CN103139551A - Satellite television receiver and update method of application software - Google Patents
Satellite television receiver and update method of application software Download PDFInfo
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- CN103139551A CN103139551A CN 201110393903 CN201110393903A CN103139551A CN 103139551 A CN103139551 A CN 103139551A CN 201110393903 CN201110393903 CN 201110393903 CN 201110393903 A CN201110393903 A CN 201110393903A CN 103139551 A CN103139551 A CN 103139551A
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Abstract
The invention discloses a satellite television receiver which comprises a receive decoder used for verification of codes of application software and download and update of the application software, wherein the application software is used for deciphering encrypting satellite signals received by the satellite television receiver. The invention further discloses an update method of the application software. The satellite television receiver adopts multiple kinds of security guaranty mechanisms to ensure that the receiver can not be cracked and replicated, the satellite television receiver and the update method of the application software can refresh deciphering software of the satellite signals in first time after the satellite signals are re-encrypted, and using convenience and safety of users are both considered.
Description
Technical field
The present invention relates to the update method of a kind of satellite TV receiver and application software, particularly relate to the higher satellite TV receiver of a kind of fail safe and can be automatically performed in the very first time update method of the application software of upgrading operation cracking during re-encrypted.
Background technology
Direct broadcasting satellite " village village logical " engineering is one of China's key project the Eleventh Five-Year Plan period, and main task advances the logical construction in 71.66 ten thousand 20 " blind village " village villages, above natural village, family exactly, solves nearly hundred million people and listens to the radio programme and see the problem of TV difficulty.This ensures peasant's share culture development result to satisfying peasant's inspirit culture needs, guarantees that central government decree is unimpeded, carries out the strategy and policy that the Party Central Committee " prospers the nation with science and education ", promotes whole people's quality to improve, and earth shaking meaning is arranged.
Existing family expenses satellite TV receiver does not carry out fail safe exploitation, the serious consequence that causes be local and overseas some lawless person after cracking the satellite-signal of encryption, transmit TV programme bad, reaction to the user.Destroy the stable political situation of China.
Thus, a kind of fail safe is higher, satellite-signal that encrypt is difficult for being cracked even expectation is found has suffered to crack also and can the very first time after re-encrypted upgrade the satellite TV receiver of decryption software and the update method of application software.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome the defective that the fail safe of prior art Satellite television receiver is lower, satellite-signal that encrypt easily is cracked, and a kind of fail safe is higher, satellite-signal that encrypt is difficult for being cracked has suffered to crack also and can the very first time after re-encrypted upgrade the satellite TV receiver of decryption software and the update method of application software even provide.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of satellite TV receiver, its characteristics be, it comprises a Rcv decoder, is used for the verification of application software code and the down loading updating of application software, and wherein this application software is used for the encryption satellite-signal that this satellite TV receiver of deciphering receives.That is to say, this satellite TV receiver has increased the upgrade function of aerial applications software, can detect at any time and upgrade application software (being the decryption software of TV programme).This Rcv decoder chip is for supporting the single-chip digital TV decoding chip (for example ST5107, UPD61214) of advanced security, the functions such as CPU, demultiplexing, audio/video decoding, audio frequency and video D/A (digital-to-analogue conversion) and video matrix coding that it is integrated, in addition, also have the functions such as automatic search, channel browsing, EPG (Electronic Program Guide, electric program menu), information service, aerial upgrade and the demonstration of satellite-signal intensity.In this Rcv decoder, guiding starts, and memory program is certifying signature step by step, guarantees that program is not cracked; As in this Rcv decoder, different from common descrambling algorithm in distinctive ICAM (Integrated Conditional Access Module integrated condition receiver module) descrambling module, guarantee that the descrambling process is not cracked; Decoder chip and FLASH memory adopt BGA (Ball Grid Array (PCB of ball grid array structure), it is a kind of package method that integrated circuit adopts organic support plate) encapsulation, guarantee that the mode that the hacker can't adopt mainboard to read obtains any information.
