WO2018228051A1 - Procédé, appareil et système d'accès à un dispositif - Google Patents

Procédé, appareil et système d'accès à un dispositif Download PDF

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Publication number
WO2018228051A1
WO2018228051A1 PCT/CN2018/083872 CN2018083872W WO2018228051A1 WO 2018228051 A1 WO2018228051 A1 WO 2018228051A1 CN 2018083872 W CN2018083872 W CN 2018083872W WO 2018228051 A1 WO2018228051 A1 WO 2018228051A1
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WIPO (PCT)
Prior art keywords
ipc
access
nvr
identifier
message
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Application number
PCT/CN2018/083872
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English (en)
Chinese (zh)
Inventor
郑明淋
Original Assignee
杭州海康威视数字技术股份有限公司
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Publication of WO2018228051A1 publication Critical patent/WO2018228051A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present application relates to the field of security monitoring technologies, and in particular, to a device access method, device and system.
  • monitoring images are usually obtained through a monitoring system and display of monitoring images.
  • the monitoring system mainly includes a Network Video Recorder (NVR) and at least one Internet Protocol Camera (IPC).
  • NVR Network Video Recorder
  • IPC Internet Protocol Camera
  • the NVR is provided with a WIreless-Fidelity (WIFI) access point (AP), and the IPC has a WIFI connection function.
  • WIFI WIreless-Fidelity
  • AP WIreless-Fidelity
  • the IPC is associated with the NVR by connecting to the WIFI AP.
  • the IPC is used to transmit the acquired monitoring image to the NVR, and the NVR is used to display the monitoring image. In this process, the user needs to perform more operations, and the process is cumbersome.
  • the related art has a device access method, in which the mobile phone sends a coded message to the IPC after receiving the operation command triggered by the user, and the coded message includes a preset service set identifier of the WIFI AP. (Service Set Identifier, SSID) and the access key of the IPC accessing the WIFI network.
  • the IPC decodes the encoded message by using a corresponding decoding rule to obtain an SSID and an access key.
  • the IPC sends the decoded SSID and access key to the NVR.
  • the NVR determines that the SSID sent by the IPC is the same as the preset SSID, the NVR allows the access authentication operation to be performed on the IPC, and the process is a pre-authentication process. Afterwards, the NVR performs an access authentication operation on the IPC based on the access key sent by the IPC. If the authentication is successful, the IPC is successfully associated with the NVR.
  • the above process needs to complete the pre-authentication process after the mobile phone receives the operation instruction triggered by the user, and the device cannot be automatically pre-authenticated.
  • the pre-authentication process is still cumbersome.
  • the embodiment of the present invention provides a device access method, device, and system, which can solve the problem that the device cannot be automatically pre-authenticated in the related art, and the pre-authentication process is still cumbersome.
  • the technical solution is as follows:
  • a device access method for a network hard disk recorder NVR, where the NVR is provided with a wireless fidelity WIFI access point AP, and the method includes:
  • the preset identifier set Detecting, in the preset identifier set, whether an identifier of the IPC in the access request message exists, where the preset identifier set includes an identifier of an IPC managed by the NVR;
  • the access authentication operation is allowed to be performed on the IPC.
  • the notification message includes a first access key, where the first access key is obtained by encrypting an original access key that is accessed by the NVR to the WIFI AP,
  • the method further includes:
  • the method further includes:
  • the status response message is used to indicate that the device status of the first IPC is a fault state, and the first IPC is any IPC managed by the NVR;
  • the identifier of the first IPC is deleted from the preset identifier set, and the identifier of the backup IPC of the first IPC is added to the preset identifier set.
  • the periodic broadcast notification message includes:
  • the beacon frame is periodically broadcast, and the beacon frame is used to indicate the notification message.
  • the performing the access authentication operation on the IPC based on the original access key includes:
  • the method before the periodically broadcasting the notification message, the method further includes:
  • the identifier of the IPC is a product serial number of the IPC.
  • the method before the receiving the associated message sent by the IPC, the method further includes:
  • a device access method for a network camera IPC, where the method includes:
  • the notification message includes the identifier of the preset WIFI AP, periodically broadcasting an access request message, where the access request message includes an identifier of the IPC.
  • the notification message includes a first access key, where the first access key is obtained by encrypting an original access key that is accessed by the NVR to the WIFI AP,
  • the method further includes:
  • the notification message includes the identifier of the WIFI AP
  • the first access key in the notification message is decrypted to obtain a second access key.
  • the periodic broadcast access request message includes:
  • the probe request frame is periodically broadcasted, and the probe request frame is used to indicate the access request message.
  • the method further includes:
  • the performing the access authentication operation based on the second access key includes:
  • the second association response message is used to indicate that the IPC is associated with the NVR, and the second association response message is that the NVR is determining the association.
  • the second access key in the message is generated when the second access key is different from the original access key.
  • the method before the sending the association message to the NVR, the method further includes:
  • a device access device for a network hard disk recorder (NVR), the NVR is provided with a wireless fidelity WIFI access point AP, and the device includes:
  • One or more processors are One or more processors.
