CN105338407B - Program plays encryption method and device - Google Patents
Program plays encryption method and device Download PDFInfo
- Publication number
- CN105338407B CN105338407B CN201510725945.4A CN201510725945A CN105338407B CN 105338407 B CN105338407 B CN 105338407B CN 201510725945 A CN201510725945 A CN 201510725945A CN 105338407 B CN105338407 B CN 105338407B
- Authority
- CN
- China
- Prior art keywords
- program
- top box
- password
- user
- encryption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- 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
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of programs to play encryption method and device, and it includes: the system device table that receiving front-end issues which, which plays encryption method, and the private setting descriptor of description program generic is equipped in the system device table；The private setting descriptor is parsed, classification belonging to the program is obtained；It is to encrypt the program of class plus set-top box password by affiliated classification.Through the invention, user can not need user and go to lock manually when searching for high-level program automatically plus lock.For high-level program, user will not only input CA password, also input set-top box password, increase the safety that high-level program plays.
Description
Technical field
The present invention relates to video decoding and field of communication technology, in particular to a kind of Double-puzzle program play encryption method and
Device.
Background technique
With the development of DTV and video coding technique, under same bandwidth, the program that operator can transmit is increasingly
More, content is also more and more abundant.But program level is different, suitable age bracket is also different, such as some program scenes
Compare violence, is not suitable for middle school student and its crowd below viewing, it is necessary to which cryptoguard, CA are carried out to the program
The rank of program can be turned up in (Conditinal Access) system, it is desirable that user inputs password.However, can be set on remote controler
The character for setting password is limited, if the program only sets a password, easy subject comes out, needs that Double-puzzle is arranged, to drop significantly
The high program of grade is effectively protected in the low probability cracked.
In addition, generally only this layer of CA controls password in the prior art for high level program, user is switched to this
When program, only need to input CA password can be watched.In carrying out the present invention, discovery at least exists such as inventor in the prior art
Lower problem:
1. high level program only has mono- layer of password of CA, and the password of many CA system manufacturers only supports number, holds very much
Easily tested to come out, safety is low.
2. user needs manually to lock high-level program in order to improve program viewing grade, human-computer interaction is reduced
Friendly.
3. set-top box has several hundred programs, it need to broadcast one time, high-level program is locked manually one by one then, increase
The workload of user there may come a time when also omit.
Summary of the invention
The embodiment of the invention provides programs to play encryption method, with close to high-level program progress CA password and set-top box
Code encryption increases the safety that high-level program plays.
To achieve the goals above, the embodiment of the invention provides a kind of programs to play encryption method, comprising:
The private setting descriptor of program is added in system device table, is described belonging to the program in the private setting descriptor
Classification；
The system device table is issued to set-top box, generates set-top box password to control the set-top box.
In one embodiment, which plays encryption method further include:
Receive the set-top box password resetting request that the set-top box is sent；
The instruction of request generation resetting set-top box password is reset according to the set-top box password and the instruction is issued to institute
State set-top box.
Description subtab and the sub- length of description are also described in one embodiment, in the private setting descriptor.
To achieve the goals above, the embodiment of the present invention provides a kind of program broadcasting encryption method, comprising:
The system device table that receiving front-end issues is equipped with description the privately owned of program generic in the system device table and retouches
State symbol；
The private setting descriptor is parsed, classification belonging to the program is obtained；
It is to encrypt the program of class plus set-top box password by affiliated classification.
In one embodiment, which plays encryption method further include: receiving front-end CA system classification according to belonging to program
The CA password issued.
In one embodiment, which plays encryption method further include:
Receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, prompt user defeated
Enter set-top box password.
In one embodiment, which plays encryption method further include:
It is encryption class program, and user first when judging that user requests the program played according to the program playing request
When secondary request plays the encryption class program, user is prompted to modify set-top box password.
In one embodiment, which plays encryption method further include:
Receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, prompt user defeated
Enter set-top box password and CA password.
In one embodiment, which plays encryption method further include:
Receive the program playing request of user；
When judging user according to the program playing request to request the program played being to encrypt class program, and user the
When primary request plays the encryption class program, user is prompted to modify set-top box password and CA password.
