CN103428560B - A kind of method of KEY code burning and device - Google Patents
A kind of method of KEY code burning and device Download PDFInfo
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- CN103428560B CN103428560B CN201310384816.4A CN201310384816A CN103428560B CN 103428560 B CN103428560 B CN 103428560B CN 201310384816 A CN201310384816 A CN 201310384816A CN 103428560 B CN103428560 B CN 103428560B
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Abstract
The present invention is applied to cryptosecurity field, there is provided a kind of method of KEY code burning and device, and the method for described KEY code burning includes：The interface of terminal is connected with the burning interface of the memorizer in DTV by interface convertor；Described KEY code burning in which memory by the output of described terminal.Therefore, the present invention sets up the coupling between the interface of described terminal and the burning interface of described memorizer beforehand through interface convertor and is connected, and then completes the KEY code burning that terminal-pair memorizer is carried out.
Description
Technical field
The invention belongs to cryptosecurity field, more particularly, to a kind of method of KEY code burning and device.
Background technology
In recent years, progressively towards digitized, networking and intelligent direction developed DTV, numeral
TV can provide more abundant programme content, in order to protect programme content, occurs in that perhaps with arising at the historic moment
How related resist technology, wherein, conventional resist technology is burning KEY code.For example：In order to ensure to adopt
The high-resolution signal of HDMI or DVI interface transmission is not illegally recorded, and correspondingly employs high bandwidth
Digital content protection technology（High-bandwidth Digital Content Protection, HDCP）, that is, adopt
With cipher authentication；In order to allow DTV have network communicating function, in DTV, embedded in network card is simultaneously
There is corresponding MAC Address.
The mode of the burning KEY code of use is at present：In advance the KEY code system of this DTV is made bar
Code is scanned with will pass through laser instrument, then by the programmable device in preregulator by the KEY scanning code programming
To in bar code；The mode of this kind of burning KEY code suffers from the drawback that：
1）Must have higher cost using special preregulator.
2）Special bar code, joint strip code must be printed in advance, and burning, operating process can not be repeated
Complexity, easily malfunctions.
3）Selectivity programming can not be carried out to KEY code, and can only be once during preregulator programming KEY code
Property burning class specific KEY code, such as：The key of HDCP, MAC Address, the key of Netflix.
4）New KEY code can not be added on the basis of burning KEY code and carry out burning, for example：Need
CI+ to be added, then must arrive manufacturer and be upgraded.
5）Offline burning can not be carried out it is necessary to after digital television opening, and arrange in factory menu and " release
Put bus " after just can carry out the burning of KEY code.
Content of the invention
It is an object of the invention to provide a kind of method of KEY code burning, by terminal directly to numeral electricity
Depending in memorizer carry out the burning of KEY code.
On the one hand, the present invention provides a kind of method of KEY code burning, the method bag of described KEY code burning
Include：
The interface of terminal is connected with the burning interface of the memorizer in DTV by interface convertor；
Described KEY code burning in which memory by the output of described terminal.
On the one hand, the present invention provides a kind of device of KEY code burning, the device bag of described KEY code burning
Include：
Interface conversion unit, for passing through the memorizer in interface convertor and DTV by the interface of terminal
Burning interface connect；
Burning unit, for the described KEY code burning in which memory exporting described terminal.
In the present invention, the interface of described terminal and described memorizer is set up beforehand through interface convertor
Coupling between burning interface connects, and then completes the KEY code burning that terminal-pair memorizer is carried out.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to embodiment or existing skill
Art description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only
It is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying creative labor
On the premise of dynamic property, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the workflow diagram of the method for KEY code burning that the embodiment of the present invention one provides；
Fig. 2 is the composition structure chart of the device of KEY code burning that the embodiment of the present invention two provides.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and reality
Apply example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only in order to explain the present invention, it is not intended to limit the present invention.
In order to technical solutions according to the invention are described, to illustrate below by specific embodiment.