  • the memory stores one or more programs, the one or more programs being configured to be executed by the one or more processors, the one or more programs including instructions for:
  • an access request message of the network camera IPC broadcast where the access request message includes an identifier of the IPC, where the access request message is generated by the IPC when determining that the notification message includes a preset identifier of a WIFI AP of;
  • the preset identifier set Detecting, in the preset identifier set, whether an identifier of the IPC in the access request message exists, where the preset identifier set includes an identifier of an IPC managed by the NVR;
  • the access authentication operation is allowed to be performed on the IPC.
  • the notification message includes a first access key, where the first access key is obtained by encrypting an original access key that is accessed by the NVR to the WIFI AP,
  • the one or more programs also include instructions for performing the following operations:
  • the one or more programs further include instructions for:
  • the status response message is used to indicate that the device status of the first IPC is a fault state, and the first IPC is any IPC managed by the NVR;
  • the identifier of the first IPC is deleted from the preset identifier set, and the identifier of the backup IPC of the first IPC is added to the preset identifier set.
  • the one or more programs further include instructions for:
  • the beacon frame is periodically broadcast, and the beacon frame is used to indicate the notification message.
  • the one or more programs further include instructions for:
  • the one or more programs further include instructions for:
  • the identifier of the IPC is a product serial number of the IPC.
  • the one or more programs further include instructions for:
  • a device access device for a network camera IPC, and the device includes:
  • One or more processors are One or more processors.
  • the memory stores one or more programs, the one or more programs being configured to be executed by the one or more processors, the one or more programs including instructions for:
  • the notification message includes the identifier of the preset WIFI AP, periodically broadcasting an access request message, where the access request message includes an identifier of the IPC.
  • the notification message includes a first access key, where the first access key is obtained by encrypting an original access key that is accessed by the NVR to the WIFI AP,
  • the one or more programs also include instructions for performing the following operations:
  • the notification message includes the identifier of the WIFI AP
  • the first access key in the notification message is decrypted to obtain a second access key.
  • the one or more programs further include instructions for:
  • the probe request frame is periodically broadcasted, and the probe request frame is used to indicate the access request message.
  • the one or more programs further include instructions for:
  • the one or more programs further include instructions for:
  • the second association response message is used to indicate that the IPC is associated with the NVR, and the second association response message is that the NVR is determining the association.
  • the second access key in the message is generated when the second access key is different from the original access key.
  • the one or more programs further include instructions for:
  • a device access system including an NVR and an IPC.
  • the NVR includes the device access device of any of the third aspects
  • the IPC includes the device access device of any of the fourth aspects.
  • a non-transitory computer readable storage medium having stored therein instructions for causing a computer to execute when the computer readable storage medium is run on a computer
  • the device access method provided by the above first aspect.
  • a computer program product comprising instructions for causing a computer to perform the device access method provided by the first aspect described above when the computer program product is run on a computer.
  • a non-transitory computer readable storage medium having stored therein instructions for causing a computer to execute when the computer readable storage medium is run on a computer
  • the device access method provided by the above second aspect.
  • a computer program product comprising instructions for causing a computer to perform the device access method provided by the second aspect described above when the computer program product is run on a computer.
  • the NVR can periodically broadcast the notification message, and when the notification message includes the identifier of the preset WIFI AP, the IPC periodically broadcasts the access request message, and the access request The message includes the identity of the IPC. Then, the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set, and allows the access authentication operation to be performed on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set. The whole process does not require the mobile phone to receive the operation instructions triggered by the user, and realizes the automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • FIG. 1 is a schematic diagram of an implementation environment involved in a device access method provided in some embodiments of the present application
  • FIG. 2 is a flowchart of a method for a device access method according to an exemplary embodiment
  • FIG. 3 is a flowchart of a method for another device access method according to an exemplary embodiment
  • FIG. 4 is a flowchart of still another method for device access according to an exemplary embodiment
  • FIG. 5 is a flowchart of a method for an NVR performing an access authentication operation on an IPC in the embodiment shown in FIG. 4;
  • FIG. 6 is a block diagram of a device access apparatus according to an exemplary embodiment
  • FIG. 7 is a block diagram of another device access apparatus according to an exemplary embodiment.
  • FIG. 8 is a block diagram of a device access apparatus according to an exemplary embodiment
  • FIG. 9 is a block diagram of another device access device according to an exemplary embodiment.
  • FIG. 10 is a block diagram of still another device access device according to an exemplary embodiment
  • FIG. 11 is a block diagram of still another device access device according to an exemplary embodiment.
  • FIG. 1 it is a schematic diagram of an implementation environment involved in a device access method provided in some embodiments of the present application.
  • the implementation environment can include at least one monitoring system, each monitoring system including an NVR 01 and at least one IPC 02.
  • the NVR01 sets the WIFI AP, and the IPC02 has the WIFI connection function.
  • IPC02 can be associated with NVR01 through a WIFI AP.
  • the IPC02 is used to acquire a monitoring image and transmit the monitoring image to the NVR01.