In one embodiment, which plays encryption method further include:
Whether the errors number for judging that user inputs set-top box password is more than pre-determined number；
If so, sending the resetting request of set-top box password to the front end；
The instruction for the resetting set-top box password that the front end issues is received, the set-top box for prompting user to modify front end setting is close
Code.
In one embodiment, which plays encryption method further include:
Whether the errors number for judging that user inputs CA password is more than pre-determined number；
If so, sending the resetting request of CA password to the front end CA system；
The instruction for receiving the resetting set-top box password that the front end CA system issues prompts user to modify front end CA system and sets
The set-top box password set.
In one embodiment, the set-top box password is the combination of digital keys and other keys on remote controler.
In one embodiment, the CA password is made of discontinuous number or different number.
To achieve the goals above, the embodiment of the present invention also provides a kind of program broadcasting encryption device, comprising:
Descriptor adding unit, for adding the private setting descriptor of program, the private setting descriptor in system device table
In describe classification belonging to the program；
Equipment list issuance unit generates machine for issuing the system device table to set-top box to control the set-top box
Top box password.
In one embodiment, which plays encryption device further include:
Request reception unit, the set-top box password resetting request sent for receiving the set-top box；
Password generation unit generates the instruction of resetting set-top box password simultaneously for resetting request according to the set-top box password
The instruction is issued to the set-top box.
Description subtab and the sub- length of description are also described in one embodiment, in the private setting descriptor.
To achieve the goals above, the embodiment of the present invention also provides a kind of program broadcasting encryption device, comprising:
Equipment list receiving unit is equipped with description for the system device table that receiving front-end issues in the system device table
The private setting descriptor of program generic；
Resolution unit obtains classification belonging to the program for parsing the private setting descriptor；
Encryption unit, for being to encrypt the program of class plus set-top box password by affiliated classification.
In one embodiment, which plays encryption device further include: CA password acceptance unit is used for receiving front-end CA system
The CA password that the classification according to belonging to program issues.
In one embodiment, which plays encryption device further include: further include:
Playing request receiving unit, for receiving the program playing request of user；
First prompt unit, when according to the program playing request judge user request play program be encryption class program
When, for prompting user to input set-top box password.
In one embodiment, first prompt unit is also used to: when according to the program playing request judge user request
The program of broadcasting is encryption class program, and when user's first time request broadcasting encryption class program, user is prompted to modify machine top
Box password.
In one embodiment, the second prompt unit, when the program for judging user's request broadcasting according to the program playing request
When to encrypt class program, for prompting user to input set-top box password and CA password.
In one embodiment, second prompt unit is also used to: when according to the program playing request judge user request
When the program of broadcasting is encryption class program, and when user's first time request broadcasting encryption class program, user is prompted to modify machine
Top box password and CA password.
In one embodiment, which plays encryption device further include:
First judging unit, whether the errors number for judging that user inputs set-top box password is more than pre-determined number；
First resetting request transmitting unit, for sending the resetting request of set-top box password to the front end；
Prompt unit is set, for receiving the instruction for the resetting set-top box password that the front end issues, prompts user's modification
The set-top box password of front end setting.
In one embodiment, which plays encryption device further include:
Second judges judging unit, and whether the errors number for judging that user inputs CA password is more than pre-determined number；
Second resetting request transmitting unit, for sending the resetting request of CA password to the front end CA system；
Prompt unit is modified, for receiving the instruction for the resetting set-top box password that the front end CA system issues, prompts to use
Modify the set-top box password of front end CA system setting in family.
In one embodiment, the set-top box password is the combination of digital keys and other keys on remote controler.
In one embodiment, the CA password is made of discontinuous number or different number.
Through the invention, user can not need user and go to lock manually when searching for high-level program automatically plus lock.
For high-level program, user will not only input CA password, also input set-top box password, and single password is avoided to be easy subject
Out, the safety that high-level program plays is increased.
The present invention also increases the limitation of bad password number, reduces the probability that user guesss out password by repeatedly test.
