CN106210805B - A kind of control method and system for realizing broadcasting content safety using set-top box - Google Patents
A kind of control method and system for realizing broadcasting content safety using set-top box Download PDFInfo
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- CN106210805B CN106210805B CN201610670136.2A CN201610670136A CN106210805B CN 106210805 B CN106210805 B CN 106210805B CN 201610670136 A CN201610670136 A CN 201610670136A CN 106210805 B CN106210805 B CN 106210805B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26241—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the time of distribution, e.g. the best time of the day for inserting an advertisement or airing a children program
Abstract
The invention discloses a kind of control methods that broadcasting content safety is realized using set-top box, and by adding safety control server in TV network front-end platform, the timetable of safe broadcast beginning and end is arranged in safety control server；Safety control server carries out judgement and carries out control instruction with set-top box according to judging result to interact according to timetable to current time value；Set-top box saves the setting in instructing after receiving safety control server instruction；When set-top box executes external information every time shows the function of business, first the instruction from safety control server is judged, if security control instructs, then set-top box executes security control operation flow；If conventional control instructs, then set-top box executes conventional control operation flow.The present invention, which can achieve, to be prevented external flame from entering set-top box and is broadcast to the purpose of spectators by set-top box in the safe broadcast guarantee phase.
Description
Technical field
The invention belongs to digital television techniques scope more particularly to a kind of controls that broadcasting content safety is realized using set-top box
Method and system processed.
Background technique
Digital television techniques are popularized in China, and digital-TV operator is that user is equipped with DTV STB
Come the TV programme for receiving with being propagated in display TV network, meanwhile, digital-TV operator is also provided such as by set-top box
Various types of additional service informations such as set-top box advertisement, mail, real time information, wherein set-top box advertising business information includes
The forms such as startup advertisement, zapping advertisement, EPG advertisement, volume bar advertisement.Above-mentioned supplementary service has common feature: set-top box
Business information is obtained from outside and is shown, this kind of supplementary service is referred to as external information and shows business by us.User exists
Manipulate set-top box during, some external informations show business information (such as zapping advertisement, volume bar advertisement, EPG advertisement,
Real time information etc.) it can be superimposed upon on current picture and shown；Some external informations show business information (such as startup advertisement,
Mail etc.) it can independently be shown.
External information shows that the business tine information of business is responsible for management by the operation system in digital TV front-end platform
With broadcast, perhaps shown immediately or when set-top box is got after external information shows the content information of business by content
Information preservation is shown in set-top box memory bank and in different application scene through video screen.With real time information business
For, when set-top box receive front end service system transmission real time information after immediately by information superposition on current picture or
It is shown in a manner of roll titles；Again by taking set-top box zapping advertising business as an example, before set-top box gets DTV
It is saved it in memory bank after advertising pictures in the platform of end in advertising business system, advertising pictures can execute switching in user
Television channel is shown on the tv screen during operating；Again by taking mail service as an example, when set-top box gets front-end platform
E-mail messages after save it in memory bank, user browse mail when Mail Contents are shown.
In China, safe broadcast is the top priority of digital-TV operator, content safety be safe broadcast emphasis it
One, there are many periods to be confirmed as safe broadcast every year and ensure the phase, within the safe broadcast guarantee phase on user's video screen not
Harmful content must occur is the basic demand to digital-TV operator.Number and interactive television epoch, in addition to TV to be ensured
Outside the safety of program own content, the external information shown by set-top box shows that the safety of the content of business is also to ensure
One of emphasis, therefore, external information show that business is one of major hidden danger of safe broadcast, it is necessary to effective technology measure be taken to protect
Hinder the content security that set-top box external information shows business.
For the content security for how ensureing that set-top box external information shows business, currently, the technical side that industry is taken
Case is to carry out security protection for front-end platform, and multimeshed network safety is constructed by using various security of network and information technologies
And Information Security Defense System, flame is contained to prevent front-end platform from destroying by attack and be utilized to play with this
Content.Not only implementation cost is high for this technical solution, but also is in passive protection situation.
Summary of the invention
The purpose of the present invention is to provide a kind of control methods that broadcasting content safety is realized using set-top box, using the party
Method can prevent set-top box from getting the information containing harmful content, it is ensured that set-top box is in television screen in the safe broadcast guarantee phase
The safety of content is shown on curtain.
To achieve the above object, a kind of control method for realizing broadcasting content safety using set-top box, by television network
Road front-end platform adds safety control server, and the time of safe broadcast beginning and end is arranged in safety control server
Table；Safety control server judge and controlled according to judging result and set-top box to current time value according to timetable
Instruction interaction；Set-top box saves the setting in instructing after receiving safety control server instruction；Outside set-top box executes every time
When the function of portion's information display service, first the instruction from safety control server is judged, if security control instructs,
Then set-top box executes security control operation flow；If conventional control instructs, then set-top box executes conventional control operation flow.
