CN109660866A - A kind of decryption of video method based on H5 - Google Patents
A kind of decryption of video method based on H5 Download PDFInfo
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- CN109660866A CN109660866A CN201811628693.3A CN201811628693A CN109660866A CN 109660866 A CN109660866 A CN 109660866A CN 201811628693 A CN201811628693 A CN 201811628693A CN 109660866 A CN109660866 A CN 109660866A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005538 encapsulation Methods 0.000 claims abstract description 18
- 238000009877 rendering Methods 0.000 claims abstract description 11
- 230000004069 differentiation Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013589 supplement Substances 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]
- H04N21/40—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
-
- 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
- H04N21/44008—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 operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
-
- 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
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8173—End-user applications, e.g. Web browser, game
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The decryption of video method based on H5 that the invention discloses a kind of.It specifically comprises the following steps: (1) parameter setting, provides parameter needed for video;(2) parsing prepares, to determine video encapsulation format;(3) decryption prepares, and checks whether video has encryption information;(4) operation is decrypted to encrypted video in decrypting process;(5) decapsulation of video Reseals into the format that MSE is supported after voluntarily decoding;(6) encapsulation again of video: source code flow is obtained after decapsulation, is again packaged source code flow;(7) it the rendering and broadcasting of video: after acquirement Reseals the new file stream to be formed, is supported by the MSE of browser, carries out video last rendering and play operation.As long as, suitable for all videos encrypted using specified scheme, web terminal video resource is effectively prevent to be stolen chain the beneficial effects of the present invention are: the browser of MSE is supported to can be carried out the implementation of above-mentioned decryption scheme.
Description
Technical field
The present invention relates to video playing correlative technology fields, refer in particular to a kind of decryption of video method based on H5.
Background technique
H5 is the abbreviation of HTML 5, is the latest edition for the HTML standard that W3C tissue is released.HTML technology can be browsing
Device provides the rich network english teaching for being not necessarily to plug-in unit.In the present invention, the part MSE in HTML, MSE full name have especially been used
" source of media extension ", allows to be sent to bit stream using JavaScript the decoder of browser.Therefore all pairs of video flowings
It operates and is just supported, the video type all without the primary support of browser.
Internet cloud technology maturation at present, many industries are flat including video resource all in the cloud platform for establishing oneself
Platform includes various videos to meet the needs of user's viewing.For convenience of user to watch, it requires greatly to provide web terminal
Broadcasting scheme.But it due to the opening of web terminal, steals chain and occurs often, video-encryption is imperative, just needs certainly corresponding
Decryption scheme.
Summary of the invention
The present invention is in order to overcome the above deficiencies in the prior art, to provide one kind and effectively prevent web terminal video
Resource is stolen the decryption of video method based on H5 of chain.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of decryption of video method based on H5, specifically comprises the following steps:
(1) parameter setting: outside provides external offer parameter in encrypted video resource address, and specific decrypting process;
(2) parsing prepares: file is detected based on predefined file characteristic collection to determine video encapsulation format, from
And take different parsing strategies to video carry out deeper into analysis;
(3) decryption prepares: video file is written by ciphering process in encryption information, and different video encapsulation formats is written to not
With position, the selection of this certain position has to comply with encapsulation format requirement, only encrypt specific audio, video data and
It does not destroy the metamessage of file, so can directly acquire institute under certain scenes for not needing to decrypt but needing file meta-information
Information is needed, metamessage is extracted, checks wherein whether there is encryption information, to determine whether video encrypts;If it is encrypted video,
Then enter step (4);If it is non-encrypted video, then (5) are entered step;
(4) decrypting process: after confirmation is encrypted video, determine decryption policy to needed for video playing according to encryption information
Key is verified, and is played end and is carried out playing the decryption behaviour that key then continues video required for corresponding decryption recombinates out
Make;If authentication failed, directly report user key obtains failure;
(5) decapsulation of video: since the video encapsulation format of the primary support of browser is limited, weight after needing voluntarily to decode
It newly is packaged into the format that MSE is supported, is played to pass to browser and carry out subsequent rendering;
(6) encapsulation again of video: source code flow is obtained after decapsulation, is again packaged source code flow;
(7) rendering and broadcasting of video: after acquirement Reseals the new file stream to be formed, being supported by the MSE of browser,
Carry out video last rendering and play operation.
The broadcasting using specified scheme encryption rear video may be implemented in above step, and the present invention is based on H5 technologies (to refer in particular to it
Middle MSE standard), as long as the browser of MSE is supported to can be carried out the implementation of above-mentioned decryption scheme, it is suitable for all using specific
The video of scheme encryption, effectively prevent web terminal video resource to be stolen chain.
