CN108989886A - A kind of method and system playing encrypted video - Google Patents
A kind of method and system playing encrypted video Download PDFInfo
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- CN108989886A CN108989886A CN201810890388.5A CN201810890388A CN108989886A CN 108989886 A CN108989886 A CN 108989886A CN 201810890388 A CN201810890388 A CN 201810890388A CN 108989886 A CN108989886 A CN 108989886A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004590 computer program Methods 0.000 claims description 14
- 238000013507 mapping Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 5
- 238000004422 calculation algorithm Methods 0.000 description 6
- 238000013478 data encryption standard Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 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
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
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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]
- H04N21/40—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
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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
- H04N21/25—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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (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)
- Storage Device Security (AREA)
Abstract
The invention discloses a kind of method and system for playing encrypted video, network service end obtains the encrypted video solicited message that client is sent, and reads encrypted video content information；Network service end decrypts encrypted video content information, obtains decrypted video content information, decrypted video content information is sent to client and is played out；The present invention is carried out by the way that the process of decryption is placed on network server, video after decryption is sent to the player in client to play out, the decryption link of video is executed from the player interior shifting to network communication level of the prior art, comparatively, specific player is not depended on, original player still can be used, and no replacement is required or develops new player again；Since decryption is to carry out agency's execution by network server, it is easy extension, it can better Custom Encryption scheme；Meanwhile deciphering module and video playback module decouple, it is easier to software maintenance.
Description
Technical field
The present invention relates to field of software development, in particular to a kind of method and system for playing encrypted video.
Background technique
In view of the copyright and safety issue of video, video resource can be all encrypted.Current video encryption is calculated
Method is more mature, but player realization is depended in the decryption broadcasting of video unduly, and needs to guarantee the safety of decruption key, therefore
There are the spaces of promotion.
From the point of view of broadly, video classification can be divided into local video and online real-time video；For local video, read
Local video file content passes to player plays after decryption；For Online Video, player is read in Online Video
It decrypts and plays after appearance.
However, above-mentioned decryption of video process has the following disadvantages
1. be nearly all at present using mature third party's player, but most players in playing process only
The video content that will acquire directly in bottom layer treatment and exports, and there is no exposure relevant interfaces to be handled to developer, therefore nothing
Method is from this link decrypted video content；
2. if necessary to carrying out decryption of video inside player, developer oneself customized development player is needed, and
Decryption processing is added in appropriate link, and higher cost is also error-prone；
3. if the decryption scheme inside player also needs accordingly to adjust, unfavorable have changed corresponding video-encryption scheme
In maintenance, development cost is further increased.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of method and system for playing encrypted video, it is easy to extend
And maintenance.
In order to solve the above-mentioned technical problem, a kind of technical solution that the present invention uses are as follows:
A method of encrypted video is played, comprising steps of
S1, network service end obtain the encrypted video solicited message that client is sent, and read encrypted video content information；
S2, network service end decrypt the encrypted video content information, obtain decrypted video content information, by described in
Decrypted video content information is sent to client and plays out.
In order to solve the above-mentioned technical problem, the another technical solution that the present invention uses are as follows:
A kind of system playing encrypted video, including network service end, the network service end include first memory, the
One processor and storage on the first memory and the first computer program that can be run on first processor, at described first
Reason device performs the steps of when executing first computer program
S1, the encrypted video solicited message that client is sent is obtained, reads encrypted video content information；
S2, the decryption encrypted video content information, obtain decrypted video content information, have decrypted described in video
Appearance information is sent to client and plays out.
The beneficial effects of the present invention are: it is carried out by the way that the process of decryption is placed on network server, after decryption
Video is sent to the player in client and plays out, i.e., turns the decryption link of video inside the player of the prior art
It moves on in network communication level and executes, comparatively, the present invention does not depend on specific player, and original player still can be with
It uses, no replacement is required or develops new player again；Since decryption is to carry out agency's execution by network server, it is easy to expand
Exhibition, can better Custom Encryption scheme；Meanwhile deciphering module and video playback module decouple, it is easier to software maintenance.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the method for broadcasting encrypted video of the embodiment of the present invention；
Fig. 2 is the flow diagram of the prior art；
Fig. 3 is that a kind of method of broadcasting encrypted video of the embodiment of the present invention is carried out with client and Video service end
Interactive flow diagram；
Fig. 4 is a kind of structural schematic diagram of the system of broadcasting encrypted video of the embodiment of the present invention.
Label declaration:
1, a kind of system for playing encrypted video；2, network service end；3, first processor；4, first memory；5, industry
Business server-side；6, second processor；7, second memory.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: being carried out by the way that the process of decryption is placed on network server, after decryption
Video be sent to the player in client and play out.
