CN113992277B - Method, system, equipment and medium for detecting data transmission in optical signal - Google Patents
Method, system, equipment and medium for detecting data transmission in optical signal Download PDFInfo
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- CN113992277B CN113992277B CN202111232449.7A CN202111232449A CN113992277B CN 113992277 B CN113992277 B CN 113992277B CN 202111232449 A CN202111232449 A CN 202111232449A CN 113992277 B CN113992277 B CN 113992277B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 238000004364 calculation method Methods 0.000 claims abstract description 23
- 239000000969 carrier Substances 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000006399 behavior Effects 0.000 claims description 9
- 230000001788 irregular Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection
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- Optical Communication System (AREA)
Abstract
The invention provides a method, a system, equipment and a medium for detecting data transmission in an optical signal, comprising the following steps: monitoring light waves emitted by a light source carrier in a scene in real time to obtain light wave attribute information; determining the types of light source carriers in the scene, and calculating the respective light wave attribute information of the light source carriers in different types to judge whether the attribute information of the corresponding light wave changes or not; if yes, judging that the behavior of utilizing the light waves in the scene to steal the data in the scene exists, and carrying out early warning. According to the invention, the light waves in the scene are monitored in real time, whether data transmission exists in the light waves is judged through calculation of the light wave attributes, the behavior of stealing the data in the scene through light wave media can be found in time, early warning processing is carried out at the first time, and the safety of the data information in the scene is effectively ensured, especially for sensitive and secret-related scenes.
Description
Technical Field
The present invention relates to the field of information security technologies, and in particular, to a method, a system, an apparatus, and a medium for detecting data transmission in an optical signal.
Background
With the development of data acquisition technology, data stealing means are changed from direct or indirect stealing through a network or equipment to stealing through intermediate calculation through a scene carrier. The light wave signal has communication property, can be used as a medium for data transmission, and light waves in a certain scene, including visible light waves and invisible light waves emitted by lighting equipment, electronic devices and the like, can be linked with data information in the scene, including equipment transmission data in the scene, network transmission data, conference conversation content and the like. Therefore, the light wave signal becomes a new available medium for data stealers, the data information security is seriously threatened, and particularly, aiming at sensitive or secret-related scenes, the risk that the data information is leaked and stolen through the light wave signal in the scenes is extremely high.
Disclosure of Invention
In view of this, the present invention provides a method, a system, a device and a medium for detecting data transmission in an optical signal, which monitors an optical wave in a scene in real time, determines whether there is data transmission in the optical wave by calculating an attribute of the optical wave, further determines a data stealing behavior, and performs an early warning process, so as to at least partially solve the above-mentioned existing problems.
The specific invention comprises the following steps:
a method for detecting data transmission in an optical signal, comprising:
monitoring light waves emitted by a light source carrier in a scene in real time to obtain light wave attribute information;
determining the types of light source carriers in the scene, and calculating the respective light wave attribute information of the light source carriers in different types by utilizing a randomness detection algorithm to determine whether the attribute information of the corresponding light wave changes;
if yes, judging that the behavior of utilizing the light waves in the scene to steal the data in the scene exists, and carrying out early warning.
Further, the light source carrier comprises at least one of the following: a visible light source carrier and an invisible light source carrier; the attribute information of the light waves at least comprises one of the following: the frequency of the light wave, the wavelength of the light wave. Both visible and invisible light can transmit data, with invisible light including microwaves, electromagnetic waves, radiation, and the like.
Further, after said calculating the light wave attribute information of each of the different classes of light source carriers using the randomness detection algorithm, the method further comprises:
and according to the calculation result, determining the light wave attribute information with irregular random data as changed attribute information.
Further, the early warning is performed, and meanwhile, the method further comprises the following steps:
and the device is linked with equipment capable of blocking or suspending data transmission in a scene, the operation of blocking or suspending the data transmission is started, and a data transmission channel is cut off.
