CN111132105A - Passive electronic authentication equipment and interaction method - Google Patents
Passive electronic authentication equipment and interaction method Download PDFInfo
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- CN111132105A CN111132105A CN201911335151.1A CN201911335151A CN111132105A CN 111132105 A CN111132105 A CN 111132105A CN 201911335151 A CN201911335151 A CN 201911335151A CN 111132105 A CN111132105 A CN 111132105A
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- passive electronic
- nfc
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/40—Security arrangements using identity modules
- H04W12/47—Security arrangements using identity modules using near field communication [NFC] or radio frequency identification [RFID] modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
Abstract
The invention discloses a passive electronic authentication device and an interaction method. The device mainly comprises a control chip, an NFC chip, a display screen and keys; the method includes that a user controls authentication equipment to communicate with a terminal with NFC twice through NFC, the communication terminal sends information to be authenticated to the authentication equipment for the first time, the authentication equipment utilizes the NFC to supply power to display the information to be authenticated, the user checks the information to be authenticated and operates the authentication equipment and the terminal to conduct second communication by swiping a card when the information to be authenticated is kept pressed down, the authentication equipment judges whether the authentication information is confirmed or canceled according to the state of a key at the time, and if the authentication information is confirmed, the authentication information is digitally signed and transmitted to the terminal. The power supply can be used for supplying power to the display screen and the keys in the NFC working mode, and meanwhile, the user experience and the safety are improved.
Description
Technical Field
The invention relates to the technical field of safety, in particular to passive electronic authentication equipment and an interaction method.
Background
The electronic authentication equipment convenient for the mobile terminal to use is significant to financial transaction, OA office, military and government affairs systems, and the safety of the electronic authentication equipment is particularly important.
In the prior art, products such as a bluetooth interface authentication device (bluetooth shield) are generally adopted, but the volume of the products is usually large and inconvenient to carry, and the products need rechargeable batteries, so that the use cost of a user is high, the convenience and the usability are low, and the user experience is poor.
The NFC function is a short-distance wireless communication technology advocated by most terminal manufacturers at present, and has the characteristics of low cost, convenience, easy use, and the like. However, when such devices are used, users cannot confirm authentication information (such as transfer transaction information), and the security is reduced.
Disclosure of Invention
The present invention provides a passive electronic authentication device and an interaction method, which can confirm authentication information without a power supply, and solve the above problems in the prior art.
A passive electronic authentication device for authenticating authentication information in cooperation with an NFC-enabled terminal, comprising: the NFC touch screen comprises a control chip 1, an NFC chip 2, a display screen 3, a key 4 and an NFC antenna 5; the control chip 1 is respectively connected with the display screen 3, the keys 4 and the NFC chip 2 and is used for providing a password service function, judging the states of the keys 4 and controlling the display screen 3 to display information; the NFC chip 2 is connected with the NFC antenna 5 and is used for being in communication connection with a terminal; the display screen 3 is an electronic paper display screen and is used for displaying information; the key 4 has two states of pressing or not pressing and is used for confirming information by a user in the safety authentication equipment;
according to one embodiment of the present invention, the key 4 is a touch key, the touch key capacitor is integrated with the interface surface of the control chip 1, and the control chip 1 has the interface functions of the key 4 and the control chip 1.
According to one embodiment of the present invention, the cryptographic service function provided by the control chip 1 is implemented by the NFC chip 2.
According to one embodiment of the present invention, the cryptographic service function supports a signature algorithm, a symmetric algorithm, and an asymmetric algorithm.
An interaction method using the device is used for interaction operation of the passive electronic authentication device and a terminal with an NFC function, and comprises the following steps:
first step S101: the passive electronic authentication equipment establishes communication connection 1 with the terminal through NFC;
second step S102: the passive electronic authentication equipment receives the terminal information and displays the terminal information on the display screen 3;
the third step S103: the passive electronic authentication equipment is disconnected from the communication connection 1 with the terminal;
fourth step S104: judging whether the display information on the display screen 3 is correct or not;
if the information is correct, establishing a communication connection 2 with the terminal after pressing and holding the key 4, and executing a fifth step S105;
otherwise, the key 4 is not operated, the communication connection 2 is established with the terminal, and the authentication operation is finished;
fifth step S105: and executing the password service function and returning an execution result to the terminal.
