CN114245295A - Multi-access-control automatic switching method and device - Google Patents
Multi-access-control automatic switching method and device Download PDFInfo
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- CN114245295A CN114245295A CN202111487261.7A CN202111487261A CN114245295A CN 114245295 A CN114245295 A CN 114245295A CN 202111487261 A CN202111487261 A CN 202111487261A CN 114245295 A CN114245295 A CN 114245295A
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- mifare
- card
- access control
- entrance guard
- position information
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention relates to a method and a device for automatically switching multiple access controls, wherein the method comprises the following steps: backing up multiple sets of Mifare entrance guard card data in the SIM card, and inputting and binding corresponding entrance guard information and position information aiming at each Mifare entrance guard card; the SIM card acquires current position information from the terminal, and when the acquired current position information is matched with position information bound by a certain Mifare access control card stored in the SIM card, the SIM card automatically switches the simulated Mifare access control card in the SIM card to a corresponding Mifare access control card for use. The invention enables one SIM card to backup a plurality of sets of Mifare entrance guard card data and can switch the data in time, thereby bringing great convenience to the life of users.
Description
Technical Field
The invention belongs to the technical field of information security, and particularly relates to a multi-access-control automatic switching method and device.
Background
The user often has more than one entrance guard card in the actual life, needs to use different entrance guard cards in different places, and the most convenient entrance guard mode simultaneously all directly carries out entrance guard unblock with the terminal.
However, one SIM card in the prior art can only support one Mifare card simulation, so theoretically, an access control card needs to be switched, either multiple SIM cards or multiple mobile phone devices are prepared, and the switching process needs repeated confirmation by a user to successfully unlock the access control, which brings great inconvenience to the life of the user.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method and a device for automatically switching multiple access controls, which enable one SIM card to backup multiple sets of Mifare access control card data and switch the Mifare access control card data in due time, thereby bringing great convenience to the life of users.
The technical scheme of the invention is realized as follows: the invention discloses a multi-access-control automatic switching method, which comprises the following steps: backing up multiple sets of Mifare entrance guard card data in the SIM card, and inputting and binding corresponding entrance guard information and position information aiming at each Mifare entrance guard card;
and acquiring current position information, and automatically switching to a corresponding Mifare access control card for use when the acquired current position information is matched with the position information bound by a certain Mifare access control card stored in the SIM card.
Further, to every Mifare entrance guard's card, carry out the entrance guard information entry that corresponds, specifically include:
the SIM card receives a simulated Mifare access control card instruction sent by a user and creates a corresponding blank Mifare mirror image backup area for the Mifare access control card;
the SIM card receives an entrance guard card activating command sent by a user, and copies a blank Mifare mirror image corresponding to the Mifare entrance guard card to a Mifare area of the SIM card, so that the terminal externally simulates the blank Mifare entrance guard card;
according to the access control information of the Mifare access control card, registering and inputting an empty Mifare access control card, and updating data in a Mifare area of the SIM card;
and the SIM card receives an entrance guard card registration finishing command sent by a user, copies the updated data in the Mifare area of the SIM card to a blank Mifare mirror image backup area corresponding to the Mifare entrance guard card, and finishes entrance guard information input of the Mifare entrance guard card.
Further, the method includes the following steps that the simulated Mifare entrance guard card instruction includes parameters required for simulating the Mifare entrance guard card, and after the SIM card receives the simulated Mifare entrance guard card instruction sent by the user: and analyzing and storing parameters required for simulating the Mifare access control card contained in the simulated Mifare access control card instruction, and binding the parameters with a blank Mifare mirror image backup area corresponding to the Mifare access control card.
Further, when the terminal externally simulates a blank Mifare access card, the method further comprises the following steps: and updating parameters required for simulating the Mifare access card into the CLF of the terminal.
Further, switch to corresponding Mifare entrance guard's card and use, specifically include: the SIM card copies the data of the Mifare mirror image backup area corresponding to the Mifare access control card to the Mifare area of the SIM card, so that the terminal externally simulates the Mifare access control card.
Further, when the terminal externally simulates the Mifare access control card, the method further comprises the following steps: and updating the parameters bound with the Mifare mirror image backup area corresponding to the Mifare access control card to the CLF of the terminal.
Further, to each Mifare entrance guard's card, carry out corresponding positional information and type, specifically include: and the SIM card receives a position information input command sent by a user, records a position information range corresponding to the Mifare access control card, and binds the position information range with the access control information corresponding to the Mifare access control card.
