CN106534894A - Encrypted video distribution method and system - Google Patents
Encrypted video distribution method and system Download PDFInfo
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- CN106534894A CN106534894A CN201610929548.3A CN201610929548A CN106534894A CN 106534894 A CN106534894 A CN 106534894A CN 201610929548 A CN201610929548 A CN 201610929548A CN 106534894 A CN106534894 A CN 106534894A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000013075 data extraction Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 238000013478 data encryption standard Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 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
- H04N21/23—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
-
- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention discloses an encrypted video distribution method and system. The method comprises the steps that a distribution server divides a video file into a metadata file and an original data file in advance, and the original data file is encrypted to generate an encrypted original file; the distribution server acquires a device ID of a play device and a user ID of the play device, encrypts the metadata file, an encryption algorithm secret key, the user ID and the device ID and then generates an encryption meta file; the play device acquires the encryption meta file and the encryption original file, decrypts the encryption meta file, and acquires the user ID, the device ID, the encryption algorithm secret key and the metadata file; and if it is detected that the acquired device ID is identical to the ID of the device, the encryption original file is decrypted, and the decrypted video is played. Through adoption of the encrypted video distribution method and system, image clarity of the video that the user watches is ensured, further, target videos are played, the user is prevented from spreading the video randomly, and the confidentiality degree of the video is improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of encrypted video distribution method and system.
Background technology
Internet era, people are selected at online viewing video except watching TV programme on TV, more.
Video-see mode main at present has：Two kinds of locally downloading viewing and online viewing.Both modes are for video distribution
For side, problem below is there is：
1st, video content is once downloaded to locally, there is the possibility arbitrarily propagated, and is unfavorable for the protection of video copy.
If the 2, video is online viewing, due to limited in bandwidth, image quality can not show a candle to locally downloading, Consumer's Experience
Can be excessively poor, affect video watches effect.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of the deficiencies in the prior art, present invention aim at providing a kind of encrypted video distribution method and system.
Technical scheme is as follows：
A kind of encrypted video distribution method, wherein, method includes：
Meta-data extraction in video file is generated meta data file by A, Distributor in advance, and video file is removed metadata
Video original data afterwards generates raw data file, and raw data file generates the original text of encryption after AES encryption
Part；
B, Distributor obtain the device id and the corresponding ID of playback equipment of playback equipment, by meta data file, add
Close algorithm secret key, ID and device id generate encryption meta file after being encrypted according to client public key；
C, playback equipment obtain encryption meta file and encryption original document from Distributor, and using private key for user to encrypted element
Part is decrypted, and obtains ID, device id, encryption algorithm key and meta data file；
Acquired device id and the device id of itself are contrasted by D, playback equipment, if acquired device id is set with broadcasting
Standby device id is identical, then be decrypted to encrypting original document, and obtained according to acquired meta data file and decryption
Raw data file carries out video playback.
Described encrypted video distribution method, wherein, the A is specifically included：
A1, Distributor obtain the feature of video file, extract the metadata in video file, by the metadata for extracting
File generated meta data file, video file is removed the video original file data after metadata and generates raw data file；
A2, by raw data file by DES keys or AES key encryption after generate encryption original document.
Described encrypted video distribution method, wherein, the B is specifically included：
B1, playback equipment obtain the unique ID of the corresponding user of playback equipment and private key for user, the device id of playback equipment
And store；
B2, Distributor obtain the device id of the ID that stores and playback equipment in playback equipment, by meta data file,
DES keys or AES key, ID, device id generate encryption meta file after being encrypted according to client public key.
Described encrypted video distribution method, wherein, the C is specifically included：
C1, playback equipment download encryption meta file and encryption original document from Distributor by network；
In C2, playback equipment, specific player is decrypted to encrypting meta file according to the DES keys or AES key of user,
Device id, ID, encryption algorithm key and meta data file are obtained after decryption.
