CN102156897B - Secure digital card and method for realizing near field communication function on same - Google Patents
Secure digital card and method for realizing near field communication function on same Download PDFInfo
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- CN102156897B CN102156897B CN201110079102.3A CN201110079102A CN102156897B CN 102156897 B CN102156897 B CN 102156897B CN 201110079102 A CN201110079102 A CN 201110079102A CN 102156897 B CN102156897 B CN 102156897B
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- 238000004891 communication Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims description 19
- 230000006870 function Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/352—Contactless payments by cards
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- General Business, Economics & Management (AREA)
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Abstract
The invention discloses a secure digital card. The secure digital card comprises a card controller module, and a memory module and an interface driver module connected with the card controller module respectively. The secure digital card is characterized by also comprising a near field communication module, a security module and a near field communication antenna, wherein the near field communication module is electrically connected with the card controller module, used for detecting whether a card reader is close and communicated with the card reader; the security module is electrically connected with the card controller module and used for storing a first key for verifying the card reader when the near field communication module is communicated with the card reader; and the near field communication antenna is electrically connected with the near field communication module and wirelessly connected with the card reader. By the mode, the security of mobile phone payment can be improved.
Description
Technical field
The present invention relates to electronic information technical field, particularly relate to a kind of safe digital card and on safe digital card, realize the method for near-field communication function.
Background technology
Along with the development of electronic banking, modern's consumption and payment instrument has been not limited to cash, but expands to bank card, Web bank and Mobile banking; Mobile-phone payment is as a kind of brand-new modes of payments, the advantage such as has conveniently, cheap, becomes more and more universal.But being in the form of commencing business or aspect user's popularization, all having larger limitation, is mainly because factors such as potential safety hazard, technical guarantee and credit systems.The near-field communication based on SIM that the traditional technology method addressing these problems has China Mobile to propose, in the inner integrated near-field communication module of SIM card.But if user wants to increase this function, need to change separately the SIM card of special integrated near-field communication, cost is high, inconvenient.
For attempting to address the above problem, open day is on March 3rd, 2010, application number is that the Chinese utility model patent of 200920131699.X discloses " a kind of SD card ", its major technique is: by embed near-field communication control chip, near field communication antenna and smart card in SD card, in conjunction with memory technology, smart card techniques and near-field communication technology, not only make SD jig have the memory function of traditional SD card, but also there is the function of near-field communication function and smart card.
But present inventor also finds, when this technical scheme realizes mobile-phone payment, the information such as user key are not to be stored in memory module, are stored in exactly in smart card, and these are open to user, although these information may be encrypted, also may be cracked, security is lower.
Summary of the invention
The technical matters that the present invention mainly solves is the lower problem of security when realizing mobile-phone payment, a kind of safe digital card is provided and on safe digital card, realizes the method for near-field communication function, can improve mobile-phone payment security.
For solving the problems of the technologies described above, the technical scheme that the embodiment of the present invention adopts is: a kind of safe digital card is provided, comprise card controller module, the memory module and the interface driver module that are connected with described card controller module respectively, described safe digital card also comprises: near-field communication module, it is electrically connected to described card controller module, for detection of card reader whether near and carry out communication with card reader; Security module, it is electrically connected to described card controller module, for the first key that is stored in near-field communication module and card reader while carrying out communication, card reader is verified; Near field communication antenna, it is electrically connected to described near-field communication module, for carrying out wireless connections with card reader.
As the further improvement to the embodiment of the present invention, described near field communication antenna is the ring-type near field communication antenna forming around safe digital card.
As the further improvement to the embodiment of the present invention, described card controller module comprises dispensing unit, for before near-field communication module and card reader communication, according to the configuration file configuration near-field communication module of corresponding near-field communication module.
As the further improvement to the embodiment of the present invention, described near-field communication module is specifically for when near field communication antenna senses card reader, announcement card controller module obtains the first key from security module, and verify with the second key that described card reader sends, be verified the rear Card Reader operation of accepting card reader.
As the further improvement to the embodiment of the present invention, described card controller module comprises identification code processing unit, for obtain the first identification code of safe digital card from described configuration file, and described the first identification code is write to near-field communication module.
As the further improvement to the embodiment of the present invention, described card controller module comprises resolution unit, for parsing the first key from described configuration file, and by described the first key storage in security module.
For solving the problems of the technologies described above, whether another technical scheme that the embodiment of the present invention adopts is: a kind of method that realizes near-field communication function on safe digital card is provided, comprises the steps: to adopt the near field communication antenna being arranged on safe digital card to detect card reader close; Detected card reader near time, adopt the first key be arranged at the security module on safe digital card to verify card reader; After being verified, adopting and be arranged at near-field communication module and near field communication antenna and the card reader communication on safe digital card.
As the further improvement to the embodiment of the present invention, whether the near field communication antenna that employing is arranged on safe digital card detects card reader near before step, also comprise: in detection of stored device module, whether there is the configuration file of corresponding near-field communication module, detect there is described configuration file after according to configuration file configuration near-field communication module.
As the further improvement to the embodiment of the present invention, the first key that employing is arranged at security module on safe digital card carries out in verification step card reader, comprises that the first key that obtains the first identification code of described safe digital card and be arranged at security module verifies card reader.
As the further improvement to the embodiment of the present invention, adopt the first key that is arranged at the security module on safe digital card to carry out in verification step card reader, also comprise and from security module, parse the first key.
The invention has the beneficial effects as follows: while being different from existing techniques in realizing mobile-phone payment, the information such as user key are not to be stored in memory module, be stored in exactly in smart card, these are open to user, although these information may be encrypted, also may be cracked, the situation that security is lower, the embodiment of the present invention is by increasing open to user security module, realizes the storage to the key of safe digital card etc., the security that improves mobile-phone payment; Meanwhile, user only need buy the safe digital card with near-field communication function simply, just can realize mobile-phone payment, removes the inconvenience of changing SIM card from.
Accompanying drawing explanation
Fig. 1 is the structural representation of safe digital card embodiment of the present invention;
Fig. 2 is the schematic flow sheet that the present invention realizes method first embodiment of near-field communication function on safe digital card;
Fig. 3 is the structural representation of safe digital card embodiment card controller of the present invention;
Fig. 4 is the schematic flow sheet that the present invention realizes method second embodiment of near-field communication function on safe digital card.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Consulting Fig. 1, is the structural representation of safe digital card embodiment of the present invention.Described safe digital card comprises: interface driver module 11, card controller module 12, near-field communication (being NFC, Near Field Communication) module 13, security module 14, storage module interface 15, memory module 16 and near field communication antenna 17.
Near-field communication module 13, it is electrically connected to described card controller module 12, for detection of card reader whether near and near time and card reader carry out communication;
Near field communication antenna 17, it is electrically connected to described near-field communication module 13, for carrying out wireless connections with card reader.
Described near-field communication module 13 is electrically connected to card controller modules 12, for detection of card reader (not shown) whether near and carry out communication with card reader, be mainly that the data that card reader is sent are modulated or demodulation.Described card controller module 12 conducts interviews to near-field communication module 13 by inner parallel data grabbing card, is about to described near-field communication module 13 as Connection Card controller module 12 peripherals, as memory module 16.Baseband chip (not shown) is passed through DATA0～DATA3, CLK, and CMD carries out communication, thereby near-field communication module 13 is conducted interviews.
Described security module 14 is electrically connected to card controller modules 12, for the first key that is stored in near-field communication module and card reader while carrying out communication, card reader is verified.Because safe unit is parts that are integrated in addition safe digital card inside, do not belong to the defined file of safe digital card standard, therefore described security module 14 is not directly opened to user.
Described near field communication antenna 17, it is electrically connected to described near-field communication module 13, for carrying out wireless connections with card reader, can with card reader swap data.
In embodiments of the present invention, by increasing security module 14, realize the storage to the first key of safe digital card etc., because security module directly not open to user, institute thinks that cracking the first key improves difficulty, thus the security of raising mobile-phone payment.
In another embodiment of the present invention, described near field communication antenna 17, described near field communication antenna 17 forms ring-type near field communication antenna 17 around safe digital card.
In embodiments of the present invention, by by described near field antenna 17 around safe digital card, when guaranteeing antenna superior performance, the volume, compact conformation, the profile that reduce described safe digital card are also more attractive in appearance succinct.
In another embodiment of the present invention, described card controller module 12 is for detection of whether there being configuration file in memory module 16, when described configuration file exists, described card controller module 12 is according to the configuration file configuration near-field communication module 13 of corresponding near-field communication module 13.
Described near-field communication module 13 is for when near field communication antenna 17 senses card reader, announcement card controller module 12 obtains the first key from security module 14, and (certain with the second key of described card reader transmission, described card reader can store the second key in advance, the second key bakes in card reader, or be stored in card reader by alternate manner) verify, be verified the rear Card Reader operation of accepting card reader.
Referring to Fig. 3, is the structural representation of safe digital card embodiment card controller of the present invention.Described card controller module 12 also comprises identification code processing unit 121, for obtain the first identification code of safe digital card from described configuration file, and described the first identification code is write to near-field communication module 13.
In addition, described card controller module 12 also comprises resolution unit 122, for parsing the first key from described configuration file, and by described the first key storage in security module 14.
For example, described configuration file is nfc.ini file.Concise and to the point, described nfc.ini file content:
[Version]
NFC_SD?VERSION＝1.0
[CARD_ID]
ID＝12345678
[CARD_KEY]
KEY＝ABCDEF
Note: described configuration file, nfc.ini file comprises software version, the first identification code and the first key.Described configuration file is created by baseband chip (not shown) in addition.The content of 12 pairs of near-field communication modules of described card controller module, 13 main configurations is software version, the first identification code and the first key.
When described card controller module 12 detects while there is nfc.ini file in memory module 16, described card controller module 12 will go to read nfc.ini file, and resolves described nfc.ini file.Therefrom obtain the first identification code of described safe digital card, described the first identification code is write in near-field communication module 13, the first identification code of obtaining while reading safe digital card for card reader; Obtain the first key of card, described the first key is nonopen to user, security module 14 by safe digital card inside realizes the storage to the first key, so the key is not here a plain code, having added overstocked password shows, so the card controller module 12 of safe digital card needs, according to own inner resolution unit 122, to parse described the first key, then described the first key is write in the security module 14 of safe digital card inside.
In embodiments of the present invention, by described card controller module 12, according to configuration file, near-field communication module 13 is configured, and by resolution unit 122 being set in described card controller module 12, the first key storage is carried out with password form to the process of security module 14, further improve security.
In another embodiment of the present invention, described near field communication antenna 17, also for coupled electric field energy, offers described card controller module 12 and near-field communication module 13 power supplys.
In embodiments of the present invention, by near field communication antenna 17 coupled electric field energy, electric field energy is converted into the function of electric energy, for near-field communication function provides power supply, realizes passive.
Referring to Fig. 2, is the schematic flow sheet that the present invention realizes the embodiment of the method for near-field communication function on safe digital card.
Whether step S1, adopt the near field communication antenna being arranged on safe digital card to detect card reader close.
Step S2, detected card reader near time, adopt the first key be arranged at the security module on safe digital card to verify card reader.
Step S3 adopts and is arranged at near-field communication module and near field communication antenna and the card reader communication on safe digital card after being verified.
And refer to figure mono-, and the embodiment of the present invention, card controller module 12 is detected and whether is had card reader close by near field communication antenna 17, and it detects principle is by detecting the variation of electric field.When have card reader near time, card controller module 12 is obtained and is resolved the first key obtain from security module 14, and verifies with the second key that card reader sends.When being verified, card controller module 12 is accepted the Card Reader operation of card reader to near-field communication module 13, and by near field communication antenna 17 and card reader swap data, when checking is not passed through, the Card Reader operation of card controller module 12 refusal card reader to near-field communication module 13.
In embodiments of the present invention, by obtain the first key of safe digital card from security module 14, and verify with the second key that card reader sends, improve the security of mobile-phone payment.
In another embodiment of the present invention, before step S1, also comprise: in detection of stored device module 16, whether have the configuration file of corresponding near-field communication module 13, when described configuration file exists, according to configuration file configuration near-field communication module 13.
In step S2, also comprise the first identification code of obtaining described safe digital card, and write near-field communication module 13.In addition, in step S2, also comprise described the first key is resolved.Because described the first key is the form with password, be stored in security module 14, while verifying with described the second key, first to it, resolve.
In embodiments of the present invention, by configuring near-field communication module 13 according to described configuration file, and obtain the first identification code and first key of safe digital card, card reader near time, verify described the first key and the second key, while being proved to be successful, carry out data communication.When realizing near-field communication function, make user use near-field communication function safer.
Referring to Fig. 4, is the schematic flow sheet of realizing method second embodiment of near-field communication function on safe digital card.Comprise following sub-step:
Whether step S400, detect and have card reader close.
Step S401, obtains the first identification code.
Step S402, judges whether identification code is proved to be successful.。
Step S403, obtains and when being proved to be successful, obtains the first key.
Step S404, verifies described the first key and judges whether to be proved to be successful.
Step S405 accepts the Card Reader operation of card reader when being proved to be successful.
Step S400 is in S405, and for example, described the second key sends over from card reader.When near-field communication module 13 detected card reader near time, have electric field near time, be that card reader is will access near-field communication module 13 (consulting Fig. 1) time, described card reader sends the second identification code to near-field communication module 13, and described card controller module 12 is obtained and write the first identification code of near-field communication module 13 and verify with the second identification code.When the second identification code and the success of the first identification code verification, carry out key authentication.When carrying out key authentication, described near-field communication module 13 announcement card controller modules 12, obtain described the first key, described card controller module 12 is taken out the first key from security module 14, and the second key of the first key and card reader transmission is verified, if be proved to be successful, described near-field communication module 13 is accepted the Card Reader operation of card reader.If the identification code verification that card reader sends failure, or key authentication failure, described card controller module 12 forbids that near-field communication module 13 accessed by card reader, until described near-field communication module 13 has detected electric field and approaches next time.
In embodiments of the present invention, by identification code verification and key authentication, improve the security that user uses near-field communication function.
In another embodiment of the present invention, in step S3, to described the first secret key encryption or parsing.For example, described the first key is not open to user, security module 14 (consulting Fig. 1) by safe digital card inside realizes the storage to the first key, so first key is not here a plain code, having added overstocked password shows, so the card controller module 12 of safe digital card needs, according to own inner resolution unit 122, to parse described the first key, then described the first key is write in the security module 14 of safe digital card inside.
In embodiments of the present invention, by the first secret key encryption or deciphering, further improve the security that user uses near-field communication function.
By above-described embodiment, can make user very simply buy the corresponding safe digital card that possesses the communication function of marching into the arena and just can carry out mobile-phone payment.And because the security module 14 increasing makes mobile-phone payment safer.Also because by near field communication antenna 17 around safe digital card, make that volume is less, more compact structure.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a safe digital card, comprise card controller module, the memory module and the interface driver module that are connected with described card controller module respectively, it is characterized in that, described safe digital card also comprises near-field communication module, security module and near field communication antenna, wherein:
Described near-field communication module, it is electrically connected to described card controller module, for detection of card reader whether near and near time and described card reader carry out communication;
Wherein, described card controller module comprises resolution unit, for parse the first key from configuration file, and by described the first key storage in described security module;
Described security module, it is electrically connected to described card controller module, for described the first key that is stored in described near-field communication module and described card reader while carrying out communication, described card reader is verified;
Described near field communication antenna, it is electrically connected to described near-field communication module, for carrying out wireless connections with described card reader.
2. safe digital card according to claim 1, is characterized in that, described near field communication antenna is the ring-type near field communication antenna forming around described safe digital card.
3. safe digital card according to claim 1, it is characterized in that, described card controller module comprises dispensing unit, for before described near-field communication module and described card reader communication, according to the configuration file of the described near-field communication module of correspondence, configures described near-field communication module.
4. safe digital card according to claim 3, it is characterized in that, described near-field communication module is specifically for when described near field communication antenna senses described card reader, notify described card controller module from described security module, to obtain described the first key, and verify with the second key that described card reader sends, be verified the Card Reader operation of the described card reader of rear acceptance.
5. safe digital card according to claim 4, it is characterized in that, described card controller module comprises identification code processing unit, for obtain the first identification code of described safe digital card from described configuration file, and described the first identification code is write to described near-field communication module.
6. on safe digital card, realize a method for near-field communication function, it is characterized in that, comprise the steps:
From configuration file, parse the first key, and by described the first key storage in security module;
Whether the near field communication antenna detection card reader that employing is arranged on described safe digital card is close;
Detected card reader near time, adopt described the first key be arranged at described the above security module of safe digital card to verify described card reader;
After being verified, adopting and be arranged at near-field communication module and described near field communication antenna and the described card reader communication on described safe digital card.
7. method according to claim 6, it is characterized in that, whether the near field communication antenna that employing is arranged on described safe digital card detects card reader near before step, also comprise: in detection of stored device module, whether have the configuration file of corresponding described near-field communication module, according to configuration file, configure described near-field communication module detecting after there is described configuration file.
8. method according to claim 7, it is characterized in that, the first key that employing is arranged at security module on described safe digital card carries out in verification step card reader, comprises that described the first key that obtains the first identification code of described safe digital card and be arranged at described security module verifies described card reader.
9. method according to claim 8, it is characterized in that, described the first key that employing is arranged at described the above security module of safe digital card also comprises and from described security module, parses described the first key before described card reader is carried out to verification step.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079102.3A CN102156897B (en) | 2011-03-30 | 2011-03-30 | Secure digital card and method for realizing near field communication function on same |
| PCT/CN2012/073100 WO2012130130A1 (en) | 2011-03-30 | 2012-03-27 | Security digital card and method for implementing near field communication on security digital card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079102.3A CN102156897B (en) | 2011-03-30 | 2011-03-30 | Secure digital card and method for realizing near field communication function on same |
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| Publication Number | Publication Date |
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| CN102156897A CN102156897A (en) | 2011-08-17 |
| CN102156897B true CN102156897B (en) | 2014-04-02 |
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| CN201110079102.3A Expired - Fee Related CN102156897B (en) | 2011-03-30 | 2011-03-30 | Secure digital card and method for realizing near field communication function on same |
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| Country | Link |
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| CN (1) | CN102156897B (en) |
| WO (1) | WO2012130130A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156897B (en) * | 2011-03-30 | 2014-04-02 | 惠州Tcl移动通信有限公司 | Secure digital card and method for realizing near field communication function on same |
| MY153828A (en) * | 2012-09-14 | 2015-03-24 | Univ Malaya | Liner for prosthetic limb |
| US10033435B2 (en) | 2014-06-26 | 2018-07-24 | Intel IP Corporation | Apparatus, system and method of detecting an activity of a wireless communication device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070145135A1 (en) * | 2005-12-28 | 2007-06-28 | Fabrice Jogand-Coulomb | Methods used in a nested memory system with near field communications capability |
| CN101868953A (en) * | 2007-12-07 | 2010-10-20 | 诺基亚公司 | Transaction authentication |
| CN201417464Y (en) * | 2009-05-12 | 2010-03-03 | 深圳市江波龙电子有限公司 | SD card |
| CN101694596A (en) * | 2009-10-29 | 2010-04-14 | 深圳华为通信技术有限公司 | Power supply chip of data card and data card |
| CN102117427B (en) * | 2009-12-30 | 2013-08-21 | 晨星软件研发(深圳)有限公司 | Near field communication device |
| CN101916476A (en) * | 2010-02-11 | 2010-12-15 | 江苏银邦信息技术有限公司 | Mobile data transmission method based on combination of SD (Secure Digital) encrypted card and short-distance wireless communication technology |
| CN102156897B (en) * | 2011-03-30 | 2014-04-02 | 惠州Tcl移动通信有限公司 | Secure digital card and method for realizing near field communication function on same |
-
2011
- 2011-03-30 CN CN201110079102.3A patent/CN102156897B/en not_active Expired - Fee Related
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2012
- 2012-03-27 WO PCT/CN2012/073100 patent/WO2012130130A1/en active Application Filing
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| Publication number | Publication date |
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| CN102156897A (en) | 2011-08-17 |
| WO2012130130A1 (en) | 2012-10-04 |
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