In addition, set-top box password needs number key and other key combinations, safety is increased.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the program of the embodiment of the present invention plays encryption method flow chart；
Fig. 2 is the private setting descriptor schematic diagram of the embodiment of the present invention；
Fig. 3 is that the set-top box password of the embodiment of the present invention resets flow chart；
Fig. 4 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Fig. 5 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Fig. 6 one embodiment of the invention provides a kind of program broadcasting encryption method flow chart；
Fig. 7 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Fig. 8 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Fig. 9 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Figure 10 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Figure 11 is that the program of one embodiment of the invention plays the structural block diagram of encryption device；
Figure 12 is that the program of one embodiment of the invention plays the structural block diagram of encryption device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of programs to play encryption method, as shown in Figure 1, the program plays encryption method packet
It includes:
S101: the private setting descriptor of program is added in system device table, describes the section in the private setting descriptor
Classification belonging to mesh；
S102: issuing the system device table to set-top box, generates set-top box password to control the set-top box.
In process shown in FIG. 1, executing subject can be the headend equipment (equipment of TV programme operator) of set-top box,
By set-top box front-end equipment, (Service Device Table SDT) addition describes TV in local system device table
The private setting descriptor of program generic, and it is handed down to set-top box by modes such as broadcast, set-top box can be made to generate machine top
Box password.
The above-mentioned TV programme for needing to generate set-top box password are generally the high-level program that operator defines, if operation
Quotient thinks that certain program is high-level program, so that it may which addition describes the private setting descriptor of the program in SDT, and privately owned at this
It is high-level program (such as Special Characteristics class program) that the program generic is described in descriptor.
It should be noted that for the program general programs (such as CCTV5, local satellite TV that do not need set-top box password encryption
Deng), set-top box front-end can also add the private setting descriptor of such program in SDT, can also describe this in private setting descriptor
Class program generic.
Illustrate how to add the private setting descriptor of high-level program, set-top box front-end adds and is labeled as in SDT
0XCC private setting descriptor (program_category_descriptor), this descriptor is for describing which the program belongs to
Classification, a program may belong to multiple classification, (while carry out CA password encryption and machine top for needing to carry out Double-puzzle control
Box encryption) program, can be added to Special Characteristics classification in, the explanation of private setting descriptor
As shown in Figure 2.
Program generic is not only described in private setting descriptor, also describes description subtab and the sub- length of description, Fig. 2
Middle every meaning represented is described as follows:
Subtab descriptor_tag is described
8 be field, for marking different description, is described herein in son, this field value is 0xCC.
Sub- length descrtiprot_length is described
8 be field, indicate description son in after the field data portion byte number.
Program category program_type
16 bit fields indicate the classification of this service.
Setting set-top box Password Input limited number of times is generally required in set-top box, if it is more than limitation time that user, which inputs password,
Number, the TV programme will be locked, and the order for needing to send request resetting set-top box to set-top box front-end carries out set-top box password
Resetting, as shown in figure 3, including the following steps:
S301: the set-top box password resetting request that the set-top box is sent is received；
S302: the instruction of request generation resetting set-top box password is reset according to the set-top box password and issues the instruction
To the set-top box.
In the embodiment of the present invention, the private setting descriptor of high-level program generic is described by adding in SDT, it can be with
Set-top box is encrypted, the safety that high-level program plays is increased.It is wrong that the present invention also increases continuous several times input password
The function of accidentally being reset reduces the probability that user guesss out password by repeatedly test.
Based on inventive concept identical with program shown in FIG. 1 broadcasting encryption method, the embodiment of the present application also provides one
Kind program plays encryption device, as described in following example.Since the program plays the principle and section that encryption device solves the problems, such as
Mesh broadcasting encryption method is similar, therefore the implementation of program broadcasting encryption device may refer to the reality that program plays encryption method
It applies, overlaps will not be repeated.
Fig. 4 is that the program of the embodiment of the present invention plays the structural block diagram of encryption device.Add as shown in figure 4, the program plays
Close device includes: descriptor adding unit 401 and equipment list issuance unit 402.
