CN103051869A - System and method for encrypting camera video in real time - Google Patents
System and method for encrypting camera video in real time Download PDFInfo
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- CN103051869A CN103051869A CN2012104589764A CN201210458976A CN103051869A CN 103051869 A CN103051869 A CN 103051869A CN 2012104589764 A CN2012104589764 A CN 2012104589764A CN 201210458976 A CN201210458976 A CN 201210458976A CN 103051869 A CN103051869 A CN 103051869A
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Abstract
The invention discloses a system and a method for encrypting a camera video in real time. The system comprises an image pick-up monitoring end and a remote client connected with the image pick-up monitoring end, and is characterized in that the image pick-up monitoring end is provided with an image pick-up module, a communication module and SD (Secure Digital) card encryption equipment; the image pick-up module is used for completing acquisition work of video data; the communication module is used for performing network communication between the image pick-up monitoring end and the remote client; and the SD card encryption equipment is provided with a protocol analysis module for performing communication data analysis between the image pick-up module and the SD card encryption equipment, a safety control module for registering and authenticating a smart password key of the remote client to generate a video encryption key, transmitting the key into an SD card encryption module, encrypting the key by adopting an asymmetric cryptographic algorithm, and transmitting the encrypted key to the client, and an encryption module for completing encryption work of real-time video data; and the remote client is provided with a communication module, a video output module and a smart password key.
Description
Technical field
The present invention relates to the video-encryption technical field, specifically, relate to the real-time encrypted system of a kind of camera video and encryption method.
Background technology
Video Supervision Technique is widely used in finance at present, public security, and each key area such as traffic plays a significant role in daily productive life.In the process of remote monitoring, because sensitiveness and the confidentiality of video monitoring content just need to guarantee fail safe and the accuracy of video content, but existing supervisory control system medium-long range transmission security are lower, video data easily is stolen in the process of Internet Transmission and distorts, and causes information leakage.For this reason, the present invention has designed a kind of real-time encrypted method of adding in camera, ensures the safety and reliability of video content transmission in the transmission course of video data.
Summary of the invention
The technical problem to be solved in the present invention provides the real-time encrypted system of a kind of camera video and encryption method, guarantees the safety and reliability of video content transmission.
The present invention adopts following technical scheme to realize goal of the invention:
The system that a kind of camera video is real-time encrypted comprises monitoring camera-shooting end software platform and connected remote client software platform, it is characterized in that, described monitoring camera-shooting end software platform comprises photographing module, communication module one and SD card encryption module,
Described photographing module is used for finishing the work of obtaining of video data;
Described communication module one is used for the network service of monitoring camera-shooting end and Terminal Server Client;
Described SD card encryption module is provided with:
Protocol analysis unit one: be used for the communication data analysis between photographing module and the SD card encryption module;
Security control unit one: be used for the intelligent code key of registration, authentication Terminal Server Client, the generating video encryption key is also sent key into the ciphering unit of SD card encryption module, adopts simultaneously rivest, shamir, adelman with secret key encryption and is sent to client;
Ciphering unit: the encrypted work of finishing real time video data;
Described remote client software platform is provided with communication module two, video output module, intelligent code key,
Communication module two: finish the network service of monitoring camera-shooting end software platform and client software platform;
The video output module: the output real time video data expressly;
Described intelligent code key is provided with:
Security control unit two: finish intelligent code key at registration and the certification work of SD card encryption module, the video-encryption key that receives and adopt rivest, shamir, adelman deciphering monitoring camera-shooting end software platform to send;
Protocol analysis unit two: be used for the usb communication data analysis between intelligent code key and the client;
Decryption unit: the real time video data ciphertext that the decryption of video secret key decryption monitoring camera-shooting end software platform that receives and decipher according to the security control unit two of custom end intelligent cipher key sends.
