CN1949194A - Portable access device with secret function and access method thereof - Google Patents
Portable access device with secret function and access method thereof Download PDFInfo
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- CN1949194A CN1949194A CN 200510108566 CN200510108566A CN1949194A CN 1949194 A CN1949194 A CN 1949194A CN 200510108566 CN200510108566 CN 200510108566 CN 200510108566 A CN200510108566 A CN 200510108566A CN 1949194 A CN1949194 A CN 1949194A
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Abstract
The invention relates to privacy function portable access assembly and method. The access assembly is set connecting interface electrically connected with the host computer, which is orderly connected with microcontroller and storage divided into reservation area block, the first application program area block stored certification program, unclassified and classified material area block. The method includes following steps: while user wants to access the data in the classified material area block, it must execute the certification program used to compare the input user's identity and the stored one; if it is accordant, the classified material area block will be set as using area block to access for the user which can ensure the data in the classified material area block will not be stolen for the user who is not agreed by the cipher certification program.
Description
Technical field
The present invention is a kind of portable access device and access method of tool function of keeping secret, especially refer to have the made access device of storer, can not need under the state of install driver in main frame, the block that storer is cut apart is done the portable access device of maintaining secrecy and moving.
Background technology
Flash memory, since coming out with low power consuming, non-volatile, shatter-proof, the characteristic that high storage density etc. are charming, in many portable devices, gradually replace EEPROM or battery powered storer, more owing to present semiconductor technology progresses greatly day by day, the storage density of flash memory has the growth of advancing by leaps and bounds especially with transmission speed, therefore flash memory more can replace traditional Storage Medias such as hard drives in many application, because flash memory has above-mentioned all multi-functional and characteristic, relevant dealer utilizes flash memory then and develops and flash memory, and this kind flash memory makes the consumer data can be stored in flash memory apace, and the data that read flash memory apace, and can carry data easily, the convenience that it brought makes its storage device more traditional than major part (as: rigid disk etc.) have bigger advantage, therefore, flash memory promptly has been subjected to consumers in general's favor since coming out, and becomes a kind of indispensable tool using that is almost.
In addition, a kind of in conjunction with USB (Universal Serial Bus USB (universal serial bus)) and be Portable, vast capacity, the storage facilities that high transmission speed and volume are little is arisen spontaneously, be rigid disk and the made Portable hard disk of transmission interface in conjunction with mobile computer or desktop PC, a large amount of uses of its Portable hard disk can revert to the basic side of computer architecture, capacity at rigid disk, aspects such as transmission speed, be the most powerful in the storage facilities always, and combine with transmission interface form the Portable hard disk after, more improved the use capacity of Portable storage facilities, to the capacity more than tens of GB of Portable hard disk, make the Portable storage facilities can store simple file shelves from the not enough 10GB of carry-on dish or memory card, the music shelves are to the multimedia images of a few hours or operating system software etc.
As from the foregoing, the storage device of this type of flash memory or hard disk is because of the little stolen easily or loss of volume; so; promptly there is relevant dealer to utilize password or fingerprint characteristic to protect stored data in the flash memory,, do not worry that also data can be stolen even the user loses storage device.Yet, the memorizer memory devices of the tool function of keeping secret that Pins sells Shang the present city Mian, all must plug-in driver in the main frame that memorizer memory devices institute desire connects, make the user except carrying memorizer memory devices, also must carry the discs of tool driver in addition, just can on All hosts, use.
Moreover; the memorizer memory devices of above-mentioned tool function of keeping secret; can only do the action of enciphering/deciphering at particular category or archives; the data that the user must will protect is positioned over this catalogue; and can't do secret to whole disk block; the user must be subject to many limitations when using, and can't manage the data that needs by maintaining secrecy arbitrarily, cause the inconvenience in the use.
Thus, how to solve the shortcomings and deficiencies of above-mentioned prior art, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of portable access device and access method of tool function of keeping secret, this access method is the authentication procedure that stores in the first application program block that utilizes storer to cut apart, whether contrast user's identity identical with user's identity in the hidden blocks, can do not stolen to guarantee data stored in the confidential data block by the user that non-authenticated program is approved, allow the unrestricted data that will maintain secrecy of user be positioned in the same block, and must be in main frame when using configuration driver, use to make things convenient for the user.
According to above-mentioned purpose, access device of the present invention is provided with the connection interface, be connected with microcontroller and storer in regular turn and connect interface, and storer is cut apart hidden blocks, the first application program block, not confidential data block and confidential data block, and the first application program block stores authentication procedure.In addition, the storer of using in this access method is further cut apart the second application program block, and this second application program block stores changeover program or application program.
