CN101094341A - Method for upgrading software or content of terminal device based on data broadcast of digital TV - Google Patents
Method for upgrading software or content of terminal device based on data broadcast of digital TV Download PDFInfo
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- CN101094341A CN101094341A CNA2007100969759A CN200710096975A CN101094341A CN 101094341 A CN101094341 A CN 101094341A CN A2007100969759 A CNA2007100969759 A CN A2007100969759A CN 200710096975 A CN200710096975 A CN 200710096975A CN 101094341 A CN101094341 A CN 101094341A
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Abstract
The method comprises: with the digital broadcast system, the service provider sends the update file and content file to the access gateway; the digital broadcast system sends the update file and content file to the terminal device; the terminal device receives said update file and content file and decides if the received update file and content file are higher version files; if yes, making update for the original software file and content file in the terminal device.
Description
Technical field
The present invention relates to the television system technology, relate in particular to the method for upgrading terminals device software in the digital television system.
Background technology
Digital television broadcasting system is the digital signal that traditional anolog TV signals is become the binary number representative through oversampling, quantification and code conversion, carry out processing, transmission, record, the storage of various functions then, the end-to-end system of a kind of full digital processing process of monitoring and control.According to the difference of transmission network, can be divided into ground, wired and satellite three big broadcast systems.Wherein the delivering path of terrestrial DTV as shown in Figure 1: transmit by the form of TV station's commanding elevation antenna with radio wave, the TV user in this antenna coverage areas is by reception antenna and television set TV reception.
At present, the kind of receiving terminal for digital television becomes increasingly abundant, and comprises digital television receiver, digital television receiving set up box, mobile TV receiver, handheld televisions receiver etc.Because of more bring by terminal equipment realize that function increases or perfect cost too high, to operating software in the television receive terminal upgrade with increase or the cry of consummating function more and more stronger.For example with the television receive terminal of GPS navigation function, its electronic chart need frequently be upgraded according to the change of road conditions, and receiving terminal that can not fine support software upgrade function will definitely be eliminated by market.
The main at present software upgrading mode that adopts has:
A. adopt the upgrade method of FLASH welding, burning: the memory of television receive terminal is taken out, install again after utilizing specific cd-rom recorder upgrading, in case the upgrading failure needs FLASH is retrieved upgrading again from terminal.Exist manual intervention too much like this, reliability is low, the deficiency of maintenance cost height and inefficiency.
B. adopt television receive terminal that the external memory interface is provided, utilize memory to come the upgrade method of copied files.This method needs the user initiatively to understand the recent software version, and obtains upgrade file with upgrading CD or other storage medium forms by the terminal manufacturer place, has the equipment cost height, and the user operates inconvenience, deficiency that maintenance cost is high.
C. utilize network download to come online upgrading.This method needs receiving terminal that network access interface is provided, the equipment cost height.And the network of employing is example with ADSL, and the user side transfer rate mostly is 2.5Mbps, and with wireless mode such as GPRS, CDMA is an example, and transfer rate all is difficult to reach 100Kbps, therefore, for the such massive data files of upgrading electronic chart, there is the deficiency of downloading difficulty.Moreover, provide the website of upgrade file generally to adopt the transmission means of point-to-multipoint, when a plurality of users downloaded simultaneously, the phenomenon of network congestion may appear.
In addition, adopt the user directly to obtain the tradition upgrading mode of upgrade file, cause the illegal propagation of upgrade file easily, be unfavorable for digital copyright protecting from suppliers.
The method of up-to-date upgrading television receive terminal software is based on data broadcast of digital TV upgrades, and utilizes the data broadcasting down going channel of Digital Television to transmit the method for upgrade file, can solve above-mentioned the deficiencies in the prior art to a great extent.This method points out user's executive software when starting shooting next time to download and upgrading by the download flag data is set in the memory of terminal.The weak point of this technical scheme is: need the user to be provided with according to condition judgment and download sign, just having an opportunity to download latest document upgrades, therefore, whether the user is depended in upgrading, thereby be unfavorable for that terminal manufacturer for solving the technical problem occurred or providing the systems soft ware mandatory upgrade for the user provides new service, will be not easy to their administering and maintaining terminal equipment.In addition, it is not 24 hours uninterrupted transmissions that general terminal manufacturer is carried out data broadcasting, misses the last broadcast data download as if user side because of not setting the upgrading sign, then will wait until when broadcasting next time and just can upgrade.If ustomer premises access equipment can't be set upgrading sign because of download fault or other factors, this terminal equipment software upgrade never then.This is unfavorable for that equally terminal manufacturer manages and safeguards.In addition, the deficiency that this technical scheme also exists is that it reckons without the upgrade service that how to ensure charging software or data, thereby is unfavorable for the interests of maintenance terminal manufacturer.
