CN102156897A - 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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- CN102156897A CN102156897A CN2011100791023A CN201110079102A CN102156897A CN 102156897 A CN102156897 A CN 102156897A CN 2011100791023 A CN2011100791023 A CN 2011100791023A CN 201110079102 A CN201110079102 A CN 201110079102A CN 102156897 A CN102156897 A CN 102156897A
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- 238000004891 communication Methods 0.000 title claims abstract description 129
- 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
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission 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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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 reach the method that on safe digital card, realizes the 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, advantage such as has conveniently, cheap, and it is more and more universal to become.But being in the form of commencing business or bigger limitation is all being arranged aspect user's popularization, mainly is because factors such as potential safety hazard, technical guarantee and credit systems.The near-field communication based on SIM that the traditional technology method that addresses these problems has China Mobile to propose is promptly in the inner integrated near-field communication module of SIM card.If but the user wants to increase this function, need change the SIM card of special integrated near-field communication separately, cost height, inconvenience.
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 the SD card, in conjunction with memory technology, smart card techniques and near-field communication technology, not only make the SD jig that the memory function of traditional SD card is arranged, but also have the function of near-field communication function and smart card.
But the present application people also finds, when this technical scheme realizes mobile-phone payment, information such as user key are not to be stored in the memory module, are stored in exactly in the smart card, and these are open to the 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, provides a kind of safe digital card to reach the method that realizes the near-field communication function on safe digital card, can improve the mobile-phone payment security.
For solving the problems of the technologies described above, the technical scheme that the embodiment of the 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: the near-field communication module, it is electrically connected described card controller module, be used to detect card reader whether near and carry out communication with card reader; Security module, it is electrically connected described card controller module, when being used to be stored in near-field communication module and card reader and carrying out communication, first key verified of reading card device; The near-field communication antenna, it is electrically connected described near-field communication module, is used for carrying out wireless connections with card reader.
As the further improvement to the embodiment of the invention, described near-field communication antenna is the ring-type near-field communication antenna that forms around safe digital card.
As the further improvement to the embodiment of the invention, described card controller module comprises dispensing unit, is used for before near-field communication module and card reader communication, according to corresponding near-field communication modules configured file configuration near-field communication module.
As further improvement to the embodiment of the invention, described near-field communication module specifically is used for when the near-field communication antenna senses card reader, the announcement card controller module obtains first key from security module, and verify with second key that described card reader sends, checking by after accept the Card Reader operation of card reader.
As the further improvement to the embodiment of the invention, described card controller module comprises the identification code processing unit, is used for obtaining from described configuration file first identification code of safe digital card, and described first identification code is write the near-field communication module.
As the further improvement to the embodiment of the invention, described card controller module comprises resolution unit, is used for parsing first key from described configuration file, and described first key is stored in security module.
For solving the problems of the technologies described above, whether another technical scheme that the embodiment of the invention adopts is: a kind of method that realizes the near-field communication function on safe digital card is provided, comprises the steps: to adopt the near-field communication antenna detection card reader that is arranged on the safe digital card close; Detected card reader near the time, adopt the first key reading card device be arranged at the security module on the safe digital card to verify; Adopt near-field communication module and near-field communication antenna and the card reader communication that is arranged on the safe digital card by the back in checking.
As further improvement to the embodiment of the invention, employing is arranged at near-field communication antenna detection card reader on the safe digital card whether near before the step, also comprise: whether have corresponding near-field communication modules configured file in the detection of stored device module, detect have described configuration file after according to configuration file configuration near-field communication module.
As further improvement to the embodiment of the invention, employing is arranged at that the first key reading card device of security module carries out in the verification step on the safe digital card, and the first key reading card device that comprises first identification code of obtaining described safe digital card and be arranged at security module is verified.
As further improvement to the embodiment of the invention, adopt the first key reading card device that is arranged at the security module on the safe digital card to carry out in the verification step, also comprise from security module, parsing first key.
The invention has the beneficial effects as follows: when being different from the existing techniques in realizing mobile-phone payment, information such as user key are not to be stored in the memory module, be stored in the smart card exactly, these are open to the user, although these information may be encrypted, also may be cracked, the situation that security is lower, the embodiment of the 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; Simultaneously, the user only needs to 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.
Description of drawings
Fig. 1 is the structural representation of safe digital card embodiment of the present invention;
Fig. 2 is the present invention realizes method first embodiment of near-field communication function on safe digital card a schematic flow sheet;
Fig. 3 is the structural representation of safe digital card embodiment card controller of the present invention;
Fig. 4 is the present invention realizes method second embodiment of near-field communication function on safe digital card a schematic flow sheet.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
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 described card controller module 12, be used to detect card reader whether near and near the time and card reader carry out communication;
Near-field communication antenna 17, it is electrically connected described near-field communication module 13, is used for carrying out wireless connections with card reader.
Described near-field communication module 13 is electrically connected card controller modules 12, be used to detect card reader (figure does not show) whether near and carry out communication with card reader, mainly be that the data that the reading card device sends 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 (figure does not show) passes 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 card controller modules 12, when being used to be stored in near-field communication module and card reader and carrying out communication, first key verified of reading card device.Because safe unit is parts that are integrated in safe digital card inside in addition, do not belong to the defined file of safe digital card standard, therefore described security module 14 is not directly opened to the user.
Described near-field communication antenna 17, it is electrically connected described near-field communication module 13, be used for carrying out wireless connections with card reader, can with the card reader swap data.
In embodiments of the present invention, by increasing security module 14, realize the storage to first key of safe digital card etc., because security module directly not open to the user, institute thinks that cracking 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 with described near field antenna 17 around safe digital card, when guaranteeing the 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 used for detection of stored device module 16 and whether has configuration file, when described configuration file existed, described card controller module 12 was 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 used for when near-field communication antenna 17 senses card reader, announcement card controller module 12 obtains first key from security module 14, and it is (certain with second key of described card reader transmission, described card reader can store second key in advance, promptly second key bakes in card reader, perhaps be stored in the card reader by alternate manner) verify, checking by after accept the Card Reader operation of card reader.
Seeing also 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, is used for obtaining from described configuration file first identification code of safe digital card, and described first identification code is write near-field communication module 13.
In addition, described card controller module 12 also comprises resolution unit 122, is used for parsing first key from described configuration file, and described first key is stored in security module 14.
For example, described configuration file is the 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
Annotate: described configuration file promptly comprises software version, first identification code and first key in the nfc.ini file.Described in addition configuration file is created by baseband chip (figure does not show).The content of 12 pairs of near-field communication modules of described card controller module, 13 main configurations promptly is software version, first identification code and first key.
When described card controller module 12 detects when having the nfc.ini file in the memory module 16, described card controller module 12 will go to read the nfc.ini file, and resolves described nfc.ini file.Therefrom obtain first identification code of described safe digital card, described first identification code is write in the near-field communication module 13, be used for first identification code of obtaining when card reader reads safe digital card; Obtain first key of card, described first key is nonopen to the user, security module 14 by safe digital card inside realizes the storage to first key, so the key here is not a plain code, promptly having added overstocked password shows, so the card controller module 12 of safe digital card needs to parse described first key according to own inner resolution unit 122, then described 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 in described card controller module 12, resolution unit 122 being set, first key is stored into the process of security module 14 and carry out, further improve security with the password form.
In another embodiment of the present invention, described near-field communication antenna 17 also is used for the coupled electric field energy, offers described card controller module 12 and near-field communication module 13 power supplys.
In embodiments of the present invention,, electric field energy is converted into the function of electric energy,, realizes passiveization for the near-field communication function provides power supply by near-field communication antenna 17 coupled electric field energy.
