KR101692919B1 - Inputting system and method for for security keypad using smart device - Google Patents

Inputting system and method for for security keypad using smart device Download PDF

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Publication number
KR101692919B1
KR101692919B1 KR1020150100496A KR20150100496A KR101692919B1 KR 101692919 B1 KR101692919 B1 KR 101692919B1 KR 1020150100496 A KR1020150100496 A KR 1020150100496A KR 20150100496 A KR20150100496 A KR 20150100496A KR 101692919 B1 KR101692919 B1 KR 101692919B1
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South Korea
Prior art keywords
keypad
input
time
security
smart terminal
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KR1020150100496A
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Korean (ko)
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최승신
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최승신
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Priority to KR1020150100496A priority Critical patent/KR101692919B1/en
Priority to KR1020160073874A priority patent/KR102280919B1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/021—Arrangements integrating additional peripherals in a keyboard, e.g. card or barcode reader, optical scanner
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0219—Special purpose keyboards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Toxicology (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Electromagnetism (AREA)
  • Software Systems (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Telephone Function (AREA)

Abstract

The present invention relates to a security keypad input system using a smart terminal that allows a security key to be received from a user in a secured state. The present invention relates to a security keypad input system that outputs an input window, A keypad input unit for receiving a key; A one-time keypad generating unit for generating a one-time keypad; And an NFC recognition unit for providing the smart terminal with the one-time keypad generated by the one-time keypad generation unit by proximity communication with the smart terminal in contact with the keypad input unit. An NFC recognition module receiving the one-time keypad from the keypad input device through the NFC recognition unit; And a controller for outputting the one-time keypad received from the NFC recognition module through the display module. According to the present invention, even if a password entry form of a keypad input device such as an input window or a door lock of an ATM is leaked, there is no fear of a password leakage, and even if a smart terminal is hacked by an electronic means, It is effective.

Description

TECHNICAL FIELD [0001] The present invention relates to a security keypad input system and method using a smart terminal,

The present invention relates to a security keypad input system and method using a smart terminal that enables a security key to be received from a user in a secured state using a smart terminal.

In recent years, security of electronic authentication means has become a very important technology and business field as electronic payment means and scale have increased.

On the other hand, security technologies can be roughly divided into electronic security technology and physical security technology.

Electronic security technology is a technology to prevent leakage of security information by electronic means. It is a technique to prevent a system penetration by online hacking or duplication of terminal by illegal program such as spyware. It says.

On the other hand, physical security is a technology for preventing security information from being leaked by physical means. It is a technique for preventing a fingerprint from being left on a security key input screen, a barrier wall for blocking another's eyes on a password input device It says.

In such security technologies, electronic security technology has been improved by technological advancement through investment and R & D.

However, actual security incidents are frequently caused by physical means, but physical security technology is regarded as a part to be cautioned by individual users, and technically there is not enough effort to prevent them.

For example, in recent years, a credit card replicator has been installed in a bank ATM, a small-sized camera has been installed, a password input by a user has been acquired through a video, and a replica credit card has been frequently used : http://news1.kr/photos/view/?1370211, http://news.kmib.co.kr/article/view.asp?arcid=0923087201&code=11131900&cp=nv, etc.)

Further, in the case of password leakage of a door opening / closing device (door lock) installed in a home door or the like, a password is frequently leaked by observing a password inputted by a user.

As a security method for inputting such a password, Korean Patent Registration No. 10-1045257 discloses a configuration in which an arrangement of a password input window is randomly configured and a password is inputted through a direction key input to prevent a password from being leaked Technology is disclosed.

Also, Korean Patent No. 10-1016041 discloses a technique for randomly arranging a password input keypad on a door lock to prevent password leakage.

However, in the prior art, there is a problem that password leakage can not be prevented when a user's password input window is searched using a small camera or the like, as in the case of the actual case described above.

That is, in the related art, there is a problem in that, when the password is leaked by the physical means, there is a limit in preventing the password.

(001) Korean Patent No. 10-1045257 (002) Korean Patent No. 10-1016041

SUMMARY OF THE INVENTION It is an object of the present invention to provide a smart terminal which is free from the leakage of a password even if a password input mode of a keypad input device such as an input window or a door lock of an ATM is leaked, And to provide a security keypad input system and method using the same.

