CN102209322A - Wireless access equipment based on microSD (micro Secure Digital) card and safety certification method thereof - Google Patents
Wireless access equipment based on microSD (micro Secure Digital) card and safety certification method thereof Download PDFInfo
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- CN102209322A CN102209322A CN201010209810XA CN201010209810A CN102209322A CN 102209322 A CN102209322 A CN 102209322A CN 201010209810X A CN201010209810X A CN 201010209810XA CN 201010209810 A CN201010209810 A CN 201010209810A CN 102209322 A CN102209322 A CN 102209322A
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Abstract
The invention relates to wireless access equipment based on a microSD (micro Secure Digital) card and a safety certification method thereof. The wireless access equipment provided by the invention is in the same form as a standard microSD card and comprises a wireless network module and a safety processing module, wherein the wireless network module is used for accessing a wireless local area network of an operator; and the safety processing module is used for performing safety certification on a terminal to which the wireless access equipment belongs, based on the wireless local area network, so that the terminal can access the Internet. By adopting the wireless access equipment provided by the invention, the terminal to which the wireless access equipment belongs can access the wireless local area network, high-speed convenient service on net is provided for a user, and the communication network burden of the operator is greatly reduced. The wireless access equipment is suitable for all types of terminal equipment provided with microSD slots.
Description
Technical field
The present invention relates to WLAN (wireless local area network), relate in particular to microSD type wireless network card.
Background technology
The microSD card is a kind of superfine little flash memory cards, and its volume is 15mmx11mmx1mm, is the most tiny current memory card.MicroSD card format sources is created from SanDisk, and the microSD card is by present most of mobile phone support.
The glamour that wireless lan (wlan) is cheap with it, networking flexibility, support high speed wireless data insert and open frequency range etc. is unique is not only in industries such as finance, medical treatment, manufacturing, retail acquisition application widely, and is being subjected to the favor of communications equipment manufacturer, communication network operator.
With common carrier--China Telecom is an example, its C+W (CDMA+WLAN) is professional to be exactly to replenishing that the CDMA net has been done by WLAN, support mobile phone products and cdma wireless card of surfing Internet that this is professional can make telecommunication user in the WLAN coverage territory, by inserting the WLAN net, use every data service of China Telecom easily at a high speed, thereby reduced the network load of CDMA effectively.
Therefore along with the day by day increasing of cellphone subscriber to the online demand, the load of networks such as CDMA, GSM, 3G increases gradually, and the meaning that directly inserts Internet (the Internet) by WLAN also begins to highlight gradually great.
Yet, at present because operator inserts the restriction of its belonging network to the user, promptly a SIM/UIM card can only be linked into its corresponding communication network, therefore directly cause communication user can't by non-under it WLAN of common carrier insert Internet, be that the user of China Mobile can't insert Internet by the WLAN of CHINAUNICOM, China Telecom, the user of CHINAUNICOM can't insert Internet by the WLAN of China Mobile, China Telecom, and the user of China Telecom can't insert Internet by the WLAN of China Mobile, CHINAUNICOM.
In addition, after user's access carrier WLAN, and before it inserted Internet, a matter of utmost importance was exactly how to realize the safe access authentication of mobile phone.At present, mobile phone safety access authentication is realized by the SIM/UIM card, and a SIM/UIM card can only authenticate its corresponding communication network, therefore directly causes normally carrying out safety certification, further causes the user can't be linked into Internet.
Summary of the invention
The invention provides a kind of radio reception device and safety certifying method thereof based on the microSD type that enough can overcome the above problems.
In first aspect, the invention provides a kind of radio reception device, this radio reception device and standard microSD card homomorphosis.
This radio reception device comprises wireless network module and safe handling module.Wireless network module is used for the WLAN (wireless local area network) of access communications operator.The safe handling module receives the safe handling order that issues by the SDIO command format from this terminal, and based on this order startup security algorithm, and then notify terminal to obtain this security algorithm result of calculation, thus finish safety certification to this terminal, so that this terminal access the Internet.
Preferably, this radio reception device also comprises interface processor, this interface processor is used to receive the order of self terminal, whether and to discern this order be WLAN (wireless local area network) order or safety certification order, again the WLAN (wireless local area network) order that recognizes is sent to wireless network module, this safety certification order that recognizes is sent to the safe handling module.
Preferably, the address space of this radio reception device is mapped as the 1st functional areas and the 2nd functional areas, the address space of the corresponding wireless network module in the 1st functional areas, the address space of the corresponding safe handling module in the 2nd functional areas.And the 2nd functional areas comprise the message channel of exchange command and data and the control register of read-write properties and control operation.