Seeing also Fig. 2, is the present invention realizes the method embodiment of near-field communication function on safe digital card schematic flow sheet.
Whether step S1 adopts the near-field communication antenna detection card reader that is arranged on the safe digital card close.
Step S2, detected card reader near the time, adopt the first key reading card device be arranged at the security module on the safe digital card to verify.
Step S3 adopts near-field communication module and near-field communication antenna and the card reader communication that is arranged on the safe digital card in checking by the back.
And see also figure one, and whether the embodiment of the invention, card controller module 12 has card reader close if detecting by near-field communication antenna 17, and it detects principle is by detecting the variation of electric field.When card reader was close, card controller module 12 was obtained from security module 14 and is resolved first key that obtains, and verified with second key that card reader sends.When checking is passed through, 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 was not passed through, card controller module 12 refusal card reader were to the Card Reader operation of near-field communication module 13.
In embodiments of the present invention, by from security module 14, obtaining first key of safe digital card, and verify, improve the security of mobile-phone payment with second key that card reader sends.
In another embodiment of the present invention, before step S1, also comprise: whether have the configuration file of corresponding near-field communication module 13 in the detection of stored device module 16, when described configuration file exists, according to configuration file configuration near-field communication module 13.
In step S2, also comprise first identification code of obtaining described safe digital card, and write near-field communication module 13.In addition, in step S2, also comprise described first key is resolved.Be stored in the security module 14 because described first key is the form with password, when verifying, resolve it earlier with described second key.
In embodiments of the present invention, by according to described configuration file configuration near-field communication module 13, and obtain first identification code and first key of safe digital card, when card reader is close, verify described first key and second key, when being proved to be successful, carry out data communication.When realizing the near-field communication function, make the user use the near-field communication function safer.
Seeing also Fig. 4, is the schematic flow sheet of realizing method second embodiment of near-field communication function on safe digital card.Comprise following substep:
Whether step S400, detecting has card reader close.
Step S401 obtains first identification code.
Step S402 judges whether identification code is proved to be successful.。
Step S403 obtains and obtain first key when being proved to be successful.
Step S404 verifies described 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 second key sends over from card reader.When near-field communication module 13 detected card reader near the time, when promptly having electric field close, be that card reader is will visit near-field communication module 13 (consulting Fig. 1) time, described card reader sends second identification code to near-field communication module 13, and described card controller module 12 is obtained first identification code that writes near-field communication module 13 and verified with second identification code.When second identification code and the success of 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 first key, described card controller module 12 is taken out first key from security module 14, and second key that first key and card reader send verified, if be proved to be successful, then 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, perhaps key authentication failure, described card controller module 12 forbids that near-field communication module 13 visited by card reader, it is approaching to have detected electric field up to described near-field communication module 13 next time.
In embodiments of the present invention, by identification code verification and key authentication, improve the security that the user uses the near-field communication function.
In another embodiment of the present invention, in step S3, to described first secret key encryption or parsing.For example, described first key is not open to the user, security module 14 (consulting Fig. 1) by safe digital card inside realizes the storage to first key, so first key here is not a plain code, promptly having added overstocked password shows, so the card controller module 12 of safe digital card needs to parse described first key according to own inner resolution unit 122, then described first key is write in the security module 14 of safe digital card inside.
In embodiments of the present invention, by to first secret key encryption or deciphering, further improve the security that the user uses the near-field communication function.
By the foregoing description, can make the corresponding safe digital card that possesses the communication function of marching into the arena of the very simple purchase of user just can carry out mobile-phone payment.And because the security module 14 that increases makes mobile-phone payment safer.Also because with near field communication antenna 17 around safe digital card, make littler, the more compact structure of volume.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; or 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 safe digital card comprises 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:
The near-field communication module, it is electrically connected described card controller module, be used to detect card reader whether near and near the time and card reader carry out communication;
Security module, it is electrically connected described card controller module, when being used to be stored in near-field communication module and card reader and carrying out communication, first key verified of reading card device;
The near-field communication antenna, it is electrically connected described near-field communication module, is used for carrying out wireless connections with 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 that forms around safe digital card.
