CN115906140A - Bidding data processing method, device, equipment and storage medium - Google Patents
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Abstract
The application provides a bid data processing method, device, equipment and storage medium, the method relates to the technical field of communication, is applied to a first bid end, and comprises the following steps: receiving a first random number sent by a bidding terminal; calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result; and the first double-side quotation calculation result after the private key signature is used for indicating the bidding terminal to determine a bid-winning result according to the first double-side quotation calculation result, so that the data security of the bidding process is improved, and the fairness of the bidding is ensured.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a bid data processing method, apparatus, device, and storage medium.
Background
Bidding is an abbreviation of bidding. Under various working requirements, bidding has become an important working means, and in the purchasing behavior of goods, engineering and services, a bidder attracts a plurality of bidders to compete equally according to the same conditions through a pre-published purchasing requirement, and experts in the aspects of technology, economy, law and the like are organized according to a specified program to comprehensively review the plurality of bidders, so that the behavior process of the bidder who selects a project is selected preferentially. It is essential to obtain the best goods, projects and services at a lower price.
At present, the traditional bidding terminals present bidding data such as quotes to the bidding terminals, and the bidding terminals determine bidding results according to the quotes of the bidding terminals in combination with other information.
However, in the bid and tender data processing method in the prior art, the quotation information of the tender end cannot be hidden, so that the data security in the bid and tender process is low, and the fairness of bid and tender cannot be guaranteed.
Disclosure of Invention
The application provides a bid data processing method, device, equipment and storage medium, which are used for solving the technical problems that in the bid data processing method in the prior art, the quotation information of a bid end cannot be hidden, so that the data security in the bid process is low, and the fairness of bid cannot be ensured.
In a first aspect, the present application provides a bid data processing method, applied to a first bidding terminal, including:
receiving a first random number sent by a bidding terminal;
calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result;
and sending the first calculation result to a second bidding end after private key signature is carried out on the first calculation result, so that the second bidding end verifies the private key signature of the first calculation result after the private key signature is received, if the verification is passed, the first calculation result is obtained, a first double-quotation calculation result is obtained according to the difference value of the first calculation result and the quotation of the second bidding end, and the first double-quotation calculation result is sent to the bidding end after the private key signature is carried out, wherein the first double-quotation calculation result after the private key signature is used for indicating the bidding end to carry out private key signature verification on the first double-quotation calculation result after the private key signature, and if the verification is passed, the first double-quotation calculation result is obtained, and the bid-winning result is determined according to the first double-quotation calculation result.
Here, compared to a conventional manner in which a bid end directly transmits a bid price to a bid end, the bid end may determine a bid-closing result without acquiring a specific bid price. Firstly, a random number is introduced into a bid and tender data processing process, a bid end sends a first random number to a first bid end, the first bid end adds the first random number and own quotation to obtain a first calculation result, the first calculation result is sent to a second bid end, the second bid end subtracts the quotation of the second bid end from the first calculation result to obtain a first double-quotation calculation result, and the first double-quotation calculation result is sent to the bid end.
Optionally, the method further comprises: receiving a second calculation result after the private key signature sent by the second bidding terminal, wherein the second calculation result is a second calculation result obtained by the second bidding terminal receiving a second random number sent by the bidding terminal and calculating the sum of the offer of the second bidding terminal and the second random number; verifying the private key signature of the second calculation result after the private key signature, and if the private key signature passes the verification, obtaining the second calculation result; and obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding terminal, and sending the second two-way quotation calculation result to the bidding terminal after signing by a private key, so that the bidding terminal can carry out validity verification on the bidding process according to the second two-way quotation calculation result and the first two-way quotation calculation result.
Here, according to the present application, the first bidding terminal may transmit the first calculation result of the first bidding terminal to the second bidding terminal, and may also receive the second calculation result transmitted by the second bidding terminal, and the two bidding terminals add the random number and then differentiate the own offer from the offer of the other party, and transmit the result to the bidding terminal, and the bidding terminal may compare the results transmitted by the two bidding terminals to determine whether there is an error, thereby implementing bidirectional authentication of the transmission process of the bidding data, preventing the error data from affecting the bidding result, and further improving the security and fairness of bidding.
Optionally, receiving a first random number sent by the tenderer, includes: receiving a first random number encryption result sent by a bidding terminal; and according to the private key of the first bidding end, decrypting the encrypted result of the first random number to obtain the first random number.
In order to ensure that the random number is not leaked or stolen, the bidding terminal encrypts the random number in advance, so that the safety of bidding data is improved, and the safety and fairness of bidding are further improved.
