CN106921848A - A kind of Video security control device - Google Patents
A kind of Video security control device Download PDFInfo
- Publication number
- CN106921848A CN106921848A CN201510998876.4A CN201510998876A CN106921848A CN 106921848 A CN106921848 A CN 106921848A CN 201510998876 A CN201510998876 A CN 201510998876A CN 106921848 A CN106921848 A CN 106921848A
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- China
- Prior art keywords
- video data
- module
- video
- control device
- security control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of Video security control device, including：Video data AM access module, video data decoding module, video data encrypting module, video data encoding module, video data output module；The video data AM access module is used to receive video data, and video data is cached；The video data decoding module, for being decoded to obtain original video data stream to the video data after caching；The video data encrypting module is used to be encrypted the key video sequence frame data in original video data stream；Video data encoding module is used to carry out Video coding to the data after encryption；The video data that video data output module is used to encode sends.
Description
Technical field
The present invention relates to a kind of Video security control technology field, more particularly to a kind of Video security control device.
Background technology
Existing network video monitoring platform is made up of IP video cameras, three-layer network interchanger, video storage forwarding server and display device.This framework is difficult to ensure that the authenticity and reliability of video image.
Fig. 1 is a kind of schematic diagram of existing Video security control device, as shown in Figure 1, IP encryption equipments are mainly for network data present on market, not to the content of concerned about network data, and in monitor video field, if be encrypted to all of network video data, on the one hand, influence ageing on the network of data is larger, is on the other hand difficult all encrypted video data for the treatment of in video platform server end.Therefore a kind of device for being encrypted for network video data and being controlled is needed to solve the problem.
The content of the invention
It is an object of the invention to provide a kind of Video security control device, the potential problem non-security to solve existing IP camera videos data.
A kind of Video security control device of the present invention, including：Video data AM access module, video data decoding module, video data encrypting module, video data encoding module, video data output module；The video data AM access module is used to receive video data, and video data is cached；The video data decoding module, for being decoded to obtain original video data stream to the video data after caching；The video data encrypting module is used to be encrypted the key video sequence frame data in original video data stream；Video data encoding module is used to carry out Video coding to the data after encryption；The video data that video data output module is used to encode sends.
One embodiment of Video security control device of the invention, wherein, also including power module, for every other module for power supply in device.
One embodiment of Video security control device of the invention, wherein, also include：Authentication module, for carrying out bidirectional identity authentication.
One embodiment of Video security control device of the invention, wherein, the authentication module receives random number and sign test, checks whether the sign test passes through according to the random number, if sign test passes through, authentication passes through.
Video security control device of the present invention, can be encrypted for network video data and solve problem of the prior art.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of existing Video security control device；
Fig. 2 show the module map of Video security control device of the present invention；
Fig. 3 show the functional block diagram of Video security control device of the invention；
Fig. 4 show the workflow diagram of Video security control device of the present invention.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.
The present invention provides a kind of Video security control device, and described device is applied between existing IP video cameras and interchanger or video platform server carry out the safety encryption and secure accessing control of network video data.Fig. 2 show the module map of Video security control device of the present invention, as shown in Fig. 2 Video security control device includes：Power module 1, video data AM access module 3, video data decoding module 4, video data encrypting module 5, video data encoding module 6, video data output module 7 and authentication module 2.
With reference to Fig. 1, video data AM access module 3：The video data produced by IP video cameras coding enters video data AM access module 3 by Ethernet, and video data AM access module 3 carries out the pretreatment such as caching to video data.Video data decoding module 4 is used to decode pretreated video data to obtain original video data stream, and caches.Video data encrypting module 5 is used to be encrypted the key video sequence frame data in original video data stream, and non-key frame data are not processed.Video data encoding module 6 is used to carry out the data after encryption Video coding, and waits output module to process.Video data output module 7 is used to for the coded data after treatment to be sent to rear end equipment.Authentication module 2 carries out bidirectional identity authentication for providing safety control with backstage security switch or video platform server, to ensure the security of safety control itself.Power module 1 is used to be provided the power supply power consumption of stabilization to every other module in device.
Fig. 3 show the functional block diagram of Video security control device of the invention, as shown in Figure 3, Video security control device can be realized using two kinds of frameworks of uniprocessor or multiprocessor, uniprocessor framework needs to realize encoding in a processor, decodes, encrypts, dispatching, and basic performance indications are weaker；Also need to that AES is implemented separately by software and to ensure the performance of algorithm simultaneously, therefore scheme complexity is lifted.And multiple processor structure can alleviate this contradiction, in multiple processor structure, the encrypted work of substantial amounts of repeatability is assigned in special coprocessor and is completed, primary processor realizes coding, decoding and task scheduling etc., the different processor division of labor is different, can so meet realize the device using multiple processor structure in requirement, therefore the present invention.
Video security control device includes primary processor 11 and the two parts of coprocessor 12, primary processor 11 can select the multinuclear Cortex-A9 series processors of main flow ARM frameworks, for realizing video data AM access module 3, video data decoding module 4, video data encoding module 6 and the corresponding function of video data output module work(7；Coprocessor 12 can select special encryption chip JW172, realize video data encrypting module 5 and the function of authentication module 2.Between primary processor 11 and coprocessor 12 data communication and protocol conversion are realized by data/address bus, address bus, controlling bus, spi bus.