Before this, technical solution to facilitate the understanding of the present invention, for english abbreviation involved in the present invention, equipment
Etc. being described as follows:
(1), ID: being in the present invention the abbreviation for being English identity, it is the meaning of identity number.
(2), MD5: in the present invention to be English Message-Digest Algorithm MD5, mean that eap-message digest is calculated
Method, it is a kind of Cryptographic Hash Function being widely used.
(3), video protocols: HTTP is the abbreviation of HyperText Transfer Protocol, means that Hyper text transfer is assisted
View；RTMP is the abbreviation of Real Time Messaging Protocol, means real-time messages transport protocol；RTSP is Real
The abbreviation of Time Streaming Protocol, means real time streaming transport protocol.
(4), Encryption Algorithm: AES is the abbreviation of Advanced Encryption Standard, means superencipherment mark
It is quasi-；AES-128 is one of encryption method of AES, and block length is fixed as 128, and key length is also 128；DES is
The abbreviation of Data Encryption Standard, means data encryption standards.
(5), client: Android is the operating system of a kind of freedom based on Linux and open source code, by
Google company and open mobile phone alliance leader and exploitation, the country are commonly referred to as Android；IOS is the shifting developed by Apple Inc.
Dynamic operating system；PC is the abbreviation of personal computer, means personal computer.
(6), video format: mp3 is the abbreviation of Moving Picture Experts Group Audio Layer III,
Mean dynamic image expert's compression standard audio level, it is a kind of audio coding mode；Mp4 is Moving Picture
The abbreviation of Experts Group 4, means dynamic image expert group, it is a set of compressed encoding for audio, video information
Standard.
Fig. 1 to Fig. 3 is please referred to, a method of encrypted video is played, comprising steps of
S1, network service end obtain the encrypted video solicited message that client is sent, and read encrypted video content information；
S2, network service end decrypt the encrypted video content information, obtain decrypted video content information, by described in
Decrypted video content information is sent to client and plays out.
As can be seen from the above description, the beneficial effects of the present invention are: by the way that the process of decryption is placed on network server
It carries out, the video after decryption is sent to the player in client and is played out, i.e., by the decryption link of video from existing skill
It is executed on the player interior shifting to network communication level of art, comparatively, the present invention does not depend on specific player, original
Player still can be used, no replacement is required or develops new player again；Since decryption is carried out by network server
Agency executes, and is easy extension, can better Custom Encryption scheme；Meanwhile deciphering module and video playback module decouple, more
It is easy to software maintenance.
Further, the step S1 specifically:
Network service end obtains the encrypted video solicited message that client is sent, and judges the video class of the encrypted video of request
Not whether not to be local broadcasting, if so, reading encrypted video content information from local file content, otherwise regards the encryption
Frequency solicited message is sent to Video service end, receives the encrypted video content information that the Video service end returns.
Seen from the above description, by judging video classification, to carry out obtaining for encrypted video respectively according to video classification
It takes.
Further, the step S2 specifically:
S2.1, network service end obtain the video ID of the encrypted video content information, send the signature including video ID
Information request information is to business service end；
S2.2, business service end receive signing messages solicited message, are generated according to the video ID and return to signing messages
To network service end；
S2.3, network service end receive the signing messages that business service end is sent, and sending includes video ID and A.L.S.
The video cipher key request information of breath is to business service end；
S2.4, business service terminate rating frequency cipher key request information, whether consistent verify the signing messages, if unanimously,
Then return encrypted video key to network service end；
S2.5, network service end are decrypted encrypted video key using the signing messages as key, depending on
Frequent key is decrypted according to encrypted video content information described in the video key pair, obtains decrypted video content information,
The information of decrypted video content is sent to client to play out.
Seen from the above description, the safety to guarantee video key is verified by setting signing messages.
Further, step S2.2 specifically:
Business service end receives signing messages solicited message, after the video ID and signature timestamp are spliced into character string
Make MD5 mapping, to obtain signing messages, returns to the signing messages to network service end.
Seen from the above description, a kind of generating mode of signing messages is provided, is verified in order to subsequent.
Further, the video cipher key request information in the step S2.3 further includes signature timestamp；
The step S2.4 specifically: business service terminates rating frequency cipher key request information, and verifying the signing messages is
It is no consistent, if unanimously, obtaining current time, judge whether the current time and the time difference for timestamp of signing are more than default
Time interval, if not exceeded, then returning, encrypted video key is to network service end, if signing messages verifying is inconsistent
Or the time difference is more than prefixed time interval, then returns and play ending message to network service end.
