CN105187914A - Method for rapid burn-in of HDCPKEYs (High-bandwidth Digital Content Protection Key) - Google Patents
Method for rapid burn-in of HDCPKEYs (High-bandwidth Digital Content Protection Key) Download PDFInfo
- Publication number
- CN105187914A CN105187914A CN201510456245.XA CN201510456245A CN105187914A CN 105187914 A CN105187914 A CN 105187914A CN 201510456245 A CN201510456245 A CN 201510456245A CN 105187914 A CN105187914 A CN 105187914A
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- China
- Prior art keywords
- hdcpkey
- burned
- usb
- top box
- burn
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Classifications
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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
Abstract
The invention particularly relates to a method for rapid burn-in of HDCPKEYs (High-bandwidth Digital Content Protection Key). The method comprises the following steps that a set-top box automatically detects whether a FLASH fixed address is provided with a verified HDCPKEY through internal software before starting; if no, the internal software of the set-top box detects whether an effective USB (Universal Serial Bus) burn-in device is connected, and if yes, the internal software detects whether the count of counting files is greater than the number of the HDCPKEYs; if no, the set-top box takes out currently-used HDCPKEY and burns to the FLASH fixed address through reading the HDCPKEYs and the counting files of the USB burn-in device; the set-top box verifies whether the HDCPKEY in the FLASH fixed address is correct, if burn-in is correct, one is added to a value of the HDCPKEY in the FLASH fixed address; and a normal boot process is executed. In comparison with the prior art, the method for rapid burn-in of the HDCPKEYs, which is provided by the invention, adopts the more convenient and practical USB burn-in device and burns through the USB interface, so that the connecting lines and the manual PC (Personnel Computer) operation are reduced on stations, and effectiveness and reliability of burn-in are further guaranteed.
Description
Technical field
The present invention relates to field of set-top, particularly relate to the method for the quick burned HDCPKEY of a kind of Set Top Box.
Background technology
, in order to adapt to the high bandwidth of HDTV (High-Definition Television), there is HDMI in the arriving in HDTV (HDTV (High-Definition Television)) epoch.HDMI is a kind of high-definition digital interface standard, and it can provide very high bandwidth, nondestructively transmission digital video and audio signal.In order to ensure that the high definition signal that HDMI or DVI transmits can not illegally be recorded, just there is HDCP technology.HDCP technical specification completes by Intel is leading, and when user carries out bootlegging, this technology can be disturbed, and reduces the quality of the image copying out, thus protects content.
High definition set top box, when opening HDCP function, needs each Set Top Box HDCPKEY that all burning is corresponding, because each KEY is not identical, so when plant produced, needs to carry out independent burning process to each box.Namely method conventional is at present connected by serial ports, burned for the KEY file of correspondence address of specifying to FLASH.
There are some shortcomings in the method: 1, efficiency is low, one by one machine burning very holding time; 2 once after the burned mistake of KEY, and because counting adds one, KEY is before difficult to take out use again; 3, how loaded down with trivial details instrument is, needs Set Top Box to pick out serial ports line, and with PC communication, needs are manually ordered burned on PC, plug Serial Port Line again to next box after completing.
Summary of the invention
The object of the present invention is to provide one USB interface burned, burning efficiency is high, the method for the quick burned HDCPKEY that HDCPKEY can be avoided to waste.
For achieving the above object, the invention provides a kind of method of quick burned HDCPKEY, comprise following step:
Step one, Set Top Box is before start, and whether automatically detect FLASH fixed address by embedded software has the HDCPKEY verified; If so, then normal boot-strap flow process is performed; If not, then step 2 is performed;
Step 2, Set Top Box embedded software detects whether be connected with the burned equipment of effective USB, and whether root exists HDCPKEY file and accounting file; If not, then normal boot-strap flow process is performed; If so, then step 3 is performed;
Step 3, whether the counting of Set Top Box embedded software detection accounting file is greater than the quantity of HDCPKEY; If so, then normal boot-strap flow process is performed; If not, then step 4 is performed;
Step 4, Set Top Box, by reading HDCPKEY and the accounting file of the burned equipment of USB, is taken out the HDCPKEY needing at present to use, is burned onto FLASH fixed address;
Step 5, whether the HDCPKEY in verification FLASH fixed address is correct, and check value is synchronously write in FLASH to start shooting reading next time; If there is burned mistake, by interrupt operation; If burned errorless, the value of the HDCPKEY of burned for USB equipment is added one;
Step 6, performs normal boot-strap flow process.