Access method of the present invention is; When the user utilizes connection interface and main frame to be electric connection, this access device is set at the use block with the first application program block and confidential data block not, and the confidential data block is set at inactive block, allow the user carry out data access to confidential data block not, and when user's desire is carried out data access to the confidential data block, must carry out the stored authentication procedure of the first application program block earlier, and when carrying out authentication procedure, this authentication procedure can require the user to import user's identity, and authentication procedure can user's identity that identity that the user imported and hidden blocks is stored be done a contrast, after contrast meets the requirements, the confidential data block can be set at the use block, can not stolen by the non-user who is approved through the cipher authentication program to guarantee data stored in the confidential data block.
Below with reference to accompanying drawing and preferred embodiment of the present invention its feature and function are described in detail, in order to understanding fully.
Description of drawings
Fig. 1 is the calcspar of preferred embodiment of the present invention.
Fig. 2 is the motion flow of preferred embodiment of the present invention.
Fig. 3 is the present invention's calcspar of a preferred embodiment again.
Fig. 4 is the present invention's motion flow of a preferred embodiment again.
Fig. 5 is the calcspar of the another preferred embodiment of the present invention.
Symbol description among the figure:
1 access device
11 connect not confidential data block of interface 133
12 microcontrollers, 134 second application program blocks
13 storeies, 135 confidential data blocks
131 hidden blocks, 14 fingerprint scanners
132 first application program blocks
2 main frames
Embodiment
See also shown in Figure 1, calcspar for preferred embodiment of the present invention, find out by knowing among the figure, the portable access device 1 of the tool function of keeping secret of preferred embodiment of the present invention is provided with and connects interface 11, microcontroller 12 and storer 13, and storer 13 cut apart hidden blocks 131 is arranged, the first application program block 132, not confidential data block 133, the second application program block 134 and confidential data block 135; Wherein:
This connection interface 11 can be electric connection with main frame 2, and the connection interface can be USB (universal serial bus) (USB) connection interface, memory card connection interface, IEEE1394 or Serial ATA connection interface etc. and constitutes, and above-mentioned memory card connection interface then can be MS memory card connection interface, XD memory card connection interface or SD memory card connection interface etc. and constitutes.
This microcontroller 12 is connected in and connects interface 11, and microcontroller 12 can receive and carry out the instruction that is transmitted by main frame 2 by connecting interface 11.
This storer 13 is connected in microcontroller 12, and flash memory or hard disk that storer 13 can be NOR, NAND or AND pattern constitute;
This hidden blocks 131 stores user's password, and hidden blocks 131 is the block of dos format;
This first application program block 132 stores the cipher authentication program, and the first application program block 132 is the block of ISO9660 form;
This second application program block 134 stores changeover program or other application program, and the second application program block 134 is the block of ISO9660 form;
This confidential data block 135 is for providing main frame access data usefulness, and confidential data block 135 is the block of dos format;
Above-mentioned access device 1 can be carry-on dish, memory card, little shape hard disk (Micro Drive) or hard disk memory device and constitutes.
Access method of the present invention is, when the user utilizes access device 1 set connection interface 11 to be electric connection with main frame 2, this access device can be to the main frame 2 declaration first application program block 132 and confidential data block 133 not for using block, and the second application program block 134 is inactive block with confidential data block 135, allow the user can by 2 pairs in main frame not confidential data block 133 carry out data access, and because of the second application program block 134 and confidential data block 135 for stopping using block, so, the user can't carry out data access to confidential data block 135, and when user's desire is carried out data access to confidential data block 135, must carry out earlier the stored cipher authentication program of the first application program block 132, and when carrying out the cipher authentication program, this cipher authentication program can require the user by main frame 2 input passwords, and the cipher authentication program can be done a contrast with password that the user inputed and hidden blocks 131 stored user's passwords, after the cipher authentication program contrast password that the user inputed and hidden blocks 131 stored user's passwords meet, can cut off the electrically connect of access device 1 and main frame 2 automatically, and after cutting off binding, this access device 1 can link with main frame 2 automatically once more, and the main frame 2 declaration confidential data blocks 135 and the second application program block 134 be the use block, and not confidential data block 133 and the first application program block 132 for stopping using block, allow the user carry out data access to confidential data block 135, anti-, if the cipher authentication program contrast password that the user inputed and hidden blocks 131 stored user's password not match close, then can not do any action, and allow the user only confidential data block 133 not be carried out data access; And the confidential data block 135 and the second application program block 134 in user's desire is used access device 1 are replaced by not the confidential data block 133 and the first application program block 132, for carrying out earlier the stored changeover program of the second application program block 134, make changeover program cut off the binding of access device 1 and main frame 2, and after cutting off connection, access device 1 is connected with main frame 2, and main frame 2 declared that not the confidential data block 133 and the first application program block 132 are for using block, and the confidential data block 135 and the second application program block 134 are for stopping using block, allow the user carry out data access to confidential data block 133 not, on the mat, can make access device 1 not need under the state of install driver at main frame 2, utilize the first application program block 132 and stored cipher authentication program and the changeover program of the second application program block 134, come confidential data block 133 and confidential data block 135 do not carry out data access, and the user is before the authentication that does not obtain the cipher authentication program, can't carry out data access to confidential data block 135, to guarantee that stored data can not stolen by the non-user who is approved through the cipher authentication program in the confidential data block 135.