Preferably, the external parameter that provides refers to the ginseng interacted with server in specific decrypting process in step (1)
Number, including the signature that certain is played to client, parameter is arranged in advance.
Preferably, decryption policy refers specifically in step (4), parameter is provided according to outside and is carried out to server
Verifying is returned to after being encrypted using symmetry algorithm by verifying after verifying to key needed for video playing and plays end, broadcast
End is put to carry out playing the decryption oprerations that key then continues video required for corresponding decryption recombinates out.
Preferably, the decoding refers in step (5): according to specific encryption and decryption strategy, in decapsulation
Operation is decrypted to data in the process, decrypting process is the inverse operation of ciphering process, and design is based on to mature efficient symmetrical
Encryption Algorithm carries out reversible differentiation, including displacement, displacement, equivalent substitution mode.
Preferably, step (5), step (6) and step (7) are all that circulation is progressive, until having handled all videos
Content sets newly the sequence of operation of step (5), step (6) and step (7) wherein can also be operated according to specific user seek
Loop start.
As long as being fitted the beneficial effects of the present invention are: the browser of MSE is supported to can be carried out the implementation of above-mentioned decryption scheme
For all videos encrypted using specified scheme, web terminal video resource is effectively prevent to be stolen chain.
Detailed description of the invention
Fig. 1 is method flow schematic diagram of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of decryption of video method based on H5 specifically comprises the following steps:
(1) parameter setting: outside provides external offer parameter in encrypted video resource address, and specific decrypting process;
The external parameter that provides refers to the parameter interacted with server in specific decrypting process, including the label that certain is played to client
Name, parameter are arranged in advance, it is possible to reduce the interaction for playing end and server improves efficiency;
(2) parsing prepares: file is detected based on predefined file characteristic collection to determine video encapsulation format, from
And take different parsing strategies to video carry out deeper into analysis, encryption information is extracted, audio-video turns encapsulation etc.;It is former
Because being that the video format of the primary support of browser is limited, player program is needed to do extra work to be adapted to more video lattice
Formula, example is illustrated in detail below with FLV format;
(3) decryption prepares: video file is written by ciphering process in encryption information, and different video encapsulation formats is written to not
With position, the selection of this certain position has to comply with encapsulation format requirement, only encrypt specific audio, video data and
It does not destroy the metamessage of file, so can directly acquire institute under certain scenes for not needing to decrypt but needing file meta-information
Information is needed, metamessage is extracted, checks wherein whether there is encryption information, to determine whether video encrypts;If it is encrypted video,
Then enter step (4);If it is non-encrypted video, then (5) are entered step;By taking FLV as an example, metadata information, parsing are extracted
Metadata information checks wherein whether there is encryption information, to determine whether video encrypts;
(4) decrypting process: after confirmation is encrypted video, determine decryption policy to needed for video playing according to encryption information
Key is verified, and is played end and is carried out playing the decryption behaviour that key then continues video required for corresponding decryption recombinates out
Make;If authentication failed, directly report user key obtains failure;Decryption policy refers specifically to, and provides parameter according to outside
It is verified to server, by being verified after verifying to key needed for video playing, is returned after being encrypted using symmetry algorithm
It is transmitted to and plays end, play end and carry out playing the decryption oprerations that key then continues video required for corresponding decryption recombinates out;
Such as: DRM server authentication policy is used, then signature (including timestamp information, the client being passed to according to server-side
Information, video information etc.), it is verified to DRM server, by customer information and timestamp information (when a certain range of
Between point be just considered as it is effective, acknowledging time stamp is referred to as calibration in a certain range of movement) after, using it is calibrated when
Between stab key needed for video playing verified, returned to after encryption (using symmetry algorithm) and play end, played end and carry out phase
The decryption answered plays the decryption oprerations that key then continues video required for recombinating out;If authentication failed, directly report is used
Family key obtains failure.
