CN104486677A - Set top box data playing method, playing system and set top box - Google Patents
Set top box data playing method, playing system and set top box Download PDFInfo
- Publication number
- CN104486677A CN104486677A CN201410851876.7A CN201410851876A CN104486677A CN 104486677 A CN104486677 A CN 104486677A CN 201410851876 A CN201410851876 A CN 201410851876A CN 104486677 A CN104486677 A CN 104486677A
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- CN
- China
- Prior art keywords
- program
- key
- data
- receivers
- top box
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- 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.)
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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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention is applicable to the field of data transmission and provides a set top box data playing method, a playing system and a set top box. The set top box data playing method includes the steps that identical safety data are preset in a program player and a program receiver; the program receiver generates and stores a first secret key and a second secret key according to the safety data, and the program receiver generates and stores the first secret key and the second secret key according to the safety data; the program receiver sends the program data to the program player according to the first secret key and the second secret key; the program player plays the received program data. The program player and the program receiver of the set top box generate the first secret key and the second secret key according to the same safety data, the program receiver safely transmits the program data to the program player according to the first secret key and the second secret key, the program player plays the program data, the program data are prevented from being stolen, and the benefits of an operator are guaranteed.
Description
Technical field
The invention belongs to field of data transmission, particularly relate to a kind of player method of data of set top box, Play System and Set Top Box.
Background technology
Become the important leisure project of present people by Set Top Box viewing digital television program, compared with traditional analog television program, digital television program have review, program request, recorded broadcast, many convenient features such as fixed time airplay.But carry out in the process of program data transmission between the player and receiver of Set Top Box, program data is easy to stolen, the interests of operator are easy to be invaded.
Summary of the invention
Given this, the invention provides a kind of player method of data of set top box, Play System and Set Top Box, to solve the easily stolen technical problem of prior art program data.
The embodiment of the present invention is achieved in that a kind of player method of data of set top box, said method comprising the steps of:
Identical secure data is preset respectively in show player with Program receivers
Show player generates and stores the first key and the second key according to described secure data, and Program receivers generates and stores described first key and the second key according to described secure data;
Program data is sent to described show player according to described first key and described second key by described Program receivers;
Described show player plays the described program data received.
The embodiment of the present invention also provides a kind of Play System of data of set top box, and described system comprises:
Preset unit, for presetting identical secure data in show player respectively with Program receivers;
Generation unit, the secure data preset according to described default unit for show player generates and stores the first key and the second key, and the secure data that Program receivers is preset according to described default unit generates and stores described first key and the second key;
Transmitting element, program data is sent to described show player by the first key generated according to described generation unit for Program receivers and described second key;
Broadcast unit, plays the program data of described transmitting element transmission for described show player.
The embodiment of the present invention additionally provides a kind of Set Top Box, and described Set Top Box comprises Play System as above.
The embodiment of the present invention, the show player of Set Top Box generates the first key and the second key with Program receivers according to identical secure data, Program receivers according to the first key and the second key by the Program Transport player of program data safety, show player broadcast program data, make program data can not be stolen in transmitting procedure, ensure that the interests of operator.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the data of set top box player method that the embodiment of the present invention provides;
Fig. 2 is the structure chart of the data of set top box Play System that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
Embodiment one
Be illustrated in figure 1 the flow chart of the data of set top box player method that the embodiment of the present invention provides, said method comprising the steps of:
Step S101, presets identical secure data respectively in show player with Program receivers.
In embodiments of the present invention, show player and Program receivers are before use of dispatching from the factory, all can preset corresponding secure data in its memory cell, to make in subsequent step, show player and Program receivers carry out the security verification of program data according to this secure data.
Step S102, show player generates and stores the first key and the second key according to described secure data, and Program receivers generates and stores described first key and the second key according to described secure data.
In embodiments of the present invention, the show player of Set Top Box and Program receivers are when producing, identical secure data (secure data namely preset) is stored in its memory cell, when needs program data, show player and Program receivers generate the first key and the second key according to the secure data preset.
Step S103, program data is sent to described show player according to described first key and described second key by described Program receivers.
In embodiments of the present invention, be sent in the process of show player at Program receivers by program data, Program receivers carries out the security verification in program data process of transmitting according to above-mentioned first key and the second key.Program data is sent to the step of described show player by described Program receivers according to described first key and described second key, be specially:
1, described show player is by described first secret key encryption program request instruction, and described program request instruction is sent to described Program receivers.
