WO2018041139A1 - Active-response-based anti-counterfeiting method and system for optical communication device - Google Patents

Active-response-based anti-counterfeiting method and system for optical communication device Download PDF

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Publication number
WO2018041139A1
WO2018041139A1 PCT/CN2017/099649 CN2017099649W WO2018041139A1 WO 2018041139 A1 WO2018041139 A1 WO 2018041139A1 CN 2017099649 W CN2017099649 W CN 2017099649W WO 2018041139 A1 WO2018041139 A1 WO 2018041139A1
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WO
WIPO (PCT)
Prior art keywords
optical communication
communication device
server
verification code
identification information
Prior art date
Application number
PCT/CN2017/099649
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French (fr)
Chinese (zh)
Inventor
王晓东
方俊
李江亮
苏爱民
Original Assignee
陕西外号信息技术有限公司
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Application filed by 陕西外号信息技术有限公司 filed Critical 陕西外号信息技术有限公司
Priority to CN201780051629.0A priority Critical patent/CN109644187B/en
Publication of WO2018041139A1 publication Critical patent/WO2018041139A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0807Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/018Certifying business or products
    • G06Q30/0185Product, service or business identity fraud
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3271Cryptographic 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 challenge-response

Definitions

  • the invention belongs to the field of optical information technology, and more particularly to an anti-counterfeiting method and system for an optical communication device based on an active response.
  • Optical communication devices are capable of transmitting different information by emitting different light, which may also be referred to herein as "optical tags,” which are used interchangeably throughout this application.
  • Optical tags transmit information by emitting different lights, which have the advantages of long distance, visible light conditions, strong directivity, and positionability, and the information transmitted by the optical tags can change rapidly with time, thereby providing a large information capacity. . Therefore, compared with the traditional two-dimensional code, the optical tag has stronger information interaction capability, which can provide great convenience for users and businesses. Due to the openness of the registration of optical labels, anyone can purchase personal services or information by purchasing or applying for optical labels, which creates the possibility of criminals falsifying optical labels. In order to prevent illegal forgery of optical tags, it is necessary to provide an anti-counterfeiting method for optical tags.
  • the present invention provides an optical tag anti-counterfeiting method and system, which is simple and reasonable in process, convenient in use, and good in anti-counterfeiting performance.
  • An aspect of the invention relates to an anti-counterfeiting method for an optical communication device, comprising: a first server receiving an authentication request for an optical communication device to be authenticated from an image collection device of a user, wherein the authentication request includes an optical communication device Identifying information; the first server determines an optical communication device corresponding to the identification information; the first server generates a verification code in response to the authentication request; and the first server transmits the verification code to the image collection device and Determining an optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code, so that the user can perform the optical communication device to be authenticated by using the image collection device Information obtained during image acquisition and said image received by said image acquisition device
  • the verification code is used to judge the authenticity of the optical communication device to be authenticated.
  • Another aspect of the invention relates to a server configured to perform the anti-counterfeiting method described above.
  • an anti-counterfeiting system for an optical communication device comprising: a first server configured to: receive an authentication request for an optical communication device to be authenticated from an image acquisition device of a user, the authentication Determining, in the request, identification information of the optical communication device; determining an optical communication device corresponding to the identification information; generating a verification code in response to the authentication request; and transmitting the verification code to the image collection device and the identifier Corresponding optical communication device, and indicating that the optical communication device corresponding to the identification information presents the verification code, so that the user can perform image collection on the optical communication device to be authenticated by using the image collection device
  • the information obtained at the time and the verification code received by the image collection device determine the authenticity of the optical communication device to be authenticated.
  • Another aspect of the present invention relates to an anti-counterfeiting method for an optical communication device, comprising: transmitting, from an image collection device of a user, an authentication request for an optical communication device to be authenticated to a first server, wherein the authentication request includes optical communication Identification information of the device; receiving, by the image collection device, a verification code from the first server, wherein the verification code is also sent by the first server to an optical communication device corresponding to the identification information for the Presenting the optical communication device; and the image acquisition device determines the optical communication device to be authenticated based on information obtained when image acquisition is performed on the optical communication device to be authenticated and a verification code received from the first server True or false.
  • Another aspect of the invention relates to an image acquisition device comprising an image acquisition component, a processor and a memory, wherein the memory stores a computer program that, when executed by the processor, can be used to implement the above Anti-counterfeiting method.
  • Another aspect of the invention relates to an anti-counterfeiting method for an optical communication device, comprising: a first server receiving an authentication request for an optical communication device to be authenticated from an image collection device of a user, wherein the authentication request includes an optical communication device Identification information; the first server determines an optical communication device corresponding to the identification information; the first server generates a verification code in response to the authentication request; the first server transmits the verification code to the light corresponding to the identification information a communication device, and instructing the optical communication device corresponding to the identification information to present the verification code; the first server receives the image acquisition of the optical communication device to be authenticated from the image collection device of the user And the first server compares the information with the verification code to determine the authenticity of the optical communication device to be authenticated.
  • Another aspect of the invention relates to a server configured to perform the anti-counterfeiting method described above.
  • an anti-counterfeiting system for an optical communication device comprising: a first server configured to: receive an authentication request for an optical communication device to be authenticated from an image acquisition device of a user, the authentication Determining, in the request, identification information of the optical communication device; determining an optical communication device corresponding to the identification information; generating a verification code in response to the authentication request; and transmitting the verification code to the optical communication device corresponding to the identification information, And indicating that the optical communication device corresponding to the identification information presents the verification code; receiving, from the image collection device of the user, information obtained when performing image collection on the optical communication device to be authenticated; and the information and the The verification code is compared to determine the authenticity of the optical communication device to be authenticated.
  • Another aspect of the present invention relates to an anti-counterfeiting method for an optical communication device, comprising: transmitting, from an image collection device of a user, an authentication request for an optical communication device to be authenticated to a first server, wherein the authentication request includes optical communication Identification information of the device; after transmitting the request, the image acquisition device performs image acquisition on the optical communication device to be authenticated to obtain information; and the image collection device transmits the information to the first server The information can be used by the first server to determine the authenticity of the optical communication device to be authenticated.
  • the invention also provides an optical label anti-counterfeiting method based on active response, comprising the following steps,
  • Step 1 When collecting the optical label by the personal mobile device, reading the ID number of the optical label, and querying the network service address of the optical label corresponding to the ID number according to the ID number to the third-party organization server that provides the directory service;
  • Step 2 accessing the optical label network server of the optical label according to the received network service address, sending the ID number to the optical label network server, and submitting a request for authenticating the optical label;
  • Step 3 The optical label network server queries the location of the corresponding optical label according to the received ID number, and randomly generates a verification code r. At the same time, the transmission time t and the specified time increment ⁇ t are specified as the verification code life cycle to form a triplet ( r, t, ⁇ t); the optical tag network server simultaneously transmits the triplet (r, t, ⁇ t) to the personal mobile device and the optical tag;
  • Step 4 From the time ⁇ t after receiving the triplet (r, t, ⁇ t), the optical tag displays the verification code r in a frame or a continuous multiframe, r is a natural number; the personal mobile device is in the time interval [t ,t+ ⁇ t] The random number r' is read from the optical label; the personal mobile device compares the read random number r' with the received verification code r, and if the two are consistent, the optical label passes the legality verification, otherwise the optical label is determined to be The pseudo-cold label, after the authentication is completed, informs the optical label network server of the result, and the authentication is completed.
  • the ID is number information of the optical tag delivery information that can uniquely identify the optical tag.
  • the network service address is a url network link address.
  • the verification code r is a natural number greater than or equal to 6 bits.
  • step 4 when the optical tag displays the verification code r in the form of one frame of the optical tag, simultaneously adding a flag indicating that the frame can be marked as an authentication frame; the personal mobile device is within the time interval [t, t+ ⁇ t] Reading the tagged authentication frame from the optical tag yields the random number r'.
  • the respective personal mobile devices respectively send the ID number to the optical tag network server and A request for discriminating the optical label is provided;
  • the optical label network server queries the location of the corresponding optical label according to the received ID number, and randomly generates a plurality of verification codes r, and generates a plurality of triplets respectively to be sent to the different sending times.
  • the optical tags respectively display the verification code to form a slice display in the corresponding verification code life cycle from the corresponding transmission time; the plurality of personal mobile devices respectively read the transmission time and the life of the corresponding slice The random number displayed in the period is verified for legality.
  • FIG. 1A and 1B illustrate an optical label suitable for use in the anti-counterfeiting method of the present invention
  • FIG. 2 illustrates an optical tag anti-counterfeiting system in a single-user scenario, in accordance with one embodiment of the present invention
  • FIG. 3 illustrates an optical tag anti-counterfeiting system in a multi-user scenario in accordance with one embodiment of the present invention
  • Figure 4 shows a replay attack scenario
  • FIG. 5 illustrates an optical tag anti-counterfeiting process in accordance with one embodiment of the present invention
  • FIG. 6 illustrates an optical tag anti-counterfeiting process in accordance with another embodiment of the present invention.
  • Optical tags transmit information by emitting different lights, and the information conveyed by the optical tags can change over time.
  • 1A shows an optical tag suitable for the anti-counterfeiting method of the present invention, which includes a 9 ⁇ 9 array composed of light-emitting units, which array can be divided into a signal unit as a data bit, a dynamic blinking positioning mark 2
  • the static positioning identifier 3 and the blank bit 4 wherein the dynamic blinking positioning mark 2 is a larger square in the middle of the optical label (as a 3 ⁇ 3 array composed of light emitting units), and the static positioning mark 3 is located at a corner of the light label.
  • the three larger return boxes also a 3 x 3 array of light-emitting units
  • together with the three static position markers 3 form a set of position identifiers.
  • Each of the signal units 1 and each of the blank bits 4 may correspond to one light emitting unit.
  • one signal unit may correspond to a plurality of light emitting units, for example, one signal unit itself may be comprised of an array of light emitting units.
  • a blank bit may also correspond to a plurality of light emitting units.
  • a light source may be included in the light unit, which may use various light emitting techniques, such as the use of LED lights. The number of illumination sources in each illumination unit may be one or more according to different usage requirements.
  • the optical tag may further include a controller, and a battery or a power source or the like, wherein the controller is for controlling a light wave frequency and a blinking manner of the light source in the light emitting unit, and the battery or the power source supplies energy to the controller and the light source.
  • the controller can independently control each of the light emitting units, and can also perform unified control on some of the light emitting units. For example, the controller can uniformly control the light emitting unit of the dynamic blinking positioning mark 2, and the light emitting unit of the static positioning mark 3 or The part is uniformly controlled, and the lighting unit of the blank position 4 is uniformly controlled.
  • the dynamic flickering location indicator 2 can flash at a certain frequency, which can be a change in the properties of the light.
  • This attribute refers to what the optical imaging device can recognize in this application. Any of the attributes, such as the intensity of the light, the color, the wavelength, etc., can be perceived by the human eye, or other attributes that are not perceptible to the human eye, such as the intensity, color, or The wavelength changes, or any combination of the above attributes.
  • a change in the properties of light can be a single property change, or a combination of two or more properties can change. When the intensity of the light is selected as an attribute, the light source can be simply turned on or off.
  • FIG. 1B shows the optical label when the attribute of the light emitted by the dynamic blinking position indicator 2 changes.
  • the definition of the above attributes applies equally to the static positioning identifier 3, the blank bit 4, and the attribute of the light emitted by the signal unit 1.
  • the dynamic blinking positioning mark 2, the static positioning mark 3, the blank bit 4, and the signal unit 1 can work with different attributes.
  • the dynamic blinking positioning mark 2 can realize the flickering effect by using different color conversions.
  • Signal unit 1 can use different light intensities to represent different information.
  • the multi-frame image can be continuously acquired by the optical imaging device, and the dynamic flickering positioning mark 2 can be quickly and accurately recognized and the position determined by performing image difference on the acquired multi-frame image. .
  • the exact location of the static location indicator 3 can be further identified in its vicinity.
  • the static positioning indicator 3 presents a fixed optical mode during operation.
  • the static positioning marker 3 in one embodiment is presented as a return box, and pixels of different attributes in the horizontal and vertical directions at its horizontal centerline and vertical centerline (black and white black pixels in this embodiment) The ratio can be set to 1:1:1.
  • four blank bits composed of white pixels may be provided in the optical tag as shown in FIG. 1A, which ensure whether the horizontal or vertical direction is used. Scanning, static positioning marker 3 black and white black pixel ratio obeys 1:1:1.
  • the positions of the respective signal units 1 in the optical label can be determined by means of the positions of the dynamic blinking positioning indicator 2 and the static positioning indicator 3 for data identification or Read.
  • the signal unit 1 is a small square light-emitting unit other than the dynamic blinking positioning mark 2, the static positioning mark 3, and the blank bit 4 in the optical tag, or may be a part of these light-emitting units.
  • the imaging of the optical label may have a certain degree of distortion or deformation. These distortions or distortions can be considered in the identification process of the optical tag based on the perspective principle in optical imaging.
  • each signal unit 1 may have a specific property, which, as described above, may be any property that the optical imaging device can perceive, including attributes that are not perceptible to the human eye.
  • "0" or "1" of binary digital information can be represented by controlling the turning on and off of the lighting unit corresponding to each signal unit 1, so that all signal units 1 in one frame of the optical label Can be used to represent a sequence of binary digital information.
  • each signal unit 1 can be used not only to represent a binary number, but also to represent data in ternary or larger hexadecimal.
  • the intensity of light emitted by the light emitting unit can be set to be selectable from three or more levels, or by setting the color of light emitted by the light emitting unit to be selectable from three or more colors
  • the selection is made such that each signal unit 1 represents ternary or larger data by using a combination of intensity and color, and other means deemed feasible by those skilled in the art.
  • the signal unit 1 in the optical tag can change the attribute of the light emitted by the signal unit 1 in the optical tag at a certain frequency (which may be the same as the blinking frequency of the dynamic flickering positioning mark 2), therefore, the light Tags can represent different data information at different times, for example, different sequences of binary digital information.
  • each frame of image can be used to represent a sequence of information.
  • the optical label is schematically set as a 9 ⁇ 9 array composed of light emitting units
  • the dynamic blinking positioning mark 2 therein is set as a larger square in the middle of the light label (3 ⁇ 3 composed of the light emitting unit) Array)
  • the static positioning identifier 3 therein to three larger singular boxes of the corners of the optical label (again, a 3 ⁇ 3 array of light-emitting units)
  • the shape, size, and the like of the optical tag, the size, shape, position, number, and the like of the dynamic flickering positioning mark 2 and the static positioning mark 3 are not limited to the above embodiments, but may be changed according to actual needs.
  • the optical label may not be a 9 ⁇ 9 array, and may not even be a square; the dynamic blinking positioning identifier 2 may not only have one, may not be located in the middle of the optical label, may not be a 3 ⁇ 3 array, or may not be a square; static The location identifiers 3 may not be three, may not be located at the corners of the optical tags, may not be 3 ⁇ 3 arrays, or may not be squares. In one embodiment, blank bits can be omitted in the optical tag.
  • Optical tags can be imaged using optical imaging devices or image acquisition devices that are common in the art.
  • the optical imaging device or image acquisition device may include an image acquisition component, a processor, a memory, and the like.
  • the optical imaging device or image acquisition device may be, for example, a smart mobile terminal having a photographing function, including a mobile phone, a tablet, smart glasses, etc., which may include an image capture device and an image processing module.
  • the user visually finds the optical tag within a range of distance from the optical tag, and scans the optical tag by performing the information capture and interpretation process by causing the imaging sensor of the mobile terminal to face the optical tag.
  • the video acquisition frequency of the mobile terminal can be set to be greater than or equal to twice the blinking frequency of the optical tag.
  • the process of identifying and decoding is finally completed.
  • the serial number, the check digit, the time stamp, and the like may be included in the information transmitted by the optical tag.
  • a start frame or an end frame may be given in a plurality of image frames as needed, or both, for indicating a start or end position of a complete period of the plurality of image frames, the start frame or the end frame may be It is set to display a particular combination of data, for example: all 0s or all 1s, or any special combination that will not be the same as the information that may actually be displayed.
  • the system includes an optical tag 23, a server 5, and a server 6.
  • the server 5 is capable of communicating with the optical tag 23, which is the data or service provider of the optical tag 23, and is therefore also referred to hereinafter as the optical tag network server 5.
  • Server 6 can be any trusted server, such as a server that can be a trusted authority, and is therefore also referred to hereinafter as third party agency server 6.
  • the third party server 6 stores a network address (e.g., domain name information) of an optical tag network server (e.g., optical tag network server 5) corresponding to an optical tag (e.g., optical tag 23) registered at the server.
  • User 21 can interact with the anti-counterfeiting system using its image capture device 22, such as a cell phone.
  • Image acquisition device 22 typically has a communication function.
  • the user 21 may already know the network address L of the optical label network server 5 or may obtain the network address L by other means, for example, the network address L is well known to the user. Or the network address L is pre-stored in an application (APP) for optical tag information collection by the image acquisition device 22.
  • APP application
  • the user can access the optical tag network server 5 directly through the network address L without obtaining the network address L through the third-party organization server 6.
  • optical tag anti-counterfeiting flow for a single user in accordance with one embodiment of the present invention is illustrated in FIG. 5 and is described in detail below.
  • the user 21 may have doubts about the authenticity of the optical tag 23.
  • the user 21 may be concerned that the optical tag 23 is a fake optical tag.
  • the user 21 can obtain identification information (e.g., ID number) from the optical tag 23 through the image capture device 22, the identification information referring to any information that can be used to identify the optical tag (step 501).
  • the identification information may be information presented by the optical tag 23 or may be part of the information presented by the optical tag 23.
