CN106778380B - The lighting method and system of screen - Google Patents
The lighting method and system of screen Download PDFInfo
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- CN106778380B CN106778380B CN201611062358.2A CN201611062358A CN106778380B CN 106778380 B CN106778380 B CN 106778380B CN 201611062358 A CN201611062358 A CN 201611062358A CN 106778380 B CN106778380 B CN 106778380B
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- key
- terminal
- screen
- clocking value
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Calculators And Similar Devices (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the invention discloses a kind of lighting methods of screen, the screen includes screen body and driving chip, the driving chip include key generator and for timing without source crystal oscillator, the key generator chooses key in preset cipher key list according to the clocking value of the no source crystal oscillator, the cipher key list includes the associated key of multiple groups and clocking value, the described method includes: Xiang Suoshu terminal sends key and clocking value when detecting the screen connection terminal and obtaining electric power by the terminal；Receive the judging result whether terminal meets preset condition for the key and clocking value；When the judging result is to meet, the screen body is lighted.The present invention uses multiple groups key, and every group of term of validity is a period of time, so capturing completely, all key difficulty are big, and the time is long, decodes the period to extend.
Description
Technical field
The present invention relates to display screen technology field, in particular to the lighting method and system of a kind of screen.
Background technique
The imitative screen body of current phone market in repair service height is large number of, we are commonly called as " smuggled goods screen ".Height imitates the usual way of screen
Other initialization items other than standby, booting display two instructs are passed through into dynamic password (One-time Password)
Burning is into register.Screen body, which need to only recognize wake-up and idsplay order, to be lighted.It, can be by encryption side for original-pack screen body
Formula reduces the risk substituted.
In the prior art, using driving chip (Driver IC) burning identity number (ID) value of screen body, but the ID
Value can be captured by oscillograph, therefore be easy to be cracked.
Summary of the invention
The purpose of the embodiment of the present invention is that the lighting method and system of a kind of screen are provided, to solve in the prior art
The cipher mode of OLED display screen is easy the problem of being cracked.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of lighting method of screen, the screen includes screen
Body and driving chip, the driving chip include key generator and for timing without source crystal oscillator, the key generator root
Key is chosen in preset cipher key list according to the clocking value of the no source crystal oscillator, the cipher key list includes that multiple groups are associated
Key and clocking value, which comprises
When detecting screen connection terminal and obtaining electric power by the terminal, Xiang Suoshu terminal send key with
Clocking value；
Receive the judging result whether terminal meets preset condition for the key and clocking value；
When the judging result is to meet, the screen body is lighted.
Further, the cipher key list is stored respectively in the driving chip and terminal.
Further, described to specifically include to terminal transmission key and clocking value: the transmission of Xiang Suoshu terminal passes through
Preset rules carry out encrypted clocking value.
Further, the key generator selects in preset cipher key list according to the clocking value of the no source crystal oscillator
It takes key to specifically include: choosing the associated key of clocking value with the no source crystal oscillator.
Further, the terminal includes the timing unit for timing, and it is pre- whether the key and clocking value meet
If the judging result of condition specifically includes:
Judge whether clocking value received by the terminal is consistent with the timing unit clocking internal value；
If so, the clocking value according to received by the terminal inquires the cipher key list, associated key is obtained；
Judge inquired key whether with received key agreement；
If so, determining that the key and clocking value meet preset condition.
The embodiment of the invention also provides a kind of screen lighting systems, are used to light the screen of connection terminal, the screen
Curtain includes screen body and driving chip, and the driving chip includes that no source crystal oscillator, key generator, input-output unit and display are single
Member, in which:
The no source crystal oscillator is used for timing；
The key generator is used to choose key in preset cipher key list according to the clocking value of the no source crystal oscillator,
The cipher key list includes the associated key of multiple groups and clocking value；
The input-output unit is used to detect the screen connection terminal and obtain electricity by the terminal
When power, Xiang Suoshu terminal sends key and clocking value；And receive whether the terminal meets for the key and clocking value
The judging result of preset condition；
The display unit is used to light the screen body when the judging result is to meet.
