CN210899418U - Protection device for video data acquisition and transmission safety - Google Patents
Protection device for video data acquisition and transmission safety Download PDFInfo
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- CN210899418U CN210899418U CN201922325924.XU CN201922325924U CN210899418U CN 210899418 U CN210899418 U CN 210899418U CN 201922325924 U CN201922325924 U CN 201922325924U CN 210899418 U CN210899418 U CN 210899418U
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Abstract
The utility model discloses a protection device for video data acquisition and transmission safety, which comprises a plurality of data acquisition devices, a plurality of quantum encryption terminals, a quantum encryption server, a management and control center and a secret key charging machine; every quantum encrypts a plurality of data acquisition devices of terminal equal communication connection, and a plurality of quantum encryption terminals all encrypt server communication connection with same quantum, and the key fills and annotates machine and quantum encryption terminal communication connection, and quantum encryption terminal, quantum encryption server and key fill all with management and control center communication connection. The utility model discloses combine video data and quantum security communication technique, adopt true random and produce the very high quantum random number of speed and encrypt, data transmission security is high.
Description
Technical Field
The utility model relates to a data acquisition's safe communication technique, concretely relates to protection device of video data acquisition transmission security.
Background
With the rapid development of information technology and the continuous progress of society, the requirements of people on convenience and safety of work and life are continuously improved, and the video data acquisition system is increasingly and widely applied to various industries, companies and enterprises in the society and plays a vital role in the aspects of convenient office work, safety defense and the like. According to the statistical data, the proportion of the video to the total network data flow is larger and larger, and more than half of the transmission networks are consumed by the video. The development of the video industry pushes the cross-border and cooperation of software and hardware, the Internet and infrastructure to a great extent, and brings unprecedented and subversive changes to a series of industries such as the traditional production and manufacturing industry, the household appliance industry, the entertainment industry and the like. The video data acquisition system is steadily developed towards the direction of high-definition, cloud-end and intellectualization in the continuous progress of data transmission and processing technology.
However, video data acquisition brings convenience and potential safety hazard, and the possibility of illegal interception of video communication exists. Meanwhile, the development of big data and the explosive increase of the number of public cameras bring about the hidden danger that massive video information acquired by the monitoring of the cameras can be acquired and analyzed by lawbreakers. According to the german publication on the world of Mingmi, the U.S. national security bureau has invaded the internal video conference equipment of the headquarters of the United nations, and has broken the encryption system and then performed the eavesdropping activity. The 'safety risk monitoring result of intelligent camera products' issued by the national quality inspection bureau of China in 2017 shows that the intelligent camera products with near eight compositions do not meet the standard, a large number of cameras have safety problems and are easy to be attacked and invaded illegally by hackers, and the originally private video content is leaked. In 2017, the on-line 360-degree pop-up camera monitoring system streams video information to the network under the condition that a user does not know. The video data acquisition system provides convenient service, and meanwhile, the communication data security of the video data acquisition system is also in urgent need to be further improved.
In the existing research on the video data acquisition related technology, the research on the data transmission safety is rarely found, the key used by a few video encryption products is limited in length and rarely updated, the key is repeatedly used, and the data safety is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a protection device of video data collection transmission security, and this protection device of video data collection transmission security combines video data and quantum security communication technique, adopts true random and produces the extremely high quantum random number of speed and encrypts through quantum encryption terminal, and data transmission security is high.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a protection device for video data acquisition and transmission safety comprises a plurality of data acquisition devices, a plurality of quantum encryption terminals, a quantum encryption server, a control center and a secret key charging machine;
every quantum encrypts a plurality of data acquisition devices of terminal equal communication connection, and a plurality of quantum encryption terminals all encrypt server communication connection with same quantum, and the key fills and annotates machine and quantum encryption terminal communication connection, and quantum encryption terminal, quantum encryption server and key fill all with management and control center communication connection.
As a further improved technical solution of the present invention, the quantum encryption terminal includes a first communication module, a first encryption/decryption module, a first data processing module, and a first storage module; the first communication module is respectively connected with a first encryption and decryption module and a first data processing module, the first data processing module is respectively connected with the first encryption and decryption module and a first storage module, and the first encryption and decryption module is connected with the first storage module; the first communication module is also in communication connection with the data acquisition device, the quantum encryption server, the management and control center and the key filler respectively.
As a further improved technical solution of the present invention, the quantum encryption server includes a second communication module, a second encryption/decryption module, a second data processing module, and a second storage module; the second communication module is respectively connected with a second encryption and decryption module and a second data processing module, the second data processing module is respectively connected with a second encryption and decryption module and a second storage module, and the second encryption and decryption module is connected with a second storage module; and the second communication module is also in communication connection with the quantum encryption terminal and the control center respectively.
