009-11-04
HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of implementing the present invention, the inventor found that in the prior art, a CRL file needs to be downloaded every time a certificate is verified, resulting in a large network load and a long delay

Method used

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  • Method, apparatus and system for validating certificate state
  • Method, apparatus and system for validating certificate state
  • Method, apparatus and system for validating certificate state

Examples

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] see figure 1 , is a schematic structural diagram of a CRL system according to an embodiment of the present invention, such as figure 1 As shown, the system includes:

[0045] The certificate authentication device 10 is configured to send a CRL download request message carrying the identification information of the first CRL file to the corresponding CRL server according to the obtained CRL download location information, and when receiving a response message...

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PUM

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Abstract

An embodiment of the invention provides a validation method of certificate state, a certificate authenticating apparatus, a certificate revocation list (CRL) server and a CRL system; wherein the CRL system comprises the certificate authenticating apparatus and the CRL server; the certificate authenticating apparatus is used for transmitting a CRL downloading request message carrying a first CRL file identification information to the corresponding CRL server according to the obtained CRL downloading position information and validating the validity of the state of a user certificate by using a locally stored certificate revocation list (CRL) file when a received response message associated with the CRL downloading request message carries unmodified identification; and the CRL server is used for comparing the first CRL file identification information in the received CRL downloading request message with the second CRL file identification information of the corresponding CRL file on the CRL server and returning the response message carrying the unmodified identification when the comparison result is that the first CRL file identification information is the same as the second CRL file identification information. Such a technical proposal prevents from downloading the CRL repeatedly so as to ease network load.

Description

technical field [0001] The invention relates to the field of management of digital certificates, in particular to a method, device and system for verifying certificate status. Background technique [0002] With the popularity of the Internet and the development of e-commerce, people have higher and higher requirements for information security. The PKI (Public Key Infrastructure) technology based on the public key system provides security guarantees for confidentiality, integrity, and identity authentication for various applications on the network. PKI uses certificates to manage public keys, and uses a third-party trusted organization, CA (Certification Authority, certification authority), to prove the binding relationship between user identities and their public keys. Since PKI provides security protection based on certificates, only under the premise of effective management of certificates can PKI be safely and effectively applied. [0003] When deploying PKI, certificat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32H04L9/30
Inventor 张战兵陈爱平徐丽慧孙宏
Owner HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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