Further, the driving chip further includes the first storage unit, and the terminal includes the second storage unit, institute
It states cipher key list and is stored respectively in first storage unit, in the second storage unit.
Further, described to specifically include to terminal transmission key and clocking value: the transmission of Xiang Suoshu terminal passes through
Preset rules carry out encrypted clocking value.
Further, the key generator selects in preset cipher key list according to the clocking value of the no source crystal oscillator
It takes key to specifically include: choosing the associated key of clocking value with the no source crystal oscillator.
Further, the terminal includes the timing unit for timing, and the preset condition specifically includes:
Clocking value received by the terminal is consistent with the timing unit clocking internal value；
And the cipher key list is inquired according to the clocking value that the terminal receives, associated key is obtained, is inquired
The key and received key agreement arrived.
As the above technical solution provided in an embodiment of the present invention as it can be seen that screen provided by the embodiment of the present invention is lighted and is
System, hardware components only need to add in existing driving chip can be realized without source crystal oscillator, encrypt low in cost.The present invention is real
The lighting method of screen provided by example is applied using multiple groups key, every group of term of validity is a period of time, so institute is captured completely
There is key difficulty big, the time is long, decodes the period to extend.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the screen in the embodiment of the present invention one lights systematic difference schematic diagram of a scenario；
Fig. 2 is the schematic diagram of the screen lighting method in the embodiment of the present invention one；
Fig. 3 is the module map of the screen in the embodiment of the present invention two；
Fig. 4 is the module map of the screen lighting system in the embodiment of the present invention two；
Fig. 5 is the module map of the driving crystal in the screen lighting system in the embodiment of the present invention two；
Fig. 6 is the schematic diagram of the terminal in the embodiment of the present invention two.
Specific embodiment
The embodiment of the present invention provides the lighting method and system of a kind of screen.Since screen body in the prior art receives and sends out
It is unavoidable that the number of delivering letters, which can be captured, then the invention proposes a kind of dynamic ciphering systems, in order to be extended broken
Translate the period.Key dynamic change is realized by driving inner wafer clocking value, and carries out key verification with terminal；It is correct then light
Shield body, mistake is not lighted then.
Embodiment one:
As shown in Figures 1 to 4, the screen 100 in embodiment one includes screen body 10 and driving chip 20, and driving chip 20 includes
For the key generator 2 without source crystal oscillator 1 and for generating key of timing, key caused by key generator 2 is according to nothing
The variation of the clocking value of source crystal oscillator 1 adjusts.
Specifically, key generator 2 is to choose key in preset cipher key list according to the clocking value of no source crystal oscillator 1,
Choose be and the associated key of the clocking value of no source crystal oscillator.Wherein, cipher key list includes the associated key of multiple groups and timing
Value.
It is mounted in terminal 200 for the first time when terminal 200 provides electric power to screen 100 for the first time, that is, in screen 100
When, no source crystal oscillator 1 starts timing, and the initial value of clocking value can be the current time.Clocking value can be to pass through preset rules
Encrypted clocking value is carried out, conventional use of preset rules can be used, for example, preset rules can be the number to clocking value
Word string is upset by sequence to be covered.Cipher key list can be stored respectively in driving chip 20 and terminal 200.
Key caused by key generator 2 adjusts according to the variation of the clocking value of no source crystal oscillator 1 and specifically includes: key
Key caused by generator 2 is using the single group key in cipher key list, and single group key is according to the change of the clocking value of no source crystal oscillator 1
Change adjusting for selectivity.For example, when clocking value is one month, only with single group key effective in one month as close
Key, when clocking value is two months, using single group key effective in second month as key.Namely each clocking value
In term of validity, used key is the variation with clocking value and dynamic change.
Screen lighting method in embodiment one includes:
S1: it when detecting that screen 100 connects terminal 200 and obtains electric power by terminal 200, is sent to terminal 200 close
Key and clocking value.