As the technical scheme of the further improvement of the utility model, the key charging machine comprises an encryption module, a third communication module, an I/O module and a third storage module; the I/O module is in communication connection with the control center, the third communication module is in communication connection with the quantum encryption terminal, the I/O module and the third communication module are both connected with the encryption module, and the encryption module is connected with the third storage module.
As the utility model discloses further modified technical scheme, first communication module includes wireless communication module and wired communication module, wireless communication module and key filling machine communication connection in the first communication module, wired communication module in the first communication module is with data acquisition device, quantum encryption server and management and control center communication connection respectively.
As the utility model discloses further modified technical scheme, second communication module includes remote communication module, second communication module includes wired communication module, wired communication module in the second communication module encrypts terminal and management and control center communication connection with the quantum respectively.
As the utility model discloses further modified technical scheme, third communication module includes wireless communication module, terminal communication connection is encrypted with the quantum to wireless communication module in the third communication module.
As the utility model discloses further modified technical scheme, wired communication module adopts ethernet interface or USB interface, wireless communication module adopts wireless network card, NFC module or bluetooth module, wireless network card is used for connecting wiFi, 4G network and 5G network and communicates.
As the utility model discloses further modified technical scheme, data acquisition device adopt video data acquisition device or other data acquisition device, video data acquisition device adopts camera or video conferencing system, other data acquisition device adopt wireless sensor system.
As a further improved technical solution of the present invention, a quantum random number generator is provided in the management and control center.
The utility model has the advantages that: the utility model provides a protection device of video data acquisition transmission security to the video data acquisition system of current wide application, ingenious combination quantum secret communication technique, encrypt the video data who records to encrypt terminal pair through the quantum to accessible key fills the machine and in time updates the required key of data encryption, has improved the security of video data acquisition and transmission.
Drawings
Fig. 1 is a block diagram of a communication network according to this embodiment.
Fig. 2 is a communication flow chart of the present embodiment.
Detailed Description
The following further description of embodiments of the present invention is made with reference to fig. 1 to 2:
the present embodiment provides a protection device for video data acquisition and transmission security, where the data acquisition device of the present embodiment takes a camera as an example, and as shown in fig. 1, includes a plurality of data acquisition devices (such as cameras), a plurality of quantum encryption terminals, a quantum encryption server, a management and control center, and a key charger; each quantum encryption terminal can be connected with a plurality of cameras (the number is not more than n), and the quantum encryption server is connected outside the management and control center. And the plurality of quantum encryption terminals are in communication connection with the quantum encryption server. The quantum random number generator is located in the management center. The management and control center is responsible for management, storage, routing, scheduling of video information, management and use of random numbers, initialization of the quantum encryption terminal and key updating. The key charging machine is in communication connection with the quantum encryption terminal, and the quantum encryption terminal, the quantum encryption server and the key charging machine are all in communication connection with the control center.
The quantum encryption terminal comprises a first communication module, a first encryption and decryption module, a first data processing module and a first storage module; the first communication module is respectively connected with a first encryption and decryption module and a first data processing module, the first data processing module is respectively connected with the first encryption and decryption module and a first storage module, and the first encryption and decryption module is connected with the first storage module; the first communication module is further in communication connection with the camera, the quantum encryption server, the management and control center and the key filler respectively.
The first storage module (i.e. the storage area in the quantum encryption terminal in fig. 1) contains a quantum key pool and a position pointer array, and a quantum working key is stored in the quantum key pool and used for encrypting data. A quantum key pool is a data structure. The location pointer array is used to store pointers to the locations of the active keys used by the different cameras. Each camera has a unique ID number with a fixed length, and each quantum encryption terminal has a unique identifier. A key position calculation rule is preset in the quantum encryption terminal, a key with a specified length is selected by using the rule each time, and the updated key is encrypted after being expanded through an encryption algorithm. The quantum encryption terminal encrypts data through the first encryption and decryption module and realizes the calculation of the key position through the first data processing module.
The quantum encryption server comprises a second communication module, a second encryption and decryption module, a second data processing module and a second storage module; the second communication module is respectively connected with a second encryption and decryption module and a second data processing module, the second data processing module is respectively connected with a second encryption and decryption module and a second storage module, and the second encryption and decryption module is connected with a second storage module; and the second communication module is also in communication connection with the quantum encryption terminal and the control center respectively.
