CN105577765A - Method and apparatus for information transmission by use of flash lamp - Google Patents
Method and apparatus for information transmission by use of flash lamp Download PDFInfo
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- CN105577765A CN105577765A CN201510946130.9A CN201510946130A CN105577765A CN 105577765 A CN105577765 A CN 105577765A CN 201510946130 A CN201510946130 A CN 201510946130A CN 105577765 A CN105577765 A CN 105577765A
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- photoflash lamp
- mobile device
- challenge code
- challenge
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
-
- 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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
-
- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
- H04L63/0838—Network architectures or network communication protocols for network security for authentication of entities using passwords using one-time-passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
- H04L9/3228—One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides a method and apparatus for information transmission by use of a flash lamp. The method comprises the following steps: step 1, a server generating a challenge code; step 2, the server sending the challenge code to a mobile device; step 3, the mobile device encoding the challenge code and controlling the flash lamp to transmit the encoded challenge code; step 4, an OTP device capturing scintillation of the flash lamp of the mobile device through such sensing devices as a photosensitive transistor and the like; step 5, the OTP device analyzing the scintillation of the flash lamp of the mobile device, and generating a response code; step 6, displaying the response code in the form of a two-dimensional code; and step 7, the mobile device scanning the two-dimensional code, analyzing the response code and automatically filling the mobile device with the response code such that complete authentication interaction is completed.
Description
Technical field
The application relates to optical transmission of information field, particularly relates to a kind of method utilizing photoflash lamp to carry out information transmission.
Background technology
Now except digital data transmission, in order to the increasing information of the accuracy rate improving efficiency of transmission and transmission uses optical transmission of information mode.
In network payment field, in order to carry out authentication to payment both sides, conventional prior art is dynamic password (One-timePassword), later referred to as OTP.When user is when using computer or mobile device to carry out concluding the business or transferring accounts, after computer or mobile device are opened relative client and are logged in, the Transaction Information that input is relevant, user clicks the determination option of client after the relevant information confirming input, string number can be generated above the client of computer or mobile device, this string numeral is challenge code, has the dialog box of input answer back code in same interface, waits for that user carries out input operation; Challenge code in client is input in OTP by OTP keyboard by user, confirm the errorless acknowledgement key clicking OTP afterwards, OTP device can regenerate string number by calculating, and this string numeral is answer back code, and answer back code is input in the dialog box of the answer back code of client by user, click the confirmation of client, whether the challenge code of background server meeting authentication of users input calculates correctly, if calculate correct, then and Transaction Success, otherwise, Fail Transaction.
Carrying out needing user to carry out the input operation of twice in the mutual process of certification once like this, that is: what the client of computer or mobile device generated is challenge code, challenge code needs user to be input in OTP to calculate, the result calculated is answer back code, user needs answer back code to be input in client, carry out verification computation by bank's background server whether correct, and will ensure that the data inputted are errorless and just can be successfully completed verification process, the efficiency of certification can be reduced like this.
Summary of the invention
In view of this, the application provides a kind of method utilizing photoflash lamp to carry out information transmission, comprising:.
Step 1, server generate challenge code;
Challenge code is sent to mobile device by step 2, server;
Challenge code is encoded by step 3, mobile device, and controls the challenge code after its photoflash lamp transfer encoding;
Step 4, OTP device catch the flicker of the photoflash lamp of mobile device by senser elements such as photistors;
Step 5, OTP device resolve the flicker of mobile device photoflash lamp; And produce answer back code;
Step 6, answer back code to be shown with the form of Quick Response Code;
Step 7, mobile device scanning Quick Response Code, parse answer back code, answer back code, in mobile device, is passed to server and verifies by automatic filling, completes certification mutual after being proved to be successful.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
Challenge code is encoded to Morse code or binary code and the flicker controlling photoflash lamp is transmitted.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by the flicker of described photoflash lamp, or represents bit1 and bit0 according to the lighting time length of photoflash lamp.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, also comprises: be encrypted transmission to the light signal of transmission.
In the application's preferred embodiment, described encrypted transmission comprises: if the challenge code after binary coding is: X={X
0, X
1, X
2..., X
n;
Utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0, i=1,2 ..., n.
Additionally provide a kind of device utilizing photoflash lamp to carry out information transmission in this application, this device comprises:
Server, for generating challenge code, and is sent to mobile device by challenge code;
Mobile device, encodes challenge code, and controls the challenge code after its photoflash lamp transfer encoding;
OTP device, for catching the flicker of the photoflash lamp of described mobile device, resolves the flicker of this mobile device photoflash lamp, produces answer back code, and is shown with the form of Quick Response Code by answer back code;
Mobile device also for scanning Quick Response Code, parses answer back code, and answer back code, in mobile device, is passed to server and verifies by automatic filling, completes certification mutual after being proved to be successful.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
Challenge code is encoded to Morse code or binary code and the flicker controlling photoflash lamp is transmitted.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by the flicker of described photoflash lamp, or represents bit1 and bit0 according to the lighting time length of photoflash lamp.
