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Remote attestation method and device

A remote-proof, first-of-its-kind technology, applied in the field of communications, can solve problems such as major security risks of network equipment

Pending Publication Date: 2022-08-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the network device sends the measurement information of its system credibility to a server that itself is not trusted, the network device may have a greater security risk

Method used

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  • Remote attestation method and device

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Embodiment Construction

[0146] With the explosive growth of information and the grand occasion of the Internet of Everything, the network includes more and more network devices. In order to improve a safe and reliable network environment, it is necessary to have higher reliability requirements for the network and network devices. It is necessary to carry out strict credible verification on the network devices in the network.

[0147] It can be understood that the network device has a trusted platform module (English: Trusted Platform Module, referred to as: TPM), and the TPM has a trusted component (also known as Root of Trust), which is an essential part of trusted verification. Generally, there are three Roots of Trust in TPM: Measurement Root of Trust (English: Root of Trust for Measurement, referred to as: RTM), Storage Root of Trust (English: Root of Trust for Storage, referred to as: RTS) and Reporting Root of Trust ( English: Root of Trust for Reporting, referred to as: RTR). Among them, RTM...

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PUM

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Abstract

The invention discloses a remote attestation method and device. The method specifically comprises the following steps: a first network device receives encrypted information and first measurement information of a second network device through the second network device, wherein the encrypted information is information obtained by encrypting second measurement information of a third network device; the first network equipment determines that the second network equipment system is credible according to the first measurement information; and the first network device decrypts the encrypted information to obtain the second measurement information. Therefore, if the network equipment needs to be subjected to remote certification, the verification equipment for performing remote certification on the network equipment can be determined to be systematically credible, namely, the credibility and the safety of the remote certification environment of the network equipment are ensured firstly, and then the verification equipment with the credible system is used for performing remote certification on the network equipment, so that the reliability of remote certification is improved; therefore, the network security is improved.

Description

[0001] This application is a divisional application of a Chinese patent application with an application number of 201910631547.4, an application date of July 12, 2019, and the title of the invention is "a remote certification method and device". technical field [0002] The present application relates to the field of communication technologies, and in particular, to a remote attestation method and device for remotely attesting the system credibility of network devices. Background technique [0003] For network devices with a Trusted Platform Module (English: Trusted Platform Module, TPM for short), the TPM can measure the reliability of system states such as the system startup process, process running process, and configuration files on the network device. Obtain the measurement information of system reliability. In the remote attestation scenario, the network device can send the system reliability measurement information to the server, the server obtains the system reliabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40
CPCH04L63/0442H04L63/10G06F21/577H04L63/0428H04L63/0853
Inventor 夏靓潘伟史玉林魏建雄
Owner HUAWEI TECH CO LTD
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