Wherein, after described step 2 completes, also need to detect HDCPKEY whether specification, if not, then perform normal boot-strap flow process; If so, then step 3 is performed.
Wherein, in described step one in step 5, the result that each step is run all is presented on screen.
Wherein, described accounting file is used for counting, uses UltraEdit instrument can manual modification, when calculate HDCPKEY not time, stop counting and no longer open burning function, unless manual modification clearing.
Wherein, the burned equipment of described USB is the USB flash disk storing HDCPKEY and accounting file.
The method of quick burned HDCPKEY provided by the invention, has the following advantages:
1, change the method that conventional serial interface connects burning HDCPKEY, adopt the burned equipment of more convenient and practical USB, utilize USB interface burned, on station, not only decrease connecting line and artificial PC operate, more ensure that burned effectively and reliably;
2, change burned mode that PC says the word, utilize Set Top Box embedded software and the burned device talk of USB, automatically detect and issue orders, and real-time, interactive detects mistake, finally completes burning and points out, avoid mistake and inconvenience that manual operation may bring;
3, change burned one by one loaded down with trivial details of conventional serial interface, be kept at the burned equipment of SB by an accounting file, can carry out burned to multiple stage machine with the burned equipment of multiple SB simultaneously, substantially increase ageing, improve burned efficiency;
4, after HDCPKEY is burned onto FLASH fixed address by Set Top Box, whether the HDCPKEY that can verify in FLASH fixed address is correct, if burned errorless, just the value of the HDCPKEY of burned for USB equipment can be added one; If software does not finally complete burned verification, can not counting be added, and also can use and there is no burned successful HDCPKEY when namely next time uses, therefore, improve burned in cause HDCPKEY to waste due to mistake situation.
Accompanying drawing explanation
Fig. 1 is the flow chart that the method for quick burned HDCPKEY provided by the invention is sent out.
Embodiment
Consult Fig. 1, the method for quick burned HDCPKEY provided by the invention, comprises following step:
Step one, Set Top Box is before start, and whether automatically detect FLASH fixed address by embedded software has the HDCPKEY verified; If so, then normal boot-strap flow process is performed; If not, then step 2 is performed;
Step 2, Set Top Box embedded software detects whether be connected with the burned equipment of effective USB, and whether root exists HDCPKEY file and accounting file; If not, then normal boot-strap flow process is performed; If so, then step 3 is performed;
Step 3, whether the counting of Set Top Box embedded software detection accounting file is greater than the quantity of HDCPKEY; If so, then normal boot-strap flow process is performed; If not, then step 4 is performed;
Step 4, Set Top Box, by reading HDCPKEY and the accounting file of the burned equipment of USB, is taken out the HDCPKEY needing at present to use, is burned onto FLASH fixed address;
Step 5, whether the HDCPKEY in verification FLASH fixed address is correct, and check value is synchronously write in FLASH to start shooting reading next time; If there is burned mistake, by interrupt operation; If burned errorless, the value of the HDCPKEY of burned for USB equipment is added one;
Step 6, performs normal boot-strap flow process.
Compared to prior art, the method for quick burned HDCPKEY provided by the invention, has the following advantages:
1, change the method that conventional serial interface connects burning HDCPKEY, adopt the burned equipment of more convenient and practical USB, utilize USB interface burned, on station, not only decrease connecting line and artificial PC operate, more ensure that burned effectively and reliably;
2, change burned mode that PC says the word, utilize Set Top Box embedded software and the burned device talk of USB, automatically detect and issue orders, and real-time, interactive detects mistake, finally completes burning and points out, avoid mistake and inconvenience that manual operation may bring;
3, change burned one by one loaded down with trivial details of conventional serial interface, be kept at the burned equipment of SB by an accounting file, can carry out burned to multiple stage machine with the burned equipment of multiple SB simultaneously, substantially increase ageing, improve burned efficiency;
4, after HDCPKEY is burned onto FLASH fixed address by Set Top Box, whether the HDCPKEY that can verify in FLASH fixed address is correct, if burned errorless, just the value of the HDCPKEY of burned for USB equipment can be added one; If software does not finally complete burned verification, can not counting be added, and also can use and there is no burned successful HDCPKEY when namely next time uses, therefore, improve burned in cause HDCPKEY to waste due to mistake situation.