In second aspect, the invention provides a kind of safety certifying method that makes terminal equipment insert the Internet, this terminal equipment comprises the radio reception device that is used to make its access WLAN (wireless local area network), and this radio reception device and standard mi croSD card homomorphosis.This safety certifying method may further comprise the steps:
At first, receive SDIO order self terminal and that comprise random number; Wherein, this random number generates according to IMSI, Si.
Secondly, start security algorithm based on this SDIO order.
Then, obtain the result of calculation of this security algorithm by SDIO interrupt notification terminal.
Then, have no progeny in the terminal response and read this result of calculation, again this result of calculation is sent to the certificate server of operator by WLAN (wireless local area network).
At last, the certificate server checking allows this terminal access the Internet by the back.
The present invention is applicable to that all have the hand-held mobile terminal of microSD draw-in groove, and by in this hand-held mobile terminal, loading microSD type radio reception device of the present invention, this hand-held mobile terminal can be linked among the WLAN of any operator (and being not limited to this hand-held mobile terminal operator), and by the direct internet usage business of this WLAN.The present invention has also alleviated the burden of other communication networks of operator greatly when the convenient service on net of high speed is provided for the user.
Description of drawings
Below with reference to accompanying drawings specific embodiments of the present invention is described in detail, in the accompanying drawings:
Fig. 1 is the structural representation based on microSD type radio reception device and coupled hand-held mobile terminal of one embodiment of the invention;
Fig. 2 is Founction 1, the Founction 2 address spaces mapping schematic diagram of one embodiment of the invention;
Fig. 3 is the security authentication process figure based on microSD type radio reception device of one embodiment of the invention.
Embodiment
Radio reception device of the present invention is and the identical a kind of wireless network card of standard microSD card form (size and specification).This equipment can be realized loading and removing on the microSD draw-in groove in the hand-hold type portable terminal (as mobile phone), and can independently finish the access of wireless network, can carry out the exchange of data and order simultaneously by SDIO interface and portable equipment.
Fig. 1 is the structural representation based on microSD type radio reception device and coupled hand-held mobile terminal of one embodiment of the invention.Among Fig. 1, the transfer of data between hand-held mobile terminal 160 and the radio reception device 100 (radio reception device of microSD type) is by realizing in the microSD draw-in groove that this radio reception device 100 is loaded into this hand-held mobile terminal 160.
In introducing this radio reception device 100 in detail, before each module concrete function, at first set forth the mapping of this radio reception device logical address space.
The interface of this radio reception device 100 is a kind of SDIO type interfaces, and SDIO is a kind of Peripheral Interface that defines on the SD standard.SDIO can be mapped to a plurality of functional areas, removes general purpose I/O district (Function 0), and 7 functional areas (Function 1-7) can be arranged.
Present embodiment is mapped as Function 0 (the 0th functional areas), Founction 1 (the 1st functional areas), Function 2 (the 2nd functional areas) with the address space of this radio reception device 100.Wherein, the address space in Function 0 corresponding general purpose I/O district (general I/O area); The address space of the corresponding wireless network module 130 of Founction1; The address space of Founction 2 corresponding safe handling modules 140.
Fig. 2 is Founction 1, the Founction 2 address spaces mapping schematic diagram of one embodiment of the invention; Wherein, left hand view is Founction 1 an address space mapping schematic diagram, and right part of flg is the address space mapping schematic diagram of Founction 2.
Among Fig. 2, the address space of the complete reproducing standards wireless LAN card of Founction 1 address space promptly adopts the address space mapping of AR6002; The address space of Function 2 is divided into two parts, and a part is message channel (Mail Box), and another part is a control register.This message channel (Mail Box) is the functional areas of exchange command and data.In the example, Mail Box is used to transmit random number, algorithm operation result etc.Control register is the functional areas of read-write properties and control operation.In the example, control register is used to deposit IMSI and Ki etc. is set.Wherein, this IMSI is number that the mobile subscriber distributed of unique identification in the world, can access user's cell-phone number by this number; This Ki is the key that enciphered data is transmitted between radio reception device and the common carrier.
Set forth the function and the operation principle of each module among Fig. 1 below.
Among Fig. 1, hand-held mobile terminal 160 is the mobile phone terminals with microSD draw-in groove.Radio reception device 100 comprises SDIO physical interface 110, interface processor 120, wireless network module 130 and safe handling module 140.Wherein, interface processor 120 comprises SDIO equipment interface 121 and SDIO host interface 122.
SDIO physical interface 110 is physical interfaces of this radio reception device 100 and hand-held mobile terminal 160, is used for carrying out with hand-held mobile terminal 160 transmission of data and order.In the example, this SDIO physical interface is a golden finger interface.
