CN103249040B - Method and device for wireless access authentication - Google Patents
Method and device for wireless access authentication Download PDFInfo
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- CN103249040B CN103249040B CN201210027511.3A CN201210027511A CN103249040B CN 103249040 B CN103249040 B CN 103249040B CN 201210027511 A CN201210027511 A CN 201210027511A CN 103249040 B CN103249040 B CN 103249040B
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- user equipment
- gateway device
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- equipment
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/041—Key generation or derivation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
- H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
- H04W12/122—Counter-measures against attacks; Protection against rogue devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a method and device for wireless access authentication, which relate to the field of wireless communication and can be used for preventing a secret key from being broken. The method comprises the following steps: the frequency of consecutive failures in access of first user equipment to gateway device is counted and recorded after that feature characters of the first user equipment are not prestored in the gateway device and the first user equipment fails to use a secret key for the first time to try to access the gateway device are judged; if the frequency is larger than a pre-arranged first threshold value, a new secret key can be generated, and WiFi access authentication is performed on user equipment of the gateway device of which the feature characters are prestored through the new secret key; and the embodiment of the invention is used for wireless access authentication.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of method and device of wireless access certification.
Background technology
With the development of radio communication, technology is increasingly for Wireless Fidelity (wireless fidelity, abbreviation WIFI)
Generally, WIFI access points access key safety also becomes the problem of technical staff's research, due at the beginning of existing WIFI access points
Beginning key is all that Default Value is good or the sequence of a completely random is provided for the default key of WIFI access points by manufacturer
Number, and general user will not change these Default Values, and these keys are all unalterable, and user uses all the time this
Key, as long as hacker has found that rule therein or the method to travel through attack WIFI access points, then will be to WIFI equipment
Safety affect greatly, so, it is impossible to ensure that user normally uses WIFI equipment, and if connected by hacker
It is that user brings great inconvenience in WIFI equipment, it is impossible to ensure the interests of user.
The content of the invention
Embodiments of the invention provide a kind of method and device of wireless access certification, to prevent key to be cracked.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
On the one hand, there is provided a kind of method of wireless access certification, including：
It is not pre-stored in gateway device in the tagged word for judging first user equipment, and the first user equipment makes first
Attempted access to after gateway device failure with key,
Count and record the number of times of the continuous failure of the first user equipment accessing gateway equipment；
If the number of times is more than default first threshold, generate new key, and by the new key to tagged word not
Being pre-stored in the user equipment of gateway device carries out WIFI access authentications.
On the one hand, there is provided a kind of device of wireless access certification, including：
Judging unit, for judging whether the tagged word of first user equipment is pre-stored in gateway device, and described
Whether one user equipment attempts access to gateway device using key first successful；
Statistic record unit, counts and records the number of times of the continuous failure of the first user equipment accessing gateway equipment；
Key generating unit, for after the number of times is more than default first threshold, generating new key；
Authentication ' unit, the user equipment for not being pre-stored in gateway device to tagged word by the new key carries out WIFI
Access authentication.
The method and device of wireless access certification provided in an embodiment of the present invention, is not pre-stored in gateway and sets in judging characteristic word
User equipment in standby is more than after default first threshold with the number of times of gateway device connection failure, generates new key, and passes through
The new key is not pre-stored in the user equipment of gateway device to tagged word and carries out WIFI access authentications, so, raw with dynamic
Into the mode of new key, it is therefore prevented that key is cracked.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is one of schematic flow sheet of method of wireless access certification provided in an embodiment of the present invention；
Fig. 2 is the two of the schematic flow sheet of the method for wireless access certification provided in an embodiment of the present invention；
Fig. 3 is the three of the schematic flow sheet of the method for wireless access certification provided in an embodiment of the present invention；
Fig. 4 is the four of the schematic flow sheet of the method for wireless access certification provided in an embodiment of the present invention；
Fig. 5 is one of schematic diagram of device of wireless access certification provided in an embodiment of the present invention；
Fig. 6 is the two of the schematic diagram of the device of wireless access certification provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The method of wireless access certification provided in an embodiment of the present invention, under normal conditions, the executive agent of this method is
Gateway, gateway is when using intercommunication is carried out between different architecture or the network of agreement, for providing protocol conversion, route
The facility of the Web-compatible function such as selection, data exchange.When there is equipment to pass through gateway transmission data, gateway typically can be recorded
The tagged word of the equipment of data is sent by it, for future use, the tagged word of the equipment is equipment " identity card ", such as equipment
Physical address (Media Access Control, abbreviation MAC) etc..Gateway device in the present embodiment can be specially WIFI
Equipment or wireless router etc..The method as shown in figure 1, including：
S101, is not pre-stored in gateway device in the tagged word for judging first user equipment, and first user equipment is first
Attempt access to after gateway device failure, count and record what the first user equipment accessing gateway equipment continuously failed using key
Number of times.
