CN105744354B - Scramble the de-scrambling method and system of transmitting stream - Google Patents
Scramble the de-scrambling method and system of transmitting stream Download PDFInfo
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- CN105744354B CN105744354B CN201410745149.2A CN201410745149A CN105744354B CN 105744354 B CN105744354 B CN 105744354B CN 201410745149 A CN201410745149 A CN 201410745149A CN 105744354 B CN105744354 B CN 105744354B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
Abstract
The invention discloses a kind of de-scrambling methods for scrambling transmitting stream, include the following steps：Terminal obtains the identification information and scramble information of scrambling transmitting stream, and the identification information and scramble information are sent to server；Server calls corresponding descrambler device according to the identification information, and the scramble information is sent to the descrambler device of calling, so that the descrambler device of calling handles scrambling transmitting stream according to the scramble information to obtain descrambling information, server obtains the descrambling information and the descrambling information is sent to terminal；Terminal descrambles scrambling transmitting stream according to the descrambling information.The invention also discloses a kind of descrambling systems for scrambling transmitting stream.The present invention, it is therefore not necessary to additionally increase any hardware module with descrambling function in terminal, reduces the hardware cost of terminal since main descrambling procedure is completed by the descrambler device of server calls.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of de-scrambling methods and system for scrambling transmitting stream.
Background technique
Terminal needs to carry out it descrambling just when playing scrambling transmitting stream (Transport Stream, abbreviation TS stream)
Energy normal play, existing de-scrambling method are by the additional integrated hardware module with descrambling function at the terminal and to be equipped with phase
The software module answered come to scrambling transmitting stream descramble, in this way, increasing the additional hardware cost of terminal.
Summary of the invention
The main purpose of the present invention is to provide a kind of de-scrambling methods and system for scrambling transmitting stream, to solve terminal needs
Increase additional hardware cost come the technical issues of descrambling to scrambling transmitting stream.
To achieve the above object, a kind of de-scrambling method scrambling transmitting stream provided by the invention, the method includes following
Step：
Terminal obtains the identification information and scramble information of scrambling transmitting stream, and the identification information and scramble information are sent
To server；
Server calls corresponding descrambler device according to the identification information, and the scramble information is sent to calling
Descrambler device, so that the descrambler device of calling is handled to obtain descrambling information according to the scramble information to scrambling transmitting stream,
Server obtains the descrambling information and the descrambling information is sent to terminal；
Terminal descrambles scrambling transmitting stream according to the descrambling information.
Preferably, the identification information includes scrambling the smart card information and/or area information of transmitting stream.
Preferably, the step of identification information and scramble information of the terminal acquisition scrambling transmitting stream includes：
Terminal obtains scrambling with Entitlement Control Message index filtering according to the Entitlement Management Message index in scrambling transmitting stream
The scramble information of transmitting stream, the scramble information include Entitlement Management Message and Entitlement Control Message.
Preferably, the server calls corresponding descrambler device according to the identification information, and by the scramble information
It is sent to the descrambler device of calling, so that the descrambler device of calling handle to scrambling transmitting stream according to the scramble information
To descrambling information, server obtains the descrambling information and includes the step of the descrambling information is sent to terminal：
The Entitlement Management Message and Entitlement Control Message are sent to the descrambler device of calling by server, for calling
Descrambler device interacts acquisition business cipher key by Entitlement Management Message smart card corresponding with scrambling transmitting stream；And lead to
It crosses the business cipher key, the Entitlement Control Message and the smart card and interacts acquisition descrambled control words, server obtains
The descrambled control words are simultaneously sent to terminal by the descrambled control words.
Preferably, the terminal obtains the identification information and scramble information of scrambling transmitting stream, and by the identification information and
Scramble information was sent to before the step of server：
The equipment Serial Number of itself is sent to server by terminal；
Server according to the equipment Serial Number judge terminal whether be server registration terminal；
If so, server, which encrypts the equipment Serial Number by Encryption Algorithm to generate to authenticate to encode, is sent to terminal, with
Certification coding, which is based on, for terminal carries out information exchange with server；
If it is not, server terminates the information exchange with terminal.