  • the NVR01 is used to display the monitoring image.
  • NVR01 is used with IPC02. Through NVR01, multiple surveillance images acquired by IPC02 can be viewed, viewed, played back, managed and stored.
  • the embodiment of the present application does not limit the number of monitoring systems, and does not limit the number of IPC02 included in each monitoring system.
  • FIG. 2 is a flowchart of a method for a device access method according to an exemplary embodiment.
  • the device access method may be performed by the NVR 01 in the implementation environment shown in FIG. 1.
  • the method flow may include the following steps:
  • Step 201 Periodically broadcast a notification message.
  • Step 202 Acquire an access request message of an IPC broadcast, where the access request message includes an identifier of the IPC, where the access request message is generated when the IPC is determined to include the identifier of the preset WIFI AP.
  • Step 203 Detect whether there is an identifier of the IPC in the access request message in the preset identifier set, where the preset identifier set includes an identifier of the IPC managed by the NVR.
  • Step 204 When the identifier of the IPC in the access request message exists in the preset identifier set, the access authentication operation is allowed to be performed on the IPC.
  • the NVR can periodically broadcast a notification message to obtain an access request message of the IPC broadcast, where the access request message includes an identifier of the IPC, and the NVR detects whether the preset identifier set is If the identifier of the IPC in the access request message exists, and the identifier of the IPC in the access request message exists in the preset identifier set, the access authentication operation is allowed to be performed on the IPC.
  • the access request message is generated by the IPC when the notification message of the acquired NVR broadcast includes the identifier of the preset WIFI AP, and the entire process does not require the mobile phone to receive the operation instruction triggered by the user, thereby realizing automatic pre-authentication of the device, simplifying the pre-implementation. Certification process.
  • FIG. 3 is a flowchart of a method for accessing a device according to an exemplary embodiment.
  • the device access method may be performed by IPC02 in the implementation environment shown in FIG. 1.
  • the method flow may include the following steps:
  • Step 301 Acquire a notification message of an NVR broadcast.
  • Step 302 When the notification message includes the identifier of the preset WIFI AP, periodically broadcast an access request message, where the access request message includes an identifier of the IPC.
  • the IPC can obtain the notification message of the NVR broadcast, and periodically broadcast the access request message when the notification message includes the identifier of the preset WIFI AP, and the access is performed.
  • the request message includes the identifier of the IPC, so that the NVR allows the access authentication operation to be performed on the IPC when the NVR detects the identifier of the IPC in the access request message.
  • the entire process does not require the mobile phone to receive the operation instruction triggered by the user.
  • the device automatically pre-certifies and simplifies the pre-authentication process.
  • FIG. 4 is a flowchart of a method for a device access method according to an exemplary embodiment, and the device access method may be used in the implementation environment shown in FIG. 1.
  • the method flow may include the following steps:
  • Step 401 The NVR establishes a preset identifier set.
  • the preset identifier set includes an identifier of an IPC managed by the NVR.
  • the NVR manages k IPCs, and k ⁇ 2, then the preset identifier set established by the NVR includes the identifiers of k IPCs.
  • the NVR manages five IPCs, and the five IPCs are a first IPC, a second IPC, a third IPC, a fourth IPC, and a fifth IPC, where the identifier of the first IPC is a1, and the second IPC is The identifier is a2, the identifier of the third IPC is a3, the identifier of the fourth IPC is a4, and the identifier of the fifth IPC is a5.
  • the preset identifier set established by the NVR can be as shown in Table 1, and the identifiers of the five IPCs are included in Table 1.
  • the ID of the IPC can be the product serial number of the IPC.
  • each IPC may be assigned a number, and the identifier of each IPC may be the number corresponding to the IPC.
  • the numbers of the first IPC to the fifth IPC are 001, 002, 003, 004, and 005, respectively, and the identifiers of the first IPC to the fifth IPC may be 001, 002, 003, 004, and 005, respectively.
  • the identifier of the IPC may also be in other forms. The embodiment of the present application does not limit the representation of the identifier of the IPC.
  • Step 402 The NVR periodically broadcasts the notification message.
  • the NVR may periodically broadcast a beacon frame, where the beacon frame is used to indicate a notification message, that is, the specific content of the notification message may be determined by the beacon frame.
  • the management frame plays a supervisory role for joining or exiting the wireless network, and processing the transfer of associations between the WIFI APs.
  • the management frame mainly includes a beacon frame, a probe request frame, a probe response frame, an authentication request frame, an authentication response frame, an association request frame, and an association response. (association response) frame.
  • the beacon frame is used to declare the existence of the WIFI network, and periodically sending the beacon frame enables the workstation to know the existence of the WIFI network, so that the workstation can adjust the parameters necessary for joining the WIFI network when it needs to join.
  • the IPC is provided with a workstation through which the IPC communicates with the WIFI AP of the NVR.
  • the workstation uses the probe request frame to scan the WIFI network in the area.
  • the WIFI AP sends a probe response frame to the workstation.