Descriptor adding unit 401 in system device table for adding the private setting descriptor of program, the privately owned description
Classification belonging to the program is described in symbol；
Equipment list issuance unit 402 is used to issue the system device table to set-top box, is generated with controlling the set-top box
Set-top box password.
In one embodiment, the program as shown in Figure 5 plays encryption device further include: request reception unit 403 and password are raw
At unit 404.
Request reception unit 403 is used to receive the set-top box password resetting request that the set-top box is sent；
Password generation unit 404 is used to reset the instruction that request generates resetting set-top box password according to the set-top box password
And the instruction is issued to the set-top box.
In one embodiment, in addition to describing classification belonging to program in private setting descriptor, also describe description subtab and
Sub- length is described.
The embodiment of the present invention provides a kind of program broadcasting encryption method, as shown in fig. 6, mesh broadcasting encryption method includes:
S601: the system device table that receiving front-end issues is equipped with description program generic in the system device table
Private setting descriptor；
S602: parsing the private setting descriptor, obtains classification belonging to the program；
S603: being to encrypt the program of class plus set-top box password by affiliated classification.
In process shown in Fig. 6, the executing subject that mesh plays encryption method is set-top box, and it is whole that set-top box parses set-top box
The private setting descriptor for holding the certain program in the SDT table issued, obtains classification belonging to the program, judges the category to encrypt class
Program when, to change program plus set-top box password.Encryption method is played by the mesh, high-level section can searched for user
The safety of program can be increased, and do not need user and go to lock manually automatically plus lock when mesh.
The playing flow of set-top box is as follows:
1, set-top box receives the program playing request of user, i.e. user selects certain program by remote controler.
2, set-top box judges that user requests whether the program played is encryption class program according to program playing request, and judges
Whether user is the channel for being switched to the encryption class program for the first time.
If it is encryption class program that user, which requests the program played, but simultaneously non-user is switched to the encryption class program for the first time
Channel, then prompt user input set-top box password.
If user requests, the program played is encryption class program but simultaneously non-user is switched to the encryption class program for the first time
Channel, and user is to be switched to the channel of the encryption class program for the first time, then needs that user is prompted to modify set-top box password, it
Just it is not necessary to modify set-top box passwords when switching to the channel of the encryption class program again afterwards, directly input modified set-top box password
?.
3, whether the errors number that set-top box judges that user inputs set-top box password is more than pre-determined number.Set-top box password one
As cannot input infinitely, when user input set-top box password errors number be more than pre-determined number when, the encryption class program will
It is locked.Pre-determined number according to circumstances can arbitrarily be set, such as pre-determined number is 6 times.
If it is more than pre-determined number that 4, user, which inputs the errors number of set-top box password, forward end sends set-top box password weight
Set request.When set-top box front-end receives set-top box password resetting request, it will requested according to set-top box password resetting to machine
Top box sends the instruction of resetting set-top box password.
5, the instruction for the resetting set-top box password that set top box receiver top box front end issues, prompts user to modify front end modification
Set-top box password.After set-top box receives the instruction, which will be become modifying the shape of set-top box password from locking
State.
Set-top box can prompt user to modify set-top box password in last day monthly.
Set-top box password can be the combination of digital keys and other keys on remote controler, to increase safety.
In one embodiment, other than set-top box password is arranged, the present invention can also add CA password, when it is implemented, machine
Top box can receive the CA password that front end CA system classification according to belonging to program issues.CA password is the smart card pair of set-top box
The password answered, the CA password are handed down to the smart card of set-top box by front end CA system.
The case where set-top box password and CA password for the TV programme of broadcasting are only arranged, the playing flow of set-top box is such as
Under:
1, set-top box receives the program playing request of user, i.e. user selects certain program by remote controler.
2, set-top box judges that user requests whether the program played is encryption class program according to program playing request, and judges
Whether user is the channel for being switched to the encryption class program for the first time.
If it is encryption class program that user, which requests the program played, but simultaneously non-user is switched to the encryption class program for the first time
Channel, then prompt user to input set-top box password and CA password.First input set-top box password is generally required, then to input CA close
Code.