Preferably, this feature word either organization unique identifier (OUI) or can go out plant for physical address (MAC)
Serial number (SN) or IP address, illustrate in the present embodiment by taking MAC as an example.
Specifically, as shown in Fig. 2 when first user equipment is attempted being connected with gateway device first, using first first
The MAC of family equipment is matched with the MAC prestored in MAC inventories in gateway device or MAC lists, to judge first user equipment
MAC whether be the MAC being pre-stored in gateway device, if the MAC for judging first user equipment is pre-stored in gateway device
MAC, then carry out WIFI access authentications by original cipher key to first user equipment, before the original cipher key is to generate new key, user
Equipment and gateway device carry out the key used during WIFI access authentications；If the MAC for judging first user equipment does not prestore
MAC in gateway device, then judge that whether successful first user equipment is connected with gateway device, if judgement is unsuccessful, unite
Count and record the number of times of the continuous failure of first user equipment accessing gateway equipment.
Exemplary, in the present embodiment original cipher key is 123456, when user equipment first attempts to be connected with gateway device,
Judge that user equipment first is the user equipment that MAC is not pre-stored in gateway device, and user equipment first is with gateway device first
After using non-123456 password connection failure, the number of times of the continuous failure of user equipment first accessing gateway equipment is counted and recorded.
S102, if the number of times is more than default first threshold, generates new key, and by the new key to tagged word not
Being pre-stored in the user equipment of gateway device carries out WIFI access authentications.
It is exemplary, continuously carried out as a example by failure 10 times by counting user equipment first accessing gateway equipment in above-mentioned steps
Illustrate, default first threshold is 8 times, the number of times of the continuous failure of user equipment first is then given birth to more than after default first threshold 8
Into new key 546213, after new key is generated, MAC is not pre-stored in the user equipment second of gateway device after user equipment first
Also gateway device is connected, then the new key 546213 by generating carries out WIFI access authentications to user equipment second, so,
When attempting breaking cryptographic keys with gateway device connection is connected if illegitimate user equipment, gateway can automatically change key, due to non-
Method user equipment is difficult to learn new key, therefore effectively prevent key and be cracked.
The method of wireless access certification provided in an embodiment of the present invention, is not pre-stored in gateway device in judging characteristic word
User equipment is more than after default first threshold with the number of times of gateway device connection failure, generates new key, and by the Xinmi City
Key is not pre-stored in the user equipment of gateway device to tagged word and carries out WIFI access authentications, so, with dynamic Xinmi City is generated
The mode of key, it is therefore prevented that key is cracked.
If it should be noted that judge that the MAC of user equipment for attempting access to gateway device is pre-stored in gateway device,
After the equipment obtains new key, the user equipment that gateway device can also be pre-stored in the MAC by new key carries out WIFI
Access authentication.
Further, after new key is generated, as shown in figure 3, the method also includes：
S103, received by radio port and from tagged word be pre-stored in gateway device and success identity is to WIFI access points
The new key of user equipment check message.
S104, the new key is sent to the user equipment.
Exemplary, illustrating as a example by user equipment first in above step, the user that MAC is pre-stored in gateway device sets
Standby third after original cipher key and gateway device are set up and are wirelessly connected, and user equipment first attempts a connection to the gateway device, due to not knowing
Road new key 546213 thus be can not by wireless access on the gateway device, but, user equipment third can be to the net
Pass equipment sends the message for checking new key, treats that the gateway device receives looking into from user equipment third by radio port
After seeing new key message, by the new key 546213 further through being wirelessly transmitted to user equipment third, the use of user equipment third
Family is told again the user of user equipment first by new key.So, user equipment first can just learn Xinmi City by user equipment third
Key is simultaneously wirelessly connected on the gateway device, so, both ensure that MAC had not been pre-stored in the user equipment of gateway device just
The gateway device is often used, but dynamic generates new key, it is therefore prevented that and key is cracked.
