CN218772114U - Cryptographic module suitable for Internet of things - Google Patents
Cryptographic module suitable for Internet of things Download PDFInfo
- Publication number
- CN218772114U CN218772114U CN202223223324.0U CN202223223324U CN218772114U CN 218772114 U CN218772114 U CN 218772114U CN 202223223324 U CN202223223324 U CN 202223223324U CN 218772114 U CN218772114 U CN 218772114U
- Authority
- CN
- China
- Prior art keywords
- pin
- cryptographic module
- internet
- things
- serial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 11
- 230000006855 networking Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- QWCRAEMEVRGPNT-UHFFFAOYSA-N buspirone Chemical group C1C(=O)N(CCCCN2CCN(CC2)C=2N=CC=CN=2)C(=O)CC21CCCC2 QWCRAEMEVRGPNT-UHFFFAOYSA-N 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model belongs to the technical field of data encryption, in particular to a cryptographic module applicable to the Internet of things; compared with the prior art, the utility model has the advantages of small volume, low delay, high encryption and decryption speed, no influence on the performance of the original equipment, high safety factor and little modification on the existing equipment; the module of the utility model occupies a small volume and can be well integrated in all the Internet of things devices; the module delay of the utility model is within 5ms, which can better adapt to various complex network environments; an independent hardware module is adopted for encryption and decryption operation, and the speed is high; interaction with the mcu of the original equipment is not needed on a software level, the method is completely independent of an operating system of the original equipment, and any resource of the original equipment is not occupied; compared with DES, RSA, MD5 and other international algorithms, the SM2, SM3 and SM4 cryptographic algorithms are adopted, so that the safety coefficient is high; the stamp hole patch mode is adopted and is connected in series with the network outlet, and the original equipment only needs to modify the design of the net port part.
Description
Technical Field
The utility model belongs to the technical field of the data encryption, concretely relates to cryptographic module that thing networking is suitable for.
Background
In the traditional industry, the data encryption technology of the front end of the internet of things mainly comprises three categories of data acquisition and communication information encryption, front-end equipment safety hardware encryption and software encryption.
The information encryption uses the international algorithms such as DES, RSA, MD5 and the like, and partial encryption is performed on some important information, the algorithms are international algorithms, and have vulnerabilities and rear door risks, and fixed keys are used and are easy to break.
At present, the general hardware encryption realizes the cryptographic operation through a special encryption chip or an independent processing chip and the like, and calls the cryptographic chip through a main chip to realize the encryption of data, which causes the encryption and decryption rate to be slow and occupies the main chip resource.
Software encryption is a software security protection technology for encrypting and decrypting information by calling an information security module before transmitting and receiving the information, and the method is not as secure as a hardware encryption method, and has low encryption and decryption speed and low efficiency.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a cryptographic module that thing networking was suitable for solves the above-mentioned problem.
The technical scheme is as follows: a cryptographic module for use with the internet of things, comprising: a substrate and a pin group; the pins on the pin group are welded on the substrate;
the lead group includes: a basic pin group and an output interface pin group;
one end of each of the basic pin group and the medium-related interface pin group is connected with the substrate;
the output interface pin group includes: a media dependent interface pin set, a USB interface pin set, and a ground pin.
In a further embodiment, the cryptographic module is connected in series at a network outlet of the internet of things device in a series connection manner, plaintext information sent by the internet of things device passes through the cryptographic module, the cryptographic module encrypts the plaintext information according to a specified strategy, and the received ciphertext information is directly sent to a network port of the internet of things device after being decrypted by the cryptographic module.
In a further embodiment, the base pin set includes: the device comprises a power pin group, a serial peripheral interface pin group (SPI), a reference clock output pin (REF _ CLK 0), a device reset output pin (PERST _ N), a watchdog timeout reset pin (WDT _ RST _ N), a net gape lamp pin group (EPHY), a serial port data transceiving pin group (UART), a CPU reset pin, an audio bus pin group (I2S), an antenna interface pin (ANT), a serial communication pin group (I2C) and a grounding pin.
In a further embodiment, the watchdog timeout reset pin is pulled down for 1s, and the AirKiss function of WeChat is entered; pulling down for 3s, the serial port exits transparent transmission and enters an AT mode; pull down for 6s and the module resumes default settings.
In a further embodiment, the set of network port lamp pins comprises: 4 LAN net gape lamps and 1 WAN net gape lamp.
In a further embodiment, the set of serial peripheral interface pins comprises: a serial peripheral interface bus chip selection signal 0, a serial peripheral interface bus chip selection signal 1 and a serial peripheral interface bus clock signal.
In a further embodiment, the serial data transceiving pin group includes: a serial data receiving pin and a serial data sending pin.