Method as described above, the timetable that safe broadcast beginning and end is arranged in safety control server are also referred to as pacified
Full broadcast time table.
Method as described above, security control instruction and conventional control instruction belong to control instruction, are in security control service
The formatted data of stipulative definition is carried out between device and STB terminal, director data defines data value and STB terminal operates
Between corresponding relationship (such as director data value be " 0x00 " when, corresponding set top box operations be execute conventional control operation flow；
Director data value be " 0x01 " when, corresponding set top box operations be execute security control operation flow), security control instruction and often
Rule control instruction is broadcast from safety control server to STB terminal, and STB terminal receives control instruction, is carried out to instruction
Parsing executes corresponding operating according to instruction definition.
Method as described above, conventional control operation flow and security control operation flow are shown for set-top box external information
Selectable two different business processes of service definition, wherein conventional control operation flow is defined as set-top box and normally obtains
External information content；Security control operation flow is defined as set-top box refusal and obtains external information content.In practical application, for
Set-top box advertising business, security control operation flow may be defined as set-top box and do not obtain external advertisements picture file；For mail
Business, security control operation flow may be defined as set-top box and do not obtain Outside Mail；For real time information business, security control industry
Business process may be defined as set-top box and not obtain external real time information.Through as defined above, when set-top box executes security control Business Stream
The information content in front end service system will not be obtained when journey, to avoid receiving the information containing harmful content and be broadcast to
Spectators.
Method as described above, safety control server carry out one of mode that control instruction interacts with set-top box as broadcaster
Formula actively broadcasts control instruction by safety control server, the detailed process of broadcast mode: safety control server judgement is current
Time whether at the beginning of in timetable between the end time, if safety control server broadcasts always safety
Control instruction；If it is not, then safety control server broadcasts always conventional control instruction.
Method as described above, safety control server carry out one of mode that control instruction interacts with set-top box as requesting party
Formula, request method include two kinds of concrete modes, and mode one has from set-top box to safety control server request control instruction
Body process: set-top box issues the request for obtaining control instruction to safety control server, and safety control server receives request
Judge afterwards current time whether at the beginning of in timetable between the end time, if, to set-top box send safety
Control instruction；If not existing, conventional control instruction is sent to set-top box.Mode two is from safety control server to set-top box requests
Send control instruction, detailed process: safety control server issues the request for sending control instruction to set-top box, and set-top box receives
Carry out response after to request, safety control server receives at the beginning of judge that current time is whether in timetable after response
Between between the end time, if, to set-top box send security control instruction；If not existing, conventional control is sent to set-top box
System instruction.
A kind of control system for realizing broadcasting content safety using set-top box, including safety control server and set-top box,
Wherein, safety control server is arranged and broadcasts control instruction for safe broadcast timetable to be arranged；One is arranged in set-top box
Client modules, the control instruction broadcast for receiving and saving safety control server.
The present invention realizes that using set-top box to show external information controls, especially pacifying for the first time in TV network
During full broadcast, the present invention can form a kind of safe broadcast guarantee with the defense system of front end multimeshed network safety and information security
Technical complementation simply and reliablely realizes that the safe broadcast in TV network, implementation cost are also low.
Detailed description of the invention
Fig. 1 is the flow chart of the control method according to the present invention that broadcasting content safety is realized using set-top box；
Fig. 2 is the frame implemented in the common technical system of broadcast television industry digital-TV operator at home of the invention
Figure.
Fig. 3 is the frame diagram implemented in the common technical system of telecommunications industry IPTV platform at home of the invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, realization technical solution of the present invention is further described.
It is real in the present invention at home most common technical system of broadcast television industry digital-TV operator with reference to Fig. 2
The frame diagram applied, the system include interactive service platform, DVB One-to-All Broadcast business platform, TCP/IP bilateral network, One-to-All Broadcast
Network and STB terminal.Wherein, DVB One-to-All Broadcast business platform is used to provide unidirectional direct broadcast television services, this implementation
The platform is utilized to realize safety control server function of the invention and include control in specified physics frequency point broadcast transmission in example
The data flow of instruction.DVB One-to-All Broadcast business platform include SI system (digital television business information system), multiplex system and its
His One-to-All Broadcast operation system, wherein the function of safety control server of the invention can be realized in SI system, for being arranged
Safe broadcast timetable and setting and broadcast control instruction.Interactive service platform is used to provide interactive service, and interactive service is flat
Platform includes VOD system, terminal management system and interactive increase value traffic system, wherein terminal management system, which provides, is directed to set-top box
The function of the management function of terminal, safety control server of the invention can be realized wherein, for the safe broadcast time is arranged
Table and setting and broadcast control instruction.A client modules are set in corresponding set-top box, for receiving and saving safety
The control instruction that control server is broadcast.