  • the workstation When the workstation receives the probe response frame sent by the WIFI AP, the workstation sends an authentication request frame to the WIFI AP. The WIFI AP then sends an authentication response message to the workstation. After that, the workstation sends an association request frame to the WIFI AP, and the WIFI AP sends an association response frame to the workstation.
  • the frame structures of the beacon frame and the probe request frame each include a plurality of elements, and the structure of each element is as shown in Table 2.
  • Each element includes an element identifier, a payload content length, and a payload content.
  • the element identifier ranges from 1 to 255. Usually, some of the 255 element identifiers are defined and the rest are idle.
  • the identifier of the preset WIFI AP may be added to the beacon frame by using the element identifier in an idle state, and the identifier of the IPC is added to the probe. In the request frame.
  • the location of the identifier of the preset WIFI AP in the beacon frame is not limited, and the location of the identifier of the IPC in the probe request frame is not limited, that is, the element identifier in Table 2 is also It can be between the payload content length and the payload content, or it can be located after the payload content.
  • the identifier of the preset WIFI AP has a length of 1, the content is 0x63 (the data starting with 0x is hexadecimal data), and 7 to 15 of the element identifiers 1 to 255 of the beacon frame are not defined.
  • the element corresponding to the identifier of the WIFI AP to be added may have an element identifier of 8, a payload content length of 1, and a load content of 0x63.
  • Step 403 The IPC detects whether the notification message of the NVR broadcast includes the identifier of the preset WIFI AP.
  • the IPC obtains the notification message of the NVR broadcast, and detects whether the notification message of the NVR broadcast includes the identifier of the preset WIFI AP. For example, the IPC may obtain a notification message from a beacon frame periodically broadcast by the NVR.
  • Step 404 When the notification message includes the identifier of the preset WIFI AP, the IPC periodically broadcasts an access request message, where the access request message includes an identifier of the IPC.
  • the IPC When the notification message broadcast by the NVR includes the identifier of the preset WIFI AP, the IPC periodically broadcasts the access request message.
  • the IPC may periodically broadcast a probe request frame, where the probe request frame is used to indicate an access request message, that is, the specific content of the access request message may be determined by the probe request frame.
  • the IPC when the IPC detects that the obtained notification message includes the identifier of the preset WIFI AP, the IPC periodically broadcasts the access request message, where the access request message includes the identifier of the IPC.
  • the IPC detects that the obtained notification message does not include the identifier of the preset WIFI AP, the IPC does not broadcast the access request message.
  • the IPC refuses to associate with the device that broadcasts the notification message, and the device association process ends. In this way, it is ensured that the IPC workstation only establishes a connection with the preset NVR WIFI AP, and does not establish a connection with other NVR WIFI APs or non-NVR device WIFI APs.
  • the identifier of the WIFI AP can be represented by a plurality of types.
  • the WIFI AP of the NVR can be assigned a number.
  • the identifier of the WIFI AP can be the number of the WIFI AP, and the identifier of the WIFI AP is represented by the embodiment of the present application. Not limited.
  • Step 405 When the notification message includes the identifier of the preset WIFI AP, the IPC decrypts the first access key in the notification message to obtain the second access key.
  • the notification message includes a first access key.
  • the first access key is obtained by the NVR encrypting the original access key accessed to the WIFI AP.
  • the IPC When the IPC detects that the acquired notification message includes the identifier of the preset WIFI AP, the IPC periodically broadcasts the access request message. Further, the IPC decrypts the first access key in the notification message by using a preset decryption rule to obtain a second access key.
  • Step 406 The NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set.
  • the access request message of the IPC broadcast includes the identifier of the IPC, and the identifier of the IPC in the access request message exists in the preset identifier set established in the NVR detection step 401.
  • the NVR allows the access authentication operation for the IPC.
  • the identifier of the IPC in the access request message is a3, and the preset identifier shown in the NVR detection table 1 has a3, and the NVR allows the access authentication operation for the IPC.
  • the identifier of the IPC in the access request message is b1, and the preset ID set shown in the NVR detection table 1 does not exist b1, and the NVR prohibits the access authentication operation on the IPC. In this way, it is ensured that the NVR only allows the access authentication operation of the IPC managed by the NVR, and prevents the NVR from performing access authentication operations on the remaining IPCs, thereby avoiding the disorder of the wireless signals generated by different monitoring systems.
  • the NVR may obtain an access request message broadcast by other mobile devices. At this time, the access request message does not include the identifier of the IPC.
  • the NVR obtains the access request message, it determines that the access request message does not include the identifier of the IPC, and the NVR prohibits the access authentication operation on the device, and the device authentication process ends.
  • Step 407 When the identifier of the IPC in the access request message exists in the preset identifier set, the NVR allows the access authentication operation to be performed on the IPC.
  • the NVR can determine that the IPC of the broadcast access request message is the IPC managed by the NVR, and the NVR allows the access authentication operation to be performed on the IPC. Pre-certification process.
  • Step 408 The NVR sends an access response message to the IPC indicated by the identifier of the IPC.