In S1, clocking value can be unit the moon, and cipher key list can be corresponding different there are 100 groups of 100 months
32 digit keys, every group of 32 digit keys corresponding validity period is 1 month, then 100 groups can be used 100 months, 100 months
This 100 groups 32 different digit keys can also be reused later.It is empty that storage is reserved in driving chip 20, terminal 200 respectively
Between to store cipher key list, reserved storage space can be the space 2KB, driving chip 20 in store 100 groups of different 32
Number key；Terminal 200 have correct key for verification, single group key term of validity can be the clocking value period be one month,
Situations such as can be two months replaces another a different set of single group key every a clocking value period.Above-mentioned terminal 200 can
To be the terminal devices such as mobile phone, plate, key can be sent to driving chip 20 before each wake-up of terminal 200 or boot action
Receive request, thus every time booting can judge screen 100 whether be encrypted authorization original-pack screen.
S2: the judging result whether terminal 200 meets preset condition for key and clocking value is received.
Terminal 200 includes the timing unit (not shown) for timing, and whether key and clocking value meet default item
The judgement of part specifically includes:
Judge whether clocking value received by terminal 200 is consistent with timing unit clocking internal value；
If so, cipher key list in the inquiry terminal 200 of the clocking value according to received by terminal 200, obtains associated close
Key content；
Judge whether inquired cipher key content is consistent with received cipher key content；
If so, determining that key and clocking value meet preset condition.
It is, judge the key sent to terminal 200 whether with stored in terminal 200 in pre-designed timing value ranges
Whether key agreement, clocking value are in pre-designed timing value ranges.It should be noted that the condition judged is needed to have two, one
Be: received key whether within the scope of clocking value (i.e. term of validity, for example, using the moon as the period replace key when, when effective
When time limit is one month) key agreement in terminal 200；The second is: whether clocking value is within term of validity.Above-mentioned condition
In any one condition be unsatisfactory for, then do not meet preset condition, only two conditions all meet, and just meet default item
Part.
S3: whether judging result is to meet.
If meeting, then enter S4；If not meeting, enter S5.
S4: screen body 10 is lighted.
S5: screen body 10 is not lighted in starting self-protection.
The lighting method of screen 100 provided by the embodiment of the present invention one uses multiple groups key, and every group of term of validity is one
The section time, and to judge whether clocking value is effective simultaneously, so capturing completely, all key difficulty are big, and the time is long, thus greatly
Extend decode the period.
Embodiment two:
As shown in Fig. 1,3,4, embodiment two provides a kind of screen lighting system, is used to light connection terminal 200
Screen 100, screen 100 include screen body 10 and driving chip 20, and driving chip 20 includes no source crystal oscillator 1, key generator 2, defeated
Enter output unit 3 and display unit 4.
Wherein, screen 100 is mounted at the reserved area 201 of terminal 200, is passed through between terminal 200 and screen 100
Transmission line 101 is connected, and terminal 200 provides electric power to screen 100 by transmission line 101.Between terminal 200 and driving chip 20
Data are also transmitted by transmission line 101.Transmission line 101, which can be, transmits electric energy and (or) electricity in a manner of transverse electro-magnetic wave (TEM)
Signal it is guided wave structure.
No source crystal oscillator 1 is used for timing.
It is mounted in terminal 200 for the first time when terminal 200 provides electric power to screen 100 for the first time, that is, in screen 100
When, no source crystal oscillator 1 starts timing, and the initial value of clocking value can be the current time.Clocking value can be to pass through preset rules
Encrypted clocking value is carried out, conventional use of preset rules can be used, for example, preset rules can be the number to clocking value
Word string is upset by sequence to be covered.
Key generator 2 is for generating key, and key caused by key generator 2 is according to the clocking value of no source crystal oscillator 1
Variation adjust.
Specifically, key generator 2 is to choose key in preset cipher key list according to the clocking value of no source crystal oscillator 1,
Cipher key list includes the associated key of multiple groups and clocking value.The timing that can be with no source crystal oscillator 1 that key generator 2 is chosen
It is worth associated key.Key caused by key generator 2 is using the single group key in cipher key list, and single group key is according to passive
The variation selectivity of the clocking value of crystal oscillator 1 adjusts.For example, when clocking value is one month, only with effective in one month
Single group key as key, when clocking value is two months, using single group key effective in second month as key.
