CN205230333U - Secret key encryption infrared remote control device - Google Patents
Secret key encryption infrared remote control device Download PDFInfo
- Publication number
- CN205230333U CN205230333U CN201520942793.9U CN201520942793U CN205230333U CN 205230333 U CN205230333 U CN 205230333U CN 201520942793 U CN201520942793 U CN 201520942793U CN 205230333 U CN205230333 U CN 205230333U
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- private mark
- usb interface
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Abstract
The utility model provides a secret key encryption infrared remote control device, belongs to the remote controller field of encrypting, includes infrared transmitter, infrared receiving device and the host computer of being connected with infrared receiving device, wherein key cluster is for the one or more key, has effectually prevented the problem that the remote controller was explaind, does not need extra code storage IC, forms unlimited random coded to the sequence code that the counter produced with close spoon cluster through the algorithm, and the reliability is high, more is hard to duplicated, and the interface adopts the USB interface, can compatible all USB interface equipment on the market, and the suitability is strong.
Description
Technical field
The utility model belongs to encipher remote controller field.
Background technology
Telecontrol engineering has occurred for many years, is widely used in televisor, air-conditioning, Set Top Box, and the daily household electrical appliance such as electric fan, incorporate mankind's daily life closely.But be limited to the characteristic of transmission, the transmission between transmitting terminal and receiving end is completely transparent.Therefore by the decoding of receiving end (study namely usually said), the command code of each transmitting terminal can be obtained, and then copies remote-transmitter end completely.
Due to current open transmission, cause a large amount of low-quality mountain vallage telepilots counterfeit, bring huge loss to manufacturer of an established trade mark.Because dangerous being easy to of prior art is cracked, the application based on telepilot cannot large-arealy be implemented, and seriously limits the development of 3 screen industries.
The utility model is encrypted keyboard-coding at existing normal remote control transmitting terminal, is decrypted by receiving end.Other manufacturers cannot learn by exhaustive way.Encipher remote controller controls computer end application, not only can protect the interests of regular manufacturer, and can exempt the problem that software application end mandate registration code easily cracks.
Utility model content
The purpose of this utility model is to provide a kind of secret key encryption infrared remote-control device, achieves with the remote control of infrared encipher remote controller to the USB interface such as computer, Set Top Box equipment, solves the dangerous problem being easy to crack of existing Infrared remote controller.
For achieving the above object, this uses the following technical scheme of novel employing:
A kind of secret key encryption infrared remote-control device, is characterized in that: the host computer comprising infrared launcher, infrared receiving device and be connected with infrared receiving device;
Infrared launcher can be encrypted and generate private mark, and infrared launcher comprises infrared transmission module, Keysheet module, ciphering counters module, the encrypting module of storage encryption key string and battery module; Encryption key string is one or more key; Keysheet module connects encrypting module, and Keysheet module is used for input key code and sends key set code to encrypting module, and encrypted counter module also connects encrypting module, and ciphering counters module is launched count value for generating and sends transmitting count value to encrypting module; Encrypting module connects infrared transmission module, and encrypting module is used for being encrypted computing according to key set code, encrypted counter value and key string and generates private mark and send private mark to infrared transmission module, and infrared transmission module sends private mark to described infrared receiving device; Battery module is powered to described infrared launcher; The private mark that infrared receiving device is launched for receiving infrared launcher, private mark is become plain code by infrared receiving device or host computer deciphering.
Private mark is become plain code by the deciphering of described infrared receiving device, and infrared receiving device is provided with infrared receiving module, deciphering counter module, counter synchronisation module, the deciphering module of store decrypted key string, signal amplification module, level switch module, USB interface and power module, decruption key string is one or more key, infrared receiving module connects deciphering module, infrared receiving module is used for sending the private mark received to deciphering module, deciphering counter module also connects deciphering module, described deciphering counter module is for generating deciphering count value and sending deciphering count value to deciphering module, deciphering module connects described signal amplification module, described deciphering module is used for, according to deciphering count value and the deciphering of decruption key string, described private mark is become plain code, and send plain code to signal amplification module, described counter synchronisation module is used for carrying out synchronously when first time receives private mark to ciphering counters module and deciphering counter module, signal amplification module connects level switch module, signal amplification module is used for being amplified by plain code signal and sending described level switch module to, level switch module connects USB interface, level switch module be used for become USB general the level conversion of plain code signal level and send described USB interface to, USB interface connects described host computer, USB interface is used for sending plain code to host computer, and described USB interface is also powered for described infrared receiving device, wherein encryption key string is identical with decruption key string.