DVB One-to-All Broadcast business platform as described above belongs to a kind of one-way digital television broadcast technology platform.
It should for the frame diagram implemented in the present invention at home common technical system of telecommunications industry IPTV platform with reference to Fig. 3
System includes interactive service platform, IPTV net cast platform, TCP/IP bilateral network and STB terminal.Wherein, IPTV is regarded
Frequency live streaming platform is used to provide direct broadcast television services；Interactive service platform is used to provide interactive service, interactive service platform
Including VOD system, terminal management system and interactive increase value traffic system, wherein terminal management system provides whole for set-top box
The function of the management function at end, safety control server of the invention can be realized wherein, for safe broadcast timetable is arranged
And it is arranged and broadcasts control instruction.A client modules are set in corresponding set-top box, for receiving and saving safe control
The control instruction that control server is broadcast.
In above-mentioned different technologies system, as shown in Figure 1, safety control server carries out current time value according to timetable
Judge and is interacted according to judging result with set-top box progress control instruction；Set-top box is protected after receiving safety control server instruction
Deposit the setting in instruction；When set-top box executes external information every time shows the function of business, first to from security control service
The instruction of device is judged, if security control instructs, then set-top box executes security control operation flow；If conventional control refers to
It enables, then set-top box executes conventional control operation flow.
Embodiment 1
The present embodiment is implemented in digital TV platform and network environment as shown in Figure 2, the platform and network rings
The unidirectional cable digital TV broadcasting service for meeting DVB technical standard is not only supported in border, but also is supported based on TCP/IP network technology
Interactive video business.
In the present embodiment, control instruction is broadcast in unidirectional broadcast network using DVB One-to-All Broadcast business platform, is taken in SI
It is engaged in that safety control server function is realized and executed in device.Specific implementation process is as described below.
Bouquet_id=is established in the BAT (service groups contingency table) in the SI system of DVB One-to-All Broadcast business platform
The business group of 0x00FF, and in the business group definition comprising control instruction linkage descriptor (Linkage_type=0x88,
Hereinafter referred to as control instruction descriptor), specific definition is as described in Table 1:
1 control instruction descriptor definition of table
The definition of Control_Byte field is as described in Table 2 in table 1.
Table 2Control_Byte field definition
| Field value | Function definition |
| 0x00 | Set-top box executes conventional control operation flow |
| 0x01 | Set-top box executes security control operation flow |
As shown in table 2, when Control_Byte field value is " 0x00 ", then descriptor is configured to conventional control and refers to
It enables；When Control_Byte field value is " 0x01 ", then descriptor is configured to security control instruction.
Safe broadcast timetable is provided that in safety control server
| Time started | End time |
| 2015.09.30-00:00 | 2015.10.03-23:00 |
| 2016.04.30-01:00 | 2016.05.07-24:00 |
The initial time of each data record definition and the period between the end time belong to safe broadcast in upper table
Guarantee phase, safe broadcast require STB terminal to execute security control operation flow, execute in other times section normal in the guarantee phase
Rule control operation flow.
Set-top box external information shows that the conventional control operation flow of business is defined as set-top box and normally obtains external information
Content；Set-top box external information shows that the security control operation flow of business is defined as set-top box refusal and obtains in external information
Hold.
Carrying out practically process is as follows:
1) safety control server is spaced judges current time at regular intervals, judge current time whether
At the beginning of in timetable between the end time, if, safety control server automatically configures control instruction descriptor,
The value that Control_Byte field is arranged is " 0x01 ", and broadcasts the SI data containing the descriptor in specified physics frequency point；If
It is not that then safety control server automatically configures control instruction descriptor, the value of setting Control_Byte field is " 0x00 ",
And the SI data containing the descriptor are broadcast in specified physics frequency point；
2) set-top box client module receives control instruction descriptor in specified physics frequency point, saves the setting in instruction；
3) it when set-top box, which executes external information, shows the function of business, is actively broadcast to from safety control server first
The instruction of hair is judged, that is, judges the value of Control_Byte field, and if " 0x01 ", then set-top box executes security control industry
The operation of business flow definition；If " 0x00 ", then set-top box executes the operation that conventional control operation flow defines.