It is exactly in the term of validity of each clocking value, used key is the variation with clocking value and dynamic change.
Input-output unit 3 is used to detect the connection terminal 200 of screen 100 and obtain electric power by terminal 200
When, key and clocking value are sent to terminal 200；And it receives terminal 200 and whether meets preset condition for key and clocking value
Judging result.
Terminal 200 includes the timing unit (not shown) for timing, and whether key and clocking value meet default item
The judgement of part is identical as above-described embodiment one.For example, the judgement for whether meeting preset condition to key and clocking value specifically includes:
Judge the key sent to terminal 200 whether with the key agreement, the clocking value that are stored in terminal 200 in pre-designed timing value ranges
Whether in pre-designed timing value ranges.It should be noted that the condition judged is needed to have two, and one is: received key is
Within the scope of no and clocking value (i.e. term of validity, such as when replacing key as the period using the moon, when term of validity is one month)
Key agreement in terminal 200；The second is: whether clocking value is within term of validity.Any one item in above-mentioned condition
Part is unsatisfactory for, then does not meet preset condition, and only two conditions all meet, and just meets preset condition.
Display unit 4 is used to light screen body 10 when the judging result is to meet.
As shown in Figure 5,6, it is lighted in system-based in the screen of embodiment two, the can also be increased in driving chip 20
One storage unit 5 increases by the second storage unit 202 in terminal 200.Cipher key list can be stored respectively in the first storage unit 5
In the second storage unit 202.
First storage unit 5, the second storage unit 202 memory space can be the space 2KB.
100 groups of 32 different digit keys are stored in the first storage unit 5；Second storage unit 202 has correct close
For key for verification, it is one month that single group key term of validity, which can be the clocking value period, situations such as being also possible to two months, Mei Geyi
A clocking value period replaces another a different set of single group key.Above-mentioned terminal 200 can be the terminal devices such as mobile phone, plate, eventually
Key reception request can be sent before each wake-up in end 200 or boot action to driving chip 20, thus each be switched on all may be used
With judge screen 100 whether be encrypted authorization original-pack screen.
As shown in figure 5, preferably, in screen lighting system in above-described embodiment, driving chip 20 can also include
Driving power 6, supply voltage needed for driving power 6 is used to for the electric power that terminal 200 provides to be adjusted to driving chip 20, thus
To driving chip 20 in without source crystal oscillator 1, key generator 2, input-output unit 3 and display unit 4, the first storage unit 5
Power supply.
The working principle of screen lighting system in embodiment two specifically can be such that driving chip 20 is whole in first connection
Timing is started using no source crystal oscillator 1 when holding 200, the space 2KB is reserved respectively inside driving chip 20 and terminal 200 and stores 100 groups
32 different digit keys, 200 platform of terminal wake up every time or boot action before can all send key reception request.Drive chip
20 " return " key"s and clocking value for matched correct key are as clocking value changes in terminal 200.Judge the meter returned
Whether duration is consistent with terminal 200, and whether the key returned is correct key.The two result is point in the case where being
Bright screen body 10.
The hardware components of screen lighting system in embodiment two only need to add in existing driving chip 20 passive
Crystal oscillator 1 can be realized, and encrypt low in cost.Used key is different within each clocking value term of validity, so i.e.
Make the key for having cracked last clocking value term of validity, can not be used for a long time, it is easy to identify without no source crystal oscillator 1
The imitative screen of height imitates screen even with the height of no source crystal oscillator 1, since key is in dynamic change, be difficult to capture multiple groups key with
And its changing rule, increase decode the period, such as: 100 group keys, every group term of validity one month, capture completely all close
Key takes a long time.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also including
Other elements that are not explicitly listed, or further include for this process, method, commodity or the intrinsic element of equipment.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, there is also other identical elements in commodity or equipment.
