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Bidding file encryption and decryption method and device, equipment and medium

A technology for encryption and decryption and files, which is applied to electrical components, transmission systems, etc., can solve problems such as cumbersome operations, and achieve the effect of an easy and convenient encryption and decryption method

Inactive Publication Date: 2020-01-07
国泰新点软件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This method requires bidders to apply for different CA locks and install corresponding drivers when bidding on different trading platforms. The operation is cumbersome and can only be encrypted and decrypted on a fixed terminal.

Method used

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  • Bidding file encryption and decryption method and device, equipment and medium
  • Bidding file encryption and decryption method and device, equipment and medium
  • Bidding file encryption and decryption method and device, equipment and medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] figure 1 It is a flowchart of a bidding document encryption and decryption method provided by Embodiment 1 of the present invention. This embodiment is applicable to the case of encrypting and decrypting bidding documents. The method is applied to a mobile terminal, and a digital certificate is integrated in the mobile terminal. The method can be executed by the bidding document encryption and decryption device provided in the embodiment of the present invention, the device can be realized by hardware and / or software, and the device can be integrated in the bidding document encryption and decryption device. see figure 1 , the method may specifically include:

[0055]S110. Send the public key in the digital certificate to the bidding device, so that the bidding device uses the public key to encrypt the target bidding document, generate the target encrypted bidding document, and send the target encrypted bidding document to the bid opening device.

[0056] Among them,...

Embodiment 2

[0071] Figure 4 It is a flowchart of a bidding document encryption and decryption method provided by Embodiment 2 of the present invention. This embodiment is applicable to the case of encrypting and decrypting bidding documents. This method is applied to bidding equipment. The method can be executed by the bidding document encryption and decryption device provided in the embodiment of the present invention, the device can be realized by hardware and / or software, and the device can be integrated in the bidding document encryption and decryption device. see Figure 4 , the method may specifically include:

[0072] Step 210, obtain the public key in the digital certificate from the mobile terminal, where the digital certificate is integrated in the mobile terminal.

[0073] Specifically, the public key in the digital certificate is obtained from the mobile terminal, including:

[0074] Generate an encrypted two-dimensional code for scanning by the mobile terminal, wherein ...

Embodiment 3

[0082] Figure 5 It is a flowchart of a bidding document encryption and decryption method provided by Embodiment 3 of the present invention. This embodiment is applicable to the case of encrypting and decrypting bidding documents. This method is applied to bidding equipment. The method can be executed by the bidding document encryption and decryption device provided in the embodiment of the present invention, the device can be realized by hardware and / or software, and the device can be integrated in the bidding document encryption and decryption device. see Figure 5 , the method may specifically include:

[0083] Step 310, receiving the target encrypted bidding file sent by the bidding device.

[0084] Step 320: Send the target encrypted bidding document to the mobile terminal, so that the mobile terminal can use the private key in the digital certificate to decrypt the target encrypted bidding document to obtain the target decrypted bidding document, wherein the digital ...

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Abstract

The embodiment of the invention discloses a bidding file encryption and decryption method and device, equipment and a medium. The method is applied to a mobile terminal. A digital certificate is integrated in the mobile terminal, and the method comprises the following steps: sending a public key in the digital certificate to bidding equipment, so that the bidding equipment encrypts a target bidding file by using the public key to generate a target encrypted bidding file, and sends the target encrypted bidding file to bidding equipment; and obtaining the target encrypted bidding file from the bidding device, decrypting the target encrypted bidding file by using a private key in the digital certificate to obtain a target decrypted bidding file, and sending the target decrypted bidding file to the bidding equipment. According to the embodiment of the invention, the bidding file is encrypted and decrypted by utilizing the mobile terminal integrated with the digital certificate, and the bidding file encryption and decryption method is free of terminal limitation and convenient to operate.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of electronic bidding, and in particular to a method, device, equipment and medium for encrypting and decrypting bidding documents. Background technique [0002] With the development of the Internet age, online transactions of electronic bidding are becoming more and more frequent. [0003] At present, electronic trading platforms generally use USBKey as the storage medium of CA certificates. When encrypting and decrypting electronic bidding documents, it is necessary to insert a CA lock on a fixed PC terminal to realize encryption and decryption of bidding documents. [0004] This method requires bidding units to apply for different CA locks and install corresponding drivers when bidding on different trading platforms. The operation is cumbersome and can only be encrypted and decrypted on a fixed terminal. Contents of the invention [0005] In view of this, the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L63/0428H04L63/06H04L67/06
Inventor 费正宇邹星驰沈国庆陈永欣汤骏陈洪军鲍相宇仲荣建
Owner 国泰新点软件股份有限公司
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