The second storage module (i.e. the storage area in the quantum encryption server in fig. 1) contains a quantum key pool and a plurality of position pointer arrays, the quantum key pool performs partition storage, and respectively stores quantum working keys corresponding to different quantum encryption terminals for encrypting and decrypting data, the quantum key pool sets an early warning position, and when the keys are used below the early warning position, the update is notified. Each quantum encryption terminal corresponds to a position pointer array through the identifier, and the position pointer array is used for storing pointers pointing to the positions of the active keys used by different cameras accessed to the quantum encryption terminal. The quantum encryption server decrypts the data through the second encryption and decryption module, and the required computing operation is realized through the second data processing module.
The key filler comprises an encryption module, a third communication module, an I/O module and a third storage module; the I/O module is in communication connection with the control center, the third communication module is in communication connection with the quantum encryption terminal, the I/O module and the third communication module are both connected with the encryption module, and the encryption module is connected with the third storage module.
The third storage module (i.e. the storage area in the key filler in fig. 1) contains a quantum key pool, a plurality of position pointer arrays and a key S to be updated and used, and the quantum key pool performs partitioned storage and respectively temporarily stores quantum working keys corresponding to different quantum encryption terminals. Each position pointer array corresponds to a quantum encryption terminal to be filled through an identifier and is used for storing pointers pointing to new key positions of different cameras of the quantum encryption terminal.
The first communication module comprises a wireless communication module and a wired communication module, the wireless communication module in the first communication module is in communication connection with the key charging machine, and the wired communication module in the first communication module is in communication connection with the camera, the quantum encryption server and the management and control center respectively. The second communication module comprises a wired communication module, and the wired communication module in the second communication module is respectively in communication connection with the quantum encryption terminal and the control center. The third communication module comprises a wireless communication module, and the wireless communication module in the third communication module is in communication connection with the quantum encryption terminal.
The wired communication module adopts an Ethernet interface or a USB interface, the wireless communication module adopts a wireless network card, an NFC module or a Bluetooth module, and the wireless network card is used for connecting a WiFi network, a 4G network and a 5G network for communication.
In the embodiment, during encryption communication, the camera generates audio and video information, transmits the audio and video information to the quantum encryption terminal, is received by the first communication module, then is transmitted to the first encryption and decryption module, and informs the first data processing module of key position calculation, the first data processing module informs the first encryption and decryption module of the key position after calculation, the first encryption and decryption module looks up the position pointer from the storage area to call the key for encryption, and then sends a ciphertext to the first communication module to be transmitted. And the second communication module in the quantum encryption server receives the ciphertext, sends the ciphertext to the second encryption and decryption module, and informs the second data processing module of carrying out key position calculation, the second data processing module informs the second encryption and decryption module of the key position after calculation, and the second encryption and decryption module looks up the position pointer from the storage area to call the key for decryption.
In this embodiment, before the key is updated, when the second data processing module of the quantum encryption server finds that the key usage reaches below the early warning position, the second data processing module sends an instruction to the second communication module, and the second communication module sends an update request to the management and control center. And a quantum random number generator in the management and control center generates a key, wakes up an I/O module of the key filler and stores the related content of the new key into a storage area of the key filler. Meanwhile, the management and control center vector sub-encryption server sends the related content of the new key. And after the key filler reaches the position near the quantum encryption terminal to be updated, the key filler is connected with the first communication module of the quantum encryption terminal through the third communication module and sends application information to the first communication module. The first communication module of the quantum encryption terminal sends the application information to the first data processing module, and the first data processing module sends information agreement to the filling machine for filling after confirming that filling can be carried out. And then the encryption module of the key filler calls the key S in the storage area to encrypt the key to be updated, and the key is sent to the third communication module for transmission. And after receiving the information, the first communication module of the quantum encryption terminal informs the first data processing module of selecting a key encryption key S 'with the specified length, puts the key S' into the storage area, and empties the original key pool and the position pointer array. And a first encryption and decryption module of the quantum encryption terminal decrypts the ciphertext by using the secret key S', and stores the decrypted ciphertext into a storage region.
The communication process of the protection device for video data acquisition and transmission security of the embodiment comprises the following steps:
(1) and initializing:
the control center generates a random number string with a specified length by using a quantum random number generator before dispatching the quantum encryption terminal, and the random number string is used as a quantum working key and is respectively stored in a quantum key pool of the quantum encryption terminal; randomly selecting n positions in a quantum key pool, and storing the n positions in a position pointer array of a quantum encryption terminal; and storing the random number string and the position pointer array into a quantum encryption server according to the identifier of the quantum encryption terminal.
When a data acquisition device (such as a camera) sends video information out, ID number information is added before the plaintext data packet load. When each quantum encryption terminal encrypts the data information flowing through, the identifier information is carried in a data packet formed by packaging the ciphertext.
