CN108427982A - A kind of data read-write method and device - Google Patents
A kind of data read-write method and device Download PDFInfo
- Publication number
- CN108427982A CN108427982A CN201810219981.7A CN201810219981A CN108427982A CN 108427982 A CN108427982 A CN 108427982A CN 201810219981 A CN201810219981 A CN 201810219981A CN 108427982 A CN108427982 A CN 108427982A
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- Prior art keywords
- data
- sequence
- digital independent
- storage unit
- data block
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
Abstract
A kind of data read-write method of present invention offer and device, by the sequence for obtaining storage unit to server, data to be stored is split as data block identical with number of memory cells, and according to the sequence of storage unit, each data block is respectively stored in each storage unit, each memory cell stores up a data block；Before the storage of each data, the sequence of storage unit is obtained to server, the sequence for the storage unit that server issues can be different, even if data storage device and data reading device are communicated using same frequency, the sequence for the storage unit that the storage of this data uses is not known, digital independent device can not also obtain effective data information in data storage device, to promote the safety and reliability of data storage.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of data read-write method and device.
Background technology
With the development of NFC (Near Field Communication, close range wireless communication) technology, NFC technique
Using increasingly extensive.The application of NFC technique is typically by the equipment simulating with NFC function into a non-contact card (i.e. chip
Card), such as access card, bank card.Chip card is mainly used in the non-contact mobile payment application under the scenes such as market, traffic
In, if user by chip card close to card reader, and input password confirming transaction or directly receive transaction.Such mode
Under, chip card is powered by (Radio Frequency, the radio frequency) domains RF of contactless card reader, even NFC device out of power
It can also work.Then NFC recognizing apparatus (i.e. card reader) gathered data from the chip card for having TAG (label) function will
Data transmission is handled to application processing system.Typical case based on NFC technique includes local payment, access control, electricity
Sub- ticket application etc..
The mathematics encryption method based on software is used only in the prior art, due to there is the demand of compatibility, generally uses more
General encryption method and key, causes general staff that the reading to card essential information can be completed using common apparatus.If
The information of chip card storage includes confidential information or sensitive information, then easily causes information leakage, there are security risks.
Therefore, there is an urgent need for a kind of reading and writing data schemes to solve the above problems.
Invention content
The present invention aiming at the above shortcomings existing in the prior art, provides a kind of data read-write method and device, to solve
The problem of safety difference existing for certainly existing reading and writing data scheme.
The present invention is in order to solve the above technical problems, adopt the following technical scheme that：
The present invention provides a kind of data read-write method, applied to the storage device for including multiple storage units, the method
Including：
The sequence of storage unit is obtained to server；
Data to be stored is split as to the data block of preset quantity；
According to the sequence of the storage unit, each data block is respectively stored in each storage unit；Wherein, described
The quantity of storage unit is identical as the quantity of the data block, and each memory cell stores up a data block.
Further, the data read-write method further includes：
The data read request that digital independent device is sent is received, and obtains the digital independent sequence wherein carried；
Judge whether the digital independent sequence is identical as the sequence of the storage unit got from the server, if phase
Together, then the data block of each memory cell storage is obtained, and each data block is sent to the digital independent device.
Preferably, each storage unit corresponds to different communication frequencys respectively；
It is described that the data block is sent to each digital independent device, it specifically includes：
Each storage unit is sent to the data by respective communication frequency, by the data block that this memory cell is stored up
Reading device.
Further, the data read-write method further includes：
If the digital independent sequence is different from the sequence of storage unit got from the server, deletes or lock
The data block that extremely at least partly memory cell is stored up.
The present invention also provides a kind of data read-write method, the method includes：
Digital independent sequence is obtained to server；
To data storage device transmission data read requests, the digital independent row is carried in the data read request
Sequence, so that the data storage device judges the legitimacy of the data read request；
The data block that receiving/storing device is sent, and sorted according to the digital independent, the data block is arranged and combines,
The data block is that the data storage device is sent after judging that the data read request is legal.