(5) decapsulation of video: since the video encapsulation format of the primary support of browser is limited, weight after needing voluntarily to decode
It newly is packaged into the format that MSE is supported, is played to pass to browser and carry out subsequent rendering;Decoding refers to: according to tool
Operation is decrypted to data during decapsulation in the encryption and decryption strategy of body, and decrypting process is the inverse operation of ciphering process,
Design is based on carrying out reversible differentiation, including displacement, displacement, equivalent substitution mode to mature efficient symmetric encipherment algorithm;
As FLV video format, general browser do not support directly play (FLASH technology is no longer supported,
It is not considered), it is voluntarily decapsulated so needing to play end, while according to specific encryption and decryption strategy, during decapsulation
Operation is decrypted to data, decrypting process is the inverse operation of ciphering process, design can based on to mature efficient symmetrical plus
Close algorithm carries out reversible differentiation, including displacement, displacement, equivalent substitution etc. mode.Extract the key that video decapsulation needs
Information, such as the keyframs of seek, load tags (video/audio) are first decrypted tags, are then parsed if you need to decrypt
At source code flow, such as h264.
(6) encapsulation again of video: source code flow is obtained after decapsulation, is again packaged source code flow;For example
At this moment the code stream of H264/AAC needs the packing forms that can be supported according to specific browser, such as MP4, again by source code
Stream is encapsulated into the format of MP4, forms a series of box stream;
(7) rendering and broadcasting of video: after acquirement Reseals the new file stream to be formed, being supported by the MSE of browser,
Carry out video last rendering and play operation.
Wherein: step (5), step (6) and step (7) they are all that circulation is progressive, up to having handled all video contents,
It wherein can also be operated according to specific user seek and new follow is set to the sequence of operation of step (5), step (6) and step (7)
Ring starting point.
The present invention points out that web terminal plays a kind of method of encrypted video, only needs browser that MSE is supported to be implemented with.?
Under the trend that decays of FLASH technology, this is the useful supplement played to web terminal.Format supports multiplicity, can prop up at present
HLS, TS, FLV are held, the video formats such as MP4 meet requirement of more scenes to video format.Under existing frame, if you need to suitable
With more video formats, it need to only write and accordingly turn package assembling.Decryption policy is flexible, on the basis of existing, Ke Yikuo
More decryption policies are filled, timing is updated to prevent algorithm from leaking.
Claims (5)
1. a kind of decryption of video method based on H5, characterized in that specifically comprise the following steps:
(1) parameter setting: outside provides external offer parameter in encrypted video resource address, and specific decrypting process;
(2) parsing prepares: being detected file to determine video encapsulation format based on predefined file characteristic collection, to adopt
Take different parsing strategies to video carry out deeper into analysis;
(3) decryption prepares: video file is written by ciphering process in encryption information, and different video encapsulation formats is written to different
The selection of position, this certain position has to comply with encapsulation format requirement, only encrypts specific audio, video data without broken
The metamessage of bad file so can directly acquire required letter under certain scenes for not needing to decrypt but needing file meta-information
Breath extracts metamessage, checks wherein whether there is encryption information, to determine whether video encrypts;If it is encrypted video, then into
Enter step (4);If it is non-encrypted video, then (5) are entered step;
(4) decrypting process: after confirmation is encrypted video, determine decryption policy to key needed for video playing according to encryption information
It is verified, plays end and carry out playing the decryption oprerations that key then continues video required for corresponding decryption recombinates out;Such as
Fruit authentication failed, directly report user key obtain failure;
(5) it the decapsulation of video: since the video encapsulation format of the primary support of browser is limited, is sealed again after needing voluntarily to decode
The format that MSE is supported is dressed up, is played to pass to browser and carry out subsequent rendering;
(6) encapsulation again of video: source code flow is obtained after decapsulation, is again packaged source code flow;
(7) it the rendering and broadcasting of video: after acquirement Reseals the new file stream to be formed, is supported, is carried out by the MSE of browser
Video last rendering and play operation.
2. a kind of decryption of video method based on H5 according to claim 1, characterized in that specific to solve in step (1)
The external parameter that provides refers to the parameter interacted with server during close, including the signature that certain is played to client, parameter
It is arranged in advance.
3. a kind of decryption of video method based on H5 according to claim 1, characterized in that in step (4), decrypt plan
Somewhat body refers to that providing parameter according to outside is verified to server, by after verifying to key needed for video playing
It is verified, is returned to after being encrypted using symmetry algorithm and play end, played end and broadcast required for corresponding decryption recombinates out
Put the decryption oprerations that key then continues video.
4. a kind of decryption of video method based on H5 according to claim 1, characterized in that described in step (5)
Decoding refers to: according to specific encryption and decryption strategy, operation is decrypted to data during decapsulation, decrypting process is
The inverse operation of ciphering process, design is based on carrying out reversible differentiation to mature efficient symmetric encipherment algorithm, including shifts, sets
It changes, equivalent substitution mode.