Seen from the above description, guarantee the safety of video key by setting validity period.
As shown in figure 4, a kind of system for playing encrypted video, including network service end, the network service end includes the
One memory, first processor and storage are on the first memory and the first computer journey that can run on first processor
Sequence, which is characterized in that the first processor performs the steps of when executing first computer program
S1, the encrypted video solicited message that client is sent is obtained, reads encrypted video content information；
S2, the decryption encrypted video content information, obtain decrypted video content information, have decrypted described in video
Appearance information is sent to client and plays out.
As can be seen from the above description, the beneficial effects of the present invention are: by the way that the process of decryption is placed on network server
It carries out, the video after decryption is sent to the player in client and is played out, i.e., by the decryption link of video from existing skill
It is executed on the player interior shifting to network communication level of art, comparatively, the present invention does not depend on specific player, original
Player still can be used, no replacement is required or develops new player again；Since decryption is carried out by network server
Agency executes, and is easy extension, can better Custom Encryption scheme；Meanwhile deciphering module and video playback module decouple, more
It is easy to software maintenance.
Further, the step S1 specifically:
The encrypted video solicited message that client is sent is obtained, judges whether the video classification of the encrypted video of request is this
Ground plays, if so, encrypted video content information is read from local file content, otherwise by the encrypted video solicited message
It is sent to Video service end, receives the encrypted video content information that the Video service end returns.
Seen from the above description, by judging video classification, to carry out obtaining for encrypted video respectively according to video classification
It takes.
It further, further include business service end, the business service end includes second memory, second processor and deposits
The second computer program that can be run on second memory and in second processor is stored up,
The step S2 specifically:
S2.1, the video ID for obtaining the encrypted video content information send the signing messages including video ID and request letter
It ceases to business service end；
S2.3, the signing messages that business service end is sent is received, it is close sends the video including video ID and signing messages
Key solicited message is to business service end；
S2.5, the encrypted video key that business service end is sent is received, using the signing messages as key, to having added
Close video key is decrypted, and obtains video key, is solved according to encrypted video content information described in the video key pair
It is close, decrypted video content information is obtained, the information of decrypted video content is sent to client and is played out；
Before the step S2.3, the second processor performs the steps of when executing the second computer program
S2.2, the signing messages solicited message that network service end is sent is received, is generated according to the video ID and returns to label
Name information is to network service end；
Before the step S2.5, the second processor performs the steps of when executing the second computer program
S2.4, the video cipher key request information that network service end is sent is received, whether consistent verifies the signing messages, if
Unanimously, then return encrypted video key to network service end.
Seen from the above description, the safety to guarantee video key is verified by setting signing messages.
Further, step S2.2 specifically:
Signing messages solicited message is received, the video ID and signature timestamp are spliced into after character string and make MD5 mapping,
To obtain signing messages, the signing messages is returned to network service end.
Seen from the above description, a kind of generating mode of signing messages is provided, is verified in order to subsequent.
Further, the video cipher key request information in the step S2.3 further includes signature timestamp；
The step S2.4 specifically: receive the video cipher key request information that network service end is sent, verify the signature
Whether information is consistent, if unanimously, obtaining current time, judges whether the current time and the time difference for timestamp of signing surpass
Prefixed time interval is crossed, encrypted video key is to network service end if not exceeded, then returning, if the signing messages is verified
The inconsistent or described time difference is more than prefixed time interval, then returns and play ending message to network service end.
Seen from the above description, guarantee the safety of video key by setting validity period.
Please refer to Fig. 1 to Fig. 3, the embodiment of the present invention one are as follows:
A method of encrypted video is played, comprising steps of
S1, network service end obtain the encrypted video solicited message that client is sent, and judge the view of the encrypted video of request
Whether frequency classification is local broadcasting, if so, reading encrypted video content information from local file content, is otherwise regarded encryption
Frequency solicited message is sent to Video service end, receives the encrypted video content information that Video service end returns；
S2.1, network service end obtain the video ID of encrypted video content information, send the signing messages including video ID
Solicited message is to business service end；
S2.2, business service end receive signing messages solicited message, and video ID and signature timestamp are spliced into character string
After make MD5 mapping, to obtain signing messages, return to signing messages to network service end；
S2.3, network service end receive the signing messages that business service end is sent, and sending includes video ID, signature timestamp
And the video cipher key request information of signing messages is to business service end；
S2.4, business service terminate rating frequency cipher key request information, and whether verifying signing messages is consistent, if unanimously, obtaining
Current time is taken, judges whether the time difference of current time and timestamp of signing is more than prefixed time interval, if not exceeded, then returning
Return that encrypted video key is to network service end, if it is more than between preset time that signing messages, which verifies the inconsistent or time difference,
Every then returning and play ending message to network service end；
S2.5, network service end are decrypted encrypted video key, it is close to be obtained video using signing messages as key
Key is decrypted according to video key pair encryption video content information, obtains decrypted video content information, will decrypt video
Content information is sent to client and plays out.