In a second aspect, the present application provides a bid data processing method, applied to a bid terminal, including:
sending a first random number to a first bidding terminal to enable the first bidding terminal to receive the first random number sent by the bidding terminal, calculating the sum of the quotation of the first bidding terminal and the first random number to obtain a first calculation result, carrying out private key signature on the first calculation result and sending the first calculation result to a second bidding terminal, wherein the first calculation result after private key signature is used for indicating the second bidding terminal to verify the private key signature of the first calculation result after private key signature, if the verification is passed, obtaining the first calculation result, obtaining a first double-side quotation calculation result according to the difference value of the first calculation result and the quotation of the second bidding terminal, and sending the first double-side quotation calculation result to the bidding terminal after private key signature;
after receiving a first double-side quotation calculation result signed by a private key, carrying out private key signature verification on the first double-side quotation calculation result signed by the private key;
if the verification is passed, obtaining a first double-party quotation calculation result;
and determining a winning result according to the first double-side quotation calculation result.
Here, the bid-bidding data processing method provided by the application is directed at the bid-bidding terminal, a random number is generated for the bid-bidding terminal in advance, different generated random numbers are sent to different bid-bidding terminals respectively, a difference value of bid prices obtained by combining the random numbers between every two bid-bidding terminals is sent to the bid-bidding terminal, and the bid-bidding terminal can determine the bid-bidding terminal with a high price according to the difference value, so that the bid-bidding result can be determined without acquiring the specific price of bid, and the safety and fairness of bid and bid are improved.
Optionally, the method further comprises: sending a second random number to a second bidding terminal so that the second bidding terminal receives a second random number sent by the bid inviting terminal, calculating the sum of the offer of the second bidding terminal and the second random number to obtain a second calculation result, carrying out private key signature on the second calculation result and sending the second calculation result to the first bidding terminal, wherein the second calculation result after private key signature is used for indicating the first bidding terminal to verify the private key signature of the second calculation result after private key signature, if the verification is passed, obtaining the second calculation result, obtaining a second double-party offer calculation result according to the difference value of the second calculation result and the offer of the first bidding terminal, and sending the second double-party offer calculation result after private key signature to the bid inviting terminal; and after receiving a first double-side quotation calculation result signed by a private key, carrying out validity verification on the bidding process according to the second double-side quotation calculation result and the first double-side quotation calculation result.
Here, the tenderer in the present application may further receive results of the two bidders, perform bidirectional authentication on data sent by the two bidders, and further perform authentication on the transmission process of the tendered and bid data, determine whether a data error or tampering occurs, further improve security and reliability of data processing, and improve fairness of tendering and bidding.
Optionally, the sending the first random number to the first bidding end includes:
encrypting the first random number according to the public key of the first bidding end to obtain a first random number encryption result;
and sending the first random number encryption result to a first bidding end.
The random number is encrypted in order to ensure that the bidding price is not stolen, and the safety of bidding data is further improved.
In a third aspect, the present application provides a bid data processing apparatus, applied to a first bidding terminal, including:
the first receiving module is used for receiving a first random number sent by the bidding terminal;
the first calculation module is used for calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result;
the first sending module is used for carrying out private key signature on the first calculation result and then sending the first calculation result to a second bidding end, so that the second bidding end verifies the private key signature of the first calculation result after receiving the private key signature after receiving the first calculation result after the private key signature, if the verification is passed, the first calculation result is obtained, a first double-side quotation calculation result is obtained according to the difference value between the first calculation result and the quotation of the second bidding end, the first double-side quotation calculation result is sent to the bidding end after carrying out private key signature, wherein the first double-side quotation calculation result after carrying out private key signature verification on the first double-side quotation calculation result after signing by the bidding end is indicated by the first double-side quotation calculation result after carrying out private key signature verification, and if the verification is passed, the first double-side quotation calculation result is obtained, and a bid-winning result is determined according to the first double-side quotation calculation result.
Optionally, the apparatus further comprises:
the second receiving module is used for receiving a second calculation result obtained after the private key signature is sent by the second bidding terminal, wherein the second calculation result is a second calculation result obtained by the second bidding terminal receiving a second random number sent by the tendering terminal and calculating the sum of the offer of the second bidding terminal and the second random number;
the second verification module is used for verifying the private key signature of the second calculation result after the private key signature is verified, and if the verification is passed, the second calculation result is obtained;
and the second processing module is used for obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding terminal, and sending the second two-way quotation calculation result to the bidding terminal after being signed by a private key, so that the bidding terminal can carry out validity verification on the bidding process according to the second two-way quotation calculation result and the first two-way quotation calculation result.
Optionally, the first receiving module is specifically configured to:
receiving a first random number encryption result sent by the bidding terminal;
and decrypting the encrypted result of the first random number according to a private key of the first bidding end to obtain the first random number.
