CN106407849A - Display equipment and content secure storage and playing method - Google Patents
Display equipment and content secure storage and playing method Download PDFInfo
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- CN106407849A CN106407849A CN201611073950.2A CN201611073950A CN106407849A CN 106407849 A CN106407849 A CN 106407849A CN 201611073950 A CN201611073950 A CN 201611073950A CN 106407849 A CN106407849 A CN 106407849A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 230000008054 signal transmission Effects 0.000 claims abstract description 33
- 230000009545 invasion Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012217 deletion Methods 0.000 claims description 4
- 230000037430 deletion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 150000003071 polychlorinated biphenyls Chemical class 0.000 claims description 4
- 230000008034 disappearance Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000005055 memory storage Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract 5
- 230000006870 function Effects 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Technology Law (AREA)
- Storage Device Security (AREA)
Abstract
The invention provides display equipment, comprising a memory and a display device. The memory stores encrypted content sources. The display device comprises a display control unit, a signal transmission unit and a display screen. The display control unit is electrically connected with the display screen through the signal transmission unit. The display device also comprises a secure management chip, an invasion detection unit and a protective shell. The secure management chip is electrically connected with the display control unit and the memory and stores keys for decrypting the encrypted content sources. The invasion detection unit is electrically connected with the secure management chip. A sealed space is formed in the protective shell. The display control unit, the signal transmission unit, the secure management chip and the invasion detection unit are contained in the sealed space. The invasion detection unit is used for detecting an invasion event for the protective shell. When the invasion detection unit detects the invasion event, the secure management chip controls the keys to be deleted. The invention also provides a content secure storage and playing method. According to the display equipment and the method, invasion can be detected, and the content sources are prevented from being copied.
Description
Technical field
The present invention relates to a kind of display device, display device and content safety that more particularly, to a kind of content source is not copied
Storage and player method.
Background technology
Existing display device, for example, mobile phone, panel computer or head-mounted display apparatus etc. are it is provided that easily interior
Hold display, shown content includes but is not limited to film, TV or document.So, existing display device cannot be protected in it
Rong Yuan is not copied so that the interests of content production business receive the infringement of illegal pirated disc copier.
Content of the invention
In view of this it is necessary to provide a kind of display device and content safety storage and player method, to solve above-mentioned asking
Topic.
The present invention provides a kind of display device, and including memorizer and display device, described memorizer is used for storing to be shown
Encrypted content source, described display device includes display control unit, signal transmission unit and display screen, described display control list
Unit is electrically connected with described display screen it is characterised in that described display device also includes bursting tube by described signal transmission unit
Reason chip, intrusion detecting unit and protective casing, described safety management chip-stored has for carrying out to described encrypted content source
The key of deciphering, described safety management chip is electrically connected with described display control unit and described memorizer respectively, described invasion
Detecting unit is electrically connected with described safety management chip, described protective casing formation one sealing space, described display control unit,
Signal transmission unit, safety management chip and described intrusion detecting unit housing in described sealing space, described intrusion detecting
Unit is used for the intrusion event to described protective casing for the detecting, when described intrusion detecting unit detects described intrusion event,
Described safety management chip controls delete key and the corresponding module being temporarily stored into display device in described safety management chip
In key.
The present invention also provides a kind of content safety storage and player method, is applied on a display device, described display sets
For including memorizer and display device, described memorizer is used for storing encrypted content source to be shown, described display device
Including protective casing, be located at described protective casing inner surface intrusion detecting unit, positioned at the safety within described protective casing
Managing chip and be located at display screen outside described protective casing, described display screen electrically connected with described safety management chip, its
It is characterised by, the key being stored with described safety management chip for deciphering described encrypted content source, methods described includes：Institute
State whether the detecting of intrusion detecting unit has the intrusion event to described protective casing to occur；When described intrusion detecting unit detects
During described intrusion event, described safety management chip controls are deleted the key in safety management chip and are temporarily stored into display device
Corresponding module in key.
The display device of the present invention and content safety storage and player method, detect invasion thing by intrusion detecting unit
Part, when detecting intrusion event, produces caution signalss in time, can its content source of effective protection not be copied so that content
The interests of producer are effectively protected.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, will make to required in the embodiment of the present invention below
Accompanying drawing be briefly described it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the module diagram of the display device of the embodiment of the present invention.
