A log behavior audit method based on a block chain in cloud storage environment

A blockchain and cloud storage technology, applied in the field of cloud storage security, can solve the problems of cloud data audit relying on third parties, lack of cloud data operation behavior audit, etc., to achieve the effect of ensuring security and integrity

Active Publication Date: 2019-01-11
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the defects of the prior art, the purpose of the present invention is to solve the technical problem that the prior art cloud data audit relies on a third party and lacks auditing of cloud data operation behaviors

Method used

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  • A log behavior audit method based on a block chain in cloud storage environment
  • A log behavior audit method based on a block chain in cloud storage environment
  • A log behavior audit method based on a block chain in cloud storage environment

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Embodiment Construction

[0053] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054] figure 1 It is a schematic diagram of a blockchain-based log behavior audit model in a cloud storage environment provided by the present invention. Such as figure 1 As shown, the log behavior audit model includes the following components:

[0055] Cloud storage users: composed of data owners and ordinary users, which can be individuals or organizations. Data owner some Data can be uploaded to the cloud storage provider, and at the same time, the upload operation is broadcast in the blockchain network and the operation log is recorded by the blockchain; general user It mainly performs...

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Abstract

The invention discloses a log behavior audit method based on a block chain in a cloud storage environment. Each interface required in the flow of the method is compiled by an intelligent contract, which ensures that both sides cannot deny the behavior of the log behavior, so that the log record in the block chain network is completely trusted. The audit interface of the intelligent contract is called when there is an audit requirement, and the log records are reviewed by the intelligent contract and the results are returned to the requesting user. By transferring the cloud log storage from thecloud storage provider to the block chain, the invention ensures the safety and integrity of the log data by utilizing the characteristics of decentralization, decentralization and high reliability of the block chain. The intelligent contract is used to make the block chain network provide the log read-write interface and audit structure, and the data access process is designed for the interaction between users and cloud service providers, which can ensure that users and cloud storage parties can record the log completely on the block chain network, and the log record cannot be denied and tampered with.

Description

technical field [0001] The invention belongs to the technical field of cloud storage security, and more specifically relates to a blockchain-based log behavior auditing method in a cloud storage environment. Background technique [0002] Public audit services utilizing cloud data storage can allow users to turn to independent third-party auditors (TPAs) when they need to review outsourced data. TPA has the professional knowledge and ability that users do not have, and can regularly audit the integrity of all data stored in cloud storage servers on behalf of users, thus providing users with a simpler and more economical way to ensure that their data can be stored correctly in the cloud . In addition, in addition to helping users assess the risks of the cloud storage services they ordered, the audit results of TPA can also help cloud storage providers improve their cloud-based service platforms, and even use TPA to achieve independent arbitration purposes. All in all, public...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62
CPCG06F21/6245G06F21/6272
Inventor 周可李春花邓虹雨胡家琦
Owner HUAZHONG UNIV OF SCI & TECH
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