CN105554511A - Encryption transmission method of onboard audio and video files - Google Patents
Encryption transmission method of onboard audio and video files Download PDFInfo
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- CN105554511A CN105554511A CN201510995534.7A CN201510995534A CN105554511A CN 105554511 A CN105554511 A CN 105554511A CN 201510995534 A CN201510995534 A CN 201510995534A CN 105554511 A CN105554511 A CN 105554511A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 230000004044 response Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims description 15
- 238000005538 encapsulation Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 4
- 238000013475 authorization Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- H04N21/21—Server components or server architectures
- H04N21/214—Specialised server platform, e.g. server located in an airplane, hotel, hospital
- H04N21/2146—Specialised server platform, e.g. server located in an airplane, hotel, hospital located in mass transportation means, e.g. aircraft, train or bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- 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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- 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
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
-
- 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
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client 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]
- H04N21/20—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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Graphics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides an encryption transmission method of onboard audio and video files. The invention has advantages and beneficial effects as follows that (1) aerial rapid and massive audio and video data transmission is realized basing on a wireless WLAN technique, aerial individual entertainment demands of passengers are satisfied; (2), an audio and video file server caches the resource data of processing the response data according to a preset data processing rule so as to reduce the data occupied space through a cache module in advance; the aerial audio and video server can directly provide response data to the client through the cache module, the client access speed can be clearly improved; (3), a user can conveniently and visually play various audio and video files at various terminals, the problem of copyright protection of television contents is solved through DTCP encryption, the copyright owners such as content merchants can share the charged audio and video files safely; (4), the safety and privacy of the entertainment system can be promoted through portal authorization.
Description
Art
The present invention relates to internet arena, be specifically related to audio/video file encrypted transmission method on a kind of machine.
Background technology
Transatmospheric vehicle (as aircraft) is provided with data communications equipment usually, makes passenger can watch video film on the road, listen to the music or surf the Net.Traditional Passenger Entertainment System typically comprises cabin, the crown (overheadcabin) video system or the video system based on seat that have and control separately, makes to select view content by passenger.View content can comprise the audio content and video content that are derived from plurality of kinds of contents source.The internal content (such as audio player and video player) of installing on a vehicle can provide pre-recorded view content (such as film and music).
Due to the limited bandwidth that current airborne entertainment system is distributed, therefore multicast mode transmission is taked for revenue passenger, the program of same channel, no matter have how many user to ask, only send a road audio/video flow, network condition is obviously improved; And for honored guest passenger, then take mode of unicast, to provide better Consumer's Experience, but alternative audio/video file is still little.This mode is subject to the impact that transmission bandwidth is little, far can not meet the demand of current passenger.
Along with the vehicles occurring more data communications equipment, store the data server of passenger institute calling data, such as according to wlan standard, be connected to radio interface, make passenger can by the terminal equipment of oneself, as mobile phone or portable computer (panel computer) connect with data server, improve the experience ridden public transportation means of client to a great extent.
Summary of the invention
The invention provides audio/video file encrypted transmission method on a kind of machine, the method by wifi wireless network, make passenger can through by radio play terminal and aerial video server interconnected, realize Large Copacity video-audio data fast transport, and fast convenient and safe.
To achieve these goals, the invention provides audio/video file encrypted transmission method on a kind of machine, this comprises the steps:
(1) radio play terminal searches audio/video file server, described audio/video file server and described terminal are set up the encrypted content transfer passage of DTCP-IP and are sent the request of certification and visit data, and audio/video file server receives and confirms the request of the certification that terminal sends and visit data;
(2) audio/video file server and described terminal set up the encrypted content transfer passage of DTCP-IP;
(3) according to described request, search in cache module and whether there is the corresponding reply data through the process of preset data processing rule;
(4) if there is corresponding described reply data in cache module, encapsulate to generate response message to described reply data;
(5) described response message is passed through encrypted content transfer passage, return to described radio play terminal, radio play terminal is handled as follows:
Judge whether described audio/video file content is protected content;
When described audio/video file content is protected content, described shielded content is carried out solution protection by preset-key, obtain audio/video file content clear stream;
The copy control information CCI described audio/video file content clear stream being added to DTCP marks, and wherein, described CCI mark comprises to be forbidden copy mark or only copy once marking;
DTCP encryption is done to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
Preferably, in step (2), specifically comprise the steps:
Audio/video file server receive that described terminal sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through; If the audio/video file content of terminal request is shielded content, gateway can receive the certification of the DTCP-IP of self terminal and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server, and the audio/video file content got is sent to terminal by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
Preferably, in step (1), portal authentication method is adopted to accept and confirm the authentication request of terminal, specific as follows:
The Portal authentication request that server receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal.