  • the light tag 23 can present the above information by one display, or can also present the above information by multiple displays. In the case of multiple displays, the user 21 can continuously acquire the multi-frame image of the optical tag 23 through the image acquisition device 22, and obtain corresponding information based on the multi-frame image.
  • the user 21 can query the third-party organization server 6 through the image collection device 22 for the network of the optical tag network server (in this embodiment, the optical tag network server 5) corresponding to the identification information. Address (step 502).
  • the third-party server 6 can query and provide the network address L of the optical tag network server 5 to the image collection device 22 of the user 21 (step 503), for example, the url network link address .
  • the user 21 may already know the network address L of the optical tag network server 5 or may be obtained by other means, for example, the network address L is familiar to the user, or the network address. L is pre-stored in an application (APP) for optical tag information collection by the image acquisition device 22. In this case, the user can access the optical tag network server 5 directly through the network address L without performing the steps described above.
  • APP application
  • the user 21 accesses the optical tag network server 5 through the network address L using the image capturing device 22, and presents a request for discriminating the optical tag 23 to the optical tag network server 5 (step 504).
  • the user 21 can provide the identification information obtained from the optical tag 23 to the optical tag network server 5 through the image acquisition device 22, and the identification information can be included in the request.
  • the optical tag network server 5 After receiving the request for authenticating the optical tag 23, the optical tag network server 5 queries the optical tag corresponding to the identifier information to generate a verification code r (for example, in a random or pseudo-random manner), and refers to The transmission time t and the time increment ⁇ t are determined (step 505), thereby constituting a triple (r, t, ⁇ t).
  • the transmission time t is the time at which the optical tag network server 5 transmits the triplet, which is also the start time of the validity period of the verification code r.
  • the time increment ⁇ t is used to determine the end time (t+ ⁇ t) of the validity period of the verification code r together with the transmission time t. Therefore, the time interval [t, t + ⁇ t] can be used as the validity period of the verification code r, in which the verification code r is valid.
  • the optical tag network server 5 transmits the triplet (r, t, ⁇ t) to the image acquisition device 22 and the optical tag corresponding to the identification information (step 506).
  • the optical tag network server 5 simultaneously transmits the triplet (r, t, ⁇ t) to the image acquisition device 22 and the optical tag corresponding to the identification information.
  • the optical label corresponding to the identification information may be the optical label 23 (for example, the optical label 23 is a real optical label) or may not be the optical label 23 (for example, the optical label 23 is a fake optical label). , which spoofs the identification information of the real light label).
  • the optical tag corresponding to the identification information After receiving the triplet (r, t, ⁇ t), the optical tag corresponding to the identification information presents the verification code r on the optical tag (step 507).
  • the optical tag corresponding to the identification information presents the verification code r immediately after receiving the triplet (r, t, ⁇ t).
  • the optical tag can present the verification code r at any time in the time interval [t, t + ⁇ t].
  • the optical tag can present the verification code r by one display, or can also present the verification code r by multiple displays. In the case of multiple displays, the user 21 may continuously collect multiple frames of the optical tag through the image capturing device 22 (which may include a serial number, a time stamp, etc., to avoid duplication, omission, etc.
  • the optical tag can construct the tag V in any one of the identification manners to identify that the verification code r is currently displayed instead of other data.
  • the optical tag may only present the verification code r once (as described above, each presentation of the verification code r may involve multiple displays of the optical tag), or may be in a continuous manner within the time interval [t, t + ⁇ t] or The verification code r is presented multiple times in an interval manner.
  • the image acquisition device 22 After receiving the triplet (r, t, ⁇ t), the image acquisition device 22 stores the verification code r and performs image acquisition on the optical tag 23 in the time interval [t, t + ⁇ t]. In each frame image of the acquired optical tag 23, one or more frames marked with a mark V are selected, and verification information r' is extracted from the one or more frames (step 508).
  • the optical tag 23 can be considered at this time.
  • the triplet (r, t, ⁇ t) is not received from the optical label network server 5 (that is, the optical label corresponding to the identification information is not the optical label 23), and therefore, it can be determined that the optical label 23 is illegal or False.
  • the image collecting device 22 can compare the verification code r received from the optical tag network server 5 with the verification information r' obtained from the optical tag 23 (step 509), if the two match
  • the optical tag 23 is considered to be authentic or legal (step 510), otherwise the optical tag 23 is considered to be spoofed or illegal (step 511).
  • matching the two means that they are the same. In other embodiments, the two match each other and do not require the two to be identical, as long as there is some predetermined relationship or association between the two.
  • the image acquisition device 22 can prompt the user 21 for the verification timeout, and the user 21 can choose to re-initiate the identification of the optical tag 23.
  • the image collecting device 22 can transmit the authentication result to the optical tag network server 5 or the third-party organization server 6 after authenticating the optical tag 23.
  • the transmission time t may not be the time at which the optical tag network server 5 transmits the triplet. Instead, it may be replaced by the time t' at which the specified optical tag presents the verification code r or the verification code can be presented.
  • the optical tag may present the verification code r at the time t' after receiving the verification code r and the time t' or present the verification code r at any time within the time interval [t', t' + ⁇ t].
  • the optical label network server 5 may not specify the transmission time t and the time increment ⁇ t, but directly specify the termination time of the validity period of the verification code r, and transmit the verification code r and the termination time to the image acquisition device. 22 and an optical label corresponding to the identification information.
  • the optical tag corresponding to the identification information may present the verification code r immediately after receiving the verification code r and the termination time, or may present the verification code r at any time before the termination time.
  • the image acquisition device 22 can continuously perform image acquisition on the optical tag 23 before the termination time.
  • the optical tag network server 5 may not even specify the termination time of the validity period of the verification code r, but only the verification code r to the image acquisition device 22 and the optical tag corresponding to the identification information.
  • the time when the image collection device 22 and the optical tag corresponding to the identification information receive the verification code r does not differ too long, and the optical tag corresponding to the identification information may be verified after receiving the verification code r.
  • One and multiple presentations of r or may wait a little after receiving the verification code r (considering that the image acquisition device 22 receives the verification code r
  • One or more presentations of the verification code r may be performed in a later time.
  • the image capture device 22 may perform continuous image acquisition of the optical tag 23 for a period of time after receiving the verification code r.
  • Figure 3 illustrates an optical tag anti-counterfeiting system in a multi-user scenario, three of which are schematically illustrated in Figure 3, in accordance with one embodiment of the present invention.
  • the system includes an optical tag 37, an optical tag network server 5, and a third party server 6.
  • the anti-counterfeiting system in FIG. 3 is the same as or similar to that in FIG. 2, but the application scenarios are different, and therefore will not be described herein.
  • the third party server 6 is not necessary.
  • User 31, user 33, and user 35 can interact with the anti-counterfeiting system using their respective image capture device 32, image capture device 34, and image capture device 36, respectively.
  • the above may be performed separately for each user at different times.
  • the anti-counterfeiting method described for a single user for example, the user 31, the user 33, and the user 35 request the identification of the optical tag 37 at different times.
  • the flow of the active response anti-counterfeiting method according to an embodiment of the present invention is as follows (illustrated by taking three users simultaneously for identification) .
  • the user 31, the user 33, and the user 35 collect the information of the optical tag 37 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, the user 31, the user 33, and the user 35 all generate authenticity of the optical tag 37. Suspicion.
  • the user 31, the user 33, and the user 35 can obtain identification information (for example, an ID number) from the optical tag 37 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, respectively, and the identification information is Any information that can be used to identify a light label.
  • the user 31, the user 33, and the user 35 can query the third-party organization server 6 for the optical label corresponding to the identification information through the image collection device 32, the image collection device 34, and the image collection device 36, respectively.
  • the network address of the network server (in this embodiment, the optical tag network server 5).
  • the third-party server 6 can query and provide the network address of the optical label network server 5 to the image collection device 32, the image collection device 34, and the image collection device 36, respectively.
  • L the network address L can be, for example, a url network link address.
  • User 31, user 33, and user 35 respectively use image acquisition device 32 and image acquisition device 34.
  • the image capture device 36 accesses the optical tag network server 5 via the network address L and presents a request for the optical tag network 37 to the optical tag network server 5.
  • the user 31, the user 33, and the user 35 can provide the identification information obtained from the optical tag 37 to the optical tag network server 5 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, respectively.
  • the optical tag network server 5 After receiving the request from the user 31, the user 33, and the user 35 for identifying the optical tag 23, the optical tag network server 5 queries the optical tag corresponding to the identification information to generate three corresponding verification codes r 1 and r 2 .
  • r 3 (for example in a random or pseudo-random manner) and specifying the transmission times t 1 , t 2 , t 3 and the time increments ⁇ t 1 , ⁇ t 2 associated with the respective verification codes r 1 , r 2 , r 3 , ⁇ t 3 , thereby constituting three triads (r 1 , t 1 , ⁇ t 1 ), (r 2 , t 2 , ⁇ t 2 ), (r 3 , t 3 , ⁇ t 3 ).
  • the transmission times t 1 , t 2 , t 3 and the time increments ⁇ t 1 , ⁇ t 2 , ⁇ t 3 and the above-described transmission time t have the same meaning as the time increment ⁇ t, and therefore will not be described again.
  • the transmission times t 1 , t 2 , and t 3 are three different transmission times, and the time increments ⁇ t 1 , ⁇ t 2 , and ⁇ t 3 may be the same or different, but three time intervals [t 1 , t 1 are required. + ⁇ t 1 ], [t 2 , t 2 + ⁇ t 2 ], [t 3 , t 3 + ⁇ t 3 ] do not overlap each other.
  • the optical label network server 5 sends the triplet (r 1 , t 1 , ⁇ t 1 ) to the image acquisition device 32, and transmits the triplet (r 2 , t 2 , ⁇ t 2 ) to the image acquisition device 34, and the ternary The group (r 3 , t 3 , ⁇ t 3 ) is sent to the image acquisition device 36.
  • the optical tag network server 5 transmits three triplets (r 1 , t 1 , ⁇ t 1 ), (r 2 , t 2 , ⁇ t 2 ), (r 3 , t 3 , ⁇ t 3 ) to the device.
  • the optical label corresponding to the identification information.
  • the optical tag corresponding to the identification information after receiving three triplets (r 1 , t 1 , ⁇ t 1 ), (r 2 , t 2 , ⁇ t 2 ), (r 3 , t 3 , ⁇ t 3 ) , in which the verification codes r 1 , r 2 , r 3 are in the time interval [t 1 , t 1 + ⁇ t 1 ], [t 2 , t 2 + ⁇ t 2 ], [t 3 , t 3 + ⁇ t 3 ] Presented separately.
  • the image acquisition device 32, the image acquisition device 34, and the image acquisition device 36 After receiving the respective triplets, the image acquisition device 32, the image acquisition device 34, and the image acquisition device 36 store the corresponding verification codes, and can respectively be in the time interval [t 1 , t 1 + ⁇ t 1 ], [t 2 Image acquisition of the optical tag 37 is performed within t 2 + ⁇ t 2 ], [t 3 , t 3 + ⁇ t 3 ].
  • the image capturing device 32, the image capturing device 34, and the image capturing device 36 select one or more frames labeled with the mark V in each frame image of the collected optical tag 37, and extract from the one or more frames respectively. Verification information r 1 ', r 2 ', r 3 '.
  • each image capturing device may also perform image capturing on the optical tag 37 during a time period other than its corresponding time interval to obtain other information that the optical tag 37 presents during the time period. If the image capture device has acquired the image frame of the optical tag 37 containing the mark V during the time period (the image frame containing the mark V is for other image capture devices), it may simply be discarded.
  • the user 33, and the user 35 fails to pass the image capture device If the verification information is obtained in the corresponding time interval (for example, the image frame containing the mark V is not found), then the user can think that the optical tag 37 has not received the triplet from the optical tag network server 5 (ie, The optical label corresponding to the identification information is not the optical label 37). Therefore, it can be determined that the optical label 37 is illegal or fake.
  • the verification code received from the optical tag network server 5 and the obtained from the optical tag 37 can be compared.
  • Verification information ie, image acquisition device 32 compares r 1 and r 1 ', image acquisition device 34 compares r 2 and r 2 ', image acquisition device 36 compares r 3 and r 3 '
  • the tag 37 is legal, otherwise the optical tag 37 is considered illegal or counterfeit.
  • the user 31, the user 33, and the user 35 respectively perform their authentication operations, and under normal circumstances, they will obtain a consistent authentication result.
  • the image collection device may prompt the user for the verification timeout, and the user may choose to re-initiate the identification of the optical label.
  • Each image collecting device may transmit the authentication result to the optical tag network server 5 or the third-party organization server 6 after authenticating the optical tag 37.
  • the transmission times t 1 , t 2 , t 3 may not be the time at which the optical tag network server 5 transmits the respective triplets, instead, it may be replaced by specifying the optical tags corresponding to the identification information in it.
  • the optical tag network server 5 may not specify the transmission times t 1 , t 2 , t 3 and the time increments ⁇ t 1 , ⁇ t 2 , ⁇ t 3 , but directly specify the termination time of the validity period of each verification code ( These termination times are different).
  • the optical label network server 5 may first transmit the earliest termination time and the corresponding verification code to the optical label corresponding to the identification information and the corresponding image collection device. And after the earliest termination time arrives, the second early termination time and the corresponding verification code are sent to the optical tag corresponding to the identification information and the corresponding another image collection device, and so on.
  • the optical tag corresponding to the identification information may present the verification code immediately after receiving any verification code and its termination time, and may also present the verification code at any time before the termination time.
  • Each image acquisition device can continuously perform image acquisition on the optical tag 37 before the termination time it receives.
  • the above-mentioned active response anti-counterfeiting process for two or more users at the same time can defend against replay attacks by malicious users.
  • a replay attack according to one embodiment is shown in FIG. 4, wherein the first legitimate user 41 holds the image capture device 42, and the malicious user 45 holds the image capture device 46, The second legitimate user 47 holds the image capture device 48.
  • the malicious user 45 initiates an active response anti-counterfeiting process to the legal optical tag 43 by using the image collecting device 46, and forwards the received verification code to the illegal optical tag 44 for playback, in an attempt to spoof the second legitimate user 47. Since each user receives a different verification code in the active response anti-counterfeiting process, and forwards, replays, etc. the received verification code, the validity period of the verification code is exceeded, so the malicious user 45 cannot spoof the second legitimate user. 47.
  • the mall M publishes the information of the merchandise through the optical label L.
  • the customer G wants to purchase the product through the optical label L, but has doubts about the authenticity of the optical label L.
  • the customer G finds the web address Http://www.abc.com of the optical label web server 5 corresponding to the optical label L via the trusted server 6 via the mobile phone H.
  • the customer G performs image collection on the optical tag L by the mobile phone H and extracts ID information therefrom, and transmits an authentication request for the ID information to the optical tag network server 5 of the above-mentioned website.
  • the optical label network server 5 After receiving the authentication request, the optical label network server 5 generates a triplet (562587, t, 3) and sends it to the optical label L and the mobile phone H at the same time, wherein 562587 is a verification code, t is a transmission time, and 3 represents three. second.
  • the optical tag L After receiving the triplet, the optical tag L issues an optical signal including the verification code 562587 within 3 seconds from the transmission time t.
  • the customer G stores the verification code 562587 and receives the optical signal of the optical tag L, and then parses it, and compares the obtained verification information with the stored verification code 562587. If it is found that the two do not match, it is determined that the optical label L is a pseudo-emerging label.
  • the mall M publishes the information of the merchandise through the optical label L.
  • Customer A, Customer B, and Customer C want to purchase the product through the optical label L, but Customer A, Customer B, and Customer C have doubts about the authenticity of the optical label L, and they each via the mobile phone P Customer A , P Customer B , P Customer C finds the URL Http://www.abc.com of the optical label web server 5 corresponding to the optical label L through the trusted server 6.
  • Customer A, customer B, and customer C perform image collection on the optical tag L through P customer A , P customer B , and P customer C , respectively, and extract ID information therefrom, and transmit the ID information to the optical tag network server 5 of the above-mentioned website.
  • Authentication request The optical label network server 5 generates three triples after receiving three authentication requests:
  • the optical label L is in three time intervals 14:20:35.345 to 14:20:35.645, 14:20:36.345 to 14:20:36.645, 14:20:37.345 to 14:20. :37.645, which successively emits optical signals including verification codes 562587, 462782, and 882584.
  • P customer A , P customer B , and P customer C respectively store the verification code after receiving the respective triplet, and receive the optical signal of the optical tag L in the corresponding time interval, and then parse the obtained verification information. Compare with the stored verification code. If it is found that the two do not match, it is determined that the optical label L is a pseudo-emerging label.
  • Figure 6 illustrates an optical tag anti-counterfeiting process in accordance with another embodiment of the present invention.
  • the verification operation is performed by the optical label network server 5 in the flow shown in FIG. 6, and the image collection device 22 is only used to forward the verification information, and the verification operation is no longer performed.
  • the steps 601, 602, 603, 604, and 605 in FIG. 6 are similar to the steps 501, 502, 503, 504, and 505 in FIG. 5, and details are not described herein again.
  • the optical tag network server 5 transmits the triplet (r, t, ⁇ t) to the optical tag corresponding to the identification information (step 606).
  • the optical label network server 5 no longer transmits the triplet (r, t, ⁇ t) to the image acquisition device 22, or alternatively, the optical label network server 5 may only send (t, ⁇ t) to the image acquisition device 22.
  • r is the verification code.
  • t is the transmission time, which is the time at which the optical tag network server 5 transmits the triplet, and is also the starting time of the validity period of the verification code r.
  • ⁇ t is a time increment for determining the end time (t + ⁇ t) of the validity period of the verification code r together with the transmission time t. Therefore, the time interval [t, t + ⁇ t] can be used as the validity period of the verification code r, in which the verification code r is valid.