According to an embodiment of the present invention, before performing the first step S101, the terminal starts the to-be-authenticated client and prompts the user to input authentication information;
and after the terminal receives the input information, prompting the passive electronic authentication equipment to approach the terminal.
According to an embodiment of the present invention, after executing the second step S102, the terminal to-be-authenticated client prompts the user to move the passive electronic authentication device away from the terminal.
According to an embodiment of the present invention, before performing the fourth step S104, the terminal to-be-authenticated client prompts the user for confirmation.
According to one embodiment of the present invention, in the fourth step S104, after the passive electronic authentication device establishes the communication connection 2 with the terminal, the information of the display 3 is cleared.
According to an embodiment of the present invention, after the fifth step S105 is executed, the terminal client receives the execution result, and completes authentication.
According to one embodiment of the invention, when the information of the display screen 3 is cleared, the frequently displayed information is input to the display screen 3; the frequently displayed information comprises pictures, characters and symbols and is used for displaying information when the display screen 3 is in a power-off state.
When the passive electronic authentication equipment approaches the terminal to establish communication connection 1, the passive electronic authentication equipment receives a private instruction and enters a working mode of the passive electronic authentication equipment; when the passive electronic authentication equipment does not receive the private instruction, the passive electronic authentication equipment enters a common NFC working mode and is used as an access card.
Through the technical scheme, the NFC technology is utilized, the display and confirmation functions of the authentication information can be provided through twice card swiping under the condition that a battery is not needed to be provided, a user can confirm or interrupt the authentication operation, the problems that the use cost and the convenience of the user are increased due to the fact that a rechargeable battery is required to be used and the like are solved, or the problem that the user cannot confirm the authentication information and is unsafe due to the fact that a display screen and a confirmation key are not available when the rechargeable battery is not used is solved. Meanwhile, the user cost is reduced, the convenience is improved, and the high safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of a passive electronic authentication device in this embodiment;
fig. 2 is a schematic diagram of an interaction method of a passive electronic authentication device;
fig. 3 is a flowchart of interaction of the passive electronic authentication device in cooperation with the terminal in the internet banking operation.
Detailed Description
In the following detailed description of the preferred embodiments of the invention, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration, specific features of the invention, such that the advantages and features of the invention may be more readily understood and appreciated. The following description is an embodiment of the claimed invention, and other embodiments related to the claims not specifically described also fall within the scope of the claims.
Fig. 1 shows a schematic structural diagram of a passive electronic authentication device in an embodiment.
As shown in fig. 1, a passive electronic authentication device for authenticating authentication information in cooperation with an NFC-enabled terminal (e.g., a mobile phone) includes: the NFC touch screen comprises a control chip 1, an NFC chip 2, a display screen 3, a key 4 and an NFC antenna 5; the control chip 1 is respectively connected with the display screen 3, the keys 4 and the NFC chip 2 and is used for providing a password service function, judging the states of the keys 4 and controlling the display screen 3 to display information; the NFC chip 2 is connected with the NFC antenna 5 and is used for being in communication connection with a terminal; the display screen 3 is an electronic paper display screen and is used for displaying information; the key 4 has two states of pressing or not pressing and is used for confirming information by a user in the safety certification equipment;
NFC is a short-range wireless communication technology, belongs to the prior art, and is not described herein again. According to the invention, the passive electronic authentication equipment is in close contact (within 10 cm) with a terminal (such as a mobile phone) with an NFC function, an electromagnetic field emitted by the terminal (such as the mobile phone) is subjected to magnetic field coupling through an NFC antenna 5 in the passive electronic authentication equipment to generate a current signal, and the control chip 1, the NFC chip 2, the display screen 3 and the key 4 of the passive electronic authentication equipment are powered. Because the display screen 3 is an electronic paper display screen, the display medium of the display screen has the memory characteristic, the power is not consumed when the picture is displayed at ordinary times, and the power is consumed only when the picture is updated. Therefore, it can display and maintain the displayed information without power supply. That is, the user can separate the passive electronic authentication device from the terminal (e.g., a mobile phone) and can also read information on the display screen 3. Meanwhile, the terminal (such as a mobile phone) emits an electromagnetic field, and the instant current is generated when the electromagnetic field is coupled through the NFC antenna 5 in the passive electronic authentication device, so that a battery-free key can be realized, and the control chip 1 in the passive electronic authentication device can read the key value at regular time to judge the state of the key.