The invention also discloses the real-time encrypted method of a kind of camera video, it is characterized in that, comprise the steps:
(1) registration process: the intelligent code key of monitoring camera-shooting end and Terminal Server Client exchange pairing bag separately, finish registration, pairing comprise separately system information and the PKI of rivest, shamir, adelman; The first intelligent code key that uses must be through registration process, and the intelligent code key of having registered is directly carried out verification process; The video data ciphertext that Terminal Server Client can only send by the intelligent code key deciphering monitoring camera-shooting end of having registered;
(2) verification process: whether registered at SD card encryption machine by the intelligent code key of client and the information interactive affirmation intelligent code key of SD card encryption machine, authentication is passed through if information matches is successful, otherwise authentification failure, system can't work on;
(3) generate encryption key: the real random number generator that SD card encryption module is used security control unit one is the generating video encryption key at random, sends into ciphering unit, sends to client after simultaneously key being used rivest, shamir, adelman to encrypt; The security control unit two of custom end intelligent cipher key receives and adopts rivest, shamir, adelman decrypted video encryption key and send into the intelligent code key decryption unit;
(4) monitoring camera-shooting end ciphering process: the ciphering unit of monitoring camera-shooting end is encrypted the real time video data that obtains and is sent to client;
(5) decryption of video playing process: Terminal Server Client receiving video data ciphertext also by the decryption unit deciphering of intelligent code key, is then exported the real time video data plaintext by the video output module.
Compared with prior art, advantage of the present invention and good effect are: need to register in SD card encryption module when intelligent code key of the present invention uses for the first time, the video data ciphertext that Terminal Server Client can only send by the intelligent code key deciphering monitoring camera-shooting end of having registered, and need again to authenticate after each outage, guarantee data security.Adopting rivest, shamir, adelman is the video-encryption secret key encryption, adopts the symmetric encipherment algorithm enciphered video data, guarantees fail safe and the real-time of video-encryption key and video data.Native system adopts the method for hardware encipher, has improved data encryption speed, and is large to satisfy HD video enciphered data amount, the characteristics that requirement of real-time is high.Native system has the advantages such as volume is little, installation and maintenance is convenient.
Description of drawings
Fig. 1 is system block diagram of the present invention.
Fig. 2 is method flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the present invention is done further to describe in detail.
Referring to Fig. 1, Fig. 2, the system that a kind of camera video is real-time encrypted comprises monitoring camera-shooting end software platform and connected remote client software platform, and described monitoring camera-shooting end software platform comprises photographing module, communication module one and SD card encryption module,
Described photographing module is used for finishing the work of obtaining of video data;
Described communication module one is used for the network service of monitoring camera-shooting end and Terminal Server Client;
Described SD card encryption module is provided with:
Protocol analysis unit one: be used for the communication data analysis between photographing module and the SD card encryption module;
Security control unit one: be used for the intelligent code key of registration, authentication Terminal Server Client, the generating video encryption key is also sent key into the ciphering unit of SD card encryption module, adopts simultaneously rivest, shamir, adelman with secret key encryption and is sent to client;
Ciphering unit: the encrypted work of finishing real time video data;
Described remote client software platform is provided with communication module two, video output module, intelligent code key,
Communication module two: finish the network service of monitoring camera-shooting end software platform and client software platform;
The video output module: the output real time video data expressly;
Described intelligent code key is provided with:
Security control unit two: finish intelligent code key at registration and the certification work of SD card encryption module, the video-encryption key that receives and adopt rivest, shamir, adelman deciphering monitoring camera-shooting end software platform to send;
Protocol analysis unit two: be used for the usb communication data analysis between intelligent code key and the client;
Decryption unit: the real time video data ciphertext that the decryption of video secret key decryption monitoring camera-shooting end software platform that receives and decipher according to the security control unit two of custom end intelligent cipher key sends.