The present invention also provides a kind of data storage device, the data storage device includes：Including：First acquisition module,
Split module, writing module and multiple storage units；
First acquisition module is used for, and the sequence of storage unit is obtained to server；
The fractionation module is used for, and data to be stored is split as to the data block of preset quantity；
Said write module is used for, and according to the sequence of the storage unit, each data block is respectively stored in and is respectively deposited
In storage unit；Wherein, the quantity of the storage unit is identical as the quantity of the data block, and each memory cell storage one
A data block.
Further, the data storage device further includes the first receiving module, processing module and the first sending module,
First receiving module is used for, and receives the data read request that digital independent device is sent；
The processing module is additionally operable to, and is obtained the digital independent carried in the data read request and is sorted, described in judgement
Whether digital independent sequence is identical as the sequence of the storage unit got from the server, when the two is identical, obtains each
The data block of memory cell storage, and indicate that each data block is sent to the digital independent by first sending module
Device.
Preferably, each first sending module is corresponded with each storage unit, and corresponds to different lead to respectively
Believe frequency；
First sending module is specifically used for, and the data block that this memory cell is stored up is sent to the digital independent
Device.
Further, the processing module is additionally operable to, when the digital independent for judging to carry in the data read request
When sequence is different from the sequence of storage unit got from the server, at least partly memory cell is deleted or locked
The data block of storage.
The present invention also provides a kind of digital independent device, the digital independent device includes：Including：Second acquisition module,
Second sending module, the second receiving module and read module；
Second acquisition module is used for, and digital independent sequence is obtained to server；
Second sending module is used for, to data storage device transmission data read requests, the data read request
In carry digital independent sequence so that the data storage device judges the legitimacy of the data read request；
Second receiving module is used for, and the data block that receiving/storing device is sent, the data block is that the data are deposited
What storage device was sent after judging that the data read request is legal；
The read module is used for, and is sorted according to the digital independent, is arranged and combine the data block.
Data to be stored is split as and number of memory cells by the present invention by obtaining the sequence of storage unit to server
Identical data block, and according to the sequence of storage unit, each data block is respectively stored in each storage unit, each storage is single
A data block is stored in first；Before the storage of each data, the sequence of storage unit is obtained to server, server issues
The sequence of storage unit can be different, even if data storage device and data reading device are communicated using same frequency,
The sequence for the storage unit that the storage of this data uses is not known, and digital independent device, which can not also obtain in data storage device, to be had
The data information of effect, to promote the safety and reliability of data storage.
Description of the drawings
Fig. 1 is one of the flow chart of data read-write method provided in an embodiment of the present invention；
Fig. 2 is the two of the flow chart of data read-write method provided in an embodiment of the present invention；
Fig. 3 is the three of the flow chart of data read-write method provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of data storage device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of digital independent device provided in an embodiment of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, clear, complete description is carried out to the technical solution in the present invention, is shown
So, described embodiment is a part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work all belong to
In the scope of protection of the invention.
The present invention provides a kind of data read-write method, and the method is applied to include data storage device, digital independent dress
It sets in the system with server, wherein data storage device can be contactless chip card, including multiple storage units, respectively
Storage unit is located in the different zones of the chip card.Digital independent device can be card reader, and server is for depositing data
The safety of storage device and data reading device is managed.
The data read-write method of the present invention includes data Stored Procedure and data reading flow journey, below in conjunction with Fig. 1, to data
Stored Procedure is described in detail, as shown in Figure 1, the flow includes the following steps：
Step 101, the sequence of storage unit is obtained to server.
Specifically, before carrying out data storage every time, data storage device obtains this data to server and stores institute
The sequence of the storage unit needed.Each storage unit for being ordered as data storage device of storage unit puts in order, the sequence
As storage order of each section data to be stored on data storage device.
Data storage device can initiate to obtain request to server, and server is asked to store to data and be filled based on the acquisition
Set the sequence for issuing storage unit；Alternatively, server issues the sequence of storage unit according to preset rules to data storage device,
The preset rules can be issued in the period, can also be to issue storage for the same batch of data storage device, same manufacturer
The sequence of unit, or randomly generate and issue the sequence of storage unit.
Step 102, data to be stored is split as to the data block of preset quantity.
Specifically, data to be stored is split as data block identical with the quantity of storage unit by data storage device.
Step 103, according to the sequence of storage unit, each data block is respectively stored in each storage unit.