Described encrypted video distribution method, wherein, the D is specifically included：
D1, the specific player of playback equipment obtain the device id of the acquisition after decryption and carry out with the device id of itself it is right
Than judging whether identical；
If D2, identical, specific player is configured according to the meta data file obtained after decryption, specific player
It is decrypted to encrypting original document according to DES keys or AES key, plays the video original data after decryption.
A kind of encrypted video dissemination system, wherein, system includes：
Meta-data extraction in video file is generated meta data file for Distributor, will be regarded by the first encrypting module in advance
The video original data after metadata is removed in frequency file and generates raw data file, raw data file is added by AES
Encryption original document is generated after close；
Second encrypting module, obtains the device id and the corresponding ID of playback equipment of playback equipment for Distributor,
Encryption meta file is generated after meta data file, encryption algorithm key, ID and device id are encrypted according to client public key；
Deciphering module, obtains encryption meta file and encryption original document from Distributor for playback equipment, and utilizes user
Private key pair encryption element is decrypted, and obtains ID, device id, encryption algorithm key and meta data file；
Contrast and playing module, the device id for playback equipment by acquired device id with itself is contrasted, if being obtained
The device id for taking is identical with the device id of playback equipment, then be decrypted to encrypting original document, and according to acquired first number
The raw data file obtained according to file and decryption carries out video playback.
Described encrypted video dissemination system, wherein, first encrypting module is specifically included：
Data extracting unit, obtains the feature of video file for Distributor, extracts the metadata in video file, will carry
The meta data file for taking out generates meta data file, video file is removed the video original file data after metadata and is generated
Raw data file；
First ciphering unit, for raw data file is generated the original text of encryption after DES keys or AES key encryption
Part.
Described encrypted video dissemination system, wherein, second encrypting module is specifically included:
Memory element, obtains the unique ID of the corresponding user of playback equipment for playback equipment and private key for user, broadcasting sets
Standby device id is simultaneously stored；
Second ciphering unit, obtains the device id of the ID and playback equipment stored in playback equipment for Distributor,
Encrypted element text is generated after meta data file, DES keys or AES key, ID, device id are encrypted according to client public key
Part.
Described encrypted video dissemination system, wherein, the deciphering module is specifically included：
Download unit, from Distributor downloads encryption meta file and encryption original document by network for playback equipment；
First decryption unit, for specific player in playback equipment according to the DES keys or AES key of user to encrypted element
File is decrypted, and device id, ID, encryption algorithm key and meta data file are obtained after decryption.
Described encrypted video dissemination system, wherein, the contrast is specifically included with playing module：
Comparison unit, the device id for the acquisition after the specific player acquisition decryption of playback equipment the equipment with itself
ID is contrasted, and is judged whether identical；
Configuration and broadcast unit, if for the device id identical with the device id of itself for obtaining, according to what is obtained after decryption
Meta data file is configured to specific player, and specific player is according to DES keys or AES key to encrypting original text
Part is decrypted, and plays the video original data after decryption.
The invention provides a kind of encrypted video distribution method and system, the present invention can be in the picture for ensureing user's viewing video
The specificity of video playback while matter definition, is realized, the random propagation of user is prevented, is improve the privacy degrees of video.
Description of the drawings
Fig. 1 is a kind of flow chart of the preferred embodiment of encrypted video distribution method of the present invention.
Fig. 2 is a kind of extraction process of the video file of the concrete application embodiment of encrypted video distribution method of the present invention
Schematic diagram.
Fig. 3 is a kind of generation of the encryption meta file of the concrete application embodiment of encrypted video distribution method of the present invention
Journey schematic diagram.
Fig. 4 is a kind of generation of the decryption meta file of the concrete application embodiment of encrypted video distribution method of the present invention
Journey schematic diagram.
Fig. 5 is a kind of functional schematic block diagram of the preferred embodiment of encrypted video dissemination system of the present invention.
