CN113191750A - Block chain network secure transaction system and method - Google Patents
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Abstract
The invention relates to the technical field of blockchain network security, and discloses a blockchain network secure transaction system and a blockchain network secure transaction method; the block chain network security transaction system is applied to a user terminal and comprises the following components: logging in an authentication system; the login authentication system is used for a user to log in a blockchain network secure transaction system, and the blockchain link is built between user terminals, so that an external network server is isolated, the security characteristic in transaction data transmission is further enhanced, and the combination of a public key system and an asymmetric encryption technology is adopted to form the security guarantee in the communication process of a client and the server, so that the risk of information leakage in the transaction of an intermediate platform is reduced, the economic loss caused by exchange rate conversion of the intermediate platform can be reduced in the transaction, the transaction completion efficiency is higher, the economic benefit is guaranteed, the ledger data is recorded by a plurality of endpoints, the possibility of falsification of the ledger data at a single endpoint is avoided, and the possibility of transaction repudiation is avoided.
Description
Technical Field
The invention belongs to the technical field of block chain network security, and particularly relates to a block chain network secure transaction system and a block chain network secure transaction method.
Background
The TIME currency is a basic metering unit for people to create value by applying intelligence and labor in unit effective TIME, and is one of basic metering units in a TIME currency system. The time money is widely used in time banks around the world, and can be conveniently used for various payments, transfer accounts, settlement, remittances and the like worldwide. Thus, the time currency can provide settlement for transactions of various services and assets on a global scale.
A blockchain is a database with data "hash validation" functionality. The blocks are data blocks, the data blocks are combined into a chain structure according to the time sequence, and the reliability of the database is maintained collectively in a distributed accounting mode by using a cryptographic algorithm. All data blocks are connected in time sequence, thereby forming a block chain.
With the arrival of the internet plus era, the time currency transaction is also started, but in the existing time currency transaction, a user cannot isolate an external network server when conducting transaction, so that the risk of transaction data leakage is caused, the security of the transaction data cannot be well guaranteed, and when the transaction is carried out through an intermediate platform, the economic loss caused by exchange rate conversion cannot be avoided, so that the economic benefit is reduced, the single storage of the account book data also has the risk of repudiation by the transaction; therefore, improvements are now needed in view of the current situation.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a block chain network safe transaction system and a block chain network safe transaction method, which effectively solve the problem that time currency transaction is started along with the arrival of the 'internet plus' era, but in the existing time currency transaction, a user cannot isolate an external network server when in transaction, so that the risk of transaction data leakage is caused, the safety of the transaction data cannot be well ensured, and when the transaction is carried out through an intermediate platform, economic loss caused by exchange rate conversion cannot be avoided, so that the economic benefit is reduced, the account book data is singly stored, and the problem of the risk of repudiation of the transaction also exists.
In order to achieve the purpose, the invention provides the following technical scheme: a block chain network secure transaction system is applied to a user terminal and comprises:
logging in an authentication system; the login authentication system is used for a user to log in a block chain network security transaction system, the user obtains a public signature after logging in for the first time, the login authentication system is used for correspondingly recognizing an HTTP (hyper text transport protocol) protocol state based on a user account and a password of a session technology, correspondingly recognizing a JSON-Web-Token protocol state based on a user account and a password of a Token technology or correspondingly recognizing a JSONHTTP protocol state based on a user account and a password of the Token technology, and the login authentication system is specifically used for correspondingly recognizing an APP and a Web based on a mobile phone or a computer;
a transaction encryption system; the transaction encryption system is used for encrypting a user terminal transaction by a secret key, calculating a hash value of the user terminal transaction, and sending the public signature and encrypted transaction data to a service terminal, and is a data identification encryption unit based on an asymmetric encryption technology, and comprises a private key unit, a public key unit, a first encryption unit and a second encryption unit;
a server linking system; the server link system is used for establishing a corresponding link relation for two user terminals of a transaction after the transaction data is verified to be correct by the service terminal, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, and after the verification is completed, the link relation is established, the server link system is a server corresponding link channel based on a block chain security technology, and the server link system further comprises a firewall security authentication unit, an information encryption security authentication unit, an identity security authentication unit, a security protocol authentication unit and an intrusion detection security authentication unit;
a sharing session system; the sharing session system is used for establishing a corresponding link relationship for the two user terminals after the server link system establishes the corresponding link relationship, the sharing session system is used for establishing an exchange link between the two user terminals, the exchange link is damaged immediately after the two user terminals finish transaction, all conversations are stored after being encrypted by respective terminal keys, and the sharing session system comprises a firewall security authentication unit, an information encryption security authentication unit and an identity security authentication unit.