Preferably, in step s 4 which, encapsulate to generate response message to described reply data, comprising:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
The present invention has the following advantages and beneficial effect: (1) realizes aerial video-audio data that is quick, magnanimity based on wireless WLAN technology and transmits, and meets the personalized entertainment demand that passenger is aerial; (2) audio/video file server by utilizing cache module carries out buffer memory to through the process of preset data processing rule with the resource data reducing data and take up space in advance, by this cache module, aerial video server can provide reply data directly to client, can significantly improve the speed of client-access; (3) terminal only needs the local area network (LAN) URI corresponding according to the audio/video file that need ask to send playing request, the audio/video file content of needs will be received, user can be facilitated and in various terminal, play all types of audio/video file intuitively, encrypted the problem also solving television content copyright protection by DTCP, make the copyright owners such as content business can safety share charge audio/video file; (4) by portal certification, fail safe and the privacy of entertainment systems is promoted.
Accompanying drawing explanation
Fig. 1 shows the block diagram of audio/video file transmission system on a kind of machine of the present invention.
Fig. 2 shows audio/video file encrypted transmission method on a kind of machine.
Embodiment
Fig. 1 shows audio/video file transmission system on a kind of machine of the present invention, and this system comprises:
Aerial video server 1 and radio play terminal 2;
Described aerial video server 1 comprises:
Cache module 12, is suitable for the data that buffer memory takes up space to reduce data through the process of preset data processing rule;
Server receiver module 11, receives the request of the visit data of radio play terminal 2;
Data search module 13, is suitable for calling described cache module, and according to described request, searches in described cache module and whether there is the corresponding reply data through the process of described preset data processing rule;
, there is corresponding described reply data if be suitable in described cache module, encapsulate to generate response message to described reply data in package module 14;
Wireless output module 15, is suitable for described response message to return to described radio play terminal;
Described radio play terminal 2 comprises:
Wireless connections module 21, searches for aerial video server, and sets up wireless connections;
Request module 22, for initiating visit data request to aerial video server
Wireless terminal reception module 23, be suitable for receive described aerial video server return through the process of preset data processing rule and packed reply data;
Parsing module 24, is suitable for obtaining described preset data processing rule from described aerial video server, adopts described preset data processing rule to resolve described reply data;
User interactive module 25, for being carried out showing and playing by the reply data after parsing, and inputs command adapted thereto for user.
Preferably, described server receiver module 11 also has terminal authentication unit, for receiving the Portal authentication request of described radio play terminal 2, the Redirect Address that described Portal authentication request sends according to IAD by described terminal 2 is sent, described Redirect Address comprises uniform resource position mark URL information, and described URL information is generated by described public's account platform and comprised parameters for authentication.
Preferably, described package module 14 also for:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described aerial video server of mark, to generate described response message.
Preferably, described preset data processing rule comprises province's stream mode data processing rule.
Preferably, described province stream mode data processing rule comprises data compression pattern in various degree.
Preferably, described data compression pattern in various degree comprise following one of at least:
The compression of mild compression, moderate compression, severe, white-black pattern, without chart-pattern.
Preferably, described aerial video server 1 also comprises:
Judge module 16, for judging whether described audio/video file content is protected content;
Separate protection module 17, during for judging that at judge module described audio/video file content is protected content, described shielded content being carried out solution protection by preset-key, obtaining audio/video file content clear stream;
Add mark module 18, mark for the copy control information CCI described audio/video file content clear stream being added to DTCP, wherein, described CCI mark comprises to be forbidden copy mark or only copies once marking;
Encryption processing module 18, for doing DTCP encryption to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
Fig. 2 shows audio/video file encrypted transmission method on a kind of machine of the present invention, and this comprises the steps:
S1. radio play terminal 2 searches audio/video file server 1, described audio/video file server 1 and described terminal 2 are set up the encrypted content transfer passage of DTCP-IP and are sent the request of certification and visit data, and audio/video file server receives and confirms the request of the certification that terminal sends and visit data;
S2. audio/video file server 1 and described terminal 2 set up the encrypted content transfer passage of DTCP-IP;
S3. according to described request, search in cache module and whether there is the corresponding reply data through the process of preset data processing rule;
If S4. there is corresponding described reply data in cache module 12, encapsulate to generate response message to described reply data;
S5. described response message is passed through encrypted content transfer passage, return to described radio play terminal, radio play terminal is handled as follows:
Judge whether described audio/video file content is protected content;
When described audio/video file content is protected content, described shielded content is carried out solution protection by preset-key, obtain audio/video file content clear stream;
The copy control information CCI described audio/video file content clear stream being added to DTCP marks, and wherein, described CCI mark comprises to be forbidden copy mark or only copy once marking;
DTCP encryption is done to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
Preferably, in step s 2, specifically comprise the steps:
Audio/video file server 1 receive that described terminal 2 sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through; If the audio/video file content of terminal request is shielded content, gateway can receive the certification of the DTCP-IP of self terminal and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server, and the audio/video file content got is sent to terminal by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
Preferably, in step (1), portal authentication method is adopted to accept and confirm the authentication request of terminal, specific as follows:
The Portal authentication request that server receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal.