  • the access response message is used to indicate that the NVR allows an access authentication operation for the IPC.
  • the NVR may send a probe response frame to the IPC indicated by the identifier of the IPC, where the probe response frame is used to indicate an access response message.
  • Step 409 The NVR performs an access authentication operation on the IPC based on the original access key.
  • the notification message broadcast by the NVR in step 402 includes the first access key.
  • the IPC after the IPC receives the access response message sent by the NVR, the IPC performs an access authentication operation based on the second access key obtained in step 405.
  • step 409 may include:
  • Step 4091 The IPC sends an authentication message to the NVR.
  • the authentication message includes encrypted information of the image data to be transmitted.
  • the encrypted information is used by the NVR to decrypt the image data to be transmitted transmitted by the IPC.
  • the authentication message is used to indicate that the IPC is ready to perform an access authentication operation.
  • the IPC may send an authentication request frame to the NVR, where the authentication request frame is used to indicate the authentication message.
  • Step 4092 The NVR sends an authentication response message to the IPC indicated by the identifier of the IPC.
  • the NVR may send an authentication response frame to the IPC indicated by the identifier of the IPC, where the authentication response frame is used to indicate an authentication response message.
  • Step 4093 the IPC sends an association message to the NVR.
  • the association message includes the second access key obtained in step 405.
  • the IPC may send an association request frame to the NVR, where the association request frame is used to indicate the associated message.
  • Step 4094 The NVR detects whether the second access key in the associated message is the same as the original access key. When the second access key is the same as the original access key, step 4095 is performed; when the second access key is different from the original access key, step 4096 is performed.
  • the IPC decrypts the first access key by using a preset decryption rule, and the obtained second access key may or may not be the same as the original access key.
  • the NVR sends a first association response message to the IPC indicated by the identifier of the IPC, where the first association response message is used to indicate the IPC indicated by the identifier of the IPC.
  • the NVR association is successful.
  • the NVR sends a second association response message to the IPC indicated by the identifier of the IPC, where the second association response message is used to indicate the identifier of the IPC.
  • the indicated IPC failed to associate with the NVR.
  • the original access key is F1
  • the first access key obtained by the NVR encrypting the original access key F1 is F0
  • the IPC decrypts F0 by using a preset decryption rule to obtain F2, F2 and If F1 is different, the device association fails.
  • Step 4095 When the second access key is the same as the original access key, the NVR sends a first association response message to the IPC indicated by the identifier of the IPC, where the first association response message is used to indicate that the identifier of the IPC is indicated.
  • the IPC is successfully associated with the NVR.
  • the NVR may send an association response frame to the IPC indicated by the identifier of the IPC, where the association response frame is used to indicate the first association response message.
  • Step 4096 When the second access key is different from the original access key, the NVR sends a second association response message to the IPC indicated by the identifier of the IPC, where the second association response message is used to indicate the identifier of the IPC. The indicated IPC failed to associate with the NVR.
  • the NVR may send an association response frame to the IPC indicated by the identifier of the IPC, where the association response frame is used to indicate the second association response message.
  • Step 410 After receiving the fault indication message sent by the first IPC, or after receiving the status response message returned by the first IPC for the status detection message sent by the NVR, the NVR determines that the first IPC is faulty.
  • the status response message is used to indicate that the device status of the first IPC is a fault status, and the first IPC is any IPC managed by the NVR.
  • the first IPC may actively send a fault indication message to the NVR, and after receiving the fault indication message, the NVR determines that the first IPC is faulty.
  • the NVR may also periodically send a status detection message to the first IPC, and the first IPC sends a status response message to the NVR, where the status response message is used to indicate the device status of the first IPC.
  • the device status may include a normal status. And fault status.
  • Step 411 When it is determined that the first IPC is faulty, the NVR deletes the identifier of the first IPC from the preset identifier set, and adds the identifier of the backup IPC of the first IPC to the preset identifier set.
  • the NVR when an IPC managed by the NVR fails, the NVR can replace the failed IPC to ensure that the IPC managed by the NVR is in an available state.
  • the NVR manages 5 IPCs, which are the first IPC, the second IPC, the third IPC, the fourth IPC, and the fifth IPC, respectively.
  • the identifier of the first IPC is a1, the identifier of the second IPC is a2, the identifier of the third IPC is a3, the identifier of the fourth IPC is a4, and the identifier of the fifth IPC is a5.
  • the NVR deletes a1 from the preset identifier set shown in Table 1, and adds the identifier a6 of the backup IPC of the first IPC to Table 1, and the obtained result is shown in Table 3.
  • the identifiers of the five IPCs managed by the NVR become: a6, a2, a3, a4, and a5.
  • the number of the first IPC may also be multiple, that is, when there are multiple first IPCs that fail, the NVR can delete the identifiers of all the first IPCs that have failed from the preset mark set, and The identifier of the backup IPC of each first IPC is added to the preset identifier set.
  • the NVR can periodically broadcast the notification message, and when the notification message includes the identifier of the preset WIFI AP, the IPC periodically broadcasts the access request message, and the access is performed.