The mobile phone signal order that SDIO equipment interface 121 in the interface processor 120 receives from hand-held mobile terminal 160 by this SDIO physical interface 110, and discern this mobile phone signal order; Be the WLAN order if identify this order, then this WLAN order sent and be sent to wireless network module 130 by this SDIO host interface 122; If identifying this order is the safety certification order, then this safety certification order is sent to safe handling module 140.
Particularly, this mobile phone signal order is SDIO order, and whether interface processor 120 is WLAN order or safety certification order by checking that Function 1 in this SDIO order and Function 2 discern this mobile phone signal order.
Wireless network module 130 can adopt traditional SDIO wireless network card, this wireless network module 130 is used to the AP (wireless access points) that makes hand-held mobile terminal 160 be connected to operator, in case connecting, this hand-held mobile terminal 160 goes up AP, then this hand-held mobile terminal 160 just can communicate with the certificate server of operator, this moment, hand-held mobile terminal 160 was linked among the WLAN of operator, but was not linked into the Internet.
Particularly, this wireless network module 130 receives from after the WLAN of interface processor 120 order, and the information according to Fouction 1 in this WLAN order is linked into hand-held mobile terminal under it in WLAN (wireless local area network) of operator.
After this hand-held mobile terminal 160 is connected to WLAN (wireless local area network), safe handling module 140 in this hand-held mobile terminal 160 by this WLAN (wireless local area network) to the certificate server request of operator to these hand-held mobile terminal 160 safety certifications, so that this hand-held mobile terminal 160 can insert Internet, concrete safety certifying method is referring to Fig. 3.
Fig. 3 is the security authentication process figure based on microSD type radio reception device of one embodiment of the invention.
In step 310, when the user need connect Internet, at first start the client-side program of hand-held mobile terminal, this client-side program obtains the IMSI of this hand-held mobile terminal then, this IMSI is sent to the certificate server of operator again.
In step 320, certificate server is searched the Si of this IMSI correspondence from its database, generates a random number according to this IMSI, Si then, this random number is back to the client-side program of this hand-held mobile terminal again.
In step 330, after the client-side program of hand-held mobile terminal receives this random number, this random number is written in the Mail Box of Function 2 in the SDIO order, and then this SDIO order that comprises Function2 is sent to safe handling module 140.
In step 340, safe handling module 140 starts security algorithm after receiving this SDIO order, will be write back Mail Box by the result of calculation that this algorithm obtains then.In the example, this security algorithm is the A3 algorithm.
In step 350, interface processor 120 obtains the result of calculation that is obtained by security algorithm by SDIO interrupt notification hand-held mobile terminal 160.
In step 360, the client-side program response is interrupted, and reads this result of calculation to Mail Box, then this result of calculation is sent to the certificate server of operator by WLAN (wireless local area network).
In step 370, certificate server verifies according to this result of calculation whether this hand-held mobile terminal 160 has authority to insert the Internet, and after checking was passed through, this hand-held mobile terminal inserted the Internet.
Need to prove, the invention is not restricted to hand-held mobile terminal equipment, it is applicable to that all have the terminal equipment of microSD draw-in groove.
In sum, radio reception device of the present invention has WLAN access function and safety certification function concurrently, has solved to insert WLAN by the wireless network card that is placed on terminal equipment, and has solved the problem that need finish safety certification by the SIM/UIM card.The present invention is integrated in a physical equipment with these two kinds of functions--in the radio reception device 100, and by this radio reception device is loaded in the microSD type draw-in groove, thereby realized terminal equipment can by non-under it WLAN of common carrier be linked into Internet.Obviously, under the prerequisite that does not depart from true spirit of the present invention and scope, the present invention described here can have many variations.Therefore, the change that all it will be apparent to those skilled in the art that all should be included within the scope that these claims contain.The present invention's scope required for protection is only limited by described claims.
Claims (12)
1. a radio reception device is characterized in that, this radio reception device and standard microSD card homomorphosis; Described radio reception device comprises wireless network module (130) and safe handling module (140);
Described wireless network module (130) is used for the WLAN (wireless local area network) of access communications operator;
Described safe handling module (140) receives the safe handling order that issues by the SDIO command format from described terminal, and based on this order startup security algorithm, and then notify this terminal to obtain this security algorithm result of calculation, thereby finish safety certification, so that this terminal access the Internet to this terminal.
2. a kind of radio reception device as claimed in claim 1, it is characterized in that, comprise interface processor (120), this interface processor is used to receive the order from described terminal, whether and to discern this order be WLAN (wireless local area network) order or safety certification order, again the WLAN (wireless local area network) order that recognizes is sent to described wireless network module (130), this safety certification order that recognizes is sent to described safe handling module (140).
3. a kind of radio reception device as claimed in claim 1 is characterized in that, comprises SDIO physical interface (110), and this SDIO physical interface is used for and described terminal switch data and order.
4. a kind of radio reception device as claimed in claim 1 is characterized in that, the address space of described radio reception device is mapped as the 1st functional areas (Function 1) and the 2nd functional areas (Function2);
And the address space of the corresponding described wireless network module in the 1st functional areas, the address space of the corresponding described safe handling module in the 2nd functional areas.
5. a kind of radio reception device as claimed in claim 4 is characterized in that, described the 2nd functional areas comprise:
The message channel of exchange command and data; And/or
The control register of read-write properties and control operation.
6. a kind of radio reception device as claimed in claim 1 is characterized in that, described message channel is used to transmit random number and algorithm computation result; Described control register is used to deposit IMSI and Ki.
7. a kind of radio reception device as claimed in claim 1 is characterized in that, described SDIO order comprises random number, and this random number generates according to IMSI, Si.
8. a kind of radio reception device as claimed in claim 7 is characterized in that, described terminal links to each other with the certificate server of operator by described WLAN (wireless local area network), and this terminal comprises:
Obtain the submodule that described terminal IMSI also is sent to this IMSI this certificate server;
Based on random number, send the submodule of the SDIO order that comprises this random number to described safe handling module from certificate server; Wherein, this random number generates according to IMSI, Si;
From described safe handling module, read described security algorithm result of calculation, and this result of calculation is sent to the submodule of this certificate server.
9. a kind of radio reception device as claimed in claim 8 is characterized in that, described certificate server comprises:
Reception is from the IMSI of described terminal, and searches Si according to this IMSI, generates the submodule of random number again according to this IMSI, Si;
Receive described security algorithm result of calculation, and verify according to this result of calculation whether described terminal has authority to insert the submodule of the Internet.
10. a kind of radio reception device as claimed in claim 1 is characterized in that, described terminal is a mobile phone terminal.
11. a safety certifying method that makes terminal equipment insert the Internet is characterized in that, this terminal equipment comprises the radio reception device that is used to make its access WLAN (wireless local area network), and this radio reception device and standard microSD card homomorphosis; Described safety certifying method comprises:
Step a receives from SDIO order described terminal and that comprise random number; Wherein, this random number generates according to IMSI, Si;
Step b starts security algorithm based on described SDIO order;
Step c obtains the result of calculation of this security algorithm by the described terminal of SDIO interrupt notification;
Steps d is had no progeny in the described terminal response and is read described result of calculation, this result of calculation is sent to the certificate server of operator by described WLAN (wireless local area network) again;
Step e, the certificate server checking allows this terminal access the Internet by the back.
12. a kind of safety certifying method that makes terminal equipment pass through the wireless local network accessing Internet as claimed in claim 11 is characterized in that, comprises before step a:
Step e, described terminal is obtained the IMSI of this terminal, and this IMSI is sent to the certificate server of operator;
Step f, certificate server search the Si of this IMSI correspondence from its database, generate a random number according to this IMSI, Si then, again this random number are back to described terminal;
Step g after this terminal receives this random number, sends the SDIO order that comprises this random number.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010209810.XA CN102209322B (en) | 2010-06-25 | 2010-06-25 | A kind of radio reception device based on microSD type and safety certifying method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010209810.XA CN102209322B (en) | 2010-06-25 | 2010-06-25 | A kind of radio reception device based on microSD type and safety certifying method thereof |
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| CN102209322A true CN102209322A (en) | 2011-10-05 |
| CN102209322B CN102209322B (en) | 2015-07-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1650576A (en) * | 2002-08-16 | 2005-08-03 | 托吉瓦控股股份公司 | Method and system for GSM authentication during WLAN roaming |
| JP2005275653A (en) * | 2004-03-24 | 2005-10-06 | Matsushita Electric Ind Co Ltd | Electronic device capable of inserting/operating radio communication card with communication function mounted thereon and communication processing system including the same |
| CN101661563A (en) * | 2009-09-07 | 2010-03-03 | 上海亚卡商贸有限公司 | Safe multi-interface certificate mobile inquiry system and method thereof |
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2010
- 2010-06-25 CN CN201010209810.XA patent/CN102209322B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1650576A (en) * | 2002-08-16 | 2005-08-03 | 托吉瓦控股股份公司 | Method and system for GSM authentication during WLAN roaming |
| JP2005275653A (en) * | 2004-03-24 | 2005-10-06 | Matsushita Electric Ind Co Ltd | Electronic device capable of inserting/operating radio communication card with communication function mounted thereon and communication processing system including the same |
| CN101661563A (en) * | 2009-09-07 | 2010-03-03 | 上海亚卡商贸有限公司 | Safe multi-interface certificate mobile inquiry system and method thereof |
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| CN102209322B (en) | 2015-07-29 |
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Granted publication date: 20150729 Termination date: 20200625 |