CN102006589B

CN102006589B - Method, device and system for connecting wireless local area network authentication and privacy infrastructure modules

Info

Publication number: CN102006589B
Application number: CN2009101672908A
Authority: CN
Inventors: 周正林
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2009-09-02
Filing date: 2009-09-02
Publication date: 2013-07-03
Anticipated expiration: 2029-09-02
Also published as: CN102006589A; WO2011026328A1

Abstract

The invention discloses a method, a device and a system for connecting a wireless authentication and privacy infrastructure (WAPI) modules for solving the problem that the implementation process of a WAPI module connection scheme is troublesome in the prior art. The method comprises that: a first wireless local area network authentication and privacy infrastructure (WAPI) module in a mobile terminal acquires pre-stored address information of a second WAPI module in vehicle-mounted hand-free equipment; the second WAPI module which corresponds to the acquired address information is searched according to the acquired address information; and the first WAPI module establishes communication link with the found second WAPI module based on a WAPI protocol.

Description

WLAN (wireless local area network) is differentiated confidentiality foundation structure module connecting method, Apparatus and system

Technical field

The present invention relates to communication technical field, relate in particular to a kind of method of attachment, Apparatus and system of WAPI module.

Background technology

Regulation according to new traffic method, the driver can not converse by handheld mobile phone on the run, therefore, the mobile phone on-vehicle hands-free device produces thus, at present, on-vehicle hands-free device all is to utilize Bluetooth technology mostly, set up comprise support Bluetooth technology module (for convenience of description, to support that below the module of Bluetooth technology abbreviates bluetooth module as) on-vehicle hands-free device and mobile phone between be connected, thereby realize the signal transmission between on-vehicle hands-free device and the mobile phone, yet the defective of this mode is that may there be the problem of fail safe in the voice transfer process.And WLAN authentication and privacy infrastructure (WAPI, Wireless LANAuthentication and Privacy Infrastructure) be WLAN (wireless local area network) (WLAN, Wireless LocalArea Network) a kind of secure transfer protocol in, it is at the EP protocol security problem among the IEEE 802.11, the wlan security solution that in Chinese WLAN (wireless local area network) standard GB 15629.11, proposes, its main feature is the certificate mechanism that adopts based on the public key cryptography system, really realized two-way discriminating between portable terminal (MT) and WAP (wireless access point) (AP), made the information transmission between MT and the AP safer.

In the prior art, utilization comprise support the WAPI technology module (for convenience of description, below will support the module of WAPI technology to abbreviate the WAPI module as) on-vehicle hands-free device when realizing the conversation of mobile phone and on-vehicle hands-free device, the scheme that the on-vehicle hands-free device that comprises bluetooth module in scheme and the prior art and mobile phone use is set up in the connection of adopting when connecting similar, be that mobile phone is searched the WAPI module in the on-vehicle hands-free device earlier, and the WAPI module that finds fed back to the user, after user's manual confirmation target WAPI module, set up being connected between mobile phone and the on-vehicle hands-free device again.

Owing to adopt above-mentioned WAPI module connectivity scenario of the prior art, may find a plurality of WAPI modules, also needing to select from a plurality of WAPI modules target WAPI module establishes a communications link, this shows that there is the cumbersome problem of implementation procedure in WAPI module connectivity scenario of the prior art.

Summary of the invention

The embodiment of the invention provides a kind of method of attachment, Apparatus and system of WAPI module, in order to solve the cumbersome problem of implementation procedure of the WAPI module connectivity scenario that exists in the prior art.

For this reason, the embodiment of the invention is by the following technical solutions:

A kind of WLAN (wireless local area network) is differentiated the method for attachment of confidentiality foundation structure module, comprising: the address information of the 2nd WAPI module in the on-vehicle hands-free device that first WLAN (wireless local area network) discriminating confidentiality foundation structure WAPI module in the portable terminal obtains to store in advance; According to the address information of described acquisition, search the two 5WAPI module corresponding with the address information of described acquisition; A described WAPI module sends the message that request obtains the address information of described the 2nd WAPI module that finds to described the 2nd WAPI module that finds; A described WAPI module receives described the 2nd WAPI module that finds according to the address information of the 2nd WAPI module of described message feedback; And a described WAPI module is when the address information that relatively obtains described the 2nd WAPI module that the finds address information of feeding back and the 2nd WAPI module of storing in advance is consistent, based on the WAPI agreement, establish a communications link with described the 2nd WAPI module that finds.

Preferably, described the 2nd WAPI module that finds address information from the 2nd WAPI module to a described WAPI module that feed back specifically comprises: described the 2nd WAPI module that finds parses key information from described message; Described the 2nd WAPI module that finds is at the key information that relatively obtains described key information and storage in advance when consistent, and the address information of described the 2nd WAPI module that finds is fed back to a described WAPI module.

Preferably, the pattern that communicates to connect of described the 2nd WAPI module is pre-arranged to need not the pattern that the user confirms automatically and the portable terminal realization communicates to connect.

A kind of WLAN (wireless local area network) is differentiated confidentiality foundation structure WAPI device, comprising: memory cell, for the address information of the WAPI module of storing on-vehicle hands-free device; Obtain the unit, be used for obtaining the address information of WAPI module of the described equipment of cell stores; Search the unit, be used for searching the WAPI module corresponding with described address information according to obtaining the address information that the unit obtains; Sending module is used for sending the message that request obtains the address information of the described WAPI module that finds to searching the WAPI module that the unit finds; Receiver module is for the address information of this WAPI module that finds that receives the described WAPI module feedback that finds; Communicate to connect and set up module, be used for when the address information that relatively obtains the receiver module address information that receives and the WAPI module of storing in advance is consistent, based on the WAPI agreement, establishing a communications link with the described WAPI module that finds.

A kind of WLAN (wireless local area network) is differentiated the connected system of confidentiality foundation structure module, comprise that first WLAN (wireless local area network) in the portable terminal differentiates the 2nd WAPI module in confidentiality foundation structure WAPI module and the on-vehicle hands-free device, wherein: a described WAPI module specifically comprises: sub module stored, for the address information of described the 2nd WAPI module of storage; Obtain submodule, be used for the address information of described the 2nd WAPI module of acquisition sub module stored storage; Search submodule, be used for the address information according to described the 2nd WAPI module that obtains the submodule acquisition, search described the 2nd WAPI module; Send submodule, be used for sending the message that request obtains the address information of described the 2nd WAPI module that finds to searching the 2nd WAPI module that submodule finds; Receive submodule, be used for receiving described the 2nd WAPI module that finds after receiving the message that sends the submodule transmission, the address information of described the 2nd WAPI module that finds of feedback; Comparison sub-module, whether be used for relatively receiving the described address information that submodule receives consistent with the address information of the 2nd WAPI module of storing in advance; Communicate to connect and set up submodule, be used for the comparative result that obtains in comparison sub-module when being, based on the WAPI agreement, establish a communications link with described the 2nd WAPI module that finds.

The embodiment of the invention is by storing the address information of the WAPI module in the on-vehicle hands-free device in advance in portable terminal, thereby when the WAPI module in the on-vehicle hands-free device is searched, can on purpose search according to this address information, lookup result just has only a unique WAPI module, i.e. WAPI module in this on-vehicle hands-free device of this address information correspondence, thereby this method that the embodiment of the invention provides can not find a plurality of WAPI modules, also need not from a plurality of WAPI modules that find, to choose target WAPI module and communicate connection, get final product but only need be connected with a unique target WAPI module that finds, therefore the cumbersome problem of WAPI module connectivity scenario implementation procedure of having avoided prior art to provide.

Description of drawings

The specific implementation schematic flow sheet of the method for attachment of a kind of WAPI module that Fig. 1 provides for the embodiment of the invention;

Fig. 2 comprises the concrete structure schematic diagram of a kind of on-vehicle hands-free device of bluetooth module for prior art;

The method of attachment that Fig. 3 provides for the embodiment of the invention at the concrete structure schematic diagram of the on-vehicle hands-free device that comprises the WAPI module;

Concrete implementing procedure when the method for attachment of the WAPI module that Fig. 4 provides for the embodiment of the invention is applied to as shown in Figure 3 on-vehicle hands-free device connected;

The concrete structure schematic diagram of a kind of WAPI device that Fig. 5 provides for the embodiment of the invention;

The concrete structure schematic diagram of the connected system of a kind of WAPI module that Fig. 6 provides for the embodiment of the invention.

Embodiment

The connectivity scenario of the WAPI module that the embodiment of the invention provides is by storing the address information of the WAPI module in the on-vehicle hands-free device in advance in portable terminal, thereby when the WAPI module in the on-vehicle hands-free device is searched, can be according to this address information, a unique WAPI module is on purpose searched, and establish a communications link with this unique WAPI module that finds, thereby this scheme that adopts the embodiment of the invention to provide can not find a plurality of WAPI modules, also need not from a plurality of WAPI modules that find, to choose target WAPI module and communicate connection, therefore the cumbersome problem of WAPI module connectivity scenario implementation procedure of having avoided prior art to provide.

Be explained in detail to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.

The embodiment of the invention at first provides a kind of method of attachment of WAPI module, and the realization flow schematic diagram of this method may further comprise the steps as shown in Figure 1:

Step 11, the address information of the 2nd WAPI module in the on-vehicle hands-free device that the WAPI module in the portable terminal that the user uses obtains to store in advance, and according to this address information of this acquisition, search corresponding the 2nd WAPI module with this address information, wherein, the address information of the 2nd WAPI module can but be not limited to the medium access control (MAC of the 2nd WAPI module, MediaAccess Control) address information, and, the address information of the 2nd WAPI module can but be not limited to be stored in the memory cell of portable terminal self, or be stored in the sub module stored of a WAPI module self, implementation at the address information of storing the 2nd WAPI module, on the one hand, can be after a WAPI module establishes a communications link for the first time according to the scheme of prior art and the 2nd WAPI module, the one WAPI module has just been preserved this address information automatically, thereby follow-uply rebulid when communicating to connect again, the one WAPI module just can be utilized this address information of preservation, search the 2nd WAPI module, on the other hand, also can be after detecting the address information that the user imports the 2nd WAPI module in the portable terminal, this address information is preserved;

Step 12, the one WAPI module is based on the WAPI agreement, establish a communications link with the 2nd WAPI module that finds, particularly, in order to confirm that further this 2nd WAPI module that finds is exactly the target WAPI module that will connect, in this step 12, the one WAPI module can be after finding the 2nd WAPI module, send the message that request obtains the address information of the 2nd WAPI module to this 2nd WAPI module that finds, and when the address information that relatively obtains this 2nd WAPI module that the finds address information of feeding back and the 2nd WAPI module of storing in advance is consistent, illustrate that the 2nd WAPI module that finds is correct target WAPI module, thereby based on the WAPI agreement, establish a communications link with this 2nd WAPI module that finds.

Above-mentioned the 2nd WAPI module that finds is to be that a WAPI module can carry out authentication to this 2nd WAPI module that finds to the purpose of a WAPI module feedback addresses information, in order to avoid be connected to wrong or illegal WAPI module on, and similarly, the 2nd WAPI module also can be verified the identity of a WAPI module, particularly, above-mentioned the 2nd WAPI module that finds address information from the 2nd WAPI module to a WAPI module that feed back can may further comprise the steps:

At first, this 2nd WAPI module that finds parses key information from above-mentioned message for request address acquisition information;

Then, this the 2nd WAPI module that finds is when this key information that relatively obtains parsing is consistent with the key information of storage in advance, the address information of the 2nd WAPI module that just this is found self feeds back to a WAPI module, otherwise the 2nd WAPI module can select refusal and a WAPI module to establish a communications link.

In addition, because after the pattern that communicates to connect of the 2nd WAPI module in the on-vehicle hands-free device can have the user of need to confirm, realize the pattern communicate to connect with portable terminal again, and need not user's affirmation and pattern automatic and that the portable terminal realization communicates to connect, therefore, for make this method that the embodiment of the invention provides can be more simply, need not to confirm just to realize establishing a communications link with the 2nd WAPI module through the user, the pattern that communicates to connect that can also the 2nd WAPI module is set to the latter in the above-mentioned pattern.

In order to describe this method use flow process in actual applications that the embodiment of the invention provides in detail, below adopt the mode that compares with prior art, a kind of practical application flow process of the said method that the embodiment of the invention is provided specifically describes.Please refer to Fig. 2, this figure is the concrete structure schematic diagram that comprises a kind of on-vehicle hands-free device of bluetooth module in the prior art, comprise bluetooth module 21, audio processing modules 22, audio frequency receiver module 23, frequency modulation transmitter module 24, voice output module 25, control module 26 among this figure, wherein, the basic function of each module is as follows respectively:

Bluetooth module 21 is used for establishing a communications link based on Bluetooth technology with the portable terminal that includes bluetooth module, and the transmitting-receiving audio signal;

Audio processing modules 22, be used for the audio signal that acquisition bluetooth module 21 and voice receiver module 23 provide, and audio signal handled, comprise and carry out sound attenuation, echo is eliminated, speech coding, volume control etc., at the audio signal that obtains from bluetooth module 21, audio processing modules 22 is after handling this audio signal, audio signal after handling can be sent to voice output module 25, or send to frequency modulation transmitter module 24, the audio signal of sending at voice receiver module 23, audio processing modules 22 carries out the audio signal after handling being sent to bluetooth module 21 after above-mentioned sound attenuation etc. handles to it;

Voice receiver module 23, for the acoustic signals that receives the user, the acoustic signals that receives is converted to the signal of telecommunication that can transmit in on-vehicle hands-free device be audio signal, and with the audio signal that is converted to

Frequency modulation transmitter module 24 after being used for the audio signal that audio processing modules 22 is sent is modulated into FM signal, sends to fm demodulation equipment with FM signal;

Voice-output unit 25 is used for that the audio signal that audio processing modules 22 is sent is converted to acoustic signals and propagates, and this voice receiver module 23 can also carry out processing such as noise filtering, signal amplification to audio signal;

Control module 26 is used for exchanging the take place frequently mode of operation of penetrating module 24, audio processing modules 22, bluetooth module 21 and is configured etc.

In the prior art, in the search procedure each time that portable terminal carries out the bluetooth module 21 in the on-vehicle hands-free device, if keep within the specific limits with the distance of portable terminal and support the equipment of Bluetooth technology to have a plurality of, then portable terminal all can find a plurality of equipment at every turn, this just needs the user manually therefrom to select a target device, and utilizing communicating to connect of portable terminal realization and target device, just there is the cumbersome problem of mentioning in the preamble of the process of setting up that communicates to connect in this.

The on-vehicle hands-free device that has said structure with respect to available technology adopting, this method that the embodiment of the invention provides mainly is at the on-vehicle hands-free device that comprises the WAPI module, particularly, comprise the WAPI module on-vehicle hands-free device the concrete structure schematic diagram as shown in Figure 3, than Fig. 2, have only WAPI module 31 and bluetooth module 21 different among Fig. 3, because the title of other modules and the module class among function and Fig. 2 are seemingly, do not repeat them here.When the method for attachment of a kind of WAPI module that the embodiment of the invention is provided was applied to as shown in Figure 3 on-vehicle hands-free device connected, the concrete implementing procedure of this method may further comprise the steps as shown in Figure 4:

Step 41, after the portable terminal that the user uses receives calling, WAPI module in the portable terminal reads in self memory space the mac address information of the WAPI module 31 in the on-vehicle hands-free device as shown in Figure 3 of storage in advance, simultaneously, the WAPI module in the portable terminal can also read the shared key information that sets in advance from memory space;

Step 42, the WAPI module in the portable terminal is searched the WAPI module 31 corresponding with this mac address information according to the mac address information that reads;

Step 43, after finding WAPI module 31, the shared key information that the WAPI module in the portable terminal will read sends to WAPI module 31;

Step 44, behind the shared key information that the WAPI module of WAPI module 31 in receiving portable terminal sent, the shared key information of reading pre-stored from the memory space of WAPI module 31 self, and whether the shared key information that relatively reads is consistent with the shared key information that receives, when judged result when being, execution in step 45, otherwise, execution in step 48;

Step 45, WAPI module 31 sends to WAPI module in the portable terminal with self mac address information;

Step 46, whether the mac address information of the WAPI module 31 that the WAPI module in the portable terminal relatively receives consistent with the mac address information of WAPI module 31 of storage in advance, in judged result when being, execution in step 47, otherwise, execution in step 48;

Step 47, the WAPI module in the portable terminal and the WAPI module 31 in the on-vehicle hands-free device establish a communications link based on the WAPI agreement;

Step 48 stops to establish a communications link, and flow process finishes.

After establishing a communications link, if the user collects the acoustic signals that the user sends by the module that the microphone on the on-vehicle hands-free device etc. has the acoustic signals collecting function, then voice receiver module 33 is converted to audio signal with the acoustic signals of collecting, and send WAPI module 31 to by audio processing modules 32, audio signal is sent to WAPI module in the portable terminal that has established a communications link by WAPI module 31 again, thereby portable terminal can send audio signal; And if portable terminal need send audio signal to on-vehicle hands-free device, then can audio signal be sent to WAPI module 31 in the on-vehicle hands-free device by the WAPI module in the portable terminal, after being handled by 31 pairs of audio signals of WAPI module again, send to voice-output unit 35, thereby voice-output unit is converted to acoustic signals with tone signal, makes the user can hear sound.

The method of attachment of the WAPI module that provides corresponding to the embodiment of the invention, the embodiment of the invention also provides a kind of WAPI device, and the concrete structure schematic diagram of this device mainly comprises following functional unit as shown in Figure 5:

Memory cell 51 is for the address information of the WAPI module of storing on-vehicle hands-free device;

Obtain unit 52, be used for obtaining the address information of WAPI module of the on-vehicle hands-free device of memory cell 51 storages;

Search unit 53, be used for the address information according to the WAPI module of the on-vehicle hands-free device that obtains unit 52 acquisitions, search the WAPI module corresponding with this address information;

Communicate to connect and set up unit 54, be used for based on the WAPI agreement, and search the WAPI module that unit 53 finds and establish a communications link.

In order to realize the authentication to the WAPI that finds, above-mentioned communicate to connect set up unit 54 can also further be divided into as shown in Figure 5 with lower module, be specially:

Sending module 541 is used for sending the message that request obtains the address information of this WAPI module that finds to searching the 2nd WAPI module that unit 53 finds;

Receiver module 542 be used for to receive the WAPI module that finds after receiving the message that sending module 541 sends, the address information of the WAPI module that this of feedback finds;

Communicate to connect and set up module 543, be used for when the address information that relatively obtains receiver module 542 address information that receives and the WAPI module of storing in advance is consistent, based on the WAPI agreement, establishing a communications link with the WAPI module that finds.

Preferably, the pattern that communicates to connect of this WAPI module that finds can be pre-arranged to need not the user to be confirmed, and pattern automatic and that the portable terminal realization communicates to connect.

The embodiment of the invention also provides a kind of connected system of WAPI module, the concrete structure schematic diagram of this system as shown in Figure 6, comprise the 2nd WAPI module 62 in a WAPI module 61 and the on-vehicle hands-free device in the portable terminal, wherein, the one WAPI module 61, be used for obtaining the address information of the 2nd WAPI module 62 of storage in advance, and according to this address information that obtains, search the two WAPI module 62 corresponding with this address information, and based on the WAPI agreement, establish a communications link with the 2nd WAPI module 62 that finds.

Preferably, can further divide an above-mentioned WAPI module 61 in the embodiment of the invention, and it is divided into following function sub-modules:

Sub module stored 611 is for the address information of storage the 2nd WAPI module 62;

Obtain submodule 612, be used for the address information of the 2nd WAPI module 62 of acquisition sub module stored 611 storages;

Search submodule 613, be used for the address information according to the 2nd WAPI module 62 that obtains submodule 612 storages, search the two WAPI module corresponding with this address information;

Send submodule 614, be used for sending the message that request obtains the address information of this 2nd WAPI module that finds to searching the 2nd WAPI module that submodule 613 finds;

Receive submodule 615, be used for receiving and search the 2nd WAPI module that submodule 613 finds according to sending the message that submodule 614 sends, the address information of the 2nd WAPI module that this of feedback finds;

Comparison sub-module 616, whether be used for relatively receiving the address information that submodule 615 receives consistent with the address information of the 2nd WAPI module 62 of storing in advance;

Communicate to connect and set up submodule 617, be used for the comparative result that obtains in comparison sub-module when being, based on the WAPI agreement, establish a communications link with the 2nd WAPI module that finds.

The one WAPI module is carried out above-mentioned division, be in order can further to confirm the identity of the 2nd WAPI module that finds, and similarly, in the embodiment of the invention, the 2nd WAPI module also can confirm the identity of a WAPI module, therefore, and at this function of the 2nd WAPI module, can divide above-mentioned the 2nd WAPI module 62, it is divided into following function sub-modules:

Receive submodule 621, be used for receiving and send the message that request that submodule 613 sends obtains the address information of the 2nd WAPI module;

Analyzing sub-module 622 is used for parsing key information from receiving the above-mentioned message that submodule 621 receives;

Comparison sub-module 623, whether be used for the key information that key information that analyzing sub-module 622 relatively parses and the 2nd WAPI module store in advance consistent;

Feedback submodule 624 is used for the comparative result that obtains in comparison sub-module 623 when being, the address information of the 2nd WAPI module is fed back to a WAPI module.

Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims

1. the method for attachment of a WLAN (wireless local area network) discriminating confidentiality foundation structure module is characterized in that, comprising:

The address information of the 2nd WAPI module in the on-vehicle hands-free device that first WLAN (wireless local area network) discriminating confidentiality foundation structure WAPI module in the portable terminal obtains to store in advance;

According to the address information of described acquisition, search the two WAPI module corresponding with the address information of described acquisition;

A described WAPI module sends the message that request obtains the address information of described the 2nd WAPI module that finds to described the 2nd WAPI module that finds;

A described WAPI module receives described the 2nd WAPI module that finds according to the address information of the 2nd WAPI module of described message feedback; And

A described WAPI module based on the WAPI agreement, establishes a communications link with described the 2nd WAPI module that finds when the address information that relatively obtains described the 2nd WAPI module that the finds address information of feeding back and the 2nd WAPI module of storing in advance is consistent.

2. the method for claim 1 is characterized in that, the address information that described the 2nd WAPI module that finds is fed back the 2nd WAPI module to a described WAPI module specifically comprises:

Described the 2nd WAPI module that finds parses key information from described message;

Described the 2nd WAPI module that finds is at the key information that relatively obtains described key information and storage in advance when consistent, and the address information of described the 2nd WAPI module that finds is fed back to a described WAPI module.

3. the method for claim 1 is characterized in that, the pattern that communicates to connect of described the 2nd WAPI module is pre-arranged to need not the pattern that the user confirms automatically and the portable terminal realization communicates to connect.

4. a WLAN (wireless local area network) is differentiated confidentiality foundation structure WAPI device, it is characterized in that, comprising:

Memory cell is for the address information of the WAPI module of storing on-vehicle hands-free device;

Obtain the unit, be used for obtaining the address information of WAPI module of the described equipment of cell stores;

Search the unit, be used for searching the WAPI module corresponding with described address information according to obtaining the address information that the unit obtains;

Sending module is used for sending the message that request obtains the address information of the described WAPI module that finds to searching the WAPI module that the unit finds;

Receiver module is for the address information of this WAPI module that finds that receives the described WAPI module feedback that finds;

Communicate to connect and set up module, be used for when the address information that relatively obtains the receiver module address information that receives and the WAPI module of storing in advance is consistent, based on the WAPI agreement, establishing a communications link with the described WAPI module that finds.

5. device as claimed in claim 4 is characterized in that, the pattern that communicates to connect of the described WAPI module that finds is pre-arranged to need not the user to be confirmed, and pattern automatic and that the portable terminal realization communicates to connect.

6. a WLAN (wireless local area network) is differentiated the connected system of confidentiality foundation structure module, it is characterized in that, comprises that first WLAN (wireless local area network) in the portable terminal differentiates the 2nd WAPI module in confidentiality foundation structure WAPI module and the on-vehicle hands-free device, wherein:

A described WAPI module specifically comprises:

Sub module stored is for the address information of described the 2nd WAPI module of storage;

Obtain submodule, be used for the address information of described the 2nd WAPI module of acquisition sub module stored storage;

Search submodule, be used for the address information according to described the 2nd WAPI module that obtains the submodule acquisition, search described the 2nd WAPI module;

Send submodule, be used for sending the message that request obtains the address information of described the 2nd WAPI module that finds to searching the 2nd WAPI module that submodule finds;

Receive submodule, be used for receiving described the 2nd WAPI module that finds after receiving the message that sends the submodule transmission, the address information of described the 2nd WAPI module that finds of feedback;

Comparison sub-module, whether be used for relatively receiving the described address information that submodule receives consistent with the address information of the 2nd WAPI module of storing in advance;

Communicate to connect and set up submodule, be used for the comparative result that obtains in comparison sub-module when being, based on the WAPI agreement, establish a communications link with described the 2nd WAPI module that finds.

7. system as claimed in claim 6 is characterized in that, described the 2nd WAPI module specifically comprises:

Receive submodule, be used for receiving the described message that the transmission submodule is sent;

Analyzing sub-module is used for parsing key information from receiving the described message that submodule receives;

Whether comparison sub-module is consistent with the key information of storage in advance for the key information that the comparison analyzing sub-module parses;

The feedback submodule is used for the comparative result that obtains in comparison sub-module when being, the address information of described the 2nd WAPI module is fed back to a described WAPI module.