In addition, since the security key can be input to various kinds of keypad input devices by using the one-time keypad generated using the smart terminal, the security keypad input system and method using the smart terminal with improved security, .

According to an aspect of the present invention, there is provided a security keypad, comprising: an input window including one or more null keys whose identification mark is deleted, A keypad input unit for receiving input; A one-time keypad generating unit for generating a one-time keypad; And an NFC recognition unit for providing the smart terminal with the one-time keypad generated by the one-time keypad generation unit by proximity communication with the smart terminal in contact with the keypad input unit. An NFC recognition module receiving the one-time keypad from the keypad input device through the NFC recognition unit; And a controller for outputting the one-time keypad received from the NFC recognition module through the display module.

According to another aspect of the present invention, there is provided a keypad apparatus comprising: a keypad input unit for outputting an input window including one or more null keys whose identification mark is deleted, and receiving a security key from a user; A communication module for communicating with the management server; And a control unit for receiving the one-time keypad through the communication module and determining a security key input through the keypad input unit, and a one-time keypad providing unit for generating a one-time keypad, A management server for providing a one-time keypad to the keypad input device and the smart terminal, and a display module; A communication unit receiving the one-time keypad through the management server; And a controller for outputting the one-time keypad received from the communication unit through the display module. The present invention also provides a smart keypad input system using the smart terminal.

At this time, the keypad input device may be an automated teller machine (ATM) or a door lock.

And the controller may continue and terminate the output of the one-time keypad for a set period of time.

In addition, the one-time keypad may be a keypad having an irregular arrangement order, and the arrangement order may be changed each time it is generated.

The control unit may determine whether the security key input from the user matches the setting code through the one-time keypad, and output the determination result of the security key input through the color change of the keypad input unit .

In addition, the input window may include a null key, which is greater than the difference between the total number of input areas of the input window and the number of the set security keys.

In the input window, the entire input area of the input window may be composed of a null key.

Also, the control unit may determine whether the security key input from the user matches the setting code through the one-time keypad, and output the determination result of the security key input / output through the sound output.

According to another aspect of the present invention, there is provided a mobile communication terminal, comprising: (A) a keypad input device recognizing a contact of a smart terminal through an NFC module; (B) generating the one-time keypad by the keypad attraction device; (C) transmitting the generated one-time keypad to the smart terminal; (D) the smart terminal receiving the one-time keypad outputs the one-time keypad; (E) receiving a security key from a user by outputting an input window including one or more null keys whose identification mark has been deleted from the keypad input device; And (F) determining whether the security key input from the user matches the security code input through the one-time keypad, and determining whether the security key is input or not And the security keypad input method used.

(A) the keypad input device generates a key input message and transmits the key input message to the management server; (b) the management server receiving the key input message generates a one-time keypad and transmits the generated keypad to the keypad input device and the smart terminal; (D) the smart terminal receiving the one-time keypad outputs the one-time keypad; (E) receiving a security key from a user by outputting an input window including one or more null keys whose identification mark has been deleted from the keypad input device; And (F) determining whether the security key input from the user matches the setting code through the one-time keypad and determining whether the security key is input or output. And a keypad input method using the keypad.

The one-time keypad output of step (D) may be continued for a set time and terminated.

In addition, the one-time keypad may be a keypad having an irregular arrangement order, and the arrangement order may be changed each time it is generated.

The present invention may further include (G) outputting the result of the determination of step (F) to the user.

In addition, the output of the determination result of step (F) and the output of the determination result of step (G) may be performed each time the user inputs a key.

In the security keypad input system and method using the smart terminal according to the present invention as described above, the following effects can be expected.

That is, even if the password entry of the keypad input device such as the input window or the door lock of the ATM device is leaked out, there is no fear of password leakage, and even if the smart terminal is hacked by the electronic means, have.

Specifically, in the present invention, the password input is performed through the keypad input device, and the one-time keypad arrangement is provided through the smart terminal. In the state where the smart terminal is hacked by the electronic means, since the password input state of the keypad input device used by the smart terminal user has to be leaked, the password can be acquired, so that it is practically impossible to leak the password.

In the present invention, since a security key is input to various types of keypad input devices using a one-time keypad generated using a smart terminal, the user is skilled in the password input according to the present invention, thereby improving usability.