In the application's preferred embodiment, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, also comprises: be encrypted transmission to the light signal of transmission.
In the application's preferred embodiment, described encrypted transmission comprises: if the challenge code after binary coding is: X={X
0, X
1, X
2..., X
n;
Utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0, i=1,2 ..., n.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart utilizing photoflash lamp to carry out the method for information transmission in the application;
Fig. 2 is the structure chart utilizing photoflash lamp to carry out the device of information transmission in the application.
Embodiment
In order to simplify user's input, shortening user's input time, avoiding user to input the mistake brought by hand, and the fail safe of guarantee information transmission further.
Disclose a kind of method utilizing photoflash lamp to carry out information transmission in the application, it utilizes the photoflash lamp of mobile device that challenge code is passed to OTP device, and OTP device receives challenge code and resolves; OTP device produces answer back code by certain algorithm, and is shown with the form of Quick Response Code by its LCD carried, and utilizes the camera scanning Quick Response Code of mobile device, parses answer back code and be filled in mobile device, complete certification.
Disclose a kind of method utilizing photoflash lamp to carry out information transmission in the application, the method comprises the following steps:
Step 1, server generate challenge code;
Challenge code is sent to mobile device by step 2, server;
Challenge code is encoded by step 3, mobile device, and controls the challenge code after its photoflash lamp transfer encoding.
Challenge code can being encoded to Morse code or binary code, controlling the flicker of photoflash lamp by installing client on the mobile apparatus, such as: according to challenge code flicker, or control the time of photoflash lamp.The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by flicker, or represents bit1 and bit0 according to the lighting time length of photoflash lamp, e.g., and the representative 1 that the time is slightly grown, slightly short representative 0.
Alternatively, in order to ensure the fail safe of the challenge code that photoflash lamp transmits, can be encrypted transmission to the light signal of transmission, that is: the light signal of transmission is not original challenge code information, even if replicate challenge code cannot obtain real challenge code when not having corresponding analytic method yet.
Preferably, the challenge code after binary coding is:
X＝{X
0，X
1，X
2，……，X
n}；
Make full use of the characteristic of light signal, utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0i=1,2 ..., n.
Step 4, OTP device catch the flicker of the photoflash lamp of mobile device by senser elements such as photistors.
Step 5, OTP device resolve the flicker of mobile device photoflash lamp; And produce answer back code.
Simply, if when mobile device is encoded to challenge code, using method is: the bright of photoflash lamp can be secretly expressed as bit1 and bit0 by flicker, or the lighting time length according to photoflash lamp represents bit1 and bit0, as, the representative 1 that the time is slightly grown, slightly short representative 0.Then now OTP device then carries out inverse transformation to the received signal according to aforesaid way.
Preferably, if when mobile device is encoded to challenge code, using method is: the challenge code after binary coding is:
X＝{X
0，X
1，X
2，……，X
n}；
Make full use of the characteristic of light signal, utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)], wherein E
0=X
0i=1,2 ..., n.
Then now, OTP analytic method is the inverse process of formula (1).
Step 6, answer back code to be shown with the form of Quick Response Code;
Step 7, mobile device scanning Quick Response Code, parse answer back code, automatic filling, in mobile device, completes certification mutual.
After mobile device obtains answer back code, pass to server and verify, after being verified, an interaction success completes.
Present invention also provides a kind of device utilizing photoflash lamp to carry out information transmission, this device comprises:
Server 11, for generating challenge code, and is sent to mobile device by challenge code.
Mobile device 12, challenge code is encoded by mobile device, and controls the challenge code after its photoflash lamp transfer encoding.
Challenge code can being encoded to Morse code or binary code, controlling the flicker of photoflash lamp by installing client on the mobile apparatus, such as: according to challenge code flicker, or control the time of photoflash lamp.The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by flicker, or represents bit1 and bit0 according to the lighting time length of photoflash lamp, e.g., and the representative 1 that the time is slightly grown, slightly short representative 0.
Alternatively, in order to ensure the fail safe of the challenge code that photoflash lamp transmits, can be encrypted transmission to the light signal of transmission, that is: the light signal of transmission is not original challenge code information, even if replicate challenge code cannot obtain real challenge code when not having corresponding analytic method yet.
Preferably, the challenge code after binary coding is:
X＝{X
0，X
1，X
2，……，X
n}；
Make full use of the characteristic of light signal, utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0, i=1,2 ..., n.
OTP device 13, catches the flicker of the photoflash lamp of mobile device by senser elements such as photistors, resolve the flicker of mobile device photoflash lamp, produces answer back code, and is shown with the form of Quick Response Code by answer back code.
