CN106384025A - Display system and method for safely issuing and displaying content - Google Patents
Display system and method for safely issuing and displaying content Download PDFInfo
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- CN106384025A CN106384025A CN201611073946.6A CN201611073946A CN106384025A CN 106384025 A CN106384025 A CN 106384025A CN 201611073946 A CN201611073946 A CN 201611073946A CN 106384025 A CN106384025 A CN 106384025A
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- display
- content
- content source
- key
- deciphering
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008054 signal transmission Effects 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 29
- 230000009545 invasion Effects 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000009172 bursting Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012217 deletion Methods 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing Effects 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
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- 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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- 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]
-
- 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
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0478—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
Abstract
The invention provides a display system which comprises a content generating device and a content displaying device, wherein when a to-be-displayed content source is made, the content generating device is used for encrypting a content source with a secret key so as to acquire an encrypted content source, encrypting the secret key with a public key so as to acquire an encrypted secret key and storing the encrypted content source and the encrypted secret key in the content displaying device; the content displaying device comprises a display control unit, a signal transmission unit, a display screen and a safe managing chip; after the encrypted content source and the encrypted secret key are acquired by the content displaying device, the safe managing chip can utilize the secret key to decrypt the encrypted secret key, utilize the decrypted secret key to decrypt the encrypted content source and control to decode the decrypted content source; the display control unit is used for generating a display signal according to the decoded content source and outputting the display signal to the display screen so as to play the content source. The invention also provides a method for safely issuing and displaying the content, so that the benefit of the content maker can be effectively protected.
Description
Technical field
The present invention relates to a kind of display system, more particularly, to a kind of display system of encryption and decryption content source and content safety are sent out
Row and display packing.
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 copied so that the interests of content production business receive the infringement of illegal pirated disc copier during transmission.
Content of the invention
In view of this it is necessary to provide a kind of display system and content safety distribution and display packing, to solve above-mentioned asking
Topic.
The present invention provides a kind of display system.Described display system includes content generator and content display, institute
State content generator for when making content to be displayed source, being encrypted using key to described content to be displayed source
Content source, and key is encrypted using public key obtains encrypting key, and encrypted content source and encryption key are sent to institute
State content display, described content display includes display control unit, signal transmission unit, display screen and safety management
Chip, described display control unit is electrically connected with described display screen by described signal transmission unit, described safety management chip
For described content display get described behind encrypted content source and encryption key, control utilize a private key pair institute
State encryption key to be decrypted with the key after being deciphered, then utilize the key after described deciphering to described encrypted content source
Be decrypted with the content source after being deciphered, described safety management chip also control to described deciphering after content source solve
Code；Described display control unit is used for producing display signal according to decoded content source, and passes through described signal transmission unit
Described display screen is displayed signal to, so that described display screen plays described content source according to described display signal described in output.
The present invention also provides a kind of content safety distribution and display packing.Methods described includes：Making content to be displayed
During source, using key encryption, encrypted content source is obtained to described content to be displayed source, and key is encrypted using public key
To encryption key；After obtaining the described encrypted content source through encryption and encryption key, using encryption key described in a private key pair
Be decrypted with the key after being deciphered, then the key after described deciphering described encrypted content source is decrypted with
Content source after being deciphered；Content source after deciphering is decoded；And display is produced according to described decoded content source
Signal, and described content source is play according to described display signal.
The display system of the present invention and content safety distribution and display packing, by the encryption of the key to content source, have
Effect protects its content source not to be copied so that the interests of content production business are effectively protected during transmission.
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 structural representation of the display system of the embodiment of the present invention.
Fig. 2 is the content safety distribution of the embodiment of the present invention and the schematic flow sheet of display packing.