Specific embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The invention provides a kind of flow chart of the preferred embodiment of encrypted video distribution method, as shown in figure 1, wherein,
Method includes：
Meta-data extraction in video file is generated meta data file by step S100, Distributor in advance, and video file is gone
Except the video original data after metadata generates raw data file, raw data file is generated after AES encryption and is added
Close original document；
Step S200, Distributor obtain the device id and the corresponding ID of playback equipment of playback equipment, by metadata
File, encryption algorithm key, ID and device id generate encryption meta file after being encrypted according to client public key；
Step S300, playback equipment obtain encryption meta file and encryption original document from Distributor, and utilize private key for user
Encryption element is decrypted, ID, device id, encryption algorithm key and meta data file is obtained；
Acquired device id and the device id of itself are contrasted by step S400, playback equipment, if acquired device id
It is identical with the device id of playback equipment, then it is decrypted to encrypting original document, and is conciliate according to acquired meta data file
The close raw data file for obtaining carries out video playback.
When being embodied as, according to the component characteristic of video file, by the metadata for extracting video file, unit will be got rid of
The video original data of data, carries out symmetric cryptography, and the video data file after encryption is placed on the server end of distributor, permits
Download in advance at family allowable.Even if user has downloaded this document, can not play.User is obtained by buying specific hardware device
Obtain unique ID and private key.Distributor by the meta data file of video file, the key of symmetric cryptography, according to ID and
Device id, is encrypted using the public key of user, is formed cryptograph files, is placed on server end.User is downloaded by hardware device
The cryptograph files, and the enciphered video data file downloaded using special player plays in advance, you can normally to watch
Video.Wherein hardware device includes but is not limited to desktop computer, notebook, PAD, mobile phone etc. and can watch the intelligence of video set
It is standby.
In further embodiment, step S100 is specifically included：
Step S101, Distributor obtain the feature of video file, extract the metadata in video file, by what is extracted
Meta data file generates meta data file, video file is removed the video original file data after metadata and generates initial data
File；
Step S102, by raw data file by DES keys or AES key encryption after generate encryption original document.
When being embodied as, as shown in Fig. 2 video distribution be Distributor according to the characteristics of video file, by video text
Metadata Extraction in part out, forms a new file and is designated as meta data file meta.data.These yuan of number will be removed again
According to video original data be saved as another file and be designated as raw data file video.data, video is only included in this file
The primary data information (pdi) of file, is carried out to raw data file video.data after DES or AES encryption, forms encrypted video text
Part encrypts original document encrypt.data, and this document allows user to download.Even if user has downloaded encryption original document
Encrypt.data, can not play.DES full name are Data Encryption Standard, i.e. data encryption standardss, are one
Plant the block algorithm using key encryption.Advanced Encryption Standard（English：Advanced Encryption Standard, abbreviation：
AES）, also known as Rijndael enciphered methods in cryptography, it is a kind of block encryption standard of Federal Government employing.It is concrete close
Key is prior art, and here is omitted.
In further embodiment, step S200 is specifically included：
Step S201, playback equipment obtain the unique ID of the corresponding user of playback equipment and private key for user, playback equipment
Device id is simultaneously stored；
ID and the device id of playback equipment that step S202, Distributor are stored in obtaining playback equipment, by metadata
File, DES keys or AES key, ID, device id generate encryption meta file after being encrypted according to client public key.
When being embodied as, user obtains an ID and a private key for user by buying specific hardware device.Should
Private key is stored in hardware device.As shown in figure 3, distributor is by meta data file meta.data, DES or AES key, according to
Unique ID and device id, form a new cryptograph files encryption meta file i.e. after being encrypted using the public key of user
Cryptograph files key.data.Specifically, cryptograph files key.data is relative with ID, hardware device and specific video file
Should, the cryptograph files that each user obtains are different.
In further embodiment, step S300 is specifically included：
Step S301, playback equipment download encryption meta file and encryption original document from Distributor by network；
In step S302, playback equipment, specific player is carried out to encrypting meta file according to the DES keys or AES key of user
Decryption, obtains device id, ID, encryption algorithm key and meta data file after decryption.