In addition, to achieve the above object, the present invention also provides a kind of descrambling system for scrambling transmitting stream, the scrambling transmission
The descrambling system of stream includes：Terminal and server, wherein
The terminal is used to obtain the identification information and scramble information for scrambling transmitting stream, and by the identification information and scrambling
Information is sent to server；The descrambling information that server is sent is obtained, and scrambling transmitting stream is carried out according to the descrambling information
Descrambling；
The server is used to call corresponding descrambler device according to the identification information, and the scramble information is sent
To the descrambler device of calling, solved so that the descrambler device of calling is handled scrambling transmitting stream according to the scramble information
Information is disturbed, the descrambling information is obtained and the descrambling information is sent to terminal.
Preferably, the identification information includes scrambling the smart card information and/or area information of transmitting stream.
Preferably, the terminal is also used to：
Scrambling is obtained with Entitlement Control Message index filtering according to the Entitlement Management Message index in scrambling transmitting stream to transmit
The scramble information of stream, the scramble information include Entitlement Management Message and Entitlement Control Message.
Preferably, the server is also used to：
The Entitlement Management Message and Entitlement Control Message are sent to the descrambler device of calling, so that the descrambling of calling is set
It is standby that acquisition business cipher key is interacted by Entitlement Management Message smart card corresponding with scrambling transmitting stream；And by described
Business cipher key, the Entitlement Control Message and the smart card interact acquisition descrambled control words, obtain the descrambling control
The descrambled control words are simultaneously sent to terminal by word.
Preferably, the terminal is also used to：The equipment Serial Number of itself is sent to server；
The server is also used to：According to the equipment Serial Number judge terminal whether be server registration terminal；If
It is to encrypt to generate to authenticate to encode by the equipment Serial Number by Encryption Algorithm to be sent to terminal, so that terminal is recognized based on described
Card coding carries out information exchange with server；If it is not, terminating the information exchange with terminal.
A kind of de-scrambling method and system scrambling transmitting stream proposed by the present invention, terminal need to will only scramble the identification of transmitting stream
Information and scramble information are sent to server, and server recalls corresponding descrambler device to descramble to scrambling transmitting stream,
And descrambling information is sent to terminal, terminal can descramble scrambling transmitting stream according to the descrambling information that server is sent,
Since main descrambling procedure is completed by the descrambler device of server calls, it is therefore not necessary to additionally increase in terminal any
Hardware module with descrambling function, reduces the hardware cost of terminal.
Detailed description of the invention
Fig. 1 is the flow diagram of the de-scrambling method first embodiment of present invention scrambling transmitting stream；
Fig. 2 is the flow diagram of the de-scrambling method second embodiment of present invention scrambling transmitting stream；
Fig. 3 is the structural schematic diagram of one embodiment of descrambling system of present invention scrambling transmitting stream.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of de-scrambling method for scrambling transmitting stream.
Referring to Fig.1, Fig. 1 is the flow diagram of the de-scrambling method first embodiment of present invention scrambling transmitting stream.
In the first embodiment, the de-scrambling method of the scrambling transmitting stream includes：
Step S10, terminal obtain the identification information and scramble information of scrambling transmitting stream, and by the identification information and scrambling
Information is sent to server；
In the present embodiment, after terminal gets scrambling transmitting stream, scrambling transmitting stream is analyzed, obtains scrambling transmitting stream
Identification information and scramble information.Wherein, the identification information is to identify the relevant information of different scrambling transmitting stream, this implementation
In example, the identification information can be the system identifier of the smart card information such as CA smart card of scrambling transmitting stream, be also possible to scramble
Region ID of the area information of transmitting stream as where scrambling transmitting stream, certainly, also not limiting the identification information can be with as other
Identify the relevant information of different scrambling transmitting stream.The scramble information is information relevant to scrambling in scrambling transmitting stream, descrambling
Equipment can carry out descrambling operation to it according to the scramble information in scrambling transmitting stream.Terminal analysis obtains the knowledge of scrambling transmitting stream
After other information and scramble information, the identification information and scramble information are sent to server.