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 display system in one embodiment of the invention.Display system 100 includes content generator
10 and content display 20.Described content generator 10 is used for when making content to be displayed source, using key to described
Content to be displayed source is encrypted using symmetric encipherment algorithm and obtains encrypted content source, and using public key, described key is adopted non-
Symmetric encipherment algorithm is encrypted and obtains encryption key, and sends after encrypted content source and encryption key are stored together to described
Content display 20.Described content display 20 is a kind of automatically can to enter according to the instruction being previously set or store
Row numerical computations and/or the equipment of information processing, 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
Formula equipment etc..It is mobile phone, panel computer, Wearable glasses, VR glasses etc. that described content display 20 may be, but not limited to,
Possesses the electronic equipment of display and processing function.Described content display 20 pass through network and described content generator 10 it
Between communicate, wherein, network includes, but are not limited to the Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN (virtual private network)（Virtual
Private Network, VPN）Deng.Described content display 20 is used for content source being converted to display signal and showing
Signal is converted to optical signal output.Obviously, in certain embodiments, described content generator 10 can be by encrypted encryption
Appearance source and encryption key store respectively and send to described content display 20.
Described content display 20 includes display control unit 21, signal transmission unit 22, display screen 23 and bursting tube
Reason chip 25.Described display control unit 21 is electrically connected with described display screen 23 by described signal transmission unit 22.Described peace
Full managing chip 25 is used for, after described content display 20 gets the described content source through encryption and key, controlling profit
With encryption key decryption described in a private key pair with the key after being deciphered, the key after described deciphering is then utilized to add to described
Close content source is decrypted with the content source after being deciphered.Wherein, it is by asymmetric deciphering to described encryption key decryption
Algorithm is decrypted, and it is to be decrypted by symmetrical decipherment algorithm that described encrypted content source is decrypted.Described safety management
Chip 25 also control to described deciphering after content source be decoded.Described display control unit 21 is used for according to decoded interior
Rong Yuan produce display signal, and by described signal transmission unit 22 export described in display signal to described display screen 23 so that
Obtain described display screen 23 and described content source is play according to described display signal.In the present embodiment, described signal transmission unit 22 can
Think signal transmssion line etc..In other embodiments, described signal transmission unit 22 is the electricity that other has signal transfer functions
Sub- components and parts.
In one embodiment, described content display 20 also includes memorizer 24, described memorizer 24 be used for storage from
The content source to be shown of content generator 10 reception, the encryption key for deciphering described content source.Described safety management
Chip 25 is stored with for deciphering the described private key encrypting key.Described memorizer 24 can be smart media card（Smart
media card）, safe digital card（Secure digital card）, flash memory cards（Flash card）Set Deng storage
Standby.
In one embodiment, described content display 20 also includes intrusion detecting unit 26 and protective casing 27, described
Safety management chip 25 is electrically connected with described display control unit 21 and described memorizer 24 respectively, described intrusion detecting unit 26
Electrically connect with described safety management chip 25.
Wherein, described safety management chip 25 can be central processing unit, microprocessor, microcontroller, single-chip microcomputer, numeral letter
Number processor etc..
Wherein, described intrusion detecting unit 26 is used for detecting whether described protective casing 27 is invaded.Described safety management
Chip 25 is used for also judging described invasion after described content display 20 gets described encrypted content source and encryption key
Whether detecting unit 26 detects intrusion event.When described intrusion detecting unit 26 detects described intrusion event, described peace
Full managing chip 25 controls the private key deleted in described safety management chip 25 or is temporarily stored in content display 20 corresponding
Private key in module.In certain embodiments, when described intrusion detecting unit 26 detects described intrusion event, described safety
Managing chip 25 is additionally operable to interrupt any ongoing service of described content display 20, and deletes in described memorizer 24
Encrypted content source and encryption key, and delete content display 20 in decrypted content source.Real at some
Apply in example, described safety management chip 24 is additionally operable to, when described intrusion detecting unit 25 detects described intrusion event, delete
Protection in need security information, and be not limited only to the content source of aforesaid key and encryption or deciphering.