Fig. 2 is the content safety storage of the embodiment of the present invention and the schematic flow diagram of player method.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described to the technical scheme in the embodiment of the present invention.It should be noted that not rushing
In the case of prominent, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, described embodiment is only
It is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
All other embodiment that personnel are obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items closing.
It should be noted that when an assembly is considered as " connection " another assembly, it can be directly to separately
One assembly or may be simultaneously present assembly placed in the middle.
Fig. 1 is the module diagram of the display device of the embodiment of the present invention.Described display device 100 is that one kind can be according to
The instruction being previously set or storing, carries out the equipment of numerical computations and/or information processing automatically, and its hardware includes but is not limited to
Microprocessor, special IC（Application Specific Integrated Circuit, ASIC）, programmable gate
Array（Field-Programmable Gate Array, FPGA）, digital processing unit（Digital Signal
Processor, DSP）, embedded device etc..Described display device 100 may be, but not limited to, mobile phone, panel computer, wearing
Formula glasses, VR glasses etc. possess the electronic equipment of display and processing function.Described display device 100 is used for being converted to content source
Display signal is simultaneously converted to optical signal output by display signal.
Described display device 100 includes memorizer 10 and display device 20.
Wherein, described memorizer 10 is used for storing encrypted content source to be shown.Described memorizer 10 can be intelligent matchmaker
Body card（Smart media card）, safe digital card（Secure digital card）, flash memory cards（Flash
card）Etc. storage device.Wherein, in certain embodiments, in described memorizer 10, the encrypted content source of storage is by symmetrical
The content source of AES encryption.
Described display device 20 includes display control unit 21, signal transmission unit 22 and display screen 23.Described display control
Unit 21 processed is electrically connected with described display screen 23 by described signal transmission unit 22.Described display control unit 21 is used for reading
Encrypted content source in described memorizer 10 simultaneously controls the display signal of output, and will be described by described signal transmission unit 22
Display signal transmission is to described display screen 23, so that described display screen 23 plays described content source according to described display signal.
In the present embodiment, described signal transmission unit 22 can be signal transmssion line etc..In other embodiments, described signal transmission list
Unit 22 is the electronic devices and components that other has signal transfer functions.
Described display device 20 also includes safety management chip 24, intrusion detecting unit 25 and protective casing 26.Described peace
Full managing chip 24 is electrically connected with described display control unit 21.Described intrusion detecting unit 25 and described safety management chip 24
Electrical connection.The key being stored with described safety management chip 24 for deciphering described encrypted content source.In certain embodiments,
The described key for deciphering described encrypted content source is the encryption key after being encrypted by rivest, shamir, adelman.When described close
When key is encryption key, also it is stored with for entering to described encryption key in described safety management chip 24 or described memorizer 10
The private key of row deciphering.In further embodiments, in described memorizer 10, the encrypted content source of storage is to be calculated by symmetric cryptography
The content source of method encryption, in described safety management chip 24, the key for deciphering described content source of storage is unencryption
Key.
Wherein, described safety management chip 24 can be central processing unit, microprocessor, microcontroller, single-chip microcomputer, numeral letter
Number processor etc..
Wherein, described intrusion detecting unit 25 is arranged on protective casing 26, for whether detecting described protective casing 26
Invaded.Specifically, in one embodiment, described intrusion detecting unit 25 includes some flexible PCBs（Not shown）And setting
Some intrusion detecting circuit on each flexible PCB（Not shown）, described some flexible PCBs are arranged at described protection
The inner surface of housing 26.In other embodiments, described intrusion detecting unit 25 only includes intrusion detecting circuit, and described invasion is detectd
Slowdown monitoring circuit is directly arranged at the inner surface of described protective casing 26, and described some flexible PCBs can omit.
Further, in one embodiment, each intrusion detecting circuit includes sensor（Not shown）, described sensor use
In sensing intrusion event produce corresponding described invasion signal.Described safety management chip 24 is receiving described invasion signal
When, control and produce described caution signalss.