Step S20, server calls corresponding descrambler device according to the identification information, and the scramble information is sent
To the descrambler device of calling, solved so that the descrambler device of calling is handled scrambling transmitting stream according to the scramble information
Information is disturbed, server obtains the descrambling information and the descrambling information is sent to terminal；
After server receives the identification information of terminal transmission such as the system identifier of CA smart card, region ID, passed according to scrambling
The system identifier of the CA smart card of stream, region ID is sent to call corresponding descrambler device, it should be noted that the descrambling in the present embodiment
Equipment both can integrate on the server, can also be provided separately with server, and the present embodiment is not construed as limiting this, no matter descramble
Equipment is integrated on server or is provided separately with server, and server can be called directly by Local or Remote network
Corresponding descrambler device.After server calls corresponding descrambler device according to the identification information, further, what be will acquire adds
The descrambler device that information is sent to calling is disturbed, descrambler device can be handled to obtain according to the scramble information to scrambling transmitting stream
The descrambling information after server gets the descrambling information, is sent to terminal by corresponding descrambling information.
Step S30, terminal descramble scrambling transmitting stream according to the descrambling information.
After terminal receives the descrambling information of server transmission, scrambling can be transmitted descrambling information based on the received
Stream is descrambled, and realizes that terminal plays the descrambling of scrambling transmitting stream.
The identification information for scrambling transmitting stream and scramble information need to be only sent to server, server by terminal in the present embodiment
Corresponding descrambler device is recalled to descramble to scrambling transmitting stream, and descrambling information is sent to terminal, terminal can root
The descrambling information sent according to server descrambles scrambling transmitting stream, since main descrambling procedure is by server calls
Descrambler device is completed, it is therefore not necessary to additionally increase any hardware module with descrambling function in terminal, reduces terminal
Hardware cost.
Further, in other embodiments, above-mentioned steps S10 can specifically include：Terminal is according in scrambling transmitting stream
Entitlement Management Message index (EMM PID) and Entitlement Control Message index (ECM PID) filtering obtain scrambling transmitting stream add
Information is disturbed, the scramble information includes Entitlement Management Message (EMM) and Entitlement Control Message (ECM).
Above-mentioned steps S20 can specifically include：Server is according to identification information such as system identifier of CA smart card, region ID etc.
After calling corresponding descrambler device, scramble information such as Entitlement Management Message, Entitlement Control Message that terminal is sent are sent to tune
The descrambler device of descrambler device, calling is handed over by Entitlement Management Message smart card corresponding with scrambling transmitting stream
Mutually obtain business cipher key；Wherein, the corresponding smart card of scrambling transmitting stream is that the setting of different scrambling transmitting stream is corresponded on descrambler device
Smart card, server obtain scrambling transmitting stream identification information after, you can learn that scrambling transmitting stream type, and be the scrambling
Transmitting stream calls corresponding descrambler device, and the descrambler device of calling can be carried out by smart card corresponding with the scrambling transmitting stream
Interaction to carry out descrambling operation to the scrambling transmitting stream.After descrambler device gets business cipher key,
It is interacted and is obtained with corresponding smart card by the Entitlement Control Message in the business cipher key, the scramble information
Descrambling information is taken, which is specially descrambled control words, and server sends it to end after obtaining the descrambled control words
End, terminal the descrambled control words can be arranged into scrambling transmitting stream, to realize that terminal broadcasts the descrambling of scrambling transmitting stream
It puts.
Referring to the flow diagram for the de-scrambling method second embodiment that Fig. 2, Fig. 2 are present invention scrambling transmitting stream.
On the basis of above-mentioned first embodiment, further include before above-mentioned steps S10：
The equipment Serial Number of itself is sent to server by step S40, terminal；
Step S50, server according to the equipment Serial Number judge terminal whether be server registration terminal；
Step S60 is sent to if so, server encrypts the equipment Serial Number by Encryption Algorithm to generate to authenticate to encode
Terminal carries out information exchange with server so that terminal is based on certification coding；
Step S70, if it is not, server terminates the information exchange with terminal.
The present embodiment and the difference of above-mentioned first embodiment be, the present embodiment further includes terminal by the equipment sequence of itself
Number be sent to server, server according to the equipment Serial Number judge terminal whether be server registration terminal operation.
