CN114285632B - Block chain data transmission method, device and equipment and readable storage medium - Google Patents
Block chain data transmission method, device and equipment and readable storage medium Download PDFInfo
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Abstract
The invention relates to the technical field of blockchain, in particular to a blockchain data transmission method, a device and equipment and a readable storage medium, wherein the method comprises the following steps: responding to a data transmission request sent by a client, and calling corresponding first data to be transmitted according to the data transmission request; encrypting the first data to be transmitted to obtain first encrypted data; transmitting the first encrypted data to a data receiving node; the invention utilizes two characteristics in the block chain network, wherein the first characteristic is that the block chain node is provided with a specific data receiving interface which is always in an on state, and further, the reservation of a transmission interface is not needed, and the second characteristic is that the block chain node is provided with public keys of all other nodes, and further, the public keys of the other nodes are not required, so that when encrypted data are transmitted between the nodes, the encrypted data are directly transmitted to a receiving party without carrying out a plurality of handshakes in advance, and the data transmission period of the block chain network is greatly shortened.
Description
Technical Field
The present invention relates to the field of blockchain technologies, and in particular, to a blockchain data transmission method, device and apparatus, and a readable storage medium.
Background
The conventional encryption transmission method needs to carry out three or four handshakes before data transmission, and then transmits the data, so that a great deal of time is wasted in the frequent transmission process of a great deal of encryption data, the transaction speed is reduced, and the block chain comprises public keys of all nodes in the block chain network, so that the conventional encryption data transmission method is not suitable for the conventional block chain network, and the block chain network needs a brand-new encryption data transmission mode conforming to the characteristics of the block chain network.
Disclosure of Invention
The present invention aims to provide a blockchain data transmission method, a device, equipment and a readable storage medium, so as to solve the above problems.
In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions:
in one aspect, an embodiment of the present application provides a blockchain data transmission method, applied to any data transmitting node in a blockchain network, the method including: responding to a data transmission request sent by a client, and calling corresponding first data to be transmitted according to the data transmission request; encrypting the first data to be transmitted to obtain first encrypted data; and transmitting the first encrypted data to a data receiving node.
Optionally, encrypting the first data to be transmitted to obtain first encrypted data includes:
the public key of the data receiving node is called as a first public key in a first local public account book;
according to the first public key and the first local private key, calculating to obtain a second character;
signing the first data to be transmitted to obtain a first character string;
combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
encrypting the first data to be transmitted through the first encryption key to obtain first encrypted sub-data;
and packaging the first encrypted sub data and the first character string to obtain first encrypted data.
In a second aspect, the present embodiment provides a blockchain data transmission method applied to any data receiving node in a blockchain network, the method includes:
receiving the first encrypted data, wherein the first encrypted data comprises first encrypted sub-data and a first character string;
the public key of the data sending node is called as a second public key in a second local public account book;
according to the second local private key and the second public key, calculating to obtain a second character;
combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
decrypting the first encrypted sub-data through the first encryption key to obtain first data to be transmitted;
bringing the first data to be transmitted, the first character string and the second public key into a signature verification model, and calculating to obtain a judgment mark;
and storing the first data to be transmitted into a preset storage block according to the judgment mark.
In a third aspect, the present embodiment provides a blockchain data transmission device applied to any data transmitting node in a blockchain network, the device includes:
the first calculation module is used for responding to a data transmission request sent by the client and calling corresponding first data to be transmitted according to the data transmission request;
the second calculation module is used for encrypting the first data to be transmitted to obtain first encrypted data;
and the first sending module is used for sending the first encrypted data to a data receiving node.
Optionally, the second computing module includes:
the first calling unit is used for calling the public key of the data receiving node in a first local public account book and recording the public key as a first public key;
the first calculation unit is used for calculating to obtain a second character according to the first public key and the first local private key;
the second computing unit is used for signing the first data to be transmitted to obtain a first character string;
the third calculation unit is used for combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
the fourth computing unit is used for encrypting the first data to be transmitted through the first encryption key to obtain first encrypted sub-data;
and the fifth calculation unit is used for packaging the first encrypted sub data and the first character string to obtain first encrypted data.
In a fourth aspect, the present embodiment provides a blockchain data transmission device applied to any data receiving node in a blockchain network, the device including:
the first receiving module is used for receiving the first encrypted data, and the first encrypted data comprises first encrypted sub-data and a first character string;
the first calling module is used for calling the public key of the data sending node in the second local public account book and recording the public key as a second public key;
the third calculation module is used for calculating a second character according to the second local private key and the second public key;
the fourth calculation module is used for combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
a fifth calculation module, configured to decrypt the first encrypted sub-data by using the first encryption key, to obtain first data to be transmitted;
the sixth calculation module is used for bringing the first data to be transmitted, the first character string and the second public key into a signature verification model, and calculating to obtain a judgment mark;
and a seventh calculation module, configured to store the first data to be transmitted into a preset storage block according to the determination identifier.