In a fourth aspect, the present application provides a bid data processing apparatus applied to a bid terminal, including:
the second sending module is used for sending a first random number to a first bidding terminal so that the first bidding terminal receives the first random number sent by the bidding terminal, calculating the sum of the quotation of the first bidding terminal and the first random number to obtain a first calculation result, carrying out private key signature on the first calculation result and sending the first calculation result to a second bidding terminal, wherein the first calculation result after private key signature is used for indicating the second bidding terminal to verify the private key signature of the first calculation result after private key signature, if the first calculation result is verified, obtaining a first double-side quotation calculation result, according to the difference value of the quotation of the first and second bidding terminals, obtaining a first double-side quotation calculation result, and sending the first double-side quotation calculation result to the bidding terminal after private key signature;
the first verification module is used for verifying the private key signature of the first double-side quotation calculation result after the private key signature is received;
the first processing module is used for obtaining a first double-side quotation calculation result if the verification is passed;
and the first determining module is used for determining a winning bid result according to the first double-side quotation calculation result.
Optionally, the apparatus further comprises:
a third sending module, configured to send a second random number to a second bidding end, so that the second bidding end receives the second random number sent by the bidding end, calculate a sum of an offer of the second bidding end and the second random number, obtain a second calculation result, perform a private key signature on the second calculation result, and send the second calculation result to the first bidding end, where the second calculation result after the private key signature is used to instruct the first bidding end to verify the private key signature of the second calculation result after the private key signature, and if the second calculation result passes the verification, obtain the second calculation result, obtain a second two-way offer calculation result according to a difference between the second calculation result and the offer of the first bidding end, and send the second two-way offer calculation result after the private key signature to the bidding end;
and the third verification module is used for verifying the validity of the bidding process according to the second double-side quotation calculation result and the first double-side quotation calculation result after receiving the first double-side quotation calculation result signed by the private key.
Optionally, the second sending module is specifically configured to:
encrypting the first random number according to the public key of the first bidding end to obtain a first random number encryption result;
and sending the first random number encryption result to a first bidding end.
In a fifth aspect, the present application provides a bid data processing apparatus comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the bid data processing method as set forth in the first aspect above and in various possible designs of the first aspect.
In a sixth aspect, the present application provides a bid data processing apparatus comprising: at least one processor and a memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the bid data processing method as set forth above in the second aspect and in various possible designs of the second aspect.
In a seventh aspect, the present application provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the bid data processing method according to the first aspect and various possible designs of the first aspect are implemented.
In an eighth aspect, the present application provides a computer-readable storage medium having stored thereon computer-executable instructions that, when executed by a processor, implement the bid data processing method as set forth in the second aspect and various possible designs of the second aspect.
In a ninth aspect, the present application provides a computer program product comprising a computer program which, when executed by a processor, implements a bid data processing method as described above in relation to the first aspect and various possible designs of the first aspect.
In a tenth aspect, the present application provides a computer program product comprising a computer program which, when executed by a processor, implements a bid data processing method as set forth in the second aspect above and in various possible designs of the second aspect.
Compared with the traditional mode that the bidding end directly sends the bidding price to the bidding end, the bid end can determine the bid-winning result on the basis of not acquiring the specific bidding price. Firstly, a random number is introduced into a bid and tender data processing process, a bid end sends a first random number to a first bid end, the first bid end adds the first random number and own quotation to obtain a first calculation result, the first calculation result is sent to a second bid end, the second bid end subtracts the quotation of the second bid end from the first calculation result to obtain a first double-quotation calculation result, and the first double-quotation calculation result is sent to the bid end.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a bid data processing system according to an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating a bid data processing method according to an embodiment of the present disclosure;
FIG. 3 is a schematic flow chart illustrating another bidding data processing method according to an embodiment of the present disclosure;
FIG. 4 is a schematic flowchart illustrating another bid data processing method according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a bidding data processing apparatus according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a bid data processing device according to an embodiment of the present application.
Specific embodiments of the present disclosure have been shown by way of example in the drawings and will be described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
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, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terms "first," "second," "third," and "fourth," etc., in the description and claims of this application and in the foregoing drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the technical scheme of the application, the collection, storage, use, processing, transmission, provision, disclosure and other processing of the related user data and other information all accord with the regulations of related laws and regulations and do not violate the good customs of the public order.
It should be noted that, the user information (including but not limited to user equipment information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, displayed data, etc.) referred to in the present application are information and data authorized by the user or fully authorized by each party, and the collection, use and processing of the related data need to comply with the relevant laws and regulations and standards of the relevant country and region, and are provided with corresponding operation entrances for the user to choose authorization or denial.