  • the request message includes the identity of the IPC.
  • the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set, and allows the access authentication operation to be performed on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set.
  • the whole process does not require the mobile phone to receive the operation instructions triggered by the user, and realizes the automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • FIG. 6 is a block diagram of a device access device 500 for an NVR according to an exemplary embodiment.
  • the device access device includes:
  • the broadcast module 510 is configured to periodically broadcast a notification message.
  • the obtaining module 520 is configured to obtain an access request message of the IPC broadcast, where the access request message includes an identifier of the IPC, where the access request message is that the IPC determines that the acquired notification message of the NVR broadcast includes the identifier of the preset WIFI AP. Generated.
  • the detecting module 530 is configured to detect whether the identifier of the IPC in the access request message exists in the preset identifier set.
  • the preset identifier set includes an identifier of an IPC managed by the NVR.
  • the first processing module 540 is configured to perform an access authentication operation on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set.
  • the device access device provided by the embodiment of the present application can periodically broadcast a notification message to obtain an access request message of an IPC broadcast, where the access request message includes an identifier of the IPC.
  • the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set, and allows the access authentication operation to be performed on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set.
  • the access request message is generated by the IPC when the notification message of the acquired NVR broadcast includes the identifier of the preset WIFI AP, and the device does not need the mobile phone to receive the operation instruction triggered by the user, thereby realizing automatic pre-authentication of the device, simplifying the pre- Certification process.
  • the notification message includes a first access key, which is obtained by the NVR encrypting the original access key accessed to the WIFI AP. Further, as shown in FIG. 7, the device access device 500 further includes:
  • the sending module 550 is configured to send an access response message to the IPC indicated by the identifier of the IPC.
  • the authentication module 560 is configured to perform an access authentication operation on the IPC based on the original access key.
  • the device access device 500 further includes:
  • the second processing module 570 is configured to:
  • the status response message is used to indicate The device status of the first IPC is a fault state, and the first IPC is any IPC managed by the NVR;
  • the identifier of the first IPC is deleted from the preset identifier set, and the identifier of the backup IPC of the first IPC is added to the preset identifier set.
  • the broadcast module 510 is configured to:
  • the beacon frame is periodically broadcast, and the beacon frame is used to indicate a notification message.
  • the authentication module 560 is configured to:
  • the first association response message is sent to the IPC indicated by the identifier of the IPC, where the first association response message is used to indicate that the IPC indicated by the identifier of the IPC is successfully associated with the NVR. ;
  • the second association response message is sent to the IPC indicated by the identifier of the IPC, where the second association response message is used to indicate that the IPC indicated by the identifier of the IPC is associated with the NVR. failure.
  • the device access device 500 further includes:
  • the establishing module 580 is configured to establish a preset identifier set.
  • the IPC identifier is the product serial number of the IPC.
  • authentication module 560 is further configured to:
  • An authentication response message is sent to the IPC indicated by the identity of the IPC.
  • the device access device provided by the embodiment of the present application can periodically broadcast a notification message to obtain an access request message of an IPC broadcast, where the access request message includes an identifier of the IPC.
  • the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set, and allows the access authentication operation to be performed on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set.
  • the access request message is generated by the IPC when the notification message of the acquired NVR broadcast includes the identifier of the preset WIFI AP, and the device does not need the mobile phone to receive the operation instruction triggered by the user, thereby realizing automatic pre-authentication of the device, simplifying the pre- Certification process.
  • FIG. 8 is a block diagram of a device access device 600 for IPC according to an exemplary embodiment.
  • the device access device includes:
  • the obtaining module 610 is configured to obtain a notification message of the NVR broadcast.
  • the broadcast module 620 is configured to periodically broadcast an access request message when the notification message includes the identifier of the preset WIFI AP, where the access request message includes an identifier of the IPC.
  • the IPC can obtain the notification message of the NVR broadcast, and periodically broadcast the access request message when the notification message includes the identifier of the preset WIFI AP, and the access is performed.
  • the request message includes the identifier of the IPC, so that the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set.
  • the NVR allows the IPC to be connected.
  • the device does not need the mobile phone to receive the operation instruction triggered by the user, and realizes the automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • the notification message includes a first access key, and the first access key is obtained by encrypting the original access key that is accessed by the NVR to the WIFI AP. Further, as shown in FIG.
  • the access device 600 further includes:
  • the decryption module 630 is configured to: when the notification message includes the identifier of the preset WIFI AP, decrypt the first access key in the notification message to obtain the second access key.
  • the broadcast module 620 is configured to:
  • the probe request frame is periodically broadcast, and the probe request frame is used to indicate an access request message.
  • the device access device 600 further includes:
  • the receiving module 640 is configured to receive an access response message sent by the NVR, where the access response message is used to indicate that the NVR allows an access authentication operation on the IPC.
  • the authentication module 650 is configured to perform an access authentication operation based on the second access key.
  • the authentication module 650 is configured to:
  • authentication module 650 is further configured to:
  • the IPC can obtain the notification message of the NVR broadcast, and periodically broadcast the access request message when the notification message includes the identifier of the preset WIFI AP, and the access is performed.