Therefore, the invention utilizes the characteristic of low cost of NFC, does not need to use a battery, and can also realize that a user confirms the key information after pressing keys on the display screen. Not only reduces the cost, has small volume and is convenient to carry, but also ensures the safety.
As another embodiment, the cryptographic service function provided by the control chip 1 is implemented by the NFC chip 2.
As another embodiment, the key 4 is a touch-type key capacitor integrated with the interface surface of the control chip 1, and the control chip 1 has the interface functions of both the key 4 and the control chip 1.
In this embodiment, the authentication device is a card surface similar to a bank card, and has a bare IC chip of a common bank card, and the IC chip is used as an NFC key, and when a finger touches the IC chip, an NFC card swiping operation is performed, that is, it is considered that the card swiping confirms authentication information in a key pressing state.
Therefore, the touch capacitor is integrated on the surface of the IC chip interface, so that the IC chip interface has the functions of touching the key and the IC interface, the circuit is simpler, the size of the key is reduced, and the IC chip interface is more convenient for a user to carry.
Fig. 2 shows a schematic diagram of a method for interaction of a passive electronic authentication device and a terminal in internet banking operation.
As shown in fig. 2, an interactive method using the above-mentioned device is used for a passive electronic authentication device to interoperate with a terminal (e.g. a mobile phone) having an NFC function, before performing a first step S101, the terminal (e.g. the mobile phone) starts a client to be authenticated, and provides user input authentication information. After the terminal (such as a mobile phone) receives the input information, the passive electronic authentication device is prompted to approach the terminal (such as the mobile phone).
The method comprises the following steps:
first step S101: the passive electronic authentication device establishes a communication connection 1 with a terminal, e.g. a mobile phone, via NFC.
When the passive electronic authentication device is close to a mobile phone with an NFC function (within 10cm and within 5cm of optimal distance), an electromagnetic field emitted by a terminal (such as the mobile phone) is subjected to magnetic field coupling through an NFC antenna 5 in the passive electronic authentication device to generate a current signal, and the control chip 1, the NFC chip 2, the display screen 3 and the keys 4 of the passive electronic authentication device are powered. Meanwhile, the passive electronic authentication device establishes communication through the NFC chip 2 thereof and the electromagnetic field emitted by the terminal (e.g. a mobile phone) through the NFC antenna 5 in the passive electronic authentication device.
Second step S102: the passive electronic authentication device receives terminal (e.g. mobile phone) information and displays it on the display 3.
The transfer information to be authenticated is transmitted to the passive electronic authentication device, and the passive electronic authentication device receives the transfer information through the NFC chip 2 and displays the transfer information on the display screen 3 through the control chip 1.
In this embodiment, after the second step S102 is executed, the terminal (e.g. mobile phone) to-be-authenticated client prompts the user to move the passive electronic authentication device away from the terminal (e.g. mobile phone).
The third step S103: the passive electronic authentication device is disconnected from the communication connection 1 with the terminal, e.g. a mobile phone.
The passive electronic authentication device is more than 10cm away from the terminal (e.g. handset) and both are disconnected from the communication connection 1.
Fourth step S104: the user judges whether the display information on the display screen 3 is correct.
If the information is correct, the passive electronic authentication device is close to the terminal (such as a mobile phone) within 5cm again when the key 4 is pressed and the pressed state is kept, the passive electronic authentication device and the terminal (such as the mobile phone) are in communication connection 2, and the battery-free key is realized by the generated instantaneous current. Namely, the control chip 1 in the passive electronic authentication device provides a function of judging the state of the key 4, and reads the key value at regular time to judge the state of the key. When the state of the key 4 is a pressed state, step 5 is executed.