Moreover, this first application program block 132 automatically performs program (autorun.inf) for storing one, and automatically perform program (autorun.inf) for pointing to (open) cipher authentication program of opening, when access device 1 was linked with main frame 2, main frame 2 can automatically perform the stored cipher authentication program of access device 1.
Please consult Fig. 1, shown in Figure 2 simultaneously, be the calcspar and the action flow chart of preferred embodiment of the present invention, learn by knowing among the figure, access device 1 of the present invention carries out according to the following step when using:
(100) beginning;
(101) access device 1 set connection interface 11 is connected to main frame 2;
(102) access device 1 is set at the use block with first application program block 132 of storer 13 and confidential data block 133 not, and the second application program block 134 and confidential data block 135 are for stopping using block;
(103) carry out stored cipher authentication program in the first application program block 132;
(104) user inputs password;
(105) the cipher authentication program is done a contrast with password that the user inputed and hidden blocks 131 stored user's passwords, if comparison meets, then carry out step 106; If contrast does not meet, then carry out step 102;
(106) binding of access device 1 automatic cut-out and main frame 2, and after cutting off binding, this access device 1 links with main frame 2 automatically once more, and the confidential data block 135 and the second application program block 134 of storer 13 be set at the use block, and confidential data block 133 and the first application program block 132 are not set at inactive block;
(107) carry out the stored switching formula of the second application program block 134;
(108) binding of access device 1 automatic cut-out and main frame 2, and after cutting off binding, this access device 1 links with main frame 2 automatically once more, and the not confidential data block 133 and the first application program block 132 of storer 13 be set at the use block, and the confidential data block 135 and the second application program block 134 are set at inactive block;
(109) finish.
See also shown in Figure 3, be the present invention's calcspar of a preferred embodiment again, find out by knowing among the figure, the present invention is provided with connection interface 11 at the portable access device 1 of the tool function of keeping secret of a preferred embodiment, and connect interface 11 and be connected with microcontroller 12, and microcontroller 12 is connected with fingerprint scanner 14 and storer 13 respectively, and storer cut apart hidden blocks 131 is arranged, the first application program block 132, not confidential data block 133, the second application program block 134, and confidential data block 135; Wherein:
This hidden blocks 131 stores user's fingerprint characteristic, and hidden blocks 131 is the block of dos format;
This first application program block 132 is for storing finger print identifying program and finger scan program, and the first application program block 132 is the block of ISO9660 form;
This second application program block 134 stores changeover program or other application program, and the second application program block 134 is the block of ISO9660 form;
This confidential data block 135 is for providing main frame access data usefulness, and confidential data block 135 is the block of dos format.