A data transmission detection system in an optical signal, comprising:
the light wave monitoring module is provided with light sensing equipment and is used for monitoring light waves emitted by the light source carrier in a scene in real time and sending the monitored light wave attribute information to the light wave calculation module in real time; the light sensing device comprises an optical sensor and an optical detector;
the light wave calculation module is used for receiving the light wave attribute information sent by the light wave monitoring module in real time, determining the type of the light source carrier in the scene, calculating the light wave attribute information of each light source carrier in different types by utilizing a randomness detection algorithm so as to determine whether the attribute information of the corresponding light wave changes, if so, judging that the behavior of stealing the data in the scene by utilizing the light wave in the scene exists, and sending the early warning information to the early warning module;
and the early warning module is used for receiving the early warning information sent by the light wave calculation module and carrying out early warning according to the early warning rule.
Further, the light source carrier comprises at least one of the following: a visible light source carrier and an invisible light source carrier; the attribute information of the light waves at least comprises one of the following: the frequency of the light wave, the wavelength of the light wave. Both visible and invisible light can transmit data, with invisible light including microwaves, electromagnetic waves, radiation, and the like.
Further, after the calculating the light wave attribute information of each of the different types of light source carriers by using the randomness detection algorithm, the light wave calculating module is further configured to:
and according to the calculation result, determining the light wave attribute information with irregular random data as changed attribute information.
Further, the early warning module is also used for linking with equipment capable of blocking or suspending data transmission in a scene, starting the operation of blocking or suspending the data transmission and cutting off a data transmission channel.
An electronic device, the electronic device comprising: the device comprises a shell, a processor, a memory, a light sensing element, a circuit board and a power supply circuit, wherein the circuit board is arranged in a space surrounded by the shell, and the processor, the memory and the light sensing element are arranged on the circuit board; a power supply circuit for supplying power to each circuit or device of the electronic apparatus; the light sensing element is used for receiving the light wave data; the memory is used for storing executable program codes; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for executing the data transmission detection method in the optical signal described above.
A computer-readable storage medium storing one or more programs executable by one or more processors to implement the method of data transmission detection in an optical signal described above.
The beneficial effects of the invention are as follows:
according to the invention, the light waves in the scene are monitored in real time, whether data transmission exists in the light waves is judged through calculation of the light wave attributes, the behavior of stealing the data in the scene through light wave media can be found in time, early warning processing is carried out at the first time, and the safety of the data information in the scene is effectively ensured, especially for sensitive and secret-related scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for detecting data transmission in an optical signal according to an embodiment of the present invention;
FIG. 2 is a block diagram of a data transmission detection system in an optical signal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, without conflict, the following embodiments and features in the embodiments may be combined with each other; and, based on the embodiments in this disclosure, all other embodiments that may be made by one of ordinary skill in the art without inventive effort are within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
The present invention proposes an embodiment of a method for detecting data transmission in an optical signal, as shown in fig. 1, including:
s11: monitoring light waves emitted by a light source carrier in a scene in real time to obtain light wave attribute information;
s12: determining the types of light source carriers in the scene, and calculating the respective light wave attribute information of the light source carriers of different types by utilizing a randomness detection algorithm;
s13: determining whether attribute information of the corresponding light wave changes; if yes, entering S14, otherwise returning to S11;
s14: and judging that the behavior of stealing the data in the scene by utilizing the light waves in the scene exists, and carrying out early warning.
In general, the attribute information of the light wave is fixed and cannot be changed randomly, and when the attribute information is changed, the attribute information is likely to be used by interference; the early warning mode comprises the following steps: audible and visual alarm in the scene, short message early warning and the like.
Preferably, the light source carrier includes a visible light source carrier including a lighting device, an electronic device display lamp, a display, and the like, an invisible light source carrier including a microwave device, an electromagnetic device, and the like; the attribute information of the light wave comprises the frequency and the wavelength of the light wave. The visible light and the invisible light can transmit data, and the invisible light comprises microwaves, electromagnetic waves, rays and the like, so that the use frequency is high in scenes such as general hospitals, armies, scientific research institutions and the like. The method is applicable to light waves of visible light and invisible light, the monitoring range is comprehensive, two attribute information of light wave frequency and light wave wavelength are more fixed, and the calculation result of the two information is more accurate.
Preferably, after said calculating the light wave attribute information of each of the different classes of light source carriers using a randomness detection algorithm, the method further comprises:
according to the calculation result, light wave attribute information with irregular random data is determined as changed attribute information; and if the changed attribute information does not exist, continuously tracking and calculating the attribute information.