  • the optical tag corresponding to the identification information After receiving the triplet (r, t, ⁇ t), the optical tag corresponding to the identification information presents the verification code r thereon (step 607).
  • the optical tag corresponding to the identification information presents the verification code r immediately after receiving the triplet (r, t, ⁇ t).
  • the optical tag corresponding to the identification information may present the verification code r at any time in the time interval [t, t + ⁇ t].
  • the optical tag corresponding to the identification information may present the verification code r by one display, or may also present the verification code r by multiple display.
  • the user 21 may continuously collect multiple frames of the optical tag 23 through the image capturing device 22 (which may include a serial number, a time stamp, etc., to avoid duplication, omission, etc. of the image frame), and based on The multi-frame image is used to obtain corresponding verification information.
  • the optical label corresponding to the identification information may be constructed with the marking V in any one of the identification manners to identify that the verification code r is currently displayed instead of other data.
  • the optical tag corresponding to the identification information may only present the verification code r once (as described above, each presentation of the verification code r may involve multiple displays of the optical tag corresponding to the identification information), or may be in the time interval [t, The verification code r is presented multiple times in a continuous manner or in an interval within t+ ⁇ t].
  • the optical tag 23 may continue to be image acquired by the image capture device 22 (e.g., at least continuously for a particular period of time).
  • the image pickup device 22 transmits (t, ⁇ t) to the image pickup device 22, the image pickup device 22, after receiving (t, ⁇ t), is within the time interval [t, t + ⁇ t]
  • the optical tag 23 performs image acquisition. In each frame image of the acquired optical tag 23, one or more frames marked with a tag V are selected, and verification information r' is extracted from the one or more frames (step 608).
  • the optical tag network server 5 receives the authentication information r' from the user's image capturing device 22 (step 609). If the optical tag network server 5 fails to receive the verification information r' from the image acquisition device 22, for example, the image acquisition device 22 informs that the verification information r' has not been obtained from the optical tag 23 within the time interval [t, t + ⁇ t] (eg If the image frame containing the mark V is not found, the optical tag network server 5 can think that the optical tag 23 does not receive the triplet (r, t, ⁇ t) from the optical tag network server 5, and therefore, the optical tag can be judged. 23 is illegal or fake.
  • the optical label network server 5 can compare the verification information r' with the verification code r (step 610), and if the two match, the optical label 23 is considered to be authentic or legal (step 611), otherwise the optical label 23 is considered to be fake. Or illegal (step 612).
  • matching the two means that they are the same. In other embodiments, the two match each other and do not require the two to be identical, as long as there is some predetermined relationship or association between the two.
  • the optical label network server 5 can transmit the authentication result to the user after authenticating the optical tag 23.
  • the transmission time t may not be the time at which the optical tag network server 5 transmits the triplet. Instead, it may be replaced by the time t' at which the optical tag corresponding to the identification information is presented with the verification code r. Or can present the starting time t' of the verification code r.
  • the optical tag may present the verification code r at the time t' after receiving the verification code r and the time t' or present the verification code r at any time within the time interval [t', t' + ⁇ t].
  • the optical label network server 5 may not specify the transmission time t and time.
  • the increment ⁇ t but directly specifies the end time of the validity period of the verification code r, and transmits the verification code r and the termination time to the optical tag corresponding to the identification information.
  • the optical tag corresponding to the identification information may present the verification code r immediately after receiving the verification code r and the termination time, or may present the verification code r at any time before the termination time.
  • the termination time can also be sent to the image acquisition device 22 so that the image acquisition device 22 can continuously perform image acquisition on the optical tag 23 prior to the termination time.
  • the optical tag network server 5 may not even specify the end time of the validity period of the verification code r, but only the verification code r to the optical tag corresponding to the identification information.
  • the optical tag corresponding to the identification information may perform one and multiple presentations of the verification code r after receiving the verification code r.
  • the image capture device 22 may perform continuous image acquisition of the optical tag 23 for at least a predetermined period of time after the request to the optical tag network server 5 to authenticate the optical tag 23 (step 604).
  • the optical label network server 5 after the optical label network server 5 performs one verification of the optical label 23, if the optical label network server 5 receives another request for authenticating the optical label 23 within a predetermined period of time, then The optical label network server 5 can directly adopt the result of the previous verification (that is, it is not necessary to repeatedly verify the same optical label in a short time), and can directly send the corresponding verification result to the user who made the authentication request.
  • the predetermined time period can be set differently according to actual conditions, security requirements, and the like.
  • the anti-counterfeiting method of the present invention can be applied not only to the optical tag shown in FIG. 1A, but also to other optical tags (or light sources) that can be used to transmit information, as long as the information transmitted by the optical tag can be changed over time.
  • the anti-counterfeiting method of the present invention can be applied to a light source that transmits information through different stripes based on a rolling shutter effect of CMOS (for example, the device described in Chinese Patent Publication No. CN104168060A).
  • the anti-counterfeiting method of the present invention can also be applied to an array of optical tags (or light sources) as long as the information transmitted by the array can be changed over time.
  • the verification code displayed by the optical label in the anti-counterfeiting method of the present invention may be completely presented in one display of the optical label (that is, may be included in one frame image of the optical label collected by the image acquisition device), or It appears in multiple displays of optical tags.
  • the amount of information that is passed in each display may not be sufficient to cover the entire verification code, in which case the verification code may be presented in multiple displays (also That is, through The light label is displayed multiple times in succession to pass the verification code).
  • the user can continuously collect the multi-frame image of the optical tag through the image capturing device, and obtain corresponding verification information based on the multi-frame image.
  • the corresponding identification bit may be included in the multi-frame image, or some frames may be selected as the identification frame.

Abstract

Provided are an active-response-based anti-counterfeiting method and system for an optical communication device. The anti-counterfeiting method comprises: a first server receiving an authentication request for an optical communication device to be authenticated from an image capturing apparatus of a user, the authentication request comprising identification information of the optical communication device; the first server determining the optical communication device corresponding to the identification information; the first server generating a verification code in response to the authentication request; and the first server transmitting the verification code to the image capturing apparatus and the optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code, such that the user can verify the authenticity of the optical communication device to be authenticated on the basis of the information obtained when using the image capturing apparatus to capture an image of the optical communication device to be authenticated and the verification code received by the image capturing device.

Description

基于主动应答的光通信装置防伪方法及系统Anti-counterfeiting method and system for optical communication device based on active response 技术领域Technical field
本发明属于光信息技术领域,更具体地涉及一种基于主动应答的光通信装置防伪方法及系统。光通信装置能够通过发出不同的光来传输不同的信息,其在本文中也可被称为“光标签”,两者在整个本申请中可以互换使用。The invention belongs to the field of optical information technology, and more particularly to an anti-counterfeiting method and system for an optical communication device based on an active response. Optical communication devices are capable of transmitting different information by emitting different light, which may also be referred to herein as "optical tags," which are used interchangeably throughout this application.
背景技术Background technique
光标签通过发出不同的光来传递信息,其具有远距、可见光条件要求宽松、指向性强、可定位的优势,并且光标签所传递的信息可以随时间迅速变化,从而可以提供大的信息容量。因此,相比于传统的二维码,光标签具有更强的信息交互能力,从而可以为用户和商家提供巨大的便利性。由于光标签的注册开放性,任何人都可以通过购买或申请光标签发布个人服务或信息,这就造成了不法分子伪造光标签的可能。为了防止光标签的非法伪造,就需要提供光标签的防伪方法。Optical tags transmit information by emitting different lights, which have the advantages of long distance, visible light conditions, strong directivity, and positionability, and the information transmitted by the optical tags can change rapidly with time, thereby providing a large information capacity. . Therefore, compared with the traditional two-dimensional code, the optical tag has stronger information interaction capability, which can provide great convenience for users and businesses. Due to the openness of the registration of optical labels, anyone can purchase personal services or information by purchasing or applying for optical labels, which creates the possibility of criminals falsifying optical labels. In order to prevent illegal forgery of optical tags, it is necessary to provide an anti-counterfeiting method for optical tags.
发明内容Summary of the invention
针对现有技术中存在的问题,本发明提供一种光标签防伪方法及系统,其过程简单合理,使用方便,防伪性能好。In view of the problems existing in the prior art, the present invention provides an optical tag anti-counterfeiting method and system, which is simple and reasonable in process, convenient in use, and good in anti-counterfeiting performance.
本发明的一个方面涉及一种用于光通信装置的防伪方法,包括:第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;第一服务器确定与所述标识信息对应的光通信装置;第一服务器响应于所述鉴别请求生成验证码;以及第一服务器将所述验证码发送到所述图像采集设备以及与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码,以使得所述用户能够基于通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集时获得的信息与所述图像采集设备接收的所述 验证码来判断所述待鉴别的光通信装置的真伪。An aspect of the invention relates to an anti-counterfeiting method for an optical communication device, comprising: a first server receiving an authentication request for an optical communication device to be authenticated from an image collection device of a user, wherein the authentication request includes an optical communication device Identifying information; the first server determines an optical communication device corresponding to the identification information; the first server generates a verification code in response to the authentication request; and the first server transmits the verification code to the image collection device and Determining an optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code, so that the user can perform the optical communication device to be authenticated by using the image collection device Information obtained during image acquisition and said image received by said image acquisition device The verification code is used to judge the authenticity of the optical communication device to be authenticated.
本发明的另一个方面涉及一种服务器,其被配置为用于执行上述防伪方法。Another aspect of the invention relates to a server configured to perform the anti-counterfeiting method described above.
本发明的另一个方面涉及一种用于光通信装置的防伪系统,包括:第一服务器,其被配置为:从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;确定与所述标识信息对应的光通信装置;响应于所述鉴别请求生成验证码;以及将所述验证码发送到所述图像采集设备以及与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码,以使得所述用户能够基于通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集时获得的信息与所述图像采集设备接收的所述验证码来判断所述待鉴别的光通信装置的真伪。Another aspect of the invention relates to an anti-counterfeiting system for an optical communication device, comprising: a first server configured to: receive an authentication request for an optical communication device to be authenticated from an image acquisition device of a user, the authentication Determining, in the request, identification information of the optical communication device; determining an optical communication device corresponding to the identification information; generating a verification code in response to the authentication request; and transmitting the verification code to the image collection device and the identifier Corresponding optical communication device, and indicating that the optical communication device corresponding to the identification information presents the verification code, so that the user can perform image collection on the optical communication device to be authenticated by using the image collection device The information obtained at the time and the verification code received by the image collection device determine the authenticity of the optical communication device to be authenticated.
本发明的另一个方面涉及一种用于光通信装置的防伪方法,包括:从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;通过所述图像采集设备从所述第一服务器接收验证码,其中,所述验证码也被所述第一服务器发送给了与所述标识信息对应的光通信装置以供该光通信装置呈现;以及所述图像采集设备基于对所述待鉴别的光通信装置进行图像采集时获得的信息与从所述第一服务器接收的验证码来判断所述待鉴别的光通信装置的真伪。Another aspect of the present invention relates to an anti-counterfeiting method for an optical communication device, comprising: transmitting, from an image collection device of a user, an authentication request for an optical communication device to be authenticated to a first server, wherein the authentication request includes optical communication Identification information of the device; receiving, by the image collection device, a verification code from the first server, wherein the verification code is also sent by the first server to an optical communication device corresponding to the identification information for the Presenting the optical communication device; and the image acquisition device determines the optical communication device to be authenticated based on information obtained when image acquisition is performed on the optical communication device to be authenticated and a verification code received from the first server True or false.
本发明的另一个方面涉及一种图像采集设备,其包括图像采集元件、处理器和存储器,所述存储器中存储有计算机程序,所述计算机程序在被所述处理器执行时能够用于实现上述防伪方法。Another aspect of the invention relates to an image acquisition device comprising an image acquisition component, a processor and a memory, wherein the memory stores a computer program that, when executed by the processor, can be used to implement the above Anti-counterfeiting method.
本发明的另一个方面涉及一种用于光通信装置的防伪方法,包括:第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;第一服务器确定与所述标识信息对应的光通信装置;第一服务器响应于所述鉴别请求生成验证码;第一服务器将所述验证码发送到与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码;第一服务器从用户的图像采集设备接收对所述待鉴别的光通信装置进行图像采集时获 得的信息;以及第一服务器将所述信息与所述验证码进行比较以判断所述待鉴别的光通信装置的真伪。Another aspect of the invention relates to an anti-counterfeiting method for an optical communication device, comprising: a first server receiving an authentication request for an optical communication device to be authenticated from an image collection device of a user, wherein the authentication request includes an optical communication device Identification information; the first server determines an optical communication device corresponding to the identification information; the first server generates a verification code in response to the authentication request; the first server transmits the verification code to the light corresponding to the identification information a communication device, and instructing the optical communication device corresponding to the identification information to present the verification code; the first server receives the image acquisition of the optical communication device to be authenticated from the image collection device of the user And the first server compares the information with the verification code to determine the authenticity of the optical communication device to be authenticated.
本发明的另一个方面涉及一种服务器,其被配置为用于执行上述防伪方法。Another aspect of the invention relates to a server configured to perform the anti-counterfeiting method described above.
本发明的另一个方面涉及一种用于光通信装置的防伪系统,包括:第一服务器,其被配置为:从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;确定与所述标识信息对应的光通信装置;响应于所述鉴别请求生成验证码;将所述验证码发送到与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码;从用户的图像采集设备接收对所述待鉴别的光通信装置进行图像采集时获得的信息;以及将所述信息与所述验证码进行比较以判断所述待鉴别的光通信装置的真伪。Another aspect of the invention relates to an anti-counterfeiting system for an optical communication device, comprising: a first server configured to: receive an authentication request for an optical communication device to be authenticated from an image acquisition device of a user, the authentication Determining, in the request, identification information of the optical communication device; determining an optical communication device corresponding to the identification information; generating a verification code in response to the authentication request; and transmitting the verification code to the optical communication device corresponding to the identification information, And indicating that the optical communication device corresponding to the identification information presents the verification code; receiving, from the image collection device of the user, information obtained when performing image collection on the optical communication device to be authenticated; and the information and the The verification code is compared to determine the authenticity of the optical communication device to be authenticated.
本发明的另一个方面涉及一种用于光通信装置的防伪方法,包括:从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;在发送所述请求之后,所述图像采集设备对所述待鉴别的光通信装置进行图像采集以获得信息;以及所述图像采集设备将所述信息发送到所述第一服务器,所述信息能够被所述第一服务器使用来判断所述待鉴别的光通信装置的真伪。Another aspect of the present invention relates to an anti-counterfeiting method for an optical communication device, comprising: transmitting, from an image collection device of a user, an authentication request for an optical communication device to be authenticated to a first server, wherein the authentication request includes optical communication Identification information of the device; after transmitting the request, the image acquisition device performs image acquisition on the optical communication device to be authenticated to obtain information; and the image collection device transmits the information to the first server The information can be used by the first server to determine the authenticity of the optical communication device to be authenticated.
本发明还提供一种基于主动应答的光标签防伪方法,包括如下步骤,The invention also provides an optical label anti-counterfeiting method based on active response, comprising the following steps,
步骤1,通过个人移动设备采集光标签时,读取光标签的ID号,根据ID号向提供名录服务的第三方机构服务器查询ID号所对应光标签的网络服务地址;Step 1: When collecting the optical label by the personal mobile device, reading the ID number of the optical label, and querying the network service address of the optical label corresponding to the ID number according to the ID number to the third-party organization server that provides the directory service;
步骤2,根据收到的网络服务地址访问该光标签的光标签网络服务器,将ID号发送至光标签网络服务器并提出鉴别该光标签的请求;Step 2: accessing the optical label network server of the optical label according to the received network service address, sending the ID number to the optical label network server, and submitting a request for authenticating the optical label;
步骤3,光标签网络服务器根据收到的ID号,查询对应光标签所在位置,并随机生成验证码r;同时指定发送时刻t和指定时间增量Δt作为验证码生命周期,构成三元组(r,t,Δt);光标签网络服务器将三元组(r,t,Δt)同时发送给个人移动设备和光标签;Step 3: The optical label network server queries the location of the corresponding optical label according to the received ID number, and randomly generates a verification code r. At the same time, the transmission time t and the specified time increment Δt are specified as the verification code life cycle to form a triplet ( r, t, Δt); the optical tag network server simultaneously transmits the triplet (r, t, Δt) to the personal mobile device and the optical tag;
步骤4,从接到三元组(r,t,Δt)后的Δt时间内,光标签以一帧或连续多帧的方式显示验证码r,r为自然数;个人移动设备在时间区间[t,t+Δt] 内从光标签处读取得到随机数r’;个人移动设备比较读取到的随机数r’与接收到的验证码r,如果二者一致则光标签通过合法性验证,否则认定光标签为伪冒光标签,认证完毕后将结果告知光标签网络服务器,鉴别完毕。Step 4: From the time Δt after receiving the triplet (r, t, Δt), the optical tag displays the verification code r in a frame or a continuous multiframe, r is a natural number; the personal mobile device is in the time interval [t ,t+Δt] The random number r' is read from the optical label; the personal mobile device compares the read random number r' with the received verification code r, and if the two are consistent, the optical label passes the legality verification, otherwise the optical label is determined to be The pseudo-cold label, after the authentication is completed, informs the optical label network server of the result, and the authentication is completed.
优选的,步骤1中,所述的ID为光标签传递信息中能够唯一标识该光标签的号码信息。Preferably, in step 1, the ID is number information of the optical tag delivery information that can uniquely identify the optical tag.
优选的,步骤1中,所述的网络服务地址为url网络链接地址。Preferably, in step 1, the network service address is a url network link address.
优选的,步骤3中,验证码r为大于等于6位的自然数。Preferably, in step 3, the verification code r is a natural number greater than or equal to 6 bits.