Described infrared receiving device is provided with infrared receiving module, signal amplification module, level switch module, USB interface and power module,
Infrared receiving module connection signal amplification module and level switch module, infrared receiving module is for receiving private mark and sending private mark signal to signal amplification module and level switch module, signal amplification module is all connected USB interface with level switch module, described signal amplification module and level switch module are used for converting private mark signal to USB general level and sending USB interface to, USB interface connects host computer, USB interface is used for sending private mark to host computer, host computer receives private mark, and host computer is by software decryption and private mark is become plain code.
Described host computer is the hardware device with operating system.
Described host computer is computer.
A kind of multi-key cipher encryption infrared remote-control device described in the utility model, key is made up of a string secret key string, effectively copy the problem that telepilot is cracked, do not need extra code storage IC, the sequence code produced counter by algorithm and secret key string form unlimited random coded, and reliability is high, more be difficult to be replicated, interface adopts USB interface, can compatibility all USB interface equipment on the market, and applicability is strong.
Accompanying drawing explanation
Fig. 1 is logic flow schematic diagram of the present utility model;
Fig. 2 is embodiment 1 schematic diagram;
Fig. 3 is embodiment 2 schematic diagram.
Embodiment
Embodiment 1:
A secret key encryption infrared remote-control device as depicted in figs. 1 and 2, the host computer comprising infrared launcher, infrared receiving device and be connected with infrared receiving device.
Infrared launcher can be encrypted and generate private mark, and infrared launcher comprises infrared transmission module, Keysheet module, ciphering counters module, the encrypting module of storage encryption key string and battery module; Encryption key string is one or more key; Keysheet module connects encrypting module, and Keysheet module is used for input key code and sends key set code to encrypting module, and encrypted counter module also connects encrypting module, and ciphering counters module is launched count value for generating and sends transmitting count value to encrypting module; Encrypting module connects infrared transmission module, and encrypting module is used for being encrypted computing according to key set code, encrypted counter value and encryption key string and generates private mark and send private mark to infrared transmission module, and infrared transmission module sends private mark to described infrared receiving device; Battery module is powered to described infrared launcher.
The private mark that infrared receiving device is launched for receiving infrared launcher, and private mark is become plain code by infrared receiving device deciphering, infrared receiving device is provided with infrared receiving module, deciphering counter module, counter synchronisation module, the deciphering module of store decrypted key string, signal amplification module, level switch module, USB interface and power module, decruption key string is one or more key, infrared receiving module receives the private mark that infrared launcher is launched, infrared receiving module connects deciphering module, infrared receiving module is used for sending the private mark received to deciphering module, deciphering counter module also connects deciphering module, described deciphering counter module is for generating deciphering count value and sending deciphering count value to deciphering module, deciphering module connects described signal amplification module, described deciphering module is used for, according to deciphering count value and the deciphering of decruption key string, described private mark is become plain code, and send plain code to signal amplification module, described counter synchronisation module is used for carrying out synchronously when first time receives private mark to ciphering counters module and deciphering counter module, signal amplification module connects level switch module, signal amplification module is used for being amplified by plain code signal and sending described level switch module to, level switch module connects USB interface, level switch module be used for become USB general the level conversion of plain code signal level and send described USB interface to, USB interface connects described host computer, USB interface is used for sending plain code to host computer, and described USB interface is also powered for described infrared receiving device, wherein encryption key string is identical with decruption key string.
A kind of workflow of secret key encryption infrared remote-control device is by encryption and decryption two steps:
A. encrypting step, is completed by infrared launcher:
First remote control end is by the artificial input key code that pushes button, and key set code is become plain code by Keysheet module, and sends plain code to described encrypting module; Described ciphering counters CMOS macro cell launches count value simultaneously, and sends transmitting count value to encrypting module; Described encrypting module is encrypted computing according to described scrambled, described count value and described key group, and generate private mark, and send described private mark to described infrared transmission module, infrared transmission module sends described private mark to described infrared receiver decryption device; Described key group is one or more key, and the transmitting count value of described generation and key have infinite array mode, and the private mark obtained also can not be cracked, and reliability is high, is more difficult to be replicated.