Preferably, the blockchain network secure transaction system is applied to a service terminal, and includes:
a transaction computing system; the transaction computing system is used for disclosing the transaction data encrypted by the transaction encryption system, decrypting the transaction data by part of users in the user terminal, computing the hash value of the transaction data, establishing a link between the part of users and a terminal user for sending the transaction data after the data correspond to each other, and sending the data to the transaction verification system;
a transaction verification system; the transaction verification system is used for carrying out re-accounting on the hash value of the transaction Data subjected to decryption calculation, after the hash value is in accordance with the user terminals and the transaction calculation system, a block chain account book is established and sent to the two user terminals which are connected with the server link system in a corresponding link relationship and part of the user terminals which finish decryption calculation on the transaction Data in the transaction calculation system, the block chain account book is encrypted through a terminal corresponding encryption unit when being sent to the terminals, and the transaction verification system is a unit Data verification system based on a Data-Sentinel technology.
Preferably, the login authentication system comprises a user registration unit, an asset statistics unit and an asset transaction unit, wherein the user registration unit comprises an intelligent signature generation module, and the asset statistics unit and the asset transaction unit comprise report creation, sorting and updating modules.
Preferably, the private key unit and the public key unit correspond to the first encryption unit and the second encryption unit, respectively, and the transaction encryption system includes a transaction query module.
Preferably, the transaction computing system comprises a signature disclosure module, the transaction computing system being provided with a reward unit.
Preferably, the blockchain network secure transaction method includes the following steps:
s1: user login: after the user registers through the user registration unit, the user logs in for the first time through the login authentication system to obtain a public signature, and then the asset counting unit counts the assets of the user terminal and creates an asset report;
s2: encrypting the transaction: when a user terminal needs to perform transaction, a first encryption unit and a second encryption unit of a transaction encryption system encrypt the transaction of the user terminal through a secret key, calculate a hash value of the transaction, and send the public signature and the encrypted transaction data to a service terminal;
s3: calculating and verifying: when the transaction data are sent to the service terminal, a transaction computing system of the service terminal discloses the transaction data, part of users decrypt the transaction data and calculate a hash value of the transaction data, after the data correspond to each other, a link between the part of users and a terminal user sending the transaction data is established, the data are sent to a transaction verification system, the transaction verification system performs secondary accounting on the hash value of the transaction data subjected to decryption calculation, after the accounting hash value is consistent with the user terminal and the transaction computing system, a block chain ledger is established and sent to two user terminals of the server link system establishing a corresponding link relationship and part of user terminals of the transaction computing system completing decryption calculation of the transaction data, and the block chain ledger is encrypted by a corresponding terminal encryption unit when the block chain ledger is sent to the terminal;
s4: building a block chain: after the block chain account book is confirmed, the server link system establishes a corresponding link relation for two user terminals of a transaction, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, after verification is completed, the link relation is established, an exchange link is established through a shared session system at the same time, after the transaction of the two user terminals is completed, the exchange link and the corresponding link relation established by the two user terminals are immediately damaged, all conversations are stored after being encrypted by respective terminal keys, and then the whole transaction is completed. .
