File encryption method based on blockchain bidding and tendering system
A technology of file encryption and bidding party, which is applied in the field of blockchain to achieve the effect of reducing the cost of trust
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[0031] In order to facilitate those skilled in the art to understand and implement the present invention, a specific embodiment of the method of the present invention is now given. The file encryption method based on the blockchain bidding system makes full use of the characteristics and advantages of the blockchain, RSA algorithm, hash algorithm and blind signature algorithm, solves the current problem of bidding data security, and provides a more secure Transparent file encryption method.
[0032] In this embodiment, a company A intends to purchase a batch of monitors through bidding. Company A uses the system to issue tender announcements. See Table 1 for specific requirements.
[0033] Bidding Project Name: Display Procurement
[0034] Project guarantee amount: 2000
[0035] Project bidding start time: 2018-05-15
[0036] End time of ciphertext submission: 2018-05-25
[0037] End time of project bidding: 2018-06-10
[0038] Project Minimum Bids: 2
[0039] Table 1 ...
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