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Method and device for calculating transaction amount of second-price sealed auction, and electronic equipment

An amount and price technology, applied in the field of multi-party privacy and security computing, can solve problems such as the inability to protect the privacy of bidders, and achieve the effect of balancing communication overhead, reducing the number of rounds, and balancing computing overhead

Active Publication Date: 2022-04-12
ZHEJIANG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the embodiment of the present application is to provide a method, device, and electronic device for calculating the turnover of a second-price sealed auction to solve the technical problem in the related art that the privacy of bidders cannot be protected when calculating the turnover of a second-price sealed auction

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  • Method and device for calculating transaction amount of second-price sealed auction, and electronic equipment
  • Method and device for calculating transaction amount of second-price sealed auction, and electronic equipment
  • Method and device for calculating transaction amount of second-price sealed auction, and electronic equipment

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Embodiment Construction

[0064] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0065] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention discloses a method and device for calculating a second price sealed auction transaction amount, and electronic equipment, and the method comprises the steps: carrying out the statistics of the high 16 bits of a first quotation, and obtaining a first statistical vector; obtaining a first secret share by using a secret sharing technology according to the first statistical vector; according to the first secret share, calculating a high 16-bit first numerical value of the transaction amount; counting the lower 16 bits of the first quotation according to the first numerical value to obtain a second statistical vector; obtaining a third secret share by using a secret sharing technology according to the second statistical vector; according to the third secret share, calculating a lower 16-bit second numerical value of the transaction amount; and calculating the transaction amount according to the first numerical value and the second numerical value. According to the method, each auction party obtains the transaction amount of the second-price sealed auction on the premise of ensuring the quotation privacy of the auction party, and meanwhile, the number of rounds of communication is reduced, so that the calculation overhead and the communication overhead are balanced.

Description

technical field [0001] The present application relates to the technical field of multi-party privacy and security computing, and in particular to a method, device and electronic equipment for calculating the transaction value of a second-price sealed auction. Background technique [0002] In a second-price sealed auction, each bidder submits a sealed transaction price, and the highest bidder wins the item, but the transaction is made at the second highest price among all bids. If this kind of auction procedure is implemented, the optimal strategy of each bidder is to make the quotation equal to his own complete estimate of the commodity, or in other words, honesty is the best bidding strategy at this time. [0003] In the second-price sealed auction, when calculating the final transaction amount, it is necessary to publicize the quotation of each bidder to ensure the fairness of the entire auction process. [0004] In the process of realizing the present invention, the inve...

Claims

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Application Information

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IPC IPC(8): G06F21/62G06Q30/06
Inventor 张秉晟李泽昊吴泽成任奎何永德
Owner ZHEJIANG UNIV
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