CN107945324A - Card writing method, card reading method and the device of access control system - Google Patents
Card writing method, card reading method and the device of access control system Download PDFInfo
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- CN107945324A CN107945324A CN201711124908.3A CN201711124908A CN107945324A CN 107945324 A CN107945324 A CN 107945324A CN 201711124908 A CN201711124908 A CN 201711124908A CN 107945324 A CN107945324 A CN 107945324A
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- Prior art keywords
- card
- user
- key
- access
- control system
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/23—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a password
-
- 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
- G06K19/07318—Means for preventing undesired reading or writing from or onto record carriers by hindering electromagnetic reading or writing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The present invention relates to a kind of card writing method of access control system, card reading method and device, when writing card by being encrypted to obtain the first user key to pre-set user information and the first seed key, by the user sector of first user key write-in access card, the user's sector key for making every access card is unique, with reference to the default key for deleting non-user sector, prevent that user's sector key from being attacked, make user's sector key of access card can not be stolen.Second user key is generated according to user information and second seed key during with reference to Card Reader, door lock is opened after verifying the second user key success by the user sector of access card.Based on this, ensure the independence and security of every access card, eliminate the security breaches of access control system.
Description
Technical field
The present invention relates to intelligent entrance guard control technology field, more particularly to a kind of card writing method of access control system, Card Reader
Method and device.
Background technology
For access card after dispatching from the factory, its access card ID is unique, and cannot be changed.Current most of access control systems are answered
Access card ID is all only verified with scene, and special application scenarios just make online process, i.e., completing Card Reader by card reader operates, then
The information of reading is uploaded to background server to be handled.
Traditional access control system, whether general only verification access card ID is correct, if access card ID is correct, opening door lock.
But access card ID is easily replicated, simple authentication access card ID cannot be guaranteed the safety of access control system.On the basis of this, have
A little access control systems control door lock by way of verifying the verification of user's sector key, that is, verify that the user sector of gate inhibition's card is close
Key, if the verification passes then opening door lock.
However, user's sector key in access card is easily stolen, making access control system, there are security breaches.
The content of the invention
Based on this, it is necessary to for access card user's sector key easily by stealing the defects of, there is provided a kind of gate inhibition
Card writing method, card reading method and the device of system.
The technical solution that the embodiment of the present invention is provided is as follows：
A kind of card writing method of access control system, including step：
It is encrypted with reference to pre-set user information and the first seed key, generates the first user key.
By the user sector of first user key write-in access card.
Delete the default key of non-user sector in access card.
A kind of card reading method of access control system, including step：
Read the pre-set user information in access card.
According to user information and second seed key generation second user key.
The second user key is verified by the user sector of access card, if being proved to be successful, opens the door of access control system
Lock.
A kind of write cards device of access control system, including：
Card encryption module is write, is encrypted for combining pre-set user information and the first seed key, generation first
User key.
Card module is write, for first user key to be write to the user sector of access card.
Card modified module is write, for deleting the default key of non-user sector in access card.
A kind of reader device of access control system, including：
Card reading module, for reading the pre-set user information in access card.
Card Reader encrypting module, for generating second user key according to user information and second seed key.Wherein, second
Seed key is identical with the first seed key.
Card Reader authentication module, for verifying the second user key by the user sector of access card, if being proved to be successful,
Open the door lock of access control system.
A kind of card writer, including memory, processor and storage are on a memory and the meter that can run on a processor
The step of calculation machine program, the processor realizes the card writing method of above-mentioned access control system when performing described program, the memory
On be stored with the first seed key.
A kind of card-reading apparatus, including memory, processor and storage are on a memory and the meter that can run on a processor
The step of calculation machine program, the processor realizes the card reading method of above-mentioned access control system when performing described program, the memory
On be stored with second seed key.
A kind of computer-readable recording medium, is stored thereon with computer program, which realizes when being executed by processor
The step of card writing method of above-mentioned access control system.
A kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The step of card reading method of above-mentioned access control system is realized during execution.
