CN112231735A - Data transmission method and system - Google Patents
Data transmission method and system Download PDFInfo
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- CN112231735A CN112231735A CN202011205539.2A CN202011205539A CN112231735A CN 112231735 A CN112231735 A CN 112231735A CN 202011205539 A CN202011205539 A CN 202011205539A CN 112231735 A CN112231735 A CN 112231735A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The embodiment of the invention discloses a data transmission method and a system, which comprises the following steps of reading data to be transmitted from a first memory in sequence according to an obtained reading address; selecting a corresponding data channel from pre-established access data channels for transmitting data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1; the data to be transmitted which is transmitted through the data channel is safely identified through the safety chip; and encrypting the data to be transmitted after passing the safety identification, and then storing the data to be transmitted in a second memory. The embodiment of the invention provides a data transmission method and a data transmission system, which are used for solving the problems of unstable data transmission and low transmission efficiency among devices in the prior art.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a data transmission method and a data transmission system.
Background
In a system comprising a computer and an external device, data interaction is required between the computer and the external device, specifically, the external device uploads uploaded data to a computer memory for processing by a computer processor, and the computer processor issues issued data in the computer memory to the external device. At present, when a computer performs data interaction with an external device, a data interaction process is completed by a computer processor, that is, the computer processor is responsible for transferring uploaded data in the external device to computer content and is responsible for transferring issued data in the computer content to the external device. However, in the existing data transmission scheme, data needs to be transmitted between devices, but the CPU occupancy of the devices is high, the data transmission is unstable, and the transmission efficiency is low.
Disclosure of Invention
Therefore, embodiments of the present invention provide a data transmission method and system, so as to solve the problems of unstable data transmission and low transmission efficiency between devices in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the data transmission method disclosed by the embodiment of the invention comprises the following steps:
s101, sequentially reading data to be transmitted from a first memory according to the obtained reading address;
s102, selecting a corresponding data channel from pre-established access data channels to transmit data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1;
s103, carrying out security identification on the data to be transmitted through the data channel through a security chip;
s104, encrypting the data to be transmitted after passing the safety identification, and then storing the data to be transmitted in a second memory.
Further, in S101, the instruction in the instruction register is read in advance, and the read address is obtained according to the read descriptor.
Further, in S102, information of data blocks in the transmission data is analyzed, priority levels of the data blocks are determined, and data blocks with high priority levels are preferentially transmitted through the data channel according to the priority levels of the data blocks.
Further, in S103, the first memory needs to be scanned first, and whether the first memory is authorized is determined, if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted.
Further, in S104, the data to be transmitted that is transmitted to the second storage needs to be decrypted, and the data query may be directly performed in the second storage.
The data transmission system disclosed by the embodiment of the invention comprises a data reading module, a channel processing module, a safety identification module and an encryption processing module; the data reading module is used for sequentially reading data to be transmitted from the first memory according to the obtained reading address; the channel processing module selects a corresponding data channel from pre-established access data channels to transmit the data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1; the safety identification module is used for carrying out safety identification on the data to be transmitted through the data channel through a safety chip; and the encryption processing module is used for encrypting the data to be transmitted after passing the security identification and then storing the data to be transmitted into the second memory.
Further, the data reading module reads the instruction in the instruction register in advance, and obtains the read address according to the read descriptor.
Furthermore, the channel processing module analyzes information of data blocks in the transmission data, determines priority levels of the data blocks, and preferentially transmits the data blocks with high priority levels through the data channels according to the priority levels of the data blocks.
Furthermore, the security identification module needs to scan the first memory first, and determine whether the first memory is authorized, if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted.
Furthermore, the encryption processing module needs to decrypt the data to be transmitted, which is transmitted to the second memory, and can directly perform data query in the second memory.
The embodiment of the invention has the following advantages:
according to the data transmission method and the data transmission system, the data is read in the first memory in a targeted manner according to the read address, so that the reading is accurate and quick, and the data processing efficiency is high; and for each acquired data block of the data to be transmitted, transmitting the data to be transmitted from a pre-established data channel according to the priority level of the data to be transmitted, then carrying out security identification processing on each data to be transmitted through the data channel, then carrying out encryption and decryption processing, and finally storing the data to be transmitted which meets the storage requirements in a second memory. Therefore, the data in the first memory is transmitted to the second memory through the data channel, the data moving process does not need the participation of a computer processor, and the computer processor can execute other data processing tasks in the data moving process, so that the data processing efficiency of the computer processor can be improved.
Drawings
Fig. 1 is a schematic flow chart of a data transmission method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data transmission system according to an embodiment 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 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.
Referring to fig. 1, an embodiment of the present invention discloses a data transmission method, including the following steps: s101, sequentially reading data to be transmitted from a first memory according to the obtained reading address; s102, selecting a corresponding data channel from pre-established access data channels to transmit data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1; s103, carrying out security identification on the data to be transmitted through the data channel through a security chip; s104, encrypting the data to be transmitted after passing the safety identification, and then storing the data to be transmitted in a second memory. According to the data transmission method and the data transmission system, the data is read in the first memory in a targeted manner according to the read address, so that the reading is accurate and quick, and the data processing efficiency is high; and for each acquired data block of the data to be transmitted, transmitting the data to be transmitted from a pre-established data channel according to the priority level of the data to be transmitted, then carrying out security identification processing on each data to be transmitted through the data channel, then carrying out encryption and decryption processing, and finally storing the data to be transmitted which meets the storage requirements in a second memory. Therefore, the data in the first memory is transmitted to the second memory through the data channel, the data moving process does not need the participation of a computer processor, and the computer processor can execute other data processing tasks in the data moving process, so that the data processing efficiency of the computer processor can be improved.