(2) And encryption:
each quantum encryption terminal can be connected with a plurality of cameras, and the number of the connected cameras is not more than n. When the quantum encryption terminal is just connected to the camera, the data content of the camera is identified through the first data processing module to obtain the ID number of the camera, and the ID number is matched with a certain unmatched pointer in the position pointer array. The camera generates video information, adds ID number information before plaintext data packet load, and sends the information to the quantum encryption terminal. The first data processing module of the quantum encryption terminal searches a corresponding position pointer from the position pointer array according to the ID number in the data packet, finds a certain position L1 in the quantum key pool according to the position pointer (namely, key position calculation), and the first encryption and decryption module calls a quantum work key with a specified length L backwards from the position to encrypt and use the data packet, and points the position pointer to the position L1+ L after the use is completed. And a first data processing module of the quantum encryption terminal carries identifier information of the data packet encapsulated by the ciphertext in the data packet, and sends the data packet out through a first communication module.
(3) And (3) decryption: a second communication module of the quantum encryption server receives the encrypted ciphertext data packet, a second data processing module of the quantum encryption server identifies identifier information carried in the ciphertext data packet, and searches a quantum working key and an active position pointer array of the quantum encryption terminal corresponding to the identifier information from a quantum key pool; the second data processing module of the quantum encryption server analyzes the ID number, finds a position pointer corresponding to the ID number from the current pointer array, finds a certain position L2 in the quantum key pool according to the pointer (namely, key position calculation), and the second encryption and decryption module calls a key with a specified length L from the position backwards for decryption and use, and points the position pointer to the position L2+ L after the use is completed.
(4) Updating preparation: after at least one position pointer in a certain position pointer array of the quantum encryption server points to a position below the early warning position T of the quantum key pool, the quantum encryption server informs the management and control center to update the key of the quantum encryption terminal corresponding to the position pointer array through the second communication module. The control center uses a quantum random number generator to generate a random number string with the same length as the quantum encryption terminal during initialization, and the random number string is used as a quantum working key and stored in a quantum key pool of a key filling machine. Randomly selecting n positions in a quantum key pool of a key filler storage area, storing the n positions in a position pointer array corresponding to a quantum encryption terminal to be updated, storing the random number string and the position pointer array into a quantum encryption server according to an identifier of the quantum encryption terminal, and replacing the original random number string and an original position pointer array.
The management and control center selects a key encryption key S with a specified length from original keys in a quantum key pool of the quantum encryption terminal to be encrypted by using a calculation rule which is the same as a preset rule in the quantum encryption terminal, and stores the key encryption key S into a key filler through an I/O module.
The control center can charge a plurality of groups of keys in the key charger as if a plurality of quantum encryption terminals need to be updated with keys.
(5) And (3) updating the key: and the salesman carries the key charging machine to go to the quantum encryption terminal to be updated to charge the key. When the key filler reaches the position near the quantum encryption terminal, a third communication module in the key filler is connected with a first communication module of the quantum encryption terminal in a near field communication mode (NFC/Bluetooth) or a 4G network and 5G network communication mode, and a filling application carrying quantum encryption server identity identification and filler identity information is sent to the quantum encryption terminal; and the first data processing module of the quantum encryption terminal confirms the identity of the key filler and sends information to the key filler to approve the charging. The third communication module of the key filler then transmits the updated key to the quantum encryption terminal. And the encryption module of the key filler calls the key S to encrypt a new quantum working key to be transmitted and a new position pointer array, and transmits the new quantum working key and the new position pointer array to the quantum encryption terminal to be updated through the third communication module. A first communication module of a quantum encryption terminal to be updated receives a ciphertext from a key filler, a first data processing module selects a key encryption key S ' (same as the key S) with a specified length in an original quantum key pool by using a preset rule, the key S ' is placed in a temporary memory, the original quantum key pool and an original position pointer array are emptied, and a first encryption and decryption module decrypts the ciphertext received by the first communication module through the key S '; obtaining a new quantum working key and position pointer array; and the first data processing module stores the new quantum working key and the new position pointer array into a quantum key pool and a position pointer array in the storage region respectively.
The embodiment can be applied to various video data acquisition devices such as a monitoring camera and a video conference system, and can also be extended to other data acquisition devices with safety requirements, such as a wireless sensor system.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a protection device of video data acquisition transmission security which characterized in that: the system comprises a plurality of data acquisition devices, a plurality of quantum encryption terminals, a quantum encryption server, a management and control center and a key charging machine;
every quantum encrypts a plurality of data acquisition devices of terminal equal communication connection, and a plurality of quantum encryption terminals all encrypt server communication connection with same quantum, and the key fills and annotates machine and quantum encryption terminal communication connection, and quantum encryption terminal, quantum encryption server and key fill all with management and control center communication connection.