The technical solution that the embodiment of the present invention is provided, when writing card by pre-set user information and the first seed key
It is encrypted to obtain the first user key, by the user sector of first user key write-in access card, makes every door
The user's sector key for prohibiting card is unique, with reference to the default key for deleting non-user sector, prevents user's sector key quilt
Attack and cause user's sector key of access card to be stolen.Generated during with reference to Card Reader according to user information and second seed key
Second user key, door lock is opened after verifying the second user key success by the user sector of access card.Based on this, protect
The independence and security of every access card are demonstrate,proved, eliminates the security breaches of access control system.
Brief description of the drawings
Fig. 1 is the card writing method flow chart of access control system；
Fig. 2 is the card writing method flow chart of the access control system of alternative embodiment；
Fig. 3 is the card reading method flow chart of access control system；
Fig. 4 is the write cards device function structure chart of access control system；
Fig. 5 is the reader device function structure chart of access control system.
Embodiment
Purpose, technical solution and technique effect for a better understanding of the present invention, below in conjunction with drawings and examples
Further explaining illustration is carried out to the present invention.State at the same time, embodiments described below is only used for explaining the present invention, not
For limiting the present invention.
In one embodiment, as shown in Figure 1, for access control system card writing method flow chart, including step：
S11, is encrypted with reference to pre-set user information and the first seed key, generates the first user key.
Usually, access card is RF IC card.
Card writer is previously stored with pre-set user information and the first seed key.Wherein, user information is compiled including cell
Number, one or any multinomial combination in building elementary layer room coding and room coding.Different access cards needs to write different
Pre-set user information.
When carrying out writing operation, using pre-set user information as dispersion factor D1, by the first seed key K1 and disperse
Factor D 1 is encrypted.Can spread encryption or combined ciphering by way of to the first seed key K1 and dispersion factor D1 into
Row encryption.Alternatively, mode the first seed key K1 and dispersion factor D1 of combined ciphering is selected to be encrypted, to improve encryption
The efficiency of calculating, while each first user key for obtaining encryption is unique.
Alternatively, the first different seed keys is distributed for different pre-set user information, to improve each first user
The independence of key, prevents that the first user key from inversely being cracked.
S12, by the user sector of first user key write-in access card.
The sector that access card is used to write key is divided into user sector and non-user sector, and the key of user sector is used to write
Enter the key of card writer transmission, non-user sector is then previously stored with key.After encryption obtains the first user key, by
One user key writes the user sector of access card.
Alternatively, according to the read-write protocol of card-reading apparatus and card writer, follow-up card-reading apparatus can read access card use
The key of family sector, and pre-set user information is parsed from key.
Alternatively, as shown in Fig. 2, the card writing method flow chart of the access control system for alternative embodiment, step S12 is by described in
The process of the user sector of first user key write-in access card, including step：
Whether S121, examine access card legal.
Wherein it is possible to by examining the whether registered mistakes of access card ID or examining whether the type of card of access card conforms to
Ask or whether access card ID is rewritable examine the access card legal.
Preferably, the whether legal process of access card, including step are examined：
By the test sector of default test information write-in access card.
Generally, due to which the ID of illegal access card is rewritable, it can respond 7bit special instructions.Cause
This, the test sector of illegal access card, as the 0th sector of Mifare cards can carry out data rewriting, and legal access card
Test sector can not carry out data rewriting.
If write-in failure, judges that gate inhibition engages method.
By the test sector of default test information write-in access card, if write-in fails, illustrate legal access card, otherwise
It is illegal access card.
Default test information is write to judge whether access card is legal by the test sector to access card, is prevented toward evil
The first user key is write in the access card that meaning replicates, causes the first user key to reveal.
S122, if access card is legal, by the user sector of first user key write-in access card.
By examining access card whether legal, prevent that the first user key is write in illegal access card causes the first
The leakage of sub-key, while prevent the first user key by fraudulent copying.
S13, deletes the default key of non-user sector in access card.
The default key of non-user sector in access card is deleted, is prevented by non-user sector by malicious attack to cause
There is the Key Exposure of sector.