An access method more of the present invention is; When the user utilizes access device 1 set connection interface 11 to be electric connection with main frame 2, this access device 1 can be to the main frame 2 declarations first application program block 132 and confidential data block 133 not for using block, and the second application program block 134 is inactive block with confidential data block 135, allow the user can by 2 pairs in main frame not confidential data block 133 carry out data access, and because of the second application program block 134 and confidential data block 135 for stopping using block, so, the user can't carry out data access to confidential data block 135, and when user's desire is carried out data access to confidential data block 135, must carry out earlier the stored finger print identifying program of the first application program block 132, and when carrying out the finger print identifying program, this cipher authentication program can require the user by importing fingerprint on the fingerprint scanner 14, and fingerprint scanner 14 is driven by the first application program block, 132 stored finger scan programs, and after user's fingerprint input, the finger print identifying program can be done a contrast with fingerprint that the user imported and hidden blocks 131 stored user's fingerprint characteristics, after contrast meets, can cut off the electrically connect of access device 1 and main frame 2 automatically, and after cutting off binding, this access device 1 can link with main frame 2 automatically once more, and the main frame 2 declaration confidential data blocks 135 and the second application program block 134 be the use block, and not confidential data block 133 and the first application program block 132 for stopping using block, allow the user carry out data access to confidential data block 135, anti-, if contrast does not meet, then can not do any action, and allow the user only confidential data block 133 not be carried out data access; And the confidential data block 135 and the second application program block 134 in user's desire is used access device 1 are replaced by not the confidential data block 133 and the first application program block 132, for carrying out earlier the stored changeover program of the second application program block 134, make changeover program cut off the binding of access device 1 and main frame 2, and after cutting off connection, access device 1 is connected with main frame 2, and main frame 2 declared that not the confidential data block 133 and the first application program block 132 are for using block, and the confidential data block 135 and the second application program block 134 are for stopping using block, allow the user carry out data access to confidential data block 133 not, by this, can make access device 1 not need under the state of install driver at main frame 2, utilize the first application program block 132 and stored finger print identifying program and the changeover program of the second application program block 134, come confidential data block 133 and confidential data block 135 do not carry out data access, and the user is before the authentication that does not obtain the finger print identifying program, can't carry out data access to confidential data block 135, to guarantee that stored data can not stolen by the non-user who is approved through the finger print identifying program in the confidential data block 135.
Moreover, this first application program block 132 automatically performs program (autorun.inf) for storing one, and automatically perform program (autorun.inf) for pointing to (open) cipher authentication program of opening, when access device 1 was linked with main frame 2, main frame 2 can automatically perform the stored cipher authentication program of access device 1.
Please consult Fig. 3, shown in Figure 4 simultaneously, for the present invention calcspar and the action flow chart of a preferred embodiment again, learn by knowing among the figure, access device 1 of the present invention is when using, for carrying out according to the following step:
(200) beginning;
(201) access device 1 set connection interface 11 is connected to main frame 2;
(202) access device 1 is set at the use block with first application program block 132 of storer 13 and confidential data block 133 not, and the second application program block 134 and confidential data block 135 are for stopping using block;
(203) carry out stored finger print identifying program in the first application program block 132;
(204) user utilizes fingerprint scanner 14 input fingerprints and fingerprint scanner to be driven by the first application program block, 132 stored finger scan programs;
(205) the finger print identifying program is done a contrast with fingerprint that the user imported and hidden blocks 131 stored user's fingerprint characteristics, if contrast meets, then carry out step 206; If contrast does not meet, then carry out step 204;
(206) binding of access device 1 automatic cut-out and main frame 2, and after cutting off binding, this access device 1 links with main frame 2 automatically once more, and the confidential data block 135 and the second application program block 134 of storer 13 be set at the use block, and confidential data block 133 and the first application program block 132 are not set at inactive block;
(207) carry out the stored switching formula of the second application program block 134;
(208) binding of access device 1 automatic cut-out and main frame 2, and after cutting off binding, this access device 1 links with main frame 2 automatically once more, and the not confidential data block 133 and the first application program block 132 of storer 13 be set at the use block, and the confidential data block 135 and the second application program block 134 are set at inactive block;
(209) finish.
See also shown in Figure 5, calcspar for the another preferred embodiment of the present invention, find out by knowing among the figure, these storer 13 set not confidential data blocks 133 can be a plurality of with confidential data block 135, make cipher authentication program or finger print identifying program can control the running of a plurality of not confidential data blocks 133 and confidential data block 135 simultaneously, moreover, this second application program block 134 makes access device 1 can have multiple different function for can store enciphering/deciphering program, computer locking program, screen locker or compression/de-compression program.
The key that the portable access device of tool function of keeping secret of the present invention improves prior art is:
(1) cipher authentication program or the finger print identifying program that stores in the first application program block 132 that the present invention utilizes storer 13 to be cut apart, whether contrast user's identity identical with user's identity in the hidden blocks 131, to guarantee that stored data can not stolen by the user that non-authenticated program is approved in the confidential data block 135, and must be in main frame 2 in when using configuration driver, to solve the prior art need driver is stored to inconvenience in institute's connection main frame.
