CN105187914B - The method of quick burned HDCPKEY - Google Patents
The method of quick burned HDCPKEY Download PDFInfo
- Publication number
- CN105187914B CN105187914B CN201510456245.XA CN201510456245A CN105187914B CN 105187914 B CN105187914 B CN 105187914B CN 201510456245 A CN201510456245 A CN 201510456245A CN 105187914 B CN105187914 B CN 105187914B
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- Prior art keywords
- hdcpkey
- burned
- usb
- top box
- equipment
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4184—External card to be used in combination with the client device, e.g. for conditional access providing storage capabilities, e.g. memory stick
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Stored Programmes (AREA)
Abstract
Present invention relates particularly to a kind of methods of quickly burned HDCPKEY, include the following steps：Set-top box detects whether FLASH fixing address has the HDCPKEY verified automatically before booting, by embedded software；If not, set-top box embedded software detects whether to be connected with the burned equipment of effective USB, if so, detection accounting file counts the quantity for whether being more than HDCPKEY；If not, HDCPKEY and accounting file of the set-top box by the reading burned equipment of USB, taking-up need HDCPKEY to be used, are burned onto FLASH fixing address at present；Whether the HDCPKEY verified in FLASH fixing address is correct, if burned errorless, the value of the HDCPKEY of the burned equipment of USB is added one；Execute normal boot-strap flow.Compared to the prior art, the method for quickly burned HDCPKEY provided by the invention, it is burned using USB interface using the more convenient and practical burned equipment of USB, connecting line and artificial PC operations are not only reduced on station, more ensure that burned effective and reliable.
Description
Technical field
The present invention relates to the methods of the quick burned HDCPKEY of field of set-top more particularly to set-top box a kind of.
Background technology
There is HDMI to adapt to the high bandwidth of high definition television in the arriving in HDTV (high definition television) epoch.HDMI is one
Kind high-definition digital interface standard, it can provide very high bandwidth, nondestructively transmission digital video and audio signal.In order to ensure
The high-resolution signal of HDMI or DVI transmission will not be recorded illegally, and there have been HDCP technologies.HDCP technical specifications by
The leading completions of Intel, when user carries out bootlegging, which can be interfered, and reduce the quality for copying the image come,
To be protected to content.
High definition set top box needs the corresponding HDCP KEY of each set-top box all burnings when opening HDCP functions, because
Each KEY is different from, so in plant produced, needs to carry out individual burning process to each box.Often at present
Method is connected by serial ports, the burned address specified to FLASH of corresponding KEY files.
There are some disadvantages for this method：1, efficiency is low, one by one machine burning very holding time；Once 2, KEY is burned
After mistake, add one due to counting, KEY before is difficult to further take out to use；3, how cumbersome tool is, and set-top box is needed to pick out string
Mouthful line is communicated with PC, needs manually to order on PC burned, plugs Serial Port Line again after the completion to next box.
Invention content
It is burned with USB interface that the purpose of the present invention is to provide a kind of, and burning is efficient, HDCPKEY can be avoided to waste
Quick burned HDCPKEY method.
To achieve the above object, the present invention provides a kind of method of quickly burned HDCPKEY, including following steps：
Step 1, whether set-top box detects before booting, by embedded software FLASH fixing address and have automatically verified
HDCPKEY；If it is, executing normal boot-strap flow；If it is not, then executing step 2；
Step 2, set-top box embedded software detect whether to be connected with the burned equipment of effective USB, and root whether there is
HDCPKEY files and accounting file；If it is not, then executing normal boot-strap flow；If it is, executing step 3；
Step 3, set-top box embedded software detection accounting file count the quantity for whether being more than HDCPKEY；If so,
Then execute normal boot-strap flow；If it is not, then executing step 4；
Step 4, set-top box take out by the HDCPKEY and accounting file of the reading burned equipment of USB and need to use at present
HDCPKEY, be burned onto FLASH fixing address；
Step 5, whether the HDCPKEY verified in FLASH fixing address is correct, and check value is synchronized and is write in FLASH
So as to the reading that is switched on next time；In case of burned mistake, by interrupt operation；If burned errorless, by the burned equipment of USB
The value of HDCPKEY adds one；
Step 6 executes normal boot-strap flow.
Wherein, after the completion of the step 2, it is also necessary to detect HDCPKEY whether specification, if it is not, then execute it is just normally opened
Machine flow；If it is, executing step 3.
Wherein, in the step 1 to step 5, the result of each step operation is shown on screen.