Simply, if when mobile device is encoded to challenge code, using method is: the bright of photoflash lamp can be secretly expressed as bit1 and bit0 by flicker, or the lighting time length according to photoflash lamp represents bit1 and bit0, as, the representative 1 that the time is slightly grown, slightly short representative 0.Then now OTP device then carries out inverse transformation to the received signal according to aforesaid way.
Preferably, if when mobile device is encoded to challenge code, using method is: the challenge code after binary coding is:
X＝{X
0，X
1，X
2，……，X
n}；
Make full use of the characteristic of light signal, utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)], wherein E
0=X
0, i=1,2 ..., n.
Then now, OTP analytic method is the inverse process of formula (1).
Mobile device 12, also for scanning Quick Response Code, parses answer back code, and automatic filling, in mobile device, completes certification mutual.
After mobile device obtains answer back code, pass to server and verify, after being verified, an interaction success completes.
The application saves user at OTP end input challenge code, in the time of mobile device end input answer back code, and the trouble that user's input error is re-entered can also be avoided, and owing to not being present with concrete numeral in the process of transfer of data, so more can safety be ensured.
It will be understood by those skilled in the art that the embodiment of the application can be provided as method, device (equipment) or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The application describes with reference to according to the flow chart of the method for the embodiment of the present application, device (equipment) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (10)
1. utilize photoflash lamp to carry out a method for information transmission, the method comprises the following steps:
Step 1, server generate challenge code;
Challenge code is sent to mobile device by step 2, server;
Challenge code is encoded by step 3, mobile device, and controls the challenge code after its photoflash lamp transfer encoding;
Step 4, OTP device catch the flicker of the photoflash lamp of mobile device by senser elements such as photistors;
Step 5, OTP device resolve the flicker of mobile device photoflash lamp; And produce answer back code;
Step 6, answer back code to be shown with the form of Quick Response Code;
Step 7, mobile device scanning Quick Response Code, parse answer back code, answer back code, in mobile device, is passed to server and verifies by automatic filling, completes certification mutual after being proved to be successful.
2. the method for claim 1, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
Challenge code is encoded to Morse code or binary code and the flicker controlling photoflash lamp is transmitted.
3. method as claimed in claim 2, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by the flicker of described photoflash lamp, or represents bit1 and bit0 according to the lighting time length of photoflash lamp.
4. the method for claim 1, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, also comprises: be encrypted transmission to the light signal of transmission.
5. method as claimed in claim 4, described encrypted transmission comprises: if the challenge code after binary coding is: X={X
0, X
1, X
2..., X
n;
Utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0, i=1,2 ..., n.
6. utilize photoflash lamp to carry out a device for information transmission, this device comprises:
Server, for generating challenge code, and is sent to mobile device by challenge code;
Mobile device, encodes challenge code, and controls the challenge code after its photoflash lamp transfer encoding;
OTP device, for catching the flicker of the photoflash lamp of described mobile device, resolves the flicker of this mobile device photoflash lamp, produces answer back code, and is shown with the form of Quick Response Code by answer back code;
Mobile device also for scanning Quick Response Code, parses answer back code, and answer back code, in mobile device, is passed to server and verifies by automatic filling, completes certification mutual after being proved to be successful.
7. device as claimed in claim 6, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
Challenge code is encoded to Morse code or binary code and the flicker controlling photoflash lamp is transmitted.
8. device as claimed in claim 7, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, is specially:
The bright of photoflash lamp secretly can be expressed as bit1 and bit0 by the flicker of described photoflash lamp, or represents bit1 and bit0 according to the lighting time length of photoflash lamp.
9. device as claimed in claim 6, challenge code carries out encoding and challenge code after controlling its photoflash lamp transfer encoding by described mobile device, also comprises: be encrypted transmission to the light signal of transmission.
10. device as claimed in claim 9, described encrypted transmission comprises: if the challenge code after binary coding is: X={X
0, X
1, X
2..., X
n;
Utilize the binary coding X after coding
i+ X
i-1and X
i-X
i-1represent amplitude and the phase place of photoflash lamp transmission light vector respectively, then the light vector signal of photoflash lamp transmission is:
E
i=(X
i+ X
i-1) exp [i (X
i-X
i-1)] formula (1),
Wherein E
0=X
0, i=1,2 ..., n.
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| CN201510946130.9A CN105577765A (en) | 2015-12-16 | 2015-12-16 | Method and apparatus for information transmission by use of flash lamp |
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| CN201510946130.9A CN105577765A (en) | 2015-12-16 | 2015-12-16 | Method and apparatus for information transmission by use of flash lamp |
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| CN106910069B (en) * | 2017-02-07 | 2021-01-15 | 桂林理工大学 | Offline payment method with visible light and bar code bidirectional authentication |
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