The randomness detection algorithm comprises single bit frequency detection, playing card detection, running total detection, matrix anecdotal detection, maurer general statistical monitoring and the like. In general, the frequency of light waves of lighting equipment such as ceiling lamps in a scene is 50Hz, the light waves of an LED light source carrier are stable light waves, flicker frequency does not exist, and if irregular stroboscopic or stroboscopic of the light waves is found through calculation, random data are generated in the light waves, and the light waves are judged to be interfered and utilized for transmitting data. The above-mentioned disturbed strobe is hardly noticeable to the naked eye even with visible light.
Preferably, the early warning is performed simultaneously with the early warning, further comprising:
and the device is linked with equipment capable of blocking or suspending data transmission in a scene, the operation of blocking or suspending the data transmission is started, and a data transmission channel is cut off. For example, automatically starting a curtain, blocking the external acquisition of light waves, automatically closing a light source carrier in a scene, cutting off a network in the scene, and the like. Besides the in-scene audible and visual alarm and short message early warning, the device can be linked with in-scene equipment to cut off a data transmission channel in time, so that the safety of data information is further ensured.
The present invention also proposes an embodiment of a data transmission detection system in an optical signal, as shown in fig. 2, including:
the light wave monitoring module 21 is provided with light sensing equipment and is used for monitoring light waves emitted by the light source carrier in a scene in real time and sending the monitored light wave attribute information to the light wave calculation module in real time; the light sensing device comprises an optical sensor and an optical detector;
the light wave calculation module 22 is configured to receive the light wave attribute information sent by the light wave monitoring module 21 in real time, determine a category of a light source carrier in the scene, calculate the light wave attribute information of each of the light source carriers in different categories by using a randomness detection algorithm, determine whether the attribute information of the corresponding light wave changes, if yes, determine that there is a behavior of stealing data in the scene by using the light wave in the scene, and send early warning information to the early warning module 23;
and the early warning module 23 is used for receiving the early warning information sent by the light wave calculation module 22 and carrying out early warning according to the early warning rule.
In general, the attribute information of the light wave is fixed and cannot be changed randomly, and when the attribute information is changed, the attribute information is likely to be used by interference; the early warning mode comprises the following steps: audible and visual alarm in the scene, short message early warning and the like.
Preferably, the light source carrier comprises at least one of the following: a visible light source carrier and an invisible light source carrier; the attribute information of the light waves at least comprises one of the following: the frequency of the light wave, the wavelength of the light wave. Both visible and invisible light can transmit data, with invisible light including microwaves, electromagnetic waves, radiation, and the like. The method is applicable to light waves of visible light and invisible light, the monitoring range is comprehensive, two attribute information of light wave frequency and light wave wavelength are more fixed, and the calculation result of the two information is more accurate.
Preferably, after said calculating the light wave attribute information of each of the different classes of light source carriers using the randomness detection algorithm, the light wave calculation module is further configured to:
according to the calculation result, light wave attribute information with irregular random data is determined as changed attribute information; and if the changed attribute information does not exist, continuously tracking and calculating the attribute information.
Preferably, the early warning module 23 is further configured to, in conjunction with a device capable of blocking or suspending data transmission in a scene, start an operation of blocking or suspending data transmission, and cut off a data transmission channel. Besides the in-scene audible and visual alarm and short message early warning, the device can be linked with in-scene equipment to cut off a data transmission channel in time, so that the safety of data information is further ensured.
The partial processes of the system embodiment of the invention are similar to those of the method embodiment, the description of the system embodiment is simpler, and the corresponding parts refer to the method embodiment.
The embodiment of the present invention further provides an electronic device, as shown in fig. 3, capable of implementing the flow of the embodiment shown in fig. 1 of the present invention, where the electronic device includes: the device comprises a shell 31, a processor 32, a memory 33, a light sensing element 34, a circuit board 35 and a power circuit 36, wherein the circuit board 35 is arranged in a space surrounded by the shell 31, and the processor 32, the memory 33 and the light sensing element 34 are arranged on the circuit board 35; a power supply circuit 36 for supplying power to the respective circuits or devices of the above-described electronic apparatus; the light sensing element 34 is used for receiving the light wave data; the memory 33 is for storing executable program code; the processor 32 executes a program corresponding to the executable program code by reading the executable program code stored in the memory for performing the method described in the foregoing embodiment.