Wherein, the accounting file, can be with manual modification, when calculating is arrived using UltraEdit tools for counting
When HDCPKEY is inadequate, stops counting and be not then turned on burning function, unless manual modification is reset.
Wherein, the burned equipment of the USB is to store the USB flash disk of HDCPKEY and accounting file.
The method of quickly burned HDCPKEY provided by the invention, has the following advantages：
1, change the method for conventional serial interface connection burning HDCPKEY, using the more convenient and practical burned equipment of USB, profit
It is burned with USB interface, connecting line and artificial PC operations are not only reduced on station, more ensure that burned effective and reliable；
2, the burned mode that says the word on PC is changed, using set-top box embedded software and the burned device talks of USB, automatically
Detection is issued orders, and real-time, interactive detects mistake, is finally completed burning and prompts, avoids the mistake that manual operation may be brought
And inconvenience；
3, burned one by one cumbersome of conventional serial interface is changed, the burned equipment of SB is stored in by an accounting file,
More machines can be carried out at the same time with the burned equipment of multiple SB burned, substantially increase timeliness, improve burned efficiency；
4, after HDCPKEY is burned onto FLASH fixing address by set-top box, the HDCPKEY in FLASH fixing address can be verified
It is whether correct, if burned errorless, just the value of the HDCPKEY of the burned equipment of USB can be added one；If software is not finally completed
Burned verification will not add counting, i.e., can also no burned successful HDCPKEY be used therefore to improve when next time uses
The case where causing HDCPKEY to waste due to mistake in burned.
Description of the drawings
Fig. 1 is the flow chart of the method hair of quickly burned HDCPKEY provided by the invention.
Specific implementation mode
Refering to fig. 1, the method for quickly burned HDCPKEY provided by the invention, including following steps：
Step 1, whether set-top box detects before booting, by embedded software FLASH fixing address and have automatically verified
HDCPKEY；If it is, executing normal boot-strap flow；If it is not, then executing step 2；
Step 2, set-top box embedded software detect whether to be connected with the burned equipment of effective USB, and root whether there is
HDCPKEY files and accounting file；If it is not, then executing normal boot-strap flow；If it is, executing step 3；
Step 3, set-top box embedded software detection accounting file count the quantity for whether being more than HDCPKEY；If so,
Then execute normal boot-strap flow；If it is not, then executing step 4；
Step 4, set-top box take out by the HDCPKEY and accounting file of the reading burned equipment of USB and need to use at present
HDCPKEY, be burned onto FLASH fixing address；
Step 5, whether the HDCPKEY verified in FLASH fixing address is correct, and check value is synchronized and is write in FLASH
So as to the reading that is switched on next time；In case of burned mistake, by interrupt operation；If burned errorless, by the burned equipment of USB
The value of HDCPKEY adds one；
Step 6 executes normal boot-strap flow.
Compared to the prior art, the method for quickly burned HDCPKEY provided by the invention, has the following advantages：
1, change the method for conventional serial interface connection burning HDCPKEY, using the more convenient and practical burned equipment of USB, profit
It is burned with USB interface, connecting line and artificial PC operations are not only reduced on station, more ensure that burned effective and reliable；
2, the burned mode that says the word on PC is changed, using set-top box embedded software and the burned device talks of USB, automatically
Detection is issued orders, and real-time, interactive detects mistake, is finally completed burning and prompts, avoids the mistake that manual operation may be brought
And inconvenience；
3, burned one by one cumbersome of conventional serial interface is changed, the burned equipment of SB is stored in by an accounting file,
More machines can be carried out at the same time with the burned equipment of multiple SB burned, substantially increase timeliness, improve burned efficiency；
4, after HDCPKEY is burned onto FLASH fixing address by set-top box, the HDCPKEY in FLASH fixing address can be verified
It is whether correct, if burned errorless, just the value of the HDCPKEY of the burned equipment of USB can be added one；If software is not finally completed
Burned verification will not add counting, i.e., can also no burned successful HDCPKEY be used therefore to improve when next time uses
The case where causing HDCPKEY to waste due to mistake in burned.
In the present embodiment, after the completion of step 2, it is also necessary to detect HDCPKEY whether specification, if it is not, then executing normal
Starting procedure；If it is, executing step 3.Not only after HDCPKEY is burned onto FLASH fixing address, verification can be executed；
Moreover, before burning, can detect HDCPKEY whether specification, judge whether it is valid data, only just executes burning in specification
Enter, it is ensured that the Stability and veracity of burning.
