CN110996323A - Communication method capable of realizing safety certification of infrared remote control equipment - Google Patents
Communication method capable of realizing safety certification of infrared remote control equipment Download PDFInfo
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- CN110996323A CN110996323A CN201911320580.1A CN201911320580A CN110996323A CN 110996323 A CN110996323 A CN 110996323A CN 201911320580 A CN201911320580 A CN 201911320580A CN 110996323 A CN110996323 A CN 110996323A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000006854 communication Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 title claims abstract description 30
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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Abstract
A communication method capable of realizing safety authentication of infrared remote control equipment comprises the following steps: the method comprises the steps that infrared control codes are sent to controlled equipment through remote control equipment, and if the controlled equipment does not need safety authentication, actions are directly executed according to the infrared control codes; if the controlled equipment needs safety authentication, the controlled equipment interrupts execution of the infrared control code sent by the remote control equipment and generates a challenge code on the controlled equipment; a user inputs a matching challenge code through remote control equipment and sends the matching challenge code to controlled equipment; after receiving the matching challenge code input by the user, the controlled equipment compares the challenge code with the generated challenge code: if the received challenge code is the same as the native challenge code, the security authentication is passed, if the received challenge code is different from the native challenge code, the security authentication is not passed, the controlled device generates a new challenge code, and after the security authentication is passed, the controlled device continues to execute the infrared control code sent by the remote control device. The invention can improve the safety of infrared remote control communication.
Description
Technical Field
The invention belongs to the field of wireless communication, and particularly relates to a communication method capable of realizing safety certification of infrared remote control equipment.
Background
The infrared remote control equipment is widely applied to the fields of household appliance remote control and the like, generally, 914nm infrared band communication is adopted in the infrared remote control, the remote control equipment sends coded signals through an infrared diode, and after receiving the coded signals, the controlled equipment decodes data and implements actions according to an agreed decoding mode. The infrared remote control technology is only applied to the control of equipment in an indoor visual range at first, and does not adopt any safety certification mechanism in order to reduce the cost. With the appearance of high-power infrared LEDs and infrared laser tubes, the transmission distance of infrared light can reach several kilometers at most, and the infrared light can generate diffuse reflection when encountering obstacles such as walls and the like. Therefore, by means of the high-power infrared transmitting equipment, a user can control electrical appliances such as an indoor air conditioner and the like under a remote invisible condition, and huge potential safety hazards exist. Therefore, it is necessary to design a mechanism capable of implementing security authentication of remote control device, so as to ensure that only users in the visible range can control the controlled device, thereby improving the security of infrared remote control communication.
Disclosure of Invention
The invention aims to provide a communication method capable of realizing safety authentication of infrared remote control equipment aiming at the problem that no safety mechanism exists in the infrared communication process in the prior art, and the communication safety is higher by adopting a random challenge code to authenticate a remote control end.
In order to achieve the purpose, the invention has the following technical scheme:
a communication method capable of realizing safety authentication of infrared remote control equipment comprises the following steps:
step one, infrared control codes are sent to controlled equipment through remote control equipment, and if the controlled equipment does not need safety certification, actions are executed directly according to the infrared control codes; if the controlled equipment needs safety authentication, the step II is carried out;
step two, the controlled equipment interrupts the execution of the infrared control code sent by the remote control equipment and generates a challenge code on the controlled equipment;
inputting a matching challenge code by a user through remote control equipment and sending the matching challenge code to controlled equipment;
step four, the controlled equipment receives the matching challenge code input by the user and then compares the matching challenge code with the challenge code generated in the step two:
1) if the received challenge code is the same as the native challenge code, the security authentication is passed, and the step five is skipped;
2) if the received challenge code is different from the native challenge code, the security authentication is not passed, and the step six is skipped;
step five, the controlled equipment continues to execute the infrared control code sent by the remote control equipment;
and step six, the controlled equipment generates a new challenge code, and the controlled equipment jumps to the step two to continue to be repeatedly executed.
Preferably, in an embodiment of the communication method capable of implementing the secure authentication of the infrared remote control device according to the present invention, the challenge code is a random number or an operation sequence of a specific key.
Preferably, in an embodiment of the communication method capable of implementing the secure authentication of the infrared remote control device according to the present invention, the controlled device has a display interface for displaying the generated challenge code, and the step sends a challenge prompt signal to the controlled device.
Preferably, in an embodiment of the communication method capable of implementing the security authentication of the infrared remote control device according to the present invention, if the controlled device detects that the setting is abnormal, the first step directly skips to the second step to generate the challenge code and send a waring prompt signal.
Preferably, in an embodiment of the communication method capable of implementing the security authentication of the infrared remote control device according to the present invention, the challenge prompt signal in the second step is a voice prompt signal of a special alarm.
Preferably, in an embodiment of the communication method capable of implementing the security authentication of the infrared remote control device according to the present invention, the display interface of the controlled device is implemented by a nixie tube or an LCD, and the remote control device has a panel for inputting the challenge code.