In embodiments of the present invention, when the show player of Set Top Box needs broadcast program, need the Program receivers request program data to Set Top Box, namely program request instruction is sent to Program receivers, this program request instruction is through the first secret key encryption, and the Program receivers only holding identical first key just can decipher this program request instruction.
2, described Program receivers program request instruction according to described first secret key decryption, and judge that whether described program request instruction is correct.
In embodiments of the present invention, the first key in Program receivers is identical with the first key in show player, therefore Program receivers can pass through the first secret key decryption program request instruction, decrypted program request instruction, Program receivers also needs to judge the correctness of program request instruction, the process carrying out judging is different according to the difference of practical application, does not repeat at this.
If be judged as correct described in 3, the program data through described second secret key encryption is sent to described show player by described Program receivers.
In embodiments of the present invention, if be judged as correct, Program receivers is encrypted according to the program data of the second double secret key request, and the program data through encryption is sent to show player.
Step S104, described show player plays the described program data received.
The embodiment of the present invention, the show player of Set Top Box generates the first key and the second key with Program receivers according to identical secure data, Program receivers according to the first key and the second key by the Program Transport player of program data safety, show player broadcast program data, make program data can not be stolen in transmitting procedure, ensure that the interests of operator.
As an embodiment of the present invention, described Program receivers is fiber optic receiver.
Embodiment two
Be illustrated in figure 2 the structure chart of the data of set top box Play System that the embodiment of the present invention provides, for convenience of explanation, the part relevant to the embodiment of the present invention be only shown, comprise:
Preset unit 201, for presetting identical secure data in show player respectively with Program receivers.
In embodiments of the present invention, show player and Program receivers are before use of dispatching from the factory, all can preset corresponding secure data in its memory cell, to make in subsequent step, show player and Program receivers carry out the security verification of program data according to this secure data.
Generation unit 202, the secure data preset according to described default unit for show player generates and stores the first key and the second key, and the secure data that Program receivers is preset according to described default unit generates and stores described first key and the second key.
In embodiments of the present invention, the show player of Set Top Box and Program receivers are when producing, identical secure data (secure data namely preset) is stored in its memory cell, when needs program data, generation unit 202 generates the first key and the second key according to the secure data preset in show player and Program receivers.
Transmitting element 203, program data is sent to described show player by the first key generated according to described generation unit 202 for Program receivers and described second key.
In embodiments of the present invention, be sent in the process of show player at transmitting element 203 by Program receivers by program data, Program receivers carries out the security verification in program data process of transmitting according to above-mentioned first key and the second key.Described transmitting element 203, comprising:
Program request instruction sends subelement 2031, for show player by described first secret key encryption program request instruction, and described program request instruction is sent to described Program receivers.
In embodiments of the present invention, when the show player of Set Top Box needs broadcast program, need the Program receivers request program data to Set Top Box, namely program request instruction is sent to Program receivers, this program request instruction is through the first secret key encryption, and the Program receivers only holding identical first key just can decipher this program request instruction.
Judgment sub-unit 2032, sends the program request instruction of subelement 2031 transmission for the program request instruction according to described first secret key decryption of described Program receivers, and judges that whether described program request instruction is correct.
In embodiments of the present invention, the first key in Program receivers is identical with the first key in show player, therefore Program receivers can pass through the first secret key decryption program request instruction, decrypted program request instruction, Program receivers also needs to judge the correctness of program request instruction, the process carrying out judging is different according to the difference of practical application, does not repeat at this.
Program data sends subelement 2033, if be correct for the judgement of described judgment sub-unit 2032, the program data through described second secret key encryption is sent to described show player by described Program receivers.
In embodiments of the present invention, if be judged as correct, Program receivers is encrypted according to the program data of the second double secret key request, and program data sends subelement 2033 and the program data through encryption is sent to show player.
Broadcast unit 204, plays the program data of described transmitting element 203 transmission for described show player.
The embodiment of the present invention, the show player of Set Top Box generates the first key and the second key with Program receivers according to identical secure data, Program receivers according to the first key and the second key by the Program Transport player of program data safety, show player broadcast program data, make program data can not be stolen in transmitting procedure, ensure that the interests of operator.
As an embodiment of the present invention, described Program receivers is fiber optic receiver.
In embodiments of the present invention, the transformation period of preset state character, when status word exceed Preset Time do not change time, non-changing push unit is described user's transmission service.Better more business can be pushed to user by this embodiment.
One of ordinary skill in the art will appreciate that the unit included by above-described embodiment two is carry out dividing according to function logic, but be not limited to above-mentioned division, as long as corresponding function can be realized; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
The embodiment of the present invention additionally provides a kind of Set Top Box, and described Set Top Box comprises Play System as above.