In the present embodiment, in step 1 to step 5, the result of each step operation is shown on screen.This method
Include the prompt facility at the interfaces UI, mainly by status error or successfully prompt display, for example, in step 5, if hair
Raw burn enters mistake, by interrupt operation, and prints error message；If it succeeds, the results are shown on screen, make the producer
It can timely adjust.
In the present embodiment, accounting file is used only for counting, using the tools such as UltraEdit can manual modification,
When calculating inadequate to HDCPKEY files, stop counting and be not then turned on burning function, unless manual modification is reset.
In the present embodiment, the burned equipment of USB is to store the USB flash disk of HDCPKEY and accounting file.The USB of this structure is burnt
Enter equipment not only compact, it is simple in structure, it is of low cost；Moreover, it is easy to use, it is advantageously implemented quick burned HDCPKEY
Purpose.Certainly, this be only the present invention a specific embodiment, the structure of the burned equipment of USB of the invention is not limited to
This, or the other forms including HDCPKEY files and technological document equipment.
It these are only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of method of quickly burned HDCPKEY, which is characterized in that including following steps：
Step 1, whether set-top box detects before booting, by embedded software FLASH fixing address and have automatically verified
HDCPKEY；If it is, executing normal boot-strap flow；If it is not, then executing step 2；
Step 2, set-top box embedded software detect whether to be connected with the burned equipment of effective USB, and root whether there is
HDCPKEY files and accounting file；If it is not, then executing normal boot-strap flow；If it is, executing step 3；
Step 3, set-top box embedded software detection accounting file count the quantity for whether being more than HDCPKEY；If it is, holding
Row normal boot-strap flow；If it is not, then executing step 4；
Step 4, by the HDCPKEY and accounting file of the reading burned equipment of USB, taking-up needs to be used set-top box at present
HDCPKEY is burned onto FLASH fixing address；
Step 5, whether the HDCPKEY verified in FLASH fixing address correct, and check value synchronized write in FLASH so as to
Booting is read next time；In case of burned mistake, by interrupt operation；If burned errorless, by the burned equipment of USB
The value of HDCPKEY adds one；
Step 6 executes normal boot-strap flow；
After the completion of the step 2, it is also necessary to detect HDCPKEY whether specification, if it is not, then execute normal boot-strap flow；Such as
Fruit is to then follow the steps three；
In the step 1 to step 5, the result of each step operation is shown on screen；
The accounting file can arrive HDCPKEY not with manual modification for counting, using UltraEdit tools when calculating
When enough, stop counting and be not then turned on burning function, unless manual modification is reset；
The burned equipment of USB is to store the USB flash disk of HDCPKEY and accounting file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456245.XA CN105187914B (en) | 2015-07-29 | 2015-07-29 | The method of quick burned HDCPKEY |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456245.XA CN105187914B (en) | 2015-07-29 | 2015-07-29 | The method of quick burned HDCPKEY |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105187914A CN105187914A (en) | 2015-12-23 |
| CN105187914B true CN105187914B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510456245.XA Active CN105187914B (en) | 2015-07-29 | 2015-07-29 | The method of quick burned HDCPKEY |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465951A (en) * | 2017-08-15 | 2017-12-12 | 深圳市芯智科技有限公司 | A kind of OTP encryption methods for set top box |
| CN107888978B (en) * | 2017-10-26 | 2020-08-28 | 深圳创维－Rgb电子有限公司 | KEY code burning method and device and computer readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630238A (en) * | 2009-08-14 | 2010-01-20 | Tcl通力电子（惠州）有限公司 | HDCP KEY recording device and HDCP KEY recording method |
| CN101887754A (en) * | 2010-06-29 | 2010-11-17 | 深圳创维－Rgb电子有限公司 | Method and device for burning HDCP Key and digital equipment |
| CN102522119A (en) * | 2011-12-14 | 2012-06-27 | 广东长虹电子有限公司 | Method and digital device for intelligently burning HDCP (High-bandwidth Digital-content Copy Protection) KEY |
-
2015
- 2015-07-29 CN CN201510456245.XA patent/CN105187914B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630238A (en) * | 2009-08-14 | 2010-01-20 | Tcl通力电子（惠州）有限公司 | HDCP KEY recording device and HDCP KEY recording method |
| CN101887754A (en) * | 2010-06-29 | 2010-11-17 | 深圳创维－Rgb电子有限公司 | Method and device for burning HDCP Key and digital equipment |
| CN102522119A (en) * | 2011-12-14 | 2012-06-27 | 广东长虹电子有限公司 | Method and digital device for intelligently burning HDCP (High-bandwidth Digital-content Copy Protection) KEY |
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| CN105187914A (en) | 2015-12-23 |
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