Otherwise, if the information is wrong, the key 4 is not operated, the passive electronic authentication device is close to the terminal (such as a mobile phone) again within a distance of 5cm, the passive electronic authentication device and the terminal (such as the mobile phone) establish communication connection 2, the control chip 1 in the passive electronic authentication device judges that the state of the key 4 is not pressed down, and the authentication operation is stopped.
Fifth step S105: and executing the password service function and returning an execution result to the terminal.
If the information on the display screen 3 is correct, the passive electronic authentication device approaches the terminal (e.g., a mobile phone) again by an optimal distance of 5cm, and the control chip 1 of the passive electronic authentication device provides a password service function and then transmits the result to the terminal (e.g., the mobile phone) through the NFC chip 2. The terminal (client) receives the execution result and completes authentication.
After the fifth step S105 is executed, in another embodiment, when the information of the display screen 3 is cleared, the frequently displayed information is input to the display screen 3; the frequently displayed information comprises pictures, characters and symbols and is used for displaying information when the display screen 3 is in a power-off state.
The passive electronic authentication device displays photos and texts in a non-working state, and is used for displaying a holder's official card.
In another embodiment, when the passive electronic authentication device approaches the terminal (e.g. a mobile phone) to establish the communication connection 1, the passive electronic authentication device first receives a private instruction sent by the terminal client (e.g. a mobile phone internet banking client), and then the passive electronic authentication device enters a passive electronic authentication device working mode; when the passive electronic authentication equipment does not receive the private instruction, the passive electronic authentication equipment enters a common NFC working mode and is used as an access card.
The following description is a flow of the method for interacting with the passive electronic authentication device when the mobile phone is used as a terminal with an NFC function to perform internet bank transfer.
Step S101 ', the mobile phone banking internet banking client is started, account transfer information is input by a user and the user is prompted to ' approach the NFC authentication equipment to the mobile phone ' after the account transfer information is confirmed by the internet banking client.
The user brings the NFC card of the passive electronic authentication device close to the mobile phone with the NFC function (for example, within 5 cm), and the two are coupled by the NFC antenna 5 in a magnetic field to generate a current signal to supply power to the passive electronic authentication device. The mobile phone establishes communication with the passive electronic authentication device through the NFC chip 2.
Step S102', the transfer information to be authenticated is transmitted to the passive electronic authentication device, and the passive electronic authentication device receives the transfer information and displays the information on the display screen 3 through the control chip 1. At this time, the internet bank client prompts the user to separate the NFC authentication device from the mobile phone.
Step S103', the mobile banking client detects that the NFC card and the mobile phone are separated from the NFC communication area, and prompts a user to confirm the transfer information on the display screen 3 of the passive electronic authentication device.
Step S104', the user determines whether the display information on the display screen 3 of the passive electronic authentication device is correct.
If the information is correct, the user presses the key 4 of the passive electronic authentication device and keeps the pressed state, the passive electronic authentication device is close to the mobile phone again, and current is generated instantly at the moment, so that the key without the battery is realized. The control chip 1 in the passive electronic authentication device provides a function of judging the state of the key 4, and reads the key value at regular time to judge the state of the key. When the state of the key 4 is a pressed state, step 5 is executed.
Otherwise, if the information is wrong, the key 4 is not operated, the passive electronic authentication device is close to the mobile phone again, the control chip 1 in the passive electronic authentication device judges that the key 4 is in the non-pressed state, and the content of the display screen 3 is cleared through the current generated instantaneously.
In step S105', the information on the display screen 3 is correct, and when the passive electronic authentication device approaches the mobile phone again, the password service function provided by the control chip 1 performs digital signature operation on the transfer information and transmits the result to the mobile phone.
After receiving the digital signature result, the mobile phone internet bank client prompts the user to input a transaction password and completes the account transfer transaction, which belongs to the prior art and is not described again here.