The card writing method for the access control system that the present embodiment is provided, when writing card by pre-set user information and the first
Sub-key is encrypted to obtain the first user key, and the user sector of first user key write-in access card makes
User's sector key of every access card is unique, with reference to the default key for deleting non-user sector, prevents user sector
Key is attacked, and makes user's sector key of access card can not be stolen.Based on this, ensure every access card independence and peace
Quan Xing, eliminates the security breaches of access control system.
In one embodiment, as shown in figure 3, for access control system card reading method flow chart, including step：
S21, reads the pre-set user information in access card.
By card-reading apparatus, the first user key in gate inhibition's card user sector can be read, according to card-reading apparatus with writing
The read-write protocol of card apparatus, parses the user information in the first user key.
Alternatively, the process of the pre-set user information in access card, including step are read：
Examine in access card and whether there is log-on message.
If the pre-set user information in access card is read there are log-on message in access card.
Wherein, first judge whether access card has been subjected to registration in Card Reader, read the user information of registered access card,
Prevent from reading unregistered malice access card, there is provided the security of access control system.
S22, second user key is generated according to user information and second seed key.
Second seed key is previously stored with card-reading apparatus, wherein, second seed key and the first seed key phase
Together.The algorithm being encrypted according to pre-set user information and the first seed key, second seed key and user information are carried out
Encryption, obtains second user key.
S23, verifies the second user key by the user sector of access card, if being proved to be successful, opens access control system
Door lock.
The second user key that will be generated in step S22, the user sector for writing access card are verified.Usually, if
The user sector write-in second user key success of access card is then proved to be successful, otherwise authentication failed.
Alternatively, the process of the second user key, including step are verified by the user sector of access card：
Examine whether the second user key matches with the first user key in the user sector of access card；
If first user key and the second user cipher key match, are proved to be successful.
Verified by matching the first user key with the second user key, it is ensured that the access card being proved to be successful
Uniqueness, improve the security of access control system.
Alternatively, before the process of door lock of access control system is opened, step is further included：
Examine the type of card of access card.
Wherein, the access card of legal types is pre-set in access control system, examine access card type of card whether with
Gate inhibition's Card Type of the legal types pre-set is consistent.
If the type of card is legal, the door lock of access control system is opened.
Wherein, by taking Mifare cards as an example, the type of inspection to access card is Mifare cards, judges that type of card is legal, no
Then judge that type of card is illegal.
By verifying type of card before the door lock of access control system is opened, further reduce access control system and examine to malice door
Prohibit the possibility of card, improve the security of access control system.
The card reading method for the access control system that the present embodiment is provided, with reference to Card Reader when, are close according to user information and second seed
Key generates second user key, and door lock is opened after verifying the second user key success by the user sector of access card.Base
In this, ensure the independence and security of every access card, eliminate the security breaches of access control system.
In one embodiment, as shown in figure 4, for access control system write cards device function structure chart, including：
Card encryption module 31 is write, is encrypted for combining pre-set user information and the first seed key, generation the
One user key.
Card module 32 is write, for first user key to be write to the user sector of access card.
Alternatively, writing card module 32 includes：
First inspection module, for examining access card whether legal.
Card determination module is write, for when access card is legal, then first user key to be write to the user of access card
Sector.
Wherein, the first inspection module includes：
Writing module is tested, for default test information to be write to the test sector of access card.
Legal determination module, for when writing failure, judging that gate inhibition engages method
Card modified module 33 is write, for deleting the default key of non-user sector in access card.
The write cards device for the access control system that the present embodiment is provided, when writing card by pre-set user information and the first
Sub-key is encrypted to obtain the first user key, and the user sector of first user key write-in access card makes
User's sector key of every access card is unique, with reference to the default key for deleting non-user sector, prevents user sector
Key is attacked, and makes user's sector key of access card can not be stolen.Based on this, ensure every access card independence and peace
Quan Xing, eliminates the security breaches of access control system.
In one embodiment, as shown in figure 5, for access control system reader device function structure chart, including：
Card reading module 41, for reading the pre-set user information in access card.
Wherein, card reading module 41 includes：
Second inspection module, whether there is log-on message for examining in access card.
Card Reader inspection module, for, there are during log-on message, reading the pre-set user information in access card in access card.