When being embodied as, as shown in figure 4, user is on specific hardware device, by way of network is downloaded, obtain close
File key.data.After user obtains cryptograph files key.data, need what is downloaded using special player plays
encrypt.data.When commencing play out, player can use the private key decryption key.data of user, therefrom obtain device id, use
Family ID and meta data file meta.data.
Wherein specific player generally is directed to the corresponding video player of Distributor, generally possesses video text
Part plays the player of copyright.If not specific player, other players also cannot normal play video.
In further embodiment, step S400 is specifically included：
Step S401, the specific player of playback equipment are obtained the device id of the acquisition after decryption and are entered with the device id of itself
Row contrast, judges whether identical；
If step S402, identical, specific player is configured according to the meta data file obtained after decryption, specifically
Player is decrypted to encrypting original document according to DES keys or AES key, plays the video original data after decryption.
When being embodied as, player obtains the device id of hardware device, and the device id obtained with decryption is compared, both
When identical, player just can be with normal work.Otherwise, player prompting user equipment is not unique, quits work.Player judges
After equipment is unique, the meta data file meta.data obtained using decryption is configured accordingly to player.Meanwhile, according to
DES or AES key that decryption is obtained, are decrypted to encrypted video file, obtain video original data.So, user can
Normally to watch video.In playing video file, it is literary that needs obtain key.data and encrypt.data to player simultaneously
Part.Private key of the player first according to user, decodes key.data files, therefrom obtains the corresponding metadata of video file
Meta.data, and corresponding audio/video decoder is configured, then corresponding media original number is taken out from encrypt.data
According to then, calling corresponding audio/video decoder to carry out decoding output so that user can normally watch video.Ciphertext text
Part is used on other hardware devices, cannot also play corresponding video.
Present invention also offers a kind of functional schematic block diagram of the preferred embodiment of encrypted video dissemination system, such as Fig. 5 institutes
Show, system includes：
Meta-data extraction in video file is generated meta data file for Distributor by the first encrypting module 100 in advance, will
Video file removes the video original data generation raw data file after metadata, and raw data file is added by AES
Encryption original document is generated after close；Specifically as described in embodiment of the method.
Second encrypting module 200, the device id and playback equipment for obtaining playback equipment for Distributor are corresponding
ID, generates encryption after meta data file, encryption algorithm key, ID and device id are encrypted according to client public key
Meta file；Specifically as described in embodiment of the method.
Deciphering module 300, obtains encryption meta file and encryption original document, and profit from Distributor for playback equipment
Encryption element is decrypted with private key for user, obtains ID, device id, encryption algorithm key and meta data file；Specifically
As described in embodiment of the method.
Contrast and playing module 400, the device id for playback equipment by acquired device id with itself are contrasted,
If acquired device id is identical with the device id of playback equipment, it is decrypted to encrypting original document, and according to acquired
Meta data file and the raw data file that obtains of decryption carry out video playback；Specifically as described in embodiment of the method.
Described encrypted video dissemination system, wherein, first encrypting module is specifically included：
Data extracting unit, obtains the feature of video file for Distributor, extracts the metadata in video file, will carry
The meta data file for taking out generates meta data file, video file is removed the video original file data after metadata and is generated
Raw data file；Specifically as described in embodiment of the method.
First ciphering unit, it is original for raw data file is generated encryption after DES keys or AES key encryption
File；Specifically as described in embodiment of the method.
Described encrypted video dissemination system, wherein, second encrypting module is specifically included:
Memory element, obtains the unique ID of the corresponding user of playback equipment for playback equipment and private key for user, broadcasting sets
Standby device id is simultaneously stored；Specifically as described in embodiment of the method.