Further, in one embodiment, described sensor is pressure transducer, for detect protective casing 26 whether by
Open, if protective casing 26 is opened, the pressure that pressure transducer senses can be led to reduce or disappear, therefore, described pressure
Force transducer senses when pressure is less than a predetermined threshold value and produces described invasion signal.For example, described pressure transducer can be arranged
It is subject to the clamp pressure of interlayer in the interlayer of protective casing 26, when protective casing 26 is not switched on, described pressure transducer
The pressure sensing is more than described predetermined threshold value, and when protective casing 26 is opened, then clamp pressure disappears, described pressure sensing
The pressure that device senses will be less than described predetermined threshold value.In other embodiments, described sensor can be but not limited to, and power is quick
Sensor, moment or torque sensor etc..
Described protective casing 26 be internally formed a sealing space, be a safety zone in its sealing space.Described display
It is empty that control unit 21, signal transmission unit 22, safety management chip 24 and described intrusion detecting unit 25 are contained in described sealing
Between in.Described protective casing 26 described display control unit 21, signal transmission unit 22, safety management chip 24 and described enter
Invade the outside of detecting unit 25, using any mode outside its sealing space that completely cuts off by the way of physical protection in sealing space
Physical contact.
Wherein, in one embodiment, described protective casing 26 is made up of opaque or hard material, and it can resist one
Determine the boring invasion of degree, any action destroying described protective casing 26 all can destroy the integrity of described protective casing 26,
And trigger the described intrusion detecting unit 25 being arranged on protective casing 26 and produce invasion signal.Meanwhile, to described protective casing
26 destruction also can destroy described display control unit 21 within described protective casing 26, signal transmission unit 22, bursting tube
Reason one of chip 24 and described intrusion detecting unit 25 or multiple, and leave expendable vestige.If it is understood that
Described protective casing 26 has openable opening, is provided with anti-tear-off label at its opening, and is provided with intrusion detecting unit
25, if there being disabled user to open described opening, described intrusion detecting unit 25 can be triggered and produce invasion signal.
Described display control unit 21 is used for when described intrusion detecting unit 25 does not detect intrusion event, according to institute
State the display signal that content source controls output, and by described signal transmission unit 22, described display signal transmission is shown to described
Display screen 23, so that described display screen 23 plays described content source according to described display signal.
Described safety management chip 24 is invaded for detecting described protective casing 26 in described intrusion detecting unit 25
When, produce invasion signal to described safety management chip 24, described safety management chip 24 when receiving described invasion signal,
Control and produce caution signalss.It is understood that in one embodiment, described caution signalss can be to a default telephone number dialing electricity
Talk about or send note etc., or described display device 20 also includes the warning circuit of sound or display format, it is receiving
Alarm sound or alarm indicator is produced, such as warning circuit is the voice output unit for exporting sound during caution signalss, or
It is LED for flicker warning etc..
Described safety management chip 24 is additionally operable to, when described intrusion detecting unit 25 detects described intrusion event, control
Delete the key in described safety management chip 24 and be temporarily stored into display device 20 corresponding module in key.Described safety
Managing chip 24 also can record described intrusion event simultaneously.
Thus, when have intrusion event occur when, key can be deleted in time, though encrypted content source from memorizer 10 by him
People illegally obtains, and also cannot decipher, and reaches the purpose of protection content source.
Described safety management chip 24 is additionally operable to, when described intrusion detecting unit 25 detects described intrusion event, interrupt
Any ongoing service of display device 20, and delete the encrypted content source in described memorizer 10, and delete display dress
Put the decrypted content source in 20.In certain embodiments, described safety management chip 24 is additionally operable in described invasion
When detecting unit 25 detects described intrusion event, delete protection in need security information, and be not limited only to aforesaid
Key and the content source of encryption or deciphering.
Wherein, described safety management chip 24 is additionally operable to detect described intrusion event in described intrusion detecting unit 25
When, the display signal that the described signal transmission unit 22 of cut-out is transmitted simultaneously records described intrusion event.
Thus, when there being intrusion event to occur, the display signal now having arrived signal transmission unit 22 can be cut off in time,
Prevent content source from illegally being obtained by other people from signal transmission unit 22.
