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Distributed data transaction payment method

A technology of distributed data and data parties, applied in payment systems, data processing applications, payment system structures, etc., can solve problems such as rights protection, data leakage, and difficulties that are prone to occur, and achieve high encryption efficiency, reversible algorithms, and reasonable design. Effect

Inactive Publication Date: 2022-05-24
南京隐私遁区块链科技有限公司
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  • Description
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that in the existing data payment method, the data provider and the demander conduct direct transactions. This direct transaction mode is prone to problems and difficult to protect rights without the intervention of the notary party; while the data provider The transaction mode of the party and the demand party through a trusted institution also has the problem of data leakage by the notary party

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Embodiment Construction

[0022] A distributed data transaction payment method of the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] combined with Figure 1-2 , the present invention is introduced in detail.

[0024] A distributed data transaction payment method, comprising a data party, an application party and a notary party, the data party provides data to the application party, the application party provides the data party with assets and consumption data, and the notary party provides pledge to the data party Assets, verified data, and trusted institutions that provide symmetric keys, blockchain smart contracts;

[0025] The distributed data transaction payment method is as follows:

[0026] Step 1. The application requests data M from the data party;

[0027] Step 2. After the data party obtains the data M required by the application party, it generates a random symmetric key K, where K=R n ();

[0028] Step 3. The data party...

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Abstract

The invention discloses a distributed data transaction payment method. The distributed data transaction payment method is as follows: an application party requests data M from a data party; after the data party obtains the data M required by the application party, a random symmetric key K is generated; the data party performs hash calculation on the symmetric key K to obtain a key abstract e; the data party performs symmetric encryption calculation on the data M by using the symmetric key K to obtain encrypted data ME; the data party sends the key abstract e and the encrypted data ME to the application party; the application party pledges assets at the notarization party and sets timeout time; the data party sends a symmetric key to the notarization party, and the pledged assets are transferred to the data party; the application party obtains data M from the notarization party; according to the invention, in a specific scene, the data party and the application party carry out data payment transaction through the notarization party, and the notarization party completes verification on the premise of not obtaining data, so that the security of the transaction and the confidentiality of the data to the notarization party are both considered.

Description

technical field [0001] The invention relates to the technical field of distributed data transaction payment, in particular to a distributed data transaction payment method. Background technique [0002] In the era of rapid development of Internet finance, the importance of data transactions is increasing day by day. The state has put forward directions such as accelerating the cultivation of the data element market, establishing a data element value system, improving the rules of the data element market, and improving the allocation of data elements, planning a path for the development of the data element market. However, in the existing data payment methods, the data provider and the demander conduct direct transactions. This direct transaction model is prone to problems and difficult to safeguard rights without the intervention of the notary; while the data provider and demander The mode of trading through trusted institutions also has the problem of data being leaked by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06Q40/04
CPCG06Q20/3829G06Q40/04
Inventor 刘琥
Owner 南京隐私遁区块链科技有限公司
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