Furthermore, for each Mifare entrance guard card, after entrance guard information is recorded, position information is recorded and bound with the currently recorded entrance guard information.
Further, acquiring the current location information specifically includes: the SIM card monitors a position state event of the terminal, when the position state or the position information is changed or updated, the terminal informs the SIM card of the situation through the position state event, and the SIM card analyzes the content of the current position information from the content of the event to obtain the current position information.
Further, the terminal is a mobile phone terminal.
The invention also discloses a multi-access-control automatic switching device, which comprises a memory, a control unit and a switching unit, wherein the memory is used for storing programs;
and a processor for implementing the steps of the multi-access automatic switching method as described above when executing the program;
and the SIM card is used for realizing the steps of the multi-access automatic switching method when the program is executed.
The invention has at least the following beneficial effects: according to the invention, multiple sets of Mifare access control card data are backed up in an SIM card, and corresponding access control information and position information are input and bound for each Mifare access control card; and acquiring current position information, and automatically switching to a corresponding Mifare access control card for use when the acquired current position information is matched with the position information bound by a certain Mifare access control card stored in the SIM card. By adopting the scheme, the invention realizes that one mobile phone device and one SIM card simulate a plurality of Mifare access control cards, and automatically switches the corresponding Mifare access control card to use according to the current position information, so that repeated operation of a user is not needed, and the life of the user is greatly facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a multi-access-control automatic switching method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, an embodiment of the present invention provides a method for automatically switching multiple access gates, including the following steps:
backing up multiple sets of Mifare entrance guard card data in the SIM card, and for each Mifare entrance guard card, recording corresponding entrance guard information and position information in the SIM card and binding the entrance guard information and the position information;
and acquiring current position information, and when the acquired current position information is matched with position information bound by a certain Mifare access control card stored in the SIM card, automatically switching the simulated Mifare access control card in the SIM card to a corresponding Mifare access control card by the SIM card for use.
Further, for each Mifare access control card, corresponding access control information is recorded in the SIM card, which specifically includes:
the SIM card receives a simulated Mifare access control card instruction sent by a user, creates a corresponding blank Mifare mirror image backup area for the Mifare access control card, analyzes and stores the TYPEA parameters (UID \ ATQA \ SAK and the like) required by the simulated Mifare access control card contained in the simulated Mifare access control card instruction, and binds the TYPEA parameters with the blank Mifare mirror image backup area corresponding to the Mifare access control card;
the SIM card receives an entrance guard card activating command sent by a user, a blank Mifare mirror image corresponding to the Mifare entrance guard card is copied to a Mifare area of the SIM card, and meanwhile, a TYPEA parameter is updated to a terminal CLF, and the terminal is externally simulated as a blank Mifare entrance guard card at the moment; each SIM card has a Mifare area, which can be understood as an externally simulated presentation area.
According to the access control information of the Mifare access control card, the blank Mifare access control card is registered and input, namely information is filled, the blank Mifare access control card is filled into the information of the access control card, and a value block in a Mifare area of the SIM card is updated;
and the SIM card receives an entrance guard card registration finishing command sent by a user, copies the updated Mifare area content of the SIM card to a blank Mifare mirror image backup area corresponding to the Mifare entrance guard card, and finishes entrance guard information input of the Mifare entrance guard card.
Aiming at the situation of multiple access controls, the invention creates a Mifare mirror image backup area for each access control card.
Further, this embodiment is directed at every Mifare entrance guard card, and after entrance guard information input finishes, input positional information to bind with the entrance guard information of typing at present. Of course, the sequence of entrance guard information entry and position information entry can also be adjusted according to actual needs.
Further, to each Mifare entrance guard's card, carry out corresponding positional information and type, specifically include: and the SIM card receives a position information input command sent by a user, records a position information range corresponding to the Mifare access control card, and binds the position information range with the access control information corresponding to the Mifare access control card.
Further, the SIM card automatically switches to a corresponding Mifare access control card for use, specifically including: the SIM card copies the data of the Mifare mirror image backup area corresponding to the Mifare access control card to the Mifare area of the SIM card, and meanwhile, the parameters bound with the Mifare mirror image backup area corresponding to the Mifare access control card are updated to a terminal CLF (log), so that the terminal externally simulates the Mifare access control card at the moment, namely, the terminal is switched to the Mifare access control card for use.