(2) cipher authentication program or the finger print identifying program that stores in the first application program block 132 that the present invention utilizes storer 13 to be cut apart, the startup of controlling confidential data block not 133 and confidential data block 135 whether, allow the unrestricted data that will maintain secrecy of user be positioned in the same block, can only do the action of enciphering/deciphering at particular category or archives to avoid prior art, and can't do secret to whole disk block, the user must be subject to many limitations when using, and can't manage the data that needs by maintaining secrecy arbitrarily, the inconvenience in the use of causing.
Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the present invention, only this embodiment is not in order to limit claim of the present invention, such as other does not break away from the equalization finished under the disclosed skill spirit and changes and modify change, all should be contained in the claim that the present invention contains.
In sum, the portable access device of tool function of keeping secret of the present invention has obvious effect when using promotes, and really meets the patent requirement of novelty, invention and progressive, files an application in accordance with the law.
Claims (16)
1. the access method of the portable access device of a tool function of keeping secret, this access device is provided with the interface that is connected that can be electric connection with default main frame, and connect interface and be connected with the microcontroller that to carry out the instruction that main frame transmits, and microcontroller is connected with storer, and storer cut apart hidden blocks is arranged, the first application program block, not confidential data block and confidential data block; Wherein:
This hidden blocks is for storing user's password;
This first application program block stores the cipher authentication program, and main frame is when carrying out the cipher authentication program, this cipher authentication program can require the user to input password, and the cipher authentication program can be done a contrast by user's password that password that the user inputed and hidden blocks is stored;
This not the confidential data block have one or more, and the confidential data block can directly not provide the data in the main frame access block when connecting interface and be connected to main frame;
This confidential data block has one or more, and the confidential data block can provide main frame access block interior data after the stored user's password of cipher authentication program contrast password that the user inputed and hidden blocks meets.
2. the access method of the portable access device of tool function of keeping secret as claimed in claim 1, the first application program block of wherein using in this access method stores the program of automatically performing, make access device when being connected to default main frame, can automatically perform the cipher authentication program.
3. the access method of the portable access device of tool function of keeping secret as claimed in claim 1, wherein the storer of using in this access method is cut apart the second application program block, and this second application program block stores changeover program or application program.
4. the access method of the portable access device of tool function of keeping secret as claimed in claim 3, after wherein the stored user's password of this cipher authentication program contrast password that the user inputed and hidden blocks meets, can cut off the binding of access device and main frame automatically, and after cutting off connection, can be connected with main frame once more, and to main frame declaration confidential data block and the second application program block for using block, and the confidential data block is not inactive block with the first application program block.
5. the access method of the portable access device of tool function of keeping secret as claimed in claim 3, wherein this changeover program can be when the user carries out, cut off the binding of access device and main frame, and after cutting off connection, can be connected with main frame once more, and main frame declared not confidential data block and the first application program block for using block, and confidential data block and the second application program block are inactive block.
6. the access method of the portable access device of a tool function of keeping secret, this access device is provided with the interface that is connected that can be electric connection with default main frame, and connect interface and be connected with the microcontroller that to carry out the instruction that main frame transmits, and microcontroller is connected with fingerprint scanner and storer respectively, and storer cut apart hidden blocks is arranged, the first application program block, not confidential data block and confidential data block; Wherein:
This hidden blocks stores user's fingerprint characteristic;
This first application program block stores finger print identifying scanning sequence and identification of fingerprint program, and main frame is when carrying out the finger print identifying program, this finger print identifying program can require the user to import fingerprint by fingerprint scanner, and the finger print identifying program can be done a contrast by user's fingerprint characteristic that fingerprint that the user imported and hidden blocks is stored;
This not the confidential data block have one or more, and the confidential data block can be when not connecting interface and be connected to main frame, directly provide the main frame access to get data in the piece;
This confidential data block has one or more, and the confidential data block can provide main frame access block interior data after the stored user's fingerprint characteristic of finger print identifying program contrast fingerprint that the user imported and hidden blocks meets.
7. the access method of the portable access device of tool function of keeping secret as claimed in claim 6, the first application program block of wherein using in this access method stores the program of automatically performing, make access device when being connected to default main frame, can automatically perform the finger print identifying program.
8. the access method of the portable access device of tool function of keeping secret as claimed in claim 6, wherein, the storer of using in this access method is cut apart the second application program block, and this second application program block is for storing changeover program or application program.
9. the access method of the portable access device of tool function of keeping secret as claimed in claim 8, after wherein the stored user's fingerprint characteristic of this finger print identifying program contrast fingerprint that the user imported and hidden blocks meets, can cut off the binding of access device and main frame automatically, and after cutting off connection, can be connected with main frame once more, and to main frame declaration confidential data block and the second application program block for using block, and the confidential data block is not inactive block with the first application program block.