In one embodiment, when described intrusion detecting unit 25 does not detect intrusion event, described safety management core
Piece 24 is used for control and according to described key, described encrypted content source is decrypted, and then the content source of deciphering is decoded,
Described display control unit 21 is used for according to the described content source deciphered and decoded output corresponding display signal, and passes through
Described signal transmission unit 22 shows signal transmission to described display screen 23 by described, so that described display screen 23 is according to described
Display signal plays described content source.
Wherein, in one embodiment, described display device 20 also includes random access memory 27, decoder 28 and deciphering module
201, described random access memory 27 is sequentially connected electrically with described decoder 28 and deciphering module 201, described deciphering module 201 and institute
State memorizer 10 to connect.Described random access memory 27 is electrically connected with described display control unit 21, described deciphering module 201 and institute
State decoder 28 also to electrically connect with described safety management chip 24.Described safety management chip 24 is used for keeping in key to described
Deciphering module 201, then controls described deciphering module 201 to read described encrypted content source from described memorizer 10, and controls
Described deciphering module 201 is decrypted to described content source according to described key.Wherein, in one embodiment, when described key
It is the key after being encrypted by rivest, shamir, adelman, described safety management chip 24 is kept in private key to described deciphering mould simultaneously
Block 201, the key after described deciphering module 201 is also first encrypted according to the private key pair being stored is decrypted, and then uses
Key after deciphering is decrypted to described encrypted content source.In certain embodiments, described deciphering module 201 can be independent for one
Deciphering chip.In another embodiment, described deciphering module 201 can be also the module being integrated in safety management chip 24.
Wherein, the corresponding module of the temporary described key of aforesaid display device 20 refers to described deciphering module 201.
Described safety management chip 24 simultaneously controls described decoder 28 that the content source after described deciphering is decoded, and will
Decoded content source is temporarily stored in described random access memory 27, and described display control unit 21 is from described random access memory
Decipher described in reading in 27 and the content source that decodes showing according to the output of the described content source deciphered and decoded is corresponding
Signal, and by described signal transmission unit 22 by described display signal transmission extremely described display screen 23, so that described display
Screen 23 plays described content source according to described display signal.
In one embodiment, described display device 20 also includes battery 29, described battery 29 and described safety management chip
24 electrical connection, described battery 29 be used for power for described safety management chip 24, when described battery 29 electricity be less than preset value or
Described in person during battery 29 disappearance, described safety management chip 24 is judged as an intrusion event, and controls the described memorizer 10 of deletion
In content source and/or the key in described memorizer 10.It is understood that described battery 29 may be disposed at described protective casing 26
Either internally or externally, when described battery 29 is arranged at the inside of described protective casing 26, described battery 29 is arranged at described electricity
On road plate 30.Wherein, after described display device 20 is closed, described battery 29 is continuously described safety management chip 24 and invasion
Detecting unit 25 power so that described intrusion detecting unit 25 can described display device 20 close after also detecting real-time invasion,
And when there being invasion, described safety management chip 24 executes the functions such as aforesaid deletion key, content source, and content source is had
Effect protection.
In one embodiment, described display device 20 also includes being arranged at the circuit board 30 within described protective casing 26.
Wherein, described display control unit 21 and described safety management chip 24 are arranged on described circuit board 30.In other embodiments
In, described circuit board 30 can omit.
In one embodiment, described memorizer 10 is arranged at content or the outside of described protective casing 26.Deposit when described
When reservoir 10 is arranged at the inside of described protective casing 26, described memorizer 10 is arranged on described circuit board 30.
Fig. 2 is the content safety storage of the embodiment of the present invention and the indicative flowchart of player method.Described content safety
Storage and player method are applied on display device 100.Described display device 100 includes memorizer 10 and display device 20.Institute
State memorizer 10 for storing encrypted content source to be shown.Described display device 20 includes protective casing 26, positioned at described anti-
The intrusion detecting unit 25 of protective case body 26 inner surface, it is located at the internal safety management chip 24 of described protective casing 26 and positioned at institute
State the display screen 23 outside protective casing 26, described display screen 23 is electrically connected with described safety management chip 24.Described bursting tube
Reason chip 24 is stored with the key for deciphering described encrypted content source.Methods described includes：
Step S21, described intrusion detecting unit 25 detects whether described protective casing 26 is invaded, if it is, entering step
S22, otherwise, enters step S24.
