CN102117249A - Data memory device as well as data memory method and data access control method thereof - Google Patents
Data memory device as well as data memory method and data access control method thereof Download PDFInfo
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- CN102117249A CN102117249A CN2010100426379A CN201010042637A CN102117249A CN 102117249 A CN102117249 A CN 102117249A CN 2010100426379 A CN2010100426379 A CN 2010100426379A CN 201010042637 A CN201010042637 A CN 201010042637A CN 102117249 A CN102117249 A CN 102117249A
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Abstract
The invention is suitable for the technical field of data memory and provides a data memory device as well as a data memory method and a data access control method thereof. The data memory device comprises a control module, an interface module and a memory module, wherein the interface module and the memory module are electrically connected with the control module; a separator which is used for separating a memory space of the memory module into an accessible public zone and a protection zone which is accessible after certification is arranged in the memory module, and the public zone and the protection zone share the same file system. In the data memory device as well as the data memory method and the data access control method thereof provided by the invention, the separator is arranged in the memory space of the memory module so as to separate the memory space into the accessible public zone and the protection zone which is accessible after certification, and the public zone and the protection zone share the same file system. With the invention, the disclosure and privacy of the data stored in the data memory device can be realized with the separator as a boundary according to the actual demands of a user.
Description
Technical field
The invention belongs to technical field of data storage, relate in particular to a kind of data storage device, date storage method and data access control method thereof.
Background technology
Along with the fast development of computer technology and information storage technology, people's daily life, office and study etc. use data storage device more and more, as USB flash disk, portable hard drive, CD, MP3 etc.When most of data storage device was connected with main process equipment, main process equipment can read the data in the described data storage device arbitrarily or write data in described data storage device, and the data in the described data storage device have no confidentiality and can say.The small part data storage device is also arranged for special requirement, have encryption function, but described data storage device with encryption function is to protect the data of its storage are whole, just can read the content of the inside after the user only obtains the authorization.
As seen, common data storage device can only carry out full disclosure or maintains complete secrecy being stored in wherein data, can not carry out the open or privacy amplification of part according to user's demand, and certain limitation is arranged.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of data storage device, and being intended to solve data storage device common in the prior art can only be to being stored in storage data full disclosure wherein or the problem that maintains complete secrecy.
The embodiment of the invention is achieved in that a kind of data storage device, comprising:
Control module;
Be electrically connected with described control module, be used for the interface module of link control module and end host equipment;
Be electrically connected with described control module, be used to store the memory module of data;
Being provided with the storage space that is used for memory module in the described memory module is divided into addressable public area and authenticates the separator that passes through addressable protected location, back, the shared identical file in described public area and protected location system; The unit that is provided with that also comprises the address that is used to be provided with separator in the described control module.
The embodiment of the invention also provides a kind of date storage method that adopts described data storage device, said method comprising the steps of:
Data are write storage space in the described memory module;
According to the size of public data in the data and private data, the address of separator in the storage space of memory module is set by the unit that is provided with in the control module.
The embodiment of the invention also provides a kind of data access control method that adopts described data storage device, said method comprising the steps of:
The control module of described data storage device receive the end host equipment that is connected with the interface module of described data storage device visit order;
Whether described control module judges reference address position in the described visit order in the public area, if not then control module is sent the authentication instruction by interface module to end host equipment;
If described end host equipment is by the authentication instruction, control module then allows end host device access protected location, otherwise the denied access protected location.
The embodiment of the invention compared with prior art; beneficial effect is: by in the storage space of memory module separator being set; described storage space is divided into addressable public area passes through addressable protected location, back with authentication, and public area and protected location shared identical file system.The present invention can realize according to user's actual demand the data that are stored in wherein are the open of boundary with the separator and maintain secrecy.