优选的,步骤4中,光标签以光标签一帧的方式显示验证码r时,同时加入同时显示能够标注该帧为认证帧的标记;个人移动设备在时间区间[t,t+Δt]内从光标签读取带标记的认证帧得到随机数r’。Preferably, in step 4, when the optical tag displays the verification code r in the form of one frame of the optical tag, simultaneously adding a flag indicating that the frame can be marked as an authentication frame; the personal mobile device is within the time interval [t, t+Δt] Reading the tagged authentication frame from the optical tag yields the random number r'.
优选的,当多个个人移动设备同时向提供名录服务的第三方机构服务器查询ID号所对应光标签的网络服务地址时;各自所对应的个人移动设备分别将ID号发送至光标签网络服务器并提出鉴别该光标签的请求;光标签网络服务器根据收到的ID号,查询对应光标签所在位置,并随机生成多个验证码r,在不同的发送时间下形成多个三元组分别发送给多个个人移动设备和光标签;光标签分别从对应的发送时刻开始在对应的验证码生命周期内持续显示验证码形成分片显示;多个个人移动设备分别读取对应分片的发送时刻和生命周期内显示的随机数,进行合法性验证。Preferably, when the plurality of personal mobile devices simultaneously query the network service address of the optical tag corresponding to the ID number to the third-party server that provides the directory service; the respective personal mobile devices respectively send the ID number to the optical tag network server and A request for discriminating the optical label is provided; the optical label network server queries the location of the corresponding optical label according to the received ID number, and randomly generates a plurality of verification codes r, and generates a plurality of triplets respectively to be sent to the different sending times. a plurality of personal mobile devices and optical tags; the optical tags respectively display the verification code to form a slice display in the corresponding verification code life cycle from the corresponding transmission time; the plurality of personal mobile devices respectively read the transmission time and the life of the corresponding slice The random number displayed in the period is verified for legality.
附图说明DRAWINGS
以下参照附图对本发明的实施例作进一步说明,其中:The embodiments of the present invention are further described below with reference to the accompanying drawings, in which:
图1A和图1B示出了适用于本发明的防伪方法的一种光标签;1A and 1B illustrate an optical label suitable for use in the anti-counterfeiting method of the present invention;
图2示出了根据本发明的一个实施例的在单用户场景下的光标签防伪系统;2 illustrates an optical tag anti-counterfeiting system in a single-user scenario, in accordance with one embodiment of the present invention;
图3示出了根据本发明的一个实施例的在多用户场景下的光标签防伪系统;3 illustrates an optical tag anti-counterfeiting system in a multi-user scenario in accordance with one embodiment of the present invention;
图4示出了一种重放攻击场景;Figure 4 shows a replay attack scenario;
图5示出了根据本发明的一个实施例的光标签防伪流程;以及Figure 5 illustrates an optical tag anti-counterfeiting process in accordance with one embodiment of the present invention;
图6示出了根据本发明的另一个实施例的光标签防伪流程。 Figure 6 illustrates an optical tag anti-counterfeiting process in accordance with another embodiment of the present invention.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图通过具体实施例对本发明进行进一步详细说明,其是对本发明的解释而不是限定。The present invention will be further described in detail with reference to the accompanying drawings, in which,
光标签通过发出不同的光来传递信息,并且光标签所传递的信息可以随时间而发生变化。图1A示出了适用于本发明的防伪方法的一种光标签,其包括由发光单元构成的9×9阵列,该阵列可以被划分为作为数据位的信号单元1、动态闪烁定位标识2、静态定位标识3、以及空白位4,其中动态闪烁定位标识2为光标签中间的较大的正方形(为由发光单元构成的3×3的阵列),静态定位标识3为位于光标签的角落的三个较大的回字框(同样为由发光单元构成的3×3的阵列),动态闪烁定位标识2与三个静态定位标识3一起构成一组定位标识符。每一个信号单元1和每一个空白位4可以对应于一个发光单元。Optical tags transmit information by emitting different lights, and the information conveyed by the optical tags can change over time. 1A shows an optical tag suitable for the anti-counterfeiting method of the present invention, which includes a 9×9 array composed of light-emitting units, which array can be divided into a signal unit as a data bit, a dynamic blinking positioning mark 2 The static positioning identifier 3 and the blank bit 4, wherein the dynamic blinking positioning mark 2 is a larger square in the middle of the optical label (as a 3×3 array composed of light emitting units), and the static positioning mark 3 is located at a corner of the light label. The three larger return boxes (also a 3 x 3 array of light-emitting units), together with the three static position markers 3, form a set of position identifiers. Each of the signal units 1 and each of the blank bits 4 may correspond to one light emitting unit.
另外,需要说明的是,虽然图1A所示的实施例中的光标签采用了同样的发光单元构成的阵列,但是在一些实施例中,也可以使用不同大小的发光单元(例如,针对较大的动态闪烁定位标识设计一个较大的发光单元,而针对较小的信号单元采用较小的发光单元)。在一些实施例中,一个信号单元可以对应于多个发光单元,例如,一个信号单元本身可以由发光单元的阵列构成。类似地,一个空白位也可以对应于多个发光单元。发光单元中可以包括发光源,该发光源可以使用各种发光技术,例如使用LED灯。根据不同的使用需求,每个发光单元中的发光源的数量可以为一个或多个。In addition, it should be noted that although the optical tags in the embodiment shown in FIG. 1A employ an array of the same light-emitting units, in some embodiments, different sizes of light-emitting units may also be used (eg, for larger The dynamic blinking positioning design designing a larger lighting unit and using a smaller lighting unit for smaller signal units). In some embodiments, one signal unit may correspond to a plurality of light emitting units, for example, one signal unit itself may be comprised of an array of light emitting units. Similarly, a blank bit may also correspond to a plurality of light emitting units. A light source may be included in the light unit, which may use various light emitting techniques, such as the use of LED lights. The number of illumination sources in each illumination unit may be one or more according to different usage requirements.
光标签还可以包括控制器、以及电池或电源等,其中,控制器用于控制发光单元中的发光源的光波频率和闪烁方式,电池或电源为控制器和发光源提供能源。控制器可以独立地控制每一个发光单元,也可以对发光单元中的一些进行统一控制,例如,控制器可以对动态闪烁定位标识2的发光单元进行统一控制,对静态定位标识3的发光单元或其部分进行统一控制,以及对空白位4的发光单元进行统一控制。The optical tag may further include a controller, and a battery or a power source or the like, wherein the controller is for controlling a light wave frequency and a blinking manner of the light source in the light emitting unit, and the battery or the power source supplies energy to the controller and the light source. The controller can independently control each of the light emitting units, and can also perform unified control on some of the light emitting units. For example, the controller can uniformly control the light emitting unit of the dynamic blinking positioning mark 2, and the light emitting unit of the static positioning mark 3 or The part is uniformly controlled, and the lighting unit of the blank position 4 is uniformly controlled.
在工作状态下,动态闪烁定位标识2可以以一定的频率闪烁,该闪烁可以是光的属性的变化。该属性在本申请中指的是光学成像器件能够识别的 任何一种属性,例如其可以是光的强度、颜色、波长等人眼可感知的属性,也可以是人眼不可感知的其他属性,例如在人眼可见范围外的电磁波长的强度、颜色或波长改变,或者是上述属性的任一组合。光的属性变化可以是单个属性发生变化,也可以是两个或更多个属性的组合发生变化。当选择光的强度作为属性时,可以简单地选择开启或关闭光源。在下文中为了简单起见,以开启或关闭光源来改变光的属性,但本领域技术人员可以理解,用于改变光的属性的其他方式也是可行的。图1B示出了当动态闪烁定位标识2发出的光的属性发生变化时的光标签。In the working state, the dynamic flickering location indicator 2 can flash at a certain frequency, which can be a change in the properties of the light. This attribute refers to what the optical imaging device can recognize in this application. Any of the attributes, such as the intensity of the light, the color, the wavelength, etc., can be perceived by the human eye, or other attributes that are not perceptible to the human eye, such as the intensity, color, or The wavelength changes, or any combination of the above attributes. A change in the properties of light can be a single property change, or a combination of two or more properties can change. When the intensity of the light is selected as an attribute, the light source can be simply turned on or off. In the following, for the sake of simplicity, the light source is turned on or off to change the properties of the light, but those skilled in the art will appreciate that other ways to change the properties of the light are also possible. FIG. 1B shows the optical label when the attribute of the light emitted by the dynamic blinking position indicator 2 changes.
另外,上述属性的定义同样适用于静态定位标识3、空白位4以及信号单元1所发出的光的属性。但是需要说明的是,动态闪烁定位标识2、静态定位标识3、空白位4以及信号单元1可以利用不同的属性来工作,例如,动态闪烁定位标识2可以以不同的颜色变换来实现闪烁效果,而信号单元1可以使用不同的光强度来表示不同的信息。In addition, the definition of the above attributes applies equally to the static positioning identifier 3, the blank bit 4, and the attribute of the light emitted by the signal unit 1. However, it should be noted that the dynamic blinking positioning mark 2, the static positioning mark 3, the blank bit 4, and the signal unit 1 can work with different attributes. For example, the dynamic blinking positioning mark 2 can realize the flickering effect by using different color conversions. Signal unit 1 can use different light intensities to represent different information.
当动态闪烁定位标识2在闪烁时,可以通过光学成像器件来连续采集多帧图像,通过对所采集的多帧图像执行图像差分可以快速、准确地识别出该动态闪烁定位标识2并确定其位置。在识别出了动态闪烁定位标识2之后,可以进一步在其附近识别出静态定位标识3的准确位置。When the dynamic flickering positioning mark 2 is blinking, the multi-frame image can be continuously acquired by the optical imaging device, and the dynamic flickering positioning mark 2 can be quickly and accurately recognized and the position determined by performing image difference on the acquired multi-frame image. . After the dynamic flickering location indicator 2 is identified, the exact location of the static location indicator 3 can be further identified in its vicinity.
静态定位标识3在工作期间呈现固定的光学模式。在一个实施例中的静态定位标识3呈现为一个回字框,并且在其水平中心线和垂直中心线处的水平方向和垂直方向上的不同属性的像素(在本实施例中为黑白黑像素)的比例可以被设置为1:1:1。另外,为了更为准确地确定由黑色像素限定的静态定位标识3的边界,可以如图1A所示在光标签中设置4个由白色像素构成的空白位,其保证了不论从水平还是垂直方向扫描,静态定位标识3的黑白黑的像素比例服从1:1:1。The static positioning indicator 3 presents a fixed optical mode during operation. The static positioning marker 3 in one embodiment is presented as a return box, and pixels of different attributes in the horizontal and vertical directions at its horizontal centerline and vertical centerline (black and white black pixels in this embodiment) The ratio can be set to 1:1:1. In addition, in order to more accurately determine the boundary of the static positioning mark 3 defined by the black pixels, four blank bits composed of white pixels may be provided in the optical tag as shown in FIG. 1A, which ensure whether the horizontal or vertical direction is used. Scanning, static positioning marker 3 black and white black pixel ratio obeys 1:1:1.
在确定了动态闪烁定位标识2和静态定位标识3的位置之后,可以借助动态闪烁定位标识2和静态定位标识3的位置来确定光标签中的各个信号单元1的位置,以进行数据的识别或读取。信号单元1为光标签中除了动态闪烁定位标识2、静态定位标识3以及空白位4以外的小正方形发光单元,或者也可以是这些发光单元中的一部分。After determining the positions of the dynamic blinking positioning indicator 2 and the static positioning indicator 3, the positions of the respective signal units 1 in the optical label can be determined by means of the positions of the dynamic blinking positioning indicator 2 and the static positioning indicator 3 for data identification or Read. The signal unit 1 is a small square light-emitting unit other than the dynamic blinking positioning mark 2, the static positioning mark 3, and the blank bit 4 in the optical tag, or may be a part of these light-emitting units.
另外,在用户对光标签进行拍摄时,其可能不是正对着光标签,在这种 情况下,光标签的成像可能存在一定程度的扭曲或变形。可以基于光学成像中的透视原理来在光标签的识别过程中考虑这些扭曲或变形。In addition, when the user takes a photo tag, it may not be facing the light tag. In this case, the imaging of the optical label may have a certain degree of distortion or deformation. These distortions or distortions can be considered in the identification process of the optical tag based on the perspective principle in optical imaging.
每个信号单元1所发出的光可以具有特定属性,如上所述,该属性可以是光学成像器件能够感知的任何属性,包括人眼不可感知的属性。在一个实施例中,可以通过控制与每个信号单元1对应的发光单元的开启和关闭来表示二进制数字信息的“0”或“1”,从而光标签的一帧画面中的所有信号单元1可以用于表示一个二进制数字信息序列。如本领域技术人员可以理解的,每个信号单元1不仅可以用于表示一个二进制数,还可以用于表示三进制或更大进制的数据。例如,可以通过将发光单元所发出的光的强度设置为可从三种或更多种水平中进行选择,或者通过将发光单元所发出的光的颜色设置为可从三种或更多种颜色中进行选择,甚至通过采用强度与颜色的组合,以及本领域技术人员认为可行的其他方式,来使每个信号单元1表示三进制或更大进制的数据。The light emitted by each signal unit 1 may have a specific property, which, as described above, may be any property that the optical imaging device can perceive, including attributes that are not perceptible to the human eye. In one embodiment, "0" or "1" of binary digital information can be represented by controlling the turning on and off of the lighting unit corresponding to each signal unit 1, so that all signal units 1 in one frame of the optical label Can be used to represent a sequence of binary digital information. As can be appreciated by those skilled in the art, each signal unit 1 can be used not only to represent a binary number, but also to represent data in ternary or larger hexadecimal. For example, the intensity of light emitted by the light emitting unit can be set to be selectable from three or more levels, or by setting the color of light emitted by the light emitting unit to be selectable from three or more colors The selection is made such that each signal unit 1 represents ternary or larger data by using a combination of intensity and color, and other means deemed feasible by those skilled in the art.
在另一实施例中,由于光标签中的信号单元1可以以一定频率(该频率可以与动态闪烁定位标识2的闪烁频率相同,也可以不同)改变其所发出的光的属性,因此,光标签可以在不同的时间表示不同的数据信息,例如,不同的二进制数字信息序列。如此,当使用光学成像设备对光标签进行连续拍摄时(例如,以30帧/秒的速率),其每一帧图像都可以用于表示一组信息序列。In another embodiment, since the signal unit 1 in the optical tag can change the attribute of the light emitted by the signal unit 1 in the optical tag at a certain frequency (which may be the same as the blinking frequency of the dynamic flickering positioning mark 2), therefore, the light Tags can represent different data information at different times, for example, different sequences of binary digital information. As such, when optical tags are continuously captured using an optical imaging device (e.g., at a rate of 30 frames per second), each frame of image can be used to represent a sequence of information.
在上述实施例中将光标签示意性地设置为由发光单元构成的9×9阵列,将其中的动态闪烁定位标识2设置为光标签中间的较大的正方形(由发光单元构成的3×3的阵列),并将其中的静态定位标识3设置为光标签的角落的三个较大的回字框(同样是由发光单元构成的3×3的阵列),但是本领域技术人员可以理解,光标签的形状和大小等、动态闪烁定位标识2和静态定位标识3的大小、形状、位置、数量等并不局限于上述实施例,而是可以根据实际需要发生改变。例如,光标签可以不是9×9的阵列,甚至可以不是正方形;动态闪烁定位标识2可以不仅仅有一个,可以不位于光标签的中间,可以不是3×3的阵列,甚至可以不是正方形;静态定位标识3可以不是三个,可以不位于光标签的角落、可以不是3×3的阵列,甚至可以不是正方形。在一个实施例中,可以在光标签中省略空白位。 In the above embodiment, the optical label is schematically set as a 9×9 array composed of light emitting units, and the dynamic blinking positioning mark 2 therein is set as a larger square in the middle of the light label (3×3 composed of the light emitting unit) Array), and set the static positioning identifier 3 therein to three larger singular boxes of the corners of the optical label (again, a 3×3 array of light-emitting units), but those skilled in the art will understand that The shape, size, and the like of the optical tag, the size, shape, position, number, and the like of the dynamic flickering positioning mark 2 and the static positioning mark 3 are not limited to the above embodiments, but may be changed according to actual needs. For example, the optical label may not be a 9×9 array, and may not even be a square; the dynamic blinking positioning identifier 2 may not only have one, may not be located in the middle of the optical label, may not be a 3×3 array, or may not be a square; static The location identifiers 3 may not be three, may not be located at the corners of the optical tags, may not be 3×3 arrays, or may not be squares. In one embodiment, blank bits can be omitted in the optical tag.