Summary of the invention
The objective of the invention is to, a kind of method based on data broadcast of digital TV upgrading terminals device software or content is proposed, to reduce the maintaining terminal equipment cost, both helped in time carrying out and convenience of customer upgrade operation, again the copyright interest of maintenance service provider.
Technical scheme as realizing the present invention's design provides a kind of method based on data broadcast of digital TV upgrading terminals device software or content, comprises step:
The service provider is uploaded to IAD by Radio Data System with upgrade file or content file, by Radio Data System upgrade file or content file is sent to terminal equipment with broadcast mode;
Terminal equipment receives the upgrade file or the content file of described transmission.
Also comprise judge upgrade file or content file file characteristic sign whether with the corresponding to step of signature identification information of terminal equipment.
And judge that whether the upgrade file of described reception or content file be highest version more; If, the step that the original software or the content file of terminal equipment are upgraded then.
Wherein, before upgrade file or content file are uploaded to IAD, comprise step: utilize digital certificate that upgrade file or content file are handled, spanned file digital digest and digital signature.
And, utilize digital certificate that the upgrade file or the content file that receive are handled, generate the terminal digital digest;
Whether the comparison terminal digital digest is consistent with the file digital digest, judges that whether the upgrade file of described reception or content file are upgrade file or the content file at this terminal equipment.
Wherein, the described digital certificate that utilizes is handled upgrade file or content file, is upgrade file or content file are generated digital digest, and then with the PKI of digital certificate digital digest is encrypted the formation digital signature.
Wherein, the described digital certificate that utilizes is handled upgrade file or content file, be upgrade file or content file to be encrypted with the private key of digital certificate, generate digital digest to encrypting upgrade file or encrypted content file again, with the PKI of digital certificate digital digest is encrypted and formed digital signature.
Adopt above-mentioned each technical scheme, can reduce the software upgrading cost of equipment, and help strengthening digital copyright protecting, safeguarded the interests of service provider (comprising terminal manufacturer, content service provider); And the realization of auto-update also brings convenience to the user; Therefore has favorable economic benefit.
Description of drawings
Fig. 1 is existing Digital Television emission/receiving terminal structural representation;
Fig. 2 be the present invention based on the digital television system schematic network structure;
Fig. 3 is the concise and to the point process chart of terminal equipment of the present invention;
Fig. 4 is the schematic flow sheet of the inventive method upgrade file.
Embodiment
Main points of the present invention are, utilize the data broadcasting down going channel of Digital Television, data feedback channel with communication network, mobile network or Internet, in conjunction with the asymmetric data ciphering method, realize the software document of television receive terminal or the upgrading of content file, comprise systems soft ware, application software, software data, media data and/or content-data etc.
Below, the most preferred embodiment shown in is further set forth the present invention in conjunction with the accompanying drawings.
As shown in Figure 2, the data access service of data broadcasting provider control data broadcast system, terminal manufacturer provides the terminal use used digital TV terminal equipment.In the present embodiment, terminal manufacturer or content supplier or service provider the mandate by data broadcasting provider perhaps can after, by the IAD of data broadcasting provider, utilize Radio Data System to send upgrade file with broadcast mode.In order to narrate conveniently, the present invention does not add differentiation in addition to terminal manufacturer and content supplier and service provider, is referred to as the service provider.
Described digital TV terminal equipment is the terminal equipment that is used for receiving digital television signal that is provided by terminal manufacturer.It is digital television receiver, digital television receiving set up box, mobile TV receiver, the handheld televisions receiver of receiving digital television signal that this terminal equipment is not limited only to, can also be movable storage device, performance recording equipment, audio-video document playback equipment, GPS navigation equipment, game device etc., at this for sake of convenience, be referred to as terminal equipment.
Described terminal equipment comprises the control unit that is used for Control Software or updating content at least, the memory cell of storage upgrade file or content file and the receiving element that receives upgrade file or content file.
Fig. 3 shows the concise and to the point course of work of terminal equipment, and present embodiment is as follows based on the process of data broadcast of digital TV upgrading television receive terminal software document:
The service provider is uploaded to described IAD by Radio Data System with upgrade file, by Radio Data System upgrade file is sent to terminal equipment with broadcast mode;
Terminal equipment receives described upgrade file;
Terminal equipment judges that whether the upgrade file of described reception is the upgrade file of highest version more; If then original software of terminal equipment is upgraded.