Preferably, this Rcv decoder comprises:
One starts module, is used for the verification Application software code;
One downloads module, is used for the down loading updating application software;
One first memory module, for example a RAM (random access memory, random access memory), be used for the application software that buffer memory is downloaded;
One second memory module, for example a FLASH (flash memory), be used for the storage application software code;
One the 3rd memory module, for example a NVRAM (Non-Volatile Random Access Memory, nonvolatile random access memory), be used for the swap data between store configuration data, ephemeral data and this download module and application software.
Preferably, this Rcv decoder also is used for judging whether to exist the application software of the renewal that is fit to this satellite TV receiver, and adopt following parameter to carry out the tuning down loading updating that flows and carry out application software by the transmission stream of locking that transmits with locking when having the application software of the renewal that is fit to this satellite TV receiver
This parameter is selected from: the swap data between configuration data, ephemeral data and this download module and application software; Successful parameter and the application software of the last download of this Rcv decoder; Initial parameter in application software code.
Preferably, this Rcv decoder also be used for when the application software code data are destroyed, when application software monitors the software upgrade instruction that transmits stream or the user enable this download module when assigning software upgrade instruction.That is to say, cracked in case satellite-signal detected, satellite TV receiver of the present invention can refresh the decryption software of this satellite-signal of deciphering, i.e. above-mentioned application software in the very first time after the satellite-signal re-encrypted.Specifically, the software in this Rcv decoder mainly comprises downloader (Loader) and two parts of application software (Application Software, AS).Downloader is divided into startup (Starter) and downloads (DownLoader) two modules.Starter is stored in write-protect Flash zone, is written at first when Rcv decoder powers up, and the system that is responsible for starts, and the code of using software is carried out verification.DownLoader is stored in write-protect Flash zone, is responsible for the down loading updating application software.More specifically, the downloader support is downloaded in the air, and trigger for download pattern of the present invention has following several, be encapsulated in take software upgrade data in the transmission stream of MPEG-2 as example, under be loaded with following three kinds of trigger modes:
When a) Rcv decoder starts, when application software code data in Flash being detected and being destroyed (when being made a mistake by accidental modification corresponding to the application software code data in Flash), trigger and download;
B) in the Rcv decoder running, application software monitors in the code code stream software upgrading indication (normally upgrading (or after the coded signal change decryption software of mandatory upgrade program) again corresponding to application software), triggers and downloads;
C) in the Rcv decoder start-up course, download (assigning the situation of update software instruction corresponding to user's manual operation) by the combination forced-triggered of front panel keys.
Preferably, this satellite TV receiver also comprises a decryption card, this decryption card complete by the control word of encrypting and this Rcv decoder between the data transmission, this Rcv decoder also is used for this control word of deciphering, wherein, this control word is corresponding one by one with the ID of this Rcv decoder.That is to say, snap into from this deciphering the control word of transmitting between this Rcv decoder encrypted, encrypted control word only this Rcv decoder is inner could be decrypted and use, and due to encryption key be with the ID of this Rcv decoder one to one, encrypted control word can only be by this unique Rcv decoder deciphering, and this has just prevented effectively that control word is shared.
Preferably, this satellite TV receiver has a receiver ID, this Rcv decoder has a decoder ID, the CAID that the ID of this decryption card, this receiver ID and one generate based on this decoder ID (wherein, this CAID refers in satellite TV receiver serializing process, the unique ID number of 11 bit digital that generate based on decoder ID) bound, this satellite TV receiver comprises a unique serializing file.
The present invention also provides a kind of update method of application software, and its characteristics are, adopt satellite TV receiver as above, and the update method of this application software comprises the following steps:
Step S
1, this Rcv decoder judges whether to exist the application software of the renewal that is fit to this satellite TV receiver, if enter step S
2If not, execution in step S again
1
Step S
2, adopt following parameter to carry out tuningly transmitting stream with locking, this parameter is selected from: the swap data between configuration data, ephemeral data and this download module and application software; Successful parameter and the application software of the last download of this Rcv decoder; Initial parameter in application software code;
Step S
3, carry out the down loading updating of application software by the transmission stream of locking.