可以使用本领域常见的光学成像设备或图像采集设备对光标签进行成像。光学成像设备或图像采集设备可以包括图像采集元件、处理器和存储器等。光学成像设备或图像采集设备例如可以是具有拍摄功能的智能移动终端,包括手机、平板电脑、智能眼镜等,其可以包括图像采集装置和图像处理模块。用户在距离光标签视距范围内通过肉眼发现光标签,通过使移动终端成像传感器朝向光标签,扫描该光标签并进行信息捕获与判读处理。移动终端的视频采集频率可以被设置为大于或等于光标签闪烁频率的2倍。通过采集手机摄像头中拍摄的视频、图像信息,并将图像帧传入手机内存,并使用处理器进行解码操作,最终完成识别解码的过程。在一个实施例中,为了避免图像帧的重复、遗漏等,可以在光标签所传递的信息中包括序列号、校验位、时间戳等。根据需要,可以在多个图像帧中给出起始帧或结束帧,或者二者兼有,用于指示多个图像帧的一个完整周期的开始或结束位置,该起始帧或结束帧可以被设定为显示某个特殊的数据组合,例如:全0或全1,或者任何不会与实际可能显示的信息相同的特殊组合。Optical tags can be imaged using optical imaging devices or image acquisition devices that are common in the art. The optical imaging device or image acquisition device may include an image acquisition component, a processor, a memory, and the like. The optical imaging device or image acquisition device may be, for example, a smart mobile terminal having a photographing function, including a mobile phone, a tablet, smart glasses, etc., which may include an image capture device and an image processing module. The user visually finds the optical tag within a range of distance from the optical tag, and scans the optical tag by performing the information capture and interpretation process by causing the imaging sensor of the mobile terminal to face the optical tag. The video acquisition frequency of the mobile terminal can be set to be greater than or equal to twice the blinking frequency of the optical tag. By collecting the video and image information captured in the camera of the mobile phone, and passing the image frame into the memory of the mobile phone, and using the processor to perform the decoding operation, the process of identifying and decoding is finally completed. In an embodiment, in order to avoid duplication, omission, and the like of the image frame, the serial number, the check digit, the time stamp, and the like may be included in the information transmitted by the optical tag. A start frame or an end frame may be given in a plurality of image frames as needed, or both, for indicating a start or end position of a complete period of the plurality of image frames, the start frame or the end frame may be It is set to display a particular combination of data, for example: all 0s or all 1s, or any special combination that will not be the same as the information that may actually be displayed.
图2示出了根据本发明的一个实施例的在单用户场景下的光标签防伪系统。如图2所示,该系统包括光标签23、服务器5和服务器6。服务器5能够与光标签23进行通信,其是光标签23的数据或服务提供者,因此下文也将其称为光标签网络服务器5。服务器6可以是任何可信的服务器,例如可以是一个可信任机构的服务器,因此下文也将其称为第三方机构服务器6。第三方机构服务器6存储有与在该服务器处注册的光标签(例如光标签23)对应的光标签网络服务器(例如光标签网络服务器5)的网络地址(例如域名信息)。用户21可以使用其图像采集设备22(例如手机)与该防伪系统进行交互。图像采集设备22通常具备通信功能。2 illustrates an optical tag anti-counterfeiting system in a single-user scenario, in accordance with one embodiment of the present invention. As shown in FIG. 2, the system includes an optical tag 23, a server 5, and a server 6. The server 5 is capable of communicating with the optical tag 23, which is the data or service provider of the optical tag 23, and is therefore also referred to hereinafter as the optical tag network server 5. Server 6 can be any trusted server, such as a server that can be a trusted authority, and is therefore also referred to hereinafter as third party agency server 6. The third party server 6 stores a network address (e.g., domain name information) of an optical tag network server (e.g., optical tag network server 5) corresponding to an optical tag (e.g., optical tag 23) registered at the server. User 21 can interact with the anti-counterfeiting system using its image capture device 22, such as a cell phone. Image acquisition device 22 typically has a communication function.
需要特别说明的是,在一些实施例中,用户21可能已经知悉了光标签网络服务器5的网络地址L或者可以通过其他途径来获得该网络地址L,例如,该网络地址L是用户熟知的,或者该网络地址L被预先存储在图像采集设备22的用于光标签信息采集的应用程序(APP)中。在这种情况下,用户可以直接通过网络地址L访问光标签网络服务器5,而不需要通过第三方机构服务器6来获得该网络地址L。在这种情况下,在图2所示的防伪系统中不再需要布置第三方机构服务器6,也就是说,该第三方机构服 务器6不是必需的。It should be particularly noted that, in some embodiments, the user 21 may already know the network address L of the optical label network server 5 or may obtain the network address L by other means, for example, the network address L is well known to the user. Or the network address L is pre-stored in an application (APP) for optical tag information collection by the image acquisition device 22. In this case, the user can access the optical tag network server 5 directly through the network address L without obtaining the network address L through the third-party organization server 6. In this case, it is no longer necessary to arrange the third-party organization server 6 in the anti-counterfeiting system shown in FIG. 2, that is, the third-party agency service Server 6 is not required.
根据本发明的一个实施例的针对单个用户的光标签防伪流程在图5中示出,并具体描述如下。The optical tag anti-counterfeiting flow for a single user in accordance with one embodiment of the present invention is illustrated in FIG. 5 and is described in detail below.
当用户21使用其图像采集设备22采集光标签23的信息时,用户21可能对光标签23的真实性产生怀疑。例如,用户21可能担心光标签23是伪冒的光标签。在这种情况下,用户21可以通过图像采集设备22来从光标签23获得标识信息(例如,ID号),该标识信息是指任意可以用于标识光标签的信息(步骤501)。该标识信息可以是光标签23所呈现的信息,或者可以作为光标签23所呈现的信息的一部分。光标签23可以通过一次显示来呈现上述信息,或者也可以通过多次显示来呈现上述信息。在多次显示的情况下,用户21可以通过图像采集设备22连续采集光标签23的多帧图像,并基于该多帧图像来获得相应的信息。When the user 21 uses his image acquisition device 22 to collect information of the optical tag 23, the user 21 may have doubts about the authenticity of the optical tag 23. For example, the user 21 may be concerned that the optical tag 23 is a fake optical tag. In this case, the user 21 can obtain identification information (e.g., ID number) from the optical tag 23 through the image capture device 22, the identification information referring to any information that can be used to identify the optical tag (step 501). The identification information may be information presented by the optical tag 23 or may be part of the information presented by the optical tag 23. The light tag 23 can present the above information by one display, or can also present the above information by multiple displays. In the case of multiple displays, the user 21 can continuously acquire the multi-frame image of the optical tag 23 through the image acquisition device 22, and obtain corresponding information based on the multi-frame image.
根据从光标签23获得的标识信息,用户21可以通过图像采集设备22向第三方机构服务器6查询与该标识信息对应的光标签网络服务器(在本实施例中是光标签网络服务器5)的网络地址(步骤502)。Based on the identification information obtained from the optical tag 23, the user 21 can query the third-party organization server 6 through the image collection device 22 for the network of the optical tag network server (in this embodiment, the optical tag network server 5) corresponding to the identification information. Address (step 502).
第三方机构服务器6在收到用户21的查询请求后,可以进行查询并向用户21的图像采集设备22提供光标签网络服务器5的网络地址L(步骤503),L例如可以是url网络链接地址。After receiving the query request from the user 21, the third-party server 6 can query and provide the network address L of the optical tag network server 5 to the image collection device 22 of the user 21 (step 503), for example, the url network link address .
需要特别说明的是,在一些实施例中,用户21可能已经知悉了光标签网络服务器5的网络地址L或者可以通过其他途径来获得,例如,该网络地址L是用户熟知的,或者该网络地址L被预先存储在图像采集设备22的用于光标签信息采集的应用程序(APP)中。在这种情况下,用户可以直接通过网络地址L访问光标签网络服务器5,而不需要执行前面所述的步骤。It should be particularly noted that, in some embodiments, the user 21 may already know the network address L of the optical tag network server 5 or may be obtained by other means, for example, the network address L is familiar to the user, or the network address. L is pre-stored in an application (APP) for optical tag information collection by the image acquisition device 22. In this case, the user can access the optical tag network server 5 directly through the network address L without performing the steps described above.
用户21使用图像采集设备22通过网络地址L访问光标签网络服务器5,并向光标签网络服务器5提出鉴别光标签23的请求(步骤504)。用户21可以通过图像采集设备22将从光标签23获得的标识信息提供给光标签网络服务器5,该标识信息可以包含在所述请求中。The user 21 accesses the optical tag network server 5 through the network address L using the image capturing device 22, and presents a request for discriminating the optical tag 23 to the optical tag network server 5 (step 504). The user 21 can provide the identification information obtained from the optical tag 23 to the optical tag network server 5 through the image acquisition device 22, and the identification information can be included in the request.
光标签网络服务器5在收到鉴别光标签23的请求后,查询与所述标识信息对应的光标签,生成验证码r(例如以随机或伪随机的方式),并指 定发送时刻t和时间增量Δt(步骤505),从而构成一个三元组(r,t,Δt)。发送时刻t是指光标签网络服务器5发送该三元组的时刻,其也是验证码r的有效期的起始时刻。时间增量Δt用于与发送时刻t一起来确定验证码r的有效期的终止时刻(t+Δt)。因此,时间区间[t,t+Δt]可以作为验证码r的有效期,在该有效期中验证码r是有效的。After receiving the request for authenticating the optical tag 23, the optical tag network server 5 queries the optical tag corresponding to the identifier information to generate a verification code r (for example, in a random or pseudo-random manner), and refers to The transmission time t and the time increment Δt are determined (step 505), thereby constituting a triple (r, t, Δt). The transmission time t is the time at which the optical tag network server 5 transmits the triplet, which is also the start time of the validity period of the verification code r. The time increment Δt is used to determine the end time (t+Δt) of the validity period of the verification code r together with the transmission time t. Therefore, the time interval [t, t + Δt] can be used as the validity period of the verification code r, in which the verification code r is valid.
光标签网络服务器5将三元组(r,t,Δt)发送给图像采集设备22和与所述标识信息对应的光标签(步骤506)。优选地,光标签网络服务器5将三元组(r,t,Δt)同时发送给图像采集设备22和与所述标识信息对应的光标签。The optical tag network server 5 transmits the triplet (r, t, Δt) to the image acquisition device 22 and the optical tag corresponding to the identification information (step 506). Preferably, the optical tag network server 5 simultaneously transmits the triplet (r, t, Δt) to the image acquisition device 22 and the optical tag corresponding to the identification information.
需要说明的是,与所述标识信息对应的光标签可能是光标签23(例如,光标签23是真实的光标签),也可能不是光标签23(例如,光标签23是伪冒的光标签,其伪冒了真实光标签的标识信息)。It should be noted that the optical label corresponding to the identification information may be the optical label 23 (for example, the optical label 23 is a real optical label) or may not be the optical label 23 (for example, the optical label 23 is a fake optical label). , which spoofs the identification information of the real light label).
与标识信息对应的光标签在接收到三元组(r,t,Δt)后,将验证码r在该光标签上呈现出来(步骤507)。优选地,与标识信息对应的光标签在接收到三元组(r,t,Δt)后立即呈现验证码r。在一个实施例中,该光标签可以在时间区间[t,t+Δt]中的任意时刻呈现验证码r。该光标签可以通过一次显示来呈现验证码r,或者也可以通过多次显示来呈现验证码r。在多次显示的情况下,用户21可以通过图像采集设备22连续采集光标签的多帧图像(其中可能会包含序列号、时间戳等,以避免图像帧的重复、遗漏等),并基于该多帧图像来获得相应的验证信息。在呈现验证码r时,光标签可以用任何一种标识方式构建标记V,来标识当前显示的是验证码r,而非其他数据。光标签可以仅仅呈现一次验证码r(如上文所述,验证码r的每次呈现可能涉及光标签的多次显示),也可以在时间区间[t,t+Δt]内以连续的方式或间隔的方式多次呈现验证码r。After receiving the triplet (r, t, Δt), the optical tag corresponding to the identification information presents the verification code r on the optical tag (step 507). Preferably, the optical tag corresponding to the identification information presents the verification code r immediately after receiving the triplet (r, t, Δt). In one embodiment, the optical tag can present the verification code r at any time in the time interval [t, t + Δt]. The optical tag can present the verification code r by one display, or can also present the verification code r by multiple displays. In the case of multiple displays, the user 21 may continuously collect multiple frames of the optical tag through the image capturing device 22 (which may include a serial number, a time stamp, etc., to avoid duplication, omission, etc. of the image frame), and based on the Multi-frame images to obtain corresponding verification information. When the verification code r is presented, the optical tag can construct the tag V in any one of the identification manners to identify that the verification code r is currently displayed instead of other data. The optical tag may only present the verification code r once (as described above, each presentation of the verification code r may involve multiple displays of the optical tag), or may be in a continuous manner within the time interval [t, t + Δt] or The verification code r is presented multiple times in an interval manner.
图像采集设备22在接收到三元组(r,t,Δt)后,存储验证码r,并在时间区间[t,t+Δt]内对光标签23进行图像采集。在采集到的光标签23的各帧图像中,选择标注有标记V的一个或多个帧,并从该一个或多个帧中提取验证信息r’(步骤508)。After receiving the triplet (r, t, Δt), the image acquisition device 22 stores the verification code r and performs image acquisition on the optical tag 23 in the time interval [t, t + Δt]. In each frame image of the acquired optical tag 23, one or more frames marked with a mark V are selected, and verification information r' is extracted from the one or more frames (step 508).
如果用户21未能通过图像采集设备22在时间区间[t,t+Δt]内获得验证信息r’(例如,未发现含有标记V的图像帧),则此时可以认为光标签23 并未从光标签网络服务器5接收到三元组(r,t,Δt)(也即,与所述标识信息对应的光标签不是光标签23),因此,可以判断光标签23是非法的或伪冒的。If the user 21 fails to obtain the verification information r' in the time interval [t, t + Δt] by the image pickup device 22 (for example, an image frame containing the mark V is not found), the optical tag 23 can be considered at this time. The triplet (r, t, Δt) is not received from the optical label network server 5 (that is, the optical label corresponding to the identification information is not the optical label 23), and therefore, it can be determined that the optical label 23 is illegal or False.
如果图像采集设备22获得了验证信息r’,则其可以比较从光标签网络服务器5处接收到的验证码r与从光标签23获得的验证信息r’(步骤509),如果二者匹配则认为光标签23是真实的或合法的(步骤510),否则认为光标签23是伪冒的或非法的(步骤511)。在一个实施例中,二者相互匹配是指二者相同。在其他实施例中,二者相互匹配并不要求二者完全相同,只要二者之间存在某种预定的关系或关联即可。如果在验证过程中发现已经超出了时间区间[t,t+Δt],则图像采集设备22可以向用户21提示验证超时,用户21可以选择重新发起对光标签23的鉴别。图像采集设备22可以在对光标签23进行鉴别后将鉴别结果发送给光标签网络服务器5或者第三方机构服务器6。If the image collecting device 22 obtains the verification information r', it can compare the verification code r received from the optical tag network server 5 with the verification information r' obtained from the optical tag 23 (step 509), if the two match The optical tag 23 is considered to be authentic or legal (step 510), otherwise the optical tag 23 is considered to be spoofed or illegal (step 511). In one embodiment, matching the two means that they are the same. In other embodiments, the two match each other and do not require the two to be identical, as long as there is some predetermined relationship or association between the two. If it is found during the verification process that the time interval [t, t + Δt] has been exceeded, the image acquisition device 22 can prompt the user 21 for the verification timeout, and the user 21 can choose to re-initiate the identification of the optical tag 23. The image collecting device 22 can transmit the authentication result to the optical tag network server 5 or the third-party organization server 6 after authenticating the optical tag 23.
在一个实施例中,发送时刻t可以不是光标签网络服务器5发送该三元组的时刻,相反,其可以被替代为指定光标签在其上呈现验证码r的时刻t’或能够呈现验证码r的起始时刻t’。光标签可以在接收到验证码r和该时刻t’之后在该时刻t’呈现验证码r或在时间区间[t’,t’+Δt]内的任意时刻呈现验证码r。In one embodiment, the transmission time t may not be the time at which the optical tag network server 5 transmits the triplet. Instead, it may be replaced by the time t' at which the specified optical tag presents the verification code r or the verification code can be presented. The starting time t' of r. The optical tag may present the verification code r at the time t' after receiving the verification code r and the time t' or present the verification code r at any time within the time interval [t', t' + Δt].
在一个实施例中,光标签网络服务器5可以不指定发送时刻t和时间增量Δt,而是直接指定验证码r的有效期的终止时刻,并将验证码r和该终止时刻发送到图像采集设备22和与标识信息对应的光标签。与标识信息对应的光标签可以在接收到验证码r和终止时刻之后立即呈现验证码r,也可以在终止时刻之前的任意时刻呈现验证码r。图像采集设备22可以在终止时刻之前对光标签23连续进行图像采集。In an embodiment, the optical label network server 5 may not specify the transmission time t and the time increment Δt, but directly specify the termination time of the validity period of the verification code r, and transmit the verification code r and the termination time to the image acquisition device. 22 and an optical label corresponding to the identification information. The optical tag corresponding to the identification information may present the verification code r immediately after receiving the verification code r and the termination time, or may present the verification code r at any time before the termination time. The image acquisition device 22 can continuously perform image acquisition on the optical tag 23 before the termination time.
在一个实施例中,光标签网络服务器5甚至可以不指定验证码r的有效期的终止时刻,而仅将验证码r发送到图像采集设备22和与标识信息对应的光标签。在正常的通信状况下,图像采集设备22和与标识信息对应的光标签接收到验证码r的时间不会相差太久,与标识信息对应的光标签可以在接收到验证码r后进行验证码r的一次和多次呈现,或者可以在接收到验证码r后稍微等待片刻后(考虑图像采集设备22接收到验证码r的 时间可能会稍晚的情形)进行验证码r的一次和多次呈现。图像采集设备22可以在接收到验证码r后对光标签23进行一段时间的连续图像采集。In one embodiment, the optical tag network server 5 may not even specify the termination time of the validity period of the verification code r, but only the verification code r to the image acquisition device 22 and the optical tag corresponding to the identification information. In a normal communication situation, the time when the image collection device 22 and the optical tag corresponding to the identification information receive the verification code r does not differ too long, and the optical tag corresponding to the identification information may be verified after receiving the verification code r. One and multiple presentations of r, or may wait a little after receiving the verification code r (considering that the image acquisition device 22 receives the verification code r One or more presentations of the verification code r may be performed in a later time. The image capture device 22 may perform continuous image acquisition of the optical tag 23 for a period of time after receiving the verification code r.
