CN104053153A - Wireless Mesh network access authentication method and system - Google Patents
Wireless Mesh network access authentication method and system Download PDFInfo
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- CN104053153A CN104053153A CN201410268583.6A CN201410268583A CN104053153A CN 104053153 A CN104053153 A CN 104053153A CN 201410268583 A CN201410268583 A CN 201410268583A CN 104053153 A CN104053153 A CN 104053153A
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Abstract
The invention provides a wireless Mesh network access authentication method and system. The method includes the steps that an MAP node receives access request information sent by a terminal; the MAP node inquires about whether a domain identification number exists in the access request information or not; if yes, the MAP node extracts the domain identification number in the access request information and compares the domain identification number with a standard domain identification number; if the domain identification number in the access request information is the same as the standard domain identification number, the MAP node allows the terminal to have access to the MAP node. According to the scheme, the terminal is authenticated by introducing the authentication method of replacing an 802.1x with the standard domain identification number; when the terminal has access to different MAP nodes by switching between the MAP nodes, authentication is directly conducted through the standard domain identification number, and therefore the procedure where the terminal has access to the MAP node is simplified, and access efficiency is improved.
Description
Technical field
The present invention relates to field of wireless, particularly relate to a kind of method and system of wireless Mesh netword access authentication.
Background technology
At present, Wireless Mesh (wireless mesh network) network is a kind of novel radio network technique, and the each node in Mesh network can communicate with one or more peer node.Between node, be connected in wireless multi-hop mode, can effectively increase coverage and the flexibility of network.But due to the opening of transmission medium, wireless network is easy to suffer rogue attacks, therefore, in wireless Mesh netword, need the network equipment of access to authenticate; Wherein, mainly contain two class access authentications: the first kind is terminal and MAP (Mesh Access Point, netted access point) between access authentication, Equations of The Second Kind is mesh node MPP (Mesh Point with a Portal, with door site), mutual certification between MP (Mesh Point, site), MAP.In prior art, for the access authentication of the first kind, be mainly to adopt 802.1x certification (access control based on Client/Server and authentication protocol) mode to authenticate; For the access authentication of Equations of The Second Kind, be mainly to adopt 802.1x authentication mode or PSK (a kind of network authentication mechanism) authentication mode to authenticate.But, because the identifying procedure of 802.1x authentication mode or PSK authentication mode is more, when terminal is switched access between different MAP nodes, need to repeatedly authenticate by 802.1x authentication mode, cause terminal access procedure complexity, access efficiency is low.
Summary of the invention
Based on this, while being necessary to switch between different MAP nodes for the terminal in background technology access, need to repeatedly authenticate by 802.1x authentication mode, cause the process complexity of terminal access MAP node, the problem that access efficiency is low, a kind of method of wireless Mesh netword access authentication is provided, simplifies the flow process of terminal access MAP node, improve access efficiency.
For achieving the above object, the technical scheme that the embodiment of the present invention adopts is as follows:
A method for wireless Mesh netword access authentication, comprises step:
The request access information that MAP node receiving terminal sends;
Whether existence domain identifier of MAP querying node described request access information;
If exist, the territory identifier of MAP Node extraction request access information the inside also contrasts with canonical domain identifier;
If contrast identically, MAP node allows the access of this terminal.
According to the method for above-mentioned a kind of wireless Mesh netword access authentication, the present invention also provides a kind of wireless Mesh netword access authentication system, comprises MAP node;
The request access information that described MAP node receiving terminal sends;
Whether existence domain identifier of described MAP querying node described request access information;
If exist, the territory identifier of described MAP Node extraction request access information the inside also contrasts with canonical domain identifier;
If contrast identically, described MAP node allows the access of this terminal.
According to the scheme of foregoing invention, introduce canonical domain identifier and replace 802.1x authentication mode to authenticate terminal; When terminal is switched access between different MAP, terminal sends request access information to MAP node; And then MAP node reception request access information, the territory identifier that extracts request access information the inside also contrasts with canonical domain identifier; If contrast identically, MAP node allows the access of this terminal.Without terminal repeatedly being authenticated by 802.1x authentication mode, simplify the flow process of terminal access MAP node, improve access efficiency.