Preferably, in an embodiment of the communication method capable of implementing security authentication of the infrared remote control device according to the present invention, in the fifth step, the controlled device is provided with a timer or an operation counter, security authentication is not performed within a subsequent set time or within a set operation number, and the controlled device directly receives the infrared control code of the remote control device and executes actions according to the control code.
Preferably, in an embodiment of the communication method capable of implementing security authentication of an infrared remote control device according to the present invention, the controlled device includes an air conditioner and a television, and the remote control device is a remote controller for pairing the air conditioner and the television.
Compared with the prior art, the invention has the following beneficial effects: and the remote control equipment is subjected to security authentication through the challenge code generated by the controlled equipment, so that the controlled equipment is prevented from being controlled maliciously by a user in a non-visual range. Therefore, any remote malicious attack user cannot obtain the challenge code, and the controlled equipment cannot process the remote control requests, so that the purpose of improving the infrared remote control communication safety can be achieved. If the remote control equipment is trusted, the controlled equipment can directly execute the action according to the infrared control code without safety certification.
Further, if the controlled device detects that the setting is abnormal, the challenge code is directly generated and a warfare prompt signal is sent out, if the air conditioner is set to be over high in temperature, the operation of the remote control device is safely prompted, and whether the remote control device is a safety authentication user or not is also detected.
Furthermore, a timer or an operation counter is arranged on the controlled equipment, if the safety certification is passed, the safety certification is not carried out in the subsequent set time or the set operation number, the controlled equipment directly receives the infrared control code of the remote control equipment and executes the operation according to the control code, the flow is saved, the efficiency of the method in the executing process is improved, and the redundant operation is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a communication method for realizing the safety authentication of the infrared remote control equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention.
Based on the embodiments of the present invention, those skilled in the art can make several simple modifications and decorations without creative efforts, and all other embodiments obtained belong to the protection scope of the present invention.
Reference in the present specification to "an example" means that a particular feature, structure, or characteristic described in connection with the example may be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, according to the communication method capable of implementing the security authentication of the infrared remote control device disclosed by the invention, the security authentication of the remote control device is performed through the challenge code generated by the controlled device, so that the controlled device is prevented from being maliciously controlled by a user in a non-visual range.
The method specifically comprises the following steps:
step one, infrared control codes are sent to controlled equipment through remote control equipment, and if the controlled equipment does not need safety certification, actions are executed directly according to the infrared control codes; and if the controlled equipment needs the safety authentication, the step II is carried out.
And step two, the controlled equipment interrupts the execution of the infrared control code sent by the remote control equipment and generates a challenge code on the controlled equipment. The challenge code may be a random number or an operation sequence of a specific key. The controlled equipment displays the generated challenge code through a display interface, the display interface is a nixie tube or an LCD, and meanwhile, a voice prompt signal of a special alarm is sent to the controlled equipment.
And step three, inputting the matching challenge code by the user through a panel of the remote control equipment and sending the matching challenge code to the controlled equipment.
Step four, the controlled equipment receives the matching challenge code input by the user and then compares the matching challenge code with the challenge code generated in the step two:
1) if the received challenge code is the same as the native challenge code, the security authentication is passed, and the step five is skipped;
2) if the received challenge code is different from the native challenge code, the security authentication is not passed, and the step six is skipped;
step five, the controlled equipment continues to execute the infrared control code sent by the remote control equipment;
and step six, the controlled equipment generates a new challenge code, and the controlled equipment jumps to the step two to continue to be repeatedly executed.
As an embodiment of the method, the controlled device can be a device which can be remotely controlled by infrared rays, such as an air conditioner, a television and the like, and the remote control device is a remote controller which is matched with the air conditioner, the television and the like. Here, the remote control device is required to perform security authentication when the controlled device detects a setting abnormality (e.g., an excessive air conditioner setting temperature, etc.) or randomly by transmitting a special warning sound, or the like.
In the fifth step of the above embodiment, the controlled device may be provided with a timer or an operation counter, and the controlled device directly receives the infrared control code of the remote control device and executes the operation according to the control code without performing security authentication within the subsequent set time or the set operation number, thereby saving the process, improving the efficiency of the method in the execution process, and avoiding redundant operations.
The method mainly comprises two processes of challenge code generation and corresponding authentication. Aiming at the defect that no safety mechanism exists in the traditional infrared communication process used by equipment such as an air conditioner, a television and the like, the method provides a safety mechanism for authenticating a remote control end by adopting a random challenge code, and any remote malicious attack user cannot obtain the challenge code and controlled equipment cannot process the remote control requests, so that the purpose of improving the infrared remote control communication safety can be achieved, and the method has a wide application prospect.
While the invention has been described above with reference to specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made therein without departing from the spirit and scope of the invention. Accordingly, the specification and figures are merely exemplary of the invention as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention, and those modifications and variations are within the scope of the claims of the invention and their equivalents.