The traditional bidding terminals present bidding data such as quotes to the bidding terminals, and the bidding terminals determine bidding results according to the quotes of the bidding terminals and other information. However, in the bid and tender data processing method in the prior art, the quotation information of the tender end cannot be hidden, so that the data security in the bid and tender process is low, and the fairness of bid and tender cannot be guaranteed.
In order to solve the above technical problem, an embodiment of the present application provides a bid data processing method, a bid device, a device, and a storage medium, where a random number is introduced into a bid data processing process, a bid end sends a first random number to a first bid end, the first bid end adds the first random number and its own offer to obtain a first calculation result, and then sends the first calculation result to a second bid end, and the second bid end subtracts the offer of the second bid end from the first calculation result to obtain a first two-way offer calculation result, which is sent to the bid end.
The embodiment of the application provides a comparison method, the core of the bid price comparison is that no other person can know the price of the bidding party before the bid result comes out, and the bidding party can obtain the bid price only after the bid result is published by established facts, so that the possibility of leakage cheating is avoided to the maximum extent.
Optionally, fig. 1 is a schematic diagram of an architecture of a bidding data processing system according to an embodiment of the present application. As shown in fig. 1, the architecture includes: a first bidding terminal 101, a second bidding terminal 102 and a bidding terminal 103.
It is understood that the number and the specific structure of the second bidding terminals, the first bidding terminals and the bidding terminals can be determined according to actual situations, fig. 1 is only an illustration, and the number of the nodes is not particularly limited in the embodiments of the present application.
The number of the bidders may be determined according to actual conditions, and only two bidders are illustrated in fig. 1, which may be more or less in actual conditions.
The nodes are all connected in a block chain, the nodes can be cloud servers, servers or terminal equipment and the like, and communication can be achieved between any two nodes through the block chain network.
The second bidding terminal, the first bidding terminal and the bidding terminal may be disposed on the server or the terminal device, or the second bidding terminal, the first bidding terminal and the bidding terminal may be the server or the terminal device itself.
Optionally, each of the bidding terminals (the first bidding terminal and the second bidding terminal) and the bidding terminal simultaneously accesses to the block chain network and registers its own identity, that is, each bidding terminal issues its own block chain identifier, identity identifier and public key in the form of a broadcast message requiring a private key signature.
It is to be understood that the illustrated architecture of the embodiments of the present application does not constitute a specific limitation on the bidding data processing system architecture. In other possible embodiments of the present application, the foregoing architecture may include more or less components than those shown in the drawings, or combine some components, or split some components, or arrange different components, which may be determined according to practical application scenarios, and is not limited herein. The components shown in fig. 1 may be implemented in hardware, software, or a combination of software and hardware.
In addition, the network architecture and the service scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not constitute a limitation to the technical solution provided in the embodiment of the present application, and it can be known by a person skilled in the art that along with the evolution of the network architecture and the appearance of a new service scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.
The technical solutions of the present application are described below with several embodiments as examples, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 2 is a flowchart of a bidding data processing method according to an embodiment of the present application, where the embodiment of the present application can be applied to the first bidding terminal 101 in fig. 1, the first bidding terminal 101 can be a server or a terminal device, and a specific implementation subject can be determined according to an actual application scenario. As shown in fig. 2, the method comprises the steps of:
s201: and receiving the first random number sent by the invitation terminal.
The first random number is generated randomly by the bidding terminal, and may be a random number generated by a hash algorithm.
For example, the first random number is Ra.
Optionally, receiving a first random number sent by the tenderer, includes: receiving a first random number encryption result sent by the bidding terminal; and decrypting the encrypted result of the first random number according to the private key of the first bidding end to obtain the first random number.
In order to ensure that the random number is not leaked or stolen, the bidding terminal in the embodiment of the application encrypts the random number in advance, so that the data security of bidding is improved, and the security and fairness of bidding are further improved.
S202: and calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result.
For example, if the bid of the first bidder is a.
Then, the first calculation result = Ra + a.
S203: and after receiving the first calculation result signed by the private key, the second bidding terminal verifies the private key signature of the first calculation result signed by the private key, if the verification is passed, the first calculation result is obtained, according to the difference value between the first calculation result and the quotation of the second bidding terminal, the first double-side quotation calculation result is obtained, and the first double-side quotation calculation result is sent to the bid inviting terminal after being signed by the private key.
And if the verification is passed, obtaining a first double-side quotation calculation result, and determining a bid-winning result according to the first double-side quotation calculation result.
For example, if the bid of the second bidder is b, the first double bid calculation result = Ra + a-b.
And after receiving the first double-side quotation calculation result, the tendering end subtracts the first random number Ra stored by the tendering end to obtain the value of a-b, thereby judging the quotation height of the first bidding end and the second bidding end.
On the premise of reaching the target, the whole bidding process only carries out simple addition and subtraction without carrying out complex encryption and decryption calculation. Therefore, the efficiency is greatly improved in the bidding process, and the computing time and resources are saved.