If user requests, the program played is encryption class program but simultaneously non-user is switched to the encryption class program for the first time
Channel, and user is to be switched to the channel of the encryption class program for the first time, then need to prompt user modify set-top box password and
CA password directly inputs just it is not necessary to modify set-top box password and CA password when switching to the channel of the encryption class program again later
Modified set-top box password and CA password.First modification set-top box password is generally required, then modifies CA password.
3, set-top box judges that user inputs whether set-top box password and the errors number of CA password are more than pre-determined number.Machine top
Box password and CA password cannot generally input infinitely, when the errors number that user inputs set-top box password is more than pre-determined number
When, which will be locked.Pre-determined number according to circumstances can arbitrarily be set, such as pre-determined number is 6 times.
If the errors number that user inputs set-top box password is more than pre-determined number, forward end sends the resetting of set-top box password
Request.When set-top box front-end receives set-top box password resetting request, it will requested according to set-top box password resetting to machine top
Box sends the instruction of resetting set-top box password.
If the errors number that user inputs CA password is more than pre-determined number, forward end CA system sends set-top box password weight
Set request.When front end CA system receives CA password resetting request, it will sent according to CA password resetting request to set-top box
The instruction of CA password is reset, which is the successfully modified instruction of CA password, informs that CA password has been reset.
4, the instruction of set top box receiver top box front end issues resetting set-top box password and/CA password prompts user to repair
Change the set-top box password and/CA password of front end modification.After set-top box receives the instruction, which will be become from locking
Modify the state of set-top box password and/CA password.
Set-top box can prompt user to modify set-top box password and CA password in last day monthly.
CA password is generally made of discontinuous number or different number, prevents from being tried out by user.
Through the invention, user can not need user and go to lock manually when searching for high-level program automatically plus lock.
For high-level program, user will not only input CA password, also input set-top box password, and single password is avoided to be easy subject
Out, the safety that high-level program plays is increased.
The present invention also increases the limitation of bad password number, reduces the probability that user guesss out password by repeatedly test.
In addition, set-top box password needs number key and other key combinations, safety is increased.
Based on inventive concept identical with program shown in fig. 6 broadcasting encryption method, the embodiment of the present application also provides one
Kind program plays encryption device, as described in following example.Since the program plays the principle and section that encryption device solves the problems, such as
Mesh broadcasting encryption method is similar, therefore the implementation of program broadcasting encryption device may refer to the reality that program plays encryption method
It applies, overlaps will not be repeated.
Fig. 7 is that the program of the embodiment of the present invention plays the structural block diagram of encryption device.Add as shown in fig. 7, the program plays
Close device includes: equipment list receiving unit 701, resolution unit 702 and encryption unit 703.
Equipment list receiving unit 701 is used for the system device table that receiving front-end issues, and is equipped with and retouches in the system device table
State the private setting descriptor of program generic；
Resolution unit 702 obtains classification belonging to the program for parsing the private setting descriptor；
Encryption unit 703 is used to be to encrypt the program of class plus set-top box password for affiliated classification.
As shown in figure 8, in one embodiment, which plays encryption device further include: playing request receiving unit 704 and
First prompt unit 705.
Playing request receiving unit 704 is used to receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, the first prompt is single
Member 705 is for prompting user to input set-top box password.
It is encryption class program, and user first when judging that user requests the program played according to the program playing request
When secondary request plays the encryption class program, the first prompt unit 705 is also used to that user is prompted to modify set-top box password.
As shown in figure 9, in one embodiment, which plays encryption device further include: CA password acceptance unit 901 is used
In the CA password that receiving front-end CA system classification according to belonging to program issues.
As shown in Figure 10, in one embodiment, which plays encryption device further include: playing request receiving unit 902
And second prompt unit 903.
Playing request receiving unit 902 is used to receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, the second prompt is single
Member 903 is for prompting user to input set-top box password and CA password.
In one embodiment, when according to the program playing request judge user request play program be encryption class program
When, and when user's first time request broadcasting encryption class program, the second prompt unit 903 is also used to: prompt user modifies machine
Top box password and CA password.