After said process comprises that also terminal equipment receives described upgrade file, judge whether upgrade file is corresponding with terminal equipment; Preferably, judge whether the file characteristic sign of upgrade file is consistent with the signature identification information of terminal equipment.The file characteristic identification information of described upgrade file can but be not limited to refer to the characteristic informations such as identification information length, file size, carrier ID or product IDs that increase at top of file or afterbody; The signature identification information of described terminal equipment can the pre-defined or distribution by the service provider.
Present embodiment also comprises the process based on data broadcast of digital TV upgrading television receive terminal content file:
The service provider is uploaded to described IAD by Radio Data System with content file, by Radio Data System content file is sent to terminal equipment with broadcast mode;
Terminal equipment receives described content file.
The upgrade file of above-mentioned reception or content file can directly call or move, and also can store in the described memory cell again, can check when starting shooting for terminal equipment and call upgrade file or content file or move, and finish escalation process.
Said process comprises that also terminal equipment judges that whether the content file of described reception is the content file of highest version more; If, then original file of terminal equipment to be upgraded, this upgrading can be that the content file of usefulness reception substitutes or cover the original file in the terminal equipment.
After said process comprises that also terminal equipment receives described content file, judge whether content file is corresponding with terminal equipment;
Preferably, judge whether the file characteristic sign of content file is consistent with the signature identification information of terminal equipment.The civilian signature identification information of described content file can but be not limited to refer to the characteristic informations such as identification information length, file size, carrier ID or product IDs that increase at top of file or afterbody; The signature identification information of described terminal equipment can the pre-defined or distribution by the service provider.
In order to guarantee that upgrade file that the service provider provides or content file only for designated terminal use that equipment receives, ensure service provider's copyright or legitimate rights and interests, the present invention proposes second embodiment, uses digital certificate with identification terminal equipment.
The digital certificate that present embodiment uses is applied for to authentication center by service provider or terminal use.Wherein, the digital certificate of service provider application can be discerned a plurality of terminal equipments in the service range, and this digital certificate is built-in in advance or be kept in the terminal equipment by the service provider.And the digital certificate of terminal use's application can be discerned the terminal equipment that the user holds, the service provider provides upgrade file or content file at this terminal use according to this digital certificate, and this digital certificate is built-in in advance or be kept in the terminal equipment by the terminal use.
Described authentication center is third-party electronic information security authentication service merchant, and the information security solution of digital certificate application technology is provided.
In conjunction with Fig. 4, the process based on data broadcast of digital TV upgrading television receive terminal software of present embodiment is as follows:
The service provider utilizes digital certificate that upgrade file is carried out encryption, spanned file digital digest and digital signature;
The service provider is uploaded to described IAD by Radio Data System with upgrade file and digital signature thereof, by Radio Data System upgrade file and digital signature is sent to terminal equipment with broadcast mode;
Terminal equipment receives described upgrade file and digital signature;
The digital certificate that the terminal equipment utilization is preserved in advance is decrypted the digital signature that receives, the spanned file digital digest;
Terminal equipment utilizes digital certificate that the upgrade file that receives is carried out encryption, generates the terminal digital digest;
Whether the comparison terminal digital digest is consistent with the file digital digest, and whether the upgrade file of judging described reception is the upgrade file at this terminal equipment;
If whether the upgrade file of then judging described reception is the upgrade file of highest version more; If then original file of terminal equipment is upgraded.
Present embodiment also comprises the process based on data broadcast of digital TV upgrading television receive terminal content:
The service provider utilizes digital certificate that content file is carried out encryption, spanned file digital digest and digital signature;
The service provider is uploaded to described IAD by Radio Data System with content file and digital signature thereof, by Radio Data System content file and digital signature is sent to terminal equipment with broadcast mode;
Terminal equipment receives described content file and digital signature thereof;
The digital certificate that the terminal equipment utilization is preserved in advance is decrypted the digital signature that receives, the spanned file digital digest;
Terminal equipment utilizes digital certificate that the content file that receives is carried out encryption, generates the terminal digital digest;
Whether the comparison terminal digital digest is consistent with the file digital digest that receives, and judges whether the content file of described reception is the content file of this terminal equipment; If preserve or call this content file.