Description of drawings
Fig. 1 is the module frame chart of the data storage device that provides of the embodiment of the invention;
Fig. 2 is the process flow diagram of the date storage method of the described data storage device of employing that provides of the embodiment of the invention;
Fig. 3 is the process flow diagram of the data access control method of the described data storage device of employing that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, the data storage device that the embodiment of the invention provides comprises:
Be electrically connected with described control module 102, be used for the interface module 101 of link control module 102 and end host equipment;
Be electrically connected with described control module 102, be used to store the memory module 103 of data;
Being provided with the storage space that is used for memory module 103 in the described memory module 103 is divided into addressable public area and authenticates the separator that passes through addressable protected location, back, the shared identical file in described public area and protected location system;
What also comprise the address that is used to be provided with separator in the described control module 102 is provided with unit 104.
Wherein, also can be used for being provided with the address of separator by the end host equipment that is connected with interface module of authentication.
Wherein,, can make memory module 103 simple in structure, and can realize of the continuous storage of same data in public area and protected location by public area and protected location shared identical file system.
Concrete, described storage space is made up of continuous logic storage unit.
More specifically, the storage space before the address of described separator is the public area, and the storage space after the address of separator is the protected location; Or
Storage space before the address of separator is the protected location, and the storage space after the address of separator is the public area.
Further, the embodiment of the invention can also be provided with a plurality of separators in described storage space, to divide a plurality of public areas and protected location, convenient user's use.
Concrete, described interface module 101 also is used for to described control module 102 and memory module 103 power supplies.
In application, when the interface module in the data storage device that the embodiment of the invention provides 101 is connected the visit order that also main frame of receiving terminal is provided with end host equipment after, control module 102 just can judge reference address in the visit order of end host equipment in the public area still in the protected location, if in the public area, the data of storing in the public area of 102 permissions of control module end host device access memory module 103; If in the protected location, 102 of control modules can allow to authenticate the data of storing in the protected location of the end host device access memory module of passing through 103.
In addition, the end host equipment that authentication is passed through can carry out operations such as reading and writing or deletion to the data in the storage space, and being equivalent to described data storage device provides a complete continuous storage space.The end host equipment that authentication is passed through can also be used to adjusting the address of separator in storage space in the memory module 103, to repartition the boundary of public area and protected location.
See also Fig. 2, the embodiment of the invention also provides a kind of date storage method that adopts described data storage device, said method comprising the steps of:
S201: data are write storage space in the described memory module;
S202:, the address of separator in the storage space of memory module is set by the unit that is provided with in the control module according to the size of public data in the data and private data.
Wherein, described step S202 can also be substituted by following steps:
According to the size of public data in the data and private data,, the address of separator in the storage space of memory module is set by the end host equipment that is connected with interface module.
Wherein, further comprising the steps of before the described step S201:
Format described memory module.
See also Fig. 3, the embodiment of the invention also provides a kind of data access control method that adopts described data storage device, said method comprising the steps of:
S301: the control module of described data storage device receive the end host equipment that is connected with the interface module of described data storage device visit order;
S302: whether described control module judges reference address position in the described visit order in the public area, if, then enter step S303, if not, step S304 then entered;
S303: control module allows end host device access public area;
S304: control module is sent the authentication instruction by interface module to end host equipment;
S305: if described end host equipment instructs by authentication, control module then allows end host device access protected location, otherwise the denied access protected location.
Data storage device of the present invention, date storage method and data access control method thereof; by in the storage space of memory module, separator being set; described storage space is divided into addressable public area passes through addressable protected location, back with authentication, and public area and protected location shared identical file system.The present invention can realize according to user's actual demand the data that are stored in wherein are the open of boundary with the separator and maintain secrecy.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. data storage device comprises:
Control module;
Be electrically connected with described control module, be used for the interface module of link control module and end host equipment;
Be electrically connected with described control module, be used to store the memory module of data;
It is characterized in that,
Being provided with the storage space that is used for memory module in the described memory module is divided into addressable public area and authenticates the separator that passes through addressable protected location, back, the shared identical file in described public area and protected location system;
The unit that is provided with that also comprises the address that is used to be provided with separator in the described control module.
2. data storage device as claimed in claim 1 is characterized in that described storage space is made up of continuous logic storage unit.
3. data storage device as claimed in claim 1 is characterized in that, described interface module also is used for to described control module and memory module power supply.
4. data storage device as claimed in claim 1 is characterized in that, the storage space before the address of described separator is the public area, and the storage space after the address of separator is the protected location.
5. data storage device as claimed in claim 1 is characterized in that, the storage space before the address of described separator is the protected location, and the storage space after the address of separator is the public area.
6. a date storage method that adopts the described data storage device of claim 1 is characterized in that, said method comprising the steps of:
Data are write storage space in the described memory module;
According to the size of public data in the data and private data, the address of separator in the storage space of memory module is set by the unit that is provided with in the control module.
7. a data access control method that adopts the described data storage device of claim 1 is characterized in that, said method comprising the steps of:
The control module of described data storage device receives the visit order of the end host equipment that is connected with the interface module of described data storage device;
Whether described control module judges reference address position in the described visit order in the public area, if not then control module is sent the authentication instruction by interface module to end host equipment;
If described end host equipment is by the authentication instruction, control module then allows end host device access protected location, otherwise the denied access protected location.
8. data access control method as claimed in claim 7 is characterized in that, if described control module judges that the reference address position in the described visit order is in the public area, control module then allows end host device access public area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100426379A CN102117249A (en) | 2010-01-05 | 2010-01-05 | Data memory device as well as data memory method and data access control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010100426379A CN102117249A (en) | 2010-01-05 | 2010-01-05 | Data memory device as well as data memory method and data access control method thereof |
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| CN102117249A true CN102117249A (en) | 2011-07-06 |
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| CN2010100426379A Pending CN102117249A (en) | 2010-01-05 | 2010-01-05 | Data memory device as well as data memory method and data access control method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106909311A (en) * | 2015-12-23 | 2017-06-30 | 宇瞻科技股份有限公司 | Data memory device and its storage method |
| CN110263557A (en) * | 2019-05-31 | 2019-09-20 | 花豹科技有限公司 | Data access control method, storage equipment and computer readable storage medium |
| CN111696611A (en) * | 2019-03-11 | 2020-09-22 | 大陆汽车电子（连云港）有限公司 | Embedded chip data access method |
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| CN1316087A (en) * | 1999-04-27 | 2001-10-03 | 松下电器产业株式会社 | Semiconductor memory card and data reading apparatus |
| CN1619510A (en) * | 2003-11-21 | 2005-05-25 | 深圳市朗科科技有限公司 | Data management method of mobile storage dovice |
| CN101120353A (en) * | 2004-12-21 | 2008-02-06 | 桑迪士克股份有限公司 | Versatile content control with partitioning |
| US20080256322A1 (en) * | 2007-04-13 | 2008-10-16 | Phison Electronics Corp. | Secure storage apparatus and method for controlling the same |
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2010
- 2010-01-05 CN CN2010100426379A patent/CN102117249A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1316087A (en) * | 1999-04-27 | 2001-10-03 | 松下电器产业株式会社 | Semiconductor memory card and data reading apparatus |
| CN1619510A (en) * | 2003-11-21 | 2005-05-25 | 深圳市朗科科技有限公司 | Data management method of mobile storage dovice |
| CN101120353A (en) * | 2004-12-21 | 2008-02-06 | 桑迪士克股份有限公司 | Versatile content control with partitioning |
| US20080256322A1 (en) * | 2007-04-13 | 2008-10-16 | Phison Electronics Corp. | Secure storage apparatus and method for controlling the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106909311A (en) * | 2015-12-23 | 2017-06-30 | 宇瞻科技股份有限公司 | Data memory device and its storage method |
| CN111696611A (en) * | 2019-03-11 | 2020-09-22 | 大陆汽车电子（连云港）有限公司 | Embedded chip data access method |
| CN110263557A (en) * | 2019-05-31 | 2019-09-20 | 花豹科技有限公司 | Data access control method, storage equipment and computer readable storage medium |
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Application publication date: 20110706 |