B. decryption step, infrared receiver decryption device completes:
Described infrared receiving module receives described private mark, and send private mark to described deciphering module, described deciphering counter module generates deciphering count value simultaneously, and send deciphering count value to described deciphering module, wherein when deciphering module judges it is when first time receiving private mark, first can by described counter synchronisation module to carrying out synchronously to ciphering counters module and deciphering counter module, the encrypted counter value making it produce is consistent with deciphering count value, ensure the correctness of decoding effort, described deciphering module carries out decoding computing according to described count value and described key group, described private mark is become plain code and key set code, described deciphering module sends described plain code to described signal amplification module, plain code signal amplifies and sends described level switch module to by signal amplification module, the level that the level conversion of plain code signal becomes USB general by level switch module also sends described USB interface to, USB interface sends plain code to host computer, described USB interface is also powered for described deciphering infrared receiving device, power supply need not be supposed in addition.
The key group that the utility model adopts is stored in the internal storage of encrypting module and deciphering module, additionally need not provide code storage IC.
After described host computer receives the plain code of deciphering infrared receiving device transmission, send plain code to upper computer software, upper computer software is resolved plain code, and performs the instruction of plain code instruction.Described host computer is the hardware device with operating system, and host computer is computer.
Embodiment 2:
A kind of secret key encryption infrared remote-control device as shown in Figure 3, the host computer comprising infrared launcher, infrared receiving device and be connected with infrared receiving device.
Infrared launcher can be encrypted and generate private mark, and infrared launcher comprises infrared transmission module, Keysheet module, ciphering counters module, the encrypting module of storage encryption key string and battery module; Encryption key string is one or more key; Keysheet module connects encrypting module, and Keysheet module is used for input key code and sends key set code to encrypting module, and encrypted counter module also connects encrypting module, and ciphering counters module is launched count value for generating and sends transmitting count value to encrypting module; Encrypting module connects infrared transmission module, and encrypting module is used for being encrypted computing according to key set code, encrypted counter value and encryption key string and generates private mark and send private mark to infrared transmission module, and infrared transmission module sends private mark to described infrared receiving device; Battery module is powered to described infrared launcher.
The private mark that infrared receiving device is launched for receiving infrared launcher.
Described infrared receiving device is provided with infrared receiving module, signal amplification module, level switch module, USB interface and power module, infrared receiving module connection signal amplification module and level switch module, infrared receiving module is for receiving private mark and sending private mark signal to signal amplification module and level switch module, signal amplification module is all connected USB interface with level switch module, described signal amplification module and level switch module are used for converting private mark signal to USB general level and sending USB interface to, USB interface connects host computer, USB interface is used for sending private mark to host computer, host computer receives private mark, host computer is by software decryption and private mark is become plain code.
Described deciphering counter module, key group, counter synchronisation module and deciphering module in the direct virtual deciphering embodiment 1 of host computer software in infrared receiving module; Now, decipher infrared receiving device and only retain infrared receiving module, signal amplification module, level switch module, USB interface and power module; Deciphering infrared receiving device directly sends the private mark received to described host computer, completes decryption step and generates plain code, and perform the instruction of plain code by described host computer.
Described host computer is the hardware device with operating system, and host computer is computer.
A kind of multi-key cipher encryption infrared remote-control device described in the utility model, infrared launcher encryption generates private mark, private mark is become plain code by infrared receiving device or host computer deciphering, key is made up of a string secret key string, effectively copy the problem that telepilot is cracked, do not need extra code storage IC, the sequence code produced counter by algorithm and secret key string form unlimited random coded, reliability is high, more be difficult to be replicated, interface adopts USB interface, can compatibility all USB interface equipment on the market, and applicability is strong.
