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A Supervisable Online Payment Privacy Protection Method, Device, and Electronic Equipment

A privacy protection and payer technology, applied in the payment system, digital data protection, payment system structure, etc., can solve the problems of poor privacy protection, unfair information, difficult supervision, etc., to ensure legality, reduce serious impact, The effect of improving stability

Active Publication Date: 2022-03-29
ZHEJIANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiment of this application is to provide a supervised online payment privacy protection method and device, electronic equipment, to solve the technical problems of poor privacy protection, difficult supervision, and unfair information in related technologies

Method used

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  • A Supervisable Online Payment Privacy Protection Method, Device, and Electronic Equipment
  • A Supervisable Online Payment Privacy Protection Method, Device, and Electronic Equipment
  • A Supervisable Online Payment Privacy Protection Method, Device, and Electronic Equipment

Examples

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Embodiment 1

[0086] figure 1 It is a flow chart of a supervisable online payment privacy protection method shown according to an exemplary embodiment, as shown in figure 1 As shown, the payer and payee are not anonymous in this method, and may include the following steps:

[0087] Step S11: If the payer and the payee choose not to be anonymous, the payer generates the first balance update ciphertext of the payer and the second balance update ciphertext of the payee according to the plaintext of the payment amount and the regulator’s public key ;

[0088] Step S12: The payer generates a first non-interactive zero-knowledge proof according to the regulator's public key and transaction information;

[0089] Step S13: The payer packs the public key of the payer, the public key of the payee, the first balance update ciphertext, the second balance update ciphertext, and the first non-interactive zero-knowledge proof into a private transaction and sends it in the area broadcast on the block ch...

Embodiment 2

[0132] Figure 5 It is a flow chart of a supervised online payment privacy protection method shown according to an exemplary embodiment, as shown in Figure 5 As shown, the payer and payee are anonymous in this method, which may include the following steps:

[0133] Step S31: If the payer and payee choose to be anonymous, add the payer and payee to any anonymous account set on the blockchain;

[0134]Specifically, if the payer and payee choose to conduct anonymous transactions, the payment system will select an anonymous account set including payer A and payee B as participants in the transaction according to a random algorithm.

[0135] Step S32: The payer generates the third balance update ciphertext of all accounts in the anonymous account set according to the regulator's public key and the incremental balance value of each account in the anonymous account set;

[0136] Specifically, the payer uses the public key of the supervisor, the incremental balance value of each ac...

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Abstract

The invention discloses a supervised online payment privacy protection method and device, and electronic equipment. The method generates first balance update ciphertexts for updating the balance ciphertexts of the payer and the payee through a linear homomorphic encryption algorithm. text and the second balance update ciphertext, so that the user account balance information is encrypted throughout the cycle, enabling private information to be available and invisible; based on non-interactive zero-knowledge proof technology, a first non-interactive The zero-knowledge proof ensures that the legality of the transaction can be publicly verified; by generating the first proof ciphertext for the payee to verify that the transaction amount is the agreed amount, the legality of the transaction is further ensured; Encrypt and generate proof operations, so that the supervisor can decrypt and supervise the transaction data on the blockchain according to the supervisor’s private key generated at the same time as the supervisor’s public key and corresponding, so that online payment transactions can be traced and traced. Supervision.

Description

technical field [0001] The present application relates to the field of online payment privacy protection, in particular to a supervised online payment privacy protection method, device, and electronic equipment. Background technique [0002] With the rapid popularization of the mobile Internet and the continuous deepening of currency virtualization, electronic payment has gradually become the mainstream payment method in the digital age. In an increasingly open network space, under the background of the development of the digital economy in the future, in the face of emerging challenges in privacy protection, government supervision, and information fairness, there is an urgent need for an An online payment method that promotes the direct circulation of digital assets. [0003] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0004] The current mainstream third-party payment platforms re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q20/38G06F21/62
CPCG06Q20/3829G06F21/6245
Inventor 张秉晟陈辉任奎杨国正臧铖陈嘉俊
Owner ZHEJIANG UNIV
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