Claims (8)
1. A communication method capable of realizing safety authentication of infrared remote control equipment is characterized by comprising the following steps:
step one, infrared control codes are sent to controlled equipment through remote control equipment, and if the controlled equipment does not need safety certification, actions are executed directly according to the infrared control codes; if the controlled equipment needs safety authentication, the step II is carried out;
step two, the controlled equipment interrupts the execution of the infrared control code sent by the remote control equipment and generates a challenge code on the controlled equipment;
inputting a matching challenge code by a user through remote control equipment and sending the matching challenge code to controlled equipment;
step four, the controlled equipment receives the matching challenge code input by the user and then compares the matching challenge code with the challenge code generated in the step two:
1) if the received challenge code is the same as the native challenge code, the security authentication is passed, and the step five is skipped;
2) if the received challenge code is different from the native challenge code, the security authentication is not passed, and the step six is skipped;
step five, the controlled equipment continues to execute the infrared control code sent by the remote control equipment;
and step six, the controlled equipment generates a new challenge code, and the controlled equipment jumps to the step two to continue to be repeatedly executed.
2. The communication method capable of realizing the safety certification of the infrared remote control equipment according to claim 1, is characterized in that:
the challenge code is a random number or an operation sequence of a specific key.
3. The communication method capable of realizing the safety certification of the infrared remote control equipment according to claim 1, is characterized in that: the controlled equipment is provided with a display interface for displaying the generated challenge code, and the step sends a challenge prompt signal to the controlled equipment.
4. The communication method capable of realizing the safety certification of the infrared remote control equipment as claimed in claim 3, wherein: and if the controlled equipment detects that the setting is abnormal, directly skipping to the second step to generate a challenge code and send out a waring prompt signal.
5. The communication method capable of realizing the safety certification of the infrared remote control equipment as claimed in claim 3, wherein:
and the challenge prompt signal in the step two is a voice prompt signal of a special alarm.
6. The communication method capable of realizing the safety certification of the infrared remote control equipment as claimed in claim 3, wherein: the display interface of the controlled equipment is realized through a nixie tube or an LCD, and the remote control equipment is provided with a panel for inputting challenge codes.
7. The communication method capable of realizing the safety certification of the infrared remote control equipment according to claim 1, is characterized in that: and step five, setting a timer or an operation counter on the controlled equipment, not performing safety certification within the subsequent set time or set operation number, directly receiving the infrared control code of the remote control equipment by the controlled equipment, and executing actions according to the control code.
8. The communication method capable of realizing the safety certification of the infrared remote control equipment according to claim 1, is characterized in that: the controlled equipment comprises an air conditioner and a television, and the remote control equipment is a remote controller for matching the air conditioner and the television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320580.1A CN110996323A (en) | 2019-12-19 | 2019-12-19 | Communication method capable of realizing safety certification of infrared remote control equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911320580.1A CN110996323A (en) | 2019-12-19 | 2019-12-19 | Communication method capable of realizing safety certification of infrared remote control equipment |
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| CN110996323A true CN110996323A (en) | 2020-04-10 |
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| CN201911320580.1A Pending CN110996323A (en) | 2019-12-19 | 2019-12-19 | Communication method capable of realizing safety certification of infrared remote control equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618784A (en) * | 2015-02-28 | 2015-05-13 | 江苏惠通集团有限责任公司 | safety authentication method, remote control method, remote control device and authentication system for network television |
| CN105070004A (en) * | 2015-07-15 | 2015-11-18 | 泰凌微电子（上海）有限公司 | Intelligent equipment, as well as remote control system and remote control pairing method of intelligent equipment |
| CN108076045A (en) * | 2016-11-11 | 2018-05-25 | 本田技研工业株式会社 | Communicator, communication system, communication means and computer readable recording medium storing program for performing |
| WO2019191656A1 (en) * | 2018-03-30 | 2019-10-03 | Mobile Tech, Inc. | Wirelessly connected environment of wireless nodes |
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- 2019-12-19 CN CN201911320580.1A patent/CN110996323A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618784A (en) * | 2015-02-28 | 2015-05-13 | 江苏惠通集团有限责任公司 | safety authentication method, remote control method, remote control device and authentication system for network television |
| CN105070004A (en) * | 2015-07-15 | 2015-11-18 | 泰凌微电子（上海）有限公司 | Intelligent equipment, as well as remote control system and remote control pairing method of intelligent equipment |
| CN108076045A (en) * | 2016-11-11 | 2018-05-25 | 本田技研工业株式会社 | Communicator, communication system, communication means and computer readable recording medium storing program for performing |
| WO2019191656A1 (en) * | 2018-03-30 | 2019-10-03 | Mobile Tech, Inc. | Wirelessly connected environment of wireless nodes |
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Application publication date: 20200410 |