图3示出了根据本发明的一个实施例的在多用户场景下的光标签防伪系统,在图3中示意性地示出了三个用户。如图3所示,该系统包括光标签37、光标签网络服务器5和第三方机构服务器6。图3中的防伪系统与图2中相同或类似,只是应用场景不同,因此在此不再赘述。另外,如上所述,第三方机构服务器6不是必需的。用户31、用户33和用户35可以分别使用其各自的图像采集设备32、图像采集设备34和图像采集设备36来与该防伪系统进行交互。Figure 3 illustrates an optical tag anti-counterfeiting system in a multi-user scenario, three of which are schematically illustrated in Figure 3, in accordance with one embodiment of the present invention. As shown in FIG. 3, the system includes an optical tag 37, an optical tag network server 5, and a third party server 6. The anti-counterfeiting system in FIG. 3 is the same as or similar to that in FIG. 2, but the application scenarios are different, and therefore will not be described herein. In addition, as described above, the third party server 6 is not necessary. User 31, user 33, and user 35 can interact with the anti-counterfeiting system using their respective image capture device 32, image capture device 34, and image capture device 36, respectively.
对于某一时刻仅有一个用户对光标签37进行鉴别的情况(例如用户31、用户33和用户35在不同的时刻请求鉴别光标签37),可以针对每个用户在不同的时刻分别执行上文所述的针对单个用户的防伪方法。For the case where only one user authenticates the optical tag 37 at a certain time (for example, the user 31, the user 33, and the user 35 request the identification of the optical tag 37 at different times), the above may be performed separately for each user at different times. The anti-counterfeiting method described for a single user.
对于同时或几乎同时有两个或更多个用户对光标签37进行鉴别的情况,根据本发明的一个实施例的主动应答防伪方法的流程如下(以同时有三个用户进行鉴别为例进行说明)。For the case where two or more users authenticate the optical tag 37 at the same time or almost simultaneously, the flow of the active response anti-counterfeiting method according to an embodiment of the present invention is as follows (illustrated by taking three users simultaneously for identification) .
在用户31、用户33、用户35分别通过图像采集设备32、图像采集设备34、图像采集设备36采集光标签37的信息时,用户31、用户33、用户35均对光标签37的真实性产生了怀疑。在这种情况下,用户31、用户33、用户35可以分别通过图像采集设备32、图像采集设备34、图像采集设备36来从光标签37获得标识信息(例如,ID号),该标识信息是指任意可以用于标识光标签的信息。When the user 31, the user 33, and the user 35 collect the information of the optical tag 37 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, the user 31, the user 33, and the user 35 all generate authenticity of the optical tag 37. Suspicion. In this case, the user 31, the user 33, and the user 35 can obtain identification information (for example, an ID number) from the optical tag 37 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, respectively, and the identification information is Any information that can be used to identify a light label.
根据从光标签37获得的标识信息,用户31、用户33、用户35可以分别通过图像采集设备32、图像采集设备34、图像采集设备36向第三方机构服务器6查询与该标识信息对应的光标签网络服务器(在本实施例中是光标签网络服务器5)的网络地址。Based on the identification information obtained from the optical label 37, the user 31, the user 33, and the user 35 can query the third-party organization server 6 for the optical label corresponding to the identification information through the image collection device 32, the image collection device 34, and the image collection device 36, respectively. The network address of the network server (in this embodiment, the optical tag network server 5).
第三方机构服务器6在收到用户31、用户33、用户35的查询请求后,可以进行查询并向图像采集设备32、图像采集设备34、图像采集设备36分别提供光标签网络服务器5的网络地址L,网络地址L例如可以是url网络链接地址。After receiving the query request from the user 31, the user 33, and the user 35, the third-party server 6 can query and provide the network address of the optical label network server 5 to the image collection device 32, the image collection device 34, and the image collection device 36, respectively. L, the network address L can be, for example, a url network link address.
用户31、用户33、用户35分别使用图像采集设备32、图像采集设备 34、图像采集设备36通过网络地址L访问光标签网络服务器5,并向光标签网络服务器5提出鉴别光标签37的请求。用户31、用户33、用户35可以分别通过图像采集设备32、图像采集设备34、图像采集设备36将从光标签37获得的标识信息提供给光标签网络服务器5。 User 31, user 33, and user 35 respectively use image acquisition device 32 and image acquisition device 34. The image capture device 36 accesses the optical tag network server 5 via the network address L and presents a request for the optical tag network 37 to the optical tag network server 5. The user 31, the user 33, and the user 35 can provide the identification information obtained from the optical tag 37 to the optical tag network server 5 through the image capturing device 32, the image capturing device 34, and the image capturing device 36, respectively.
光标签网络服务器5在收到来自用户31、用户33、用户35的鉴别光标签23的请求后,查询与所述标识信息对应的光标签,生成三个相应的验证码r1、r2、r3(例如以随机或伪随机的方式),并指定与各个验证码r1、r2、r3相关联的发送时刻t1、t2、t3和时间增量Δt1、Δt2、Δt3,从而构成三个三元组(r1,t1,Δt1)、(r2,t2,Δt2)、(r3,t3,Δt3)。此处的发送时刻t1、t2、t3与时间增量Δt1、Δt2、Δt3和上文所述的发送时刻t与时间增量Δt含义相同,因此不再赘述。发送时刻t1、t2、t3为三个不同的发送时刻,时间增量Δt1、Δt2、Δt3可以相同或也可以不相同,但需要使得三个时间区间[t1,t1+Δt1]、[t2,t2+Δt2]、[t3,t3+Δt3]不会相互重叠。After receiving the request from the user 31, the user 33, and the user 35 for identifying the optical tag 23, the optical tag network server 5 queries the optical tag corresponding to the identification information to generate three corresponding verification codes r 1 and r 2 . r 3 (for example in a random or pseudo-random manner) and specifying the transmission times t 1 , t 2 , t 3 and the time increments Δt 1 , Δt 2 associated with the respective verification codes r 1 , r 2 , r 3 , Δt 3 , thereby constituting three triads (r 1 , t 1 , Δt 1 ), (r 2 , t 2 , Δt 2 ), (r 3 , t 3 , Δt 3 ). Here, the transmission times t 1 , t 2 , t 3 and the time increments Δt 1 , Δt 2 , Δt 3 and the above-described transmission time t have the same meaning as the time increment Δt, and therefore will not be described again. The transmission times t 1 , t 2 , and t 3 are three different transmission times, and the time increments Δt 1 , Δt 2 , and Δt 3 may be the same or different, but three time intervals [t 1 , t 1 are required. +Δt 1 ], [t 2 , t 2 + Δt 2 ], [t 3 , t 3 + Δt 3 ] do not overlap each other.
光标签网络服务器5将三元组(r1,t1,Δt1)发送给图像采集设备32,将三元组(r2,t2,Δt2)发送给图像采集设备34、将三元组(r3,t3,Δt3)发送给图像采集设备36。另外,光标签网络服务器5将三个三元组(r1,t1,Δt1)、(r2,t2,Δt2)、(r3,t3,Δt3)都发送给与所述标识信息对应的光标签。The optical label network server 5 sends the triplet (r 1 , t 1 , Δt 1 ) to the image acquisition device 32, and transmits the triplet (r 2 , t 2 , Δt 2 ) to the image acquisition device 34, and the ternary The group (r 3 , t 3 , Δt 3 ) is sent to the image acquisition device 36. In addition, the optical tag network server 5 transmits three triplets (r 1 , t 1 , Δt 1 ), (r 2 , t 2 , Δt 2 ), (r 3 , t 3 , Δt 3 ) to the device. The optical label corresponding to the identification information.
与所述标识信息对应的光标签在接收到三个三元组(r1,t1,Δt1)、(r2,t2,Δt2)、(r3,t3,Δt3)后,在时间区间[t1,t1+Δt1]、[t2,t2+Δt2]、[t3,t3+Δt3]内将验证码r1、r2、r3在其上分别呈现出来。The optical tag corresponding to the identification information after receiving three triplets (r 1 , t 1 , Δt 1 ), (r 2 , t 2 , Δt 2 ), (r 3 , t 3 , Δt 3 ) , in which the verification codes r 1 , r 2 , r 3 are in the time interval [t 1 , t 1 + Δt 1 ], [t 2 , t 2 + Δt 2 ], [t 3 , t 3 + Δt 3 ] Presented separately.
图像采集设备32、图像采集设备34、图像采集设备36在接收到各自的三元组后,存储相应的验证码,并可以分别在时间区间[t1,t1+Δt1]、[t2,t2+Δt2]、[t3,t3+Δt3]内对光标签37进行图像采集。图像采集设备32、图像采集设备34、图像采集设备36在采集到的光标签37的各帧图像中,选择标注有标记V的一个或多个帧,并从该一个或多个帧中分别提取验证信息r1’、r2’、r3’。需要说明的是,各个图像采集设备也可以在其对应的时间区间之外的时段对光标签37进行图像采集,以获得光标签37在该时段呈现的其他信息。如果图像采集设备在该时段中采集到了光标签37的含有标记V的图像帧(该含有标记V的图像帧是针对其他图像采集设备的),将其简单丢弃即可。After receiving the respective triplets, the image acquisition device 32, the image acquisition device 34, and the image acquisition device 36 store the corresponding verification codes, and can respectively be in the time interval [t 1 , t 1 +Δt 1 ], [t 2 Image acquisition of the optical tag 37 is performed within t 2 + Δt 2 ], [t 3 , t 3 + Δt 3 ]. The image capturing device 32, the image capturing device 34, and the image capturing device 36 select one or more frames labeled with the mark V in each frame image of the collected optical tag 37, and extract from the one or more frames respectively. Verification information r 1 ', r 2 ', r 3 '. It should be noted that each image capturing device may also perform image capturing on the optical tag 37 during a time period other than its corresponding time interval to obtain other information that the optical tag 37 presents during the time period. If the image capture device has acquired the image frame of the optical tag 37 containing the mark V during the time period (the image frame containing the mark V is for other image capture devices), it may simply be discarded.
如果用户31、用户33、用户35中的任一个未能通过图像采集设备在 相应的时间区间内获得验证信息(例如,未发现含有标记V的图像帧),则此时该用户可以认为光标签37并未从光标签网络服务器5接收到三元组(也即,与所述标识信息对应的光标签不是光标签37),因此,可以判断光标签37是非法的或伪冒的。If any of the user 31, the user 33, and the user 35 fails to pass the image capture device If the verification information is obtained in the corresponding time interval (for example, the image frame containing the mark V is not found), then the user can think that the optical tag 37 has not received the triplet from the optical tag network server 5 (ie, The optical label corresponding to the identification information is not the optical label 37). Therefore, it can be determined that the optical label 37 is illegal or fake.
如果用户31、用户33、用户35中的任一个通过图像采集设备在相应的时间区间内获得了验证信息,则可以比较从光标签网络服务器5处接收到的验证码与从光标签37获得的验证信息(也即,图像采集设备32比较r1与r1’、图像采集设备34比较r2与r2’、图像采集设备36比较r3与r3’),如果二者匹配则认为光标签37是合法的,否则认为光标签37是非法的或伪冒的。用户31、用户33、用户35分别执行其鉴别操作,在通常情况下,他们会获得一致的鉴别结果。如果在验证过程中发现已经超出了时间区间,则图像采集设备可以向用户提示验证超时,用户可以选择重新发起对光标签的鉴别。各个图像采集设备可以在对光标签37进行鉴别后将鉴别结果发送给光标签网络服务器5或者第三方机构服务器6。If any of the user 31, the user 33, and the user 35 obtains the authentication information in the corresponding time interval by the image capturing device, the verification code received from the optical tag network server 5 and the obtained from the optical tag 37 can be compared. Verification information (ie, image acquisition device 32 compares r 1 and r 1 ', image acquisition device 34 compares r 2 and r 2 ', image acquisition device 36 compares r 3 and r 3 '), and considers light if the two match The tag 37 is legal, otherwise the optical tag 37 is considered illegal or counterfeit. The user 31, the user 33, and the user 35 respectively perform their authentication operations, and under normal circumstances, they will obtain a consistent authentication result. If it is found during the verification process that the time interval has been exceeded, the image collection device may prompt the user for the verification timeout, and the user may choose to re-initiate the identification of the optical label. Each image collecting device may transmit the authentication result to the optical tag network server 5 or the third-party organization server 6 after authenticating the optical tag 37.
在一个实施例中,发送时刻t1、t2、t3可以不是光标签网络服务器5发送各个三元组的时刻,相反,其可以被替代为指定与所述标识信息对应的光标签在其上呈现验证码的时刻或能够呈现验证码的起始时刻。In one embodiment, the transmission times t 1 , t 2 , t 3 may not be the time at which the optical tag network server 5 transmits the respective triplets, instead, it may be replaced by specifying the optical tags corresponding to the identification information in it. The time at which the verification code is presented or the starting time at which the verification code can be presented.
在一个实施例中,光标签网络服务器5可以不指定发送时刻t1、t2、t3和时间增量Δt1、Δt2、Δt3,而是直接指定各个验证码的有效期的终止时刻(这些终止时刻各不相同)。在这种情况下,为了避免三个时间区间的重叠,光标签网络服务器5可以最先将最早的终止时刻以及与其对应的验证码发送到与标识信息对应的光标签和相应的图像采集设备,并在该最早的终止时刻到达后将第二早的终止时刻以及与其对应的验证码发送到与标识信息对应的光标签和相应的另一图像采集设备,依此类推。与标识信息对应的光标签可以在接收到任一验证码及其终止时刻之后立即呈现该验证码,也可以在该终止时刻之前的任意时刻呈现该验证码。每个图像采集设备可以在其接收到的终止时刻之前对光标签37连续进行图像采集。In one embodiment, the optical tag network server 5 may not specify the transmission times t 1 , t 2 , t 3 and the time increments Δt 1 , Δt 2 , Δt 3 , but directly specify the termination time of the validity period of each verification code ( These termination times are different). In this case, in order to avoid overlapping of the three time intervals, the optical label network server 5 may first transmit the earliest termination time and the corresponding verification code to the optical label corresponding to the identification information and the corresponding image collection device. And after the earliest termination time arrives, the second early termination time and the corresponding verification code are sent to the optical tag corresponding to the identification information and the corresponding another image collection device, and so on. The optical tag corresponding to the identification information may present the verification code immediately after receiving any verification code and its termination time, and may also present the verification code at any time before the termination time. Each image acquisition device can continuously perform image acquisition on the optical tag 37 before the termination time it receives.
上述针对同时的两个或更多个用户的主动应答防伪流程可以抵御恶意用户的重放攻击。根据一个实施例的重放攻击如图4所示,其中,第一合法用户41持有图像采集设备42,恶意用户45持有图像采集设备46, 第二合法用户47持有图像采集设备48。恶意用户45利用图像采集设备46对合法光标签43发起主动应答防伪流程,并将接收到的验证码转发给非法光标签44进行重放,企图欺骗第二合法用户47。由于各个用户在主动应答防伪流程中收到的是不同的验证码,并且将接收到的验证码进行转发、重放等会使得超出该验证码的有效期,因此恶意用户45无法欺骗第二合法用户47。The above-mentioned active response anti-counterfeiting process for two or more users at the same time can defend against replay attacks by malicious users. A replay attack according to one embodiment is shown in FIG. 4, wherein the first legitimate user 41 holds the image capture device 42, and the malicious user 45 holds the image capture device 46, The second legitimate user 47 holds the image capture device 48. The malicious user 45 initiates an active response anti-counterfeiting process to the legal optical tag 43 by using the image collecting device 46, and forwards the received verification code to the illegal optical tag 44 for playback, in an attempt to spoof the second legitimate user 47. Since each user receives a different verification code in the active response anti-counterfeiting process, and forwards, replays, etc. the received verification code, the validity period of the verification code is exceeded, so the malicious user 45 cannot spoof the second legitimate user. 47.
本发明在实际应用中的使用实例如下。An example of the use of the present invention in practical applications is as follows.
实例1Example 1
商场M通过光标签L发布商品的信息。顾客G想要通过光标签L购买商品,但是对光标签L的真实性存在怀疑。顾客G经由手机H通过可信服务器6找到与光标签L对应的光标签网络服务器5的网址Http://www.abc.com。顾客G通过手机H对光标签L进行图像采集并从中提取ID信息,并向上述网址的光标签网络服务器5发送对该ID信息的鉴别请求。光标签网络服务器5在收到鉴别请求后生成三元组(562587,t,3),并将其同时发送给光标签L和手机H,其中562587为验证码,t为发送时刻,3代表三秒。光标签L在接收到三元组之后,在自发送时刻t起的3秒内,发出包含验证码562587的光信号。顾客G在接收到三元组之后,存储验证码562587,并接收光标签L的光信号,接着对其解析,将获得的验证信息与存储的验证码562587进行比较。如果发现二者不匹配,则认定光标签L为伪冒光标签。The mall M publishes the information of the merchandise through the optical label L. The customer G wants to purchase the product through the optical label L, but has doubts about the authenticity of the optical label L. The customer G finds the web address Http://www.abc.com of the optical label web server 5 corresponding to the optical label L via the trusted server 6 via the mobile phone H. The customer G performs image collection on the optical tag L by the mobile phone H and extracts ID information therefrom, and transmits an authentication request for the ID information to the optical tag network server 5 of the above-mentioned website. After receiving the authentication request, the optical label network server 5 generates a triplet (562587, t, 3) and sends it to the optical label L and the mobile phone H at the same time, wherein 562587 is a verification code, t is a transmission time, and 3 represents three. second. After receiving the triplet, the optical tag L issues an optical signal including the verification code 562587 within 3 seconds from the transmission time t. After receiving the triplet, the customer G stores the verification code 562587 and receives the optical signal of the optical tag L, and then parses it, and compares the obtained verification information with the stored verification code 562587. If it is found that the two do not match, it is determined that the optical label L is a pseudo-emerging label.