In the present embodiment, before identification information and scramble information are sent to server progress information exchange by terminal, eventually
The equipment Serial Number of itself is sent to server first by end；Server judges whether terminal is clothes according to the equipment Serial Number
The registration terminal of business device；In this way, server can carry out identification to terminal according to equipment Serial Number, whether verifying terminal is clothes
The registration terminal of business device authorization, when terminal is by verifying, and server identifies registration terminal of the terminal for its authorization, server
The equipment Serial Number is encrypted to generate to authenticate to encode by Encryption Algorithm and is sent to terminal, so that terminal is compiled based on the certification
Code carries out information exchange with server；If server identifies the terminal not be its authorization registration terminal, server terminate with
The information exchange of terminal.
The present embodiment through the above scheme, server not only can by terminal carry out identification, only with server
The registration terminal of authorization carries out subsequent information exchange, and then provides descrambling for registration terminal and service, and to not being that server is awarded
The registration terminal of power then terminates and carries out subsequent information exchange with it, does not provide descrambling service for it, and when server identifies
When the registration terminal that terminal authorizes for it, server encrypts the equipment Serial Number to generate to authenticate by Encryption Algorithm encodes hair
It send to terminal, the follow-up interactive process of terminal and server is based on the certification coding that encryption generates and carries out, and it is safer,
Avoid interference of the non-registered terminal to server.
The present invention further provides a kind of descrambling systems for scrambling transmitting stream.
Referring to the structural schematic diagram for one embodiment of descrambling system that Fig. 3, Fig. 3 are present invention scrambling transmitting stream.
In one embodiment, the descrambling system of the scrambling transmitting stream includes：Terminal 1 and server 2, wherein
Terminal 1 is used to obtain the identification information and scramble information of scrambling transmitting stream, and the identification information and scrambling are believed
Breath is sent to server 2；The descrambling information that server 2 is sent is obtained, and scrambling transmitting stream is carried out according to the descrambling information
Descrambling；
Server 2 is used to call corresponding descrambler device according to the identification information, and the scramble information is sent to
The descrambler device of calling is descrambled so that the descrambler device of calling is handled scrambling transmitting stream according to the scramble information
Information obtains the descrambling information and the descrambling information is sent to terminal 1.
In the present embodiment, after terminal 1 gets scrambling transmitting stream, scrambling transmitting stream is analyzed, obtains scrambling transmission
The identification information and scramble information of stream.Wherein, the identification information is to identify the relevant information of different scrambling transmitting stream, this reality
It applies in example, the identification information can be the system identifier of the smart card information such as CA smart card of scrambling transmitting stream, be also possible to add
Region ID of the area information of transmitting stream as where scrambling transmitting stream is disturbed, certainly, also not limiting the identification information can as other
To identify the relevant information of different scrambling transmitting stream.The scramble information is information relevant to scrambling in scrambling transmitting stream, solution
Descrambling operation can be carried out to it according to the scramble information in scrambling transmitting stream by disturbing equipment.The analysis of terminal 1 obtains scrambling transmitting stream
Identification information and scramble information after, the identification information and scramble information are sent to server 2.
After server 2 receives the identification information of the transmission of terminal 1 such as the system identifier of CA smart card, region ID, according to scrambling
The system identifier of the CA smart card of transmitting stream, region ID call corresponding descrambler device, it should be noted that the solution in the present embodiment
Disturbing equipment both can integrate on a server 2, can also be provided separately with server 2, the present embodiment is not construed as limiting this no matter
Descrambler device is integrated on server 2 or is provided separately with server 2, and server 2 can directly pass through Local or Remote net
Network calls corresponding descrambler device.After server 2 calls corresponding descrambler device according to the identification information, further,
The scramble information that will acquire is sent to the descrambler device of calling, and descrambler device can flow into scrambling transmission according to the scramble information
Row processing obtains corresponding descrambling information, and after server 2 gets the descrambling information, the descrambling information is sent to terminal
1。
After terminal 1 receives the descrambling information of the transmission of server 2, scrambling can be passed descrambling information based on the received
It send stream to be descrambled, realizes that the descrambling of 1 pair of terminal scrambling transmitting stream plays.