The specific implementation of the above steps by the processor 32 and the further implementation of the steps by the processor 32 through the execution of the executable program code may be referred to in the description of the embodiment of fig. 1 of the present invention, which is not repeated herein.
The electronic device exists in a variety of forms including, but not limited to:
(1) And (3) a server: the configuration of the server includes a processor, a hard disk, a memory, a system bus, and the like, and the server is similar to a general computer architecture, but is required to provide highly reliable services, and thus has high requirements in terms of processing capacity, stability, reliability, security, scalability, manageability, and the like.
(2) Other electronic devices with data interaction functions.
Embodiments of the present invention also provide a computer-readable storage medium storing one or more programs executable by one or more processors to implement the methods described in the foregoing embodiments.
According to the invention, the light waves in the scene are monitored in real time, whether data transmission exists in the light waves is judged through calculation of the light wave attributes, the behavior of stealing the data in the scene through light wave media can be found in time, early warning processing is carried out at the first time, and the safety of the data information in the scene is effectively ensured, especially for sensitive and secret-related scenes.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A method for detecting data transmission in an optical signal, comprising:
monitoring light waves emitted by a light source carrier in a scene in real time to obtain light wave attribute information;
determining the types of light source carriers in the scene, and calculating the respective light wave attribute information of the light source carriers in different types by utilizing a randomness detection algorithm to determine whether the attribute information of the corresponding light wave changes; the category of the light source carriers comprises visible light source carriers and invisible light source carriers;
if yes, judging that the behavior of utilizing the light waves in the scene to steal the data in the scene exists, and carrying out early warning.
2. The method of claim 1, wherein the light wave attribute information comprises at least one of: the frequency of the light wave, the wavelength of the light wave.
3. The method of claim 2, wherein after said calculating the respective light wave attribute information for different classes of light source carriers using a randomness detection algorithm, the method further comprises:
and according to the calculation result, determining the light wave attribute information with irregular random data as changed attribute information.
4. A method according to claim 3, wherein, while said pre-warning is being performed, further comprising:
and the device is linked with equipment capable of blocking or suspending data transmission in a scene, the operation of blocking or suspending the data transmission is started, and a data transmission channel is cut off.
5. A data transmission detection system in an optical signal, comprising:
the light wave monitoring module is provided with light sensing equipment and is used for monitoring light waves emitted by the light source carrier in a scene in real time and sending the monitored light wave attribute information to the light wave calculation module in real time;
the light wave calculation module is used for receiving the light wave attribute information sent by the light wave monitoring module in real time, determining the type of the light source carrier in the scene, calculating the light wave attribute information of each light source carrier in different types by utilizing a randomness detection algorithm so as to determine whether the attribute information of the corresponding light wave changes, if so, judging that the behavior of stealing the data in the scene by utilizing the light wave in the scene exists, and sending the early warning information to the early warning module; the category of the light source carriers comprises visible light source carriers and invisible light source carriers;
and the early warning module is used for receiving the early warning information sent by the light wave calculation module and carrying out early warning according to the early warning rule.
6. The system of claim 5, wherein the lightwave attribute information comprises at least one of: the frequency of the light wave, the wavelength of the light wave.
7. The system of claim 6, wherein after said computing the light wave attribute information for each of the different classes of light source carriers using a randomness detection algorithm, the light wave computation module is further configured to:
and according to the calculation result, determining the light wave attribute information with irregular random data as changed attribute information.
8. The system of claim 7, wherein the pre-warning module is further configured to, in conjunction with a device in a scene that can block or pause data transmission, initiate an operation of blocking or pausing data transmission, and cut off a data transmission channel.
9. An electronic device, the electronic device comprising: the device comprises a shell, a processor, a memory, a light sensing element, a circuit board and a power supply circuit, wherein the circuit board is arranged in a space surrounded by the shell, and the processor, the memory and the light sensing element are arranged on the circuit board; a power supply circuit for supplying power to each circuit or device of the electronic apparatus; the light sensing element is used for receiving the light wave data; the memory is used for storing executable program codes; a processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory for performing the method of any of claims 1-4.
10. A computer readable storage medium storing one or more programs executable by one or more processors to implement the method of any of claims 1-4.
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