In a further embodiment, the set of audio bus pins comprises: the audio bus comprises an audio bus data input pin, an audio bus data output pin, an audio bus sound channel selection pin and an audio bus data clock pin.
In a further embodiment, the set of serial communication pins comprises: a serial communication bus clock pin and a serial communication bus data pin.
In a further embodiment, three thermal pads are provided on the substrate.
Has the advantages that: compared with the prior art, the utility model has the advantages of small volume, low delay, high encryption and decryption speed, no influence on the performance of the original equipment, high safety factor and little modification on the existing equipment; the method specifically comprises the following steps:
the volume is small: the module of the utility model occupies a small volume and can be well integrated in all the Internet of things devices;
low delay: the module delay of the utility model is within 5ms, which can better adapt to various complex network environments;
the encryption and decryption speed is fast: an independent hardware module is adopted for encryption and decryption operation, and the speed is high;
the performance of the original equipment is not influenced: interaction with the mcu of the original equipment is not needed on a software level, the method is completely independent of an operating system of the original equipment, and any resource of the original equipment is not occupied;
the safety factor is high: compared with DES, RSA, MD5 and other international algorithms, the SM2, SM3 and SM4 cryptographic algorithms are adopted, so that the safety coefficient is high;
the improvement to the existing equipment is small: the stamp hole patch mode is adopted and is connected in series with the network outlet, and the original equipment only needs to modify the design of the net port part.
Drawings
Fig. 1 is a pin diagram of the cryptographic module of the present invention.
Fig. 2 is a diagram of the size of the cryptographic module of the present invention.
Fig. 3 is a diagram of proposed package dimensions for a cryptographic module of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
A cryptographic module applicable to the Internet of things uses a cryptographic module of the Internet of things based on MIPS framework and low in power consumption. Adopt secret SM2, SM3, SM4 algorithm in state, cryptographic module externally provides a plurality of net gape pins, the user selects pin wherein to connect according to self demand, cryptographic module does not change the design of original thing networking device, through the mode of concatenating, concatenates in the network exit of thing networking device, the plain text information that thing networking device sent passes through cryptographic module, cryptographic module encrypts the plain text information according to appointed tactics, to the ciphertext information that receives, after cryptographic module deciphers according to relevant tactics, directly give the net gape of thing networking device. The module can be better adapted to the complex environment of the Internet of things.
The default pin function diagram for the cryptography module is given below in conjunction with fig. 1:
in one embodiment, the cryptographic module comprises: a substrate and a pin group; the pins on the pin group are welded on the substrate;
the lead group includes: a basic pin group and an output interface pin group;
one end of each of the basic pin group and the medium-related interface pin group is connected with the substrate;
the output interface pin group includes: a media dependent interface pin set, a USB interface pin set, and a ground pin.
In one embodiment, the cryptographic module is connected in series at a network outlet of the internet of things device in a series connection manner, plaintext information sent by the internet of things device passes through the cryptographic module, the cryptographic module encrypts the plaintext information according to a specified strategy, and the received ciphertext information is directly sent to a network port of the internet of things device after being decrypted by the cryptographic module.
In one embodiment, the base pin group includes: the device comprises a power supply pin group, a serial peripheral interface pin group, a reference clock output pin, an equipment reset output pin, a watchdog timeout reset pin, a network interface lamp pin group, a serial data transmitting and receiving pin group, a CPU reset pin, an audio bus pin group, an antenna interface pin, a serial communication pin group and a grounding pin.
In one embodiment, the watchdog timeout reset pin is pulled down for 1s, and the AirKiss function of WeChat is entered; pulling down for 3s, the serial port exits transparent transmission and enters an AT mode; pull down for 6s and the module resumes default settings.
In one embodiment, the portal lamp pin set includes: 4 LAN port lamps and 1 WAN port lamp.
In one embodiment, the set of serial peripheral interface pins comprises: a serial peripheral interface bus chip select signal 0, a serial peripheral interface bus chip select signal 1 and a serial peripheral interface bus clock signal.
In one embodiment, the serial data transceiving pin group includes: a serial data receiving pin and a serial data sending pin.
In one embodiment, the set of audio bus pins comprises: the audio bus comprises an audio bus data input pin, an audio bus data output pin, an audio bus sound channel selection pin and an audio bus data clock pin.
In one embodiment, the set of serial communication pins includes: a serial communication bus clock pin and a serial communication bus data pin.
In one embodiment, three thermal pads are provided on the substrate and are grounded. The dimensions of the cryptographic module and the proposed package size are given in fig. 2 and 3, and the package pad extension size can be shortened or lengthened as appropriate according to the needs.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a cryptographic module that thing networking was suitable for, its characterized in that, cryptographic module includes: a substrate and a pin group; the pins on the pin group are welded on the substrate;
the lead group includes: a basic pin group and an output interface pin group;
one end of each of the basic pin group and the medium-related interface pin group is connected with the substrate;
the output interface pin group includes: a media dependent interface pin set, a USB interface pin set, and a ground pin.