Preferably, in step s 4 which, encapsulate to generate response message to described reply data, comprising:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
If the playing request that gateway receives carries DTCP protection mark; then the audio/video file of terminal request is shielded audio/video file; the audio/video file content that gateway is corresponding to this audio/video file got does the process of DTCP encipherment protection, after process, then sends to terminal.If user has been purchased from content and has bought mandate, then gateway can obtain the user key watching protected audio/video file.Gateway uses the shielded content of double secret key to carry out solution protection, obtains audio/video file content clear stream.According to user's request, gateway adds DTCP content protecting mark CCI to audio/video file content clear stream.Such as, user asks to play this program, and content clear stream marks: forbid copy; User asks to record this program, and content clear stream marks: only copy once.As cellphone subscriber asks to play charge program, audio/video file content is shielded through encryption.After user buys the mandate of broadcasting, gateway can the key solution of use authority protect this audio/video file content to be audio/video file content clear stream.According to request or the purchase authorization conditions of user; the mark adding CCI in this audio/video file content clear stream " forbids copy "; then gateway does DTCP encryption to the content that with the addition of DTCP content protecting mark CCI, forms DTCP encipherment protection content, sends to terminal by encrypted tunnel.
As mentioned above, although the embodiment limited according to embodiment and accompanying drawing are illustrated, various amendment and distortion can be carried out from above-mentioned record concerning the technical staff that the art has a general knowledge.Such as, carry out according to the order mutually different from method illustrated in the technology illustrated, and/or carry out combining or combining according to the form mutually different from the method illustrated by the inscape such as system, structure, device, circuit illustrated, or carry out replacing or replacing also can reaching suitable effect according to other inscapes or equipollent.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, make some equivalent to substitute or obvious modification, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. an audio/video file encrypted transmission method on machine, this comprises the steps:
(1) radio play terminal searches audio/video file server, described audio/video file server and described terminal are set up the encrypted content transfer passage of DTCP-IP and are sent the request of certification and visit data, and audio/video file server receives and confirms the request of the certification that terminal sends and visit data;
(2) audio/video file server and described terminal set up the encrypted content transfer passage of DTCP-IP;
(3) according to described request, search in cache module and whether there is the corresponding reply data through the process of preset data processing rule;
(4) if there is corresponding described reply data in cache module, encapsulate to generate response message to described reply data;
(5) described response message is passed through encrypted content transfer passage, return to described radio play terminal, radio play terminal is handled as follows:
Judge whether described audio/video file content is protected content;
When described audio/video file content is protected content, described shielded content is carried out solution protection by preset-key, obtain audio/video file content clear stream;
The copy control information CCI described audio/video file content clear stream being added to DTCP marks, and wherein, described CCI mark comprises to be forbidden copy mark or only copy once marking;
DTCP encryption is done to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
2. the method for claim 1, is characterized in that, in step (2), specifically comprises the steps:
Audio/video file server receive that described terminal sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through; If the audio/video file content of terminal request is shielded content, gateway can receive the certification of the DTCP-IP of self terminal and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server, and the audio/video file content got is sent to terminal by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
3. the method for claim 1, is characterized in that, adopts portal authentication method accept and confirm the authentication request of terminal in step (1), specific as follows:
The Portal authentication request that server receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal.
4. the method for claim 1, is characterized in that, in step s 4 which, encapsulates to generate response message, comprising described reply data:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510995534.7A CN105554511A (en) | 2015-12-24 | 2015-12-24 | Encryption transmission method of onboard audio and video files |
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| CN201510995534.7A CN105554511A (en) | 2015-12-24 | 2015-12-24 | Encryption transmission method of onboard audio and video files |
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Cited By (1)
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| CN109714299A (en) * | 2017-10-26 | 2019-05-03 | 创盛视联数码科技（北京）有限公司 | The method that encrypted video plays |
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| CN109714299A (en) * | 2017-10-26 | 2019-05-03 | 创盛视联数码科技（北京）有限公司 | The method that encrypted video plays |
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Application publication date: 20160504 |