Second ciphering unit, obtains the equipment of the ID and playback equipment stored in playback equipment for Distributor
ID, generates encryption after meta data file, DES keys or AES key, ID, device id are encrypted according to client public key
Meta file；Specifically as described in embodiment of the method.
Described encrypted video dissemination system, wherein, the deciphering module is specifically included：
Download unit, from Distributor downloads encryption meta file and encryption original document by network for playback equipment；
Specifically as described in embodiment of the method.
First decryption unit, for specific player in playback equipment according to the DES keys or AES key of user to plus
Close meta file is decrypted, and device id, ID, encryption algorithm key and meta data file are obtained after decryption；Concrete such as method
Described in embodiment.
Described encrypted video dissemination system, wherein, the contrast is specifically included with playing module：
Comparison unit, the device id for the acquisition after the specific player acquisition decryption of playback equipment the equipment with itself
ID is contrasted, and is judged whether identical；Specifically as described in embodiment of the method.
Configuration and broadcast unit, if for the device id identical with the device id of itself for obtaining, according to obtaining after decryption
The meta data file for taking is configured to specific player, and specific player is former to encryption according to DES keys or AES key
Beginning file is decrypted, and plays the video original number after decryption；Specifically as described in embodiment of the method.
In sum, the invention provides a kind of encrypted video distribution method and system, method includes：Distributor is pre-
Video file is divided into into meta data file and raw data file first, encryption original document after raw data file encryption, is generated；
Distributor obtains the device id and the corresponding ID of playback equipment of playback equipment, will be meta data file, AES close
Encryption meta file is generated after the encryption of key, ID and device id；Playback equipment obtains encryption meta file and encryption original document, right
Encryption meta file is decrypted, and obtains ID, device id, encryption algorithm key and meta data file；If detecting acquisition
Device id is identical with the device id of itself, then to encrypting original document decryption, play the video after decryption.The present invention can ensure
While user watches the image quality definition of video, the specificity of video playback is realized, the random propagation of user is prevented, is improve
The privacy degrees of video.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or be converted, all these modifications and variations should all belong to the guarantor of claims of the present invention
Shield scope.
Claims (10)
1. a kind of encrypted video distribution method, it is characterised in that methods described includes：
Meta-data extraction in video file is generated meta data file by A, Distributor in advance, and video file is removed metadata
Video original data afterwards generates raw data file, and raw data file generates the original text of encryption after AES encryption
Part；
B, Distributor obtain the device id and the corresponding ID of playback equipment of playback equipment, by meta data file, add
Close algorithm secret key, ID and device id generate encryption meta file after being encrypted according to client public key；
C, playback equipment obtain encryption meta file and encryption original document from Distributor, and using private key for user to encrypted element
Part is decrypted, and obtains ID, device id, encryption algorithm key and meta data file；
Acquired device id and the device id of itself are contrasted by D, playback equipment, if acquired device id is set with broadcasting
Standby device id is identical, then be decrypted to encrypting original document, and obtained according to acquired meta data file and decryption
Raw data file carries out video playback.
2. encrypted video distribution method according to claim 1, it is characterised in that the A is specifically included：
A1, Distributor obtain the feature of video file, extract the metadata in video file, by the metadata for extracting
File generated meta data file, video file is removed the video original file data after metadata and generates raw data file；
A2, by raw data file by DES keys or AES key encryption after generate encryption original document.
3. encrypted video distribution method according to claim 2, it is characterised in that the B is specifically included：
B1, playback equipment obtain the unique ID of the corresponding user of playback equipment and private key for user, the device id of playback equipment
And store；
B2, Distributor obtain the device id of the ID that stores and playback equipment in playback equipment, by meta data file,
DES keys or AES key, ID, device id generate encryption meta file after being encrypted according to client public key.
4. encrypted video distribution method according to claim 3, it is characterised in that the C is specifically included：
Playback equipment downloads encryption meta file and encryption original document from Distributor by network；
In C2, playback equipment, specific player is decrypted to encrypting meta file according to the DES keys or AES key of user,
Device id, ID, encryption algorithm key and meta data file are obtained after decryption.