For example, when carry out downloading, should be undertaken by following order tuningly, transmit stream with locking:
A) carry out tuning with the parameter that is stored in NVRAM;
B) carry out tuning with the parameter that is stored in Flash Header (Flash head);
C) carry out tuning with the initial parameter in the DownLoader software code;
D) user's input parameter carries out tuning;
After locking transmits stream, should first process NIT table (network information table), and the PMT (Program Map Table) in the traversal code stream, search whether the software upgrade data that meets the machine is arranged; If find, should download upgrading.If receive 3 failures of software upgrade data in downloading process, should continue to search current transmission stream and whether also have other to meet the software upgrade data of the machine.After download (comprising verification and storage) is successfully completed, should restart Rcv decoder.If current frequency does not find software upgrade data, should be according to above-mentioned steps, all transmit stream other that describe in traversal NIT, continue to search.If do not find yet software upgrade data, should travel through the transmission stream of other all usable frequencies in the direct satellite direct broadcast system frequency range, continue to search; If do not find yet software upgrade data, should abandon downloading and restarting this Rcv decoder.
Preferably, step S
1Before further comprising the steps of: when this Rcv decoder is destroyed in the application software code data, when application software monitors the software upgrade instruction that transmits in stream or the user enable this download module when assigning software upgrade instruction.
Positive progressive effect of the present invention is:
1, this satellite TV receiver adopts multiple Security Assurance Mechanism, guarantees that receiver can not be cracked, copy.
2, the update method of this satellite TV receiver and this application software can refresh the decryption software of this satellite-signal of deciphering in the very first time after the satellite-signal re-encrypted, and namely above-mentioned application software, taken into account user's easy-to-use and fail safe.
3, this satellite TV receiver is supported China first is had the satellite-signal transmission standard ABS-S chnnel coding standard of complete independent intellectual property right, adapts to China's direct satellite direct broadcast system and carries out needs with the relevant enterprise industrialized development.
Description of drawings
Fig. 1 is the structured flowchart of the Rcv decoder of one embodiment of the invention.
Fig. 2 is the structured flowchart of the Rcv decoder of another embodiment of the present invention.
Fig. 3 is the flow chart of update method of the application software of one embodiment of the invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
With reference to figure 1, satellite TV receiver of the present invention comprises a Rcv decoder 1, is used for the verification of application software code and the down loading updating of application software, and wherein this application software is used for the encryption satellite-signal that this satellite TV receiver of deciphering receives.
Specifically, this Rcv decoder 1 also comprises:
One starts module 11, is used for the verification Application software code;
One downloads module 12, is used for the down loading updating application software;
One first memory module 13 is used for the application software that buffer memory is downloaded;
One second memory module 14 is used for the storage application software code;
One the 3rd memory module 15 is used for the swap data between store configuration data, ephemeral data and this download module 12 and application software.For example, this first memory module 13 is a RAM, this second memory module 14 1 FLASH, and the 3rd memory module 15 is a NVRAM.
With reference to figure 2, in the present embodiment, this startup module 11, this download module 12, this first memory module 13 and the 3rd memory module 15 are placed in a Rcv decoder chip 1a, and this second memory module 14 is a FLASH 1b who is connected with this Rcv decoder chip 1a.
Specifically, this Rcv decoder 1 also is used for judging whether to exist the application software of the renewal that is fit to this satellite TV receiver, and adopting following parameter to carry out the tuning down loading updating that flows and carry out application software by the transmission stream of locking that transmits with locking when having the application software of the renewal that is fit to this satellite TV receiver, this parameter is selected from: the swap data between configuration data, ephemeral data and this download module and application software; Successful parameter and the application software of the last download of this Rcv decoder; Initial parameter in application software code.