Compared with the traditional mode that the bid end directly sends the bid price to the bid end, the bid end can determine the bid-closing result on the basis of not acquiring the specific bid price. Firstly, a random number is introduced into a bid and tender data processing process, a bid end sends a first random number to a first bid end, the first bid end adds the first random number and own quotation to obtain a first calculation result, the first calculation result is sent to a second bid end, the second bid end subtracts the quotation of the second bid end from the first calculation result to obtain a first double-quotation calculation result, and the first double-quotation calculation result is sent to the bid end.
Optionally, the embodiment of the present application may also verify the bidding effectiveness by a bidirectional authentication, and accordingly, fig. 3 is a schematic flow chart of another bidding processing method provided in the embodiment of the present application, as shown in fig. 3, where the method includes:
s301: and receiving the first random number sent by the invitation terminal.
S302: and calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result.
S303: and after receiving the first calculation result signed by the private key, the second bidding terminal verifies the private key signature of the first calculation result signed by the private key, if the verification is passed, the first calculation result is obtained, according to the difference value between the first calculation result and the quotation of the second bidding terminal, the first double-side quotation calculation result is obtained, and the first double-side quotation calculation result is sent to the bid inviting terminal after being signed by the private key.
And if the first double-side quotation calculation result passes the verification, obtaining the first double-side quotation calculation result, and determining a bid-winning result according to the first double-side quotation calculation result.
The implementation manners of steps S301 to S303 are similar to the implementation manners of steps S201 to S203, and are not described herein again in this embodiment of the present application.
S304: and receiving a second calculation result after the private key signature sent by the second bidding end.
And the second calculation result is obtained by the second bidding terminal receiving the second random number sent by the bidding terminal and calculating the sum of the offer of the second bidding terminal and the second random number.
Optionally, the second calculation = Rb + b.
S305: and verifying the private key signature of the second calculation result after the private key signature is verified, and if the verification is passed, obtaining a second calculation result.
S306: and obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding terminal, and sending the second two-way quotation calculation result to the bidding terminal after signing by a private key so that the bidding terminal can carry out validity verification on the bidding process according to the second two-way quotation calculation result and the first two-way quotation calculation result.
Optionally, the second two-way bid calculation = Rb + b-a.
The tenderer can calculate the values of b-a and a-b sent by the two bidders so as to perform bidirectional verification and bidirectional proofreading.
Here, in the embodiment of the present application, the first bidding terminal may transmit the first calculation result of the first bidding terminal to the second bidding terminal, and may also receive the second calculation result transmitted by the second bidding terminal, where the two bidding terminals add the random number and then subtract the sum of the own offer and the offer of the other bidding terminal, and transmit the result to the bidding terminal, and the bidding terminal may compare the results transmitted by the two bidding terminals to determine whether there is an error, thereby implementing bidirectional authentication of the transmission process of the bidding data, preventing the influence of the error data on the bidding result, and further improving the security and fairness of bidding.
Optionally, fig. 4 is still another bidding data processing method provided in the embodiment of the present application, the embodiment of the present application may be applied to the bidding terminal 103 in fig. 1, where the bidding terminal 103 may be a server or a terminal device, and a specific execution subject may be determined according to an actual application scenario. As shown in fig. 4, the method includes the steps of:
s401: and sending the first random number to the first bidding terminal so that the first bidding terminal receives the first random number sent by the bidding terminal, calculating the sum of the offer of the first bidding terminal and the first random number to obtain a first calculation result, and sending the first calculation result to the second bidding terminal after carrying out private key signature on the first calculation result.
The first calculation result after the private key signature is used for indicating the second bidding terminal to verify the private key signature of the first calculation result after the private key signature, if the verification is passed, the first calculation result is obtained, the first double-side quotation calculation result is obtained according to the difference value of the first calculation result and the quotation of the second bidding terminal, and the first double-side quotation calculation result is sent to the bidding terminal after the private key signature.
Optionally, the sending the first random number to the first bidder comprises: encrypting the first random number according to the public key of the first bidding end to obtain a first random number encryption result; and sending the encrypted result of the first random number to the first bidding end.
In the embodiment, in order to ensure that the bidding price is not stolen, the random number is encrypted, so that the safety of bidding data is further improved.
S402: and after receiving the first double-side quotation calculation result signed by the private key, carrying out private key signature verification on the first double-side quotation calculation result signed by the private key.
S403: and if the verification is passed, obtaining a first double-side quotation calculation result.
S404: and determining a winning bid result according to the first double-party quotation calculation result.
Optionally, if the difference between the first double-side quotation calculation result and the first random number is a positive value, the price of the first bidding end is determined to be larger than that of the second bidding end.