5. encrypted video distribution method according to claim 4, it is characterised in that the D is specifically included：
D1, the specific player of playback equipment obtain the device id of the acquisition after decryption and carry out with the device id of itself it is right
Than judging whether identical；
If D2, identical, specific player is configured according to the meta data file obtained after decryption, specific player
It is decrypted to encrypting original document according to DES keys or AES key, plays the video original data after decryption.
6. a kind of encrypted video dissemination system, it is characterised in that system includes：
Meta-data extraction in video file is generated meta data file for Distributor, will be regarded by the first encrypting module in advance
The video original data after metadata is removed in frequency file and generates raw data file, raw data file is added by AES
Encryption original document is generated after close；
Second encrypting module, obtains the device id and the corresponding ID of playback equipment of playback equipment for Distributor,
Encryption meta file is generated after meta data file, encryption algorithm key, ID and device id are encrypted according to client public key；
Deciphering module, obtains encryption meta file and encryption original document from Distributor for playback equipment, and utilizes user
Private key pair encryption element is decrypted, and obtains ID, device id, encryption algorithm key and meta data file；
Contrast and playing module, the device id for playback equipment by acquired device id with itself is contrasted, if being obtained
The device id for taking is identical with the device id of playback equipment, then be decrypted to encrypting original document, and according to acquired first number
The raw data file obtained according to file and decryption carries out video playback.
7. encrypted video dissemination system according to claim 6, it is characterised in that first encrypting module is specifically wrapped
Include：
Data extracting unit, obtains the feature of video file for Distributor, extracts the metadata in video file, will carry
The meta data file for taking out generates meta data file, video file is removed the video original file data after metadata and is generated
Raw data file；
First ciphering unit, for raw data file is generated the original text of encryption after DES keys or AES key encryption
Part.
8. encrypted video dissemination system according to claim 7, it is characterised in that second encrypting module is specifically wrapped
Include:
Memory element, obtains the unique ID of the corresponding user of playback equipment for playback equipment and private key for user, broadcasting sets
Standby device id is simultaneously stored；
Second ciphering unit, obtains the device id of the ID and playback equipment stored in playback equipment for Distributor,
Encrypted element text is generated after meta data file, DES keys or AES key, ID, device id are encrypted according to client public key
Part.
9. encrypted video dissemination system according to claim 8, it is characterised in that the deciphering module is specifically included：
Download unit, from Distributor downloads encryption meta file and encryption original document by network for playback equipment；
First decryption unit, for specific player in playback equipment according to the DES keys or AES key of user to encrypted element
File is decrypted, and device id, ID, encryption algorithm key and meta data file are obtained after decryption.
10. encrypted video dissemination system according to claim 9, it is characterised in that the contrast is concrete with playing module
Including：
Comparison unit, the device id for the acquisition after the specific player acquisition decryption of playback equipment the equipment with itself
ID is contrasted, and is judged whether identical；
Configuration and broadcast unit, if for the device id identical with the device id of itself for obtaining, according to what is obtained after decryption
Meta data file is configured to specific player, and specific player is according to DES keys or AES key to encrypting original text
Part is decrypted, and plays the video original data after decryption.
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|---|---|---|---|
| CN201610929548.3A CN106534894A (en) | 2016-10-31 | 2016-10-31 | Encrypted video distribution method and system |
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|---|---|---|---|
| CN201610929548.3A CN106534894A (en) | 2016-10-31 | 2016-10-31 | Encrypted video distribution method and system |
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| CN106534894A true CN106534894A (en) | 2017-03-22 |
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| CN201610929548.3A Pending CN106534894A (en) | 2016-10-31 | 2016-10-31 | Encrypted video distribution method and system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540481A (en) * | 2018-04-20 | 2018-09-14 | 广州市千钧网络科技有限公司 | A kind of online playback method and device of audio file |
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| 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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