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Post-confirmation method for quantum sealed-bid auction

A post-confirmation and quantum technology, applied in the field of post-confirmation, can solve the problems of high operation and measurement complexity, difficulty in realizing quantum entanglement resources and quantum memory, and achieve the effect of reducing communication overhead, complexity and difficulty

Active Publication Date: 2019-03-19
ANHUI UNIVERSITY
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Problems solved by technology

[0010] The purpose of the present invention is to solve the problems of high operation and measurement complexity of the existing post-confirmation method of quantum sealed bidding auction agreement, which requires quantum entanglement resources and quantum memory and is difficult to realize, and provides a post-confirmation method of quantum sealed bidding auction, In order to enable any bidder to verify the authenticity of the final winner, thereby ensuring the fairness of the auction agreement

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Embodiment Construction

[0034] The technical solutions of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the examples.

[0035] In this embodiment, a post-confirmation method of a quantum-sealed bidding auction is performed in the following steps:

[0036] Step 1: In an auctioneer Alice and N-1 bidders {B 1 ,B 2 ,...,B j ,...,B N -1} in the auction process, any jth bidder B j with i-th bidder B i share a key K ij , j, i=1,2,...,N-1 and i≠j;

[0037] Before the auction starts, any jth bidder B j with i-th bidder B i Share a 2n long key, denoted as K, through the quantum key distribution (QKD) method ij , the key can not only be used to verify the jth bidder B j and the i-th bidder B i The identity of the bid price can also be connected to the bid price to achieve the purpose of protecting the bid price information;

[0038] Step 2: Any bidder sends the processed bid price to all other bidders;

[0039] Step 2.1: T...

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Abstract

The invention discloses a post-confirmation method for a quantum sealed-bid auction. The method is characterized in that in the quantum sealed-bid auction, each bidder sends his bid price to an auctioneer, then processes and sends his bid price information to other bidders. When the auctioneer announces the winner and his bid price, other bidders can verify the authenticity of the winner based onthe previously received bid price information. The object of the invention is to solve the problems that the operation and measurement complexity of the post-confirmation method of an existing quantumsealed-bid auction protocol are high, and the existing protocol is difficult to realize without quantum entanglement resources and a quantum memory. The method enables any bidder to verify the authenticity of the final winner, ensuring the fairness of the auction.

Description

technical field [0001] The invention relates to the field of quantum sealed bidding auction and classical post-processing, in particular to a post-confirmation method suitable for ensuring the fairness of the auction in the quantum sealed bidding auction process. Background technique [0002] With the rapid development and wide application of Internet technology, various types of e-commerce are constantly appearing on the Internet, and e-auction is one of the most important e-commerce applications. A well-designed e-auction system can achieve the optimal allocation of resources and provide open , a fair and just economic transaction environment, which is of great practical significance to the healthy development of e-commerce, and helps to establish a social credit mechanism. At the same time, electronic auctions involve a variety of network and information security technologies, which can not only be used It is not only used in electronic auctions, but also in other e-comme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/06H04L9/08G06Q30/08
CPCG06Q30/08H04L9/0643H04L9/0852
Inventor 石润华张瑞秦加奇彭振皖王攀红
Owner ANHUI UNIVERSITY
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