Step S22, produces invasion signal, institute when described intrusion detecting unit detects when described protective casing 26 is invaded
State safety management chip 24 to control the key deleted in safety management chip 24 and be temporarily stored into display according to described invasion signal
Key in the corresponding module of device 20.
Step S23, described safety management chip 24 controls generation caution signalss, cut-out display letter according to described invasion signal
Number transmit and record described intrusion event.
Step S24, when described intrusion detecting unit 25 detects described protective casing 26 and is not invaded, described bursting tube
Reason chip 24 controls and according to described key, described content source is decrypted, and then the content source after deciphering is decoded, institute
State display control unit 21 according to deciphering and decoded content source output corresponding display signal, and described display signal is led to
Cross signal transmission unit 22 to transmit to described display screen 23, so that described display screen 23 is according to described display signal is play
Content source.
In certain embodiments, when described intrusion detecting unit 25 detects described intrusion event, methods described is also wrapped
Include：Safety management chip 24 control sends warning signal, and interrupts any ongoing service, deletes in described memorizer 10
Encrypted content source, and delete the decrypted content source in display device 20.
The display device 100 of the present invention detects intrusion event by intrusion detecting unit 25, when detecting intrusion event,
Produce caution signalss in time, can its content source of effective protection not be copied so that the interests of content production business obtain effectively
Protection.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example of the embodiments described herein description
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
To be executed with hardware or software mode, the application-specific depending on technical scheme and design constraint.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art can be understood that, for convenience and simplicity of description, the device of foregoing description
Specific work process, may be referred to the corresponding process in preceding method embodiment, will not be described here.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any ripe
Know those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (10)
1. a kind of display device, including memorizer and display device, described memorizer is used for storing encrypted content source to be shown,
Described display device includes display control unit, signal transmission unit and display screen, and described display control unit passes through described letter
Number transmission unit is electrically connected with described display screen it is characterised in that described display device also includes safety management chip, invasion is detectd
Survey unit and protective casing, described safety management chip-stored has the key for being decrypted, institute to described encrypted content source
State safety management chip to electrically connect with described display control unit and described memorizer respectively, described intrusion detecting unit with described
Safety management chip electrically connects, and described protective casing forms a sealing space, described display control unit, signal transmission unit,
, in described sealing space, it is right that described intrusion detecting unit is used for detecting for safety management chip and described intrusion detecting unit housing
The intrusion event of described protective casing, when described intrusion detecting unit detects described intrusion event, described safety management core
Piece controls the key in the key deleted in described safety management chip and the corresponding module being temporarily stored into display device.
2. display device as claimed in claim 1 is it is characterised in that when described intrusion detecting unit detects described invasion thing
During part, described safety management chip also controls and sends warning signal, and interrupts any ongoing service of display device, and deletes
Encrypted content source in described memorizer and the decrypted content source in display device, and cut off described display signal
Transmission.
3. display device as claimed in claim 1 is it is characterised in that when described intrusion detecting unit does not detect invasion thing
During part, described safety management chip is used for control and according to described key, the described encrypted content source of memory storage is solved
Close, and control to deciphering after content source be decoded, described display control unit be used for according to deciphering and decoded content
Source output is corresponding to show signal, and shows signal transmission extremely described display screen by described signal transmission unit by described, with
Described display screen is made to play described content source according to described display signal.
4. display device as claimed in claim 3 is it is characterised in that described display device also includes random access memory, decoding
Device and deciphering module, described random access memory, described decoder and deciphering module are sequentially connected electrically, described deciphering module with described
Memorizer connects, and described random access memory is electrically connected with described display control unit, and described deciphering module and described decoder are also
Electrically connect with described safety management chip, described safety management chip is used for keeping in key to described deciphering module, controls institute
State deciphering module and read described encrypted content source from described memorizer, and control described deciphering module according to described key to institute
State content source to be decrypted, described safety management chip is additionally operable to control described decoder that the content source after described deciphering is carried out
Decoding, and decoded content source is temporarily stored in described random access memory, described display control unit is deposited at random from described
Read described decoded content source in reservoir and export corresponding display signal, and will be described by described signal transmission unit
Display signal transmission is to described display screen, so that described display screen plays described content source according to described display signal.