The method that a kind of camera video is real-time encrypted comprises the steps:
(1) registration process: the intelligent code key of monitoring camera-shooting end and Terminal Server Client exchange pairing bag separately, finish registration, pairing comprise separately system information and the PKI of rivest, shamir, adelman; The first intelligent code key that uses must be through registration process, and the intelligent code key of having registered is directly carried out verification process; The video data ciphertext that Terminal Server Client can only send by the intelligent code key deciphering monitoring camera-shooting end of having registered;
(2) verification process: whether registered at SD card encryption machine by the intelligent code key of client and the information interactive affirmation intelligent code key of SD card encryption machine, authentication is passed through if information matches is successful, otherwise authentification failure, system can't work on;
(3) generate encryption key: the real random number generator that SD card encryption module is used security control unit one is the generating video encryption key at random, sends into ciphering unit, sends to client after simultaneously key being used rivest, shamir, adelman to encrypt; The security control unit two of custom end intelligent cipher key receives and adopts rivest, shamir, adelman decrypted video encryption key and send into the intelligent code key decryption unit;
(4) monitoring camera-shooting end ciphering process: the ciphering unit of monitoring camera-shooting end is encrypted the real time video data that obtains and is sent to client;
(5) decryption of video playing process: Terminal Server Client receiving video data ciphertext also by the decryption unit deciphering of intelligent code key, is then exported the real time video data plaintext by the video output module.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also belong to protection scope of the present invention.
Claims (2)
1. the system that camera video is real-time encrypted comprises monitoring camera-shooting end software platform and connected remote client software platform, it is characterized in that, described monitoring camera-shooting end software platform comprises photographing module, communication module one and SD card encryption module,
Described photographing module is used for finishing the work of obtaining of video data;
Described communication module one is used for the network service of monitoring camera-shooting end and Terminal Server Client;
Described SD card encryption module is provided with:
Protocol analysis unit one: be used for the communication data analysis between photographing module and the SD card encryption module;
Security control unit one: be used for the intelligent code key of registration, authentication Terminal Server Client, the generating video encryption key is also sent key into the ciphering unit of SD card encryption module, adopts simultaneously rivest, shamir, adelman with secret key encryption and is sent to client;
Ciphering unit: the encrypted work of finishing real time video data;
Described remote client software platform is provided with communication module two, video output module, intelligent code key,
Communication module two: finish the network service of client and monitoring camera-shooting end;
The video output module: the output real time video data expressly;
Described intelligent code key is provided with:
Security control unit two: finish intelligent code key at registration and the certification work of SD card encryption module, the video-encryption key that receives and adopt rivest, shamir, adelman deciphering monitoring camera-shooting end to send;
Protocol analysis unit two: be used for the usb communication data analysis between intelligent code key and the client software platform;
Decryption unit: the real time video data ciphertext that the decryption of video secret key decryption monitoring camera-shooting end that receives and decipher according to the security control unit two of intelligent code key sends.
2. the method that camera video is real-time encrypted is characterized in that, comprises the steps:
(1) registration process: the intelligent code key of monitoring camera-shooting end and Terminal Server Client exchange pairing bag separately, finish registration, pairing comprise separately system information and the PKI of rivest, shamir, adelman; The first intelligent code key that uses must be through registration process, and the intelligent code key of having registered is directly carried out verification process; The video data ciphertext that Terminal Server Client can only send by the intelligent code key deciphering monitoring camera-shooting end of having registered;
(2) verification process: whether registered in SD card encryption module by the intelligent code key of client and the information interactive affirmation intelligent code key of SD card encryption module, authentication is passed through if information matches is successful, otherwise authentification failure, system can't work on;
(3) generate encryption key: the real random number generator that SD card encryption module is used security control unit one is the generating video encryption key at random, sends into ciphering unit, sends to client after simultaneously key being used rivest, shamir, adelman to encrypt; The security control unit two of custom end intelligent cipher key receives and adopts rivest, shamir, adelman decrypted video encryption key and send into the intelligent code key decryption unit;
(4) monitoring camera-shooting end ciphering process: the ciphering unit of monitoring camera-shooting end is encrypted the real time video data that obtains and is sent to client;
(5) decryption of video playing process: Terminal Server Client receiving video data ciphertext also by the decryption unit deciphering of intelligent code key, is then exported the real time video data plaintext by the video output module.