Specifically, sequence of the data storage device according to storage unit, the data block after fractionation is respectively stored in each
In storage unit, wherein each memory cell stores up a data block, in this way, entire data to be stored is stored in number
According in storage device.Correspondingly, the data block that each memory cell is stored up is combined by the sequence according to storage unit, i.e.,
Complete data to be stored can be obtained.It should be noted that in order to realize that effective reading of data, digital independent device need thing
First obtain the sequence of storage unit based on when this data stores.
101-103 can be seen that the present invention by the sequence to server acquisition storage unit through the above steps, will wait for
Storage data are split as data block identical with number of memory cells, and according to the sequence of storage unit, each data block is distinguished
It is stored in each storage unit, each memory cell stores up a data block；Before the storage of each data, to server
The sequence of storage unit is obtained, the sequence for the storage unit that server issues can be different, even if data storage device and data
Reading device is communicated using same frequency, it is not known that the sequence for the storage unit that the storage of this data uses, data are read
Effective data information in data storage device can not be obtained by taking device also, to promote the safety of data storage and reliable
Property.
Since the data block in storage unit can be read and write repeatedly, may be implemented different to being used with a batch of chip card
Sequence stored, or reset sequence after chip card is merchandised every time.
Below in conjunction with Fig. 2, data reading flow journey is described in detail.As shown in Fig. 2, the flow includes the following steps：
Step 201, the data read request that digital independent device is sent is received, and obtains the digital independent row wherein carried
Sequence.
Specifically, data storage device receives the data read request that digital independent device is sent, obtains digital independent and ask
The digital independent of middle carrying is asked to sort, the digital independent sequence is that digital independent device is obtained to server.
Step 202, the storage list for judging the digital independent carried in data read request sequence and being got from server
Whether the sequence of member is identical, if identical, thens follow the steps 203, otherwise, executes step 204.
Specifically, if data storage device judges that digital independent sequence is identical as the sequence of storage unit, illustrate data
Read requests are legal, then digital independent device is allowed to read stored data, i.e. data storage device obtains each storage unit
The data block of interior storage, and each data block is sent to digital independent device and (executes step 203).If data storage device is sentenced
Break digital independent sequence it is different from the sequence of storage unit, illustrate that data read request is illegal, then do not allow digital independent
Device reads stored data and (executes step 204).
Step 203, the data block of each memory cell storage is obtained, and each data block is sent to digital independent device.
Specifically, each storage unit of data storage device corresponds to different communication frequencys respectively, that is to say, that data are deposited
Storage device has the storage unit and communication frequency of identical quantity, and the number that each storage unit, communication frequency and fractionation obtain
It is corresponded respectively according to block.Specifically, data storage device includes multiple first sending modules, the first sending module is transmitting day
Line, each first sending module is corresponded with each storage unit, and corresponds to different communication frequencys respectively.
It is described that each data block is sent to digital independent device, it specifically includes：Each storage unit is respectively by respective logical
Believe frequency, the data block that this memory cell is stored up is sent to digital independent device.
Since the corresponding communication frequency of each storage unit is different, in this way, the data block of each memory cell storage can
It is sent with synchronous, will not be had an impact between each other, correspondingly, digital independent device, which can synchronize, receives each data block, from
And improve data reading speed.
Since the data storage device of the present invention is used cooperatively with digital independent device needs, that is, need to use dedicated number
According to reading device.But it in order to ensure that data storage device remains able to be used cooperatively with existing digital independent device, improves
System compatibility, it is preferred that a communication frequency in data storage device can be very widely used today 13.56MHz ±
7kHz, correspondingly, the facility information that the storage unit of the corresponding communication frequency can be used for storing data storage device (such as blocks
Number etc.), in this way, the data storage device is stored with the minimum information (i.e. card number) completed needed for transaction, to make it have to existing
There is the downward compatibility of transaction terminal (i.e. digital independent device) contactless payment function.
Step 204, delete or lock the data block of at least partly memory cell storage.
If specifically, data storage device judge digital independent sequence it is different from the sequence of storage unit, deletion or
The data block of locked at least partly memory cell storage, i.e. refusal are read or erasing partial data, prevent be in request of data
In the case of illegal, digital independent device by first obtaining the data that each memory cell is stored up on data storage device, then
The possibility for carrying out Brute Force, to further increase safety and reliability.