  • the request message includes the identifier of the IPC, so that the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set.
  • the NVR allows the IPC to be connected.
  • the device does not need the mobile phone to receive the operation instruction triggered by the user, and realizes the automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • the embodiment of the present application provides a device access system, where the device access system includes an NVR and an IPC.
  • the NVR includes the device access device shown in FIG. 6 or FIG. 7;
  • the IPC includes the device access device shown in FIG. 8 or 9.
  • the embodiment of the present application further provides a device access device, which is used for an NVR, and the NVR is provided with a WIFI AP, and the device includes:
  • One or more processors are One or more processors.
  • the memory stores one or more programs, the one or more programs configured to be executed by the one or more processors, and configured to be executed by one or more processors by executing the above-described programs
  • the device access method performed by the NVR in the embodiment is not limited to the embodiment.
  • the embodiment of the present application further provides a device access device, which is used for IPC, and the device includes:
  • One or more processors are One or more processors.
  • the memory stores one or more programs, the one or more programs configured to be executed by the one or more processors, and configured by one or more processors to perform IPC in the various embodiments described above The device access method performed.
  • FIG. 10 is a schematic structural diagram of still another device access device 700, which is used in an NVR, and includes:
  • the bus 704 is used to connect to the processor 701, the memory 702, and the network interface 703, and the processor 701 is configured to execute the program 7021. stored in the memory 702.
  • Memory 702 may include high speed random access memory, and may also include non-volatile memory, such as at least one disk storage.
  • the communication connection between the device access device and the IPC is implemented through a network interface 703 (which may be wireless).
  • the processor 701 can execute the program 7021 stored in the memory 702 to implement the NVR, and cause the NVR to perform the following device access method:
  • the preset identifier set Detecting, in the preset identifier set, whether there is an identifier of the IPC in the access request message, where the preset identifier set includes an identifier of the IPC managed by the NVR;
  • the access authentication operation is allowed to be performed on the IPC.
  • the notification message includes a first access key, where the first access key is obtained by encrypting, by the NVR, the original access key that is preset to access the WIFI AP.
  • the method further includes:
  • the access authentication operation is performed on the IPC based on the original access key.
  • the method further includes:
  • the status response message is used to indicate the The device status of an IPC is a fault state, and the first IPC is any IPC managed by the NVR;
  • the identifier of the first IPC is deleted from the preset identifier set, and the identifier of the backup IPC of the first IPC is added to the preset identifier set.
  • the periodic broadcast notification message includes:
  • the beacon frame is periodically broadcast, and the beacon frame is used to indicate a notification message.
  • the access authentication operation is performed on the IPC based on the original access key, including:
  • the first association response message is sent to the IPC indicated by the identifier of the IPC, where the first association response message is used to indicate that the IPC indicated by the identifier of the IPC is successfully associated with the NVR. ;
  • the second association response message is sent to the IPC indicated by the identifier of the IPC, where the second association response message is used to indicate that the IPC indicated by the identifier of the IPC is associated with the NVR. failure.
  • the method before periodically broadcasting the notification message, the method further includes:
  • the IPC identifier is the product serial number of the IPC.
  • the method before receiving the associated message sent by the IPC, the method further includes:
  • the authentication message includes the encrypted information of the image data to be transmitted, and the encrypted information is used by the NVR to decrypt the image data to be transmitted transmitted by the IPC;
  • An authentication response message is sent to the IPC indicated by the identity of the IPC.
  • the device access device provided by the embodiment of the present application can periodically broadcast a notification message to obtain an access request message of an IPC broadcast, where the access request message includes an identifier of the IPC.
  • the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set, and allows the access authentication operation to be performed on the IPC when the identifier of the IPC in the access request message exists in the preset identifier set.
  • the access request message is generated when the IPC determines that the notification message includes the identifier of the preset WIFI AP.
  • the device does not need the mobile phone to receive the operation instruction triggered by the user, and implements automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • FIG. 11 is a schematic structural diagram of another device access apparatus 800 for IPC according to an exemplary embodiment.
  • the device access device 800 can include one or more of the following components: a processing component 801, a memory 802, a power component 803, a multimedia component 804, an audio component 805, an input/output (I/O) interface 806, a sensor Component 807, and communication component 808.
  • a processing component 801 a memory 802
  • a power component 803 a multimedia component 804
  • an audio component 805 an input/output (I/O) interface 806, a sensor Component 807, and communication component 808.
  • I/O input/output
  • Processing component 801 typically controls the overall operation of device 800, such as operations associated with display, data communication, camera operations, and recording operations.
  • Processing component 801 can include one or more processors 810 to execute instructions to perform all or part of the steps described above.
  • processing component 801 can include one or more modules to facilitate interaction between component 801 and other components.
  • processing component 801 can include a multimedia module to facilitate interaction between multimedia component 804 and processing component 801.
  • Memory 802 is configured to store various types of data to support operation at device 800. Examples of such data include instructions, pictures, videos, etc. for any application or method operating on device 800.