Further, the SIM card obtains the current location information from the terminal, which specifically includes: the SIM card monitors a position state event of the terminal, when the position state or the position information is changed or updated, the terminal informs the SIM card of the situation through the position state event, and the SIM card analyzes the content of the current position information from the content of the event to obtain the current position information.
Preferably, the terminal is a mobile phone terminal. Of course, the terminal is not limited to the mobile phone terminal, and may be other terminal devices.
Furthermore, an access switching application is installed in the terminal, and various instructions, position information, access information and the like of the user are received through the access switching application and are sent to the SIM card.
Example two
The embodiment of the invention also discloses a multi-access-control automatic switching device, which comprises a memory, a control unit and a switching unit, wherein the memory is used for storing programs; and a processor, configured to implement the steps of the multi-access automatic switching method according to embodiment one when executing the program;
and the SIM card is used for realizing the steps of the multi-access automatic switching method in the embodiment one when the program is executed.
The invention designs a scheme for enabling the SIM card to backup a plurality of sets of Mifare entrance guard card data and switch the Mifare entrance guard card data in time, thereby greatly facilitating the life of users.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. Of course, the processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A multi-access-control automatic switching method is characterized by comprising the following steps:
backing up multiple sets of Mifare entrance guard card data in the SIM card, and inputting and binding corresponding entrance guard information and position information aiming at each Mifare entrance guard card;
and acquiring current position information, and automatically switching to a corresponding Mifare access control card for use when the acquired current position information is matched with the position information bound by a certain Mifare access control card stored in the SIM card.
2. The multi-gate automatic switching method of claim 1, wherein: to every Mifare entrance guard's card, carry out the entrance guard information input that corresponds, specifically include:
the SIM card receives a simulated Mifare access control card instruction sent by a user and creates a corresponding blank Mifare mirror image backup area for the Mifare access control card;
the SIM card receives an entrance guard card activating command sent by a user, and copies a blank Mifare mirror image corresponding to the Mifare entrance guard card to a Mifare area of the SIM card, so that the terminal externally simulates the blank Mifare entrance guard card;
according to the access control information of the Mifare access control card, registering and inputting an empty Mifare access control card, and updating data in a Mifare area of the SIM card;
and the SIM card receives an entrance guard card registration finishing command sent by a user, copies the updated data in the Mifare area of the SIM card to a blank Mifare mirror image backup area corresponding to the Mifare entrance guard card, and finishes entrance guard information input of the Mifare entrance guard card.
3. The multi-gate automatic switching method of claim 2, wherein: the Mifare entrance guard card simulating instruction comprises parameters required by simulating the Mifare entrance guard card, and after the SIM card receives the Mifare entrance guard card simulating instruction sent by the user, the method further comprises the following steps: analyzing and storing parameters required for simulating the Mifare access control card contained in the simulated Mifare access control card instruction, and binding the parameters with a blank Mifare mirror image backup area corresponding to the Mifare access control card;
when the terminal externally simulates a blank Mifare access control card, the method further comprises the following steps: and updating parameters required for simulating the Mifare access card into the CLF of the terminal.
4. The multi-gate automatic switching method of claim 1, wherein: switch to corresponding Mifare entrance guard's card and use, specifically include: the SIM card copies the data of the Mifare mirror image backup area corresponding to the Mifare access control card to the Mifare area of the SIM card, so that the terminal externally simulates the Mifare access control card.
5. The multi-gate automatic switching method of claim 4, wherein: the Mifare entrance guard card simulating instruction comprises parameters required by simulating the Mifare entrance guard card, and after the SIM card receives the Mifare entrance guard card simulating instruction sent by the user, the method further comprises the following steps: analyzing and storing parameters required for simulating the Mifare access control card contained in the simulated Mifare access control card instruction, and binding the parameters with a blank Mifare mirror image backup area corresponding to the Mifare access control card;
when the terminal externally simulates the Mifare access control card, the method further comprises the following steps: and updating the parameters bound with the Mifare mirror image backup area corresponding to the Mifare access control card to the CLF of the terminal.
6. The multi-gate automatic switching method of claim 1, wherein: to every Mifare entrance guard's card, carry out the position information input that corresponds, specifically include: and the SIM card receives a position information input command sent by a user, records a position information range corresponding to the Mifare access control card, and binds the position information range with the access control information corresponding to the Mifare access control card.
7. The multi-gate automatic switching method of claim 1, wherein: and for each Mifare entrance guard card, after entrance guard information is recorded, recording position information, and binding the position information with the currently recorded entrance guard information.
8. The multi-gate automatic switching method of claim 1, wherein: acquiring current position information, specifically comprising: the SIM card monitors a position state event of the terminal, when the position state or the position information is changed or updated, the terminal informs the SIM card of the situation through the position state event, and the SIM card analyzes the content of the current position information from the content of the event to obtain the current position information.
9. A multiple access automatic switching method according to claim 2 or 3 or 4 or 5 or 8, characterized in that: the terminal is a mobile phone terminal.
10. The automatic switching device of a kind of multiple access control, characterized by, including the memorizer, is used for storing the procedure;
and a processor for implementing the steps of the multi-access automatic switching method according to any one of claims 1 to 8 when executing the program;
and a SIM card for implementing the steps of the multiple access automatic switching method according to any one of claims 1 to 8 when executing the program.
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| CN202111487261.7A CN114245295B (en) | 2021-12-08 | 2021-12-08 | Multi-access automatic switching method and device |
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| CN202111487261.7A CN114245295B (en) | 2021-12-08 | 2021-12-08 | Multi-access automatic switching method and device |
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| CN114245295A true CN114245295A (en) | 2022-03-25 |
| CN114245295B CN114245295B (en) | 2024-07-19 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160234185A1 (en) * | 2015-02-05 | 2016-08-11 | Buffalo Inc. | Storage device, information processing system, authentication method, and non-transitory computer readable medium |
| WO2017185457A1 (en) * | 2016-04-29 | 2017-11-02 | 宇龙计算机通信科技(深圳)有限公司 | Control method and apparatus for access control lock, and terminal |
| CN107657689A (en) * | 2017-09-08 | 2018-02-02 | 深圳传音通讯有限公司 | A kind of gate inhibition's method for unlocking, mobile terminal and computer-readable medium |
| CN109844789A (en) * | 2017-09-28 | 2019-06-04 | 华为技术有限公司 | A kind of terminal transaction method and terminal |
| CN111124503A (en) * | 2018-11-01 | 2020-05-08 | 华为终端有限公司 | Automatic activation method of NFC application and terminal |
| CN111179479A (en) * | 2019-12-31 | 2020-05-19 | 北京三快在线科技有限公司 | NFC simulation entrance guard card control method and device and electronic equipment |
| CN111881162A (en) * | 2020-06-16 | 2020-11-03 | 深圳酷派技术有限公司 | NFC access control card control method and device, storage medium and terminal |
| CN113178028A (en) * | 2021-04-13 | 2021-07-27 | 歌尔股份有限公司 | Control method, wearable device, mobile terminal and readable storage medium |
-
2021
- 2021-12-08 CN CN202111487261.7A patent/CN114245295B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160234185A1 (en) * | 2015-02-05 | 2016-08-11 | Buffalo Inc. | Storage device, information processing system, authentication method, and non-transitory computer readable medium |
| WO2017185457A1 (en) * | 2016-04-29 | 2017-11-02 | 宇龙计算机通信科技(深圳)有限公司 | Control method and apparatus for access control lock, and terminal |
| CN107657689A (en) * | 2017-09-08 | 2018-02-02 | 深圳传音通讯有限公司 | A kind of gate inhibition's method for unlocking, mobile terminal and computer-readable medium |
| CN109844789A (en) * | 2017-09-28 | 2019-06-04 | 华为技术有限公司 | A kind of terminal transaction method and terminal |
| CN111124503A (en) * | 2018-11-01 | 2020-05-08 | 华为终端有限公司 | Automatic activation method of NFC application and terminal |
| CN111179479A (en) * | 2019-12-31 | 2020-05-19 | 北京三快在线科技有限公司 | NFC simulation entrance guard card control method and device and electronic equipment |
| CN111881162A (en) * | 2020-06-16 | 2020-11-03 | 深圳酷派技术有限公司 | NFC access control card control method and device, storage medium and terminal |
| CN113178028A (en) * | 2021-04-13 | 2021-07-27 | 歌尔股份有限公司 | Control method, wearable device, mobile terminal and readable storage medium |
Non-Patent Citations (1)
| Title |
|---|
| 陈颜龙;: "自制手机门禁卡", 科学24小时, no. 04, 1 April 2017 (2017-04-01) * |
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