2. The apparatus for protecting the security of video data acquisition and transmission according to claim 1, wherein: the quantum encryption terminal comprises a first communication module, a first encryption and decryption module, a first data processing module and a first storage module; the first communication module is respectively connected with a first encryption and decryption module and a first data processing module, the first data processing module is respectively connected with the first encryption and decryption module and a first storage module, and the first encryption and decryption module is connected with the first storage module; the first communication module is also in communication connection with the data acquisition device, the quantum encryption server, the management and control center and the key filler respectively.
3. The apparatus for protecting the security of video data acquisition and transmission according to claim 2, wherein: the quantum encryption server comprises a second communication module, a second encryption and decryption module, a second data processing module and a second storage module; the second communication module is respectively connected with a second encryption and decryption module and a second data processing module, the second data processing module is respectively connected with a second encryption and decryption module and a second storage module, and the second encryption and decryption module is connected with a second storage module; and the second communication module is also in communication connection with the quantum encryption terminal and the control center respectively.
4. The apparatus for protecting the security of video data acquisition and transmission according to claim 3, wherein: the key filler comprises an encryption module, a third communication module, an I/O module and a third storage module; the I/O module is in communication connection with the control center, the third communication module is in communication connection with the quantum encryption terminal, the I/O module and the third communication module are both connected with the encryption module, and the encryption module is connected with the third storage module.
5. The apparatus for protecting the security of video data acquisition and transmission according to claim 4, wherein: the first communication module comprises a wireless communication module and a wired communication module, the wireless communication module in the first communication module is in communication connection with the key charging machine, and the wired communication module in the first communication module is in communication connection with the data acquisition device, the quantum encryption server and the management and control center respectively.
6. The apparatus for protecting the security of video data acquisition and transmission according to claim 5, wherein: the second communication module comprises a wired communication module, and the wired communication module in the second communication module is respectively in communication connection with the quantum encryption terminal and the control center.
7. The apparatus for protecting the security of video data acquisition and transmission according to claim 6, wherein: the third communication module comprises a wireless communication module, and the wireless communication module in the third communication module is in communication connection with the quantum encryption terminal.
8. The apparatus for protecting the security of video data acquisition and transmission according to claim 7, wherein: the wired communication module adopts an Ethernet interface or a USB interface, the wireless communication module adopts a wireless network card, an NFC module or a Bluetooth module, and the wireless network card is used for connecting a WiFi network, a 4G network and a 5G network for communication.
9. The apparatus for protecting the security of video data acquisition and transmission according to claim 1, wherein: the data acquisition device adopts a video data acquisition device or a wireless data acquisition device, the video data acquisition device adopts a camera or a video conference system, and the wireless data acquisition device adopts a wireless sensor system.
10. The apparatus for protecting the security of video data acquisition and transmission according to claim 1, wherein: and a quantum random number generator is arranged in the control center.
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| CN201922325924.XU CN210899418U (en) | 2019-12-20 | 2019-12-20 | Protection device for video data acquisition and transmission safety |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111093060A (en) * | 2019-12-20 | 2020-05-01 | 安徽问天量子科技股份有限公司 | Protection device and protection method for video data acquisition and transmission safety |
| CN111835997A (en) * | 2020-07-15 | 2020-10-27 | 济南慧云量子科技有限公司 | Cloud video conference system based on quantum key encryption and decryption method thereof |
| CN114499853A (en) * | 2022-02-11 | 2022-05-13 | 浙江国盾量子电力科技有限公司 | Power distribution station video transmission communication system and method based on 5G and quantum encryption |
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2019
- 2019-12-20 CN CN201922325924.XU patent/CN210899418U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111093060A (en) * | 2019-12-20 | 2020-05-01 | 安徽问天量子科技股份有限公司 | Protection device and protection method for video data acquisition and transmission safety |
| CN111835997A (en) * | 2020-07-15 | 2020-10-27 | 济南慧云量子科技有限公司 | Cloud video conference system based on quantum key encryption and decryption method thereof |
| CN114499853A (en) * | 2022-02-11 | 2022-05-13 | 浙江国盾量子电力科技有限公司 | Power distribution station video transmission communication system and method based on 5G and quantum encryption |
| CN114499853B (en) * | 2022-02-11 | 2022-11-15 | 浙江国盾量子电力科技有限公司 | Power distribution station video transmission communication system and method based on 5G and quantum encryption |
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