实例2Example 2
商场M通过光标签L发布商品的信息。顾客A、顾客B和顾客C想要通过光标签L购买商品,但是顾客A、顾客B和顾客C对光标签L的真实性存在怀疑,他们各自经由手机P顾客A、P顾客B、P顾客C通过可信服务器6找到与光标签L对应的光标签网络服务器5的网址Http://www.abc.com。顾客A、顾客B和顾客C分别通过P顾客A、P顾客B、P顾客C对光标签L进行图像采集并从中提取ID信息,并向上述网址的光标签网络服务器5发送对该ID信息的鉴别请求。光标签网络服务器5在收到三个鉴别请求后生成三个三元组:The mall M publishes the information of the merchandise through the optical label L. Customer A, Customer B, and Customer C want to purchase the product through the optical label L, but Customer A, Customer B, and Customer C have doubts about the authenticity of the optical label L, and they each via the mobile phone P Customer A , P Customer B , P Customer C finds the URL Http://www.abc.com of the optical label web server 5 corresponding to the optical label L through the trusted server 6. Customer A, customer B, and customer C perform image collection on the optical tag L through P customer A , P customer B , and P customer C , respectively, and extract ID information therefrom, and transmit the ID information to the optical tag network server 5 of the above-mentioned website. Authentication request. The optical label network server 5 generates three triples after receiving three authentication requests:
(562587,14:20:35.345,0.3), (562587, 14:20:35.345, 0.3),
(462782,14:20:36.345,0.3),(462782, 14:20:36.345, 0.3),
(882584,14:20:37.345,0.3),(882584, 14:20:37.345, 0.3),
并将其同时发送给光标签L和P顾客A、P顾客B、P顾客C。光标签L在接收到上述三元组之后,在三个时间区间14:20:35.345至14:20:35.645,14:20:36.345至14:20:36.645,14:20:37.345至14:20:37.645,先后发出包含验证码562587、462782、882584的光信号。P顾客A、P顾客B、P顾客C在接收到各自的三元组之后,分别存储验证码,并在相应的时间区间接收光标签L的光信号,接着对其解析,将获得的验证信息与存储的验证码进行比较。如果发现二者不匹配,则认定光标签L为伪冒光标签。And send it to the optical label L and P customer A , P customer B , and P customer C at the same time . After receiving the above triplet, the optical label L is in three time intervals 14:20:35.345 to 14:20:35.645, 14:20:36.345 to 14:20:36.645, 14:20:37.345 to 14:20. :37.645, which successively emits optical signals including verification codes 562587, 462782, and 882584. P customer A , P customer B , and P customer C respectively store the verification code after receiving the respective triplet, and receive the optical signal of the optical tag L in the corresponding time interval, and then parse the obtained verification information. Compare with the stored verification code. If it is found that the two do not match, it is determined that the optical label L is a pseudo-emerging label.
图6示出了根据本发明的另一个实施例的光标签防伪流程。与图5所示的流程相比,图6所示的流程中由光标签网络服务器5来进行验证操作,而图像采集设备22仅仅用于转发验证信息,不再执行验证操作。Figure 6 illustrates an optical tag anti-counterfeiting process in accordance with another embodiment of the present invention. Compared with the flow shown in FIG. 5, the verification operation is performed by the optical label network server 5 in the flow shown in FIG. 6, and the image collection device 22 is only used to forward the verification information, and the verification operation is no longer performed.
图6中的步骤601、602、603、604、605与图5中的步骤501、502、503、504、505类似,在此不再赘述。The steps 601, 602, 603, 604, and 605 in FIG. 6 are similar to the steps 501, 502, 503, 504, and 505 in FIG. 5, and details are not described herein again.
之后,光标签网络服务器5将三元组(r,t,Δt)发送给与标识信息对应的光标签(步骤606)。光标签网络服务器5不再将三元组(r,t,Δt)发送给图像采集设备22,或者可选地,光标签网络服务器5可以仅将(t,Δt)发送到图像采集设备22。r是验证码。t是发送时刻,其是光标签网络服务器5发送该三元组的时刻,也是验证码r的有效期的起始时刻。Δt是时间增量,用于与发送时刻t一起来确定验证码r的有效期的终止时刻(t+Δt)。因此,时间区间[t,t+Δt]可以作为验证码r的有效期,在该有效期中验证码r是有效的。Thereafter, the optical tag network server 5 transmits the triplet (r, t, Δt) to the optical tag corresponding to the identification information (step 606). The optical label network server 5 no longer transmits the triplet (r, t, Δt) to the image acquisition device 22, or alternatively, the optical label network server 5 may only send (t, Δt) to the image acquisition device 22. r is the verification code. t is the transmission time, which is the time at which the optical tag network server 5 transmits the triplet, and is also the starting time of the validity period of the verification code r. Δt is a time increment for determining the end time (t + Δt) of the validity period of the verification code r together with the transmission time t. Therefore, the time interval [t, t + Δt] can be used as the validity period of the verification code r, in which the verification code r is valid.
与标识信息对应的光标签在接收到三元组(r,t,Δt)后,将验证码r在其上呈现出来(步骤607)。优选地,与标识信息对应的光标签在接收到三元组(r,t,Δt)后立即呈现验证码r。在一个实施例中,与标识信息对应的光标签可以在时间区间[t,t+Δt]中的任意时刻呈现验证码r。与标识信息对应的光标签可以通过一次显示来呈现验证码r,或者也可以通过多次显示来呈现验证码r。在多次显示的情况下,用户21可以通过图像采集设备22连续采集光标签23的多帧图像(其中可能会包含序列号、时间戳等,以避免图像帧的重复、遗漏等),并基于该多帧图像来获得相应的验证信息。 在呈现验证码r时,与标识信息对应的光标签可以用任何一种标识方式构建标记V,来标识当前显示的是验证码r,而非其他数据。与标识信息对应的光标签可以仅仅呈现一次验证码r(如上文所述,验证码r的每次呈现可能涉及与标识信息对应的光标签的多次显示),也可以在时间区间[t,t+Δt]内以连续的方式或间隔的方式多次呈现验证码r。After receiving the triplet (r, t, Δt), the optical tag corresponding to the identification information presents the verification code r thereon (step 607). Preferably, the optical tag corresponding to the identification information presents the verification code r immediately after receiving the triplet (r, t, Δt). In one embodiment, the optical tag corresponding to the identification information may present the verification code r at any time in the time interval [t, t + Δt]. The optical tag corresponding to the identification information may present the verification code r by one display, or may also present the verification code r by multiple display. In the case of multiple displays, the user 21 may continuously collect multiple frames of the optical tag 23 through the image capturing device 22 (which may include a serial number, a time stamp, etc., to avoid duplication, omission, etc. of the image frame), and based on The multi-frame image is used to obtain corresponding verification information. When the verification code r is presented, the optical label corresponding to the identification information may be constructed with the marking V in any one of the identification manners to identify that the verification code r is currently displayed instead of other data. The optical tag corresponding to the identification information may only present the verification code r once (as described above, each presentation of the verification code r may involve multiple displays of the optical tag corresponding to the identification information), or may be in the time interval [t, The verification code r is presented multiple times in a continuous manner or in an interval within t+Δt].
在用户21向光标签网络服务器5提出鉴别光标签23的请求(步骤604)之后,可以通过图像采集设备22持续对光标签23进行图像采集(例如,至少持续采集一个特定的时间段)。或者,在光标签网络服务器5将(t,Δt)发送到图像采集设备22的情况下,图像采集设备22在接收到(t,Δt)后,在时间区间[t,t+Δt]内对光标签23进行图像采集。在采集到的光标签23的各帧图像中,选择标注有标记V的一个或多个帧,并从该一个或多个帧中提取验证信息r’(步骤608)。After the user 21 makes a request to the optical tag network server 5 to authenticate the optical tag 23 (step 604), the optical tag 23 may continue to be image acquired by the image capture device 22 (e.g., at least continuously for a particular period of time). Alternatively, in the case where the optical label network server 5 transmits (t, Δt) to the image pickup device 22, the image pickup device 22, after receiving (t, Δt), is within the time interval [t, t + Δt] The optical tag 23 performs image acquisition. In each frame image of the acquired optical tag 23, one or more frames marked with a tag V are selected, and verification information r' is extracted from the one or more frames (step 608).
光标签网络服务器5从用户的图像采集设备22接收验证信息r’(步骤609)。如果光标签网络服务器5未能从图像采集设备22接收到验证信息r’,例如图像采集设备22告知在时间区间[t,t+Δt]内未能从光标签23获得验证信息r’(例如,未发现含有标记V的图像帧),则此时光标签网络服务器5可以认为光标签23并未从光标签网络服务器5接收到三元组(r,t,Δt),因此,可以判断光标签23是非法的或伪冒的。The optical tag network server 5 receives the authentication information r' from the user's image capturing device 22 (step 609). If the optical tag network server 5 fails to receive the verification information r' from the image acquisition device 22, for example, the image acquisition device 22 informs that the verification information r' has not been obtained from the optical tag 23 within the time interval [t, t + Δt] (eg If the image frame containing the mark V is not found, the optical tag network server 5 can think that the optical tag 23 does not receive the triplet (r, t, Δt) from the optical tag network server 5, and therefore, the optical tag can be judged. 23 is illegal or fake.
光标签网络服务器5可以将验证信息r’与验证码r进行比较(步骤610),如果二者匹配则认为光标签23是真实的或合法的(步骤611),否则认为光标签23是伪冒的或非法的(步骤612)。在一个实施例中,二者相互匹配是指二者相同。在其他实施例中,二者相互匹配并不要求二者完全相同,只要二者之间存在某种预定的关系或关联即可。光标签网络服务器5可以在对光标签23进行鉴别后将鉴别结果发送给用户。The optical label network server 5 can compare the verification information r' with the verification code r (step 610), and if the two match, the optical label 23 is considered to be authentic or legal (step 611), otherwise the optical label 23 is considered to be fake. Or illegal (step 612). In one embodiment, matching the two means that they are the same. In other embodiments, the two match each other and do not require the two to be identical, as long as there is some predetermined relationship or association between the two. The optical label network server 5 can transmit the authentication result to the user after authenticating the optical tag 23.
在一个实施例中,发送时刻t可以不是光标签网络服务器5发送该三元组的时刻,相反,其可以被替代为指定与标识信息对应的光标签在其上呈现验证码r的时刻t’或能够呈现验证码r的起始时刻t’。光标签可以在接收到验证码r和该时刻t’之后在该时刻t’呈现验证码r或在时间区间[t’,t’+Δt]内的任意时刻呈现验证码r。In one embodiment, the transmission time t may not be the time at which the optical tag network server 5 transmits the triplet. Instead, it may be replaced by the time t' at which the optical tag corresponding to the identification information is presented with the verification code r. Or can present the starting time t' of the verification code r. The optical tag may present the verification code r at the time t' after receiving the verification code r and the time t' or present the verification code r at any time within the time interval [t', t' + Δt].
在一个实施例中,光标签网络服务器5可以不指定发送时刻t和时间 增量Δt,而是直接指定验证码r的有效期的终止时刻,并将验证码r和该终止时刻发送到与标识信息对应的光标签。与标识信息对应的光标签可以在接收到验证码r和终止时刻之后立即呈现验证码r,也可以在终止时刻之前的任意时刻呈现验证码r。该终止时刻也可以被发送到图像采集设备22,从而图像采集设备22可以在终止时刻之前对光标签23连续进行图像采集。In one embodiment, the optical label network server 5 may not specify the transmission time t and time. The increment Δt, but directly specifies the end time of the validity period of the verification code r, and transmits the verification code r and the termination time to the optical tag corresponding to the identification information. The optical tag corresponding to the identification information may present the verification code r immediately after receiving the verification code r and the termination time, or may present the verification code r at any time before the termination time. The termination time can also be sent to the image acquisition device 22 so that the image acquisition device 22 can continuously perform image acquisition on the optical tag 23 prior to the termination time.
在一个实施例中,光标签网络服务器5甚至可以不指定验证码r的有效期的终止时刻,而仅将验证码r发送到与标识信息对应的光标签。与标识信息对应的光标签可以在接收到验证码r后进行验证码r的一次和多次呈现。图像采集设备22可以在向光标签网络服务器5提出鉴别光标签23的请求(步骤604)之后,对光标签23进行至少预定时间段的连续图像采集。In one embodiment, the optical tag network server 5 may not even specify the end time of the validity period of the verification code r, but only the verification code r to the optical tag corresponding to the identification information. The optical tag corresponding to the identification information may perform one and multiple presentations of the verification code r after receiving the verification code r. The image capture device 22 may perform continuous image acquisition of the optical tag 23 for at least a predetermined period of time after the request to the optical tag network server 5 to authenticate the optical tag 23 (step 604).
在一个实施例中,在光标签网络服务器5执行了对光标签23的一次验证之后,如果在预定的时间段内光标签网络服务器5又收到了其他对该光标签23进行鉴别的请求,则光标签网络服务器5可直接采用之前的一次验证的结果(也即,无需在短时间内对同一个光标签进行重复验证),并可以将相应的验证结果直接发送到提出鉴别请求的用户。该预定的时间段可以根据实际情形、安全性要求等进行不同设置。In one embodiment, after the optical label network server 5 performs one verification of the optical label 23, if the optical label network server 5 receives another request for authenticating the optical label 23 within a predetermined period of time, then The optical label network server 5 can directly adopt the result of the previous verification (that is, it is not necessary to repeatedly verify the same optical label in a short time), and can directly send the corresponding verification result to the user who made the authentication request. The predetermined time period can be set differently according to actual conditions, security requirements, and the like.
本发明的防伪方法不仅可以适用于图1A所示的光标签,还可以适用于其他能够用于传递信息的光标签(或光源),只要该光标签所传递的信息可以随时间发生改变即可。例如,本发明的防伪方法可以适用于基于CMOS的滚动快门效应而通过不同的条纹来传递信息的光源(例如在中国专利公开CN104168060A中所描述的装置)。另外,本发明的防伪方法也可以适用于光标签(或光源)的阵列,只要该阵列所传递的信息可以随时间发生变化即可。The anti-counterfeiting method of the present invention can be applied not only to the optical tag shown in FIG. 1A, but also to other optical tags (or light sources) that can be used to transmit information, as long as the information transmitted by the optical tag can be changed over time. . For example, the anti-counterfeiting method of the present invention can be applied to a light source that transmits information through different stripes based on a rolling shutter effect of CMOS (for example, the device described in Chinese Patent Publication No. CN104168060A). In addition, the anti-counterfeiting method of the present invention can also be applied to an array of optical tags (or light sources) as long as the information transmitted by the array can be changed over time.
另外,本发明的防伪方法中由光标签显示的验证码可以在光标签的一次显示中完全呈现出来(也即,可以包含在图像采集设备所采集的光标签的一帧图像中),也可以在光标签的多次显示中陆续呈现出来。例如,对于某些种类的光标签或其阵列,其在每次显示中传递的信息量可能不足以涵盖整个验证码,在这种情况下,可以在多次显示中陆续呈现该验证码(也即,通过 光标签的连续多次显示来传递验证码)。而用户可以通过图像采集设备连续采集光标签的多帧图像,并基于该多帧图像来获得相应的验证信息。为了标识当前显示的是验证码,而非其他数据,也可以在所述多帧图像中包含相应的标识位,或者选择一些帧作为标识帧。In addition, the verification code displayed by the optical label in the anti-counterfeiting method of the present invention may be completely presented in one display of the optical label (that is, may be included in one frame image of the optical label collected by the image acquisition device), or It appears in multiple displays of optical tags. For example, for some types of optical tags or arrays thereof, the amount of information that is passed in each display may not be sufficient to cover the entire verification code, in which case the verification code may be presented in multiple displays (also That is, through The light label is displayed multiple times in succession to pass the verification code). The user can continuously collect the multi-frame image of the optical tag through the image capturing device, and obtain corresponding verification information based on the multi-frame image. In order to identify that the currently displayed verification code is not other data, the corresponding identification bit may be included in the multi-frame image, or some frames may be selected as the identification frame.
本说明书中针对“各个实施例”、“一些实施例”、“一个实施例”、或“实施例”等的参考指代的是结合所述实施例所描述的特定特征、结构、或性质包括在至少一个实施例中。因此,短语“在各个实施例中”、“在一些实施例中”、“在一个实施例中”、或“在实施例中”等在整个说明书中各地方的出现并非必须指代相同的实施例。此外,特定特征、结构、或性质可以在一个或多个实施例中以任何合适方式组合。因此,结合一个实施例中所示出或描述的特定特征、结构或性质可以整体地或部分地与一个或多个其他实施例的特征、结构、或性质无限制地组合,只要该组合不是非逻辑性的或不能工作。References in the specification to "individual embodiments," "some embodiments," "one embodiment," or "an embodiment" or "an" In at least one embodiment. Thus, appearances of the phrases "in the various embodiments", "in some embodiments", "in one embodiment", or "in an embodiment" example. Furthermore, the particular features, structures, or properties may be combined in any suitable manner in one or more embodiments. Thus, the particular features, structures, or properties shown or described in connection with one embodiment may be combined, in whole or in part, with the features, structures, or properties of one or more other embodiments without limitation, as long as the combination is not Logical or not working.
在本申请中为了清楚说明,以一定的顺序描述了一些示意性的操作步骤,但本领域技术人员可以理解,这些操作步骤中的每一个并非是必不可少的,其中的一些步骤可以被省略或者被其他步骤替代。这些操作步骤也并非必须以所示的方式依次执行,相反,这些操作步骤中的一些可以根据实际需要以不同的顺序执行,或者并行执行,只要新的执行方式不是非逻辑性的或不能工作。另外,在本发明中所传输或接收的信息可以根据实际需要进行适当的加密。相应地,涉及加密信息的传输或接收的部件可以具有对应的加密解密模块。In the present application, some illustrative operational steps are described in a certain order for clarity of explanation, but those skilled in the art will appreciate that each of these operational steps is not essential, and some of the steps may be omitted. Or be replaced by other steps. These operational steps are not necessarily required to be performed sequentially in the manner shown. Instead, some of these operational steps may be performed in a different order depending on actual needs, or performed in parallel, as long as the new execution mode is not non-logical or inoperable. In addition, the information transmitted or received in the present invention can be appropriately encrypted according to actual needs. Accordingly, the components involved in the transmission or reception of the encrypted information may have corresponding encryption and decryption modules.