Specifically, in one embodiment, described intrusion detecting unit 26 includes some flexible PCBs（Not shown）With set
It is placed in some intrusion detecting circuit on each flexible PCB（Not shown）, described some flexible PCBs are arranged at described anti-
The inner surface of protective case body 27.In other embodiments, described intrusion detecting unit 26 can only include intrusion detecting circuit, described enter
Invade the inner surface that circuit for detecting is directly arranged at described protective casing 27, 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 25 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 27 whether by
Open, if protective casing 27 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 27, when protective casing 27 is not switched on, described pressure transducer
The pressure sensing is more than described predetermined threshold value, and when protective casing 27 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..
It is a safety zone that described protective casing 27 is formed in a sealing space, its sealing space.Described display control list
Unit 21, signal transmission unit 22, safety management chip 25 and described intrusion detecting unit 26 are contained in described sealing space.Institute
State protective casing 27 and be arranged on described display control unit 21, signal transmission unit 22, safety management chip 25 and described invasion
The outside of detecting unit 26, completely cuts off by the way of physical protection that its sealing space is outer any to be connect to the physics in sealing space
Touch.
Wherein, in one embodiment, described protective casing 27 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 27 all can destroy the integrity of described protective casing 27,
And trigger the described intrusion detecting unit 26 being arranged on protective casing 27 and produce invasion signal.Meanwhile, to described protective casing
27 destruction also can destroy described display control unit 21 within described protective casing 27, signal transmission unit 22, bursting tube
Reason one of chip 25 and described intrusion detecting unit 26 or multiple, and leave expendable vestige.If it is understood that
Described protective casing 27 has openable opening, is provided with anti-tear-off label at its opening, and is provided with intrusion detecting unit
26, if there being disabled user to open described opening, described intrusion detecting unit 26 can be triggered and produce invasion signal.
Wherein, described safety management chip 25 is used for when described intrusion detecting unit 26 does not detect intrusion event,
Control and be decrypted according to the encryption key described in private key pair of storage according to described memorizer 24, then using the key after deciphering
Content source is decrypted, then controls and the content source after deciphering is decoded.Described display control unit 21 is used for basis
Decoded content source output is corresponding to show 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.
Wherein, described intrusion detecting unit 26 is used for, when detecting described protective casing 27 and being invaded, producing invasion letter
Number to described safety management chip 25.Described safety management chip 25, when receiving described invasion signal, also controls and produces police
Accuse signal.It is understood that in one embodiment, described caution signalss can be to a default telephone number dialing phone or to send short
Letter etc., or described content display 20 also includes the warning circuit of sound or display format, and it is receiving warning letter
Number when produce alarm sound or alarm indicator, such as warning circuit is the voice output unit for exporting sound, or be for
LED that flicker is reported to the police etc..
Wherein, described safety management chip 25 is additionally operable to detect described intrusion event in described intrusion detecting unit 26
When, the display signal that the described signal transmission unit 20 of cut-out is transmitted simultaneously records described intrusion event.
As it was previously stated, described safety management chip 25 gets described process in encryption in described content display 20
Behind appearance source and key, also judge whether described intrusion detecting unit 26 detects intrusion event, when described intrusion detecting unit 26
When not detecting intrusion event, described safety management chip 25 controls using encrypted encryption key described in described private key pair
Deciphering, with the key after being deciphered, is then decrypted to obtain to described encrypted content source using the key after described deciphering
Content source after deciphering, then controls and the content source after deciphering is decoded.As it was previously stated, described display control unit 21
Show signal according to the output of decoded content source is corresponding, and by described signal transmission unit 22 by described display signal transmission
To described display screen 23, so that described display screen 23 plays described content source according to described display signal.
Wherein, in one embodiment, described display device 20 also includes random access memory 28, decoder 29 and deciphering module
201, described random access memory 28, decoder 29 and deciphering module 201 are sequentially connected electrically, and described deciphering module 201 is deposited with described
Reservoir 24 connects.Described random access memory 28 is electrically connected with described display control unit 21, described deciphering module 201 and described solution
Code device 29 is also electrically connected with described safety management chip 25.Described safety management chip 25 be used for control by described private key store to
Described deciphering module 201, and control described deciphering module 201 to read described content source and described encryption from described memorizer 24
Key, and control described deciphering module 201 to be decrypted with the key after being deciphered according to described private key pair encryption key, so
According to the key after deciphering, described content source is decrypted afterwards.In certain embodiments, described decoder module 201 can be only for one
Vertical deciphering chip.In another embodiment, described decoder module 201 can be also the mould being integrated in safety management chip 25
Block.