Those of ordinary skill in the art it is also understood that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, comprises ROM/RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a player method for data of set top box, is characterized in that, said method comprising the steps of:
Identical secure data is preset respectively in show player with Program receivers;
Show player generates and stores the first key and the second key according to described secure data, and Program receivers generates and stores described first key and the second key according to described secure data;
Program data is sent to described show player according to described first key and described second key by described Program receivers;
Described show player plays the described program data received.
2. the method for claim 1, is characterized in that, described Program receivers is fiber optic receiver.
3. the method for claim 1, is characterized in that, program data is sent to the step of described show player by described Program receivers according to described first key and described second key, be specially:
Described program request instruction by described first secret key encryption program request instruction, and is sent to described Program receivers by described show player;
The program request instruction according to described first secret key decryption of described Program receivers, and judge that whether described program request instruction is correct;
If described in be judged as correct, the program data through described second secret key encryption is sent to described show player by described Program receivers.
4. a Play System for data of set top box, is characterized in that, described system comprises:
Preset unit, for presetting identical secure data in show player respectively with Program receivers;
Generation unit, the secure data preset according to described default unit for show player generates and stores the first key and the second key, and the secure data that Program receivers is preset according to described default unit generates and stores described first key and the second key;
Transmitting element, program data is sent to described show player by the first key generated according to described generation unit for Program receivers and described second key;
Broadcast unit, plays the program data of described transmitting element transmission for described show player.
5. system as claimed in claim 4, it is characterized in that, described Program receivers is fiber optic receiver.
6. system as claimed in claim 4, it is characterized in that, described transmitting element, comprising:
Program request instruction sends subelement, for show player by described first secret key encryption program request instruction, and described program request instruction is sent to described Program receivers;
Judgment sub-unit, sends the program request instruction of subelement transmission for the program request instruction according to described first secret key decryption of described Program receivers, and judges that whether described program request instruction is correct;
Program data sends subelement, if be correct for the judgement of described judgment sub-unit, the program data through described second secret key encryption is sent to described show player by described Program receivers.
7. a Set Top Box, is characterized in that, described Set Top Box comprises the Play System as described in any one of claim 4 ~ 6.
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CN201410851876.7A CN104486677A (en) | 2014-12-31 | 2014-12-31 | Set top box data playing method, playing system and set top box |
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CN201410851876.7A CN104486677A (en) | 2014-12-31 | 2014-12-31 | Set top box data playing method, playing system and set top box |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106973325A (en) * | 2017-03-29 | 2017-07-21 | 成都三零凯天通信实业有限公司 | Terrestrial digital television set box receives the safety recognizing method of signal |
CN109005450A (en) * | 2018-07-16 | 2018-12-14 | 广州辉群智能科技有限公司 | A kind of broadcast controlling method and device of broadcasting equipment |
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CN101197987A (en) * | 2006-12-08 | 2008-06-11 | 上海全景数字技术有限公司 | Digital television program recording and playback method and system |
CN102427561A (en) * | 2011-10-24 | 2012-04-25 | 山东泰信电子有限公司 | Method for preventing VOD (Video-On-Demand) programs from being illegally spread and shared |
US20140373042A1 (en) * | 2013-05-07 | 2014-12-18 | Nagravision S.A. | Method and system for secure processing a stream of encrypted digital audio/video data |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101197987A (en) * | 2006-12-08 | 2008-06-11 | 上海全景数字技术有限公司 | Digital television program recording and playback method and system |
CN102427561A (en) * | 2011-10-24 | 2012-04-25 | 山东泰信电子有限公司 | Method for preventing VOD (Video-On-Demand) programs from being illegally spread and shared |
US20140373042A1 (en) * | 2013-05-07 | 2014-12-18 | Nagravision S.A. | Method and system for secure processing a stream of encrypted digital audio/video data |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106973325A (en) * | 2017-03-29 | 2017-07-21 | 成都三零凯天通信实业有限公司 | Terrestrial digital television set box receives the safety recognizing method of signal |
CN109005450A (en) * | 2018-07-16 | 2018-12-14 | 广州辉群智能科技有限公司 | A kind of broadcast controlling method and device of broadcasting equipment |
CN109005450B (en) * | 2018-07-16 | 2021-05-18 | 广州辉群智能科技有限公司 | Broadcast control method and device of broadcast equipment |
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Effective date of abandoning: 20180504 |