5. the display device as described in any one of Claims 1-4 is it is characterised in that described display device also includes battery, institute
State battery to electrically connect with described safety management chip, described battery is used for as described safety management chip power supply, when described battery
When electricity is less than preset value or described battery disappearance, described safety management chip is judged as an intrusion event, and controls deletion
Keep in the key storing in content source in described memorizer, described safety management chip and the corresponding module of display device
Key.
6. the display device as described in any one of Claims 1-4 it is characterised in that described intrusion detecting unit include some
Intrusion detecting circuit, described some flexible PCBs are arranged at the inner surface of described protective casing.
7. display device as claimed in claim 6 is it is characterised in that each intrusion detecting circuit includes at least one pressure sensing
Device, described pressure transducer is used for sensing and is applied to being applied to pressure on described protective casing and in described pressure for sensing
Less than producing sensing signal during a predetermined threshold value, described safety management chip is judged as that when receiving described sensing signal one enters
Invade event, and control the described key of deletion, or delete further in encrypted content source and the display device in described memorizer
Decrypted content source.
8. a kind of content safety storage and player method, are applied on a display device, described display device is including storage
Device and display device, described memorizer is used for storing encrypted content source to be shown, and described display device includes protective casing, position
In the intrusion detecting unit of described protective casing inner surface, the safety management chip within positioned at described protective casing and be located at institute
State the display screen outside protective casing, described display screen electrically connects with described safety management chip it is characterised in that described safety
The key being stored with managing chip for deciphering described encrypted content source, methods described includes：Described intrusion detecting unit is detectd
Survey and whether have the intrusion event to described protective casing to occur；When described intrusion detecting unit detects described intrusion event,
Described safety management chip controls delete the key in safety management chip and be temporarily stored into display device corresponding module in
Key.
9. content safety storage as claimed in claim 8 and player method are it is characterised in that methods described includes：Described enter
When invading detecting unit and not detecting intrusion event, described safety management chip controls are according to described key to described encrypted content
Source is decrypted；Content source after described deciphering is decoded；And it is corresponding according to institute's decoded content source output
Display signal, and by described display signal transmission to described display screen, so that described display screen is broadcast according to described display signal
Put described content source.
10. content safety storage as claimed in claim 9 and player method are it is characterised in that work as described intrusion detecting unit
When detecting described intrusion event, methods described also includes：Safety management chip controls send warning signal, and interruption is any just
In the service carrying out, delete the encrypted content source in described memorizer and the decrypted content source in display device,
And cut off the transmission of described display signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073950.2A CN106407849A (en) | 2016-11-29 | 2016-11-29 | Display equipment and content secure storage and playing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073950.2A CN106407849A (en) | 2016-11-29 | 2016-11-29 | Display equipment and content secure storage and playing method |
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| Publication Number | Publication Date |
|---|---|
| CN106407849A true CN106407849A (en) | 2017-02-15 |
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ID=58083533
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073950.2A Pending CN106407849A (en) | 2016-11-29 | 2016-11-29 | Display equipment and content secure storage and playing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794725A (en) * | 2018-08-03 | 2020-02-14 | Aptiv技术有限公司 | Safety vehicle control unit |
| CN111916024A (en) * | 2020-08-12 | 2020-11-10 | 深圳市奥拓电子股份有限公司 | Anti-intrusion LED video control system and LED display system |
| CN115174080A (en) * | 2022-09-07 | 2022-10-11 | 北京安盟信息技术股份有限公司 | Key protection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110794725A (en) * | 2018-08-03 | 2020-02-14 | Aptiv技术有限公司 | Safety vehicle control unit |
| CN111916024A (en) * | 2020-08-12 | 2020-11-10 | 深圳市奥拓电子股份有限公司 | Anti-intrusion LED video control system and LED display system |
| WO2022032921A1 (en) * | 2020-08-12 | 2022-02-17 | 深圳市奥拓电子股份有限公司 | Anti-intrusion led video control system and led display system |
| CN115174080A (en) * | 2022-09-07 | 2022-10-11 | 北京安盟信息技术股份有限公司 | Key protection method and device |
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Application publication date: 20170215 |