CN214474997U - Hard implementation equipment for SM4 encryption algorithm - Google Patents
Hard implementation equipment for SM4 encryption algorithm Download PDFInfo
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- CN214474997U CN214474997U CN202120844888.2U CN202120844888U CN214474997U CN 214474997 U CN214474997 U CN 214474997U CN 202120844888 U CN202120844888 U CN 202120844888U CN 214474997 U CN214474997 U CN 214474997U
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Abstract
The utility model discloses a hard equipment of realizing of SM4 encryption algorithm, including central data terminal equipment, improve the parallel encryption module of SM4, read execution command module and ModBus or IEC104 equipment, improve the parallel encryption module of SM4 and be used for encrypting the processing to data, improve the security and the real-time of data encryption, improve the problem consuming time when the data bulk is great, read execution command module and mainly based on ModBus or IEC104 equipment, read and carry out corresponding control command, ModBus and IEC104 equipment all adopt TCP/IP network protocol, transmit rather than central data terminal equipment, the utility model discloses the operation is reliable and stable, can improve security and real-time among the data transmission process, improves the not high problem of real-time when a large amount of data encryption transmit.
Description
Technical Field
The utility model relates to an encryption technology field specifically is a hard equipment of realizing of SM4 encryption algorithm.
Background
The SM4 algorithm is a grouping algorithm for wireless local area network products. The SM4 algorithm is officially approved by the State password administration in 2012, and the first commercial password algorithm for the wireless local area network in China has the characteristics of simplicity, safety and quickness. The packet length of the algorithm is 128 bits and the symmetric key length is 128 bits. Both the encryption algorithm and the key expansion algorithm adopt 32-round nonlinear iteration structures. The decryption algorithm has the same structure as the encryption algorithm, but the use sequence of the round keys is opposite, and the decryption round keys are the reverse sequence of the encryption round keys.
SM4 is often used for data transmission encryption for government systems, and this algorithm can be used by us using a front end to pass information to a back end, or by calls between different modules in a distributed scenario. The data of the parameters are encrypted, then the background decrypts the encrypted data and stores the decrypted data in the database, so that the problems that leakage is avoided in the data transmission process, the instantaneity is low when a large amount of data are encrypted and transmitted, and the like are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hard equipment of realizing of SM4 encryption algorithm can improve security and the real-time among the data transmission process, improves the not high problem of real-time when a large amount of data encrypt the transmission.
In order to achieve the above object, the utility model provides a following technical scheme: including central data terminal equipment, improve SM4 parallel encryption module, read execution command module and ModBus or IEC104 equipment, improve SM4 parallel encryption module and be used for carrying out encryption processing to data, improve data encryption's security and real-time, improve the problem of consuming time when the data bulk is great, read execution command module mainly based on ModBus or IEC104 equipment, read and carry out corresponding control command, ModBus and IEC104 equipment all adopt TCP/IP network protocol, transmit rather than central data terminal equipment.
Preferably, the improved SM4 parallel encryption module comprises a main memory, a CPU, a video memory and a GPU.
Preferably, the main memory is connected with the CPU, the video memory and the GPU are connected with each other, and the CPU is connected with the video memory.
Preferably, the read execution command module is based on a part of a ModBus or IEC104 device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the operation is reliable and stable, can improve security and the real-time among the data transmission process, improves the not high problem of real-time when a large amount of data encrypt the transmission.
Drawings
Fig. 1 is a block diagram of a hard implementation device for SM4 encryption algorithm.
Fig. 2 is a block diagram of the improved SM4 parallel encryption module structure of the present invention.
In the figure: 1-central data terminal equipment, 2-improved SM4 parallel encryption module, 3-read execution command module, 4-ModBus or IEC104 equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the system comprises a central data terminal device 1, an improved SM4 parallel encryption module 2, a read execution command module 3 and ModBus or IEC104 devices 4;
the improved SM4 parallel encryption module 2 is used for encryption processing of data, and the improved SM4 parallel encryption module 2 is linearly connected with the central data terminal equipment 1 and the reading execution command module 3; the improved SM4 parallel encryption module 2 comprises a main memory, a CPU, a video memory and a GPU, wherein the main memory is connected with the CPU, the video memory and the GPU are connected with each other, and the CPU is connected with the video memory.
The ModBus or IEC104 device 4 adopts a TCP/IP network protocol to transmit with the central data terminal device 1, and the read execution command module 3 is based on the part of the ModBus or IEC104 device 4.
Further, when the data enters the improved SM4 parallel encryption module 2, the CPU performs key expansion once to generate a round key, then stores the data block in the video memory, calls the GPU kernel function, and performs parallel encryption on the data block, where the encrypted data block is written into the video memory again, and finally the CPU retrieves the entire data block from the video memory and stores the entire data block in the main memory.
Under the condition of large data volume, the data are encrypted in parallel by using the GPU parallel computing capacity and the SM4 algorithm, and the real-time performance of encryption operation is improved.
Further, the central data terminal device 1 and the ModBus or IEC104 device 4 can both perform data transmission.
The utility model discloses a theory of operation does: the improved SM4 parallel encryption module 2 is connected with the central data terminal device 1, the ModBus or the IEC104 device 4, when data pass through the improved SM4 parallel encryption module 2, after one-time SM4 parallel data encryption transmission is completed, the encrypted data result is transmitted out, the encryption process is completed, and the safety and the real-time performance in the data transmission process are improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. An SM4 encryption algorithm hard implementation device, characterized by: the system comprises a central data terminal device (1), an improved SM4 parallel encryption module (2), a read execution command module (3) and a ModBus or IEC104 device (4);
the improved SM4 parallel encryption module (2) is used for encryption processing of data, and the improved SM4 parallel encryption module (2) is linearly connected with the central data terminal equipment (1) and the reading execution command module (3);
the ModBus or IEC104 device (4) adopts a TCP/IP network protocol to carry out transmission with the central data terminal device (1).
2. An SM4 encryption algorithm hard implementation device according to claim 1, characterized in that: the improved SM4 parallel encryption module (2) comprises a main memory, a CPU, a video memory and a GPU.
3. An SM4 encryption algorithm hard implementation device according to claim 2, characterized in that: the main memory is connected with the CPU, the video memory and the GPU are connected with each other, and the CPU is connected with the video memory.
4. An SM4 encryption algorithm hard implementation device according to claim 1, characterized in that: the read execution command module (3) is based on part of a ModBus or IEC104 device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844888.2U CN214474997U (en) | 2021-04-23 | 2021-04-23 | Hard implementation equipment for SM4 encryption algorithm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844888.2U CN214474997U (en) | 2021-04-23 | 2021-04-23 | Hard implementation equipment for SM4 encryption algorithm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214474997U true CN214474997U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120844888.2U Expired - Fee Related CN214474997U (en) | 2021-04-23 | 2021-04-23 | Hard implementation equipment for SM4 encryption algorithm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214474997U (en) |
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2021
- 2021-04-23 CN CN202120844888.2U patent/CN214474997U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |