CN105356914A - Near field communication device and system and working method of near field communication system - Google Patents
Near field communication device and system and working method of near field communication system Download PDFInfo
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- CN105356914A CN105356914A CN201510647095.0A CN201510647095A CN105356914A CN 105356914 A CN105356914 A CN 105356914A CN 201510647095 A CN201510647095 A CN 201510647095A CN 105356914 A CN105356914 A CN 105356914A
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- 238000004891 communication Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 15
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000168254 Siro Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H04B5/70—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention relates to technical field of electronic communications, in particular to a near field communication device and system and a working method of the near field communication system. The near field communication device is connected with a mobile terminal, and used for receiving external data in a wireless way and forwarding the received external data to the mobile terminal. The near field communication device comprises a radio frequency induction module, an encryption module, a control module, a storage module and a data transmission module, wherein the radio frequency induction module exchanges data with external equipment through electromagnetic induction; the encryption module is used for encrypting the received external data; the control module is connected with the radio frequency induction module and the encryption module respectively; the storage module is connected with the control module, and used for storing the data; and the data transmission module is connected with the control module, and used for transmitting encrypted data to the mobile terminal through a data transmission interface. According to the technical scheme, the near field communication device is arranged outside the mobile terminal, thereby ensuring the transmission security in a data transmission process.
Description
Technical field
The present invention relates to technical field of electronic communication, particularly relate to a kind of near field communication device, system and method for work thereof.
Background technology
NFC (NearFieldCommunication, near field communication (NFC)) be a kind of short-distance wireless communication technology standard, can between mobile device, between consumer electronics product, swap data non-contactly between personal computer and smart control instrument, to we must live bring very big convenient, but, certain deficiency is there is in existing NFC technique in fail safe, opportunity is provided to assailant, the data victim transmitted is obtained easily, affect the fail safe of data, simultaneously, for the mobile terminal of some not built-in NFC module, NFC function cannot be used.
Summary of the invention
For the above-mentioned technical problem that prior art exists, provide a kind of near field communication device, system and method for work thereof.
Concrete technical scheme is as follows:
A kind of near field communication device, wherein, is connected with a mobile terminal, is transmitted to described mobile terminal, comprises after wirelessly receiving external data:
Radio frequency induction module, carries out exchanges data with an external equipment by electromagnetic induction;
Encrypting module, is encrypted the external data received;
Control module, is connected with described radio frequency induction module and described encrypting module respectively;
Memory module, is connected with described control module, for storing described data;
Data transmission module, is connected with described control module, sends the data after encryption to described mobile terminal.
Above-mentioned a kind of near field communication device, described data transmission module comprises a data transmission interface, carries out transfer of data by described data transmission interface and described mobile terminal.
Above-mentioned a kind of near field communication device, described data transmission interface adopts USB (universal serial bus).
Above-mentioned a kind of near field communication device, arranges described radio frequency induction module, described encrypting module, described control module and described data transmission module in a shell.
Above-mentioned a kind of near field communication device, also comprise monitoring modular, be connected with described control module, in described shell be opened and more than a setting-up time after produce control command, under the effect of described control command, delete the data of preserving in described memory module.
Also provide, a kind of short-distance wireless communication system, comprise above-mentioned near field communication device, also comprise,
Mobile terminal, the charging inlet of described mobile terminal is connected to transmit data with described near field communication device;
Service end, is connected with described mobile terminal, verifies for the data received described mobile terminal, and produces the result and feed back to described mobile terminal.
Above-mentioned a kind of short-distance wireless communication system, described near field communication device adopts NFC device.
Above-mentioned a kind of short-distance wireless communication system, described mobile terminal adopts mobile phone.
Also provide, a kind of method of work of short-distance wireless communication system, for above-mentioned short-distance wireless communication system, comprise following job step:
Step 1, a radio frequency induction module and an external equipment carry out exchanges data by electromagnetic induction;
Step 2, is encrypted the external data received and stores;
Step 3, sends the data after encryption to described mobile terminal by a data transmission interface;
Described data are sent to service end after receiving the data after described encryption and are verified by step 4;
Step 5, produces the result and feeds back to described mobile terminal.
The method of work of above-mentioned short-distance wireless communication system, the job step of described near field communication device also comprises the shell detecting described near field communication device and is opened and produces control command more than after a setting-up time, deletes the data of preserving in described near field communication device under the effect of described control command.
Beneficial effect: above technical scheme extends out a near field communication device at mobile terminal, ensures the fail safe transmitted in the process of carrying out transfer of data.
Accompanying drawing explanation
With reference to appended accompanying drawing, to describe embodiments of the invention more fully.But, appended accompanying drawing only for illustration of and elaboration, do not form limitation of the scope of the invention.
Fig. 1 is the system block diagram of a kind of near field communication device of the present invention;
Fig. 2 is the system construction drawing of a kind of short-distance wireless communication system of the present invention;
Fig. 3 is the method flow diagram of near field communication device in a kind of short-distance wireless communication system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
With reference to Fig. 1,
A kind of near field communication device, wherein, is connected with a mobile terminal, is transmitted to mobile terminal, comprises after wirelessly receiving external data:
Radio frequency induction module 12, carries out exchanges data with an external equipment by electromagnetic induction;
Encrypting module 11, is encrypted the external data received;
Control module 10, is connected with radio frequency induction module 12 and encrypting module 11 respectively;
Memory module 13, is connected with control module 10, for storing data;
Data transmission module 14, is connected with control module 10, sends the data after encryption to mobile terminal.
By arranging encrypting module 11 near field communication device, to make the data transmitted to mobile terminal by near field communication device, first through the encryption of master key, and a MAC information is comprised at the afterbody of packet, to improve the fail safe of transfer of data.
In a kind of preferred embodiment, data transmission interface can adopt USB (universal serial bus) (USB).
Above-mentioned a kind of near field communication device, arranges radio frequency induction module 12, encrypting module 11, control module 10 and data transmission module 14 in a shell.
In a kind of preferred embodiment, also comprise monitoring modular 15, be connected with control module 10, in shell be opened and more than a setting-up time after produce control command, delete under the effect of control command in memory module 13 preserve data.
A kind of specific embodiment, monitoring modular 15 can adopt sensitive switch, and after putting in place such that the fastener of shell is fastening, sensitive switch and shell compact siro spinning technology, shell is once be opened, and sensitive switch action, to identify that shell is opened.
Also provide, a kind of short-distance wireless communication system, with reference to Fig. 2, comprise above-mentioned wireless near field communication and fill 1, also comprise,
Mobile terminal 2, the charging inlet of mobile terminal 2 is connected to transmit data with near field communication device 1;
Service end 3, is connected with mobile terminal 2, verifies for the data received mobile terminal 2, and produces the result and feed back to mobile terminal 2.
By expanding a near field communication device 1 in the outside of mobile terminal 2, as connected a NFC device by the charge port of mobile phone, the USB interface of NFC device can be connected to, NFC device and external device (ED) carry out transfer of data, transfer data to mobile phone again, in NFC device, the built-in specialized protocol carrying out communicating with mobile phone, namely includes corresponding driver at mobile phone terminal and NFC device end.
Above-mentioned a kind of short-distance wireless communication system, near field communication device adopts NFC device.
Above-mentioned a kind of short-distance wireless communication system, mobile terminal 1 adopts mobile phone.
Also provide, a kind of method of work of short-distance wireless communication system, for above-mentioned short-distance wireless communication system, with reference to Fig. 3, comprise the job step of near field communication device:
Step 1, a radio frequency induction module 12 and an external equipment carry out exchanges data by electromagnetic induction;
Step 2, is encrypted the external data received and stores;
Step 3, sends the data after encryption to mobile terminal 2 by a data transmission interface.
The method of work of above-mentioned short-distance wireless communication system, also comprises the job step of mobile terminal 2:
Data are sent to service end 3 after receiving the data after encryption and are verified by step 4;
Step 5, produces the result and feeds back to mobile terminal 2.
Because transmission data have carried out ciphering process near field communication device, mobile terminal 2 is after receiving encrypt file, encrypt file is put service end 3 to backstage is long-range to be verified, and receive the result of feedback, assailant is made to be unlikely to obtain transmission data easily, to ensure the fail safe of transfer of data.
Whether, in concrete enforcement, checking content mainly carries out legitimate verification, as legal in checking card number, server end stores legal card number information, whether the sensitive information comprised by comparison encrypt file is legal, is legal or illegal, so that acquisition for mobile terminal with feedback validation result.Also other checkings can be carried out according to demand.
The method of work of above-mentioned short-distance wireless communication system, the job step of near field communication device also comprises the shell detecting near field communication device and is opened and produces control command more than after a setting-up time, deletes the data of preserving near field communication device under the effect of control command.
By arranging monitoring modular, after the shell of near field communication device is opened and exceedes the regular hour, system deletes the secure data wherein preserved automatically, to prevent illegal person from opening near field communication device to change or to copy inner data, avoids not due loss.
For a person skilled in the art, after reading above-mentioned explanation, various changes and modifications undoubtedly will be apparent.Therefore, appending claims should regard the whole change and correction of containing true intention of the present invention and scope as.In Claims scope, the scope of any and all equivalences and content, all should think and still belong to the intent and scope of the invention.
Claims (10)
1. a near field communication device, is characterized in that, is connected with a mobile terminal, is transmitted to described mobile terminal, comprises after wirelessly receiving external data:
Radio frequency induction module, carries out exchanges data with an external equipment by electromagnetic induction;
Encrypting module, is encrypted the external data received;
Control module, is connected with described radio frequency induction module and described encrypting module respectively;
Memory module, is connected with described control module, for storing described data;
Data transmission module, is connected with described control module, sends the data after encryption to described mobile terminal.
2. a kind of near field communication device according to claim 1, is characterized in that, described data transmission module comprises a data transmission interface, carries out transfer of data by described data transmission interface and described mobile terminal.
3. a kind of near field communication device according to claim 2, is characterized in that, described data transmission interface adopts USB (universal serial bus).
4. a kind of near field communication device according to claim 1, is characterized in that, arranges described radio frequency induction module, described encrypting module, described control module and described data transmission module in a shell.
5. a kind of near field communication device according to claim 4, it is characterized in that, also comprise monitoring modular, be connected with described control module, in described shell be opened and more than a setting-up time after produce control command, under the effect of described control command, delete the data of preserving in described memory module.
6. a short-distance wireless communication system, is characterized in that, comprises the near field communication device described in claim 1 to 5 any one, also comprises,
Mobile terminal, the charging inlet of described mobile terminal is connected to transmit data by described data transmission interface with described near field communication device;
Service end, is connected with described mobile terminal, verifies for the data received described mobile terminal, and produces the result and feed back to described mobile terminal.
7. a kind of short-distance wireless communication system according to claim 6, is characterized in that, described near field communication device adopts NFC device.
8. a kind of short-distance wireless communication system according to claim 6, is characterized in that, described mobile terminal adopts mobile phone.
9. a method of work for short-distance wireless communication system, is characterized in that, for short-distance wireless communication system according to claim 5, comprises following job step:
Step 1, a radio frequency induction module and an external equipment carry out exchanges data by electromagnetic induction;
Step 2, is encrypted the external data received and stores;
Step 3, sends the data after encryption to described mobile terminal by a data transmission interface;
Described data are sent to service end after receiving the data after described encryption and are verified by step 4;
Step 5, produces the result and feeds back to described mobile terminal.
10. the method for work of short-distance wireless communication system according to claim 9, it is characterized in that, also comprise the shell detecting described near field communication device be opened and produce control command more than after a setting-up time, under the effect of described control command, delete the data of preserving in described near field communication device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510647095.0A CN105356914A (en) | 2015-10-08 | 2015-10-08 | Near field communication device and system and working method of near field communication system |
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| CN201510647095.0A CN105356914A (en) | 2015-10-08 | 2015-10-08 | Near field communication device and system and working method of near field communication system |
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| CN105356914A true CN105356914A (en) | 2016-02-24 |
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| CN106357287A (en) * | 2016-09-29 | 2017-01-25 | 陈绍建 | Signal transmitter-receiver based on communication equipment charge port |
| CN108197516A (en) * | 2017-12-29 | 2018-06-22 | 北京奇虎科技有限公司 | Wireless near field communication card-reading apparatus and system |
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| CN103220020A (en) * | 2012-01-19 | 2013-07-24 | 中兴通讯股份有限公司 | External near field communication (NFC) device |
| CN103294971A (en) * | 2012-10-17 | 2013-09-11 | 西安晨安电子科技有限公司 | Method for realizing burglary prevention and data protection of hard disk |
| CN204442376U (en) * | 2014-04-10 | 2015-07-01 | 北京数码视讯科技股份有限公司 | Near-field communication device |
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2015
- 2015-10-08 CN CN201510647095.0A patent/CN105356914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220020A (en) * | 2012-01-19 | 2013-07-24 | 中兴通讯股份有限公司 | External near field communication (NFC) device |
| CN103294971A (en) * | 2012-10-17 | 2013-09-11 | 西安晨安电子科技有限公司 | Method for realizing burglary prevention and data protection of hard disk |
| CN103037310A (en) * | 2012-12-14 | 2013-04-10 | 北京网秦天下科技有限公司 | Mobile terminal intelligent anti-theft method and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106357287A (en) * | 2016-09-29 | 2017-01-25 | 陈绍建 | Signal transmitter-receiver based on communication equipment charge port |
| CN108197516A (en) * | 2017-12-29 | 2018-06-22 | 北京奇虎科技有限公司 | Wireless near field communication card-reading apparatus and system |
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Application publication date: 20160224 |
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