In the present embodiment, after step 2 completes, also need to detect HDCPKEY whether specification, if not, then perform normal boot-strap flow process; If so, then step 3 is performed.Not only after HDCPKEY is burned onto FLASH fixed address, verification can be performed; And, before burning, HDCPKEY whether specification can be detected, judge whether it is valid data, only just performs when specification burned, ensure that the Stability and veracity of burning.
In the present embodiment, step one is in step 5, and the result that each step is run all is presented on screen.The method comprises the prompt facility at UI interface, mainly by status error or successfully point out display, such as, in step 5, if there is burned mistake, by interrupt operation, and prints error message; If can success, be then presented on screen by result, make the producer adjust timely.
In the present embodiment, accounting file, only for counting, uses the instrument such as UltraEdit can manual modification, when calculate HDCPKEY file not time, stop counting and no longer open burning function, unless manual modification clearing.
In the present embodiment, the burned equipment of USB is the USB flash disk storing HDCPKEY and accounting file.The burned equipment of the USB not only compact of this structure, structure is simple, with low cost; And, easy to use, be conducive to the object realizing quick burned HDCPKEY.Certainly, this is only a specific embodiment of the present invention, and the structure of the burned equipment of USB of the present invention is not limited thereto, and also can be the other forms of equipment comprising HDCPKEY file and technological document.
These are only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a method of quick burned HDCPKEY, is characterized in that, comprises following step:
Step one, Set Top Box is before start, and whether automatically detect FLASH fixed address by embedded software has the HDCPKEY verified; If so, then normal boot-strap flow process is performed; If not, then step 2 is performed;
Step 2, Set Top Box embedded software detects whether be connected with the burned equipment of effective USB, and whether root exists HDCPKEY file and accounting file; If not, then normal boot-strap flow process is performed; If so, then step 3 is performed;
Step 3, whether the counting of Set Top Box embedded software detection accounting file is greater than the quantity of HDCPKEY; If so, then normal boot-strap flow process is performed; If not, then step 4 is performed;
Step 4, Set Top Box, by reading HDCPKEY and the accounting file of the burned equipment of USB, is taken out the HDCPKEY needing at present to use, is burned onto FLASH fixed address;
Step 5, whether the HDCPKEY in verification FLASH fixed address is correct, and check value is synchronously write in FLASH to start shooting reading next time; If there is burned mistake, by interrupt operation; If burned errorless, the value of the HDCPKEY of burned for USB equipment is added one;
Step 6, performs normal boot-strap flow process.
2. the method for quick burned HDCPKEY according to claim 1, is characterized in that, after described step 2 completes, also needs to detect HDCPKEY whether specification, if not, then performs normal boot-strap flow process; If so, then step 3 is performed.
3. the method for quick burned HDCPKEY according to claim 1, is characterized in that, in described step one in step 5, the result that each step is run all is presented on screen.
4. the method for quick burned HDCPKEY according to claim 1, is characterized in that, described accounting file is used for counting, use UltraEdit instrument can manual modification, when calculate HDCPKEY not time, stop counting and no longer open burning function, unless manual modification resets.
5. the method for quick burned HDCPKEY according to claim 1, is characterized in that, the burned equipment of described USB is the USB flash disk storing 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510456245.XA CN105187914B (en) | 2015-07-29 | 2015-07-29 | The method of quick burned HDCPKEY |
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| CN105187914A true CN105187914A (en) | 2015-12-23 |
| CN105187914B CN105187914B (en) | 2018-07-13 |
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Cited By (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 |
| CN107888978A (en) * | 2017-10-26 | 2018-04-06 | 深圳创维－Rgb电子有限公司 | KEY codes method for burn-recording, device and computer-readable recording medium |
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| 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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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 |
Cited By (3)
| 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 |
| CN107888978A (en) * | 2017-10-26 | 2018-04-06 | 深圳创维－Rgb电子有限公司 | KEY codes method for burn-recording, device and computer-readable recording medium |
| 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 |
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| Publication number | Publication date |
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| CN105187914B (en) | 2018-07-13 |
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