Referring to figure 4., the embodiment of the present invention two are as follows:
A kind of system 1 playing encrypted video, including network service end 2 and business service end 5, network service end 2 wrap
It includes first memory 4, first processor 3 and is stored in the first meter that can be run on first memory 4 and on first processor 3
Calculation machine program, first processor 3 realize the step S1, step S2.1, step of above-described embodiment one when executing the first computer program
Rapid S2.3 and step S2.5；Business service end 5 is including second memory 7, second processor 6 and is stored in second memory 7
Second computer program that is upper and can running in second processor 6, second processor 6 are realized when executing second computer program
The step S2.2 and step S2.4 of above-described embodiment one.
For the present embodiment, business side is according to video playing demand, toward the necessary ginseng of player transmitting in client
Number video ID and other related play parameter；If it is local offline broadcasting, business side specifies Encryption Algorithm from Video service end
Encrypted video is downloaded to local, transmits the parameters such as local resource address and Encryption Algorithm toward player；It is played if it is online, it is past
Player transmits the parameters such as online video address and Encryption Algorithm；Player in client is corresponding according to video protocols starting
Agency service monitors corresponding playing request, after listening to the playing request of user, generates and sends encrypted video solicited message
To network service end 2；The step in above-described embodiment one is executed with network service end 2 and business service end 5；When network takes
Decrypted video content information is sent to client by business end 2, is played out by the player in client.
Wherein, start corresponding agency service according to video protocols to be explained as follows: video protocols include HTTP, RTMP,
RTSP etc., different agreements carry out agency service by different network servers, for example mp3 video, video protocols are
HTTP then needs to start and the network server of HTTP is supported to carry out agency service.
Wherein, the Encryption Algorithm of business side can be AES, AES-128, DES etc..
Wherein, the information of decrypted video content after decryption is stored in memory, is then passed to player plays processing,
Need to re-request new section and decryption if having different playing interval demands (as user drags video).
In conclusion a kind of method and system for playing encrypted video provided by the invention, by the way that the process of decryption is put
It sets and is carried out in network server, the video after decryption is sent to the player in client and is played out, i.e., by the solution of video
Close link is executed from the player interior shifting to network communication level of the prior art, and comparatively, the present invention does not depend on tool
The player of body, original player still can be used, and no replacement is required or develops new player again；Due to decryption be by
Network server carries out agency's execution, is easy extension, can better Custom Encryption scheme；Meanwhile deciphering module and video
Playing module decoupling, it is easier to software maintenance；Guarantee the safety of video key by signing messages verifying and validity period setting；
Meanwhile the present invention can be applicable in such as a variety of clients of Android device, ios device, PC, the various videos format such as mp3, mp4
And the multiple networks server such as HTTP, RTMP, RTSP.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of method for playing encrypted video, which is characterized in that comprising steps of
S1, network service end obtain the encrypted video solicited message that client is sent, and read encrypted video content information；
S2, network service end decrypt the encrypted video content information, obtain decrypted video content information, have decrypted described
Video content information is sent to client and plays out.
2. a kind of method for playing encrypted video according to claim 1, which is characterized in that the step S1 specifically:
Network service end obtains the encrypted video solicited message that client is sent, and judges that the video classification of the encrypted video of request is
It is no to be played to be local, if so, reading encrypted video content information from local file content, otherwise the encrypted video is asked
It asks information to be sent to Video service end, receives the encrypted video content information that the Video service end returns.
3. a kind of method for playing encrypted video according to claim 1, which is characterized in that the step S2 specifically:
S2.1, network service end obtain the video ID of the encrypted video content information, send the signing messages including video ID
Solicited message is to business service end；
S2.2, business service end receive signing messages solicited message, are generated according to the video ID and return to signing messages to net
Network server-side；
S2.3, network service end receive the signing messages that business service end is sent, and sending includes video ID and signing messages
Video cipher key request information is to business service end；
S2.4, business service terminate rating frequency cipher key request information, whether consistent the signing messages are verified, if unanimously, returning
Return encrypted video key to network service end；
S2.5, network service end are decrypted encrypted video key, it is close to be obtained video using the signing messages as key
Key is decrypted according to encrypted video content information described in the video key pair, obtains decrypted video content information, by institute
It states decrypted video content information and is sent to client and play out.