由此描述了本发明的至少一个实施例的几个方面,可以理解,对本领域技术人员来说容易地进行各种改变、修改和改进。这种改变、修改和改进意于在本发明的精神和范围内。 Having thus described several aspects of at least one embodiment of the present invention, it is understood that various changes, modifications and improvements can be readily made by those skilled in the art. Such changes, modifications, and improvements are intended to be within the spirit and scope of the invention.

Claims (31)

  1. 一种用于光通信装置的防伪方法,包括:An anti-counterfeiting method for an optical communication device, comprising:
    第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;The first server receives an authentication request for the optical communication device to be authenticated from the image collection device of the user, where the authentication request includes identification information of the optical communication device;
    第一服务器确定与所述标识信息对应的光通信装置;Determining, by the first server, an optical communication device corresponding to the identification information;
    第一服务器响应于所述鉴别请求生成验证码;以及The first server generates a verification code in response to the authentication request;
    第一服务器将所述验证码发送到所述图像采集设备以及与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码,以使得所述用户能够基于通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集时获得的信息与所述图像采集设备接收的所述验证码来判断所述待鉴别的光通信装置的真伪。Transmitting, by the first server, the verification code to the image collection device and the optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code, so that the user The authenticity of the optical communication device to be authenticated can be determined based on information obtained by performing image acquisition on the optical communication device to be identified by the image acquisition device and the verification code received by the image collection device.
  2. 根据权利要求1所述的防伪方法,其中,当所述待鉴别的光通信装置是与所述标识信息对应的光通信装置时,所述用户能够通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集来获得所述验证码。The anti-counterfeiting method according to claim 1, wherein when the optical communication device to be authenticated is an optical communication device corresponding to the identification information, the user can use the image acquisition device to identify the to-be-identified The optical communication device performs image acquisition to obtain the verification code.
  3. 根据权利要求1所述的防伪方法,在第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求之前,还包括:The anti-counterfeiting method according to claim 1, before the first server receives the authentication request for the optical communication device to be authenticated from the image collecting device of the user, the method further includes:
    第二服务器从所述用户的图像采集设备接收所述标识信息;以及The second server receives the identification information from the image collection device of the user;
    第二服务器基于所述标识信息查询所述第一服务器的网络地址,并将该网络地址发送给所述图像采集设备。The second server queries the network address of the first server based on the identifier information, and sends the network address to the image collection device.
  4. 根据权利要求1-3中任一项所述的防伪方法,其中,The anti-counterfeiting method according to any one of claims 1 to 3, wherein
    第一服务器在生成验证码时还指定该验证码的有效期,并将该有效期也发送到所述图像采集设备以及与所述标识信息对应的光通信装置,与所述标识信息对应的光通信装置在所述有效期内呈现所述验证码。The first server further specifies an expiration date of the verification code when generating the verification code, and sends the validity period to the image collection device and the optical communication device corresponding to the identification information, and the optical communication device corresponding to the identification information. The verification code is presented during the validity period.
  5. 根据权利要求4所述的防伪方法,其中,The anti-counterfeiting method according to claim 4, wherein
    第一服务器针对不同用户的针对所述待鉴别的光通信装置的鉴别请求,生成具有不同的有效期的不同的验证码。 The first server generates different verification codes having different expiration dates for the authentication requests of the different users for the optical communication device to be authenticated.
  6. 根据权利要求5所述的防伪方法,其中,The anti-counterfeiting method according to claim 5, wherein
    所述不同的有效期不相互重叠。The different expiration dates do not overlap each other.
  7. 一种服务器,其被配置为用于执行权利要求1-6中任一项所述的防伪方法。A server configured to perform the anti-counterfeiting method of any one of claims 1-6.
  8. 一种用于光通信装置的防伪系统,包括:An anti-counterfeiting system for an optical communication device, comprising:
    第一服务器,其被配置为:The first server, which is configured to:
    从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;Receiving, from the image collection device of the user, an authentication request for the optical communication device to be authenticated, where the authentication request includes identification information of the optical communication device;
    确定与所述标识信息对应的光通信装置;Determining an optical communication device corresponding to the identification information;
    响应于所述鉴别请求生成验证码;以及Generating a verification code in response to the authentication request;
    将所述验证码发送到所述图像采集设备以及与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码,以使得所述用户能够基于通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集时获得的信息与所述图像采集设备接收的所述验证码来判断所述待鉴别的光通信装置的真伪。Transmitting the verification code to the image collection device and the optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code to enable the user to pass the verification The image acquisition device determines the authenticity of the optical communication device to be authenticated by using the information obtained during image acquisition of the optical communication device to be identified and the verification code received by the image collection device.
  9. 根据权利要求8所述的防伪系统,还包括:The anti-counterfeiting system according to claim 8, further comprising:
    与所述标识信息对应的光通信装置,其包括控制器和光源,所述控制器被配置为:An optical communication device corresponding to the identification information, comprising a controller and a light source, the controller being configured to:
    在与所述标识信息对应的光通信装置从所述第一服务器接收到所述验证码之后,控制所述光源呈现所述验证码。After the optical communication device corresponding to the identification information receives the verification code from the first server, the light source is controlled to present the verification code.
  10. 根据权利要求8所述的防伪系统,还包括:The anti-counterfeiting system according to claim 8, further comprising:
    第二服务器,其被配置为:a second server configured to:
    从所述用户的图像采集设备接收所述标识信息;以及Receiving the identification information from an image collection device of the user;
    基于所述标识信息查询所述第一服务器的网络地址,并将该网络地址发送给所述图像采集设备。 Querying a network address of the first server based on the identifier information, and sending the network address to the image collection device.
  11. 根据权利要求8-10中任一项所述的防伪系统,其中,The anti-counterfeiting system according to any one of claims 8 to 10, wherein
    第一服务器在生成验证码时还指定该验证码的有效期,并将该有效期也发送到所述图像采集设备以及与所述标识信息对应的光通信装置,与所述标识信息对应的光通信装置在所述有效期内呈现所述验证码。The first server further specifies an expiration date of the verification code when generating the verification code, and sends the validity period to the image collection device and the optical communication device corresponding to the identification information, and the optical communication device corresponding to the identification information. The verification code is presented during the validity period.
  12. 根据权利要求11所述的防伪系统,其中,The anti-counterfeiting system according to claim 11, wherein
    第一服务器针对不同用户的针对所述待鉴别的光通信装置的鉴别请求,生成具有不同的有效期的不同的验证码。The first server generates different verification codes having different expiration dates for the authentication requests of the different users for the optical communication device to be authenticated.
  13. 根据权利要求12所述的防伪系统,其中,The anti-counterfeiting system according to claim 12, wherein
    所述不同的有效期不相互重叠。The different expiration dates do not overlap each other.
  14. 一种用于光通信装置的防伪方法,包括:An anti-counterfeiting method for an optical communication device, comprising:
    从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;Sending, from the image collection device of the user, an authentication request for the optical communication device to be authenticated to the first server, where the authentication request includes the identification information of the optical communication device;
    通过所述图像采集设备从所述第一服务器接收验证码,其中,所述验证码也被所述第一服务器发送给了与所述标识信息对应的光通信装置以供该光通信装置呈现;以及Receiving, by the image collecting device, a verification code from the first server, where the verification code is also sent by the first server to an optical communication device corresponding to the identification information for presentation by the optical communication device; as well as
    所述图像采集设备基于对所述待鉴别的光通信装置进行图像采集时获得的信息与从所述第一服务器接收的验证码来判断所述待鉴别的光通信装置的真伪。The image acquisition device determines the authenticity of the optical communication device to be authenticated based on information obtained when image acquisition is performed on the optical communication device to be authenticated and a verification code received from the first server.
  15. 根据权利要求14所述的防伪方法,在从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求之前,还包括:The anti-counterfeiting method according to claim 14, further comprising: before transmitting the authentication request for the optical communication device to be authenticated from the image collecting device of the user to the first server,
    所述图像采集设备将所述标识信息发送到第二服务器以查询所述第一服务器的网络地址;以及The image collection device sends the identification information to a second server to query a network address of the first server;
    所述图像采集设备从所述第二服务器接收所述网络地址。The image acquisition device receives the network address from the second server.
  16. 根据权利要求14或15所述的防伪方法,还包括: The anti-counterfeiting method according to claim 14 or 15, further comprising:
    通过所述图像采集设备从所述第一服务器接收所述验证码的有效期,其中,所述图像采集设备在所述有效期内对所述待鉴别的光通信装置进行图像采集以获得所述信息。Receiving, by the image collection device, an expiration date of the verification code from the first server, wherein the image acquisition device performs image acquisition on the optical communication device to be authenticated to obtain the information during the validity period.
  17. 根据权利要求16所述的防伪方法,其中,The anti-counterfeiting method according to claim 16, wherein
    所述有效期与其他用户通过相应的图像采集设备从所述第一服务器接收到的验证码的有效期不相互重叠。The validity period does not overlap with the validity period of the verification code received by the other users from the first server through the corresponding image collection device.
  18. 一种图像采集设备,其包括图像采集元件、处理器和存储器,所述存储器中存储有计算机程序,所述计算机程序在被所述处理器执行时能够用于实现权利要求14-17中任一项所述的防伪方法。An image capture device comprising an image acquisition component, a processor and a memory, wherein the memory stores a computer program, the computer program, when executed by the processor, can be used to implement any of claims 14-17 The anti-counterfeiting method described in the item.
  19. 一种用于光通信装置的防伪方法,包括:An anti-counterfeiting method for an optical communication device, comprising:
    第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;The first server receives an authentication request for the optical communication device to be authenticated from the image collection device of the user, where the authentication request includes identification information of the optical communication device;
    第一服务器确定与所述标识信息对应的光通信装置;Determining, by the first server, an optical communication device corresponding to the identification information;
    第一服务器响应于所述鉴别请求生成验证码;The first server generates a verification code in response to the authentication request;
    第一服务器将所述验证码发送到与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码;The first server sends the verification code to the optical communication device corresponding to the identification information, and instructs the optical communication device corresponding to the identification information to present the verification code;
    第一服务器从用户的图像采集设备接收对所述待鉴别的光通信装置进行图像采集时获得的信息;以及The first server receives, from the image collection device of the user, information obtained when image acquisition is performed on the optical communication device to be authenticated;
    第一服务器将所述信息与所述验证码进行比较以判断所述待鉴别的光通信装置的真伪。The first server compares the information with the verification code to determine the authenticity of the optical communication device to be authenticated.
  20. 根据权利要求19所述的防伪方法,其中,当所述待鉴别的光通信装置是与所述标识信息对应的光通信装置时,所述用户能够通过所述图像采集设备对所述待鉴别的光通信装置进行图像采集来获得所述验证码。The anti-counterfeiting method according to claim 19, wherein when the optical communication device to be authenticated is an optical communication device corresponding to the identification information, the user can use the image acquisition device to identify the to-be-identified The optical communication device performs image acquisition to obtain the verification code.
  21. 根据权利要求19所述的防伪方法,在第一服务器从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求之前,还包括: The anti-counterfeiting method according to claim 19, before the first server receives the authentication request for the optical communication device to be authenticated from the image collecting device of the user, the method further includes:
    第二服务器从所述用户的图像采集设备接收所述标识信息;以及The second server receives the identification information from the image collection device of the user;
    第二服务器基于所述标识信息查询所述第一服务器的网络地址,并将该网络地址发送给所述图像采集设备。The second server queries the network address of the first server based on the identifier information, and sends the network address to the image collection device.
  22. 根据权利要求19-21中任一项所述的防伪方法,其中,The anti-counterfeiting method according to any one of claims 19 to 21, wherein
    第一服务器在生成验证码时还指定该验证码的有效期,并将该有效期也发送到与所述标识信息对应的光通信装置,以指示与所述标识信息对应的光通信装置在所述有效期内呈现所述验证码。The first server further specifies an expiration date of the verification code when generating the verification code, and sends the validity period to the optical communication device corresponding to the identification information to indicate that the optical communication device corresponding to the identification information is in the validity period. The verification code is presented within.
  23. 一种服务器,其被配置为用于执行权利要求19-22中任一项所述的防伪方法。A server configured to perform the anti-counterfeiting method of any one of claims 19-22.
  24. 一种用于光通信装置的防伪系统,包括:An anti-counterfeiting system for an optical communication device, comprising:
    第一服务器,其被配置为:The first server, which is configured to:
    从用户的图像采集设备接收针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;Receiving, from the image collection device of the user, an authentication request for the optical communication device to be authenticated, where the authentication request includes identification information of the optical communication device;
    确定与所述标识信息对应的光通信装置;Determining an optical communication device corresponding to the identification information;
    响应于所述鉴别请求生成验证码;Generating a verification code in response to the authentication request;
    将所述验证码发送到与所述标识信息对应的光通信装置,并指示与所述标识信息对应的光通信装置呈现所述验证码;Sending the verification code to the optical communication device corresponding to the identification information, and instructing the optical communication device corresponding to the identification information to present the verification code;
    从用户的图像采集设备接收对所述待鉴别的光通信装置进行图像采集时获得的信息;以及Receiving, from an image collection device of the user, information obtained when image acquisition is performed on the optical communication device to be identified;
    将所述信息与所述验证码进行比较以判断所述待鉴别的光通信装置的真伪。Comparing the information with the verification code to determine the authenticity of the optical communication device to be authenticated.
  25. 根据权利要求24所述的防伪系统,还包括:The anti-counterfeiting system of claim 24, further comprising:
    与所述标识信息对应的光通信装置,其包括控制器和光源,所述控制器被配置为:An optical communication device corresponding to the identification information, comprising a controller and a light source, the controller being configured to:
    在与所述标识信息对应的光通信装置从所述第一服务器接收到所述验证码之后,控制所述光源呈现所述验证码。 After the optical communication device corresponding to the identification information receives the verification code from the first server, the light source is controlled to present the verification code.
  26. 根据权利要求24所述的防伪系统,还包括:The anti-counterfeiting system of claim 24, further comprising:
    第二服务器,其被配置为:a second server configured to:
    从所述用户的图像采集设备接收所述标识信息;以及Receiving the identification information from an image collection device of the user;
    基于所述标识信息查询所述第一服务器的网络地址,并将该网络地址发送给所述图像采集设备。Querying a network address of the first server based on the identifier information, and sending the network address to the image collection device.
  27. 根据权利要求24-26中任一项所述的防伪系统,其中,The anti-counterfeiting system according to any one of claims 24 to 26, wherein
    第一服务器在生成验证码时还指定该验证码的有效期,并将该有效期也发送到与所述标识信息对应的光通信装置,以指示与所述标识信息对应的光通信装置在所述有效期内呈现所述验证码。The first server further specifies an expiration date of the verification code when generating the verification code, and sends the validity period to the optical communication device corresponding to the identification information to indicate that the optical communication device corresponding to the identification information is in the validity period. The verification code is presented within.
  28. 一种用于光通信装置的防伪方法,包括:An anti-counterfeiting method for an optical communication device, comprising:
    从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求,所述鉴别请求中包括光通信装置的标识信息;Sending, from the image collection device of the user, an authentication request for the optical communication device to be authenticated to the first server, where the authentication request includes the identification information of the optical communication device;
    在发送所述请求之后,所述图像采集设备对所述待鉴别的光通信装置进行图像采集以获得信息;以及After transmitting the request, the image acquisition device performs image acquisition on the optical communication device to be authenticated to obtain information;
    所述图像采集设备将所述信息发送到所述第一服务器,所述信息能够被所述第一服务器使用来判断所述待鉴别的光通信装置的真伪。The image collection device transmits the information to the first server, and the information can be used by the first server to determine the authenticity of the optical communication device to be authenticated.
  29. 根据权利要求28所述的防伪方法,在从用户的图像采集设备向第一服务器发送针对待鉴别的光通信装置的鉴别请求之前,还包括:The anti-counterfeiting method according to claim 28, before the sending of the authentication request for the optical communication device to be authenticated to the first server from the image collecting device of the user, the method further includes:
    所述图像采集设备将所述标识信息发送到第二服务器以查询所述第一服务器的网络地址;以及The image collection device sends the identification information to a second server to query a network address of the first server;
    所述图像采集设备从所述第二服务器接收所述网络地址。The image acquisition device receives the network address from the second server.
  30. 根据权利要求28或29所述的防伪方法,还包括:The anti-counterfeiting method according to claim 28 or 29, further comprising:
    通过所述图像采集设备从所述第一服务器接收一有效期,其中,所述图像采集设备在所述有效期内对所述待鉴别的光通信装置进行图像采集以获得所述信息。 Receiving, by the image collecting device, an expiration date from the first server, wherein the image capturing device performs image acquisition on the optical communication device to be authenticated to obtain the information during the validity period.
  31. 一种图像采集设备,其包括图像采集元件、处理器和存储器,所述存储器中存储有计算机程序,所述计算机程序在被所述处理器执行时能够用于实现权利要求28-30中任一项所述的防伪方法。 An image capture device comprising an image acquisition component, a processor and a memory, wherein the memory stores a computer program, which, when executed by the processor, can be used to implement any of claims 28-30 The anti-counterfeiting method described in the item.
PCT/CN2017/099649 2016-08-30 2017-08-30 Active-response-based anti-counterfeiting method and system for optical communication device WO2018041139A1 (en)

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