CN107222465A - Intelligent gateway enters network control system - Google Patents
Intelligent gateway enters network control system Download PDFInfo
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- CN107222465A CN107222465A CN201710336594.7A CN201710336594A CN107222465A CN 107222465 A CN107222465 A CN 107222465A CN 201710336594 A CN201710336594 A CN 201710336594A CN 107222465 A CN107222465 A CN 107222465A
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- intelligent gateway
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- 238000004458 analytical method Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000013475 authorization Methods 0.000 claims description 17
- 238000012795 verification Methods 0.000 claims description 13
- 238000012790 confirmation Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5682—Policies or rules for updating, deleting or replacing the stored data
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of network control system that enters of intelligent gateway, including intelligent gateway, intelligent doorbell;The intelligent doorbell is connected with intelligent gateway communication;Wherein, intelligent doorbell be configured with voice module, processing module, communication module, fingerprint identification module, into ACK button;Processing module is configured with analysis module, reminding module and judge module.Intelligent gateway is configured with memory cell, authentication unit and timing unit.The present invention is registered using intelligent doorbell to visitor, and is deposited into after confirming to enter, then by the register information of the visitor in intelligent gateway, and then carries out empowerment management to the intelligent terminal of visitor according to the information of storage.The features such as present invention has safe.
Description
Technical Field
The invention relates to an intelligent gateway system, in particular to a network access control system of an intelligent gateway.
Background
With the progress of science and technology and society, intelligent home is gradually applied to user families. The intelligent home is specifically applied to an intelligent security system and an intelligent household appliance control system in a home. A conventional intelligent home appliance control system generally has a central control device (or called an intelligent terminal or an intelligent gateway), and other home appliance terminals of the intelligent home appliance control system are connected to the central control device in a wired or wireless manner. The central control device is connected with a control terminal in a wired or wireless network mode, and the control terminal can be a special remote control device of an intelligent household appliance control system and also can be various electronic devices such as a mobile phone, a portable computer and a PDA.
However, most of the current intelligent gateways generally adopt an account password authentication mode to allow some intelligent terminals to access a wireless network. And the verification mode of the account password is very easy to be cracked by surrounding people by using cracking software, and the people are connected to the network in a stealing way.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a network access control system of an intelligent gateway, which has the characteristics of high safety and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a network access control system of an intelligent gateway comprises the intelligent gateway and an intelligent doorbell; the intelligent doorbell is in communication connection with the intelligent gateway; wherein,
the intelligent doorbell is provided with a fingerprint identification module and an entry confirmation button, and is configured to send out a doorbell prompt tone when first fingerprint information is identified by the fingerprint identification module and send the first fingerprint information to the intelligent gateway; the entering confirmation button is used for confirming whether the visitor enters the room or not by the owner and sending confirmation information to the intelligent gateway;
the intelligent gateway is provided with a storage unit and a verification unit; the storage unit is configured to store first fingerprint information received from a smart doorbell; the authentication unit is configured to send an authentication WEB page to the intelligent terminal when the intelligent gateway receives an access request of the intelligent terminal; the WEB verification page is provided with a fingerprint acquisition unit and a sending unit, wherein the fingerprint acquisition unit is configured to enable a fingerprint identification function of the intelligent terminal to acquire second fingerprint information of the user; the sending unit is configured to send the acquired second fingerprint information to the intelligent gateway; the verification unit is further configured to match the received second fingerprint information with the first fingerprint information in the storage unit, and decide whether to allow the intelligent terminal to access the network according to a matching result.
Through the technical scheme: the intelligent doorbell is used for fingerprint registration of the visitor, and after the visitor enters the door, the registered fingerprint information is used for network access authorization of the intelligent terminal of the visitor. Therefore, the problems that the network speed of the home network is influenced and other safety problems caused by the fact that the intelligent gateway is easily cracked by surrounding users in an account password verification mode can be effectively solved.
Preferably, the network access control system further comprises an administrator user side, and the administrator user side is in communication connection with the intelligent gateway; the administrator user side is configured to obtain a record of first fingerprint information from the intelligent gateway, generate a corresponding authorization instruction based on authorization operation of a user on the record, and send the authorization instruction to the intelligent gateway; the intelligent gateway is configured to configure the first fingerprint information as an authorized user based on receiving an authorization instruction.