3. safe digital card according to claim 1 is characterized in that, described card controller module comprises dispensing unit, is used for before near-field communication module and card reader communication, according to corresponding near-field communication modules configured file configuration near-field communication module.
4. safe digital card according to claim 3, it is characterized in that, described near-field communication module specifically is used for when the near-field communication antenna senses card reader, the announcement card controller module obtains first key from security module, and verify with second key that described card reader sends, checking by after accept the Card Reader operation of card reader.
5. safe digital card according to claim 4, it is characterized in that, described card controller module comprises the identification code processing unit, is used for obtaining from described configuration file first identification code of safe digital card, and described first identification code is write the near-field communication module.
6. safe digital card according to claim 5 is characterized in that, described card controller module comprises resolution unit, is used for parsing first key from described configuration file, and described first key is stored in security module.
7. a method that realizes the near-field communication function on safe digital card is characterized in that, comprises the steps:
Whether the near-field communication antenna detection card reader that employing is arranged on the safe digital card is close;
Detected card reader near the time, adopt to be arranged on the safe digital card the first key reading card device of security module and to verify;
Adopt near-field communication module and near-field communication antenna and the card reader communication that is arranged on the safe digital card by the back in checking.
8. method according to claim 7, it is characterized in that, employing is arranged at near-field communication antenna detection card reader on the safe digital card whether near before the step, also comprise: whether have corresponding near-field communication modules configured file in the detection of stored device module, detect have described configuration file after according to configuration file configuration near-field communication module.
9. method according to claim 8, it is characterized in that, employing is arranged at that the first key reading card device of security module carries out in the verification step on the safe digital card, and the first key reading card device that comprises first identification code of obtaining described safe digital card and be arranged at security module is verified.
10. method according to claim 9 is characterized in that, adopts to be arranged at that the first key reading card device of security module carries out before the verification step on the safe digital card, also comprises parsing first key from security module.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156897A true CN102156897A (en) | 2011-08-17 |
| CN102156897B CN102156897B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102156897B (en) |
| WO (1) | WO2012130130A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012130130A1 (en) * | 2011-03-30 | 2012-10-04 | 惠州Tcl移动通信有限公司 | Security digital card and method for implementing near field communication on security digital card |
| CN103684537A (en) * | 2012-09-14 | 2014-03-26 | 谢卡尔·曼加尔达斯·南希 | Method of implementing near field communication (NFC) applications with non-NFC mobile device and system thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10033435B2 (en) | 2014-06-26 | 2018-07-24 | Intel IP Corporation | Apparatus, system and method of detecting an activity of a wireless communication device |
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| CN101351813A (en) * | 2005-12-28 | 2009-01-21 | 桑迪士克股份有限公司 | Nested memory system with near field communications capability |
| 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 |
| 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 |
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| CN101868953A (en) * | 2007-12-07 | 2010-10-20 | 诺基亚公司 | Transaction authentication |
| 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 |
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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 | Priority date | Publication date | Assignee | Title |
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| CN101351813A (en) * | 2005-12-28 | 2009-01-21 | 桑迪士克股份有限公司 | Nested memory system with near field communications capability |
| 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 |
| CN102117427A (en) * | 2009-12-30 | 2011-07-06 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012130130A1 (en) * | 2011-03-30 | 2012-10-04 | 惠州Tcl移动通信有限公司 | Security digital card and method for implementing near field communication on security digital card |
| CN103684537A (en) * | 2012-09-14 | 2014-03-26 | 谢卡尔·曼加尔达斯·南希 | Method of implementing near field communication (NFC) applications with non-NFC mobile device and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012130130A1 (en) | 2012-10-04 |
| CN102156897B (en) | 2014-04-02 |
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