In addition, this Rcv decoder 1 also be used for when the application software code data are destroyed, when application software monitors the software upgrade instruction that transmits stream or the user enable this download module 12 when assigning software upgrade instruction.
In addition, this satellite TV receiver also comprises a decryption card, this decryption card complete by the control word of encrypting and this Rcv decoder between the data transmission, this Rcv decoder also is used for this control word of deciphering, wherein, this control word is corresponding one by one with the ID of this Rcv decoder.
In order to strengthen the fail safe of this satellite TV receiver, this satellite TV receiver has a receiver ID, this Rcv decoder has a decoder ID, the CA ID that the ID of this decryption card, this receiver ID and one generate based on this decoder ID is bound, and this satellite TV receiver comprises a unique serializing file.
With reference to figure 3, introduce the update method of application software of the present invention, this update method adopts satellite TV receiver as above, and the update method of this application software comprises the following steps:
Below, take an application example as example, describe the update method of satellite TV receiver of the present invention and application software in detail in conjunction with user perspective.
This Rcv decoder possesses following several memory:
A) RAM: be used for the buffer memory of Loader operation and downloading data, should be not less than the Flash of Rcv decoder;
B) Flash: be used for code and storage of subscriber data, write-protect Flash district (being used for placing Loader code and other preset configuration parameters) should be marked off and Flash district (be used for placing application software code and user data, and can be rewritten by software) can be write;
C) NVRAM: to need between store configuration data, ephemeral data, downloader and application software to be used for the data that exchange etc.
Particularly, in Flash, each storage area function declaration is as follows:
A) Starter:Loader starts module, is responsible for system's startup, code check and downloads judgement;
B) DownLoader:Loader download module, the download updating operation of responsible application software;
C) Terminal Device Information: the Rcv decoder facility information, data structure sees Table 1;
D) Flash Header:Flash head, parameter list and the application software information of the success of storing received decoder last downloaded, data structure sees Table 2;
E) Application Software: Rcv decoder application software code;
F) User Data: all customer data except can writing Flash head and application software code.
Table 1 terminal Device Information data structure
Table 2Flash Header data structure
The below introduces the NVRAM storage organization, and is specific as follows:
NVRAM should comprise the software download data download parameters zone of 32 byte lengths, and its data structure sees Table 3.
Software Download Data data structure in table 3NVRAM
before introducing the concrete upgrading flow process of application software, first introduce the relevant PSI (Program Specific Information) of lower software upgrading and SI (business information), at first, software upgrading sign descriptor is first described, if transmitting in stream, certain comprises the software upgrading business, in pmt table corresponding to this business, the stream_type of Basic Flow is 0xE0, be used for the transmit software upgrades data to identify this Basic Flow, comprise simultaneously a software upgrading sign descriptor (software_upgrade_id_descriptor) in each Basic Flow circulation, be used for describing software upgrade data information corresponding to this Basic Flow, specifically see table 4 for details.
The form of table 4 software upgrading sign descriptor
Next, introduce the upgrading flow process of application software, specifically, when application software was upgraded, the broadcaster sent relevant PSI and SI information, and application software is encapsulated in corresponding transmission stream transmitted.Application software monitoring EMM (the Entitled Manage Message of Rcv decoder, Entitlement Management Message), judge whether the software of suitable the machine upgrading according to the parameters such as manufacture_id, hardware_id, model_id, new_software_version in EMM.If the software of suitable the machine upgrading is arranged, new_software_version is stored in NVRAM, and the download_flag value in NVRAM is made as 1.After storage is completed, if the user_acceptance value in EMM is 0, should restarts immediately Rcv decoder and download; If the user_acceptance value is 1, download when receiving decoder startup next time.Upgrade successfully and to carry out immediately automatic search after completing.