It should be noted that in the case where judging digital independent sequence and the sequence difference of storage unit, data are deposited
Storage device can not also delete or the data block of locked at least partly memory cell storage, but to the number of data reading device
Response is refused according to read requests.
The present invention also provides a kind of data read-write methods, as shown in figure 3, the described method comprises the following steps：
Step 301, digital independent sequence is obtained to server.
Specifically, before carrying out digital independent every time, digital independent device obtains this digital independent institute to server
The digital independent sequence needed.
Digital independent device can initiate to obtain request to server, and server asks to fill to digital independent based on the acquisition
It sets and issues digital independent sequence；It sorts alternatively, server issues digital independent according to preset rules to digital independent device, this is pre-
Can also be to issue digital independent for the same batch of digital independent device, same manufacturer if rule can be issued in the period
Sequence, or randomly generate and issue digital independent sequence.Under normal circumstances, the data that server is issued to digital independent device are read
Take sequence identical as the sequence of storage unit issued to data storage device, to ensure the normal reading of data.
Step 302, to data storage device transmission data read requests.
Specifically, digital independent device to data storage device transmission data read requests, is taken in the data read request
It sorts with digital independent, so that data storage device judges the legitimacy of data read request according to the digital independent.
Step 303, each data block that receiving/storing device is sent, and sorted according to digital independent, arrange and combine each number
According to block.
If specifically, the digital independent sequence that is carried in judging data read request of data storage device with from service
The sequence for the storage unit that device is got is identical, then sends each data block to digital independent device, that is to say, that data storage dress
It sets after judging that data read request is legal, each data block is sent to data storage device.
Preferably, digital independent device can also include multiple second receiving modules, and the second receiving module can be to receive
Antenna, each second receiving module correspond to different communication frequencys respectively, each communication of the communication frequency and data storage device
Frequency is corresponding.In this way, data storage device can be utilized respectively respectively using each reception antenna synchronous receiving data storage device
The data block that transmitting antenna is sent, to improve the efficiency of digital independent.
After each data block reception finishes, digital independent device sorts according to digital independent, arranges and combines each number
According to block, to obtain complete data, which is data to be stored, to realize the reading of data.
Based on the same technical idea, the embodiment of the present invention also provides a kind of data storage device, as shown in figure 4, the number
May include according to storage device：First acquisition module 41 splits module 42, writing module 43 and multiple storage units.
First acquisition module 41 is used for, and the sequence of storage unit is obtained to server.
It splits module 42 to be used for, data to be stored is split as to the data block of preset quantity.
Writing module 43 is used for, and according to the sequence of storage unit, each data block is respectively stored in each storage unit；Its
In, the quantity of storage unit is identical as the quantity of data block, and each memory cell stores up a data block.
Further, the data storage device further includes the first receiving module 44, the transmission mould of processing module 45 and first
Block 46, the first receiving module 44 are used for, and receive the data read request that digital independent device is sent.
Processing module 45 is additionally operable to, and is obtained the digital independent sequence carried in data read request, is judged that digital independent is arranged
Whether sequence is identical as the sequence of the storage unit got from server, when the two is identical, obtains each memory cell storage
Data block, and indicate the first sending module 46 each data block is sent to digital independent device.
Preferably, each first sending module 46 is corresponded with each storage unit, and corresponds to different communication frequencys respectively.
First sending module 46 is specifically used for, and the data block that this memory cell is stored up is sent to digital independent device.
Further, processing module 45 is additionally operable to, when judge to carry in data read request digital independent sequence with
When the sequence of the storage unit got from server is different, the data of at least partly memory cell storage are deleted or locked
Block.
Based on the same technical idea, the embodiment of the present invention also provides a kind of digital independent device, as shown in figure 5, the number
May include according to reading device：Second acquisition module 51, the second sending module 52, the second receiving module 53 and read module 54.
Second acquisition module 51 is used for, and digital independent sequence is obtained to server.
Second sending module 52 is used for, to data storage device transmission data read requests, in the data read request
The digital independent sequence is carried, so that data storage device judges the legitimacy of data read request.
Second receiving module 53 is used for, and the data block that receiving/storing device is sent, the data block is data storage device
It is sent after judging that data read request is legal.
Read module 54 is used for, and is sorted according to digital independent, is arranged and is combined the data block.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of data read-write method, which is characterized in that applied to the storage device for including multiple storage units, the method packet
It includes：
The sequence of storage unit is obtained to server；
Data to be stored is split as to the data block of preset quantity；
According to the sequence of the storage unit, each data block is respectively stored in each storage unit；Wherein, the storage
The quantity of unit is identical as the quantity of the data block, and each memory cell stores up a data block.
2. the method as described in claim 1, which is characterized in that the method further includes：
The data read request that digital independent device is sent is received, and obtains the digital independent sequence wherein carried；
Judge whether the digital independent sequence is identical as the sequence of the storage unit got from the server, if identical,
The data block of each memory cell storage is then obtained, and each data block is sent to the digital independent device.
3. method as claimed in claim 2, which is characterized in that each storage unit corresponds to different communication frequencys respectively；
It is described that the data block is sent to each digital independent device, it specifically includes：
Each storage unit is sent to the digital independent by respective communication frequency, by the data block that this memory cell is stored up
Device.
4. method as claimed in claim 2, which is characterized in that the method further includes：
If digital independent sequence is different from the sequence of storage unit got from the server, delete or lock to
The data block of small part memory cell storage.
5. a kind of data read-write method, which is characterized in that the method includes：
Digital independent sequence is obtained to server；
To data storage device transmission data read requests, the digital independent sequence is carried in the data read request,
So that the data storage device judges the legitimacy of the data read request；
The data block that receiving/storing device is sent, and sorted according to the digital independent, the data block is arranged and combines, it is described
Data block is that the data storage device is sent after judging that the data read request is legal.
6. a kind of data storage device, which is characterized in that including：First acquisition module splits module, writing module and multiple deposits
Storage unit；
First acquisition module is used for, and the sequence of storage unit is obtained to server；
The fractionation module is used for, and data to be stored is split as to the data block of preset quantity；
Said write module is used for, and according to the sequence of the storage unit, it is single that each data block is respectively stored in each storage
In member；Wherein, the quantity of the storage unit is identical as the quantity of the data block, and each memory cell stores up a number
According to block.
7. data storage device as claimed in claim 6, which is characterized in that further include the first receiving module, processing module and
First sending module,
First receiving module is used for, and receives the data read request that digital independent device is sent；
The processing module is additionally operable to, and is obtained the digital independent sequence carried in the data read request, is judged the data
It is whether identical as the sequence of the storage unit got from the server to read sequence, when the two is identical, obtains each storage
The data block of element memory storage, and indicate that each data block is sent to the digital independent and filled by first sending module
It sets.
8. data storage device as claimed in claim 7, which is characterized in that each first sending module and each storage
Unit corresponds, and corresponds to different communication frequencys respectively；
First sending module is specifically used for, and the data block that this memory cell is stored up, which is sent to the digital independent, to be filled
It sets.
9. data storage device as claimed in claim 7, which is characterized in that the processing module is additionally operable to, when judging
State carried in data read request digital independent sequence it is different from the sequence of storage unit got from the server when,
Delete or lock the data block of at least partly memory cell storage.
10. a kind of digital independent device, which is characterized in that including：Second acquisition module, the second sending module, second receive mould
Block and read module；
Second acquisition module is used for, and digital independent sequence is obtained to server；
Second sending module is used for, and to data storage device transmission data read requests, is taken in the data read request
It sorts with the digital independent, so that the data storage device judges the legitimacy of the data read request；
Second receiving module is used for, the data block that receiving/storing device is sent, and the data block is the data storage dress
Set the transmission after judging that the data read request is legal；
The read module is used for, and is sorted according to the digital independent, is arranged and combine the data block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810219981.7A CN108427982A (en) | 2018-03-16 | 2018-03-16 | A kind of data read-write method and device |
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| CN201810219981.7A CN108427982A (en) | 2018-03-16 | 2018-03-16 | A kind of data read-write method and device |
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