The identification information for scrambling transmitting stream and scramble information need to be only sent to server 2 by terminal 1 in the present embodiment, service
Device 2 recalls corresponding descrambler device to descramble to scrambling transmitting stream, and descrambling information is sent to terminal 1, and terminal 1 is
Scrambling transmitting stream can be descrambled according to the descrambling information that server 2 is sent, since main descrambling procedure is by server 2
The descrambler device of calling is completed, it is therefore not necessary to additionally increase any hardware module with descrambling function in terminal 1, is reduced
The hardware cost of terminal 1.
Further, in other embodiments, the terminal 1 is also used to：According to the empowerment management letter in scrambling transmitting stream
Breath indexes (EMM PID) and Entitlement Control Message index (ECM PID) filtering obtains the scramble information of scrambling transmitting stream, described to add
Disturbing information includes Entitlement Management Message (EMM) and Entitlement Control Message (ECM).
The server 2 is also used to：Corresponding solution is called according to identification information such as system identifier of CA smart card, region ID etc.
After disturbing equipment, the scramble information descrambling that for example Entitlement Management Message, Entitlement Control Message are sent to calling that terminal 1 is sent is set
Standby, the descrambler device of calling interacts acquisition business by Entitlement Management Message smart card corresponding with scrambling transmitting stream
Key；Wherein, the corresponding smart card of scrambling transmitting stream is the smart card that the setting of different scrambling transmitting stream is corresponded on descrambler device, clothes
It is engaged in after the identification information of the acquisition scrambling transmitting stream of device 2, you can learn that the type of scrambling transmitting stream, and called for the scrambling transmitting stream
The descrambler device of corresponding descrambler device, calling can be interacted to by smart card corresponding with the scrambling transmitting stream to this
It scrambles transmitting stream and carries out descrambling operation.After descrambler device gets business cipher key,
It is interacted and is obtained with corresponding smart card by the Entitlement Control Message in the business cipher key, the scramble information
Descrambling information is taken, which is specially descrambled control words, and server 2 sends it to end after obtaining the descrambled control words
End 1, terminal 1 descrambled control words can be arranged into scrambling transmitting stream, to realize the descrambling of 1 pair of terminal scrambling transmitting stream
It plays.
In other embodiments, on the basis of above-mentioned first embodiment, the terminal 1 is also used to：By the equipment of itself
Sequence number is sent to server 2；
The server 2 is also used to：According to the equipment Serial Number judge terminal 1 whether be server 2 registration terminal
1；It is sent to terminal 1 if so, encrypting to generate to authenticate to encode by the equipment Serial Number by Encryption Algorithm, so that terminal 1 is based on
The certification coding carries out information exchange with server 2；If it is not, terminating the information exchange with terminal 1.
The present embodiment and the difference of above-mentioned first embodiment be, the present embodiment further includes terminal 1 by the equipment sequence of itself
Row number is sent to server 2, server 2 according to the equipment Serial Number judge terminal 1 whether be server 2 registration terminal 1
Operation.
In the present embodiment, before identification information and scramble information are sent to the progress information exchange of server 2 by terminal 1,
The equipment Serial Number of itself is sent to server 2 first by terminal 1；Server 2 judges that terminal 1 is according to the equipment Serial Number
The no registration terminal 1 for server 2；In this way, server 2 can carry out identification to terminal 1 according to equipment Serial Number, verifying is eventually
End 1 whether be server 2 authorize registration terminal 1, when terminal 1 by verifying, server 2 identify the terminal 1 be its authorization
When registration terminal 1, server 2, which encrypts the equipment Serial Number by Encryption Algorithm to generate to authenticate to encode, is sent to terminal 1, with
Certification coding, which is based on, for terminal 1 carries out information exchange with server 2；If server 2 identifies that the terminal 1 is not its authorization
Registration terminal 1, then server 2 terminates the information exchange with terminal 1.