Starter first is made as 0 with the download_flag value before starting Downloader.After DownLoader starts, carry out and download, carrying out when downloading, should be undertaken by following order tuningly, transmit stream with locking:
A) carry out tuning with the parameter that is stored in NVRAM;
B) carry out tuning with the parameter that is stored in Flash Header;
C) carry out tuning with the initial parameter in the DownLoader software code;
D) user's input parameter carries out tuning;
After locking transmits stream, should first process the NIT table, and the PMT in the traversal code stream, search whether the software upgrade data that meets the machine is arranged; If find, should download upgrading.If receive 3 failures of software upgrade data in downloading process, should continue to search current transmission stream and whether also have other to meet the software upgrade data of the machine.After download (comprising verification and storage) is successfully completed, should restart Integrated Receive Decoder.If current frequency does not find software upgrade data, should be according to above-mentioned steps, all transmit stream other that describe in traversal NIT, continue to search.If do not find yet software upgrade data, should travel through the transmission stream of other all usable frequencies in the direct satellite direct broadcast system frequency range, continue to search; If do not find yet software upgrade data, should abandon downloading and restarting Integrated Receive Decoder.
Certainly, in escalation process, in order to allow the user understand at any time the situation of upgrading, can also provide state to be shown to the user.In state showed, display interface can comprise:
State code: describe one group of code of software upgrading state, form is the AA/BBBB/CCCC/DD that 16 system numbers represent, represents successively errors number/error code/treatment S ection number/treatment S ection state.
AA represents errors number, and 16 system numbers of 8 bit lengths are from 00 to FF;
BBBB represents error code, 16 system numbers of 16 bit lengths, and corresponding error code is described as shown in table 5.
The Section number that the CCCC representative receives, 16 system numbers of 16 bit lengths are from 0000 to FFFF;
State code is processed in the DD representative, 16 system numbers of 8 bit lengths, and corresponding states is described as shown in table 6.
Table 5 treatment state code table
| Error code (BBBB) | Describe |
| 1001 | Can't obtain PMT |
| 1002 | Do not find descriptor in PMT |
| 1003 | Can't obtain the Section of download stream |
| 1004 | Receive incorrect Section |
| 1005 | The software size is illegal |
| 1006 | Can't lock and transmit stream |
| 2001 | The failure of application software code signature check |
| 2002 | The failure of application software code CRC check |
| 2003 | Write Flash |
Table 6 treatment state code table
| State code (DD) | Describe |
| 01 | Initialization |
| 02 | In treatment S ection |
| 03 | In tuning |
| 04 | PMT is obtained in wait |
| 05 | The downloading data table is obtained in wait |
| 09 | Download is completed |
| 0A | Download and cancel |
| 0B | Wait for that the user inputs tuner parameters |
Except the mode of the fail safe of above-mentioned this satellite TV receiver of enhancing, also ensure the fail safe of this satellite TV receiver by the mode of serializing, specific as follows:
At first, the term of using in the serializing process under first introducing:
Decoder ID (chip id): the chip producer that makes Rcv decoder is unique ID of 4 byte longs of its safety chip serializing;
STB ID: by the definition of direct broadcasting satellite radio and television administrative centers, be unique ID of 16 bit digital of every satellite TV receiver definition;
CAID: in satellite TV receiver serializing process, unique ID of 11 bit digital that generate based on decoder ID.
Then, introduce the process of serializing:
A. calculate CAID and create the receiver label
B. the serializing data are written in the Flash of Integrated Receive Decoder
C. start the receiver safeguard protection
D. receiver serializing and safety verification
Concrete flow process is as follows, calculates CA ID and creates the receiver label:
1, use JTAG (boundary scan technique) or similar approach to read the particular register of chip (Rcv decoder chip), obtain 4 byte chip ids.
2, serializing software will generate CAID according to chip id.CAID is 11 ten's digits, and its form is as follows:
CA ID＝QQQQQQQQQQZ，where
QQQQQQQQQQ(Dec)＝chip ID+2^31
Z＝check digit for QQQQQQQQQQ，based on Luhn algorithm
Be exemplified below:
Given chip ID is 0x12345678, if chip id is 0x12345678,
QQQQQQQQQQ＝0x12345678+0x80000000＝0x92345678＝
2452903544(Dec)
Draw check digit Z=6 based on the Luhn algorithm
Thereby draw CA ID=24529035446
3, suppose that set-top box ID is known in this stage, perhaps be created according to above-mentioned definition by the serializing station.