In a fifth aspect, embodiments of the present application provide a blockchain data transmission device that includes a memory and a processor. The memory is used for storing a computer program; the processor is configured to implement the steps of the blockchain data transmission method described above when executing the computer program.
In a sixth aspect, embodiments of the present application provide a readable storage medium having a computer program stored thereon, which when executed by a processor, implements the steps of the blockchain data transmission method described above.
The beneficial effects of the invention are as follows:
the invention utilizes two characteristics in the block chain network, wherein the first characteristic is that the block chain node is provided with a specific data receiving interface which is always in an on state, and further, the reservation of a transmission interface is not needed, and the second characteristic is that the block chain node is provided with public keys of all other nodes, and further, the public keys of the other nodes are not required, so that when encrypted data are transmitted between the nodes, the encrypted data are directly transmitted to a receiving party without carrying out a plurality of handshakes in advance, and the data transmission period of the block chain network is greatly shortened.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for blockchain data transmission for a data originating node according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a block chain data transmission device suitable for use in a data originating node according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a block chain data transmission device according to an embodiment of the present invention;
FIG. 4 is a flowchart of a block chain data transmission method suitable for a data receiving node according to an embodiment of the present invention;
fig. 5 is a schematic block chain data transmission device suitable for a data receiving node according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals or letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, the present embodiment provides a blockchain data transmission method, which is applicable to any data initiating node in a blockchain network, and the method includes step S1, step S2 and step S3.
Step S1, a data transmitting node responds to a data transmission request sent by a client, wherein the data request comprises I D of a data receiving node and a storage position of data to be transmitted, and corresponding first data to be transmitted is called according to the storage position of the data to be transmitted in the data transmission request;
s2, the data sending node encrypts the first data to be transmitted to obtain first encrypted data;
in step S2, the specific encryption manner may be:
s21, the data sending node invokes a public key of the data receiving node in a first local public account book, and records the public key as a first public key, wherein the first local public account book is a blockchain public account book stored on the data sending node;
s22, carrying the first public key and the first local private key into a key exchange algorithm, and calculating to obtain a second character, wherein the key of the data receiving node and the private key of the data sending node can still calculate the second character string through the key exchange algorithm;
s23, signing the first data to be transmitted to obtain a first character string;
s24, combining the first character string and the second character string in a preset combination mode to obtain a first encryption key, wherein the preset combination mode is a mode which is appointed by a participating node in the superposition of the second character string and the second character string in advance when the blockchain network is constructed, such as product, addition, subtraction, hash and the like, the superposition mode is only known by the nodes in the blockchain network, and no change or periodic negotiation change is carried out in the transmission process, so that handshake before encrypted data transmission can be effectively avoided in this mode (corresponding combination superposition mode is appointed in advance before each transmission);
s25, encrypting the first data to be transmitted through the first encryption key to obtain first encrypted sub-data;
s26, packaging the first encrypted sub-data and the first character string to obtain first encrypted data, wherein the first character string has two functions, on one hand, when a malicious third party obtains the first encrypted data, the malicious third party cannot identify a signed node from the first character string, information of a data initiating node is hidden, a traditional signature verification needs to send the character string generated by the signature and signed original data, the original data necessarily contains data reflecting the signed node information, and the first encrypted data in the implementation only contains the signed character string, so that the privacy of the sending node is protected at a data layer; in the second aspect, the digital receiving node is convenient to verify the signature of the first character string under the condition that the transmission data plaintext is not transmitted, the verification mode is that the decrypted transmission data plaintext is signed through the first public key to obtain a character string, whether the character string is identical to the first character string or not is compared, and if the character string is identical to the first character string, the signature verification is completed.
Example 2
As shown in fig. 4, the present embodiment provides a blockchain data transmission method, which is applicable to any data receiving node in a blockchain network, and the method includes:
s41, the data receiving node receives first encrypted data, wherein the first encrypted data comprises first encrypted sub-data and a first character string;
s42, a public key of the data sending node is called in a second local public account book and is recorded as a second public key;
s43, calculating to obtain a second character according to a second local private key and the second public key;
s44, combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
s45, decrypting the first encrypted sub-data through the first encryption key to obtain first data to be transmitted;
s46, carrying the first data to be transmitted, the first character string and the second public key into a signature verification model, and calculating to obtain a judgment mark, wherein the judgment mark is correct or incorrect;
and S47, according to the judgment mark, if the judgment mark is correct, storing the first data to be transmitted into a preset backup storage block, and if the judgment mark is wrong, storing the first data to be transmitted into a preset to-be-deleted list.