Described service provider applies for digital certificate to authentication center, obtains the PKI of PKI, private key and private key.Wherein private key is used for behind the algorithm generation digital digest of service provider to upgrade file (comprising upgrade software, systems soft ware, free software or data) or content file utilization agreement, digital digest is encrypted formed digital signature.And PKI is built-in in advance or be kept in the terminal equipment by the service provider, for terminal equipment the digital signature that receives is decrypted, and obtains the file digital digest; And upgrade software or the content file that receives carried out encryption, generate the terminal digital digest.
Described terminal use applies for digital certificate to authentication center, obtains client public key and private key for user.Wherein client public key offers the service provider by the terminal use, be used for the service provider upgrade file (comprising upgrade software, systems soft ware, free software or data) or content file are encrypted formation encryption upgrade file or encrypted content file, this encryption upgrade file or encrypted content file only can correctly be deciphered by private key for user.And private key for user is built-in in advance or be kept in the terminal equipment by the terminal use, for encryption upgrade file or the encrypted content file decryption of terminal equipment to receiving, obtains upgrade file or content file.
Described PKI or private key are based on two groups of passwords of the pairing of RSA system, Diffle-Hellman (Di Fu-Hull is graceful) or the generation of other algorithm.Utilize described PKI that data are encrypted, guarantee that this enciphered data only can correctly be deciphered by respective private keys; Utilize engagement arithmetic that enciphered data is handled again and generate digital digest, to guarantee to need only any one digit number certificate of changing in enciphered data or the PKI, the digital digest that recalculates will not conform to original value, thereby guarantees the unalterable feature and the integrality of data.
In the said process, upgrade file or content file initiatively send to terminal equipment with broadcast mode by the service provider, then upgrade file or content file are not encrypted, only generated digital digest, use above-mentioned PKI that digital digest is encrypted according to upgrade file or content file; And above-mentioned upgrade file or content file by certain terminal use to service provider's program request or order, then should provide client public key to the service provider, the service provider encrypts upgrade file or content file with described client public key, generate and encrypt upgrade file or encrypted content file, generate digital digest according to encrypting upgrade file or encrypted content file again, use public-key digital digest is encrypted again.
Wherein, terminal use's program request or order above-mentioned upgrade file or content file can pass through telecommunications network, the Internet, mobile network or Radio Data System, and their modes such as combination are finished to the service provider and are filed a request.
In the present embodiment, terminal use's program request or order upgrade file or content file after, may need to pay and to obtain to specify upgrade file or content file, so before the said process, after the service provider receives terminal use's program request or orders request, examine the content of request, user validation and/or user charges situation, determine whether to send upgrade file or content file in view of the above, if confirm that the user is legal, the upgrade file of charges paid and request or content file exist, and then carry out above-mentioned process based on data broadcast of digital TV upgrading television receive terminal software or upgrading television receive terminal content.
The algorithm of arranging described in the said process can adopt MD2, MD4, MD5, SHA, SHA-1, SHA-2 256, SHA-2 384, SHA-2 512, RIPEMD-160 scheduling algorithm.These repeat no more because of belonging to prior art.
In the present embodiment, described service provider can also increase the file characteristic identification information with specific standard on user's program request or upgrade file of ordering or content file, be used to judge whether upgrade file or content file are user's program request or order.
After terminal equipment received upgrade file or content file, it is consistent that the file characteristic of judging earlier upgrade file identifies the signature identification information of terminal equipment whether.The file characteristic identification information of described upgrade file or content file can but be not limited to refer to the characteristic informations such as identification information length, file size, carrier ID or product IDs that increase at top of file or afterbody; The signature identification information of described terminal equipment can the pre-defined or distribution by the service provider.
Concrete broadcasting of data in the various embodiments described above or transmission method can be based on the DSM-CC data broadcasting agreements of existing ISO/IEC13818-6 regulation; Because of it also has been widely used for prior art, do not give unnecessary details at this.Any replacement based on being equal to of design of the present invention and embodiment implements also will be protected by the present invention.
Claims (10)
1. the method based on data broadcast of digital TV upgrading terminals device software or content is characterized in that, comprises step:
The service provider is uploaded to IAD by Radio Data System with upgrade file or content file, by Radio Data System upgrade file or content file is sent to terminal equipment with broadcast mode;
Terminal equipment receives the upgrade file or the content file of described transmission.
2. the method for upgrading terminals device software as claimed in claim 1 or content is characterized in that, also comprises step:
Judge that whether the upgrade file of described reception or content file are highest version more; If then the original software document or the content file of terminal equipment are upgraded.