Brief description of the drawings
Fig. 1 is the embodiment of the method flow chart of wireless Mesh netword access authentication of the present invention;
Fig. 2 be the method for wireless Mesh netword access authentication of the present invention in contrast the embodiment flow chart after not identical;
Fig. 3 is that the method for wireless Mesh netword access authentication of the present invention is at not embodiment flow chart when existence domain identifier of request access information;
Fig. 4 is wireless Mesh netword access authentication system structure chart of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein, only in order to explain the present invention, does not limit protection scope of the present invention.
Refer to Fig. 1, the embodiment of the method flow chart for wireless Mesh netword access authentication of the present invention:
The request access information that step S101:MAP node receiving terminal sends:
Described MAP node is the netted access point of accessing terminal to network, and in the time that terminal needs access network, terminal sends request access information to MAP node, and then request access.
Whether existence domain identifier of step S102:MAP querying node described request access information:
Described territory identifier is the identity label of terminal, can be a string spcial character particularly, can be also one group of identifying code; MAP node is receiving after the request access information of terminal, inquires about further whether existence domain identifier of described request access information.
Step S103: if exist, the territory identifier of MAP Node extraction request access information the inside also contrasts with canonical domain identifier:
Described canonical domain identifier is to be kept in advance in authentic MAP node; The territory identifier of described request access information the inside contrasts and refers to that whether the territory identifier and the canonical domain identifier that judge inside request access information be consistent with canonical domain identifier.
Step S104: if contrast identically, MAP node allows the access of this terminal:
After the territory identifier that judges the request access information the inside that terminal sends is identical with the canonical domain identifier contrast that is kept at MAP node, MAP node allows this terminal access.
Can see, the method for wireless Mesh netword access authentication of the present invention, creatively introduces canonical domain identifier terminal is authenticated, and without repeatedly authenticating, has simplified the flow process of terminal access MAP node, improves access efficiency.
In one embodiment, the method for wireless Mesh netword access authentication of the present invention can also comprise the steps: to please refer to Fig. 2, is the method for wireless Mesh netword access authentication of the present invention embodiment flow chart after contrast is not identical:
Step 201: if contrast is not identical, MAP node utilizes 802.1x authentication mode to authenticate this terminal:
Described 802.1x authentication mode refers to and adopts 802.11i standard agreement to authenticate, specifically comprises:
First, terminal is used EAP agreement (extendible authentication protocol) to differentiate by server;
Then, server sends reciprocity secret key PMK (Pairwise Master Key to terminal and MAP node respectively, two skeleton keys), wherein said reciprocity secret key PMK refers to that the secret key PMK that secret key PMK that server is issued terminal issues MAP node with server is mutually corresponding;
Finally, terminal and MAP node carry out four steps and shake hands, produce interim conversation secret key PTK (Pairwise Transient Key, the key of transient state) and realize certification, wherein said four steps are shaken hands and are referred to the authentication mechanism process of 802.11i standard agreement in prior art.
Step 202: if certification is passed through, MAP node allows this terminal access and sends canonical domain identifier to this terminal:
After MAP node utilizes 802.1x authentication mode to authenticate terminal to pass through, MAP node allows this terminal access and sends canonical domain identifier to this terminal; This terminal receives and preserves canonical domain identifier, in the time that this terminal asks to access MAP node again, directly authenticates by sending canonical domain identifier.
Step 203: if certification is not passed through, MAP node is forbidden this terminal access.
Describedly forbid that the access of this terminal refers to that MAP node judges that this terminal is illegal, forbids access.
In another embodiment, if not existence domain identifier of MAP querying node described request access information, the method of wireless Mesh netword access authentication of the present invention can also comprise the steps: to please refer to Fig. 3, for the method for wireless Mesh netword access authentication of the present invention is at not embodiment flow chart when existence domain identifier of request access information:
Step 301:MAP node utilizes 802.1x authentication mode to authenticate this terminal;
Step 302: if certification is passed through, MAP node allows this terminal access and sends canonical domain identifier to this terminal;
Step 303: if certification is not passed through, MAP node is forbidden this terminal access;
In some cases, the request access information that terminal sends may be lost territory identifier, or this terminal is to ask for the first time to access MAP node, be not saved in the canonical domain identifier that MAP node sends, in this case, can utilize 802.1x authentication mode to authenticate and obtain canonical domain identifier by above-mentioned steps, in the time again asking access authentication, directly the territory identifier using this canonical domain identifier as terminal sends to MAP node and authenticates access.
In another embodiment, before the request access information that the method for wireless Mesh netword access authentication of the present invention sends at MAP node receiving terminal, also comprise step:
MPP node utilizes 802.1x authentication mode or PSK authentication mode to authenticate the MP node in Mesh territory or MAP node, access by rear permission MP node or MAP node in certification and send canonical domain identifier to MP node or MAP node, wherein said canonical domain identifier is in each the MPP node setting in advance in Mesh territory;
MP node or MAP node receive and preserve canonical domain identifier;
And/or
In the time of new MAP node access MP node or MAP node, MP node or MAP node utilize 802.1x authentication mode or PSK authentication mode to authenticate new MAP node, are accessed and are sent canonical domain identifier to this new MAP node by this new MAP node of rear permission in certification;
New MAP node receives and preserves canonical domain identifier;
And/or
In the time of terminal access MAP node, MAP node utilizes 802.1x authentication mode to authenticate terminal, is accessed and is sent canonical domain identifier to terminal by this terminal of rear permission in certification;
Terminal receives and preserves canonical domain identifier.
Wherein, described Mesh territory refers to taking MPP node as core, adds that some MP nodes and MAP node form a Mesh territory, can be also that multiple MPP nodes add that some MP nodes and MAP node form a Mesh territory; Particularly, can be to lay point as a Mesh territory taking a wireless Mesh netword, for example, can be a company or colleges and universities etc.
Wherein, described PSK authentication mode is directly to use secret key PSK to replace the authentication mode of the secret key PMK in 802.1x authentication mode.
By above-mentioned steps, in the time arranging that networking is carried out in Mesh territory, each MPP node, MP node, MAP node or the terminal in Mesh territory utilizes 802.1x authentication mode or PSK authentication mode to authenticate and preserve the unique canonical domain identifier in this Mesh territory.In the time switching access between the different MAP of terminal in this Mesh territory, directly authenticate by canonical domain identifier, without repeatedly authenticating by 802.1x authentication mode, simplify the flow process of terminal access MAP node, improve access efficiency.
In another embodiment, the method for wireless Mesh netword access authentication of the present invention, in the time sending canonical domain identifier, can be encrypted described canonical domain identifier:
The mode of this encryption can be to adopt the session secret key of consulting between MPP node, MP node, MAP node or terminal to be encrypted, and can be also simple data encryption.By described canonical domain identifier is encrypted, can in the process sending, maliciously be stolen by Preventive standard territory identifier.
According to the method for above-mentioned a kind of wireless Mesh netword access authentication, the present invention also provides a kind of wireless Mesh netword access authentication system, refers to Fig. 4, is wireless Mesh netword access authentication system structure chart of the present invention:
A kind of wireless Mesh netword access authentication system, comprises MAP node;
The request access information that described MAP node receiving terminal sends;
Whether existence domain identifier of described MAP querying node described request access information;
If exist, the territory identifier of described MAP Node extraction request access information the inside also contrasts with canonical domain identifier;
If contrast identically, described MAP node allows the access of this terminal.
Wherein, described MAP node is the netted access point of accessing terminal to network, and in the time that terminal needs access network, terminal sends request access information to MAP node, and then request access.
Wherein, described territory identifier is the identity label of terminal, can be a string spcial character particularly, can be also one group of identifying code; MAP node is receiving after the request access information of terminal, inquires about further whether existence domain identifier of described request access information.
Wherein, described canonical domain identifier is to be kept in advance in authentic MAP node; The territory identifier of described request access information the inside contrasts and refers to that whether the territory identifier and the canonical domain identifier that judge inside request access information be consistent with canonical domain identifier.
Wherein, after the territory identifier that judges the request access information the inside that terminal sends is identical with the canonical domain identifier contrast that is kept at MAP node, MAP node allows this terminal access.
Can see, wireless Mesh netword access authentication system of the present invention, creatively introduces canonical domain identifier terminal is authenticated, and without repeatedly authenticating, has simplified the flow process of terminal access MAP node, improves access efficiency.
In one embodiment, wireless Mesh netword access authentication system of the present invention, when the territory identifier inside described request access information is not identical with the contrast of canonical domain identifier, also comprises:
If contrast not identically, described MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, described MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, described MAP node is forbidden this terminal access;
Wherein, described 802.1x authentication mode refers to and adopts 802.11i standard agreement to authenticate, specifically comprises:
First, terminal is used EAP agreement to differentiate by server;
Then, server sends reciprocity secret key PMK to terminal and MAP node respectively, and wherein said reciprocity secret key PMK refers to that the secret key PMK that secret key PMK that server is issued terminal issues MAP node with server is mutually corresponding;
Finally, terminal and MAP node carry out four steps shakes hands, and produces interim conversation secret key PTK and realizes certification, and wherein said four steps are shaken hands and referred to the authentication mechanism process of 802.11i standard agreement in prior art.
Wherein, described in, forbid that this terminal access refers to that MAP node judges that this terminal is illegal, forbids access.
After MAP node utilizes 802.1x authentication mode to authenticate terminal to pass through, MAP node allows this terminal access and sends canonical domain identifier to this terminal; This terminal receives and preserves canonical domain identifier, in the time that this terminal asks to access MAP node again, directly authenticates by sending canonical domain identifier.
In another embodiment, at MAP querying node described request access information, not when existence domain identifier, wireless Mesh netword access authentication system of the present invention, also comprises:
Described MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, described MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, described MAP node is forbidden this terminal access.
In some cases, the request access information that terminal sends may be lost territory identifier, or this terminal is to ask for the first time to access MAP node, be not saved in the canonical domain identifier that MAP node sends, in this case, can utilize 802.1x authentication mode to authenticate and obtain canonical domain identifier by above-mentioned steps, in the time again asking access authentication, directly the territory identifier using this canonical domain identifier as terminal sends to MAP node and authenticates access.
In another embodiment, wireless Mesh netword access authentication system of the present invention also comprises MPP node, MP node;
Before the request access information sending at MAP node receiving terminal, described MPP node utilizes 802.1x authentication mode or PSK authentication mode to authenticate the MP node in Mesh territory or MAP node, access by rear permission MP node or MAP node in certification and send canonical domain identifier to MP node or MAP node, wherein said canonical domain identifier is in each the MPP node setting in advance in Mesh territory;
Described MP node or described MAP node receive and preserve canonical domain identifier;
And/or
In the time that new MAP node accesses described MP node or described MAP node, described MP node or described MAP node utilize 802.1x authentication mode or PSK authentication mode to authenticate new MAP node, are accessed and are sent canonical domain identifier to this new MAP node by this new MAP node of rear permission in certification;
New MAP node receives and preserves canonical domain identifier;
And/or
In the time that terminal accesses described MAP node, described MAP node utilizes 802.1x authentication mode to authenticate terminal, is accessed and is sent canonical domain identifier to terminal by this terminal of rear permission in certification;
Terminal receives and preserves canonical domain identifier.
Wherein, described Mesh territory refers to taking MPP node as core, adds that some MP nodes and MAP node form a Mesh territory, can be also that multiple MPP nodes add that some MP nodes and MAP node form a Mesh territory; Particularly, can be to lay point as a Mesh territory taking a wireless Mesh netword, for example, can be a company or colleges and universities etc.
Wherein, described PSK authentication mode is directly to use secret key PSK to replace the authentication mode of the secret key PMK in 802.1x authentication mode.
By above-mentioned steps, in the time arranging that networking is carried out in Mesh territory, each MPP node, MP node, MAP node or the terminal in Mesh territory utilizes 802.1x authentication mode or PSK authentication mode to authenticate and preserve the unique canonical domain identifier in this Mesh territory.In the time switching access between the different MAP of terminal in this Mesh territory, directly authenticate by canonical domain identifier, without repeatedly authenticating by 802.1x authentication mode, simplify the flow process of terminal access MAP node, improve access efficiency.
In another embodiment, wireless Mesh netword access authentication system of the present invention, described MPP node, MP node and MAP node, in the time sending territory identifier, are encrypted described canonical domain identifier:
The mode of this encryption can be to adopt the session secret key of consulting between MPP node, MP node, MAP node or terminal to be encrypted, and can be also simple data encryption.By described canonical domain identifier is encrypted, can in the process sending, maliciously be stolen by Preventive standard territory identifier.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method for wireless Mesh netword access authentication, is characterized in that, comprises step:
The request access information that MAP node receiving terminal sends;
Whether existence domain identifier of MAP querying node described request access information;
If exist, the territory identifier of MAP Node extraction request access information the inside also contrasts with canonical domain identifier;
If contrast identically, MAP node allows the access of this terminal.
2. the method for wireless Mesh netword access authentication according to claim 1, is characterized in that, also comprises step:
If contrast not identically, MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, MAP node is forbidden this terminal access.
3. the method for wireless Mesh netword access authentication according to claim 1, is characterized in that, if not existence domain identifier of MAP querying node described request access information comprises step:
MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, MAP node is forbidden this terminal access.
4. the method for wireless Mesh netword access authentication according to claim 1, is characterized in that,
Before the request access information sending at MAP node receiving terminal, also comprise step:
MPP node utilizes 802.1x authentication mode or PSK authentication mode to authenticate the MP node in Mesh territory or MAP node, access by rear permission MP node or MAP node in certification and send canonical domain identifier to MP node or MAP node, wherein said canonical domain identifier is in each the MPP node setting in advance in Mesh territory;
MP node or MAP node receive and preserve canonical domain identifier;
And/or
In the time of new MAP node access MP node or MAP node, MP node or MAP node utilize 802.1x authentication mode or PSK authentication mode to authenticate new MAP node, are accessed and are sent canonical domain identifier to this new MAP node by this new MAP node of rear permission in certification;
New MAP node receives and preserves canonical domain identifier;
And/or
In the time of terminal access MAP node, MAP node utilizes 802.1x authentication mode to authenticate terminal, is accessed and is sent canonical domain identifier to terminal by this terminal of rear permission in certification;
Terminal receives and preserves canonical domain identifier.
5. according to the method for the wireless Mesh netword access authentication described in claim 1 to 4 any one, it is characterized in that, in the time sending canonical domain identifier, described canonical domain identifier is encrypted.
6. a wireless Mesh netword access authentication system, is characterized in that, comprises MAP node;
The request access information that described MAP node receiving terminal sends;
Whether existence domain identifier of described MAP querying node described request access information;
If exist, the territory identifier of described MAP Node extraction request access information the inside also contrasts with canonical domain identifier;
If contrast identically, described MAP node allows the access of this terminal.
7. wireless Mesh netword access authentication system according to claim 6, is characterized in that, also comprises:
If contrast not identically, described MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, described MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, described MAP node is forbidden this terminal access.
8. wireless Mesh netword access authentication system according to claim 6, is characterized in that, if not existence domain identifier of MAP querying node described request access information,
Described MAP node utilizes 802.1x authentication mode to authenticate this terminal;
If certification is passed through, described MAP node allows this terminal access and sends canonical domain identifier to this terminal;
If certification is not passed through, described MAP node is forbidden this terminal access.
9. wireless Mesh netword access authentication system according to claim 6, is characterized in that, also comprises MPP node, MP node;
Before the request access information sending at MAP node receiving terminal, described MPP node utilizes 802.1x authentication mode or PSK authentication mode to authenticate the MP node in Mesh territory or MAP node, access by rear permission MP node or MAP node in certification and send canonical domain identifier to MP node or MAP node, wherein said canonical domain identifier is in each the MPP node setting in advance in Mesh territory;
Described MP node or described MAP node receive and preserve canonical domain identifier;
And/or
In the time that new MAP node accesses described MP node or described MAP node, described MP node or described MAP node utilize 802.1x authentication mode or PSK authentication mode to authenticate new MAP node, are accessed and are sent canonical domain identifier to this new MAP node by this new MAP node of rear permission in certification;
New MAP node receives and preserves canonical domain identifier;
And/or
In the time that terminal accesses described MAP node, described MAP node utilizes 802.1x authentication mode to authenticate terminal, is accessed and is sent canonical domain identifier to terminal by this terminal of rear permission in certification;
Terminal receives and preserves canonical domain identifier.
10. wireless Mesh netword access authentication system according to claim 9, is characterized in that, described MPP node, MP node and MAP node, in the time sending territory identifier, are encrypted described canonical domain identifier.
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