4. a kind of method for playing encrypted video according to claim 3, which is characterized in that step S2.2 specifically:
Business service end receives signing messages solicited message, makees after the video ID is spliced into character string with signature timestamp
MD5 mapping, to obtain signing messages, returns to the signing messages to network service end.
5. a kind of method for playing encrypted video according to claim 3, which is characterized in that the view in the step S2.3
Frequency cipher key request information further includes signature timestamp；
The step S2.4 specifically: business service terminate rating frequency cipher key request information, verify the signing messages whether one
It causes, if unanimously, obtaining current time, judges whether the time difference of the current time and timestamp of signing is more than preset time
Interval, if not exceeded, then return encrypted video key to network service end, if signing messages verifying it is inconsistent or
The time difference is more than prefixed time interval, then returns and play ending message to network service end.
6. a kind of system for playing encrypted video, including network service end, the network service end include first memory, first
Processor and storage are on the first memory and the first computer program that can run on first processor, which is characterized in that
The first processor performs the steps of when executing first computer program
S1, the encrypted video solicited message that client is sent is obtained, reads encrypted video content information；
S2, the decryption encrypted video content information, obtain decrypted video content information, and the decrypted video content is believed
Breath is sent to client and plays out.
7. a kind of system for playing encrypted video according to claim 6, which is characterized in that the step S1 specifically:
The encrypted video solicited message that client is sent is obtained, judges whether the video classification of the encrypted video of request is local broadcast
It puts, if so, reading encrypted video content information from local file content, otherwise sends the encrypted video solicited message
To Video service end, the encrypted video content information that the Video service end returns is received.
8. a kind of system for playing encrypted video according to claim 6, which is characterized in that it further include business service end,
The business service end includes second memory, second processor and is stored on second memory and can be in second processor
The second computer program of operation,
The step S2 specifically:
S2.1, the video ID for obtaining the encrypted video content information send the signing messages solicited message including video ID extremely
Business service end；
S2.3, the signing messages that business service end is sent is received, sends the video key including video ID and signing messages and asks
Ask information to business service end；
S2.5, the encrypted video key that business service end is sent is received, using the signing messages as key, is regarded to having encrypted
Frequent key is decrypted, and obtains video key, is decrypted, is obtained according to encrypted video content information described in the video key pair
To decrypted video content information, the information of decrypted video content is sent to client and is played out；
Before the step S2.3, the second processor performs the steps of when executing the second computer program
S2.2, the signing messages solicited message that network service end is sent is received, is generated according to the video ID and returns to A.L.S.
It ceases to network service end；
Before the step S2.5, the second processor performs the steps of when executing the second computer program
S2.4, the video cipher key request information that network service end is sent is received, whether consistent verifies the signing messages, if one
Cause, then return encrypted video key to network service end.
9. a kind of system for playing encrypted video according to claim 8, which is characterized in that step S2.2 specifically:
Signing messages solicited message is received, the video ID and signature timestamp are spliced into after character string and make MD5 mapping, with
To signing messages, the signing messages is returned to network service end.
10. a kind of system for playing encrypted video according to claim 8, which is characterized in that in the step S2.3
Video cipher key request information further includes signature timestamp；
The step S2.4 specifically: receive the video cipher key request information that network service end is sent, verify the signing messages
It is whether consistent, if unanimously, obtaining current time, judge whether the current time and the time difference for timestamp of signing are more than pre-
If time interval, if not exceeded, then returning, encrypted video key is to network service end, if signing messages verifying is different
It causes or the time difference is more than prefixed time interval, then return and play ending message to network service end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890388.5A CN108989886A (en) | 2018-08-07 | 2018-08-07 | A kind of method and system playing encrypted video |
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| CN201810890388.5A CN108989886A (en) | 2018-08-07 | 2018-08-07 | A kind of method and system playing encrypted video |
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| CN108989886A true CN108989886A (en) | 2018-12-11 |
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| CN201810890388.5A Withdrawn CN108989886A (en) | 2018-08-07 | 2018-08-07 | A kind of method and system playing encrypted video |
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| CN (1) | CN108989886A (en) |
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| CN112261040A (en) * | 2020-10-21 | 2021-01-22 | 厦门悦讯信息科技股份有限公司 | Online audio and video anti-theft method and system |
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| CN115001710A (en) * | 2022-06-01 | 2022-09-02 | 山东福生佳信科技股份有限公司 | Video playing request management method based on signature parameter updating |
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