Embodiment one：
A kind of method of KEY code burning that the present embodiment provides, Fig. 1 shows the side of this KEY code burning
Method realize flow process, for the ease of description, illustrate only the part related to the embodiment of the present invention.
A kind of method of KEY code burning, the method for described KEY code burning includes：
Step S11, the interface of terminal is connect by the burning of the memorizer in interface convertor and DTV
Mouth connects.
It should be noted that described terminal is to have the terminal writing KEY code ability, including computer, pen
The terminals such as note basis, IPAD.It should be noted that described KEY code includes：The key of HDCP, MAC
Address, key of Netflix etc. is used for the binary coding of safety certification.
It should be noted that for the secure communication realizing DTV and terminal, DTV needs to use
KEY code is verified, for example, it is desired to the key of the key, MAC Address or Netflix using HDCP
Verified Deng KEY code；Wherein, described KEY code burning is in DTV.
In the present embodiment, described memorizer is scratch pad memory；For example：The depositing of model AT24XX
Reservoir.
Specifically, because the burning interface of the memorizer in DTV is pre-designed, therefore, when need
During by the KEY having write in described terminal code programming in the described memorizer of described DTV, need
To be pre-build between the interface of described terminal and the burning interface of described memorizer using described interface convertor
Coupling connect.
As one embodiment of the invention, described interface convertor, specially：
The interface conversion of terminal is the interface convertor of I2C interface.
So, if described memorizer adopts I2C bus and external connection, therefore, described interface convertor needs
The interface conversion of described terminal is I2C interface to realize being connected with the coupling of I2C bus.
As one embodiment of the invention, further, described interface convertor is specially：
USB interface is converted to the interface convertor of I2C interface.
So, when the interface that terminal uses is USB interface, end is capable of using described interface convertor
The interface at end is connected with the coupling of the burning interface of described memorizer.
Preferably, described interface convertor is：The interface convertor of FT2232 series, for example：Having will
USB interface is converted to the FT2232D interface convertor of I2C interface.
Step S12, by the described KEY code burning in which memory of described terminal output.
So, after the interface of terminal to be done completes to be connected with the burning interface of the memorizer in DTV,
Terminal can send to memorizer KEY code with burning.
As one embodiment of the invention, the described KEY code in the described output by described terminal is in described storage
The step carrying out burning in device, specifically includes：
Receive the storage address of described terminal output；
Receive the described KEY code of described terminal output；
KEY code described in described storage address burning in which memory.
It should be noted that the byte address group of the address by memorizer for the described storage address and described memorizer
Become.Therefore, if terminal needs memorizer is carried out with the burning of KEY code, device to be stored receives described terminal
During the storage address of output, realize the selection to the byte address in described memorizer.
In the present embodiment, memorizer receives the storage address from the output of described terminal by I2C bus
And feed back and normally receive, then memorizer receives the write signal of self terminal feeding back and normally receives, then
Burning can be started from described storage address to the KEY code next receiving.
As one embodiment of the invention, in order to verify whether to complete in memory the correct burning of KEY code,
The method of described KEY code burning also includes：
Receive the storage address of described terminal output；
Described storage address from described memorizer reads described KEY code；
Described KEY code is sent to whether described terminal is correct with the described KEY code verifying burning.
In the present embodiment, after completing the burning of KEY code in memory, when terminal needs this is deposited
When the KEY code of burning in reservoir carries out the checking of correctness, memorizer can receive the institute of self terminal transmission
State storage address to complete the selection to the byte address in described memorizer；Memorizer to be received to from end
After the read signal at end, the KEY code that the byte address from described memorizer is started to read out sent to end
End；Whether terminal completes correctly to verify when the KEY code of time burning.
In the present embodiment, the interface setting up described terminal beforehand through interface convertor is needed to deposit with described
Coupling between the burning interface of reservoir connects；Thus the KEY code burning that terminal-pair memorizer is carried out just can be completed
Record, the correctness completing the KEY code of terminal-pair memory burn is verified.