Here, the bid-bidding data processing method provided in the embodiment of the application generates a random number for the bid end in advance for the bid end, and sends the generated different random numbers to different bid ends respectively, and the bid ends combine the random numbers to obtain a difference value of the bid price and send the difference value to the bid end, and the bid end can determine the bid end with a high price according to the difference value, so that the bid-winning result can be determined without acquiring a specific price of the bid, and the safety and fairness of the bid and bid are improved.
Optionally, the method further comprises: sending a second random number to a second bidding terminal so that the second bidding terminal receives the second random number sent by the bid inviting terminal, calculating the sum of the offer of the second bidding terminal and the second random number to obtain a second calculation result, carrying out private key signature on the second calculation result and sending the second calculation result to the first bidding terminal, wherein the second calculation result after private key signature is used for indicating the first bidding terminal to verify the private key signature of the second calculation result after private key signature, if the verification is passed, obtaining a second calculation result, obtaining a second double-party offer calculation result according to the difference value of the second calculation result and the offer of the first bidding terminal, and sending the second double-party offer calculation result after private key signature to the bid inviting terminal; and after receiving the first double-side quotation calculation result signed by the private key, carrying out validity verification on the bidding process according to the second double-side quotation calculation result and the first double-side quotation calculation result.
Here, the tenderer in this embodiment of the application may further receive results of the two bidders, perform bidirectional authentication on data sent by the two bidders, further perform authentication on the transmission process of the tendering and bidding data, and determine whether a data error or tampering occurs, so as to further improve security and reliability of data processing of tendering and bidding, and improve fairness of tendering and bidding.
Fig. 5 is a schematic structural diagram of a bid data processing apparatus according to an embodiment of the present application, applied to a first bidding terminal, and as shown in fig. 5, the apparatus according to the embodiment of the present application includes: a first receiving module 501, a first calculating module 502 and a first sending module 503. The bid data processing device may be a server or a terminal device, or a chip or an integrated circuit that realizes the functions of the server or the terminal device. It should be noted that the division of the first receiving module 501, the first calculating module 502, and the first sending module 503 is only a division of logic functions, and the two may be integrated or independent physically.
The first receiving module is used for receiving a first random number sent by the bidding terminal;
the first calculation module is used for calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result;
the first sending module is used for carrying out private key signature on the first calculation result and then sending the first calculation result to the second bidding end, so that the second bidding end verifies the private key signature of the first calculation result after the private key signature is received, if the verification is passed, the first calculation result is obtained, according to the difference value of the first calculation result and the quotation of the second bidding end, the first double-quotation calculation result is obtained, the first double-quotation calculation result is sent to the bidding end after the private key signature is carried out, wherein the first double-quotation calculation result after the private key signature is used for indicating the bidding end to carry out private key signature verification on the first double-quotation calculation result after the private key signature, and if the verification is passed, the first double-quotation calculation result is obtained, and the bid-winning result is determined according to the first double-quotation calculation result.
Optionally, the apparatus further comprises:
the second receiving module is used for receiving a second calculation result after the private key signature is sent by a second bidding terminal, wherein the second calculation result is a second random number sent by the second bidding terminal for receiving the bidding terminal, and calculating the sum of the offer of the second bidding terminal and the second random number to obtain a second calculation result;
the second verification module is used for verifying the private key signature of the second calculation result after the private key signature is verified, and if the private key signature passes the verification, the second calculation result is obtained;
and the second processing module is used for obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding terminal, and sending the second two-way quotation calculation result to the bidding terminal after the private key signature so that the bidding terminal can carry out validity verification on the bidding process according to the second two-way quotation calculation result and the first two-way quotation calculation result.
Optionally, the first receiving module is specifically configured to:
receiving a first random number encryption result sent by the bidding terminal;
and decrypting the encrypted result of the first random number according to the private key of the first bidding end to obtain the first random number.
The embodiment of the present application further provides another bid inviting and bidding data processing apparatus, which is applied to a bid inviting terminal, and the apparatus of the embodiment of the present application includes: the device comprises a second sending module, a first verification module, a first processing module and a first determination module. The bid data processing device may be a server or a terminal device, or a chip or an integrated circuit that realizes the functions of the server or the terminal device. It should be noted here that the division of the second sending module, the first verifying module, the first processing module and the first determining module is only a division of a logic function, and the two may be integrated or independent physically.