Claims (5)
1. a secret key encryption infrared remote-control device, is characterized in that: the host computer comprising infrared launcher, infrared receiving device and be connected with infrared receiving device;
Infrared launcher encryption generates private mark, and infrared launcher comprises infrared transmission module, Keysheet module, ciphering counters module, the encrypting module of storage encryption key string and battery module; Encryption key string is one or more key; Keysheet module connects encrypting module, and Keysheet module is used for input key code and sends key set code to encrypting module, and encrypted counter module also connects encrypting module, and ciphering counters module is launched count value for generating and sends transmitting count value to encrypting module; Encrypting module connects infrared transmission module, and encrypting module is used for being encrypted computing according to key set code, encrypted counter value and encryption key string and generates private mark and send private mark to infrared transmission module, and infrared transmission module sends private mark to described infrared receiving device; Battery module is powered to described infrared launcher; The private mark that infrared receiving device is launched for receiving infrared launcher.
2. a kind of secret key encryption infrared remote-control device as claimed in claim 1, it is characterized in that: private mark is become plain code by the deciphering of described infrared receiving device, infrared receiving device is provided with infrared receiving module, deciphering counter module, counter synchronisation module, the deciphering module of store decrypted key string, signal amplification module, level switch module, USB interface and power module, decruption key string is one or more key, infrared receiving module connects deciphering module, infrared receiving module is used for sending the private mark received to deciphering module, deciphering counter module also connects deciphering module, described deciphering counter module is for generating deciphering count value and sending deciphering count value to deciphering module, deciphering module connects described signal amplification module, described deciphering module is used for, according to deciphering count value and the deciphering of decruption key string, described private mark is become plain code, and send plain code to signal amplification module, described counter synchronisation module is used for carrying out synchronously when first time receives private mark to ciphering counters module and deciphering counter module, signal amplification module connects level switch module, signal amplification module is used for being amplified by plain code signal and sending described level switch module to, level switch module connects USB interface, level switch module be used for become USB general the level conversion of plain code signal level and send described USB interface to, USB interface connects described host computer, USB interface is used for sending plain code to host computer, and described USB interface is also powered for described infrared receiving device, wherein encryption key string is identical with decruption key string.
3. a kind of secret key encryption infrared remote-control device as claimed in claim 1, is characterized in that: described infrared receiving device is provided with infrared receiving module, signal amplification module, level switch module, USB interface and power module,
Infrared receiving module connection signal amplification module and level switch module, infrared receiving module is for receiving private mark and sending private mark signal to signal amplification module and level switch module, signal amplification module is all connected USB interface with level switch module, described signal amplification module and level switch module are used for converting private mark signal to USB general level and sending USB interface to, USB interface connects host computer, USB interface is used for sending private mark to host computer, host computer receives private mark, and host computer is by software decryption and private mark is become plain code.
4. a kind of secret key encryption infrared remote-control device as claimed in claim 1, is characterized in that: described host computer is the hardware device with operating system.
5. a kind of secret key encryption infrared remote-control device as claimed in claim 4, is characterized in that: described host computer is computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942793.9U CN205230333U (en) | 2015-11-23 | 2015-11-23 | Secret key encryption infrared remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942793.9U CN205230333U (en) | 2015-11-23 | 2015-11-23 | Secret key encryption infrared remote control device |
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| Publication Number | Publication Date |
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| CN205230333U true CN205230333U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520942793.9U Expired - Fee Related CN205230333U (en) | 2015-11-23 | 2015-11-23 | Secret key encryption infrared remote control device |
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| Country | Link |
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| CN (1) | CN205230333U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147307A (en) * | 2018-09-07 | 2019-01-04 | 横店集团得邦照明股份有限公司 | A kind of encryption method of infrared remote-controlled signal |
| CN111415506A (en) * | 2020-04-28 | 2020-07-14 | 成都新潮传媒集团有限公司 | Safety encryption method of multimedia control system and multimedia terminal |
-
2015
- 2015-11-23 CN CN201520942793.9U patent/CN205230333U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147307A (en) * | 2018-09-07 | 2019-01-04 | 横店集团得邦照明股份有限公司 | A kind of encryption method of infrared remote-controlled signal |
| CN111415506A (en) * | 2020-04-28 | 2020-07-14 | 成都新潮传媒集团有限公司 | Safety encryption method of multimedia control system and multimedia terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20171123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |