CN106131603B - A kind of video broadcasting method and system based on dynamic dictionary - Google Patents
A kind of video broadcasting method and system based on dynamic dictionary Download PDFInfo
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- CN106131603B CN106131603B CN201610711332.XA CN201610711332A CN106131603B CN 106131603 B CN106131603 B CN 106131603B CN 201610711332 A CN201610711332 A CN 201610711332A CN 106131603 B CN106131603 B CN 106131603B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000012163 sequencing technique Methods 0.000 claims description 7
- 239000011800 void material Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000013475 authorization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of video broadcasting method and system based on dynamic dictionary, video file is divided into multiple piece of video, out-of-order processing is carried out to each piece of video according to dynamic dictionary, the dynamic dictionary of each piece of video is encrypted using video key, and the ciphertext of dynamic dictionary is added to each piece of video head and tail portion；Video player carries out authentication and authorization using authentication password and video server before broadcasting, session key is generated using authentication password, the video key ciphertext sent using session password decryption video server, it is decrypted when playing using the ciphertext of video key pair dynamic dictionary, is played after being ranked up according to dynamic dictionary to piece of video.In this way since criminal does not have legal identity, can not to download video files, even if illegally obtaining video file, it due to there is no authentication password, can not also play out, solve the problems, such as video file infringement, have the advantages that performance is high simultaneously, is suitable for smart phone and plays.
Description
Technical field
The present invention relates to field of information security technology, and in particular to it is a kind of based on the video broadcasting method of dynamic dictionary be
System.
Background technique
Currently, the video with computer, tablet computer, mobile phone, internet and its fast development of application, in internet
Receive the important tool of training, education and entertainment using people are had become, while being become by the Internet download video file
Criminal invades the major way of video copy, so that protecting internet video file to become protection by information security technology
The task of top priority of video copy, video file copyright protection, has the following problems at present,
(1) video file copyright protection, the shortcomings that there are in internet by illegal download；
(2) there is the shortcomings that illegally playing using video player in video file copyright protection.
Summary of the invention
The purpose of the present invention is to provide a kind of high video broadcasting method and system based on dynamic dictionary of performance, to
Solve the problems, such as illegal download video file, illegal playing video file.
To achieve the above object, the present invention provides a kind of video broadcasting methods based on dynamic dictionary, comprising: video clothes
Device of being engaged in is based on dynamic dictionary processing video file and saves treated video file；User passes through registration account in Web page
Number login authentication server；Video player connects certificate server, and user's input authentication password is authenticated and authorized；Video
Player and video server consulting session password and video key；Video player is based on dynamic dictionary and plays video.
The above-mentioned video broadcasting method based on dynamic dictionary disclosed by the invention, further, video server are based on dynamic
It includes: that video file is divided into multiple piece of video that state dictionary, which handles video file,；Each piece of video is carried out according to dynamic dictionary
Random ordering processing；The dynamic dictionary of each piece of video is encrypted using video key；The ciphertext of dynamic dictionary is added to each video
Sheet head and tail portion.
The above-mentioned video broadcasting method based on dynamic dictionary disclosed by the invention, further, video player and video
Server consulting session password and video key include: that video player and video server are negotiated to generate random number, in video
By authentication password and generating random number session key in player, using authentication password encrypted random number and timestamp to session
Key encrypts and makes it have timeliness, encrypted session key is sent to certificate server, while deleting authentication password；
Certificate server, which decrypts the encrypted session key received using authentication password and verifies its timeliness, generates session key；
When order video, video server using session key encrypted video key, and is sent to certificate server queued session key
To video player；Video player receives video key ciphertext, is decrypted using the session key of oneself, it is bright to obtain video key
Text.
The above-mentioned video broadcasting method based on dynamic dictionary disclosed by the invention, further, video player are based on dynamic
It includes: all piece of video for receiving the video file to be played that state dictionary, which plays video,；Read the head of each piece of video with
Dynamic dictionary ciphertext in run-out；Dynamic dictionary ciphertext is decrypted using video key；Piece of video is arranged according to dynamic dictionary
Sequence simultaneously plays.
The above-mentioned video broadcasting method based on dynamic dictionary disclosed by the invention, further, authentication password and registration account
Number login password is identical.
The invention also discloses a kind of audio/video player systems based on dynamic dictionary, comprising: video player, installation to intelligence
In energy user terminal；Cloud virtual local area network, comprising: video server, certificate server, information bank and virtual network management are flat
Platform, video server, certificate server and information bank are wired or wireless to be connected to virtual network management platform and by virtual net
Network manages platform uniform management control；Intelligent subscriber terminal through internet and cloud virtual LAN connection, so that video is broadcast
It puts device to communicate with certificate server and video server, is provided with virtual firewall between cloud virtual local area network and internet.
The above-mentioned audio/video player system based on dynamic dictionary disclosed by the invention further integrates in video player
There is session key to generate to obtain and decryption unit, dynamic dictionary ciphertext with encryption unit, file reception unit, video code key ciphertext
It reads and is generated and encryption unit, file reception list with decryption unit, video sequencing unit and video playback unit, session key
Member, video code key ciphertext are obtained to read with decryption unit, dynamic dictionary ciphertext and be broadcast with decryption unit, video sequencing unit and video
It puts unit and is respectively connected to the processor of intelligent subscriber terminal and by network connection to video server, certificate server, letter
It ceases library and virtual network manages platform.
The above-mentioned audio/video player system based on dynamic dictionary disclosed by the invention further integrates in video server
There are video file sharding unit, piece of video random ordering processing unit, session key request unit, dynamic dictionary encryption unit and storage
Unit, video file sharding unit, piece of video random ordering processing unit, session key request unit, dynamic dictionary encryption unit and
Storage unit is wired or wireless respectively to be connected to virtual network management platform.
The above-mentioned audio/video player system based on dynamic dictionary disclosed by the invention further integrates in certificate server
There are user authentication unit, service management unit and session key decryption and authentication unit, user authentication unit, service management unit
The wired or wireless virtual network that is connected to manages platform respectively with authentication unit with session key decryption.
The above-mentioned audio/video player system based on dynamic dictionary disclosed by the invention, further, information bank are used for storing
Family information, authentication information, session information, video key information and piece of video index information.
The present invention has the advantage that
The present invention provides a kind of video broadcasting method and system based on dynamic dictionary, by universal video player
Middle increase user authentication and ranking function propose performance height, the audio/video player system based on dynamic dictionary, so that criminal
Due to there is no legal identity, can not to download video files, even if illegally obtaining video file, due to there is no authentication password, also without
Method plays out.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of the audio/video player system based on dynamic dictionary in the present invention.
Fig. 2 is a kind of structural schematic diagram of the audio/video player system based on dynamic dictionary in the present invention.
Fig. 3 is a kind of video broadcasting method schematic diagram based on dynamic dictionary in the present invention.
Fig. 4 is a kind of schematic diagram of the video server based on dynamic dictionary processing video file method in the present invention.
Fig. 5 is that a kind of video player and video server consulting session password and video encryption key method show in the present invention
It is intended to.
Fig. 6 is a kind of schematic diagram of the video player based on dynamic dictionary broadcasting video method in the present invention.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present invention provides a kind of audio/video player systems based on dynamic dictionary, as depicted in figs. 1 and 2, video playing system
System includes: video player 1 and cloud virtual local area network 3 of the installation into intelligent subscriber terminal 2, and cloud virtual local area network 3 wraps
It includes: video server 4, certificate server 5, information bank 6 and virtual network management platform 7, video server 4, certificate server 5
Wired or wireless way, which is all made of, with information bank 6 is connected to virtual network management platform 7 and by virtual network management 7 unification of platform
Management control；Intelligent subscriber terminal 2 is connect by internet 8 with cloud virtual local area network 3, so as to video player 1 and certification
Server 5 and video server 4 communicate, and virtual firewall 9 is provided between cloud virtual local area network 3 and internet 8.
A kind of audio/video player system based on dynamic dictionary as described above, wherein intelligent subscriber terminal 2 may include platform
Formula PC, mobile PC and intelligent movable mobile phone etc..Internet 8 includes router, can be transmitted and routing network traffic.
In addition, further, session key being integrated in video player 1 and is generated and encryption unit 11, file reception list
Member 12, video code key ciphertext are obtained to be read and decryption unit 14, video sequencing unit 15 with decryption unit 13, dynamic dictionary ciphertext
With video playback unit 16, session key, which is generated, to be obtained and solves with encryption unit 11, file reception unit 12, video code key ciphertext
Close unit 13, the reading of dynamic dictionary ciphertext are separately connected with decryption unit 14, video sequencing unit 15 and video playback unit 16
To intelligent subscriber terminal 2 processor 21 and by network connection to video server 4, certificate server 5, information bank 6 and void
Quasi- network management platform 7.Video file sharding unit 41, piece of video random ordering processing unit 42, meeting are integrated in video server 4
Key requesting unit 43, dynamic dictionary encryption unit 44 and storage unit 45 are talked about, video file sharding unit 41, piece of video are out-of-order
Wired or nothing is respectively adopted in processing unit 42, session key request unit 43, dynamic dictionary encryption unit 44 and storage unit 45
Line mode is connected to virtual network management platform 7.User authentication unit 51, service management unit are integrated in certificate server 5
52 and session key decryption with authentication unit 53, user authentication unit 51, service management unit 52 and session key decryption and test
Card unit 53 is respectively adopted wired or wireless way and is connected to virtual network management platform 7.Information bank 6 is for storing user's letter
Breath, authentication information, session information, video key information and piece of video index information.
As described above, the workflow of the audio/video player system based on dynamic dictionary in the present embodiment are as follows: firstly, video
Server 4 is based on dynamic dictionary and handles video file；Specifically, video file is divided into multiple views by video file sharding unit 41
Frequency piece；Piece of video random ordering processing unit 42 carries out out-of-order processing to each piece of video according to dynamic dictionary；Dynamic dictionary encryption is single
Member 44 encrypts the dynamic dictionary of each piece of video using video key；And the ciphertext of dynamic dictionary is added to each video title
Portion and tail portion；By treated, video file is saved to storage unit 45, while generating piece of video index information in information bank 6,
Wherein, treated, and video file includes all piece of video obtained after processing by the video file before handling.Then, user
Pass through register account number login authentication server 5 in Web page；Video player 1 connects certificate server 5, and user's input is recognized
Card password is authenticated and is authorized by the user authentication unit 51 of certificate server 5, while right by service management unit 52
All registration user informations are managed；Then, video player 1 and 4 consulting session password of video server and video key,
Specifically, video player 1 is generated by session key and negotiates to generate random number with encryption unit 11 and video server 4, by
Authentication password and generating random number session key using authentication password encrypted random number and timestamp and are sent to certificate server
5, while deleting authentication password；Certificate server 5 is touched with authentication unit 53 using authentication password solution by session key decryption
The encrypted session key that receives simultaneously verifies its timeliness and generates session key；When order video, video server 4 passes through meeting
Key requesting unit 43 is talked about to 5 queued session key of certificate server, using session key encrypted video key, and is sent to view
Frequency player 1；Video player 1 is obtained by video code key ciphertext and receives video key ciphertext with decryption unit 13, and meeting is utilized
Key decryption is talked about, video key plain is obtained.Finally, what video player 1 to be played by the reception of file reception unit 12
All piece of video of video file；The head and piece that each piece of video is read with decryption unit 14 are read by dynamic dictionary ciphertext
Dynamic dictionary ciphertext in tail；Dynamic dictionary ciphertext is decrypted using video key；By video sequencing unit 15 according to dynamic word
Allusion quotation is ranked up piece of video and is played out by video playback unit 16.
Embodiment 2
Another core of the invention is to provide a kind of video broadcasting method based on dynamic dictionary, referring to shown in Fig. 3
Flow chart the process of the video broadcasting method based on dynamic dictionary in the present embodiment is described in further detail, including
Following steps:
Step 301: video server is based on dynamic dictionary processing video file and saves treated video file；
Step 302: user passes through register account number login authentication server in Web page；
Step 303: video player connects certificate server, and user's input authentication password is authenticated and authorized；
Step 304: video player and video server consulting session password and video key；
Step 305: video is played based on dynamic dictionary.
The process based on dynamic dictionary processing video file method is made referring to flow chart shown in Fig. 4 further detailed
Explanation, comprising the following steps:
Step 401: video file is divided into multiple piece of video；
Step 402: out-of-order processing is carried out to each piece of video according to dynamic dictionary；
Step 403: the dynamic dictionary of each piece of video is encrypted using video key；
Step 404: the ciphertext of dynamic dictionary is added to each piece of video head and tail portion.
Flow chart referring to Figure 5 makees the process of video player and video server arranging key method further
Detailed description, comprising the following steps:
Step 501: video player and video server are negotiated to generate random number, by authentication password and generating random number meeting
Key is talked about, using authentication password encrypted random number and timestamp and is sent to certificate server, while deleting authentication password；
Step 502: certificate server is decrypted the encrypted session key received using authentication password and is verified at that time
Effect property generates session key；
Step 503: when order video, video server to certificate server queued session key, using session key plus
Close video key, and it is sent to video player；
Step 504: video player receives video key ciphertext, is decrypted using session key, obtains video key plain.
Video player is made based on the method flow that dynamic dictionary plays video referring to flow chart shown in fig. 6 further
Detailed description, comprising the following steps:
Step 601: receiving all piece of video for the video file to be played；
Step 602: reading the dynamic dictionary ciphertext in the head and run-out of each piece of video；
Step 603: decrypting dynamic dictionary ciphertext using video key；
Step 604: piece of video being ranked up and played according to dynamic dictionary.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (7)
1. a kind of video broadcasting method based on dynamic dictionary, it is characterised in that: the video broadcasting method includes:
Video server is based on dynamic dictionary processing video file and saves treated video file, wherein by the video
Video file is divided into multiple piece of video by server, is carried out out-of-order processing to each piece of video according to dynamic dictionary, is utilized video
Key encrypts the dynamic dictionary of each piece of video, and the ciphertext of dynamic dictionary is added to the head and tail portion of each piece of video；
User passes through register account number login authentication server in Web page；
Video player connects certificate server, and user's input authentication password is authenticated and authorized；
Video player and video server consulting session password and video key, wherein video player and video server
Negotiate generation random number to encrypt by authentication password and generating random number session key in video player using authentication password
Random number and timestamp are sent to certification clothes timeliness is encrypted and made it have to session key, by encrypted session key
Business device, while authentication password is deleted, the encrypted session key that certificate server is received using authentication password decryption is simultaneously tested
It demonstrate,proves its timeliness and generates session key, when order video, video server utilizes session to certificate server queued session key
Key encrypted video key, and it is sent to video player, video player receives video key ciphertext, utilizes the session of oneself
Key decryption, obtains video key plain；
Video player is based on dynamic dictionary and plays video, wherein receives the video to be played text by the video player
All piece of video of part read the dynamic dictionary ciphertext in the head and run-out of each piece of video, are decrypted using video key dynamic
State dictionary ciphertext is ranked up and plays to piece of video according to dynamic dictionary.
2. the video broadcasting method according to claim 1 based on dynamic dictionary, it is characterised in that: the authentication password with
Register account number login password is identical.
3. a kind of audio/video player system based on dynamic dictionary, it is characterised in that: the audio/video player system includes:
Video player is installed into intelligent subscriber terminal；
Cloud virtual local area network, comprising: video server, certificate server, information bank and virtual network manage platform, the view
Frequency server, the certificate server and described information storehouse are all made of wired or wireless way and are connected to the virtual network management
Platform is simultaneously controlled by virtual network management platform uniform management；
The intelligent subscriber terminal through internet and the cloud virtual LAN connection, so as to the video player and institute
Certificate server and video server communication are stated, is provided with virtual fire prevention between the cloud virtual local area network and internet
Wall；
Wherein, the video server is based on dynamic dictionary processing video file and saves treated video file, wherein by
Video file is divided into multiple piece of video by the video server, carries out out-of-order processing to each piece of video according to dynamic dictionary,
The dynamic dictionary that each piece of video is encrypted using video key, by the ciphertext of dynamic dictionary be added to the head of each piece of video with
Tail portion；User logs in the certificate server by register account number in Web page；The video player connects the certification
Server, user's input authentication password are authenticated and are authorized；The video player and the video server consulting session
Password and video key, wherein video player and video server are negotiated to generate random number, by authenticating in video player
Password and generating random number session key, encrypt session key using authentication password encrypted random number and timestamp and make it
With timeliness, encrypted session key is sent to certificate server, while deleting authentication password, certificate server utilizes
The authentication password encrypted session key that receives of decryption simultaneously verifies its timeliness and generates session key, when order video, depending on
Frequency server using session key encrypted video key, and is sent to video player to certificate server queued session key,
Video player receives video key ciphertext, is decrypted using the session key of oneself, obtains video key plain；The video is broadcast
It puts device and is based on dynamic dictionary broadcasting video, wherein receive all views for the video file to be played by the video player
Frequency piece reads the dynamic dictionary ciphertext in the head and run-out of each piece of video, decrypts dynamic dictionary ciphertext using video key,
Piece of video is ranked up and is played according to dynamic dictionary.
4. the audio/video player system according to claim 3 based on dynamic dictionary, it is characterised in that: the video player
In be integrated with session key generate with encryption unit, file reception unit, video code key ciphertext obtain with decryption unit, dynamic word
Allusion quotation ciphertext is read to be generated and encryption unit, institute with decryption unit, video sequencing unit and video playback unit, the session key
State file reception unit, the video code key ciphertext obtain with decryption unit, the dynamic dictionary ciphertext read with decryption unit,
The video sequencing unit and the video playback unit are respectively connected to the processor of the intelligent subscriber terminal and pass through net
Network is connected to the video server, the certificate server, described information storehouse and virtual network management platform.
5. the audio/video player system according to claim 3 based on dynamic dictionary, it is characterised in that: the video server
In be integrated with video file sharding unit, piece of video random ordering processing unit, session key request unit, dynamic dictionary encryption unit
And storage unit, the video file sharding unit, the piece of video random ordering processing unit, the session key request unit,
The dynamic dictionary encryption unit and the storage unit are respectively adopted wired or wireless way and are connected to the virtual network pipe
Platform.
6. the audio/video player system according to claim 3 based on dynamic dictionary, it is characterised in that: the certificate server
In be integrated with user authentication unit, service management unit and session key decryption and authentication unit, the user authentication unit, institute
It states service management unit and session key decryption is respectively adopted wired or wireless way with authentication unit and is connected to the void
Quasi- network management platform.
7. the audio/video player system according to claim 3 based on dynamic dictionary, it is characterised in that: described information storehouse is used for
Store user information, authentication information, session information, video key information and piece of video index information.
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| CN201610711332.XA CN106131603B (en) | 2016-08-23 | 2016-08-23 | A kind of video broadcasting method and system based on dynamic dictionary |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107172462A (en) * | 2017-07-19 | 2017-09-15 | 北京华虹集成电路设计有限责任公司 | A kind of video-encryption and identity identifying method and security module |
| CN108881953B (en) * | 2018-06-29 | 2020-07-31 | 银河威尔科技（北京）有限公司 | Video encryption method and device |
| CN110445782B (en) * | 2019-08-06 | 2022-06-07 | 郑州信大捷安信息技术股份有限公司 | Multimedia safe broadcast control system and method |
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| CN1964479A (en) * | 2006-11-24 | 2007-05-16 | 清华大学 | Method for realizing management of digital copyright based on stream media broadcast |
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