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the block chain link is built between the user terminals, the external network server is isolated, the link safety is ensured by means of a firewall safety authentication unit, an information encryption safety authentication unit, an identity safety authentication unit, a safety protocol authentication unit, an intrusion detection safety authentication unit and the like when the link is built, the safety characteristic in transaction data transmission is further enhanced, and the safety guarantee in the communication process of a client and the server is formed by combining a public key system and an asymmetric encryption technology;
2. according to the invention, the block chain link is built between the user terminals to carry out direct transaction, so that the risk of information leakage in the transaction of the intermediate platform is reduced, the economic loss caused by exchange rate conversion of the intermediate platform can be reduced in the transaction, and the transaction completion efficiency is higher and the economic benefit is guaranteed due to the one-to-one block chain link;
3. the invention decrypts transaction data through part of users of a transaction computing system, calculates the hash value of the transaction data, establishes a link between the part of users and a terminal user for sending the transaction data after the data correspond, sends the data to a transaction verification system, establishes a block chain account book after the hash value is consistent with the user terminal and the transaction computing system, and sends the block chain account book to two user terminals establishing a corresponding link relation in a server link system and the part of user terminals completing decryption calculation of the transaction data in the transaction computing system, the block chain account book is encrypted through a terminal corresponding encryption unit when being sent to the terminal, and a plurality of endpoints record the account book data, thereby avoiding the possibility of falsification of the account book data at a single endpoint, ensuring the security after the transaction, and avoiding the possibility of transaction repudiation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a block diagram of a user terminal according to the present invention;
FIG. 2 is a schematic block diagram of a service terminal structure according to the present invention;
FIG. 3 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: a block chain network secure transaction system is applied to a user terminal and comprises:
logging in an authentication system; the login authentication system is used for a user to log in a block chain network security transaction system, the user obtains a public signature after logging in for the first time, the login authentication system is used for correspondingly recognizing an HTTP (hyper text transport protocol) protocol state based on a user account and a password of a session technology, correspondingly recognizing a JSON-Web-Tokens protocol state based on a user account and a password of a Token technology or correspondingly recognizing a JSONHTTP protocol state based on a user account and a password of a Token technology, and the login authentication system is specifically used for correspondingly recognizing an APP and a Web based on a mobile phone or a computer;
a transaction encryption system; the transaction encryption system is used for encrypting the transaction of the user terminal by a secret key, calculating a hash value of the transaction, and sending the public signature and the encrypted transaction data to the service terminal, and is a data identification encryption unit based on an asymmetric encryption technology;
a server linking system; the server link system is used for establishing a corresponding link relation for two user terminals of a transaction after the transaction data is verified to be correct by the service terminal, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, after the verification is completed, the link relation is established, the server link system is a server corresponding link channel based on a block chain security technology, and the server link system further comprises a firewall security authentication unit, an information encryption security authentication unit, an identity security authentication unit, a security protocol authentication unit and an intrusion detection security authentication unit;
a sharing session system; the shared session system is used for establishing a corresponding link relation for the two user terminals after the server link system establishes the corresponding link relation, the shared session system is used for establishing an exchange link between the two user terminals, the exchange link is damaged immediately after the two user terminals finish transaction, all conversations are stored after being encrypted by respective terminal keys, and the shared session system comprises a firewall security authentication unit, an information encryption security authentication unit and an identity security authentication unit.
As shown in fig. 2, a blockchain network secure transaction system applied to a service terminal includes:
a transaction computing system; the transaction computing system is used for disclosing the transaction data encrypted by the transaction encryption system, decrypting the transaction data by part of users in the user terminal, computing the hash value of the transaction data, establishing a link between the part of users and a terminal user for sending the transaction data after the data correspond to each other, and sending the data to the transaction verification system;
a transaction verification system; the transaction verification system is used for carrying out re-accounting on the hash value of the transaction Data subjected to decryption calculation, after the hash value is in accordance with the user terminals and the transaction calculation system, a block chain account book is established and is sent to the two user terminals which are connected with the server link system in a corresponding link relationship and part of the user terminals which finish decryption calculation on the transaction Data in the transaction calculation system, the block chain account book is encrypted through the corresponding terminal encryption unit when being sent to the terminals, and the transaction verification system is a unit Data verification system based on a Data-Sentinel technology.
The login authentication system comprises a user registration unit, an asset counting unit and an asset transaction unit, wherein the user registration unit comprises an intelligent signature generation module, and the asset counting unit and the asset transaction unit comprise report creation, sorting and updating modules; the private key unit and the public key unit respectively correspond to the first encryption unit and the second encryption unit, and the transaction encryption system comprises a transaction inquiry module; the transaction computing system includes a signature disclosure module, the transaction computing system being provided with a reward unit.