Described safety management chip 25 simultaneously controls described decoder 29 that the content source after described deciphering is decoded, and will
Decoded content source is temporarily stored in described random access memory 28, and described display control unit 21 is from described random access memory
Decipher described in reading in 28 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.
Wherein, in one embodiment, described private key and described public key correspond, or described private key and described public key phase
With.
In one embodiment, described content display 20 also includes battery 30, described battery 30 and described safety management
Chip 25 electrically connects, and described battery 30 is used for powering for described safety management chip 25, presets when described battery 30 electricity is less than
When value or described battery 30 disappearance, described safety management chip 25 is judged as intrusion event, and controls the described memorizer of deletion
Content source in 24 and/or the private key in described memorizer 24.It is understood that described battery 30 is arranged at described protective casing 27
Either internally or externally, when described battery 30 is arranged at the inside of described protective casing 27, described battery 30 is arranged at described electricity
On road plate 31.
In one embodiment, described content display 20 also includes being arranged at the circuit board within described protective casing 27
31.Wherein, described display control unit 21 and described safety management chip 25 are arranged on described circuit board 31.Implement other
In example, described circuit board 31 can omit.
In one embodiment, described memorizer 24 is arranged at content or the outside of described protective casing 27.Deposit when described
When reservoir 24 is arranged at the inside of described protective casing 27, described memorizer 24 is arranged on described circuit board 31.
Fig. 2 is the schematic flow sheet of content safety distribution and display packing in one embodiment of the invention.Described content safety
Distribution and display packing are applied to display system 100.Methods described includes：
Step S21：When making content to be displayed source, using key encryption, encrypted content is obtained to described content to be displayed source
Source, and key is encrypted using public key obtains encryption key, and by encrypted encrypted content source and encryption key together
Storage.In certain embodiments, the encrypted content source of described encryption and encryption key also can be stored separately.
Step S22：After obtaining the described encrypted content source through encryption and encryption key, encrypt using described in a private key pair
Key is decrypted with the key after being deciphered.Specifically, described private key is corresponding with described public key or identical.
Step S23：It is decrypted using the key pair encryption content source after deciphering.
Step S24：Content source after deciphering is decoded.
Step S25：Display signal is produced according to described decoded content source, and according to described display signal is play
Content source.
The encryption by the key to content source for the display system 100 of the present invention, its content source of effective protection is in transmission
During be not copied so that the interests of content production business are effectively protected.
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 system is it is characterised in that described display system includes content generator and content display, described
Content generator is used for, when making content to be displayed source, described content to be displayed source being obtained in encryption using key encryption
Rong Yuan, and key is encrypted using public key obtains encrypting key, and encrypted content source and encryption key are sent to described
Content display, described content display includes display control unit, signal transmission unit, display screen and safety management core
Piece, described display control unit is electrically connected with described display screen by described signal transmission unit, and described safety management chip is used
In described content display get described behind encrypted content source and encryption key, control using described in a private key pair
Encryption key is decrypted with the key after being deciphered, and then using the key after described deciphering, described encrypted content source is entered
Row deciphering with the content source after decipher, described safety management chip also control to described decipher after content source solve
Code；Described display control unit is used for producing display signal according to decoded content source, and passes through described signal transmission unit
Described display screen is displayed signal to, so that described display screen plays described content source according to described display signal described in output.