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| CN2012104589764A CN103051869A (en) | 2012-11-15 | 2012-11-15 | System and method for encrypting camera video in real time |
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| CN104239808A (en) * | 2013-06-14 | 2014-12-24 | 北京数码视讯科技股份有限公司 | Method and device for encryption transmission of data |
| CN104378649A (en) * | 2014-08-19 | 2015-02-25 | 中国科学院信息工程研究所 | Method and system for encrypting video streams in real time through SM1 cryptographic algorithm |
| CN104519013A (en) * | 2013-09-27 | 2015-04-15 | 华为技术有限公司 | Method and system for ensuring security of media stream, and device |
| CN106331867A (en) * | 2015-06-23 | 2017-01-11 | 上海华虹集成电路有限责任公司 | Network camera security reinforcement system based on CA authentication |
| CN107277320A (en) * | 2017-07-13 | 2017-10-20 | 北京视博融合科技有限公司 | A kind of safe picture pick-up device encryption method and safe picture pick-up device |
| CN107819575A (en) * | 2017-11-19 | 2018-03-20 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption service end and the implementation method of certification |
| CN107872324A (en) * | 2017-11-19 | 2018-04-03 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption client and certification implementation method |
| CN107948603A (en) * | 2017-12-07 | 2018-04-20 | 北海市天硌打印耗材有限公司 | A kind of production monitoring video sharing method |
| CN107947937A (en) * | 2017-11-19 | 2018-04-20 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption system and terminal authentication implementation method |
| CN108173815A (en) * | 2017-12-11 | 2018-06-15 | 厦门亿力吉奥信息科技有限公司 | A kind of electric system video-encryption converges management system |
| CN108777677A (en) * | 2018-05-18 | 2018-11-09 | 上海小蚁科技有限公司 | cloud storage data security protection method and device, storage medium, camera, computing device |
| CN111432186A (en) * | 2020-05-11 | 2020-07-17 | 中航长沙设计研究院有限公司 | Monitoring system for video encryption |
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| CN104378649B (en) * | 2014-08-19 | 2018-10-09 | 中国科学院信息工程研究所 | It is a kind of that real-time encrypted method and system being carried out to video flowing using the close SM1 algorithms of state |
| CN106331867A (en) * | 2015-06-23 | 2017-01-11 | 上海华虹集成电路有限责任公司 | Network camera security reinforcement system based on CA authentication |
| CN107277320A (en) * | 2017-07-13 | 2017-10-20 | 北京视博融合科技有限公司 | A kind of safe picture pick-up device encryption method and safe picture pick-up device |
| CN107872324A (en) * | 2017-11-19 | 2018-04-03 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption client and certification implementation method |
| CN107947937A (en) * | 2017-11-19 | 2018-04-20 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption system and terminal authentication implementation method |
| CN107819575A (en) * | 2017-11-19 | 2018-03-20 | 天津光电安辰信息技术股份有限公司 | A kind of safe audio-video encryption service end and the implementation method of certification |
| CN107948603A (en) * | 2017-12-07 | 2018-04-20 | 北海市天硌打印耗材有限公司 | A kind of production monitoring video sharing method |
| CN108173815A (en) * | 2017-12-11 | 2018-06-15 | 厦门亿力吉奥信息科技有限公司 | A kind of electric system video-encryption converges management system |
| CN108777677A (en) * | 2018-05-18 | 2018-11-09 | 上海小蚁科技有限公司 | cloud storage data security protection method and device, storage medium, camera, computing device |
| CN111432186A (en) * | 2020-05-11 | 2020-07-17 | 中航长沙设计研究院有限公司 | Monitoring system for video encryption |
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