The block chain link is built between the user terminals, the extranet server is isolated, the link safety is ensured by means of a firewall safety authentication unit, an information encryption safety authentication unit, an identity safety authentication unit, a safety protocol authentication unit, an intrusion detection safety authentication unit and the like when the link is built, the safety characteristic in transaction data transmission is further enhanced, and the safety guarantee in the communication process of a client and the server is formed by combining a public key system and an asymmetric encryption technology; the block chain link is built between the user terminals to carry out direct transaction, so that the risk of information leakage in the transaction of the intermediate platform is reduced, the economic loss caused by exchange rate conversion of the intermediate platform can be reduced in the transaction, the transaction completion efficiency is higher and the economic benefit is guaranteed due to the one-to-one block chain link; the transaction data is decrypted by part of users of the transaction computing system, the hash value of the transaction data is calculated, after the data correspond, a link between the part of users and a terminal user for sending the transaction data is established, the data are sent to the transaction verification system, after the hash value is checked to be consistent with the user terminal and the transaction computing system, a block chain account book is established and sent to two user terminals of the server link system for establishing a corresponding link relation and the part of user terminals completing decryption calculation of the transaction data in the transaction computing system, the block chain account book is encrypted by a terminal corresponding encryption unit when being sent to the terminal, and the account book data is recorded by a plurality of endpoints.
As shown in fig. 3, a method for secure transaction in a blockchain network includes the following steps:
s1: user login: after the user registers through the user registration unit, the user logs in for the first time through the login authentication system to obtain a public signature, and then the asset counting unit counts the assets of the user terminal and creates an asset report;
s2: encrypting the transaction: when a user terminal needs to perform transaction, a first encryption unit and a second encryption unit of a transaction encryption system encrypt the transaction of the user terminal through a secret key, calculate a hash value of the transaction, and send the public signature and the encrypted transaction data to a service terminal;
s3: calculating and verifying: when the transaction data are sent to the service terminal, a transaction computing system of the service terminal discloses the transaction data, part of users decrypt the transaction data and calculate a hash value of the transaction data, after the data correspond to each other, a link between the part of users and a terminal user sending the transaction data is established, the data are sent to a transaction verification system, the transaction verification system performs secondary accounting on the hash value of the transaction data subjected to decryption calculation, after the accounting hash value is consistent with the user terminal and the transaction computing system, a block chain ledger is established and sent to two user terminals of the server link system establishing a corresponding link relationship and part of user terminals of the transaction computing system completing decryption calculation of the transaction data, and the block chain ledger is encrypted by a corresponding terminal encryption unit when the block chain ledger is sent to the terminal;
s4: building a block chain: after the block chain account book is confirmed, the server link system establishes a corresponding link relation for two user terminals of a transaction, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, after verification is completed, the link relation is established, an exchange link is established through a shared session system at the same time, after the transaction of the two user terminals is completed, the exchange link and the corresponding link relation established by the two user terminals are immediately damaged, all conversations are stored after being encrypted by respective terminal keys, and then the whole transaction is completed.
Through the steps, the transaction can be completed quickly, the economic loss caused by exchange rate conversion of the intermediate platform is avoided, and the economic benefit is guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A block chain network secure transaction system is applied to a user terminal, and is characterized in that: the method comprises the following steps:
logging in an authentication system; the login authentication system is used for a user to log in a block chain network security transaction system, the user obtains a public signature after logging in for the first time, the login authentication system is used for correspondingly recognizing an HTTP (hyper text transport protocol) protocol state based on a user account and a password of a session technology, correspondingly recognizing a JSON-Web-Token protocol state based on a user account and a password of a Token technology or correspondingly recognizing a JSONHTTP protocol state based on a user account and a password of the Token technology, and the login authentication system is specifically used for correspondingly recognizing an APP and a Web based on a mobile phone or a computer;
a transaction encryption system; the transaction encryption system is used for encrypting a user terminal transaction by a secret key, calculating a hash value of the user terminal transaction, and sending the public signature and encrypted transaction data to a service terminal, and is a data identification encryption unit based on an asymmetric encryption technology, and comprises a private key unit, a public key unit, a first encryption unit and a second encryption unit;
a server linking system; the server link system is used for establishing a corresponding link relation for two user terminals of a transaction after the transaction data is verified to be correct by the service terminal, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, and after the verification is completed, the link relation is established, the server link system is a server corresponding link channel based on a block chain security technology, and the server link system further comprises a firewall security authentication unit, an information encryption security authentication unit, an identity security authentication unit, a security protocol authentication unit and an intrusion detection security authentication unit;
a sharing session system; the sharing session system is used for establishing a corresponding link relationship for the two user terminals after the server link system establishes the corresponding link relationship, the sharing session system is used for establishing an exchange link between the two user terminals, the exchange link is damaged immediately after the two user terminals finish transaction, all conversations are stored after being encrypted by respective terminal keys, and the sharing session system comprises a firewall security authentication unit, an information encryption security authentication unit and an identity security authentication unit.