Through the technical scheme: the method and the system can facilitate the owner to set the authority of the visiting guest, so that the visiting guest can be directly connected with the network when visiting next time, and the visiting guest does not need to be registered through the intelligent doorbell.
Preferably, the intelligent doorbell is further configured with an analysis module and a prompt module, the analysis module is configured to analyze the first fingerprint information identified by the fingerprint identification module, and determine whether the first fingerprint information is complete according to an effective area of the fingerprint information; and the prompting module makes a corresponding prompt according to the analysis result of the analysis module.
Through the technical scheme: the visitor can be prevented from entering incomplete fingerprint information, and the visitor cannot be successfully verified when the intelligent terminal is used to be connected to the intelligent gateway.
Preferably, the intelligent doorbell is configured with a judging module, the judging module is configured to judge the first fingerprint information identified by the fingerprint identification module, and when the fingerprint identification module continuously receives the same first fingerprint information for a predetermined number of times, the intelligent doorbell emits a doorbell prompt sound again.
Through the technical scheme: the fingerprint information of the visitor can be accurately collected, so that smooth verification can be guaranteed.
Preferably, the intelligent gateway is further configured with a timing unit, the timing unit is configured to time an access time of a newly accessed intelligent terminal, and when the access time of the newly accessed intelligent terminal reaches a predetermined time length, the intelligent gateway automatically configures the first fingerprint information corresponding to the intelligent terminal as an authorized user.
Through the technical scheme: the intelligent gateway can automatically list the long-standing visitor as an authorized user without manual setting by an owner.
Preferably, the intelligent gateway is further configured to monitor the connection state of the intelligent terminal in real time after the intelligent terminal is allowed to access the network; when the intelligent terminal is detected to exit from the network, if an authorization instruction is not received from the administrator user side, the intelligent gateway deletes the first fingerprint information from the storage unit.
Through the technical scheme: if the owner does not authorize the visitor on the user end of the administrator, the intelligent gateway automatically deletes the information of the visitor when the visitor leaves and the network connection is disconnected, and excessive irrelevant users are prevented from registering in the intelligent gateway.
Drawings
FIG. 1 is a schematic diagram of a network access control system according to an embodiment;
FIG. 2 is a block diagram of an embodiment of an intelligent doorbell;
fig. 3 is a schematic block diagram of an intelligent gateway in an embodiment.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
The embodiment aims to provide a network access control system of an intelligent gateway, so that quick network access authorization management can be performed on family visitors, and troubles caused by using login passwords are reduced.
Referring to fig. 1, the network access control system mainly comprises an intelligent gateway and an intelligent doorbell; the intelligent gateway is responsible for interconnecting all devices in a family and is in communication connection with an intelligent terminal of an owner; an administrator user side (APP) is installed on an intelligent terminal of an owner, the owner logs in the administrator user side by using an administrator account number pre-configured by the intelligent gateway, system configuration can be carried out on the intelligent gateway, each device can be controlled, and the like.
Referring to fig. 2, the intelligent doorbell is configured with a voice module, a processing module, a communication module, a fingerprint identification module, and an enter confirmation button; the processing module is provided with an analysis module, a prompt module and a judgment module.
Fingerprint identification module is used for supplying the visitor to type in first fingerprint information, promptly: the visitor can directly place a finger on the identification window of the fingerprint identification module, and the fingerprint identification module can quickly identify the first fingerprint information of the visitor. The analysis module is used for analyzing the first fingerprint information identified by the fingerprint identification module and determining whether the first fingerprint information is complete or not according to the effective area of the fingerprint information; each time the first fingerprint information is identified by the fingerprint identification module, the analysis module determines whether the entered fingerprint information obviously lacks an area based on a preconfigured analysis algorithm (e.g., an image analysis algorithm) (generally, only a portion of the fingerprint is entered because the visitor is not in compliance). The prompting module makes a corresponding prompt according to the analysis result of the analysis module, namely: when the analysis module analyzes that the fingerprint input by the visitor is incomplete, a voice prompt is immediately sent through the voice module to remind the visitor to input the first fingerprint information again. The judging module is configured to judge the first fingerprint information identified by the fingerprint identification module, and it should be noted that successful input is only performed once when the analyzing module analyzes that the first fingerprint information input by the visitor is complete. Furthermore, when the judging module judges the first fingerprint information, if the fingerprint identification module continuously receives the same first fingerprint information for a predetermined number of times (generally 3 times), the intelligent doorbell sends out a doorbell prompt tone. Meanwhile, the processing module integrates the first fingerprint information identified for multiple times (similar to the fingerprint input process on the current intelligent terminal). And then, if the owner presses an enter confirmation button, the visitor is shown to enter the room, and at the moment, the intelligent doorbell sends the integrated first fingerprint information to the intelligent gateway through the communication module.
Referring to fig. 3, the intelligent gateway is configured with a storage unit, an authentication unit, and a timing unit. Wherein the storage unit is configured to store the first fingerprint information received from the smart doorbell, namely: the first fingerprint information received from the smart doorbell is stored in the storage unit only as a temporary file.
And then, when the visitor needs to connect the intelligent terminal to the intelligent gateway, searching the wireless network provided by the intelligent gateway by using the WiFi function of the intelligent terminal, and trying to connect. The authentication unit of the intelligent gateway is configured to send an authentication WEB page to the intelligent terminal when the intelligent gateway receives an access request of the intelligent terminal; and after receiving the verification WEB page, the intelligent terminal automatically loads and displays the verification WEB page through the browser. The WEB verification page is provided with a fingerprint acquisition unit and a sending unit, wherein the fingerprint acquisition unit is configured to enable a fingerprint identification function of the intelligent terminal to acquire second fingerprint information of the user; namely: the fingerprint acquisition unit pops out corresponding prompt information in the display window to prompt a user to perform fingerprint input operation on a fingerprint module of the intelligent terminal. And after the user inputs the second fingerprint information, the sending unit sends the acquired second fingerprint information to the intelligent gateway.
And after the intelligent gateway receives the second fingerprint information, the verification unit matches the received second fingerprint information with the first fingerprint information in the storage unit and determines whether to allow the intelligent terminal to access the network according to a matching result.
In addition, the owner can obtain the record of the first fingerprint information from the intelligent gateway through the administrator user side, and the obtaining time is attached to the record, so that the owner can conveniently judge the visitor corresponding to the first fingerprint information. The owner can also authorize the corresponding first fingerprint information on the administrator user side, namely: and the administrator user side generates a corresponding authorization instruction based on the authorization operation of the owner on the corresponding first fingerprint information, and sends the authorization instruction to the intelligent gateway. After receiving the authorization instruction, the intelligent gateway configures the first fingerprint information into an authorized user based on the received authorization instruction, that is: the first fingerprint information is stored as permanent data in the storage unit.
In the embodiment, the intelligent gateway can also automatically authorize the corresponding visitor. The method comprises the following steps: when the intelligent terminal of a visitor is accessed into the network, the timing unit of the intelligent gateway times the access time of the newly accessed intelligent terminal, and when the access time of the newly accessed intelligent terminal reaches a preset time (generally more than one day), the intelligent gateway automatically configures the first fingerprint information corresponding to the intelligent terminal as an authorized user.
In addition, in this embodiment, the intelligent gateway is further configured to monitor the connection state of the intelligent terminal in real time after the intelligent terminal is allowed to access the network; when the device is detected to exit from the network, if the first fingerprint information corresponding to the intelligent terminal is not authorized, the intelligent gateway deletes the first fingerprint information from the storage unit. The next time the visitor visits, a temporary registration is still required.
Claims (6)
1. A network access control system of an intelligent gateway is characterized by comprising the intelligent gateway and an intelligent doorbell; the intelligent doorbell is in communication connection with the intelligent gateway; wherein,
the intelligent doorbell is provided with a fingerprint identification module and an entry confirmation button, and is configured to send out a doorbell prompt tone when first fingerprint information is identified by the fingerprint identification module and send the first fingerprint information to the intelligent gateway; the entering confirmation button is used for confirming whether the visitor enters the room or not by the owner and sending confirmation information to the intelligent gateway;
the intelligent gateway is provided with a storage unit and a verification unit; the storage unit is configured to store first fingerprint information received from a smart doorbell; the authentication unit is configured to send an authentication WEB page to the intelligent terminal when the intelligent gateway receives an access request of the intelligent terminal; the WEB verification page is provided with a fingerprint acquisition unit and a sending unit, wherein the fingerprint acquisition unit is configured to enable a fingerprint identification function of the intelligent terminal to acquire second fingerprint information of the user; the sending unit is configured to send the acquired second fingerprint information to the intelligent gateway; the verification unit is further configured to match the received second fingerprint information with the first fingerprint information in the storage unit, and decide whether to allow the intelligent terminal to access the network according to a matching result.
2. The network access control system of the intelligent gateway as claimed in claim 1, further comprising an administrator user end, wherein the administrator user end is in communication connection with the intelligent gateway; the administrator user side is configured to obtain a record of first fingerprint information from the intelligent gateway, generate a corresponding authorization instruction based on authorization operation of a user on the record, and send the authorization instruction to the intelligent gateway; the intelligent gateway is configured to configure the first fingerprint information as an authorized user based on receiving an authorization instruction.
3. The network access control system of the intelligent gateway according to claim 1, wherein the intelligent doorbell is further configured with an analysis module and a prompt module, the analysis module is configured to analyze the first fingerprint information identified by the fingerprint identification module, and determine whether the first fingerprint information is complete according to an effective area of the fingerprint information; and the prompting module makes a corresponding prompt according to the analysis result of the analysis module.
4. The system of claim 1, wherein the smart doorbell is configured with a determining module configured to determine the first fingerprint information identified by the fingerprint identifying module, and the smart doorbell further issues a doorbell alert when the fingerprint identifying module receives the same first fingerprint information for a predetermined number of consecutive times.
5. The system of claim 1, wherein the intelligent gateway is further configured with a timing unit, the timing unit is configured to time an access time of a newly accessed intelligent terminal, and when the access time of the newly accessed intelligent terminal reaches a predetermined time, the intelligent gateway automatically configures the first fingerprint information corresponding to the intelligent terminal as an authorized user.
6. The network access control system of the intelligent gateway according to claim 1, wherein the intelligent gateway is further configured to monitor the connection status of the intelligent terminal in real time after the intelligent terminal is allowed to access the network; when the intelligent terminal is detected to exit from the network, if an authorization instruction is not received from the administrator user side, the intelligent gateway deletes the first fingerprint information from the storage unit.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108108145A (en) * | 2018-01-16 | 2018-06-01 | 云丁网络技术(北京)有限公司 | A kind of playback method of prompt tone, apparatus and system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140195609A1 (en) * | 2013-01-07 | 2014-07-10 | MTN Satellite Communications | Digital photograph group editing and access |
CN105450629A (en) * | 2015-10-29 | 2016-03-30 | 东莞酷派软件技术有限公司 | Router connection method and device based on biological information verification, and router |
CN105657695A (en) * | 2015-10-22 | 2016-06-08 | 乐视移动智能信息技术(北京)有限公司 | Method, terminal and system for connecting to Wi-Fi |
CN106535190A (en) * | 2016-11-24 | 2017-03-22 | 北京小米移动软件有限公司 | Network connection method and apparatus |
-
2017
- 2017-05-13 CN CN201710336594.7A patent/CN107222465B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140195609A1 (en) * | 2013-01-07 | 2014-07-10 | MTN Satellite Communications | Digital photograph group editing and access |
CN105657695A (en) * | 2015-10-22 | 2016-06-08 | 乐视移动智能信息技术(北京)有限公司 | Method, terminal and system for connecting to Wi-Fi |
CN105450629A (en) * | 2015-10-29 | 2016-03-30 | 东莞酷派软件技术有限公司 | Router connection method and device based on biological information verification, and router |
CN106535190A (en) * | 2016-11-24 | 2017-03-22 | 北京小米移动软件有限公司 | Network connection method and apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108108145A (en) * | 2018-01-16 | 2018-06-01 | 云丁网络技术(北京)有限公司 | A kind of playback method of prompt tone, apparatus and system |
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