CN101753354A - Method for realizing the automatic configuration of network camera and monitoring system - Google Patents
Method for realizing the automatic configuration of network camera and monitoring system Download PDFInfo
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Abstract
The present invention discloses a method for realizing the automatic configuration of a network camera and a monitoring system. The method comprises the following steps: the network camera is connected into a network to obtain dynamic IP address and the address information of a monitoring central server through a dynamic host configuration protocol DHCP server; by the dynamic IP address and the address information of a monitoring central server, the network camera and the monitoring central sever are set up communication connection, and an identity certification protocol certificate is used for finishing certification process with the monitoring central server; and the identity certification protocol certificate comprises the identity information of the network camera, and is configured in the network camera in advance. By using the method and the monitoring system, when the network camera is electrically connected into an IP network, the access certification with the central server can be automatically finished, every network camera does not need to be manually configured gradually, and thus, the setting efficiency of a network video monitoring system can be largely improved.
Description
Technical field
The present invention relates to the Network Video Surveillance technical field, refer in particular to a kind of realization web camera automatic configuration method and supervisory control system.
Background technology
Along with computer, network and development of Communication Technique, be the Internet video remote monitoring of platform and be controlled at security protection with the network and the communication technology, fields such as traffic are more and more universal, at present when building extensive video monitoring system, most of with being inclined to the system of selecting IP based network to make up per family, IP network can make the user based on this network operation multiple business, as voice, data, video etc., and utilize the IP network of generally using at present can also make the user make full use of existing network, need repeat when avoiding building video monitoring system to lay network and cause the problem of expense waste.
Fig. 1 is the networking structure schematic diagram of the network video monitor and control system of existing IP based network, as Fig. 1, in network video monitor and control system, web camera (IP Camera) as video capture device can be gathered in real time to on-the-spot voice and image, and after the voice signal that collects and picture signal be converted into digital signal, transfer to monitoring central server by IP network, user side can be connected to this monitoring central server by internet or LAN, visits the realtime graphic that this video capture device transmits according to the IP address of web camera.
By above networking structure, prior art is when the construction network video monitoring system, in order to make each web camera can insert IP network, the user need dispose the address and the password of each web camera successively, and the IP address that central server is set on each web camera, otherwise central server can not the recognition network video camera, and web camera can not find the position of central server, and then the net connection of realization and central server.
Yet adopt the said method of prior art, when the scale of institute's construction network video monitoring system hour, the user adopts manual mode to finish the work and can also make us accepting, but when construction network video monitoring system larger, the mode that this kind employing is configured web camera one by one, huge and scissors and paste beyond doubt concerning the engineering construction personnel, and also this kind method is lost time, influence the efficient of work, therefore can have a strong impact on the progress of duration.
Summary of the invention
The purpose of technical solution of the present invention provides a kind of realization web camera automatic configuration method and supervisory control system, adopt described method and system, when web camera powers up the access IP network, can finish access authentication automatically with central server, need not one by one each web camera to be carried out manual configuration, therefore can improve the construction efficiency of network video monitor and control system greatly.
For achieving the above object, the invention provides a kind of realization web camera automatic configuration method, described method comprises: described web camera access network obtains dynamic IP addressing and monitoring central server address information by the dynamic host configuration protocol DHCP server; By described dynamic IP addressing and described monitoring central server address information, setting up communication with monitoring central server is connected, and utilize authentication deed of settlement and described monitoring central server to finish verification process, described authentication deed of settlement comprises the identity information of described web camera and pre-configured in described web camera.
Preferably, above-mentioned method, before the step of described web camera access network, also comprise: according to the standard option of DHCP expansion, described Dynamic Host Configuration Protocol server is set in advance, make described Dynamic Host Configuration Protocol server when described web camera distributes described dynamic IP addressing, issue described monitoring central server address information.
Preferably, above-mentioned method, described authentication deed of settlement is that described identity information comprises the address information of the PKI of described web camera, described web camera and the digital signature of described X509 standard certificate through the X509 standard certificate of certificate granting center digital signature.
Preferably, above-mentioned method, set up with described monitoring central server that communication is connected and the step of finishing verification process specifically comprises: by described dynamic IP addressing and the described monitoring central server address information that obtains, initiate to set up condom interbed SSL connection requests to described monitoring central server, the described identity information with described web camera is sent to described monitoring central server simultaneously; Obtain described monitoring central server and check the result of determination of the identity validity of described web camera, finish verification process according to described identity information.
Preferably, above-mentioned method, described monitoring central server checks the process of the identity validity of described web camera specifically to comprise according to described identity information: described monitoring central server judges whether the described digital signature of described X509 standard certificate is effective, if judged result is for being, then further the PKI of described web camera and the address information of described web camera are authenticated, if the address information of the PKI of described web camera and described web camera is by authentication, then obtain the effective result of determination of identity, if the address information of the PKI of described web camera and described web camera can not then obtain the invalid result of determination of identity by authentication; If judged result then obtains the invalid result of determination of identity for not.
Preferably, above-mentioned method, before obtaining the step of described dynamic IP addressing and described monitoring central server address information by the dynamic host configuration protocol DHCP server: described web camera sends to described network and seeks the DHCP message information, the described searching of described dhcp server response DHCP message information, select vacant IP address, the information of described vacant IP address is sent to described web camera after described monitoring central server address information is encapsulated as message.
Further aspect of the present invention provides a kind of web camera supervisory control system of configuration automatically that realizes, described supervisory control system comprises: web camera, the pre-configured authentication deed of settlement that comprises identity information of described web camera; The dynamic host configuration protocol DHCP server is used for when the web camera access network, is that described web camera distributes dynamic IP addressing and monitoring central server address information automatically; Monitoring central server, when described web camera utilizes described authentication deed of settlement, and by described dynamic IP addressing and described monitoring central server address information, request is set up communication when being connected with described monitoring central server, and described monitoring central server execution is to the authentication of described web camera.
Preferably, above-mentioned supervisory control system, the standard option according to relevant DHCP expansion sets in advance described Dynamic Host Configuration Protocol server, make described Dynamic Host Configuration Protocol server when described web camera distributes described dynamic IP addressing, issue described monitoring central server address information.
Preferably, above-mentioned supervisory control system, described authentication deed of settlement is that described identity information comprises the address information of the PKI of described web camera, described web camera and the digital signature of described X509 standard certificate through the X509 standard certificate of certificate granting center digital signature.
Preferably, above-mentioned supervisory control system, when described web camera inserts described network, by described dynamic IP addressing and the described monitoring central server address information that obtains, initiate to set up condom interbed SSL connection requests to described monitoring central server, the described identity information with described web camera is sent to described monitoring central server simultaneously.
In the technique scheme at least one has following beneficial effect, the specific embodiment of the invention described realization web camera automatic configuration method and supervisory control system, when web camera inserts IP network, issue the address of dynamic IP addressing and monitoring central server to web camera by Dynamic Host Configuration Protocol server, and by X509 standard certificate pre-configured on web camera, authenticate with monitoring central server, therefore the whole layoutprocedure of web camera is automatically and finishes, need not manual operation, can greatly reduce the construction working amount of video monitoring system, improve the operating efficiency of networking; In addition, the described method of the specific embodiment of the invention adopts the X509 certificate of certification based on the RSA asymmetric key algorithm, and connect by SSL and to set up communication with monitoring central server and be connected, can guarantee safety certification fully to web camera, avoid the malice of system is invaded, this method safety and reliability are higher.
Description of drawings
Fig. 1 is the networking structure schematic diagram of the network video monitor and control system of IP based network;
Fig. 2 is the schematic flow sheet of the described realization web camera of specific embodiment of the invention method of automatic configuration;
Fig. 3 is for adopting the described method of the specific embodiment of the invention, and web camera inserts the layoutprocedure schematic diagram after the IP network.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
It is a kind of based on DHCP (Dynamic Host ConfigurationProtocol that the specific embodiment of the invention provides, DHCP) server and authentication deed of settlement (as the X509 standard certificate), in order to realize web camera automatic configuration method and supervisory control system, adopt this method and supervisory control system, when web camera powers up the access IP network, can find central server and finish access authentication, avoid manual configuration work fully web camera.
This authentication deed of settlement is a kind of based on certain encryption technology, the technology and the standard that are used for public key publication and rights management, prior art can realize that the technical standard of this function comprises: the X509 standard certificate at present, SPKI (Simple Public Key Infrastructure, simple PKI facility) certificate, PGP (PrettyGood Privacy) certificate etc., to be example below with the X509 standard certificate, realize web camera automatic configuration method and supervisory control system in order to describe the specific embodiment of the invention in detail, and adopt the SPKI certificate to be used for realizing that with the PGP certificate principle of the method for the invention is identical with the X509 standard certificate, be not described in detail in this.
Fig. 2 is the schematic flow sheet of the described realization web camera of specific embodiment of the invention method of automatic configuration, realizes that this method from step S201, also comprises the steps:
Step S202 installs one by certificate granting center digital signature and comprise the authentication deed of settlement of the identity information of web camera in advance at web camera;
Step S203 sets in advance the Dynamic Host Configuration Protocol server in the IP network, makes this Dynamic Host Configuration Protocol server when web camera distributes dynamic IP addressing, issues the monitoring central server address information;
Step S204, the web camera access network obtains dynamic IP addressing and monitoring central server address information by Dynamic Host Configuration Protocol server;
Step S205 by described dynamic IP addressing and described monitoring central server address information, sets up communication with monitoring central server and is connected, and utilizes described authentication deed of settlement, finishes verification process with described monitoring central server;
Step S206 finishes.
In the described method of the specific embodiment of the invention, described authentication deed of settlement can be an X509 standard certificate through CA (Certificate Authority, certificate granting center) digital signature.The X509 standard certificate be ITU-T formulate a kind of based on the RSA asymmetric key algorithm and be used for public key publication and the standard of rights management, can guarantee is not needing to transmit under the situation of key, realize the mutual authentication of communication two party, when the X509 standard certificate is installed in web camera, this X509 standard certificate can comprise the PKI of web camera, the address information of web camera, the digital signature of certificate, guarantee web camera on IP network reliably, the identity of proof oneself uniquely, thereby make the monitoring central server can the recognition network video camera.
In addition, described method is also utilized the address information of Dynamic Host Configuration Protocol server issue monitoring central server, it will be appreciated by those skilled in the art that, current DHCP defines in the RFC2131 standard, be used for automatically being the devices allocation IP address of access network, and according to the standard option of expanding about DHCP in the RFC2132 standard, the DHCP agreement also provides the framework of a main frame issue configuration information on the TCP/IP network, configuration parameter transmits by the option field in the dhcp message, the software of present most Dynamic Host Configuration Protocol server all supports to increase the option field, as dhcpd, therefore can the address and the IP of monitoring server can be issued by in its configuration file, adding the configuration of option field.
The method of the invention is utilized the above-mentioned principle of Dynamic Host Configuration Protocol server, revise the Dynamic Host Configuration Protocol server configuration in the network, make web camera when obtaining the IP address by DHCP, Dynamic Host Configuration Protocol server increases by two option fields in the message that the IP address is provided, represent the IP address and the port of monitoring central server respectively, the address information with monitoring central server offers web camera simultaneously.
Therefore adopt the invention described above specific embodiment to realize the web camera automatic configuration method, manufacturer is when producing web camera, only need in web camera, to install an X509 standard certificate by the CA signature, and when laying video monitoring system, revise the configuration of Dynamic Host Configuration Protocol server in the IP network, make DHCP in web camera distributing IP address, the location, IP location and the port numbers that also issue monitoring central server are given web camera, thereby when making web camera insert IP network, automatically obtain the address information of dynamic IP addressing and monitoring central server by DHCP, obtain the position of monitoring central server, and further utilize the X509 standard certificate, table in the X509 standard certificate is known the PKI of network shooting identity, the digital signature of address information and certificate is sent to monitoring central server, thereby make monitoring central server recognize web camera, finish authentication.
Fig. 3 is for adopting the described method of the specific embodiment of the invention, and web camera inserts the layoutprocedure schematic diagram after the IP network, and this process may further comprise the steps:
Step S301, web camera is logined IP network for the first time, when finding on this machine equipment without any the IP data setting, send the message of seeking DHCP information to IP network broadcasting, because which network this web camera does not also know to belong to, so the source address of the message of this searching DHCP information can be 0.0.0.0, destination address then is 255.255.255.255;
Step S302, after Dynamic Host Configuration Protocol server listens to the message of the searching DHCP information that web camera sends, respond this message, in the address realm of not leasing, select top vacant IP, it is dynamic IP addressing that this vacant IP is provided, and is sent to web camera together with the address information of monitoring central server;
Step S303, web camera receives the distributing IP address that Dynamic Host Configuration Protocol server sends, send the affirmation broadcasting packet of an affirmation Dynamic Host Configuration Protocol server to network, if web camera receives the response of many Dynamic Host Configuration Protocol server on the network, then only can select a Dynamic Host Configuration Protocol server wherein to provide IP address (be generally response and arrive at Dynamic Host Configuration Protocol server to web camera at first) for it, this affirmation broadcasting packet tells this web camera of all Dynamic Host Configuration Protocol server on the network to receive the IP address which platform Dynamic Host Configuration Protocol server provides;
Step S304 after the selected Dynamic Host Configuration Protocol server of web camera receives this affirmation broadcasting packet, sends an information to web camera and knows response, confirms that the IP lease of web camera is formally effective;
Step S305, web camera passes through the dynamic IP addressing that obtained and the address information of monitoring central server, initiate to set up SSL (Secure Sockets layer to monitoring central server, the condom interbed) connection requests, the digital signature of table in the X509 standard certificate being known PKI, address information and the certificate of network shooting identity is sent to monitoring central server;
It is a kind of communications protocol based on X509 standard certificate and RSA cryptographic algorithms that provides safe and secret on the TCP/IP network that this SSL connects, use this agreement, web camera and monitoring central server can be definite identification the other side identity and set up web camera and server between enciphered data connect, to guarantee the safety certification between web camera and the server;
Step S306, monitoring central server is judged the validity of X509 standard certificate by the digital signature in the described X509 standard certificate of check, if the described digital signature of check is effective, determine that then this X509 standard certificate is effective, and then the PKI of web camera in the X509 standard certificate and the address information of web camera authenticated, if authentication is passed through, then obtain the effective result of determination of identity, if authentication can not be passed through, then obtain the invalid result of determination of identity; If the described digital signature of check is invalid, determine that then this X509 standard certificate is invalid, then this web camera can not need not the identity of web camera is judged by authentication;
Above-mentioned decision process is carried out and is finished, and monitoring central server further feeds back to web camera with result of determination.
Therefore comprehensively above-mentioned, the method that the described realization web camera of the specific embodiment of the invention disposes in video monitoring system, whole process is automatically to be finished, need not manual operation, therefore can greatly reduce the construction working amount of video monitoring system, increase work efficiency the reduction of erection time; In addition, the described method of the specific embodiment of the invention adopts the X509 certificate of certification based on the RSA asymmetric key algorithm, and connect by SSL and to set up communication with monitoring central server and be connected, can guarantee safety certification fully to web camera, avoid the malice of system is invaded, this method safety, reliability are higher.
The specific embodiment of the invention also provides a kind of web camera supervisory control system of configuration automatically that realizes on the other hand, and this supervisory control system comprises:
Web camera, the pre-configured authentication deed of settlement that comprises identity information of this web camera, this authentication deed of settlement can be the X509 standard certificate, the digital signature that comprises the PKI that is used to show to know the network shooting identity, address information, certificate in this X509 standard certificate, guarantee web camera on IP network reliably, the identity of proof oneself uniquely, thereby make the monitoring central server can the recognition network video camera;
The dynamic host configuration protocol DHCP server is used for when the web camera access network, is that described web camera distributes dynamic IP addressing and monitoring central server address information automatically;
When building video monitoring system, according to the standard option of relevant DHCP expansion, this Dynamic Host Configuration Protocol server is carried out pre-configured, make this Dynamic Host Configuration Protocol server when web camera distributes dynamic IP addressing, issue the monitoring central server address information;
Monitoring central server, when web camera utilizes described authentication deed of settlement (as the X509 standard certificate), and by described dynamic IP addressing and described monitoring central server address information, request is set up communication when being connected with this monitoring central server, and this monitoring central server execution is to the authentication of web camera.
Particularly, when the web camera access network, the process that monitoring central server is carried out authentication is: web camera passes through the dynamic IP addressing that obtained and the address information of monitoring central server, initiate to set up SSL (Secure Sockets layer to monitoring central server, the condom interbed) connection requests, the digital signature of table in the X509 standard certificate being known PKI, address information and the certificate of network shooting identity is sent to monitoring central server.
Monitoring central server is judged the validity of X509 standard certificate by the digital signature in the described X509 standard certificate of check, if the described digital signature of check is effective, determine that then this X509 standard certificate is effective, and then the PKI of web camera in the X509 standard certificate and the address information of web camera authenticated, if authentication is passed through, then obtain the effective result of determination of identity,, then obtain the invalid result of determination of identity if authentication can not be passed through; If the described digital signature of check is invalid, determine that then this X509 standard certificate is invalid, then this web camera can not need not the identity of web camera is judged by authentication.When above-mentioned decision process end, monitoring central server further feeds back to web camera with result of determination in addition.
By described method of the specific embodiment of the invention and supervisory control system, web camera can be finished layoutprocedure after inserting IP network automatically, even also web camera obtains the position of monitoring central server automatically, and the automatic recognition network video camera of monitoring central server is authenticated, need not to adopt manual setting, therefore can greatly reduce the construction working amount of video monitoring system.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. realize the web camera automatic configuration method for one kind, it is characterized in that described method comprises:
Described web camera access network obtains dynamic IP addressing and monitoring central server address information by the dynamic host configuration protocol DHCP server;
By described dynamic IP addressing and described monitoring central server address information, setting up communication with monitoring central server is connected, and utilize authentication deed of settlement and described monitoring central server to finish verification process, described authentication deed of settlement comprises the identity information of described web camera and pre-configured in described web camera.
2. the method for claim 1, it is characterized in that, before the step of described web camera access network, also comprise: according to the standard option of DHCP expansion, described Dynamic Host Configuration Protocol server is set in advance, make described Dynamic Host Configuration Protocol server when described web camera distributes described dynamic IP addressing, issue described monitoring central server address information.
3. the method for claim 1, it is characterized in that, described authentication deed of settlement is that described identity information comprises the address information of the PKI of described web camera, described web camera and the digital signature of described X509 standard certificate through the X509 standard certificate of certificate granting center digital signature.
4. method as claimed in claim 3 is characterized in that, sets up with described monitoring central server that communication is connected and the step of finishing verification process specifically comprises:
By described dynamic IP addressing and the described monitoring central server address information that obtains, initiate to set up condom interbed SSL connection requests to described monitoring central server, the described identity information with described web camera is sent to described monitoring central server simultaneously;
Obtain described monitoring central server and check the result of determination of the identity validity of described web camera, finish verification process according to described identity information.
5. method as claimed in claim 4 is characterized in that, described monitoring central server checks the process of the identity validity of described web camera specifically to comprise according to described identity information:
Described monitoring central server judges whether the described digital signature of described X509 standard certificate is effective, if judged result is for being, then further the PKI of described web camera and the address information of described web camera are authenticated, if the address information of the PKI of described web camera and described web camera is by authentication, then obtain the effective result of determination of identity, if the address information of the PKI of described web camera and described web camera can not then obtain the invalid result of determination of identity by authentication;
If judged result then obtains the invalid result of determination of identity for not.
6. the method for claim 1 is characterized in that, before obtaining the step of described dynamic IP addressing and described monitoring central server address information by the dynamic host configuration protocol DHCP server:
Described web camera sends to described network and seeks the DHCP message information, the described searching of described dhcp server response DHCP message information, select vacant IP address, the information of described vacant IP address is sent to described web camera after described monitoring central server address information is encapsulated as message.
7. realize the web camera supervisory control system of configuration automatically for one kind, it is characterized in that described supervisory control system comprises:
Web camera, the pre-configured authentication deed of settlement that comprises identity information of described web camera;
The dynamic host configuration protocol DHCP server is used for when the web camera access network, is that described web camera distributes dynamic IP addressing and monitoring central server address information automatically;
Monitoring central server, when described web camera utilizes described authentication deed of settlement, and by described dynamic IP addressing and described monitoring central server address information, request is set up communication when being connected with described monitoring central server, and described monitoring central server execution is to the authentication of described web camera.
8. supervisory control system as claimed in claim 7, it is characterized in that, standard option according to the DHCP expansion, described Dynamic Host Configuration Protocol server is set in advance, make described Dynamic Host Configuration Protocol server when described web camera distributes described dynamic IP addressing, issue described monitoring central server address information.
9. supervisory control system as claimed in claim 7, it is characterized in that, described authentication deed of settlement is that described identity information comprises the address information of the PKI of described web camera, described web camera and the digital signature of described X509 standard certificate through the X509 standard certificate of certificate granting center digital signature.
10. supervisory control system as claimed in claim 9, it is characterized in that, when described web camera inserts described network, by described dynamic IP addressing and the described monitoring central server address information that obtains, initiate to set up condom interbed SSL connection requests to described monitoring central server, the described identity information with described web camera is sent to described monitoring central server simultaneously.
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| CN102651736A (en) * | 2011-02-28 | 2012-08-29 | 华为技术有限公司 | DHCP-based authentication method, DHCP server and DHCP client side |
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| CN106210132A (en) * | 2016-08-19 | 2016-12-07 | 浙江宇视科技有限公司 | A kind of web camera collocation method, Apparatus and system |
| CN106210132B (en) * | 2016-08-19 | 2019-06-11 | 浙江宇视科技有限公司 | A kind of web camera configuration method, apparatus and system |
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| CN111757000A (en) * | 2020-06-29 | 2020-10-09 | 江苏邦融微电子有限公司 | Camera ad hoc network in local area network and video transmission method |
| CN111757000B (en) * | 2020-06-29 | 2021-12-28 | 江苏邦融微电子有限公司 | Camera ad hoc network in local area network and video transmission method |
| CN111988576A (en) * | 2020-08-31 | 2020-11-24 | 深圳市新龙鹏科技有限公司 | PON (passive optical network) network camera access control method, device, equipment and storage medium |
| CN111988576B (en) * | 2020-08-31 | 2023-02-10 | 深圳市新龙鹏科技有限公司 | PON (passive optical network) network camera access control method, device, equipment and storage medium |
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| CN112217875B (en) * | 2020-09-22 | 2023-04-07 | 杭州迪普科技股份有限公司 | Method, system and equipment for communication connection between equipment |
| CN116095436A (en) * | 2023-04-10 | 2023-05-09 | 南京予芯科技有限公司 | Self-adaptive vehicle-mounted camera driving method |
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Application publication date: 20100623 |