The second sending module is used for sending the first random number to the first bidding end so that the first bidding end receives the first random number sent by the bidding end, calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result, carrying out private key signature on the first calculation result and sending the first calculation result to the second bidding end, wherein the first calculation result after private key signature is used for indicating the second bidding end to verify the private key signature of the first calculation result after private key signature, if the first calculation result is verified, obtaining a first calculation result, obtaining a first double-side quotation calculation result according to the difference value of the first calculation result and the quotation of the second bidding end, and sending the first double-side quotation calculation result after private key signature to the bidding end;
the first verification module is used for carrying out private key signature verification on the first double-side quotation calculation result after the private key signature is received;
the first processing module is used for obtaining a first double-side quotation calculation result if the verification is passed;
and the first determining module is used for determining a bid-winning result according to the first double-side quotation calculation result.
Optionally, the apparatus further comprises:
the third sending module is used for sending a second random number to the second bidding end so that the second bidding end receives the second random number sent by the bidding end, calculating the sum of the quotation of the second bidding end and the second random number to obtain a second calculation result, carrying out private key signature on the second calculation result and sending the second calculation result to the first bidding end, wherein the second calculation result after the private key signature is used for indicating the first bidding end to verify the private key signature of the second calculation result after the private key signature, if the verification is passed, obtaining the second calculation result, obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding end, and sending the second two-way quotation calculation result to the bidding end after the private key signature;
and the third verification module is used for verifying the validity of the bidding process according to the second double-side quotation calculation result and the first double-side quotation calculation result after receiving the first double-side quotation calculation result signed by the private key.
Optionally, the second sending module is specifically configured to:
encrypting the first random number according to the public key of the first bidding end to obtain a first random number encryption result;
and sending the encrypted result of the first random number to the first bidding end.
The embodiment of the application also provides a bid data processing device.
Referring to fig. 6, a schematic structural diagram of a bidding data processing device 600 suitable for implementing the embodiments of the present disclosure is shown, and the bidding data processing device 600 may be a terminal device or a server. Among them, the terminal Device may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a Digital broadcast receiver, a Personal Digital Assistant (PDA), a tablet computer (PAD), a Portable Multimedia Player (PMP), a car terminal (e.g., car navigation terminal), etc., and a fixed terminal such as a Digital TV, a desktop computer, etc. The bidding data processing apparatus shown in fig. 6 is only an example, and should not impose any limitation on the function and scope of use of the embodiments of the present disclosure.
As shown in fig. 6, bidding data processing apparatus 600 may include a processing device (e.g., central processing unit, graphics processor, etc.) 601 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 602 or a program loaded from a storage device 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data necessary for the operation of the bid data processing apparatus 600 are also stored. The processing device 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
Generally, the following devices may be connected to the I/O interface 605: input devices 606 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 607 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 608 including, for example, tape, hard disk, etc.; and a communication device 609. The communication means 609 may allow the bidding data processing apparatus 600 to communicate with other apparatuses wirelessly or by wire to exchange data. While FIG. 6 illustrates bidding data processing apparatus 600 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may be alternatively implemented or provided.
In particular, the processes described above with reference to the flow diagrams may be implemented as computer software programs, according to embodiments of the present disclosure. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 609, or installed from the storage means 608, or installed from the ROM 602. The computer program, when executed by the processing device 601, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium of the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be included in the bid data processing apparatus; or may exist separately and not be installed in the bidding data processing apparatus.
The computer readable medium carries one or more programs which, when executed by the bid data processing apparatus, cause the bid data processing apparatus to perform the method shown in the embodiments described above.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of Network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is only a logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (12)
1. A bidding data processing method is applied to a first bidding terminal and comprises the following steps:
receiving a first random number sent by a bidding terminal;
calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result;
and sending the first calculation result to a second bidding end after private key signature is carried out on the first calculation result, so that the second bidding end verifies the private key signature of the first calculation result after the private key signature is received, if the verification is passed, the first calculation result is obtained, a first double-side quotation calculation result is obtained according to the difference value of the first calculation result and the quotation of the second bidding end, and the first double-side quotation calculation result is sent to the bidding end after the private key signature is carried out, wherein the first double-side quotation calculation result after the private key signature is used for indicating the bidding end to carry out private key signature verification on the first double-side quotation calculation result after the private key signature is carried out, if the verification is passed, the first double-side quotation calculation result is obtained, and a bid-winning result is determined according to the first double-side quotation calculation result.
2. The method of claim 1, further comprising:
receiving a second calculation result after the private key signature sent by the second bidding terminal, wherein the second calculation result is a second calculation result obtained by the second bidding terminal receiving a second random number sent by the bidding terminal and calculating the sum of the offer of the second bidding terminal and the second random number;
verifying the private key signature of the second calculation result after the private key signature, and if the private key signature passes the verification, obtaining the second calculation result;
and obtaining a second two-way quotation calculation result according to the difference value between the second calculation result and the quotation of the first bidding terminal, and sending the second two-way quotation calculation result to the bidding terminal after signing by a private key, so that the bidding terminal can carry out validity verification on the bidding process according to the second two-way quotation calculation result and the first two-way quotation calculation result.