In addition, the method for the KEY code burning being provided by the present embodiment, it is possible to achieve in described memorizer
In carry out the burning again of KEY code；Thus when KEY code changes, or the other type of burning ought be needed
KEY code when, can by erasable for the former KEY code in memorizer fall and burning in which memory again
New KEY code.
Further, since terminal can be connected with multiple memorizeies, described multiple memorizeies can be carried out identical/
The burning of different KEY codes.
In addition, after digital television opening, and the situation of " release I2C bus " is set in factory menu
Under, it is possible to achieve memorizer is completed with the burning of KEY code.In the case that DTV is not started shooting, still
The KEY code burning to memorizer can be realized.
Those of ordinary skill in the art are further appreciated that all or part step realizing in above-described embodiment method
Suddenly the program that can be by complete come the hardware to instruct correlation, and described program can be stored in a calculating
In machine read/write memory medium, described storage medium, including ROM/RAM, disk, CD etc..
Embodiment two：
Fig. 2 shows the composition structure of the device of KEY code burning that the embodiment of the present invention two provides, in order to
It is easy to describe, illustrate only the part related to the embodiment of the present invention.
It should be noted that the KEY that the device of KEY code burning that the present embodiment provides is provided with embodiment one
The method of code burning is mutually applicable.Each functional unit that the device of the KEY code burning that the present embodiment provides includes
Can be unit that software unit, hardware cell or software and hardware combine it is also possible to as independent suspension member
Or run in the system including described terminal and described DTV.
A kind of device of KEY code burning, the device of described KEY code burning includes：
Interface conversion unit 21, for passing through the storage in interface convertor and DTV by the interface of terminal
The burning interface of device connects；
Burning unit 22, for the described KEY code burning in which memory exporting described terminal.
As one embodiment of the invention, described interface convertor, specially：
The interface conversion of terminal is the interface convertor of I2C interface.
As one embodiment of the invention, described interface convertor, specially：
USB interface is converted to the interface convertor of I2C interface.
As one embodiment of the invention, described burning unit 22 specifically includes：
First address receiving unit 221, for receiving the storage address of described terminal output；
KEY code receiving unit 222, for receiving the described KEY code of described terminal output；
KEY code burning unit 223, for KEY described in described storage address burning in which memory
Code.
As one embodiment of the invention, in order to verify the correctness of the KEY code of burning, described KEY code burns
The device of record also includes：
Second address receiving unit 23, receives the storage address of described terminal output；
Reading unit 24, reads described KEY code for the described storage address from described memorizer；
Transmitting element 25, for sending to described terminal described KEY code to verify the described KEY of burning
Whether code is correct.
In embodiments of the present invention, the interface setting up described terminal beforehand through interface convertor is deposited with described
Coupling between the burning interface of reservoir connects, and then completes the KEY code burning that terminal-pair memorizer is carried out；
In addition, after the KEY code burning completing memorizer, terminal read the KEY code of burning in memorizer with
The correctness of KEY code burning is verified.
It will be appreciated by those skilled in the art that the unit including for above-described embodiment two is simply patrolled according to function
Volume divided, but be not limited to above-mentioned division, as long as being capable of corresponding function；Separately
Outward, the specific name of each functional unit, also only to facilitate mutual distinguish, is not limited to the present invention's
Protection domain.
Above content is further description made for the present invention with reference to specific preferred implementation, no
Can assert the present invention be embodied as be confined to these explanations.Common for the technical field of the invention
For technical staff, make some equivalent substitutes or obvious modification without departing from the inventive concept of the premise,
And performance or purposes are identical, the present invention all should be considered as belonging to special by claims determination submitted to
Sharp protection domain.
Claims (8)
1. a kind of method of KEY code burning is it is characterised in that the method bag of described KEY code burning
Include：
The burning interface that the interface of terminal is passed through the memorizer in interface convertor and DTV connects
Connect；
Described KEY code burning in which memory by the output of described terminal；
The step that the described described KEY code by the output of described terminal carries out burning in which memory,
Specifically include：
Receive the storage address of described terminal output；
Receive the described KEY code of described terminal output；
KEY code described in described storage address burning in which memory.