Card Reader encrypting module 42, for generating second user key according to user information and second seed key.
Card Reader authentication module 43, for verifying the second user key by the user sector of access card, if verification into
Work(, opens the door lock of access control system.
Alternatively, the process of the second user key, including step are verified by the user sector of access card：
Examine whether the first user key in the user sector of access card matches with the second user key；
If first user key and the second user cipher key match, are proved to be successful.
Alternatively, Card Reader authentication module 43 is additionally operable to before the process of door lock of access control system is opened：
Examine the type of card of access card.When the type of card is legal, the door lock of access control system is opened.
The reader device for the access control system that the present embodiment is provided, with reference to Card Reader when, are close according to user information and second seed
Key generates second user key, and door lock is opened after verifying the second user key success by the user sector of access card.Base
In this, ensure the independence and security of every access card, eliminate the security breaches of access control system.
The embodiment of the present invention also provides a kind of card writer, including memory, processor and storage are on a memory and can
The computer program run on a processor, processor perform realize above-mentioned access control system during computer program program write card side
In method the step of any one embodiment.
The card writer that the present embodiment is provided, when writing card by being carried out to pre-set user information and the first seed key
Encryption obtains the first user key, by the user sector of first user key write-in access card, makes every access card
User's sector key be unique, with reference to the default key for deleting non-user sector, prevent that user's sector key from being attacked,
Make user's sector key of access card can not be stolen.Based on this, ensure the independence and security of every access card, eliminate door
The security breaches of access control system.
The embodiment of the present invention also provides a kind of computer-readable recording medium, is stored thereon with computer program, computer
The step of any one embodiment in the card writing method of above-mentioned access control system is realized when program is executed by processor.In addition, usually
The program being stored in a storage medium by program by directly reading out storage medium or by the way that program is installed or again
Make in the storage device (such as hard disk and/or memory) of data processing equipment and perform.Therefore, such storage medium also constitutes
The present invention.Storage medium can use any kind of recording mode, such as paper storage medium (such as paper tape), magnetic storage to be situated between
Matter (such as floppy disk, hard disk, flash memory), optical storage media (such as CD-ROM), magnetic-optical storage medium (such as MO) etc..
The computer-readable recording medium that the present embodiment is provided, when writing card by pre-set user information and the first
Sub-key is encrypted to obtain the first user key, and the user sector of first user key write-in access card makes
User's sector key of every access card is unique, with reference to the default key for deleting non-user sector, prevents user sector
Key is attacked, and makes user's sector key of access card can not be stolen.Based on this, ensure every access card independence and peace
Quan Xing, eliminates the security breaches of access control system.
The embodiment of the present invention also provides a kind of card-reading apparatus, including memory, processor and storage are on a memory and can
The computer program run on a processor, processor realize the Card Reader side of above-mentioned access control system when performing computer program program
In method the step of any one embodiment.
The card-reading apparatus that the present embodiment is provided, according to user information and second seed key generation second during with reference to Card Reader
User key, door lock is opened after verifying the second user key success by the user sector of access card.Based on this, ensure every
The independence and security of access card are opened, eliminates the security breaches of access control system.
The embodiment of the present invention also provides a kind of computer-readable recording medium, is stored thereon with computer program, computer
The step of any one embodiment in the card reading method of above-mentioned access control system is realized when program is executed by processor.In addition, usually
The program being stored in a storage medium by program by directly reading out storage medium or by the way that program is installed or again
Make in the storage device (such as hard disk and/or memory) of data processing equipment and perform.Therefore, such storage medium also constitutes
The present invention.Storage medium can use any kind of recording mode, such as paper storage medium (such as paper tape), magnetic storage to be situated between
Matter (such as floppy disk, hard disk, flash memory), optical storage media (such as CD-ROM), magnetic-optical storage medium (such as MO) etc..
The computer-readable recording medium that the present embodiment is provided, with reference to Card Reader when, are close according to user information and second seed
Key generates second user key, and door lock is opened after verifying the second user key success by the user sector of access card.Base
In this, ensure the independence and security of every access card, eliminate the security breaches of access control system.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (14)
1. a kind of card writing method of access control system, it is characterised in that including step：
It is encrypted with reference to pre-set user information and the first seed key, generates the first user key；
By the user sector of first user key write-in access card；
Delete the default key of non-user sector in access card.
2. the card writing method of access control system according to claim 1, it is characterised in that described by first user key
Write the process of the user sector of access card, including step：
Examine access card whether legal；
If access card is legal, by the user sector of first user key write-in access card.
3. the card writing method of access control system according to claim 2, it is characterised in that whether the inspection access card is legal
Process, including step：
By the test sector of default test information write-in access card；
If write-in failure, judges that gate inhibition engages method.
4. the card writing method of the access control system according to claims 1 to 3 any one, it is characterised in that the default use
Family information includes one or any multinomial combination in cell number, building elementary layer room coding and room coding.
5. a kind of card reading method of access control system, it is characterised in that including step：
Read the pre-set user information in access card；
According to user information and second seed key generation second user key；Wherein, second seed key and the first seed are close
Key is identical；
The second user key is verified by the user sector of access card, if being proved to be successful, opens the door lock of access control system.
6. the card reading method of access control system according to claim 5, it is characterised in that described to read presetting in access card
The process of user information, including step：
Examine in access card and whether there is log-on message；
If the pre-set user information in access card is read there are log-on message in access card.
7. the card reading method of access control system according to claim 5, it is characterised in that the user by access card fans
Verify the process of the second user key, including step in area：
Examine whether the second user key matches with the first user key in the user sector of access card；
If first user key and the second user cipher key match, are proved to be successful.
8. the card reading method of access control system according to claim 5, it is characterised in that the door lock for opening access control system
Process before, further include step：
Examine the type of card of access card；
If the type of card is legal, the door lock of access control system is opened.
A kind of 9. write cards device of access control system, it is characterised in that including：
Card encryption module is write, is encrypted for combining pre-set user information and the first seed key, generates the first user
Key；
Card module is write, for first user key to be write to the user sector of access card；
Card modified module is write, for deleting the default key of non-user sector in access card.
A kind of 10. reader device of access control system, it is characterised in that including：
Card reading module, for reading the pre-set user information in access card；
Card Reader encrypting module, for generating second user key according to user information and second seed key；
Card Reader authentication module, for verifying the second user key by the user sector of access card, if being proved to be successful, is opened
The door lock of access control system.
11. a kind of card writer, including memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, it is characterised in that the processor realizes any one the method in claim 1-4 when performing described program
Step.
12. a kind of card-reading apparatus, including memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, it is characterised in that the processor realizes any one the method in claim 6-8 when performing described program
Step.
13. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The step of claim 1-4 any one the methods are realized during execution.
14. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The step of claim 6-8 any one the methods are realized during execution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711124908.3A CN107945324A (en) | 2017-11-14 | 2017-11-14 | Card writing method, card reading method and the device of access control system |
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| CN201711124908.3A CN107945324A (en) | 2017-11-14 | 2017-11-14 | Card writing method, card reading method and the device of access control system |
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| CN111798597A (en) * | 2020-07-30 | 2020-10-20 | 青岛海信智慧家居系统股份有限公司 | Method and device for carrying out service management on door lock card and electronic equipment |
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| CN115497206A (en) * | 2022-08-05 | 2022-12-20 | 东信和平科技股份有限公司 | Method and system for copying encrypted access control card and storage medium |
| CN115497206B (en) * | 2022-08-05 | 2024-04-12 | 东信和平科技股份有限公司 | Method and system for copying encrypted access control card and storage medium |
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| CN115471952A (en) * | 2022-09-29 | 2022-12-13 | 石家庄科林电气股份有限公司 | Charging pile card swiping authentication method, charging pile and charging management system |
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| CN115296378A (en) * | 2022-10-09 | 2022-11-04 | 广东天枢新能源科技有限公司 | Charging control method, system and device based on smart card and storage medium |
| CN115296378B (en) * | 2022-10-09 | 2023-01-06 | 广东天枢新能源科技有限公司 | Charging control method, system and device based on smart card and storage medium |
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