10. the access method of the portable access device of tool function of keeping secret as claimed in claim 9, wherein this changeover program can be when the user carries out, cut off the binding of access device and main frame, and after cutting off connection, can be connected with main frame once more, and main frame declared not confidential data block and the first application program block for using block, and confidential data block and the second application program block are inactive block.
11. the portable access device of a tool function of keeping secret, this access device is provided with the interface that is connected that can be electric connection with default main frame, and connect interface and be connected with the microcontroller that to carry out the instruction that main frame transmits, and microcontroller is connected with storer, and storer cut apart hidden blocks is arranged, the first application program block, not confidential data block and confidential data block; Wherein:
This hidden blocks stores user's password;
This first application program block stores the cipher authentication program.
12. the portable access device of tool function of keeping secret as claimed in claim 11, wherein, this storer is cut apart the second application program block, and this second application program block stores changeover program or application program.
13. the portable access device of tool function of keeping secret as claimed in claim 11, wherein this first application program block can be the block of ISO9660 form or dos format.
14. the portable access device of tool function of keeping secret as claimed in claim 11, wherein this connection interface can be USB (universal serial bus) connection interface IEEE 1394, SerialATA connects interface or memory card connects interface.
15. the portable access device of tool function of keeping secret as claimed in claim 11, wherein this storer can be flash memory or hard disk.
16. the portable access device of tool function of keeping secret as claimed in claim 11, wherein this access device can be carry-on dish, memory card, little shape hard disk or hard disk memory device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101085667A CN100472481C (en) | 2005-10-10 | 2005-10-10 | Portable access device with secret function and access method thereof |
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| CNB2005101085667A CN100472481C (en) | 2005-10-10 | 2005-10-10 | Portable access device with secret function and access method thereof |
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| CN1949194A true CN1949194A (en) | 2007-04-18 |
| CN100472481C CN100472481C (en) | 2009-03-25 |
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| CN101615427B (en) * | 2008-06-24 | 2012-08-08 | 群联电子股份有限公司 | Management method of nonvolatile memory and controller using same |
| CN101944034A (en) * | 2009-07-03 | 2011-01-12 | 群联电子股份有限公司 | File executing method and system and programmable storage device |
| CN101944034B (en) * | 2009-07-03 | 2014-04-16 | 群联电子股份有限公司 | File executing method and system |
| US8230162B2 (en) | 2009-12-11 | 2012-07-24 | Phison Electronics Corp. | Block management method for flash memory, and flash memory controller and flash memory storage device using the same |
| CN102110061B (en) * | 2009-12-24 | 2013-11-13 | 群联电子股份有限公司 | Block managing method, flash controller and flash memory device |
| CN102841982A (en) * | 2012-07-16 | 2012-12-26 | 中兴通讯股份有限公司 | Method and system for realizing Easter egg function of Ufi type data card based product |
| CN103207976A (en) * | 2013-01-25 | 2013-07-17 | 贵州信安达科技有限公司 | Mobile storage file leakage-preventing method and confidential U-disk based on same |
| CN103207976B (en) * | 2013-01-25 | 2016-04-27 | 贵州信安达科技有限公司 | Mobile storage file prevents the method for divulging a secret and the secret USB flash disk based on the method |
| US10959093B2 (en) | 2014-05-08 | 2021-03-23 | Visa International Service Association | Method and system for provisioning access data to mobile device |
| US11895491B2 (en) | 2014-05-08 | 2024-02-06 | Visa International Service Association | Method and system for provisioning access data to mobile device |
| CN107636664A (en) * | 2015-05-07 | 2018-01-26 | 维萨国际服务协会 | For to the method and system of mobile device supply access data |
| CN107636664B (en) * | 2015-05-07 | 2021-11-23 | 维萨国际服务协会 | Method, device and apparatus for provisioning access data to a mobile device |
| JP2018121327A (en) * | 2017-01-25 | 2018-08-02 | 建綱 楊 | Mobile data storage device having access control function |
| CN109165532A (en) * | 2017-06-27 | 2019-01-08 | 慧荣科技股份有限公司 | Storage device management method and storage device management system |
| CN111191298A (en) * | 2019-12-30 | 2020-05-22 | 山东方寸微电子科技有限公司 | Storage device and mobile storage equipment that a plurality of partitions switch in real time |
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