2. The cryptographic module applicable to the internet of things according to claim 1, wherein the cryptographic module is connected in series at a network outlet of the internet of things device in a series connection manner, plaintext information sent by the internet of things device passes through the cryptographic module, the cryptographic module encrypts the plaintext information according to a specified strategy, and the received ciphertext information is decrypted by the cryptographic module and then directly sent to a network port of the internet of things device.
3. The internet of things-compatible cryptographic module of claim 1, wherein the base pin set comprises: the device comprises a power supply pin group, a serial peripheral interface pin group, a reference clock output pin, an equipment reset output pin, a watchdog timeout reset pin, a network interface lamp pin group, a serial data transceiving pin group, a CPU reset pin, an audio bus pin group, an antenna interface pin, a serial communication pin group and a grounding pin.
4. The internet of things-compatible cryptographic module of claim 3, wherein the watchdog timeout reset pin is pulled low for 1s to enter a WeChat AirKiss function; pulling down for 3s, the serial port exits transparent transmission and enters an AT mode; pull down for 6s and the module resumes default settings.
5. The internet of things-compatible cryptographic module of claim 3, wherein the portal lamp pin set comprises: 4 LAN net gape lamps and 1 WAN net gape lamp.
6. The cryptographic module of claim 3, wherein the set of serial peripheral interface pins comprises: a serial peripheral interface bus chip selection signal 0, a serial peripheral interface bus chip selection signal 1 and a serial peripheral interface bus clock signal.
7. The internet of things-compatible cryptographic module of claim 3, wherein the serial port data transceiving pin set comprises: a serial data receiving pin and a serial data sending pin.
8. The internet of things-compatible cryptographic module of claim 3, wherein the set of audio bus pins comprises: the audio bus comprises an audio bus data input pin, an audio bus data output pin, an audio bus sound channel selection pin and an audio bus data clock pin.
9. The IOT-compliant cryptographic module of claim 3, wherein the set of serial communication pins comprises: a serial communication bus clock pin and a serial communication bus data pin.
10. The internet of things-compatible cryptographic module of claim 1, wherein three thermal pads are provided on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223324.0U CN218772114U (en) | 2022-12-01 | 2022-12-01 | Cryptographic module suitable for Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223324.0U CN218772114U (en) | 2022-12-01 | 2022-12-01 | Cryptographic module suitable for Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218772114U true CN218772114U (en) | 2023-03-28 |
Family
ID=85677711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223223324.0U Active CN218772114U (en) | 2022-12-01 | 2022-12-01 | Cryptographic module suitable for Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218772114U (en) |
-
2022
- 2022-12-01 CN CN202223223324.0U patent/CN218772114U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101662636B (en) | Safe high-speed differential serial interface | |
| CN204066121U (en) | A kind of PCI-E encrypted card | |
| US10104342B2 (en) | Techniques for secure provisioning of a digital content protection scheme | |
| CN109286492A (en) | Encription algorithms approved by the State Password Administration Committee Office security video data exchange card and exchange method based on FPGA and DSP | |
| US20100246828A1 (en) | Method and system of parallelized data decryption and key generation | |
| CN115549911B (en) | Encryption and decryption system, method, processor and server | |
| Alkalbani et al. | Comparison between RSA hardware and software implementation for WSNs security schemes | |
| CN106027261B (en) | FPGA-based L UKS authentication chip circuit and password recovery method thereof | |
| CN103400064A (en) | Method and equipment for encrypting and decrypting file | |
| CN105447394A (en) | Intelligent password key with local data encryption function | |
| EP4250638A1 (en) | Data transmission method, communication device and communication system | |
| CN218772114U (en) | Cryptographic module suitable for Internet of things | |
| CN107196754A (en) | A kind of encryption device based on SOC | |
| CN1286286C (en) | Method for implementing secret communication and encryption apparatus thereof | |
| CN101515853B (en) | Information terminal and information safety device thereof | |
| CN209390080U (en) | A kind of miniaturization electric power special quantum encryption integrated apparatus | |
| CN218568029U (en) | High-speed password card based on PCI-E interface | |
| CN202818328U (en) | Security authentication and encryption communication module based on security processor | |
| CN203251310U (en) | Quantum key sending-receiving integration controller | |
| CN114697943B (en) | Secure element, NFC controller, and NFC device | |
| CN201479145U (en) | Enciphering deciphering adapter | |
| CN206178833U (en) | CPU encryption device | |
| CN110737904A (en) | high-performance encryption and decryption device | |
| CN218162489U (en) | Internet of things gateway equipment with encryption communication function | |
| CN221326965U (en) | Data acquisition terminal of multichannel composite communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |