CN102983892A - Method and system for bluetooth pairing - Google Patents
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- CN102983892A CN102983892A CN2012104684913A CN201210468491A CN102983892A CN 102983892 A CN102983892 A CN 102983892A CN 2012104684913 A CN2012104684913 A CN 2012104684913A CN 201210468491 A CN201210468491 A CN 201210468491A CN 102983892 A CN102983892 A CN 102983892A
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Abstract
The invention discloses a method for bluetooth pairing. The method comprises that an intelligent secret key device starts a bluetooth function, enters a discoverable mode, generates a bluetooth pairing code and outputs the bluetooth pairing code; a terminal starts the bluetooth function, receives a bluetooth pairing code input by a user and pairs the bluetooth pairing code with the intelligent secret key device; and after pairing is successful, a communication link is established to conduct data interaction. The invention also discloses a system for bluetooth pairing. According to the method, the intelligent secret key device starts the bluetooth function, enters the discoverable mode, generates a bluetooth pairing code and outputs the bluetooth pairing code, the terminal starts the bluetooth function, receives the bluetooth pairing code input by the user and pairs the bluetooth pairing code with the intelligent secret key device, and after pairing is successful, the communication link is established to conduct data interaction, so that the method has the advantages that safe data transmission is conducted in the intelligent secret key device by the aid of the bluetooth communication technology, the information transmission safety is improved, and simultaneously, the user experience is improved.
Description
Technical field
The present invention relates to field of information security technology, relate in particular to a kind of Bluetooth pairing method and system.
Background technology
Along with the fast development of technique of internet, ecommerce and online transaction also are able to fast development, and people also have higher requirement to ease for use and the fail safe of authentication of identification of network user.Existing intelligent cipher key equipment for authentication of identification of network user generally all adopts USB(Universal Serial Bus, USB) interface and main frame communicate, and the mode of this direct Mechanical Contact and wired connection has been brought inconvenience to user's use.
Because the developing rapidly of wireless communication technology, Bluetooth Communication Technology is at mobile phone, PAD(Pure Audio Design, panel computer) etc. be able to popularization and application in the portable terminal.But in existing Bluetooth pairing and the communication technology, mostly adopt fixedly PIN(Personal Identification Number, Personal Identity Number) mode, fixing PIN code is generally the similar combination of numbers such as " 0000 ", " 1111 "; The fail safe of this fixedly PIN code is very limited, is easy to illegally be stolen, and brings security threat thereby give by the information of Bluetooth link transmission.Therefore, Bluetooth Communication Technology is not also applied in this class of intelligent cipher key equipment field higher to security requirement.
Summary of the invention
Main purpose of the present invention provides a kind of Bluetooth pairing method and system, is intended to solve Bluetooth Communication Technology is carried out transfer of data in intelligent cipher key equipment safety issue, improves the fail safe of communication.
The invention discloses a kind of Bluetooth pairing method, may further comprise the steps:
Intelligent cipher key equipment is opened Bluetooth function, enters discoverable mode, generates the Bluetooth pairing code, and with described Bluetooth pairing code output;
Terminal is opened Bluetooth function, receives the described Bluetooth pairing code of user's input, matches with described intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction.
Preferably, the described intelligent cipher key equipment mode of exporting described Bluetooth pairing code comprises and shows that output and sounding export.
Preferably, described intelligent cipher key equipment shows output with described Bluetooth pairing code by display screen.
Preferably, described Bluetooth pairing code is the dynamic Bluetooth pairing code that described intelligent cipher key equipment generates at random.
Preferably, described terminal and intelligent cipher key equipment match, and after the successful matching, set up communication link, and the step of carrying out data interaction comprises:
Described terminal transmission comprises that the pairing request of random number and terminal address is to described intelligent cipher key equipment;
Described intelligent cipher key equipment receives described pairing request, and the input parameter that comprises described pairing code information, random number and terminal address is encrypted computing, obtains initialization key, and based on described initialization key described terminal is carried out verification;
Described terminal uses the method computing identical with described intelligent cipher key equipment to obtain described initialization key, and based on described initialization key, described intelligent cipher key equipment is carried out verification; If the mutual verification of described intelligent cipher key equipment and terminal is all passed through, then the two successful matching, described terminal and described intelligent cipher key equipment are set up communication link, carry out data interaction.
The present invention also discloses a kind of Bluetooth pairing system, comprising:
Intelligent cipher key equipment is used for opening Bluetooth function, enters discoverable mode, generates the Bluetooth pairing code, and with described Bluetooth pairing code output;
Terminal is used for opening Bluetooth function, receives the described Bluetooth pairing code of user's input, matches with described intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction.
Preferably, described intelligent cipher key equipment specifically is used for, and exports described Bluetooth pairing code by the mode of demonstration or sounding.
Preferably, described intelligent cipher key equipment also specifically is used for: described Bluetooth pairing code is shown output by display screen.
Preferably, described intelligent cipher key equipment specifically is used for, the dynamic Bluetooth pairing code that generates at random.
Preferably, described terminal specifically is used for, and transmission comprises that the pairing request of random number and terminal address is to described intelligent cipher key equipment;
Also be used for, use the method computing identical with described intelligent cipher key equipment to obtain described initialization key, and based on described initialization key, described intelligent cipher key equipment is carried out verification; And with described intelligent cipher key equipment successful matching the time, set up communication link with described intelligent cipher key equipment, carry out data interaction;
Described intelligent cipher key equipment specifically is used for, receive the described pairing request that described terminal sends, the input parameter that comprises described pairing code information, random number and terminal address is encrypted computing, obtains initialization key, and based on described initialization key described terminal is carried out verification.
The present invention opens Bluetooth function by intelligent cipher key equipment, enters discoverable mode, generates the Bluetooth pairing code, and the Bluetooth pairing code is exported; Terminal is opened Bluetooth function, receives the Bluetooth pairing code of user's input, matches with intelligent cipher key equipment; After the successful matching, set up communication link, carry out the method for data interaction, have the Bluetooth Communication Technology utilized is carried out transfer of data safely in intelligent cipher key equipment beneficial effect, promoted user's experience; Because what adopt is the dynamic Bluetooth pairing code that generates at random, the fail safe that has therefore greatly improved communication.
Description of drawings
Fig. 1 is Bluetooth pairing method one embodiment schematic flow sheet of the present invention;
Fig. 2 is that terminal and intelligent cipher key equipment match in the Bluetooth pairing method of the present invention, sets up communication link when successful matching, carries out data interaction one embodiment schematic flow sheet;
Fig. 3 is Bluetooth pairing of the present invention system one example structure schematic diagram.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The described terminal of the embodiment of the invention comprises PC(Personal Computer, PC), portable terminal, ATM(Automatic Teller Machine, ATM) etc. any main process equipment that can carry out with intelligent cipher key equipment Bluetooth communication.
With reference to Fig. 1, Fig. 1 is Bluetooth pairing method one embodiment schematic flow sheet of the present invention; As shown in Figure 1, Bluetooth pairing method of the present invention may further comprise the steps:
Step S01, intelligent cipher key equipment are opened Bluetooth function, enter discoverable mode, generate the Bluetooth pairing code, and with described Bluetooth pairing code output;
Particularly, by the bluetooth opening module of intelligent cipher key equipment, open the Bluetooth function of intelligent cipher key equipment, make intelligent cipher key equipment enter discoverable mode, so that this terminal of main process equipment can be found intelligent cipher key equipment, and match.
Simultaneously, the Bluetooth pairing code generation module of intelligent cipher key equipment control self generates the Bluetooth pairing code and exports to the user by the output module of intelligent cipher key equipment, is input to terminal after obtaining for the user, is used for matching with this intelligent cipher key equipment.
In a preferred embodiment, intelligent cipher key equipment generates dynamic Bluetooth pairing code by random fashion, and this has overcome the problem of using fixing PIN code illegally to be stolen in the prior art well; Intelligent cipher key equipment shows described Bluetooth pairing code by display unit such as display screen, reads for the user; Perhaps export described Bluetooth pairing code by sound-producing device in the mode of sounding, listen to for the user.
Step S02, terminal are opened Bluetooth function, receive the described Bluetooth pairing code of user's input, match with described intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction.
Terminal is opened the Bluetooth function of terminal self by the bluetooth opening module, and behind the Bluetooth pairing code by its input unit reception user input, terminal is initiatively initiated pairing request to intelligent cipher key equipment, begins the pairing process.
In a preferred embodiment, described terminal is before initiating pairing request to intelligent cipher key equipment, generate first a random number R 1, to comprise this random number R 1 and terminal address ADDR1(Address, the address) pairing request sends to described intelligent cipher key equipment by Bluetooth link, the pairing process of beginning and intelligent cipher key equipment.The pairing request that the intelligent cipher key equipment receiving terminal sends, mutually authenticate based on described Bluetooth pairing code with terminal, if the two authentication is passed through, intelligent cipher key equipment and terminal successful matching are described then, then terminal is set up communication link, carries out data interaction with intelligent cipher key equipment.
Present embodiment is opened Bluetooth function by intelligent cipher key equipment, enters discoverable mode, generates the Bluetooth pairing code, and the Bluetooth pairing code is exported; Terminal is opened Bluetooth function, receives the Bluetooth pairing code of user's input, matches with intelligent cipher key equipment; After the successful matching, set up communication link, carry out the method for data interaction, have the Bluetooth Communication Technology utilized is carried out transfer of data safely in intelligent cipher key equipment beneficial effect, promoted user's experience; Because what adopt is the dynamic Bluetooth pairing code that generates at random, the fail safe that has therefore greatly improved communication.
With reference to Fig. 2, Fig. 2 is that terminal and intelligent cipher key equipment match in the Bluetooth pairing method of the present invention, sets up communication link when successful matching, carries out data interaction one embodiment schematic flow sheet; Present embodiment only matches to terminal of the present invention and intelligent cipher key equipment, when successful matching, set up communication link, the process of carrying out data interaction is described further, other steps that Bluetooth pairing method of the present invention is related, please refer to the specific descriptions of the described embodiment of Fig. 1, do not repeat them here.
As described in Figure 2, in the Bluetooth pairing method of the present invention, terminal and intelligent cipher key equipment match, and set up communication link when successful matching, and the process of carrying out data interaction may further comprise the steps:
Step S11, the transmission of described terminal comprise that the pairing request of random number and terminal address is to described intelligent cipher key equipment;
When terminal was found to be in the intelligent cipher key equipment of discoverable mode by Bluetooth communication, terminal at first sent pairing request, matches with intelligent cipher key equipment; This pairing request comprises random number R 1 that terminal produces, terminal address etc.
Step S12, described intelligent cipher key equipment receive described pairing request, the input parameter that comprises described pairing code information, random number and terminal address is encrypted computing, obtain initialization key, and based on described initialization key described terminal is carried out verification;
Intelligent cipher key equipment receives the pairing request that comprises described random number R 1 and terminal address ADDR1 by Bluetooth link, intelligent cipher key equipment and terminal are encrypted computing to the input parameter that comprises described random number R 1 and Bluetooth pairing code and Bluetooth pairing code length Blooth_Len and/or terminal address ADDR1 respectively, generate initialization key KEY1; In a preferred embodiment, the cryptographic algorithm that described cryptographic calculation uses is the E22 algorithm.
Intelligent cipher key equipment to terminal based on the detailed process that described initialization key carries out verification is:
Intelligent cipher key equipment generates first and differentiates random number R 2, and this first discriminating random number R 2 is sent to described terminal by Bluetooth link; Described terminal obtains described initialization key KEY1 according to the method computing identical with intelligent cipher key equipment, afterwards, preset cryptographic algorithm according to first and differentiate that to comprising described initialization key KEY1, first input parameter of the ADDR1 of random number R 2 and terminal address is encrypted computing, generate the first number of responses SRES1, and described the first number of responses SRES1 is sent to described intelligent cipher key equipment by described Bluetooth link.Described intelligent cipher key equipment receives described the first number of responses SRES1, utilizing and generating the identical encryption function of described the first number of responses SRES1 with described terminal is first to preset cryptographic algorithm and above-mentioned input parameter generates the second number of responses SRES2, and whether more described the first number of responses SRES1 is consistent with described the second number of responses SRES2; If the first number of responses SRES1 is consistent with the second number of responses SRES2, then described intelligent cipher key equipment passes through the verification of described terminal, if the two is inconsistent, then described intelligent cipher key equipment is to the authentication failed of described terminal.
Step S13, described terminal are carried out verification according to described initialization key to described intelligent cipher key equipment; If the mutual verification of described intelligent cipher key equipment and terminal is all passed through, then the two successful matching, the communication link that described terminal is set up carries out data interaction.
Terminal to intelligent cipher key equipment based on the detailed process that described initialization key carries out verification is:
Described terminal generates second and differentiates random number R 3, and differentiate that with described second random number R 3 sends to described intelligent cipher key equipment by Bluetooth link, described terminal presets cryptographic algorithm according to second and differentiates that to comprising described initialization key KEY1, second input parameter of the ADDR1 of random number R 3 and terminal address is encrypted computing, generate the 3rd number of responses SRES3, and it is sent to described terminal by described Bluetooth link.Described terminal receives described the 3rd number of responses SRES3, utilizing and generating the identical encryption function of described the 3rd number of responses SRES3 with described intelligent cipher key equipment is second to preset cryptographic algorithm and input parameter generates the 4th number of responses SRES4, and whether more described the 3rd number of responses SRES3 is consistent with described the 4th number of responses SRES4; If described the 3rd number of responses SRES3 is consistent with described the 4th number of responses SRES4, then described terminal is passed through the checking of described intelligent cipher key equipment, sets up the communication link of intelligent cipher key equipment and described terminal room, carries out data interaction; If described the 3rd number of responses SRES3 and described the 4th number of responses SRES4 are inconsistent, then described terminal is to the authentication failed of described intelligent cipher key equipment.
It will be understood by those skilled in the art that described first presets cryptographic algorithm and second and preset cryptographic algorithm and can be same cryptographic algorithm, also can be two kinds of different cryptographic algorithm; Present embodiment presets the particular type that cryptographic algorithm and second presets cryptographic algorithm to first and does not do restriction.
Present embodiment matches by terminal and intelligent cipher key equipment, sets up communication link when successful matching, carries out the method for data interaction, has further to improve the beneficial effect that carries out the data transmission security of intelligent cipher key equipment by Bluetooth communication.
With reference to Fig. 3, Fig. 3 is Bluetooth pairing of the present invention system one example structure schematic diagram.As shown in Figure 3, Bluetooth pairing of the present invention system comprises: intelligent cipher key equipment 01 and terminal 02.
Described intelligent cipher key equipment 01 is used for, and opens Bluetooth function, enters discoverable mode, generates the Bluetooth pairing code, and with described Bluetooth pairing code output;
Described terminal 02 is used for, and opens Bluetooth function, receives the described Bluetooth pairing code of user's input, matches with described intelligent cipher key equipment 01; After the successful matching, set up communication link, carry out data interaction.
Particularly, by the bluetooth opening module of intelligent cipher key equipment 01, open the Bluetooth function of intelligent cipher key equipment 01, make intelligent cipher key equipment 01 enter discoverable mode, so that this terminal 02 of main process equipment can be found intelligent cipher key equipment 01, and match.Simultaneously, the Bluetooth pairing code generation module of intelligent cipher key equipment 01 control self generates the Bluetooth pairing code and exports to the user by the output module of intelligent cipher key equipment 01, is input to terminal 02 after obtaining for the user, is used for matching with this intelligent cipher key equipment 01.In a preferred embodiment, intelligent cipher key equipment 01 generates dynamic Bluetooth pairing code by random fashion, and this has overcome the problem of using PIN code illegally to be stolen in the prior art well; Intelligent cipher key equipment 01 shows described Bluetooth pairing code by display unit such as display screen, reads for the user; Perhaps export described Bluetooth pairing code by sound-producing device in the mode of sounding, listen to for the user.
Terminal 02 is by the bluetooth opening module, opens the Bluetooth function of terminal 02 self, receive the Bluetooth pairing code of user's input by its input unit after, terminal 02 is initiatively initiated pairing request to intelligent cipher key equipment 01, begins the pairing process.
In a preferred embodiment, described terminal 02 is before initiating pairing request to intelligent cipher key equipment 01, generate first a random number R 1, to comprise this random number R 1 and terminal 02 address AD DR1(Address, the address) pairing request sends to described intelligent cipher key equipment 01 by Bluetooth link, the pairing process of beginning and intelligent cipher key equipment 01.The pairing request that intelligent cipher key equipment 01 receiving terminal 02 sends, mutually authenticate based on described Bluetooth pairing code with terminal 02, if the two authentication is passed through, intelligent cipher key equipment 01 and terminal 02 successful matching then are described, then terminal 02 is set up communication link, carries out data interaction with intelligent cipher key equipment 01.
In a preferred embodiment, terminal 02 is matched with intelligent cipher key equipment 01, sets up communication link when successful matching, and the detailed process of carrying out data interaction is as follows:
When terminal 02 was found to be in the intelligent cipher key equipment 01 of discoverable mode by Bluetooth communication, terminal 02 at first sent pairing request, matches with intelligent cipher key equipment 01; This pairing request comprises random number R 1 that terminal 02 produces, terminal 02 address etc.
Intelligent cipher key equipment 01 receives the pairing request that comprises described pairing code information, random number R 1 and terminal 02 address AD DR1 by Bluetooth link, intelligent cipher key equipment 01 and terminal 02 are encrypted computing to the input parameter that comprises described random number R 1 and Bluetooth pairing code and Bluetooth pairing code length Blooth_Len and/or terminal 02 address AD DR1 respectively, generate initialization key KEY1; In a preferred embodiment, the cryptographic algorithm that described cryptographic calculation uses is the E22 algorithm.
01 pair of terminal 02 of intelligent cipher key equipment based on the detailed process that described initialization key carries out verification is:
Intelligent cipher key equipment 01 generates first and differentiates random number R 2, and this first discriminating random number R 2 is sent to described terminal 02 by Bluetooth link; Described terminal 02 obtains described initialization key KEY1 according to the method computing identical with intelligent cipher key equipment, afterwards, preset cryptographic algorithm according to first and differentiate that to comprising described initialization key KEY1, first input parameter of the ADDR1 of random number R 2 and terminal 02 address is encrypted computing, generate the first number of responses SRES1, and described the first number of responses SRES1 is sent to described intelligent cipher key equipment 01 by described Bluetooth link.Described intelligent cipher key equipment 01 receives described the first number of responses SRES1, utilizing and generating the identical encryption function of described the first number of responses SRES1 with described terminal 02 is first to preset cryptographic algorithm and above-mentioned input parameter generates the second number of responses SRES2, and whether more described the first number of responses SRES1 is consistent with described the second number of responses SRES2; If the first number of responses SRES1 is consistent with the second number of responses SRES2, then the verification of 01 pair of described terminal 02 of described intelligent cipher key equipment is passed through, if the two is inconsistent, and the authentication failed of 01 pair of described terminal 02 of described intelligent cipher key equipment then.
02 pair of intelligent cipher key equipment 01 of terminal based on the detailed process that described initialization key carries out verification is:
Described terminal 02 generates second and differentiates random number R 3, and differentiate that with described second random number R 3 sends to described intelligent cipher key equipment 01 by Bluetooth link, described terminal 02 presets cryptographic algorithm according to second and differentiates that to comprising described initialization key KEY1, second input parameter of the ADDR1 of random number R 3 and terminal 02 address is encrypted computing, generate the 3rd number of responses SRES3, and it is sent to described terminal 02 by described Bluetooth link.Described terminal 02 receives described the 3rd number of responses SRES3, utilizing and generating the identical encryption function of described the 3rd number of responses SRES3 with described intelligent cipher key equipment 01 is second to preset cryptographic algorithm and input parameter generates the 4th number of responses SRES4, and whether more described the 3rd number of responses SRES3 is consistent with described the 4th number of responses SRES4; If described the 3rd number of responses SRES3 is consistent with described the 4th number of responses SRES4, then the checking of 02 pair of described intelligent cipher key equipment 01 of described terminal is passed through, and sets up the communication link of 02 at intelligent cipher key equipment 01 and described terminal, carries out data interaction; If described the 3rd number of responses SRES3 and described the 4th number of responses SRES4 are inconsistent, then the authentication failed of 02 pair of described intelligent cipher key equipment 01 of described terminal.
It will be understood by those skilled in the art that described first presets cryptographic algorithm and second and preset cryptographic algorithm and can be same cryptographic algorithm, also can be two kinds of different cryptographic algorithm; Present embodiment presets the particular type that cryptographic algorithm and second presets cryptographic algorithm to first and does not do restriction.
Present embodiment is opened Bluetooth function by intelligent cipher key equipment, enters discoverable mode, generates the Bluetooth pairing code, and the Bluetooth pairing code is exported; Terminal is opened Bluetooth function, receives the Bluetooth pairing code of user's input, matches with intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction, have the Bluetooth Communication Technology utilized is carried out transfer of data safely in intelligent cipher key equipment beneficial effect, promoted user's experience; Because what adopt is the dynamic Bluetooth pairing code that generates at random, the fail safe that has therefore greatly improved communication.
The above only is the preferred embodiments of the present invention; be not so limit its claim; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a Bluetooth pairing method is characterized in that, may further comprise the steps:
Intelligent cipher key equipment is opened Bluetooth function, enters discoverable mode, generates the Bluetooth pairing code, and with described Bluetooth pairing code output;
Terminal is opened Bluetooth function, receives the described Bluetooth pairing code of user's input, matches with described intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction.
2. the method for claim 1 is characterized in that, the mode that described intelligent cipher key equipment is exported described Bluetooth pairing code comprises demonstration output and sounding output.
3. method as claimed in claim 2 is characterized in that, described intelligent cipher key equipment shows output with described Bluetooth pairing code by display screen.
4. such as each described method of claims 1 to 3, it is characterized in that described Bluetooth pairing code is the dynamic Bluetooth pairing code that described intelligent cipher key equipment generates at random.
5. the method for claim 1 is characterized in that, described terminal and intelligent cipher key equipment match, and after the successful matching, sets up communication link, and the step of carrying out data interaction comprises:
Described terminal transmission comprises that the pairing request of random number and terminal address is to described intelligent cipher key equipment;
Described intelligent cipher key equipment receives described pairing request, and the input parameter that comprises described pairing code information, random number and terminal address is encrypted computing, obtains initialization key, and based on described initialization key described terminal is carried out verification;
Described terminal uses the method computing identical with described intelligent cipher key equipment to obtain described initialization key, and based on described initialization key, described intelligent cipher key equipment is carried out verification; If the mutual verification of described intelligent cipher key equipment and terminal is all passed through, then the two successful matching, described terminal and described intelligent cipher key equipment are set up communication link, carry out data interaction.
6. a Bluetooth pairing system is characterized in that, comprising:
Intelligent cipher key equipment is used for opening Bluetooth function, enters discoverable mode, generates the Bluetooth pairing code, and with described Bluetooth pairing code output;
Terminal is used for opening Bluetooth function, receives the described Bluetooth pairing code of user's input, matches with described intelligent cipher key equipment; After the successful matching, set up communication link, carry out data interaction.
7. system as claimed in claim 6 is characterized in that, described intelligent cipher key equipment specifically is used for, and exports described Bluetooth pairing code by the mode of demonstration or sounding.
8. system as claimed in claim 7 is characterized in that, described intelligent cipher key equipment also specifically is used for: described Bluetooth pairing code is shown output by display screen.
9. such as each described system of claim 6 to 8, it is characterized in that described intelligent cipher key equipment specifically is used for, the dynamic Bluetooth pairing code that generates at random.
10. system as claimed in claim 6 is characterized in that, described terminal specifically is used for, and transmission comprises that the pairing request of random number and terminal address is to described intelligent cipher key equipment;
Also be used for, use the method computing identical with described intelligent cipher key equipment to obtain described initialization key, and based on described initialization key, described intelligent cipher key equipment is carried out verification; And with described intelligent cipher key equipment successful matching the time, set up communication link with described intelligent cipher key equipment, carry out data interaction;
Described intelligent cipher key equipment specifically is used for, receive the described pairing request that described terminal sends, the input parameter that comprises described pairing code information, random number and terminal address is encrypted computing, obtains initialization key, and based on described initialization key described terminal is carried out verification.
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