2. The system of claim 1, wherein: applied to a service terminal, comprising:
a transaction computing system; the transaction computing system is used for disclosing the transaction data encrypted by the transaction encryption system, decrypting the transaction data by part of users in the user terminal, computing the hash value of the transaction data, establishing a link between the part of users and a terminal user for sending the transaction data after the data correspond to each other, and sending the data to the transaction verification system;
a transaction verification system; the transaction verification system is used for carrying out re-accounting on the hash value of the transaction Data subjected to decryption calculation, after the hash value is in accordance with the user terminals and the transaction calculation system, a block chain account book is established and sent to the two user terminals which are connected with the server link system in a corresponding link relationship and part of the user terminals which finish decryption calculation on the transaction Data in the transaction calculation system, the block chain account book is encrypted through a terminal corresponding encryption unit when being sent to the terminals, and the transaction verification system is a unit Data verification system based on a Data-Sentinel technology.
3. The system of claim 1, wherein: the login authentication system comprises a user registration unit, an asset counting unit and an asset transaction unit, wherein the user registration unit comprises an intelligent signature generation module, and the asset counting unit and the asset transaction unit comprise report creation, sorting and updating modules.
4. The system of claim 1, wherein: the private key unit and the public key unit respectively correspond to the first encryption unit and the second encryption unit, and the transaction encryption system comprises a transaction query module.
5. The system and method of claim 2, wherein the system comprises: the transaction computing system includes a signature disclosure module, the transaction computing system being provided with a reward unit.
6. A blockchain network secure transaction method according to claims 1-5, wherein: the method comprises the following steps:
s1: user login: after the user registers through the user registration unit, the user logs in for the first time through the login authentication system to obtain a public signature, and then the asset counting unit counts the assets of the user terminal and creates an asset report;
s2: encrypting the transaction: when a user terminal needs to perform transaction, a first encryption unit and a second encryption unit of a transaction encryption system encrypt the transaction of the user terminal through a secret key, calculate a hash value of the transaction, and send the public signature and the encrypted transaction data to a service terminal;
s3: calculating and verifying: when the transaction data are sent to the service terminal, a transaction computing system of the service terminal discloses the transaction data, part of users decrypt the transaction data and calculate a hash value of the transaction data, after the data correspond to each other, a link between the part of users and a terminal user sending the transaction data is established, the data are sent to a transaction verification system, the transaction verification system performs secondary accounting on the hash value of the transaction data subjected to decryption calculation, after the accounting hash value is consistent with the user terminal and the transaction computing system, a block chain ledger is established and sent to two user terminals of the server link system establishing a corresponding link relationship and part of user terminals of the transaction computing system completing decryption calculation of the transaction data, and the block chain ledger is encrypted by a corresponding terminal encryption unit when the block chain ledger is sent to the terminal;
s4: building a block chain: after the block chain account book is confirmed, the server link system establishes a corresponding link relation for two user terminals of a transaction, before the link relation is established, the user terminals of the two users mutually unlock encryption units of opposite link ends, after verification is completed, the link relation is established, an exchange link is established through a shared session system at the same time, after the transaction of the two user terminals is completed, the exchange link and the corresponding link relation established by the two user terminals are immediately damaged, all conversations are stored after being encrypted by respective terminal keys, and then the whole transaction is completed.
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| US20190311357A1 (en) * | 2018-04-04 | 2019-10-10 | Vijay Madisetti | Method and System for Exchange of Value or Tokens Between Blockchain Networks |
| CN108737422A (en) * | 2018-05-23 | 2018-11-02 | 栾友祥 | A kind of network security mobile-payment system based on block chain |
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