As another implementation of the invention, after new key is generated, as shown in figure 4, can also include：
S105, message is checked by the new key of physical port receive user equipment.
S106, the new key is sent to the user equipment.
Exemplary, upper user equipment first can also be directly connected on the physical port of gateway device, set to gateway
Preparation is sent and checks new key message, after the gateway device receive physical port transmission check new key message after, by thing
Reason port sends new key 546213 and gives user equipment first, and such user equipment first just can be further through nothing after new key is obtained
Line is connected on gateway device, and similarly, user equipment third not only can be by wirelessly checking new key 546213, can be with
Checked by being linked on the physical port of gateway device, so, also ensure that MAC is not pre-stored in gateway device
User equipment normally uses the gateway device.
Preferably, it is pre-stored in after the user equipment of gateway device all used new key 546213 after tagged word, may be used also
It is invalid so that original cipher key 123456 to be set to, so, more effectively prevent key to be cracked.
Preferably, can also treat that tagged word is pre-stored in the user equipment of gateway device and has all used newly in the present embodiment
After key, it is allowed to which initially use dispatch from the factory key and gateway device complete the user equipment that certification is connected and use key and the gateway of dispatching from the factory
Equipment is authenticated connection, and other original cipher keys are set to invalid, and so, be effectively prevented that key is cracked is same
When, it is ensured that user normally uses gateway device.
Preferably, the number of times of the continuous failure of the first user equipment accessing gateway equipment is counted and recorded in S101,
Can also be：Count and record the first user equipment accessing gateway equipment in default very first time thresholding continuously to fail
Number of times.
Exemplary, it is 1 minute to preset the very first time thresholding, can count and record user equipment first in 1 minute
The number of times being connected with gateway device, if the number of times is more than default first threshold, generates new key, so, more effectively
Judge whether need to change key, so as to further prevent key to be cracked.
The device 50 of wireless access certification provided in an embodiment of the present invention, as shown in figure 5, including,
Judging unit 501, for judging whether the tagged word of first user equipment is pre-stored in gateway device, and first
Whether user equipment attempts access to gateway device using key first successful.
Preferably, this feature word either organization unique identifier (OUI) or can go out plant for physical address (MAC)
Serial number (SN) or IP address, illustrate in the present embodiment by taking MAC as an example.
Exemplary, in the present embodiment, when user equipment first attempts to be connected with gateway device first, judging unit 501
Judge that whether the user equipment first is that MAC is pre-stored in the user equipment of gateway device, and judge the user equipment first and gateway
Whether equipment first connection fails.
Statistic record unit 502, counts and records the number of times of the continuous failure of the first user equipment accessing gateway equipment.
Exemplary, original cipher key is 123456, when judging unit 501 judges that user equipment first is not pre-stored in gateway for MAC
The user equipment of equipment, and judge after the user equipment first first connection failure, to count and record user equipment first and attempt to connect
The number of times of the continuous failure of function Access Gateway equipment.
Key generating unit 503, for after the number of times is more than default first threshold, generating new key.
Exemplary, if counting continuously failure 10 times of user equipment first accessing gateway equipment in statistic record unit 502,
Default first threshold is 8 times, and so, the number of times of the continuous failure of user equipment first is more than default first threshold, then generate new
Key 546213.
Authentication ' unit 504, the user equipment for not being pre-stored in gateway device to tagged word by the new key is carried out
WIFI access authentications.
Exemplary, after Key generating unit 503 generates new key, MAC is not pre-stored in the user equipment of gateway device
Second also connects gateway device after user equipment first, then the new key 546213 by generating carries out WIFI to user equipment second
Access authentication, so, when attempting breaking cryptographic keys with gateway device connection is connected if illegitimate user equipment, gateway can be certainly
Dynamic change key, to prevent key to be cracked.
The device of wireless access certification provided in an embodiment of the present invention, is not pre-stored in gateway device in judging characteristic word
User equipment is more than after default first threshold with the number of times of gateway device connection failure, generates new key, and by the Xinmi City
Key is not pre-stored in the user equipment of gateway device to tagged word and carries out the access authentication of WIFI, so, is generated with dynamic new
The mode of key, it is therefore prevented that key is cracked.
Wherein, it is preferred that authentication ' unit 504, it is additionally operable to judge to attempt access to the user of gateway device in judging unit 501
After the tagged word of equipment is pre-stored in gateway device, the user equipment that this feature word is pre-stored in gateway device is entered by new key
Row WIFI access authentications.
Exemplary, MAC is pre-stored in the user equipment third of gateway device and attempts to connect on gateway device, then close by original
123456 pairs of user equipmenies of key third carry out WIFI certification accesses, and certain user equipment third can also make after new key is obtained
Accessed with new key 546213 and gateway device.
Further, normally set using the gateway to ensure that tagged word is not pre-stored in the user equipment of gateway device
It is standby, as shown in fig. 6, the device 50 also includes：
Receiving unit 505, gateway device and success identity are pre-stored in for receiving by radio port from tagged word
New key to the user equipment of WIFI access points checks message.
Sending module 506, for sending the new key to the user equipment.
Exemplary, when the user equipment third that above-mentioned MAC is pre-stored in gateway device passes through wirelessly to be connected with gateway device
Afterwards, user equipment first attempts a connection to the gateway device, due to not knowing new key 546213 so being can not to pass through wirelessly to connect
Enter on the gateway device, but, user equipment third can send the message for checking new key to the gateway device, treat this
Receiving unit 505 is received by radio port and checks that after new key message, transmitting element 506 is new by this from user equipment third
Further through user equipment third is wirelessly transmitted to, so, user equipment first can be obtained key 546213 by user equipment third
After knowing new key, it is possible to by being wirelessly connected on the gateway device, so, both ensure that MAC was not pre-stored in net
The user equipment of pass equipment normally uses the gateway device, and dynamic generates new key, it is therefore prevented that key is cracked.
Further, normally set using the gateway to ensure that tagged word is not pre-stored in the user equipment of gateway device
It is standby, in the device 50,
Receiving unit 505, is additionally operable to check message by the new key of physical port receive user equipment.
Transmitting element 506, is additionally operable to send the new key to the user equipment.
Exemplary, upper user equipment first can also be directly connected on the physical port of gateway device, set to gateway
Preparation is sent and checks new key message, after the receiving unit 505 receive physical port transmission check new key message after, send
Unit 506 sends new key 546213 and gives user equipment first by physical port, and such user equipment first is after new key is obtained
Just can be further through being wirelessly connected on gateway device, similarly, user equipment third not only can be by wirelessly checking Xinmi City
Key 546213, can also be checked by being linked on the physical port of gateway device, so, also ensure that MAC not
The user equipment for being pre-stored in gateway device normally uses the gateway device.
Preferably, it is pre-stored in after the user equipment of gateway device all used new key 546213 after tagged word, may be used also
It is invalid so that original cipher key 123456 to be set to, so, more effectively prevent key to be cracked.
Preferably, in order to more effectively judge whether to need to change key, statistic record unit 502 is additionally operable to, and statistics is simultaneously
The number of times of the continuous failure of record first user equipment accessing gateway equipment in default very first time thresholding.
Exemplary, it is 1 minute to preset the very first time thresholding, and the user that statistic record unit 502 is counted and recorded sets
The number of times that standby first was connected in 1 minute with gateway device, if the number of times is more than default first threshold, generates new key,
So, more effectively judged whether need to change key, so as to further prevent key to be cracked.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (9)
1. a kind of method of wireless access certification, it is characterised in that include：
It is not pre-stored in gateway device in the tagged word for judging first user equipment, and the first user equipment is first using close
Key is attempted access to after gateway device failure, counts and record the secondary of the continuous failure of the first user equipment accessing gateway equipment
Number；
If the number of times is more than default first threshold, new key is generated, and tagged word is not prestored by the new key
WIFI access authentications are carried out in the user equipment of gateway device；
Wherein, after the generation new key, also include：
Gateway device is pre-stored in from tagged word by radio port reception and success identity sets to the user of WIFI access points
Standby new key checks message；
The new key is sent to the user equipment.
2. the method for wireless access certification according to claim 1, it is characterised in that also include：
If judging, the tagged word of user equipment for attempting access to gateway device is pre-stored in gateway device, by original cipher key or
The new key is pre-stored in the user equipment of gateway device to the tagged word and carries out WIFI access authentications.
3. the method for wireless access certification according to claim 1, it is characterised in that after the generation new key, also
Including：
Message is checked by the new key of physical port receive user equipment；
The new key is sent to the user equipment.
4. the method for wireless access certification according to claim 1, it is characterised in that count and record the first user
The number of times of the continuous failure of equipment accessing gateway equipment, including,
Count and record the secondary of the continuous failure of the first user equipment accessing gateway equipment in default very first time thresholding
Number.
5. the method for the wireless access certification according to Claims 1 to 4 any one, it is characterised in that the tagged word
For physical address (MAC), either organization unique identifier (OUI) either dispatches from the factory equipment Serial Number (SN) or IP address.
6. a kind of device of wireless access certification, it is characterised in that include：
Judging unit, for judging whether the tagged word of first user equipment is pre-stored in gateway device, and described first uses
Whether family equipment attempts access to gateway device using key first successful；
Statistic record unit, counts and records the number of times of the continuous failure of the first user equipment accessing gateway equipment；
Key generating unit, for after the number of times is more than default first threshold, generating new key；
Authentication ' unit, the user equipment for not being pre-stored in gateway device to tagged word by the new key carries out WIFI accesses
Certification；
Receiving unit, from tagged word gateway device is pre-stored in and success identity connects to WIFI for receiving by radio port
The new key of the user equipment of access point checks message；
Transmitting element, for sending the new key to the user equipment.
7. the device of wireless access certification according to claim 6, it is characterised in that
Authentication ' unit, is additionally operable to judge that the tagged word of the user equipment for attempting access to gateway device is pre-stored in judging unit described
After in gateway device, the user equipment that gateway device is pre-stored in the tagged word by the new key carries out WIFI accesses to be recognized
Card.
8. the device of wireless access certification according to claim 6, it is characterised in that
The receiving unit, is additionally operable to check message by the new key of physical port receive user equipment；
The transmitting element, is additionally operable to send the new key to the user equipment.
9. the device of wireless access certification according to claim 6, it is characterised in that
The statistic record unit is specifically for counting and recording the first user equipment in default very first time thresholding
The number of times of the continuous failure of accessing gateway equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210027511.3A CN103249040B (en) | 2012-02-08 | 2012-02-08 | Method and device for wireless access authentication |
| PCT/CN2013/070886 WO2013117131A1 (en) | 2012-02-08 | 2013-01-23 | Wireless access authentication method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210027511.3A CN103249040B (en) | 2012-02-08 | 2012-02-08 | Method and device for wireless access authentication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103249040A CN103249040A (en) | 2013-08-14 |
| CN103249040B true CN103249040B (en) | 2017-04-26 |
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ID=48928206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210027511.3A Expired - Fee Related CN103249040B (en) | 2012-02-08 | 2012-02-08 | Method and device for wireless access authentication |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103249040B (en) |
| WO (1) | WO2013117131A1 (en) |
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| CN104093148A (en) * | 2014-06-30 | 2014-10-08 | 广东九联科技股份有限公司 | WIFI automatic connection authorization method based on Bluetooth |
| CN104333863B (en) * | 2014-10-20 | 2018-11-30 | 小米科技有限责任公司 | Connection management method and device, electronic equipment |
| US9913315B2 (en) | 2014-10-20 | 2018-03-06 | Xiaomi Inc. | Method and device for connection management |
| CN106341815B (en) * | 2015-07-17 | 2020-11-27 | 中兴通讯股份有限公司 | Wireless connection method, terminal and AP |
| CN106454835A (en) * | 2015-08-04 | 2017-02-22 | 中兴通讯股份有限公司 | Wireless accessing method and apparatus |
| CN106686590A (en) * | 2015-11-10 | 2017-05-17 | 中兴通讯股份有限公司 | Controlled terminal identification method, controlled terminal management method, controlled terminal identification device, controlled terminal management device and wireless access point equipment |
| CN105516093B (en) * | 2015-11-30 | 2018-10-12 | 上海斐讯数据通信技术有限公司 | A kind of method and router of anti-loiter network |
| CN105451225B (en) * | 2016-01-21 | 2020-02-21 | 上海斐讯数据通信技术有限公司 | Access authentication method and access authentication equipment |
| CN105610866A (en) * | 2016-02-18 | 2016-05-25 | 四川长虹电器股份有限公司 | System and method for automatically accessing intelligent equipment to home wireless local area network |
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| CN102204307A (en) * | 2011-06-15 | 2011-09-28 | 华为技术有限公司 | Wlan authentication method based on MAC address and device thereof |
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| CN103249040A (en) | 2013-08-14 |
| WO2013117131A1 (en) | 2013-08-15 |
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