It will be understood by those skilled in the art that the embodiment of the present invention can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above description is only an embodiment of the present invention, is not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (8)
1. a kind of lighting method of screen, which is characterized in that the screen includes screen body and driving chip, the driving chip packet
Include key generator and for timing without source crystal oscillator and input-output unit and display unit, the key generator root
Key is chosen in preset cipher key list according to the clocking value of the no source crystal oscillator, the cipher key list includes that multiple groups are associated
Key and clocking value, which comprises
When detecting screen connection terminal and by terminal acquisition electric power, the input-output unit is to the end
End sends key and clocking value；
The input-output unit receives the judgement the knot whether terminal meets preset condition for the key and clocking value
Fruit；
When the judging result is to meet, the display unit lights the screen body；
Wherein, the terminal includes the timing unit for timing, and whether the key and clocking value meet sentencing for preset condition
Disconnected result specifically includes:
Judge whether clocking value received by the terminal is consistent with the timing unit clocking internal value；
If so, the clocking value according to received by the terminal inquires the cipher key list, associated key is obtained；
Judge inquired key whether with received key agreement；
If so, determining that the key and clocking value meet preset condition.
2. the lighting method of screen as described in claim 1, which is characterized in that the cipher key list is stored respectively in the drive
In dynamic chip and terminal.
3. the lighting method of screen as described in claim 1, which is characterized in that described to send key and timing to the terminal
Value specifically includes: Xiang Suoshu terminal, which is sent, carries out encrypted clocking value by preset rules.
4. the lighting method of screen as described in claim 1, which is characterized in that the key generator is according to the passive crystalline substance
The clocking value of vibration is chosen key in preset cipher key list and is specifically included: choosing associated with the clocking value of the no source crystal oscillator
Key.
5. a kind of screen lighting system, be used to light the screen of connection terminal, which is characterized in that the screen include screen body and
Chip is driven, the driving chip includes no source crystal oscillator, key generator, input-output unit and display unit, in which:
The no source crystal oscillator is used for timing；
The key generator is used to choose key in preset cipher key list according to the clocking value of the no source crystal oscillator, described
Cipher key list includes the associated key of multiple groups and clocking value；
The input-output unit is used for when detecting that the screen connects the terminal and obtains electric power by the terminal,
Key and clocking value are sent to the terminal；And it receives the terminal and whether meets default item for the key and clocking value
The judging result of part；
The display unit is used to light the screen body when the judging result is to meet；
Wherein, the terminal includes the timing unit for timing, and the preset condition specifically includes:
Clocking value received by the terminal is consistent with the timing unit clocking internal value；
And the cipher key list is inquired according to the clocking value that the terminal receives, associated key is obtained, is inquired
Key and received key agreement.
6. screen lighting system as claimed in claim 5, which is characterized in that the driving chip further includes the first storage list
Member, the terminal include the second storage unit, and the cipher key list is stored respectively in first storage unit, the second storage list
In member.
7. screen lighting system as claimed in claim 5, which is characterized in that described to send key and clocking value to the terminal
Specifically include: Xiang Suoshu terminal, which is sent, carries out encrypted clocking value by preset rules.
8. screen lighting system as claimed in claim 5, which is characterized in that the key generator is according to the no source crystal oscillator
Clocking value choose key in preset cipher key list and specifically include: choose associated close with the clocking value of the no source crystal oscillator
Key.
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| CN201611062358.2A CN106778380B (en) | 2016-11-28 | 2016-11-28 | The lighting method and system of screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107423612A (en) * | 2017-07-11 | 2017-12-01 | Tcl移动通信科技（宁波）有限公司 | The detection of standard configuration display screen judges system, detection determination methods and storage device |
| CN110062074A (en) * | 2019-04-19 | 2019-07-26 | 惠州Tcl移动通信有限公司 | Display screen detection method, device, mobile terminal and storage medium |
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| CN101989172A (en) * | 2009-07-30 | 2011-03-23 | Ncr公司 | Encrypting touch-sensitive display |
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| CN106778380A (en) | 2017-05-31 |
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