2. the method for KEY code burning as claimed in claim 1 is it is characterised in that described interface
Transducer is specially：
The interface conversion of terminal is the interface convertor of I2C interface.
3. the method for KEY code burning as claimed in claim 2 is it is characterised in that described interface
Transducer is specially：
USB interface is converted to the interface convertor of I2C interface.
4. the method for KEY code burning as claimed in claim 1 is it is characterised in that described KEY
The method of code burning also includes：
Receive the storage address of described terminal output；
Described storage address from described memorizer reads described KEY code；
Described KEY code is sent to whether described terminal is correct with the described KEY code verifying burning.
5. a kind of device of KEY code burning is it is characterised in that the device bag of described KEY code burning
Include：
Interface conversion unit, for passing through depositing in interface convertor and DTV by the interface of terminal
The burning interface of reservoir connects；
Burning unit, for the described KEY code burning in which memory exporting described terminal；
Described burning unit specifically includes：
First address receiving unit, for receiving the storage address of described terminal output；
KEY code receiving unit, for receiving the described KEY code of described terminal output；
KEY code burning unit, for KEY described in described storage address burning in which memory
Code.
6. the device of KEY code burning as claimed in claim 5 is it is characterised in that described interface
Transducer, specially：
The interface conversion of terminal is the interface convertor of I2C interface.
7. the device of KEY code burning as claimed in claim 6 is it is characterised in that described interface
Transducer, specially：
USB interface is converted to the interface convertor of I2C interface.
8. the device of KEY code burning as claimed in claim 5 is it is characterised in that described KEY
The device of code burning also includes：
Second address receiving unit, receives the storage address of described terminal output；
Reading unit, reads described KEY code for the described storage address from described memorizer；
Transmitting element, for sending to described terminal described KEY code to verify the described KEY code of burning
Whether correct.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310384816.4A CN103428560B (en) | 2013-08-29 | 2013-08-29 | A kind of method of KEY code burning and device |
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| CN201310384816.4A CN103428560B (en) | 2013-08-29 | 2013-08-29 | A kind of method of KEY code burning and device |
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| CN103428560B true CN103428560B (en) | 2017-03-01 |
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| CN105161130B (en) * | 2014-05-28 | 2019-06-07 | 惠州市德赛西威汽车电子股份有限公司 | The EEPROM online burning of automobile instrument and method of calibration |
| CN104991848A (en) * | 2015-07-13 | 2015-10-21 | 深圳创维－Rgb电子有限公司 | Method and system for implementing Key code burning on basis of MSComm control |
| CN109495527B (en) * | 2017-09-12 | 2021-11-02 | 北京普源精电科技有限公司 | Oscilloscope and upgrading method thereof |
| 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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| CN201042054Y (en) * | 2007-02-13 | 2008-03-26 | 四川长虹电器股份有限公司 | Digital multimedia TV |
| 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 |
| CN102970601A (en) * | 2012-11-27 | 2013-03-13 | 康佳集团股份有限公司 | Television based automatic drive loading processing method and television |
| CN103176820B (en) * | 2013-02-27 | 2016-08-03 | 深圳创维数字技术有限公司 | A kind of method for burn-recording of software |
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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 |
| CN101740112A (en) * | 2009-11-27 | 2010-06-16 | 深圳创维－Rgb电子有限公司 | Fool-proofing method for external parallel memory |
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Effective date of registration: 20210713 Address after: Room 821, No. 333, jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Huangpu District, Guangzhou, Guangdong 510700 Patentee after: Skyworth Group Intelligent Technology Co., Ltd Address before: 510530 No.99, Kaida Road, Science City, Guangzhou Development Zone, Guangdong Province Patentee before: GUANGZHOU SKYWORTH FLAT DISPLAY TECHNOLOGY Co.,Ltd. |
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