  • the memory 802 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 803 provides power to various components of device 800.
  • Power component 803 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 800.
  • Multimedia component 804 includes a screen between the device 800 and a user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 804 includes a front camera and/or a rear camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 805 is configured to output and/or input audio signals.
  • the audio component 805 includes a microphone (MIC) that is configured to receive an external audio signal when the device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 802 or transmitted via communication component 808.
  • the audio component 805 also includes a speaker for outputting an audio signal.
  • the I/O interface 806 provides an interface between the processing component 801 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 807 includes one or more sensors for providing status assessment of various aspects to device 800.
  • sensor assembly 807 can detect an open/closed state of device 800, relative positioning of components, such as the display and keypad of device 800, and sensor component 807 can also detect the location of one component of device 800 or device 800. Changes, the presence or absence of user contact with device 800, device 800 orientation or acceleration/deceleration, and temperature variation of device 800.
  • Sensor assembly 807 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 807 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 807 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 808 is configured to facilitate wired or wireless communication between device 800 and other devices.
  • the device 800 can access a wireless network based on a communication standard, such as WIFI, 2G or 3G, or a combination thereof.
  • communication component 808 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 808 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • device 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 802 comprising instructions executable by processor 810 of apparatus 800 to perform the above method.
  • the non-transitory computer readable storage medium can be a ROM, a random access memory (RAM), a read only memory (CD-ROM), a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium when instructions in the storage medium are executed by a processor of apparatus 800, enabling apparatus 800 to perform the apparatus access method illustrated in FIG. 3, or to perform the implementation illustrated in FIG. Related steps in the example.
  • the IPC can obtain the notification message of the NVR broadcast, and periodically broadcast the access request message when the notification message includes the identifier of the preset WIFI AP, and the access is performed.
  • the request message includes the identifier of the IPC, so that the NVR detects whether there is an identifier of the IPC in the access request message in the preset identifier set.
  • the NVR allows the IPC to be connected.
  • the device does not need the mobile phone to receive the operation instruction triggered by the user, and realizes the automatic pre-authentication of the device, which simplifies the pre-authentication process.
  • the embodiment of the present application further provides a device access system, where the device access system includes an NVR and an IPC.
  • the NVR includes the device access device shown in FIG. 10;
  • the IPC includes the device access device shown in FIG.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product comprising one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a readable storage medium of a computer or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data
  • the center transmits to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium, or a semiconductor medium (eg, a solid state hard disk) or the like.

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Abstract

L'invention concerne un procédé, un appareil et un système d'accès à un dispositif, ces derniers appartenant au domaine technique de la surveillance de sécurité. Le procédé comprend les étapes suivantes : un NVR diffuse périodiquement un message de notification; le NVR acquiert un message de demande d'accès diffusé par une caméra de protocole Internet (IPC), le message de demande d'accès comprenant un identifiant de l'IPC, et le message de demande d'accès étant généré par l'IPC lorsqu'il est établi que le message de notification acquis diffusé par le NVR comprend un identifiant d'un AP sans fil prédéfini; le NVR détecte si l'identifiant de l'IPC dans le message de demande d'accès existe dans un ensemble d'identifiants prédéfini, l'ensemble d'identifiants prédéfini comprenant un identifiant d'une IPC géré par le NVR; et lorsque l'identifiant de l'IPC dans le message de demande d'accès existe dans l'ensemble d'identifiants prédéfini, le NVR autorise l'exécution d'une authentification d'accès sur l'IPC. La présente invention résout les problèmes existant dans l'état de la technique selon lesquels une pré-authentification automatique d'un dispositif ne peut pas être effectuée et le processus de pré-authentification est toujours difficile, ce qui simplifie le processus de pré-authentification de dispositif; et l'invention est utilisée pour une association de dispositifs.
PCT/CN2018/083872 2017-06-15 2018-04-20 Procédé, appareil et système d'accès à un dispositif WO2018228051A1 (fr)

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CN103905448A (zh) * 2014-04-01 2014-07-02 江苏物联网研究发展中心 面向城市安防的摄录设备实体认证方法
CN106453370A (zh) * 2016-10-27 2017-02-22 浙江宇视科技有限公司 一种ipc向nvr进行注册的方法和装置

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CN111818520A (zh) * 2020-07-20 2020-10-23 深圳市富视康实业发展有限公司 一种nvr与ipc套装的方法和系统
CN112135296A (zh) * 2020-09-23 2020-12-25 北京蓦然认知科技有限公司 一种基于改进的信标帧的安全监控的方法、装置
CN112135296B (zh) * 2020-09-23 2024-03-19 陈卫锋 一种基于改进的信标帧的安全监控的方法、装置
CN113596808A (zh) * 2021-07-28 2021-11-02 深圳市吉祥腾达科技有限公司 一种nvr与ipc无线自组网方法
CN113596808B (zh) * 2021-07-28 2023-10-10 深圳市吉祥腾达科技有限公司 一种nvr与ipc无线自组网方法

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