Embodiment 2
The present embodiment is implemented in interactive service platform as shown in Figures 2 and 3 and bidirectional network environment, the platform
And network environment supports the interactive video on demand business based on TCP/IP network technology.
In the present embodiment, control instruction is broadcast in TCP/IP bilateral network using interactive service platform, in terminal management
Safety control server function is realized and executed in system.Specific implementation process is as described below.
Specifically, the control command code format being arranged in safety control server is as follows:
| 0xAA (instruction header) | 0x00/0x01 (Control_Byte field) |
Wherein, the value of instruction header is " 0xAA ", indicates that the instruction is control instruction；The value of Control_Byte field is
" 0x00 " and " 0x01 ", wherein " 0x00 " indicates that set-top box executes conventional control operation flow, " 0x01 " indicates that set-top box executes
Security control operation flow.
Safe broadcast timetable is provided that in safety control server
| Time started | End time |
| 2015.09.30-00:00 | 2015.10.03-23:00 |
| 2016.04.30-01:00 | 2016.05.07-24:00 |
The initial time of each data record definition and the period between the end time belong to safe broadcast in upper table
Guarantee phase, safe broadcast require STB terminal to execute security control operation flow, execute in other times section normal in the guarantee phase
Rule control operation flow.
Set-top box external information shows that the conventional control operation flow of business is defined as set-top box and normally obtains external information
Content；Set-top box external information shows that the security control operation flow of business is defined as set-top box refusal and obtains in external information
Hold.
The one of which of following three kinds of operational process can be selected in the present embodiment, is described in detail as follows.
Operational process one, as follows:
1) safety control server is spaced judges current time at regular intervals, judge current time whether
At the beginning of in timetable between the end time, if safety control server configures security control instruction, setting
The value of Control_Byte field is " 0x01 ", and the instruction is broadcast in TCP/IP bilateral network；If it is not, then security control
Server configures conventional control instruction, and the value of setting Control_Byte field is " 0x00 ", and in TCP/IP bilateral network
Broadcast the instruction；
2) set-top box client module receives control instruction, saves the setting in instruction；
3) when set-top box, which executes external information, shows the function of business, first to the instruction from safety control server
Judged, that is, judge the value of Control_Byte field, if " 0x01 ", then it is fixed to execute security control operation flow for set-top box
The operation of justice；If " 0x00 ", then set-top box executes the operation that conventional control operation flow defines.
Operational process two, as follows:
1) set-top box initiates to request to safety control server, and request safety control server sends control instruction data；
2) after safety control server receives the request of set-top box, judge whether current time is located at time started and knot
Between the beam time, if so, safety control server configuration security control instruction, the value of setting Control_Byte field are
" 0x01 ", and the instruction is broadcast in TCP/IP bilateral network；If it is not, then safety control server configuration conventional control refers to
It enables, the value of setting Control_Byte field is " 0x00 ", and the instruction is broadcast in TCP/IP bilateral network；
3) set-top box client module receives control instruction, saves the setting in instruction；
4) when set-top box execute external information show business function when, first to the instruction from safety control server into
Row judgement, that is, judge the value of Control_Byte field, if value is " 0x01 ", it is fixed that set-top box executes security control operation flow
The operation of justice；If value is " 0x00 ", set-top box executes the operation that conventional control operation flow defines.
Set-top box initiates request safety control server hair to safety control server as described in step 1 in operational process two
The request of control instruction data is sent, which can be set-top box and automatically initiate after starting up, is also possible to set-top box and exists
It is initiated in operational process every Fixed Time Interval.
Operational process three, as follows:
1) safety control server issues the request for sending control instruction to set-top box, and request sends control instruction data；
2) set-top box client module receives request backward security control server and issues response；
3) after safety control server receives the response of set-top box, judge whether current time is located at time started and knot
Between the beam time, if so, safety control server configuration security control instruction, the value of setting Control_Byte field are
" 0x01 ", and the instruction is broadcast in TCP/IP bilateral network；If it is not, then safety control server configuration conventional control refers to
It enables, the value of setting Control_Byte field is " 0x00 ", and the instruction is broadcast in TCP/IP bilateral network；
4) set-top box receives control instruction, saves the setting in instruction；
5) when set-top box execute external information show business function when, first to the instruction from safety control server into
Row judgement, that is, judge the value of Control_Byte field, if value is " 0x01 ", it is fixed that set-top box executes security control operation flow
The operation of justice；If value is " 0x00 ", set-top box executes the operation that conventional control operation flow defines.
The present embodiment is equally applicable to internet television platform and Internet set-box terminal.