4, the serializing station will carry out data search in data server, as long as do not find current STB ID and CAID to be stored in identical STB ID and CAID in data server as unique record.
Then, the serializing data are written in the Flash of Integrated Receive Decoder:
1, in the satellite TV receiver production process, " writing Flash " station with No. ID, decryption card and receiver binding, produces the serializing data of 88 bytes by server serializing file.
2, serializing software writes predefine zone in Flash with the serializing data of 88 bytes.
3, after the serializing data write Flash, serializing software will read this data from Flash, and with the buffer memory of 88 bytes in comparing.If both are inconsistent, writing step must re-execute.
Then, start the receiver safeguard protection:
1, the important area in Flash needs write-protect, comprises the serializing data.
2, satellite TV receiver manufacturer should start guide, the one-off programming of chip for activating (OTP) according to the safeguard protection that direct broadcasting satellite radio and television administrative center provides.
Then, satellite TV receiver serializing and safety verification:
1, will specify the test decryption card that is used for this project to insert satellite TV receiver.(chip hardware when this card and use is suitable, and only rights of using are different)
2, the CAID on use barcode scanner radio scanner label.Software can be rejected error scanning, has for example scanned the bar code of other commodity, error ID length etc.
3, check and correction software will be checked the CA ID of a certain set-top box recording on data server.
4, check chip OTP configuration, by the fusing to the fusing register, guarantee one-time write, prevent the secondary modification, thereby ensure information security.
5, in the test code streams signal input satellite TV receiver that direct broadcasting satellite radio and television administrative centers is provided, and restart this satellite TV receiver, satellite TV receiver after restarting should be tuned to test code streams, on production line, the workman must verify following two: satellite TV receiver continues display video at least 2 seconds, there is no OSD (screen menu type regulative mode) prompting; There is the serializing of OSD prompting GPRS module to complete.
At last, the generation of backspace file
1, the corresponding relation of the chip id of collecting in the serializing process, CA ID, No. ID, decryption card and receiver ID is submitted General Bureau of Radio, Film and Television to the form of backspace file.
2, the receiver ID of 48-bit will adopt 16 ten's digits to represent, order from front to back is followed successively by: the ID of manufacturer (8bit) of 3, the set-top box style number (6bit) of 2,2 production titles of an emperor's reign (6bit), 2 production weeks number (6bit), 7 production serial numbers (22bit), serial number is the accumulative total serial number of annual all batches, model, if 7 of serial number less thaies, zero padding in front.Be exemplified below:
16 decimal system receiver ID are exemplified below: 1200009362190000
The 4g-bit receiver ID that its binary form represents is:
The ID/ of manufacturer receiver types number/production title of an emperor's reign/production week number/produce serial number
01111000/000000/001001/100100/1000010110101010110000
The represented information of this sequence number is: No. 2190000 product that No. 120 manufacturers produced 2009 the 36th weeks, this product is for encrypting the SD basic model.
Certainly, above-mentioned application example only illustrates, and those skilled in the art can select other modes to realize according to actual needs.
in the present invention, this satellite TV receiver is the process serializing before producing, No. ID, the CA that No. ID coding of decoder of the inner Rcv decoder of every satellite TV receiver generated, (for example this satellite TV receiver presents with the form of a set-top box receiver ID of No. ID, decryption card and this satellite TV receiver, this receiver ID this set-top box ID (being STB ID) namely) bind, every satellite TV receiver all produces a single-minded serializing file like this, can prevent the decryption card one card for multiple uses by it, following General Bureau of Radio, Film and Television can also be by its operation to every receiver, operating position is monitored, and can automatically upgrade according to the software information of every satellite TV receiver application software (decryption software of program).When the encryption method (TV signal that General Bureau of Radio, Film and Television sends this satellite TV receiver is carried out specific scrambling and processed) of the TV signal of broadcast transmission can be upgraded the decryption software of whole satellite TV receivers cracking in the very first time during re-encrypted automatically.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (8)
1. a satellite TV receiver, is characterized in that, it comprises a Rcv decoder, is used for the verification of application software code and the down loading updating of application software, and wherein this application software is used for the encryption satellite-signal that this satellite TV receiver of deciphering receives.