As shown in figure 11, which plays encryption device further include: the first judging unit 706, the first resetting request are sent
Unit 707 and setting prompt unit 708.
Whether the errors number that the first judging unit 706 is used to judge that user inputs set-top box password is more than pre-determined number；
First resetting request transmitting unit 707 is used to send the resetting request of set-top box password to the front end；
Prompt unit 708 is set for receiving the instruction for the resetting set-top box password that the front end issues, user is prompted to repair
Change the set-top box password of front end setting.
As shown in figure 12, which plays encryption device further include: second judges judging unit 904, the second resetting request
Transmission unit 905 and modification prompt unit 906.
Second judges whether errors number of the judging unit 904 for judging that user inputs CA password is more than pre-determined number；
Second resetting request transmitting unit 905 is used to send the resetting request of CA password to the front end CA system；
Modification prompt unit 906 is used to receive the instruction for the resetting set-top box password that the front end CA system issues, and prompts
User modifies the set-top box password of front end CA system setting.
In one embodiment, set-top box password is the combination of digital keys and other keys on remote controler.
In one embodiment, CA password is made of discontinuous number or different number.
Through the invention, user can not need user and go to lock manually when searching for high-level program automatically plus lock.
For high-level program, user will not only input CA password, also input set-top box password, and single password is avoided to be easy subject
Out, the safety that high-level program plays is increased.
The present invention also increases the limitation of bad password number, reduces the probability that user guesss out password by repeatedly test.
In addition, set-top box password needs number key and other key combinations, safety is increased.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (24)
1. a kind of program plays encryption method characterized by comprising
The private setting descriptor of program is added in system device table by the headend equipment of set-top box, is remembered in the private setting descriptor
Classification belonging to the program has been carried, and the program for encrypting class has been added in high-level program category；
The system device table is issued to set-top box, generates set-top box password to control the set-top box；And
CA system classification according to belonging to the program issues CA password to the set-top box.
2. program according to claim 1 plays encryption method, which is characterized in that further include:
Receive the set-top box password resetting request that the set-top box is sent；
The instruction of request generation resetting set-top box password is reset according to the set-top box password and the instruction is issued to the machine
Top box.
3. program according to claim 2 plays encryption method, which is characterized in that also described in the private setting descriptor
Subtab and the sub- length of description are described.
4. a kind of program plays encryption method characterized by comprising
The system device table that set-top box receiving front-end issues is equipped with the privately owned of description program generic in the system device table
Descriptor, and the program for encrypting class is added in high-level program category；The private setting descriptor is parsed, the program is obtained
Affiliated classification；
It is to encrypt the program of class plus set-top box password by affiliated classification；
The CA password that receiving front-end CA system classification according to belonging to program issues.
5. program according to claim 4 plays encryption method, which is characterized in that further include:
Receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, user is prompted to input machine
Top box password.
6. program according to claim 5 plays encryption method, which is characterized in that further include:
When according to the program playing request judge user request play program for encryption class program, and user first time ask
When seeking the broadcasting encryption class program, user is prompted to modify set-top box password.
7. program according to claim 4 plays encryption method, which is characterized in that further include:
Receive the program playing request of user；
When judging that user requests the program played as encryption class program according to the program playing request, user is prompted to input machine
Top box password and CA password.
8. program according to claim 7 plays encryption method, which is characterized in that further include:
When judging that user requests the program played as encryption class program according to the program playing request, and user is for the first time
When request plays the encryption class program, user is prompted to modify set-top box password and CA password.
9. the program according to any one of claim 4-8 plays encryption method, which is characterized in that further include:
Whether the errors number for judging that user inputs set-top box password is more than pre-determined number；
If so, sending the resetting request of set-top box password to the front end；
The instruction for receiving the resetting set-top box password that the front end issues, prompts user to modify the set-top box password of front end setting.
10. playing encryption method according to program described in claim 4,7 or 8, which is characterized in that further include:
Whether the errors number for judging that user inputs CA password is more than pre-determined number；
If so, sending the resetting request of CA password to the front end CA system；
The instruction for receiving the resetting set-top box password that the front end CA system issues, prompts user to modify the setting of front end CA system
Set-top box password.