Fig. 4 show the workflow diagram of Video security control device of the present invention, and referring to figs. 2 to Fig. 4, Video security control device prestores the resources such as the public private key pair used by certificate resource in need, signature/sign test public private key pair, symmetric key, asymmetric encryption and decryption.Idiographic flow is as follows：
A) safety control sends to video platform server and obtains certificate request；
B) video platform server via Ethernet sends the essential information of video platform server certificate C1, including sign test public key P1-1, asymmetric encryption and decryption public key P1-2 to data processing module；
C) safety control sends ID authentication request to video platform server；
D) video platform server obtains random number R 1, and the random number is signed using signature private key S1-1, generates signature value M1, and the signature value (R1+M1) of random number and random number is sent to safety control；
E) after safety control receives the R1+M1 of the transmission of video platform server, using the sign test public key P1-1 sign test M1 of video platform server, check whether sign test passes through, if sign test passes through, then authentication of the safety control block to video platform server passes through, and continuation is down performed；If sign test fails, authentication of the safety control to video platform server fails, and terminates flow；
F) safety control sends the essential information of itself certificate C2, including sign test public key P2-1, asymmetric encryption and decryption public key P2-2 to video platform server；
G) video platform server obtains random number R 2, and it is signed using signature private key S2-1, generates signature value M2, and random number and signature value (R2+M2) are sent jointly into video platform server；
H) after video platform server receives the R2+M2 of safety control transmission, with the sign test public key P2-1 sign test M2 of safety control, check whether sign test passes through.If sign test passes through, two-way authentication is completed, and otherwise two-way authentication failure, identifying procedure terminates.
As shown in figure 4, whether (a) primary processor detection Ethernet interface has video data bag to inject.If then parsing video data bag；Detected if poll is continued without if.
B () primary processor notifies coprocessor log-on data encryption function by controlling bus.
C () primary processor decodes video data bag, be divided into frame head and content two parts, and content part passes to coprocessor and is encrypted by data/address bus and address bus, and returns to encryption data.
D () primary processor recompiles the data content of initial data frame head and encryption, destination address is sent to by Ethernet.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, on the premise of the technology of the present invention principle is not departed from; some improvement and deformation can also be made, these are improved and deformation also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of Video security control device, including：Video data AM access module, video counts
Exported according to decoder module, video data encrypting module, video data encoding module, video data
Module；
The video data AM access module is used to receive video data, and video data is cached；
The video data decoding module, for being decoded original to obtain to the video data after caching
Video data stream；The video data encrypting module is used to regard the key in original video data stream
Frequency frame data are encrypted；Video data encoding module is used to carry out video to the data after encryption
Coding；The video data that video data output module is used to encode sends.
2. Video security control device as claimed in claim 1, it is characterised in that also wrap
Power module is included, for every other module for power supply in device.
3. Video security control device as claimed in claim 1, it is characterised in that also wrap
Include：Authentication module, for carrying out bidirectional identity authentication.
4. Video security control device as claimed in claim 1, it is characterised in that the body
Part authentication module, receives random number and sign test, checks whether the sign test passes through according to the random number,
If sign test passes through, authentication passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998876.4A CN106921848A (en) | 2015-12-28 | 2015-12-28 | A kind of Video security control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998876.4A CN106921848A (en) | 2015-12-28 | 2015-12-28 | A kind of Video security control device |
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| Publication Number | Publication Date |
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| CN106921848A true CN106921848A (en) | 2017-07-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510998876.4A Pending CN106921848A (en) | 2015-12-28 | 2015-12-28 | A kind of Video security control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450578A (en) * | 2021-06-25 | 2021-09-28 | 北京市商汤科技开发有限公司 | Traffic violation event evidence obtaining method, device, equipment and system |
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| CN101630116A (en) * | 2009-08-13 | 2010-01-20 | 中国华录集团有限公司 | Two-way authentication system of player and projector for digital movies mobile playing |
| CN102413132A (en) * | 2011-11-16 | 2012-04-11 | 北京数码视讯软件技术发展有限公司 | Two-way-security-authentication-based data downloading method and system |
| CN204305239U (en) * | 2015-01-15 | 2015-04-29 | 成都航空职业技术学院 | Composite Video Baseband Signal encryption system |
| CN104581201A (en) * | 2014-12-31 | 2015-04-29 | 乐视网信息技术（北京）股份有限公司 | Video encryption method and device |
| CN104735457A (en) * | 2015-03-27 | 2015-06-24 | 南京中新赛克科技有限责任公司 | Video encryption and decryption method based on H.264 code |
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2015
- 2015-12-28 CN CN201510998876.4A patent/CN106921848A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630116A (en) * | 2009-08-13 | 2010-01-20 | 中国华录集团有限公司 | Two-way authentication system of player and projector for digital movies mobile playing |
| CN102413132A (en) * | 2011-11-16 | 2012-04-11 | 北京数码视讯软件技术发展有限公司 | Two-way-security-authentication-based data downloading method and system |
| CN104581201A (en) * | 2014-12-31 | 2015-04-29 | 乐视网信息技术（北京）股份有限公司 | Video encryption method and device |
| CN204305239U (en) * | 2015-01-15 | 2015-04-29 | 成都航空职业技术学院 | Composite Video Baseband Signal encryption system |
| CN104735457A (en) * | 2015-03-27 | 2015-06-24 | 南京中新赛克科技有限责任公司 | Video encryption and decryption method based on H.264 code |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113450578A (en) * | 2021-06-25 | 2021-09-28 | 北京市商汤科技开发有限公司 | Traffic violation event evidence obtaining method, device, equipment and system |
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Application publication date: 20170704 |