The embodiment discloses how a data receiving node in a blockchain verifies data after receiving first encrypted data.
Example 3
As shown in fig. 2, the present embodiment provides a blockchain data transmission device, which is applied to any data transmitting node in a blockchain network, and the device includes:
a first calculation module 71, configured to respond to a data transmission request sent by a client, and invoke corresponding first data to be transmitted according to the data transmission request;
a second calculation module 72, configured to encrypt the first data to be transmitted to obtain first encrypted data;
a first sending module 73, configured to send the first encrypted data to a data receiving node.
In this embodiment, the second computing module 72 includes:
a first retrieving unit 721, configured to retrieve, in a first local public account book, a public key of the data receiving node, and record the public key as a first public key;
a first calculating unit 722, configured to calculate a second character according to the first public key and the first local private key;
a second computing unit 723, configured to sign the first data to be transmitted to obtain a first character string;
a third calculation unit 724, configured to combine the first string and the second string in a preset combination manner to obtain a first encryption key;
a fourth calculating unit 725, configured to encrypt the first data to be transmitted by using the first encryption key to obtain first encrypted sub-data;
and a fifth calculating unit 726, configured to package the first encrypted sub data and the first string to obtain first encrypted data.
Example 4
As shown in fig. 5, the present embodiment provides a blockchain data transmission device, which is applied to any data receiving node in a blockchain network, and the device includes:
a first receiving module 741, configured to receive the first encrypted data, where the first encrypted data includes first encrypted sub-data and a first string;
a first retrieving module 742, configured to retrieve, from the second local public ledger, a public key of the data sending node, denoted as a second public key;
a third calculation module 743, configured to calculate a second character according to a second local private key and the second public key;
a fourth calculation module 744, configured to combine the first character string and the second character string in a preset combination manner to obtain a first encryption key;
a fifth calculation module 745, configured to decrypt the first encrypted sub-data by using the first encryption key to obtain first data to be transmitted;
a sixth calculation module 746, configured to bring the first data to be transmitted, the first string, and the second public key into a signature verification model, and calculate a judgment identifier;
and a seventh calculating module 747, configured to store the first data to be transmitted to a preset storage block according to the determination identifier.
It should be noted that, regarding the apparatus in the above embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the embodiments regarding the method, and will not be described in detail herein.
Example 5
Corresponding to the above method embodiments, the present disclosure further provides a blockchain data transmission device, and a blockchain data transmission device described below and a blockchain data transmission method described above may be referred to correspondingly.
Fig. 3 is a block diagram illustrating a blockchain data transmission device 800 in accordance with an exemplary embodiment. As shown in fig. 3, the electronic device 800 may include: a processor 801, a memory 802. The electronic device 800 may also include one or more of a multimedia component 803, an input/output (I/O) interface 804, and a communication component 805.
The processor 801 is configured to control overall operation of the electronic device 800 to perform all or part of the above-described blockchain data transmission method. The memory 402 is used to store various types of data to support operation on the electronic device 800, which may include, for example, instructions for any application or method operating on the electronic device 800, as well as application-related data, such as contact data, messages sent and received, pictures, audio, video, and so forth. The Memory 802 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 803 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in the memory 802 or transmitted through the communication component 805. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the electronic device 800 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (Near FieldCommunication, NFC for short), 2G, 3G or 4G, or a combination of one or more thereof, the respective communication component 805 may thus comprise: wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the electronic device 800 can be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC), digital signal processor (DigitalSignal Processor, DSP), digital signal processing device (Digital Signal Processing Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field Programmable Gate Array, FPGA), controller, microcontroller, microprocessor, or other electronic components for performing the blockchain data transmission method described above.
In another exemplary embodiment, a computer readable storage medium is also provided that includes program instructions that when executed by a processor implement the steps of the blockchain data transmission method described above. For example, the computer readable storage medium may be the memory 802 described above including program instructions executable by the processor 801 of the electronic device 800 to perform the blockchain data transmission method described above.
Example 6
Corresponding to the above method embodiments, the present disclosure further provides a readable storage medium, and a readable storage medium described below and a blockchain data transmission method described above may be referred to correspondingly with each other.
A readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the blockchain data transmission method of the method embodiment described above.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, and the like.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method of blockchain data transmission, for use with any data transmitting node in a blockchain network, the method comprising:
responding to a data transmission request sent by a client, and calling corresponding first data to be transmitted according to the data transmission request;
encrypting the first data to be transmitted to obtain first encrypted data;
transmitting the first encrypted data to a data receiving node;
the encrypting the first data to be transmitted to obtain first encrypted data includes:
the public key of the data receiving node is called as a first public key in a first local public account book;
according to the first public key and the first local private key, calculating to obtain a second character string;
signing the first data to be transmitted to obtain a first character string;
combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
encrypting the first data to be transmitted through the first encryption key to obtain first encrypted sub-data;
and packaging the first encrypted sub data and the first character string to obtain first encrypted data.
2. A method of blockchain data transmission, for use with any data receiving node in a blockchain network, the method comprising:
receiving first encrypted data, wherein the first encrypted data comprises first encrypted sub-data and a first character string; the public key of the data sending node is called as a second public key in a second local public account book;
according to the second local private key and the second public key, calculating to obtain a second character string;
combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
decrypting the first encrypted sub-data through the first encryption key to obtain first data to be transmitted;
bringing the first data to be transmitted, the first character string and the second public key into a signature verification model, and calculating to obtain a judgment mark;
and storing the first data to be transmitted into a preset storage block according to the judgment mark.
3. A blockchain data transmission device for any data transmitting node in a blockchain network, the device comprising:
the first calculation module is used for responding to a data transmission request sent by the client and calling corresponding first data to be transmitted according to the data transmission request;
the second calculation module is used for encrypting the first data to be transmitted to obtain first encrypted data;
the first sending module is used for sending the first encrypted data to a data receiving node;
the encrypting the first data to be transmitted to obtain first encrypted data includes:
the public key of the data receiving node is called as a first public key in a first local public account book;
according to the first public key and the first local private key, calculating to obtain a second character string;
signing the first data to be transmitted to obtain a first character string;
combining the first character string and the second character string in a preset combination mode to obtain a first encryption key;
encrypting the first data to be transmitted through the first encryption key to obtain first encrypted sub-data;
and packaging the first encrypted sub data and the first character string to obtain first encrypted data.
4. A blockchain data transmission device for any data receiving node in a blockchain network, the device comprising:
the first receiving module is used for receiving first encrypted data, and the first encrypted data comprises first encrypted sub-data and a first character string;
the first calling module is used for calling the public key of the data sending node in the second local public account book and recording the public key as a second public key;
the third calculation module is used for calculating a second character string according to the second local private key and the second public key; a fourth calculation module, configured to combine the first string and the second string in a preset combination manner to obtain a first encryption key;
a fifth calculation module, configured to decrypt the first encrypted sub-data by using the first encryption key, to obtain first data to be transmitted;
the sixth calculation module is used for bringing the first data to be transmitted, the first character string and the second public key into a signature verification model, and calculating to obtain a judgment mark;
and a seventh calculation module, configured to store the first data to be transmitted into a preset storage block according to the determination identifier.
5. A blockchain data transmission device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the blockchain data transmission method of any of claims 1 to 2 when executing the computer program.
6. A readable storage medium, characterized by: the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the blockchain data transmission method of any of claims 1 to 2.
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| CN108768988B (en) * | 2018-05-17 | 2021-01-05 | 深圳前海微众银行股份有限公司 | Block chain access control method, block chain access control equipment and computer readable storage medium |
| CN109146679B (en) * | 2018-06-29 | 2023-11-10 | 创新先进技术有限公司 | Intelligent contract calling method and device based on block chain and electronic equipment |
| KR102294223B1 (en) * | 2018-12-28 | 2021-08-30 | 어드밴스드 뉴 테크놀로지스 씨오., 엘티디. | Parallel execution of transactions in a blockchain network based on a smart transaction whitelist |
| CN109951453A (en) * | 2019-02-26 | 2019-06-28 | 符安文 | A kind of safe encryption method based on block chain |
| CN110061845A (en) * | 2019-03-14 | 2019-07-26 | 深圳壹账通智能科技有限公司 | Block chain data ciphering method, device, computer equipment and storage medium |
| CN110225016B (en) * | 2019-05-31 | 2020-05-19 | 北京理工大学 | Data hidden transmission method based on block chain network |
| CN112073467A (en) * | 2020-08-11 | 2020-12-11 | 东软集团股份有限公司 | Block chain-based data transmission method and device, storage medium and electronic equipment |
| CN113709128A (en) * | 2021-08-19 | 2021-11-26 | 山东新一代信息产业技术研究院有限公司 | IROS system communication method and device based on block chain |
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