5. a kind of decryption of video method based on H5 according to claim 1, characterized in that step (5), step (6) and
Step (7) is all that circulation is progressive, until all video contents have been handled, wherein can also operate according to specific user seek
New loop start is set to the sequence of operation of step (5), step (6) and step (7).
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111787399A (en) * | 2020-07-23 | 2020-10-16 | 成都云盯科技有限公司 | Video playing method, device and system |
CN112822518A (en) * | 2021-04-19 | 2021-05-18 | 浙江华创视讯科技有限公司 | Video playing method, device, system, electronic equipment and storage medium |
CN114007106A (en) * | 2021-12-15 | 2022-02-01 | 创盛视联数码科技(北京)有限公司 | H5 video encryption playing method |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101222509A (en) * | 2008-01-22 | 2008-07-16 | 中兴通讯股份有限公司 | Data protection transmission method of P2P network |
EP2006787A2 (en) * | 2006-03-29 | 2008-12-24 | Huawei Technologies Co Ltd | Method, system, subscriber equipment and multi-media server for digital copyright protection |
CN100481933C (en) * | 2006-12-20 | 2009-04-22 | 四川长虹电器股份有限公司 | A method for encryption of MP4 multi-media data content |
EP2528004A1 (en) * | 2011-05-25 | 2012-11-28 | ConDel International Technologies Inc. | Secure removable media and method for managing the same |
CN103491384A (en) * | 2013-09-09 | 2014-01-01 | 天脉聚源(北京)传媒科技有限公司 | Encrypting method and device of video and decrypting method and device of video |
CN105072488A (en) * | 2015-07-20 | 2015-11-18 | 深圳Tcl数字技术有限公司 | Streaming media decryption method and device |
CN106156545A (en) * | 2015-04-28 | 2016-11-23 | 阿里巴巴集团控股有限公司 | Realize the method for digital copyright management, client and system |
CN106331752A (en) * | 2016-08-31 | 2017-01-11 | 杭州当虹科技有限公司 | Streaming media video file protection method |
CN108337528A (en) * | 2018-01-17 | 2018-07-27 | 浙江大华技术股份有限公司 | A kind of method and apparatus of preview video |
CN108882029A (en) * | 2018-06-29 | 2018-11-23 | 银河威尔科技(北京)有限公司 | A kind of decryption of video method and apparatus |
-
2018
- 2018-12-28 CN CN201811628693.3A patent/CN109660866A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2006787A2 (en) * | 2006-03-29 | 2008-12-24 | Huawei Technologies Co Ltd | Method, system, subscriber equipment and multi-media server for digital copyright protection |
CN100481933C (en) * | 2006-12-20 | 2009-04-22 | 四川长虹电器股份有限公司 | A method for encryption of MP4 multi-media data content |
CN101222509A (en) * | 2008-01-22 | 2008-07-16 | 中兴通讯股份有限公司 | Data protection transmission method of P2P network |
EP2528004A1 (en) * | 2011-05-25 | 2012-11-28 | ConDel International Technologies Inc. | Secure removable media and method for managing the same |
CN103491384A (en) * | 2013-09-09 | 2014-01-01 | 天脉聚源(北京)传媒科技有限公司 | Encrypting method and device of video and decrypting method and device of video |
CN106156545A (en) * | 2015-04-28 | 2016-11-23 | 阿里巴巴集团控股有限公司 | Realize the method for digital copyright management, client and system |
CN105072488A (en) * | 2015-07-20 | 2015-11-18 | 深圳Tcl数字技术有限公司 | Streaming media decryption method and device |
CN106331752A (en) * | 2016-08-31 | 2017-01-11 | 杭州当虹科技有限公司 | Streaming media video file protection method |
CN108337528A (en) * | 2018-01-17 | 2018-07-27 | 浙江大华技术股份有限公司 | A kind of method and apparatus of preview video |
CN108882029A (en) * | 2018-06-29 | 2018-11-23 | 银河威尔科技(北京)有限公司 | A kind of decryption of video method and apparatus |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111787399A (en) * | 2020-07-23 | 2020-10-16 | 成都云盯科技有限公司 | Video playing method, device and system |
CN112822518A (en) * | 2021-04-19 | 2021-05-18 | 浙江华创视讯科技有限公司 | Video playing method, device, system, electronic equipment and storage medium |
CN114007106A (en) * | 2021-12-15 | 2022-02-01 | 创盛视联数码科技(北京)有限公司 | H5 video encryption playing method |
CN114007106B (en) * | 2021-12-15 | 2023-11-10 | 创盛视联数码科技(北京)有限公司 | H5 video encryption playing method |
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Application publication date: 20190419 |