11. the program according to any one of claim 4-8 plays encryption method, which is characterized in that the set-top box is close
Code is the combination of digital keys and other keys on remote controler.
12. playing encryption method according to program described in claim 4,7 or 8, which is characterized in that the CA password is by discontinuous
It is digital or different number composition.
13. a kind of program plays encryption device characterized by comprising
Descriptor adding unit is remembered in the private setting descriptor for adding the private setting descriptor of program in system device table
Classification belonging to the program has been carried, and the program for encrypting class has been added in high-level program category；
Equipment list issuance unit generates set-top box for issuing the system device table to set-top box to control the set-top box
Password；
CA password issuance unit issues CA password to the set-top box for CA system classification according to belonging to the program.
14. program according to claim 13 plays encryption device, which is characterized in that further include:
Request reception unit, the set-top box password resetting request sent for receiving the set-top box；
Password generation unit, for according to the set-top box password reset request generate resetting set-top box password instruction and should
Instruction is issued to the set-top box.
15. program according to claim 14 plays encryption device, which is characterized in that also recorded in the private setting descriptor
Description subtab and the sub- length of description.
16. a kind of program plays encryption device characterized by comprising
Equipment list receiving unit is equipped with description program for the system device table that receiving front-end issues, in the system device table
The private setting descriptor of generic, and the program for encrypting class is added in high-level program category；
Resolution unit obtains classification belonging to the program for parsing the private setting descriptor；
Encryption unit, for being to encrypt the program of class plus set-top box password by affiliated classification；
CA password acceptance unit, the CA password issued for receiving front-end CA system classification according to belonging to program.
17. program according to claim 16 plays encryption device, which is characterized in that further include:
Playing request receiving unit, for receiving the program playing request of user；
First prompt unit, when judging that user requests the program played as encryption class program according to the program playing request,
For prompting user to input set-top box password.
18. program according to claim 17 plays encryption device, which is characterized in that first prompt unit is also used
In: when according to the program playing request judge user request play program for encryption class program, and user first time ask
When seeking the broadcasting encryption class program, user is prompted to modify set-top box password.
19. program according to claim 16 plays encryption device, which is characterized in that further include:
Second prompt unit, when judging that user requests the program played as encryption class program according to the program playing request,
For prompting user to input set-top box password and CA password.
20. program according to claim 19 plays encryption device, which is characterized in that second prompt unit is also used
In: when judging that user requests the program played as encryption class program according to the program playing request, and user is for the first time
When request plays the encryption class program, user is prompted to modify set-top box password and CA password.
21. program described in any one of 6-20 plays encryption device according to claim 1, which is characterized in that further include:
First judging unit, whether the errors number for judging that user inputs set-top box password is more than pre-determined number；
First resetting request transmitting unit, for sending the resetting request of set-top box password to the front end；
Prompt unit is set, for receiving the instruction for the resetting set-top box password that the front end issues, user is prompted to modify front end
The set-top box password of setting.
22. program described in 6,19 or 20 plays encryption device according to claim 1, which is characterized in that further include:
Second judges judging unit, and whether the errors number for judging that user inputs CA password is more than pre-determined number；
Second resetting request transmitting unit, for sending the resetting request of CA password to the front end CA system；
Prompt unit is modified, for receiving the instruction for the resetting set-top box password that the front end CA system issues, user is prompted to repair
Change the set-top box password of front end CA system setting.
23. program described in any one of 6-20 plays encryption device according to claim 1, which is characterized in that the set-top box
Password is the combination of digital keys and other keys on remote controler.