2. satellite TV receiver as claimed in claim 1, is characterized in that, this Rcv decoder comprises:
One starts module, is used for the verification Application software code;
One downloads module, is used for the down loading updating application software;
One first memory module is used for the application software that buffer memory is downloaded;
One second memory module is used for the storage application software code;
One the 3rd memory module is used for the swap data between store configuration data, ephemeral data and this download module and application software.
3. satellite TV receiver as claimed in claim 1, it is characterized in that, this Rcv decoder also is used for judging whether to exist the application software of the renewal that is fit to this satellite TV receiver, and adopt following parameter to carry out the tuning down loading updating that flows and carry out application software by the transmission stream of locking that transmits with locking when having the application software of the renewal that is fit to this satellite TV receiver
This parameter is selected from: the swap data between configuration data, ephemeral data and this download module and application software; Successful parameter and the application software of the last download of this Rcv decoder; Initial parameter in application software code.
4. satellite TV receiver as claimed in claim 1, it is characterized in that, this Rcv decoder also is used for when the application software code data are destroyed, when application software monitors the software upgrade instruction that transmits stream or the user enable this download module when assigning software upgrade instruction.
5. satellite TV receiver as claimed in claim 1, it is characterized in that, this satellite TV receiver also comprises a decryption card, this decryption card complete by the control word of encrypting and this Rcv decoder between the data transmission, this Rcv decoder also is used for this control word of deciphering, wherein, this control word is corresponding one by one with the ID of this Rcv decoder.
6. satellite TV receiver as described in any one in claim 1-5, it is characterized in that, this satellite TV receiver has a receiver ID, this Rcv decoder has a decoder ID, the CA ID that the ID of this decryption card, this receiver ID and one generate based on this decoder ID is bound, and this satellite TV receiver comprises a unique serializing file.
7. the update method of an application software, is characterized in that, adopts satellite TV receiver as described in any one in claim 1-6, and the update method of this application software comprises the following steps:
Step S
1, this Rcv decoder judges whether to exist the application software of the renewal that is fit to this satellite TV receiver, if enter step S
2If not, execution in step S again
1
Step S
2, adopt following parameter to carry out tuningly transmitting stream with locking, this parameter is selected from: the swap data between configuration data, ephemeral data and this download module and application software; Successful parameter and the application software of the last download of this Rcv decoder; Initial parameter in application software code;
Step S
3, carry out the down loading updating of application software by the transmission stream of locking.
8. the update method of application software as claimed in claim 7, is characterized in that, step S
1Before further comprising the steps of: when this Rcv decoder is destroyed in the application software code data, when application software monitors the software upgrade instruction that transmits in stream or the user enable this download module when assigning software upgrade instruction.
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| CN106941627A (en) * | 2017-03-14 | 2017-07-11 | 李燕如 | The method and set top box and system of a kind of wideband direct broadcast satellite TV validation-cross |
| CN106998480A (en) * | 2017-03-14 | 2017-08-01 | 李燕如 | The method and LNB and system of a kind of wideband direct broadcast satellite TV validation-cross |
| CN106998480B (en) * | 2017-03-14 | 2020-04-24 | 泰斗微电子科技有限公司 | Method, LNB and system for interactive verification of direct broadcast satellite television |
| CN110740377A (en) * | 2019-10-22 | 2020-01-31 | 广东长虹电子有限公司 | channel searching method using network, satellite television and operation system |
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