By implementing to above-mentioned two embodiment, it can be realized and Service Movement Flow is shown to set-top box external information
The purpose controlled provides the technical guarantee based on terminal for safe broadcast.
Described above is two possible embodiments of the invention.Within the technical scope of the present invention, above-described embodiment
Can also there are many kinds of version, as in embodiment 1 can also by one-way digital television broadcast platform and set-top box it
Between define privately owned communication protocol and data format to carry control instruction；For another example, external information shows the security control industry of business
Business process can also be defined as set-top box and obtain but not show external information content.For those skilled in the art, exist
Under enlightenment and guidance of the invention, do not depart from the scope of the present invention, can easily to the present invention various modification can be adapted and become
Change.Therefore, the present invention attempts to be included in the various modifications and variations for making the present invention within the scope of equivalence techniques.
Claims (9)
1. a kind of control method for realizing broadcasting content safety using set-top box, it is characterised in that: by TV network front end
The timetable of safe broadcast beginning and end is arranged in platform additions safety control server in safety control server；Safety
Control server carries out judgement to current time value according to timetable and carries out control instruction friendship according to judging result and set-top box
Mutually；Set-top box saves the setting in instructing after receiving safety control server instruction；When set-top box executes external information every time
When the function of display business, first the instruction from safety control server is judged, if security control instructs, then machine top
Box executes security control operation flow；If conventional control instructs, then set-top box executes conventional control operation flow；
The conventional control operation flow is defined as set-top box and normally obtains external information content；The security control operation flow
It is defined as perhaps being defined as set-top box acquisition in set-top box refusal acquisition external information but does not show external information content.
2. a kind of control method for realizing broadcasting content safety using set-top box according to claim 1, it is characterised in that:
Security control instruction and conventional control instruction are the lattice that stipulative definition is carried out between safety control server and STB terminal
Formula data, formatted data define the corresponding relationship between data value and STB terminal operation.
3. a kind of control method for realizing broadcasting content safety using set-top box according to claim 2, it is characterised in that:
It is broadcast mode that safety control server, which carries out the mode that control instruction interacts with set-top box, is actively broadcast by safety control server
Send out control instruction.
4. a kind of control method for realizing broadcasting content safety using set-top box according to claim 3, it is characterised in that:
The detailed process of the broadcast mode: safety control server judge at the beginning of whether current time in timetable and
Between end time, if safety control server broadcasts always security control instruction；If it is not, then security control service
Device broadcasts always conventional control instruction.
5. a kind of control method for realizing broadcasting content safety using set-top box according to claim 2, it is characterised in that:
It is request method that safety control server, which carries out the mode that control instruction interacts with set-top box,.
6. a kind of control method for realizing broadcasting content safety using set-top box according to claim 5, it is characterised in that:
The request method is set-top box to safety control server request control instruction；Detailed process: set-top box is to safety control
Control server issue obtain control instruction request, safety control server receive request after judge current time whether when
Between in table at the beginning of between the end time, if sending security control instruction to set-top box；If not existing, to machine
Top box sends conventional control instruction.
7. a kind of control method for realizing broadcasting content safety using set-top box according to claim 6, it is characterised in that:
It is that set-top box is automatic after starting up that the set-top box, which issues to safety control server and obtains the request of control instruction data,
It initiates or set-top box is initiated every Fixed Time Interval in the process of running.
8. a kind of control method for realizing broadcasting content safety using set-top box according to claim 5, it is characterised in that:
The request method, which is safety control server, sends control instruction to set-top box requests；Detailed process: safety control server
The request for sending control instruction is issued to set-top box, set-top box carries out response after receiving request, and safety control server receives
Judge after to response current time whether at the beginning of in timetable between the end time, if, to set-top box send out
Security control is sent to instruct；If not existing, conventional control instruction is sent to set-top box.
9. a kind of control system for realizing broadcasting content safety using set-top box, it is characterised in that: including safety control server
And set-top box, wherein safety control server is for being arranged safe broadcast timetable, being arranged and broadcast control instruction；Set-top box
One client modules of middle setting, the control instruction broadcast for receiving and saving safety control server；
Safety control server judge and controlled according to judging result and set-top box to current time value according to timetable
Instruction interaction processed；Set-top box client module saves the setting in instructing after receiving safety control server instruction；When machine top
When box executes the function of external information display business every time, first the instruction from safety control server is judged, if
Security control instruction, then set-top box executes security control operation flow；If conventional control instructs, then set-top box executes conventional control
Operation flow processed；
The conventional control operation flow is defined as set-top box and normally obtains external information content；The security control operation flow
It is defined as perhaps being defined as set-top box acquisition in set-top box refusal acquisition external information but does not show external information content.
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