3. The method according to claim 1 or 2, wherein the receiving the first random number sent by the bidding terminal comprises:
receiving a first random number encryption result sent by a bidding terminal;
and decrypting the encrypted result of the first random number according to a private key of the first bidding end to obtain the first random number.
4. A bid and tender data processing method is applied to a bid and tender end and comprises the following steps:
sending a first random number to a first bidding terminal to enable the first bidding terminal to receive the first random number sent by the bidding terminal, calculating the sum of the quotation of the first bidding terminal and the first random number to obtain a first calculation result, carrying out private key signature on the first calculation result and sending the first calculation result to a second bidding terminal, wherein the first calculation result after private key signature is used for indicating the second bidding terminal to verify the private key signature of the first calculation result after private key signature, if the verification is passed, obtaining the first calculation result, obtaining a first double-side quotation calculation result according to the difference value of the first calculation result and the quotation of the second bidding terminal, and sending the first double-side quotation calculation result to the bidding terminal after private key signature;
after receiving a first double-side quotation calculation result signed by a private key, carrying out private key signature verification on the first double-side quotation calculation result signed by the private key;
if the verification is passed, obtaining a first double-party quotation calculation result;
and determining a winning result according to the first double-side quotation calculation result.
5. The method of claim 4, further comprising:
sending a second random number to a second bidding terminal so that the second bidding terminal receives a second random number sent by the bidding terminal, calculates the sum of the offer of the second bidding terminal and the second random number to obtain a second calculation result, and sends the second calculation result to the first bidding terminal after private key signature, wherein the second calculation result after private key signature is used for indicating the first bidding terminal to verify the private key signature of the second calculation result after private key signature, if the verification is passed, the second calculation result is obtained, a second double-side offer calculation result is obtained according to the difference value between the second calculation result and the offer of the first bidding terminal, and the second double-side offer calculation result is sent to the bidding terminal after private key signature;
and after receiving a first double-side quotation calculation result signed by a private key, carrying out validity verification on the bidding process according to the second double-side quotation calculation result and the first double-side quotation calculation result.
6. The method of claim 4 or 5, wherein said sending the first random number to the first bidder comprises:
encrypting the first random number according to the public key of the first bidding end to obtain a first random number encryption result;
and sending the encrypted result of the first random number to the first bidding end.
7. A bid data processing device applied to a first bidding terminal comprises:
the first receiving module is used for receiving a first random number sent by the bidding terminal;
the first calculation module is used for calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result;
the first sending module is used for carrying out private key signature on the first calculation result and then sending the first calculation result to a second bidding end, so that the second bidding end verifies the private key signature of the first calculation result after receiving the first calculation result after the private key signature, if the verification is passed, the first calculation result is obtained, a first double-side quotation calculation result is obtained according to the difference value of quotations of the first calculation result and the second bidding end, the first double-side quotation calculation result is sent to the bidding end after the private key signature is carried out, wherein the first double-side quotation calculation result after the private key signature is used for indicating the bidding end to carry out private key signature verification on the first double-side quotation calculation result after the private key signature, and if the verification is passed, the first double-side quotation calculation result is obtained, and a bid-winning result is determined according to the first double-side quotation calculation result.
8. A bid and tender data processing device is applied to a bid and tender end and comprises the following components:
the second sending module is used for sending a first random number to a first bidding end so that the first bidding end receives the first random number sent by the bidding end, calculating the sum of the quotation of the first bidding end and the first random number to obtain a first calculation result, carrying out private key signature on the first calculation result and sending the first calculation result to a second bidding end, wherein the first calculation result after private key signature is used for indicating the second bidding end to verify the private key signature of the first calculation result after private key signature, if the first calculation result is verified to pass, obtaining a first double-side quotation calculation result according to the difference value of the first calculation result and the quotation of the second bidding end, and sending the first double-side quotation calculation result after private key signature to the bidding end;
the first verification module is used for verifying the private key signature of the first double-side quotation calculation result after the private key signature is received;
the first processing module is used for obtaining a first double-party quotation calculation result if the verification is passed;
and the first determining module is used for determining a winning bid result according to the first double-side quotation calculation result.
9. A bid data processing apparatus, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a bid data processing method according to any one of claims 1 to 3.
10. A bid data processing apparatus, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a bid data processing method according to any one of claims 4 to 6.
11. A computer-readable storage medium having computer-executable instructions stored therein, which when executed by a processor, are configured to implement the bidding data processing method according to any one of claims 1 to 3.
12. A computer-readable storage medium having stored therein computer-executable instructions for implementing the bidding data processing method according to any one of claims 4 to 6 when executed by a processor.
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