24. program described in 6,19 or 20 plays encryption device according to claim 1, which is characterized in that the CA password is not by
Continuous number or different number composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725945.4A CN105338407B (en) | 2015-10-30 | 2015-10-30 | Program plays encryption method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725945.4A CN105338407B (en) | 2015-10-30 | 2015-10-30 | Program plays encryption method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105338407A CN105338407A (en) | 2016-02-17 |
| CN105338407B true CN105338407B (en) | 2019-01-04 |
Family
ID=55288629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510725945.4A Active CN105338407B (en) | 2015-10-30 | 2015-10-30 | Program plays encryption method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105338407B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948693B (en) * | 2017-12-26 | 2020-07-14 | 深圳Tcl新技术有限公司 | Method for controlling television program playing, television and computer readable storage medium |
| CN111726662A (en) * | 2020-05-09 | 2020-09-29 | 广州视源电子科技股份有限公司 | Television use management method and device, television and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247484A (en) * | 2007-02-13 | 2008-08-20 | 厦门华侨电子股份有限公司 | Television receiver and television single-selection receiving control method |
| CN101931785A (en) * | 2010-08-27 | 2010-12-29 | 深圳市同洲电子股份有限公司 | Encrypting method of television programs, mobile terminal and system |
| CN102404636A (en) * | 2010-09-13 | 2012-04-04 | 康佳集团股份有限公司 | Digital set top box program management method and digital set top box |
| CN102611929A (en) * | 2011-12-23 | 2012-07-25 | 福建新大陆通信科技股份有限公司 | Regional control method of digital television set-top box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8238559B2 (en) * | 2008-04-02 | 2012-08-07 | Qwest Communications International Inc. | IPTV follow me content system and method |
-
2015
- 2015-10-30 CN CN201510725945.4A patent/CN105338407B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247484A (en) * | 2007-02-13 | 2008-08-20 | 厦门华侨电子股份有限公司 | Television receiver and television single-selection receiving control method |
| CN101931785A (en) * | 2010-08-27 | 2010-12-29 | 深圳市同洲电子股份有限公司 | Encrypting method of television programs, mobile terminal and system |
| CN102404636A (en) * | 2010-09-13 | 2012-04-04 | 康佳集团股份有限公司 | Digital set top box program management method and digital set top box |
| CN102611929A (en) * | 2011-12-23 | 2012-07-25 | 福建新大陆通信科技股份有限公司 | Regional control method of digital television set-top box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105338407A (en) | 2016-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9049496B2 (en) | Media source identification | |
| US11381551B2 (en) | Systems and methods for connecting private devices to public devices according to connection parameters | |
| CN104519386A (en) | Realizing of a media request by a one-way set top box | |
| JP5961164B2 (en) | Broadcast-communication cooperative receiver and resource access control program | |
| CN104811773A (en) | Hotlinking prevention-based channel playing implementation method, system and equipment | |
| JP2012514940A (en) | Method, apparatus and system for pre-authentication and maintenance of content protection port | |
| CN106302366A (en) | A kind of data transmission method, device and intelligent television system | |
| CN103081459A (en) | Image display apparatus and image displaying method thereof | |
| US20200280765A1 (en) | Display apparatus, information terminal and information processing method | |
| CN105338407B (en) | Program plays encryption method and device | |
| CN104796737A (en) | Group-based channel play implementing method, system and equipment | |
| CN101415082A (en) | Control method and apparatus for playing program | |
| JP2009176099A (en) | Content output authentication system | |
| KR20120062550A (en) | Method for providing multi screen service based on terminal authentication and apparatus thereof | |
| CN109379607B (en) | Channel playing method, device and medium | |
| CN106575423B (en) | Broadcast link service based on cloud streaming media, broadcast link service client device, and trigger content providing server | |
| CN101729176B (en) | Method, system and device for synchronizing authentication information in broadcasting service | |
| CN106101745A (en) | A kind of video broadcasting method and system | |
| TWI514859B (en) | Cascading dynamic crypto periods | |
| US9674306B2 (en) | Method and system for communicating from a client device to a server device in a centralized content distribution system | |
| CN101778254A (en) | Channel switching authentication device and method | |
| CN103997664A (en) | Descrambling method and system for audio and video streams | |
| US20110107080A1 (en) | Data broadcasting system, server and program storage medium | |
| CN108259962B (en) | Program switching method, set top box and storage medium | |
| CN105959738A (en) | Bidirectional conditional access system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |