CN110611913B - Wireless network access method, system management platform and access system for nuclear power plant - Google Patents
Wireless network access method, system management platform and access system for nuclear power plant Download PDFInfo
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- CN110611913B CN110611913B CN201910902190.9A CN201910902190A CN110611913B CN 110611913 B CN110611913 B CN 110611913B CN 201910902190 A CN201910902190 A CN 201910902190A CN 110611913 B CN110611913 B CN 110611913B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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Abstract
The invention discloses a nuclear power plant wireless network access method, a system management platform and an access system. The method comprises the following steps: an identity authentication SSID and a service access SSID are set in a WiFi system; after a user logs in the wireless terminal through identity verification, the wireless terminal reports a terminal MAC address, a terminal public key and identity information of the logged user to an identity authentication SSID; verifying the validity of the identity of the wireless terminal according to the information reported by the wireless terminal, and allowing the wireless terminal with the legal identity to access to the identity authentication SSID; distributing a terminal ID, a service access SSID (service set identifier), a user password library and an index which need to be accessed next step according to the category of the wireless terminal, encrypting the information by using a terminal public key and returning the information to the wireless terminal; the wireless terminal uses the received user password library and index to access the service access SSID, and various user services allowed by the system are developed. The invention improves the identity authentication and encryption of the common WiFi system, thereby obviously improving the capability of the WiFi system for resisting the network security risk.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a wireless network access method and system for a nuclear power plant.
Background
In order to meet the requirements of production scheduling command and emergency response, a nuclear power plant is required to be provided with a set of wireless communication system for calling and searching persons, releasing nuclear emergency information and providing mobile data transmission service.
Based on the advantages of high transmission rate, mature technology, wide application, flexible and convenient networking and the like of the WiFi system, part of nuclear power plants select the WiFi technical scheme to build a whole-plant wireless communication system, and the wireless communication system generally comprises a system management platform, a network controller, a base station and a wireless terminal.
However, compared with a wired network, a wireless network faces more serious security threats, all security threats and hidden dangers existing in the conventional wired network usually exist in the wireless network, meanwhile, information transmitted by the wireless network is easier to steal, tamper and insert, and the wireless network is also easier to be attacked and interfered by denial of service.
The encryption technology that entered the WiFi standard first is named WEP (wired equivalent privacy), but since the encryption function of the technology is too weak, it was quickly replaced by the WPA (WiFi network security access) and WPA2 technologies introduced in 2003 and 2004. However, even with the newer WPA2 encryption technology, since the common WiFi system does not implement bidirectional encryption authentication, the problem of weaker security still exists in the wireless open environment, and the requirement of high reliability of the nuclear power plant on information security cannot be met.
In view of this, it is necessary to provide a nuclear power plant wireless network access method and system with strong security and high reliability.
Disclosure of Invention
The invention aims to: the nuclear power plant wireless network access method and system are high in safety and reliability.
In order to achieve the above object, the present invention provides a nuclear power plant wireless network access method, including:
an identity authentication SSID and at least one service access SSID are set in a WiFi system;
after a user logs in a wireless terminal through identity verification, the wireless terminal reports a terminal MAC address, a terminal public key and identity information of a logged-in user to an identity authentication SSID;
verifying the validity of the identity of the wireless terminal according to the MAC address of the terminal, the public key of the terminal and the identity information of a login user, and allowing the wireless terminal with the legal identity to access to an identity authentication SSID;
distributing a terminal ID, a service access SSID (service set identifier), a user password library and an index which need to be accessed in the next step according to the category of the wireless terminal, encrypting the information by using a terminal public key and returning the information to the wireless terminal;
and the wireless terminal receives the returned information, accesses the service access SSID by using the received user password library and the index, and develops various user services permitted by the system.
As an improvement of the wireless network access method of the nuclear power plant, the identity authentication SSID is generated by performing an encryption algorithm on a common parameter (such as the current date, time or contents agreed by the system) and is used for performing identity authentication on a wireless terminal; the service access SSID is generated by an encryption algorithm and is used for different types of user service access.
As an improvement of the nuclear power plant wireless network access method, the identity authentication SSID and the service access SSID are updated regularly and a hidden mode is adopted.
As an improvement of the wireless network access method of the nuclear power plant, the specific mode of logging in the wireless terminal by the user through identity authentication is fingerprint identification or face identification.
As an improvement of the wireless network access method of the nuclear power plant, the method further includes: the effective operation behavior of the wireless terminal accessed to the identity authentication SSID is strictly controlled, and the wireless terminal is ensured to only perform identity authentication related operation and not perform other operation behaviors unrelated to identity authentication during the period of accessing to the identity authentication SSID.
As an improvement of the wireless network access method of the nuclear power plant, the method further includes: reserving a user password library for each wireless terminal, wherein the user password libraries corresponding to different wireless terminals are different; and updating the user password library regularly, and completing synchronization with the wireless terminal before updating.
As an improvement of the wireless network access method of the nuclear power plant, the method further includes: and the access information of the wireless terminal connected to the service access SSID and the service interaction information when various user services are developed are encrypted.
In order to achieve the above object, the present invention further provides a system management platform of a nuclear power plant wireless network, including:
the device comprises a setting module, a service access module and a service authentication identifier (SSID), wherein the setting module is used for setting an identity authentication SSID and at least one service access SSID in a WiFi system;
the judging module is used for verifying the validity of the identity of the wireless terminal according to the terminal MAC address reported by the wireless terminal, the terminal public key and the identity information of the login user, and allowing the wireless terminal with the legal identity to access to the identity authentication SSID;
the control module is used for distributing a terminal ID, a service access SSID (service set identifier), a user password library and an index which need to be accessed in the next step according to the category of the wireless terminal and encrypting the information by using a terminal public key;
and the platform transceiver module is used for receiving the terminal MAC address, the terminal public key and the identity information of the login user reported by the wireless terminal to the identity authentication SSID, and is also used for returning the encrypted terminal ID, the service access SSID to be accessed next, the user password library and the index to the wireless terminal.
As an improvement of the system management platform of the wireless network of the nuclear power plant, the identity authentication SSID is generated by carrying out an encryption algorithm on common parameters (such as the current date, the current time or the contents agreed by the system) and is used for carrying out identity authentication on a wireless terminal; the service access SSID is generated through an encryption algorithm and is used for different types of user service access.
As an improvement of the system management platform of the wireless network of the nuclear power plant, the identity authentication SSID and the service access SSID are updated regularly and a hidden mode is adopted.
As an improvement of the system management platform of the wireless network of the nuclear power plant, the control module is further used for reserving a user password library for each wireless terminal, and the user password libraries corresponding to different wireless terminals are different; and the user password database is used for updating the user password database periodically and completing synchronization with the wireless terminal before updating.
As an improvement of the system management platform of the wireless network of the nuclear power plant, the control module is also used for strictly controlling the effective operation behavior of the wireless terminal accessed to the identity authentication SSID, so that the wireless terminal can only perform identity authentication related operation during the period of being accessed to the identity authentication SSID, and other operation behaviors which are irrelevant to identity authentication cannot be performed.
In order to achieve the purpose, the invention also provides a nuclear power plant wireless network access system, which comprises a system management platform and a wireless terminal, wherein the system management platform and the wireless terminal are communicated in a wireless mode;
the system management platform is the system management platform described in any of the preceding paragraphs;
the wireless terminal includes:
the terminal transceiver module is used for reporting a terminal MAC address, a terminal public key and identity information of a login user to an identity authentication SSID, and is also used for receiving a terminal ID returned by the system management platform, a service access SSID required to be accessed in the next step, a user password library and an index;
and the special APP is used for carrying out identity authentication on the logged-in user, accessing the service access SSID by using the received user password library and the index, and developing various user services permitted by the system.
As an improvement of the nuclear power plant wireless network access system, the special APP is also used for encrypting access information of the wireless terminal connected to the service access SSID and service interaction information sent to the system management platform when various user services are carried out; the control module of the system management platform is also used for encrypting the service interaction information sent to the wireless terminal when various user services are carried out.
As an improvement of the wireless network access system of the nuclear power plant, the special APP is further used for storing user data in an encrypted manner; the specific mode of the special APP for carrying out identity verification on the logged-in user is fingerprint identification or face identification.
Compared with the prior art, the invention improves the identity authentication and encryption of the common WiFi system, realizes the bidirectional authentication process, namely, the terminal authentication system and the system authenticate the terminal, obviously improves the network security level of the WiFi system, and improves the capability of the WiFi system for resisting the network security risk.
Drawings
The following describes a method and a system for accessing a wireless network of a nuclear power plant in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flowchart of a method for accessing a wireless network of a nuclear power plant according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a nuclear power plant wireless network access system according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
WiFi, also known as Wi-Fi, is an industry term promulgated by an organization named the Wireless Ethernet Compatibility Alliance (WECA), which is translated in Chinese as Wireless compatibility authentication. The short-range wireless transmission technology can support radio signals accessed to the Internet within a range of hundreds of meters.
Referring to fig. 1, the method for accessing a wireless network of a nuclear power plant according to the present invention includes:
Specifically, the identity authentication SSID can be represented by SSID1, and the service access SSID can be represented by SSID2, \8230, SSIDn.
Specifically, the identity authentication SSID is generated by performing an encryption algorithm on a common parameter (such as the current date, time or contents agreed by the system) and is used for performing identity authentication on the wireless terminal; the service access SSID is generated through an encryption algorithm and is used for different types of user service access.
Specifically, the identity authentication SSID and the service access SSID are both updated periodically, and are updated every day or every hour.
Specifically, the identity authentication SSID and the service access SSID both adopt a hidden mode, and the SSID is not publicly displayed.
Specifically, the wireless terminal may be a wireless device such as a mobile phone and a notebook computer.
Specifically, the specific way for the user to log in the wireless terminal through authentication is fingerprint identification or face identification, so as to determine that the user himself uses the wireless terminal.
And 103, verifying the validity of the identity of the wireless terminal according to the MAC address of the terminal, the public key of the terminal and the identity information of the login user, and allowing the wireless terminal with the legal identity to access to the identity authentication SSID.
Specifically, the wireless terminal is determined to be legitimate only if the terminal MAC address, the terminal public key, and the identity information of the login user all match.
Specifically, for a wireless terminal with an illegal identity, access is refused; and for the wireless terminal with legal identity, allowing access to the identity authentication SSID.
Specifically, the effective operation behavior of the wireless terminal accessed to the authentication SSID is strictly controlled, so that the wireless terminal can only perform operation related to authentication during the period of accessing to the authentication SSID and cannot perform other operation behaviors unrelated to authentication.
And 104, distributing a terminal ID (identity), a service access SSID (service set identifier) required to be accessed in the next step, a user password library and an index according to the category of the wireless terminal, encrypting the information by using a terminal public key and returning the information to the wireless terminal.
Specifically, a user code library is reserved for each wireless terminal, and the user code libraries corresponding to different wireless terminals are different. The user password library is updated periodically, and the user password library is synchronized with the wireless terminal before updating.
And 105, the wireless terminal receives the returned information, accesses the service access SSID by using the received user password library and the index, and develops each user service permitted by the system.
Specifically, the access information of the wireless terminal connected to the service access SSID and the service interaction information when various user services are developed are encrypted.
The invention improves the identity authentication and encryption of the common WiFi system, realizes the bidirectional authentication process, namely, the terminal authentication system and the system authenticate the terminal, obviously improves the network security level of the WiFi system, and improves the capability of the WiFi system for resisting the network security risk.
Referring to fig. 2, the nuclear power plant wireless network access system of the present invention includes a system management platform 20 and a wireless terminal 30, which communicate with each other in a wireless manner.
The system management platform 20 includes a setting module 201, a determining module 203, a control module 205, and a platform transceiver module 207.
A setting module 201, configured to set an identity authentication SSID and at least one service access SSID in the WiFi system.
Specifically, the identity authentication SSID can be represented by SSID1, and the service access SSID can be represented by SSID2, \8230, SSIDn.
Specifically, the identity authentication SSID is generated by performing an encryption algorithm on a common parameter (such as the current date, time or contents agreed by the system) and is used for performing identity authentication on the wireless terminal; the service access SSID is generated by an encryption algorithm and is used for different types of user service access.
Specifically, the identity authentication SSID and the service access SSID are both updated periodically, and are updated every day or every hour.
Specifically, the identity authentication SSID and the service access SSID both adopt a hidden mode, and the SSID is not publicly displayed.
The judging module 203 is configured to verify the validity of the identity of the wireless terminal according to the terminal MAC address reported by the wireless terminal, the terminal public key, and the identity information of the login user, and allow the wireless terminal with the valid identity to access to the authentication SSID.
Specifically, for a wireless terminal with an illegal identity, access is refused; and for the wireless terminal with legal identity, allowing access to the identity authentication SSID.
And the control module 205 is configured to allocate a terminal ID, a service access SSID required to be accessed next, a user password library and an index according to the category of the wireless terminal, and encrypt the information by using a terminal public key.
Specifically, the control module 205 is further configured to reserve a user code library for each wireless terminal, where the user code libraries corresponding to different wireless terminals are different. The control module 205 is also configured to periodically update the user password library, and synchronize with the wireless terminal before updating.
The control module 205 is further configured to strictly control an effective operation behavior of the wireless terminal accessing the authentication SSID, so as to ensure that the wireless terminal can only perform operations related to authentication during the period of accessing the authentication SSID and cannot perform other operation behaviors unrelated to authentication.
And the platform transceiver module 207 is configured to receive the terminal MAC address, the terminal public key, and the identity information of the login user, which are reported by the wireless terminal to the identity authentication SSID, and also configured to return the encrypted terminal ID, the service access SSID to be accessed next, the user password library, and the index to the wireless terminal.
The wireless terminal 30 comprises a terminal transceiver module 301 and a dedicated APP303. The wireless terminal 30 may be a mobile phone, a notebook computer, or other wireless devices.
The terminal transceiver module 301 is configured to report the terminal MAC address, the terminal public key, and the identity information of the login user to the identity authentication SSID, and is further configured to receive the terminal ID, the service access SSID to be accessed next, the user password library, and the index returned by the system management platform 20.
The special APP303 is configured to authenticate the logged-in user, access the service access SSID using the received user password library and the index, and perform various user services permitted by the system.
In particular, the dedicated APP303 is also used to store user data in an encrypted manner.
The specific mode of the special APP for carrying out identity verification on the logged-in user is fingerprint identification or face identification so as to determine that the user uses the wireless terminal.
Specifically, the special APP303 is further configured to encrypt access information that the wireless terminal is connected to the service access SSID, and service interaction information that is sent to the system management platform when various user services are performed; the control module of the system management platform is also used for encrypting the service interaction information sent to the wireless terminal when various user services are carried out.
As can be seen from the above detailed description of the present invention, the present invention improves the technology of the general WiFi system in the aspects of identity authentication and encryption, and realizes the bidirectional authentication process, i.e. the terminal authentication system and the system also authenticate the terminal, so that compared with the prior art, the present invention significantly improves the network security level of the WiFi system, and improves the capability of the WiFi system to resist the network security risk.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (13)
1. A nuclear power plant wireless network access method is characterized by comprising the following steps:
an identity authentication SSID and at least one service access SSID are set in a WiFi system;
after a user logs in a wireless terminal through identity verification, the wireless terminal reports a terminal MAC address, a terminal public key and identity information of a logged-in user to an identity authentication SSID;
verifying the validity of the identity of the wireless terminal according to the MAC address of the terminal, the public key of the terminal and the identity information of a login user, and allowing the wireless terminal with the legal identity to access to an identity authentication SSID; the effective operation behavior of the wireless terminal accessed to the identity authentication SSID is strictly controlled, and the wireless terminal is ensured to only perform identity authentication related operation and not perform other operation behaviors unrelated to identity authentication during the period of accessing the identity authentication SSID;
distributing a terminal ID, a service access SSID (service set identifier) required to be accessed next, a user password library and an index according to the category of the wireless terminal, encrypting the terminal ID, the service access SSID required to be accessed next, the user password library and the index by using a terminal public key and then returning the encrypted terminal ID, the service access SSID required to be accessed next, the user password library and the index to the wireless terminal;
and the wireless terminal receives the returned information, accesses the service access SSID by using the received user password library and the index, and develops various user services permitted by the system.
2. The nuclear power plant wireless network access method according to claim 1, wherein the identity authentication SSID is generated by performing an encryption algorithm on common parameters and is used for performing identity authentication on a wireless terminal; the service access SSID is generated through an encryption algorithm and is used for accessing different types of user services; the common parameter is the current date, time or the content appointed by the system.
3. The nuclear power plant wireless network access method according to claim 1, wherein the identity authentication SSID and the service access SSID are updated periodically and are hidden.
4. The nuclear power plant wireless network access method according to claim 1, wherein the specific way for the user to log in the wireless terminal through authentication is fingerprint recognition or face recognition.
5. The nuclear power plant wireless network access method according to claim 1, further comprising: reserving a user password library for each wireless terminal, wherein the user password libraries corresponding to different wireless terminals are different; and updating the user password library regularly, and completing synchronization with the wireless terminal before updating.
6. The nuclear power plant wireless network access method according to claim 1, further comprising: and the access information of the wireless terminal connected to the service access SSID and the service interaction information when various user services are carried out are encrypted.
7. A system management platform of a nuclear power plant wireless network is characterized by comprising:
the device comprises a setting module, a service access module and a service authentication identifier (SSID), wherein the setting module is used for setting an identity authentication SSID and at least one service access SSID in a WiFi system;
the judging module is used for verifying the validity of the identity of the wireless terminal according to the terminal MAC address reported by the wireless terminal, the terminal public key and the identity information of the login user, and allowing the wireless terminal with the legal identity to access to the identity authentication SSID;
the control module is used for distributing a terminal ID, a service access SSID (service set identifier) required to be accessed in the next step, a user password library and an index according to the category of the wireless terminal, and encrypting the terminal ID, the service access SSID required to be accessed in the next step, the user password library and the index by using a terminal public key; the control module is also used for strictly controlling the effective operation behavior of the wireless terminal accessed to the identity authentication SSID, ensuring that the wireless terminal can only perform the operation related to the identity authentication during the period of accessing the identity authentication SSID and cannot perform other operation behaviors unrelated to the identity authentication;
and the platform transceiver module is used for receiving the terminal MAC address, the terminal public key and the identity information of the login user reported by the wireless terminal to the identity authentication SSID, and is also used for returning the encrypted terminal ID, the service access SSID to be accessed next, the user password library and the index to the wireless terminal.
8. The system management platform of the nuclear power plant wireless network as claimed in claim 7, wherein the identity authentication SSID is generated by performing an encryption algorithm on common parameters and is used for performing identity authentication on a wireless terminal; the service access SSID is generated through an encryption algorithm and is used for accessing different types of user services; the common parameter is the current date, time or the content appointed by the system.
9. The system management platform of the nuclear power plant wireless network as claimed in claim 7, wherein the identity authentication SSID and the service access SSID are updated periodically and are hidden.
10. The system management platform of the nuclear power plant wireless network as claimed in claim 7, wherein the control module is further configured to reserve a user code library for each wireless terminal, and the user code libraries corresponding to different wireless terminals are different; and the user password database is used for updating the user password database periodically and completing synchronization with the wireless terminal before updating.
11. A wireless network access system of a nuclear power plant is characterized by comprising a system management platform and a wireless terminal, wherein the system management platform and the wireless terminal are communicated in a wireless mode;
the system management platform is the system management platform of any one of claims 7-10;
the wireless terminal includes:
the terminal transceiver module is used for reporting a terminal MAC address, a terminal public key and identity information of a login user to an identity authentication SSID, and is also used for receiving a terminal ID returned by the system management platform, a service access SSID required to be accessed in the next step, a user password library and an index;
and the special APP is used for carrying out identity authentication on the logged-in user, accessing the service access SSID by using the received user password library and the index, and developing various user services permitted by the system.
12. The nuclear power plant wireless network access system of claim 11, wherein the dedicated APP is further configured to encrypt access information that the wireless terminal is connected to a service access SSID, and service interaction information that is sent to the system management platform when various user services are performed; the control module of the system management platform is also used for encrypting the service interaction information sent to the wireless terminal when various user services are carried out.
13. The nuclear power plant wireless network access system of claim 11, wherein the dedicated APP is further configured to store user data in an encrypted manner; the specific mode of the special APP for carrying out identity verification on the logged-in user is fingerprint identification or face identification.
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| CN113507709B (en) * | 2021-09-10 | 2021-11-23 | 中国人民解放军总医院 | Automatic network connection method and device for medical equipment in scene of medical internet of things |
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| CN101296138B (en) * | 2007-04-28 | 2011-09-28 | 杭州华三通信技术有限公司 | Wireless terminal configuration generating method, system and device |
| CN103369527A (en) * | 2012-04-01 | 2013-10-23 | 腾讯科技（深圳）有限公司 | Method, device and system for WiFi (wireless fidelity) network sharing |
| US9053304B2 (en) * | 2012-07-13 | 2015-06-09 | Securekey Technologies Inc. | Methods and systems for using derived credentials to authenticate a device across multiple platforms |
| CN103873456B (en) * | 2012-12-18 | 2017-06-06 | 华为终端有限公司 | The access control method and WiFi equipment of WiFi equipment |
| US9124571B1 (en) * | 2014-02-24 | 2015-09-01 | Keypasco Ab | Network authentication method for secure user identity verification |
| CN105376738B (en) * | 2015-09-30 | 2019-04-19 | 小米科技有限责任公司 | Wireless network access method, device and system |
| CN107528712A (en) * | 2016-06-22 | 2017-12-29 | 中兴通讯股份有限公司 | The determination of access rights, the access method of the page and device |
| CN106851632B (en) * | 2017-01-22 | 2019-11-08 | 海尔优家智能科技（北京）有限公司 | A kind of method and device of smart machine access WLAN |
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| CN109587665B (en) * | 2018-11-20 | 2023-06-06 | 陕西师范大学 | WiFi networking method and device without SSID broadcasting |
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