Data operation and private transaction method based on block chain and trusted calculation network

A technology of trusted computing and transaction methods, applied in computing, digital data protection, computer security devices, etc., can solve the problems of lack of effective protection of privacy and achieve the effect of avoiding data leakage

Pending Publication Date: 2020-09-25
哈希森林(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] To sum up, the existing data calculation process lacks effective protection for the privacy of each participant, so it is necessary to provide an effective privacy protection method to meet the pr

Method used

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  • Data operation and private transaction method based on block chain and trusted calculation network
  • Data operation and private transaction method based on block chain and trusted calculation network
  • Data operation and private transaction method based on block chain and trusted calculation network

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Embodiment Construction

[0037] The technical solutions of the various embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention. Implementations described in the following exemplary embodiments do not represent all implementations consistent with one or more embodiments of this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of one or more embodiments of the present specification as recited in the appended claims.

[0038] It should be noted that in other embodiments, the steps of the corresponding methods are not necessarily performed in the order shown and ...

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Abstract

The invention discloses a data operation and private transaction method based on a blockchain and a trusted calculation network. The method comprises the steps that a requester provides a data operation request and only obtains a data operation result in the whole data operation process, and does not touch the original data of a provider; on the premise of authorization of a provider, the platformperforms data operation in a trusted execution environment and outputs a data operation result, and the data operation process is real and trusted; after the data operation is completed, a provider can delete authorized data in the data operation or encrypt and store the data, so that data leakage is avoided; according to the method, original data used for statistics is only visible to a provider, an obtained data operation result is only visible to a requester, data operation is executed in a trusted environment, the privacy protection requirement in the data operation process can be met, and a real and reliable data operation result is obtained.

Description

technical field [0001] The present invention relates to the technical field of data calculation and private transaction, in particular to a data calculation and private transaction method based on blockchain and trusted computing network. Background technique [0002] Blockchain technology uses block chain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, uses cryptography to ensure the security of data transmission and access, and utilizes intelligence composed of automated script codes. A new distributed infrastructure and computing paradigm that uses contracts to program and manipulate data. In the current blockchain system, all data is completely disclosed on the chain, and it is impossible to accept and process any data that needs to be kept secret, and there are privacy issues. [0003] In terms of privacy, Trusted Execution Environment (TEE) is a solution. TEE can function as a black box in the hardware. ...

Claims

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Application Information

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IPC IPC(8): G06F21/57G06F21/62
CPCG06F21/57G06F21/6245
Inventor 尹航佟林姜军王喆
Owner 哈希森林(北京)科技有限公司
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