The present embodiment through the above scheme, server 2 not only can by terminal 1 carry out identification, only with service
The registration terminal 1 that device 2 authorizes carries out subsequent information exchange, and then provides descrambling service for registration terminal 1, and to not being service
The registration terminal 1 that device 2 authorizes then terminates and carries out subsequent information exchange with it, does not provide descrambling service for it, and when service
When the registration terminal 1 that 2 identification terminal 1 of device authorizes for it, the equipment Serial Number is encrypted by Encryption Algorithm and is generated by server 2
Certification, which encodes, is sent to terminal 1, and the follow-up interactive process of terminal 1 and server 2 is based on the certification that encryption generates and encodes
It carries out, it is safer, avoid interference of the non-registered terminal 1 to server 2.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.Pass through above embodiment party
The description of formula, it is required general that those skilled in the art can be understood that above-described embodiment method can add by software
The mode of hardware platform is realized, naturally it is also possible to which by hardware, but in many cases, the former is more preferably embodiment.It is based on
Such understanding, substantially the part that contributes to existing technology can be with software product in other words for technical solution of the present invention
Form embody, which is stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including
Some instructions are used so that a terminal device (can be mobile phone, computer, server or the network equipment etc.) executes this hair
Method described in bright each embodiment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of de-scrambling method for scrambling transmitting stream, which is characterized in that the described method comprises the following steps：
Terminal obtains the identification information and scramble information of scrambling transmitting stream, and the identification information and scramble information are sent to clothes
Business device；
Server calls corresponding descrambler device according to the identification information, and the scramble information is sent to the descrambling of calling
Equipment, so that the descrambler device of calling interacts to obtain according to scramble information identification information corresponding with scrambling transmitting stream
Descrambling information, server obtain the descrambling information and the descrambling information are sent to terminal；
Terminal descrambles scrambling transmitting stream according to the descrambling information.
2. the de-scrambling method of scrambling transmitting stream as described in claim 1, which is characterized in that the identification information includes that scrambling passes
Send the smart card information and/or area information of stream.
3. the de-scrambling method of scrambling transmitting stream as described in claim 1, which is characterized in that the terminal obtains scrambling transmitting stream
Identification information and scramble information the step of include：
Terminal obtains scrambling with Entitlement Control Message index filtering according to the Entitlement Management Message index filtering in scrambling transmitting stream
The scramble information of transmitting stream, the scramble information include Entitlement Management Message and Entitlement Control Message.
4. the de-scrambling method of scrambling transmitting stream as claimed in claim 3, which is characterized in that the server is according to the identification
Information calls corresponding descrambler device, and the scramble information is sent to the descrambler device of calling, so that the descrambling of calling is set
Standby to be handled according to the scramble information scrambling transmitting stream to obtain descrambling information, server obtains the descrambling information and will
The step of descrambling information is sent to terminal include：
The Entitlement Management Message and Entitlement Control Message are sent to the descrambler device of calling by server, for the descrambling of calling
Equipment interacts acquisition business cipher key by Entitlement Management Message smart card corresponding with scrambling transmitting stream；And pass through institute
State business cipher key, the Entitlement Control Message and the smart card interact acquisition descrambled control words, described in server obtains
The descrambled control words are simultaneously sent to terminal by descrambled control words.
5. the de-scrambling method of scrambling transmitting stream according to any one of claims 1 to 4, which is characterized in that the terminal obtains
Take the identification information and scramble information of scrambling transmitting stream, and the step of identification information and scramble information are sent to server
Further include before：
The equipment Serial Number of itself is sent to server by terminal；
Server according to the equipment Serial Number judge terminal whether be server registration terminal；
If so, server, which encrypts the equipment Serial Number by Encryption Algorithm to generate to authenticate to encode, is sent to terminal, for end
End group carries out information exchange with server in certification coding；
If it is not, server terminates the information exchange with terminal.
6. it is a kind of scramble transmitting stream descrambling system, which is characterized in that it is described scrambling transmitting stream descrambling system include：Terminal and
Server, wherein
The terminal is used to obtain the identification information and scramble information for scrambling transmitting stream, and by the identification information and scramble information
It is sent to server；The descrambling information that server is sent is obtained, and scrambling transmitting stream is descrambled according to the descrambling information；
The server is used to call corresponding descrambler device according to the identification information, and the scramble information is sent to tune
Descrambler device, so that the descrambler device of calling is carried out according to scramble information identification information corresponding with scrambling transmitting stream
Interaction obtains descrambling information, obtains the descrambling information and the descrambling information is sent to terminal.
7. the descrambling system of scrambling transmitting stream as claimed in claim 6, which is characterized in that the identification information includes that scrambling passes
Send the smart card information and/or area information of stream.
8. the descrambling system of scrambling transmitting stream as claimed in claim 6, which is characterized in that the terminal is also used to：
Scrambling is obtained with Entitlement Control Message index filtering according to the Entitlement Management Message index filtering in scrambling transmitting stream to transmit
The scramble information of stream, the scramble information include Entitlement Management Message and Entitlement Control Message.
9. the descrambling system of scrambling transmitting stream as claimed in claim 8, which is characterized in that the server is also used to：
The Entitlement Management Message and Entitlement Control Message are sent to the descrambler device of calling, so that the descrambler device of calling is logical
It crosses Entitlement Management Message smart card corresponding with scrambling transmitting stream and interacts acquisition business cipher key；And pass through the business
Key, the Entitlement Control Message and the smart card interact acquisition descrambled control words, obtain the descrambled control words simultaneously
The descrambled control words are sent to terminal.
10. the descrambling system of the scrambling transmitting stream as described in any one of claim 6 to 9, which is characterized in that the terminal is also
For：The equipment Serial Number of itself is sent to server；
The server is also used to：According to the equipment Serial Number judge terminal whether be server registration terminal；If so, logical
It crosses Encryption Algorithm and equipment Serial Number encryption generation certification coding is sent to terminal, so that terminal is encoded based on the certification
Information exchange is carried out with server；If it is not, terminating the information exchange with terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745149.2A CN105744354B (en) | 2014-12-08 | 2014-12-08 | Scramble the de-scrambling method and system of transmitting stream |
| PCT/CN2015/090320 WO2016090990A1 (en) | 2014-12-08 | 2015-09-23 | Method and system for descrambling scrambled transport stream |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745149.2A CN105744354B (en) | 2014-12-08 | 2014-12-08 | Scramble the de-scrambling method and system of transmitting stream |
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| CN105744354A CN105744354A (en) | 2016-07-06 |
| CN105744354B true CN105744354B (en) | 2018-11-16 |
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| CN201410745149.2A Active CN105744354B (en) | 2014-12-08 | 2014-12-08 | Scramble the de-scrambling method and system of transmitting stream |
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| CN107590886A (en) * | 2017-09-04 | 2018-01-16 | 传世未来（北京）信息科技有限公司 | The method for unlocking and system of identity-based certification |
| CN107749999B (en) * | 2017-09-28 | 2019-10-22 | 高斯贝尔数码科技股份有限公司 | A kind of digital television conditional access system inside parallel method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1476724A (en) * | 2000-11-28 | 2004-02-18 | 北京华诺信息技术有限公司 | Eneryption system of wired television network |
| CN101056393A (en) * | 2007-04-20 | 2007-10-17 | 中兴通讯股份有限公司 | Data de-scrambling method and system |
| CN101917610A (en) * | 2010-08-16 | 2010-12-15 | 中兴通讯股份有限公司 | Method for realizing function of mobile multimedia broadcasting TV program |
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| US20080137850A1 (en) * | 2006-12-07 | 2008-06-12 | Rajesh Mamidwar | Method and system for a generic key packet for mpeg-2 transport scrambling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476724A (en) * | 2000-11-28 | 2004-02-18 | 北京华诺信息技术有限公司 | Eneryption system of wired television network |
| CN101056393A (en) * | 2007-04-20 | 2007-10-17 | 中兴通讯股份有限公司 | Data de-scrambling method and system |
| CN101917610A (en) * | 2010-08-16 | 2010-12-15 | 中兴通讯股份有限公司 | Method for realizing function of mobile multimedia broadcasting TV program |
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| WO2016090990A1 (en) | 2016-06-16 |
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