In S101, the instruction in the instruction register is read in advance, and a read address is acquired from the read descriptor.
In S102, information of data blocks in the transmission data is analyzed, priority levels of the data blocks are determined, and data blocks with high priority levels are preferentially transmitted through the data channel according to the priority levels of the data blocks.
In S103, the first memory needs to be scanned first, and whether the first memory is authorized is determined, if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted.
In S104, the data to be transmitted that is transmitted to the second storage needs to be decrypted, and the data query may be directly performed in the second storage.
Referring to fig. 2, the present embodiment discloses a data transmission system, which includes a data reading module, a channel processing module, a security identification module, and an encryption processing module; the data reading module is used for sequentially reading data to be transmitted from the first memory according to the obtained reading address; the channel processing module selects a corresponding data channel from pre-established access data channels to transmit the data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1; the safety identification module is used for carrying out safety identification on the data to be transmitted through the data channel through a safety chip; and the encryption processing module is used for encrypting the data to be transmitted after passing the security identification and then storing the data to be transmitted into the second memory.
The data reading module reads the instruction in the instruction register in advance, and obtains a reading address according to the read descriptor. The channel processing module analyzes the information of the data blocks in the transmission data, determines the priority level of each data block, and preferentially transmits the data blocks with high priority levels through the data channels according to the priority levels of the data blocks. The security identification module needs to scan the first memory first, judge whether the first memory is authorized, and if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted. The encryption processing module needs to decrypt the data to be transmitted to the second memory, and can directly perform data query in the second memory.
According to the data transmission method and the data transmission system, the data is read in the first memory in a targeted manner according to the read address, so that the reading is accurate and quick, and the data processing efficiency is high; and for each acquired data block of the data to be transmitted, transmitting the data to be transmitted from a pre-established data channel according to the priority level of the data to be transmitted, then carrying out security identification processing on each data to be transmitted through the data channel, then carrying out encryption and decryption processing, and finally storing the data to be transmitted which meets the storage requirements in a second memory. Therefore, the data in the first memory is transmitted to the second memory through the data channel, the data moving process does not need the participation of a computer processor, and the computer processor can execute other data processing tasks in the data moving process, so that the data processing efficiency of the computer processor can be improved.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A data transmission method, comprising the steps of:
s101, sequentially reading data to be transmitted from a first memory according to the obtained reading address;
s102, selecting a corresponding data channel from pre-established access data channels to transmit data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1;
s103, carrying out security identification on the data to be transmitted through the data channel through a security chip;
s104, encrypting the data to be transmitted after passing the safety identification, and then storing the data to be transmitted in a second memory.
2. A data transmission method according to claim 1, characterized in that: in S101, the instruction in the instruction register is read in advance, and a read address is acquired from the read descriptor.
3. A data transmission method according to claim 1, characterized in that: in S102, information of data blocks in the transmission data is analyzed, priority levels of the data blocks are determined, and data blocks with high priority levels are preferentially transmitted through the data channel according to the priority levels of the data blocks.
4. A data transmission method according to claim 1, characterized in that: in S103, the first memory needs to be scanned first, and whether the first memory is authorized is determined, if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted.
5. A data transmission method according to claim 1, characterized in that: in S104, the data to be transmitted that is transmitted to the second storage needs to be decrypted, and the data query may be directly performed in the second storage.
6. A data transmission system, characterized by: the system comprises a data reading module, a channel processing module, a security identification module and an encryption processing module; the data reading module is used for sequentially reading data to be transmitted from the first memory according to the obtained reading address; the channel processing module selects a corresponding data channel from pre-established access data channels to transmit the data to be transmitted according to the priority level of each data block in the data to be transmitted, wherein the number of the access data channels is not less than 1; the safety identification module is used for carrying out safety identification on the data to be transmitted through the data channel through a safety chip; and the encryption processing module is used for encrypting the data to be transmitted after passing the security identification and then storing the data to be transmitted into the second memory.
7. A data transmission system according to claim 6, characterized in that: the data reading module reads the instruction in the instruction register in advance and acquires a reading address according to the read descriptor.
8. A data transmission system according to claim 6, characterized in that: the channel processing module analyzes the information of the data blocks in the transmission data, determines the priority level of each data block, and preferentially transmits the data blocks with high priority levels through the data channels according to the priority levels of the data blocks.
9. A data transmission system according to claim 6, characterized in that: the security identification module needs to scan the first memory first, judge whether the first memory is authorized, and if not, the data channel is not connected; and if so, communicating the data channels and reading the data to be transmitted.
10. A data transmission system according to claim 6, characterized in that: the encryption processing module needs to decrypt the data to be transmitted to the second memory, and can directly perform data query in the second memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011205539.2A CN112231735A (en) | 2020-11-02 | 2020-11-02 | Data transmission method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011205539.2A CN112231735A (en) | 2020-11-02 | 2020-11-02 | Data transmission method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114499958A (en) * | 2021-12-24 | 2022-05-13 | 东软睿驰汽车技术（沈阳）有限公司 | Control method and device, vehicle and storage medium |
| CN116112444A (en) * | 2023-03-09 | 2023-05-12 | 天津瑞利通科技有限公司 | Information interaction method and system based on SPN transmission network architecture |
| CN116389138A (en) * | 2023-04-07 | 2023-07-04 | 深圳市众志天成科技有限公司 | Information security protection method and device based on data transmission |
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| CN116112444A (en) * | 2023-03-09 | 2023-05-12 | 天津瑞利通科技有限公司 | Information interaction method and system based on SPN transmission network architecture |
| CN116389138A (en) * | 2023-04-07 | 2023-07-04 | 深圳市众志天成科技有限公司 | Information security protection method and device based on data transmission |
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