3. the method for upgrading terminals device software as claimed in claim 1 or content is characterized in that, also comprises step:
Whether the file characteristic sign of judging upgrade file or content file is consistent with the signature identification information of terminal equipment.
4. as the method for described upgrading terminals device software of the arbitrary claim of claim 1 to 3 or content, it is characterized in that, before upgrade file or content file are uploaded to IAD, also comprise step:
Utilize digital certificate that upgrade file or content file are handled, spanned file digital digest and digital signature.
5. the method for upgrading terminals device software as claimed in claim 4 or content is characterized in that, also comprises step:
Utilize digital certificate that the upgrade file or the content file that receive are handled, generate the terminal digital digest;
Whether the comparison terminal digital digest is consistent with the file digital digest, judges that whether the upgrade file of described reception or content file are upgrade file or the content files at this terminal equipment.
6. the method for upgrading terminals device software as claimed in claim 4 or content is characterized in that,
The described digital certificate that utilizes is handled upgrade file or content file, is upgrade file or content file are generated digital digest, and then with the PKI of digital certificate digital digest is encrypted the formation digital signature.
7. the method for upgrading terminals device software as claimed in claim 4 or content is characterized in that,
The described digital certificate that utilizes is handled upgrade file or content file, be upgrade file or content file to be encrypted with the private key of digital certificate, generate digital digest to encrypting upgrade file or encrypted content file again, with the PKI of digital certificate digital digest is encrypted and formed digital signature.
8. as the method for described upgrading terminals device software of the arbitrary claim of claim 5 to 7 or content, it is characterized in that described digital certificate is to obtain through application, built-in in advance or be kept in the terminal equipment.
9. as the method for claim 1,2 or 4 described upgrading terminals device softwares or content, it is characterized in that, described service provider accepts upgrade file or content file program request or orders request, sends described upgrade file or content file according to described program request or the request of ordering.
10. the method for upgrading terminals device software as claimed in claim 9 or content, it is characterized in that, before upgrade file or content file are uploaded to IAD, also comprise step: described service provider examines the content of request, the legitimacy and/or the paying situation of request, judges whether to send upgrade file or content file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100969759A CN101094341A (en) | 2006-04-21 | 2007-04-23 | Method for upgrading software or content of terminal device based on data broadcast of digital TV |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610060467.0 | 2006-04-21 | ||
| CN200610060467 | 2006-04-21 | ||
| CNA2007100969759A CN101094341A (en) | 2006-04-21 | 2007-04-23 | Method for upgrading software or content of terminal device based on data broadcast of digital TV |
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| CN101094341A true CN101094341A (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100969759A Pending CN101094341A (en) | 2006-04-21 | 2007-04-23 | Method for upgrading software or content of terminal device based on data broadcast of digital TV |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883085A (en) * | 2010-02-24 | 2010-11-10 | 深圳市同洲电子股份有限公司 | Method for generating and acquiring authorized application list information, corresponding device and system |
| CN102799454A (en) * | 2012-07-13 | 2012-11-28 | 中广传播集团有限公司 | Air upgrading and uploading method of terminal software |
| CN104102499A (en) * | 2013-04-02 | 2014-10-15 | 中兴通讯股份有限公司 | Mobile terminal and mobile terminal software upgrading method |
-
2007
- 2007-04-23 CN CNA2007100969759A patent/CN101094341A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883085A (en) * | 2010-02-24 | 2010-11-10 | 深圳市同洲电子股份有限公司 | Method for generating and acquiring authorized application list information, corresponding device and system |
| WO2011103785A1 (en) * | 2010-02-24 | 2011-09-01 | 深圳市同洲电子股份有限公司 | Method, device and system for generating and obtaining authorized application list information |
| CN101883085B (en) * | 2010-02-24 | 2013-10-16 | 深圳市同洲电子股份有限公司 | Method for generating and acquiring authorized application list information, corresponding device and system |
| CN102799454A (en) * | 2012-07-13 | 2012-11-28 | 中广传播集团有限公司 | Air upgrading and uploading method of terminal software |
| CN102799454B (en) * | 2012-07-13 | 2018-05-01 | 中广传播集团有限公司 | A kind of terminal software aerial upgrade and the method for loading |
| CN104102499A (en) * | 2013-04-02 | 2014-10-15 | 中兴通讯股份有限公司 | Mobile terminal and mobile terminal software upgrading method |
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