According to the passive electronic authentication device and the interaction method, provided by the invention, by utilizing the NFC technology, under the condition that a battery is not required to be provided, the display and confirmation functions of authentication information can be provided through twice card swiping, a user can confirm or interrupt authentication operation, and the problems that the use cost and the convenience of the user are increased due to the fact that a rechargeable battery is required to be used and the like are solved, or the unsafe problem caused by the fact that the user cannot confirm the authentication information due to the fact that a display screen and a confirmation key are not available when the rechargeable battery is not used is solved. Meanwhile, the user cost is reduced, the convenience is improved, and the high safety is improved.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (12)
1. A passive electronic authentication device for authenticating authentication information in cooperation with a terminal having an NFC function, comprising: the NFC touch screen comprises a control chip (1), an NFC chip (2), a display screen (3), a key (4) and an NFC antenna (5);
the control chip (1) is respectively connected with the display screen (3), the keys (4) and the NFC chip (2) and is used for providing a password service function, judging the states of the keys (4), controlling the display screen (3) to display information and communicating with the terminal through the NFC chip (2);
the NFC chip (2) is connected with the NFC antenna (5) and is used for being in communication connection with the terminal;
the display screen (3) is an electronic paper display screen and is used for displaying information;
the key (4) has two states of pressing or not pressing and is used for confirming information for a user in the safety authentication equipment.
2. Authentication device according to claim 1, wherein the keys (4) are touch keys, the touch key capacitors are integrated with the interface surface of the control chip (1), and the control chip (1) has both key (4) and control chip (1) interface functions.
3. Authentication device according to claim 1, characterized in that said cryptographic service function provided by said control chip (1) is implemented by an NFC chip (2).
4. The authentication device of any one of claims 1 to 3, wherein the cryptographic service function supports a signature algorithm, a symmetric algorithm and an asymmetric algorithm.
5. An interaction method using the passive electronic authentication device of any one of claims 1 to 3, for the passive electronic authentication device to interoperate with a terminal having an NFC function, comprising the steps of:
first step (S101): the passive electronic authentication equipment establishes a communication connection 1 with the terminal through NFC;
second step (S102): the passive electronic authentication equipment receives the terminal information and displays the terminal information on the display screen (3);
third step (S103): the passive electronic authentication equipment is disconnected from the communication connection 1 with the terminal;
fourth step (S104): judging whether the display information on the display screen (3) is correct or not;
if the information is correct, establishing a communication connection 2 with the terminal after pressing and holding the key (4), and executing a fifth step (S105);
otherwise, the key (4) is not operated, the communication connection 2 is established with the terminal, and the authentication operation is finished;
fifth step (S105): and executing the password service function and returning an execution result to the terminal.
6. The method according to claim 5, characterized in that before executing the first step (S101), the terminal starts a client to be authenticated, prompting a user to input authentication information;
and after receiving the input information, the terminal prompts the passive electronic authentication equipment to approach the terminal.
7. The method according to claim 5, characterized in that after performing the second step (S102), the terminal-to-be-authenticated client prompts the user to move the passive electronic authentication device away from the terminal.
8. The method according to claim 5, wherein the terminal to be authenticated client prompts the user for confirmation before executing the fourth step (S104).
9. The method according to claim 5, characterized in that, while performing the fourth step (S104), the passive electronic authentication device clears the display (3) of information after establishing a communication connection 2 with the terminal.
10. The method according to claim 9, characterized in that when emptying the display screen (3) of information, constantly displayed information is input to the display screen (3); the frequently displayed information comprises pictures, characters and symbols and is used for displaying information in the power-off state of the display screen (3).
11. The method according to claim 5, characterized in that after executing the fifth step (S105), the terminal client receives the execution result, completing the authentication.
12. The method according to claim 6, wherein when the passive electronic authentication device approaches the terminal to establish the communication connection 1, the passive electronic authentication device receives a private instruction and enters a passive electronic authentication device working mode; and when the passive electronic authentication equipment does not receive the private instruction, the passive electronic authentication equipment enters a common NFC working mode and is used as an access card.
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| CN201911335151.1A CN111132105A (en) | 2019-12-23 | 2019-12-23 | Passive electronic authentication equipment and interaction method |
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| CN201911335151.1A CN111132105A (en) | 2019-12-23 | 2019-12-23 | Passive electronic authentication equipment and interaction method |
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