2. display system as claimed in claim 1 is it is characterised in that described content display also includes memorizer, described
Memorizer is used for storing encrypted content source to be shown, the encryption key for deciphering described encrypted content source, described bursting tube
Reason chip-stored has described private key, and described content display also includes intrusion detecting unit and protective casing, described bursting tube
Reason chip electrically connect with described display control unit and described memorizer respectively, described intrusion detecting unit and described safety management
Chip electrically connects, and described protective casing forms a sealing space, described display control unit, signal transmission unit, safety management
, in described sealing space, described intrusion detecting unit is used for detecting to described protection for chip and described intrusion detecting unit housing
The intrusion event of housing, described safety management chip is used for getting described encrypted content source in described content display and adds
Also judge after key whether described intrusion detecting unit detects described intrusion event, when described intrusion detecting unit is not detected
During to described intrusion event, described safety management chip controls are decrypted using encryption key described in described private key pair to obtain
Key after deciphering, is then decrypted to described encrypted content source using the key after described deciphering with after being deciphered
Rong Yuan, then controls and the content source after described deciphering is decoded.
3. display system as claimed in claim 2 is it is characterised in that when described intrusion detecting unit detects described invasion thing
During part, described safety management chip controls are deleted the private key in described safety management chip or are temporarily stored into phase in content display
Answer the private key in module.
4. display system as claimed in claim 3 is it is characterised in that when described intrusion detecting unit detects described invasion thing
During part, described safety management chip is additionally operable to interrupt any ongoing service of described content display, and deletes described
Encrypted content source in memorizer and encryption key, and delete the decrypted content source in content display.
5. display system as claimed in claim 3 it is characterised in that described content display also include random access memory,
Decoder and deciphering module, described random access memory, 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 controlling keeps in private key to described deciphering module, and
Control described deciphering module to read described encrypted content source and described encryption key from described memorizer, and control described deciphering
Module is decrypted with the key after being deciphered according to described private key pair encryption key, then according to the key after deciphering to institute
State content source to be decrypted；Described safety management chip simultaneously controls described decoder that the content source after described deciphering is solved
Code, 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.
6. display system as claimed in claim 2 is it is characterised in that described content display also includes battery, described electricity
Pond is electrically connected with described safety management chip, and described battery is used for as described safety management chip power supply, when described battery electric quantity
When lacking less than preset value or described battery, described safety management chip is judged as intrusion event, and controls the described peace of deletion
Described private key in full managing chip, or delete content source in described memorizer, described encryption key and described further
At least one of content source after deciphering in content display.
7. the display system as described in any one of claim 2 to 6 it is characterised in that described intrusion detecting unit include some
Intrusion detecting circuit, described some intrusion detecting circuit are arranged at the inner surface of described protective casing.
8. display system as claimed in claim 7 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 when receiving described sensing signal invading
Event, and control the private key deleted in described safety management chip, or delete further content source in described memorizer and
Described decruption key.
9. the display system as described in any one of claim 2 to 6 it is characterised in that described protective casing by opaque or
Hard material is made.
10. a kind of content safety distribution and display packing are it is characterised in that methods described includes：Making content to be displayed source
When, using key encryption, encrypted content source is obtained to described content to be displayed source, and key is encrypted using public key obtains
Encryption key；After obtaining the described encrypted content source through encryption and encryption key, entered using encryption key described in a private key pair
Row deciphering, with the key after being deciphered, is then decrypted to described encrypted content source by the key after described deciphering and obtains
Content source to after deciphering；Content source after deciphering is decoded；And display is produced according to described decoded content source
Signal, and described content source is play according to described display signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073946.6A CN106384025A (en) | 2016-11-29 | 2016-11-29 | Display system and method for safely issuing and displaying content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073946.6A CN106384025A (en) | 2016-11-29 | 2016-11-29 | Display system and method for safely issuing and displaying content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106384025A true CN106384025A (en) | 2017-02-08 |
Family
ID=57959875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073946.6A Pending CN106384025A (en) | 2016-11-29 | 2016-11-29 | Display system and method for safely issuing and displaying content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106384025A (en) |
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| CN111859417A (en) * | 2020-06-23 | 2020-10-30 | 天地融科技股份有限公司 | Method and device for controlling safety display |
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