1 is a diagram illustrating an example of a conventional security key input method.
2 is a block diagram of a security keypad input system using a smart terminal according to an embodiment of the present invention.
3 is a block diagram illustrating another embodiment of a security keypad input system using a smart terminal according to the present invention;
4 is a flowchart illustrating a security keypad input method using a smart terminal according to an embodiment of the present invention.
FIG. 5 is an exemplary view showing an example of a keypad input device and a smart terminal constituting the present invention; FIG.
FIG. 6 is an exemplary view showing an example of providing a one-time keypad according to the present invention; FIG.
FIG. 7 is a flowchart illustrating a security keypad input method using a smart terminal according to another embodiment of the present invention; FIG.

Hereinafter, a system and method for inputting a security keypad using a smart terminal according to a specific embodiment of the present invention will be described with reference to the accompanying drawings.

The present invention relates to a security keypad input system and method using a smart terminal, and more particularly, to a security keypad input system and method using a smart terminal, which is capable of receiving a security key from a user in a secured state using a smart terminal, And methods.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. , Which may vary depending on the intention or custom of the user, the operator, and the like. Therefore, the definition should be based on the contents throughout this specification.

Each block of the accompanying block diagrams and combinations of steps of the flowcharts may be performed by computer program instructions (execution engines), which may be executed by a general-purpose computer, special purpose computer, or other programmable data- The instructions that are executed through the processor of the computer or other programmable data processing equipment will generate means for performing the functions described in each block or flowchart of the block diagram.

These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible for the instructions stored in the block diagram to produce an article of manufacture containing instruction means for performing the functions described in each block or flowchart of the flowchart.

Computer program instructions may also be loaded onto a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible that the instructions that perform the data processing equipment are capable of providing the steps for executing the functions described in each block of the block diagram and at each step of the flowchart.

Also, each block or step may represent a portion of a module, segment, or code that includes one or more executable instructions for executing the specified logical functions, and in some alternative embodiments, It is also possible for functions to occur out of order.

That is, it is also possible that the two blocks or steps shown are actually concurrently performed, and that the blocks or steps are performed in the reverse order of the function as required.

The present invention mainly includes two embodiments.

That is, in the method of providing the generated one-time keypad to the smart terminal of the user, the embodiment of the present invention is distinguished from the one realized through the NFC communication between the keypad input device and the smart terminal and the online server.

First, a security keypad input system using a smart terminal according to the present invention will be described.

FIG. 2 is a block diagram illustrating a security keypad input system using a smart terminal according to the present invention. FIG. 3 is a block diagram illustrating another embodiment of a security keypad input system using a smart terminal according to the present invention. to be.

As shown in FIG. 2, the security keypad input system using the smart terminal according to the present invention includes a keypad input device 100 and a smart terminal 300.

At this time, the keypad input device 100 generally refers to a device for inputting a security key (password) such as an ATM device, a door lock, and the like.

The keypad input device 100 includes a keypad input unit 110, a control unit 120, and an NFC recognition unit 130.

The keypad input unit 110 is an input window provided in the keypad input device 100 and receives a security key from a user through the keypad input unit 110. [ In general, the keypad input unit 110 may include a touch panel, but a physical push type input device may be applied.

 Meanwhile, the controller 120 includes a one-time keypad generator 122 for generating a one-time keypad.

The one-time keypad generation unit 122 generates a keypad having random arrangement order, and generates and provides a new one-time keypad each time a user inputs a security key.

The NFC recognizer 130 transmits the one-time keypad generated by the one-time keypad generator 122 to the smart terminal 300 through proximity communication with the NFC recognition module 330 included in the smart terminal 300, .

The smart terminal 300 includes a display module 310, a controller 320, and an NFC recognition module 330.

As described above, the NFC recognition module 330 receives the one-time keypad from the keypad input device 100, and may be an NFC module included in a smart phone.

The controller 320 outputs the one-time keypad received from the NFC recognition module 330 through the display module 310.

In this case, the display module 310 may be an output window provided in a smart phone.

3, a keypad input device 100, a management server 200, and a smart terminal 300 are included in another embodiment of the present invention.

That is, another embodiment of the present invention is to apply the present invention to a smart terminal without an NFC module, and a one-time keypad is generated by the management server 200 and the keypad input device 100 and the smart terminal 300).

For this, the keypad input device 100 includes a keypad input unit 110, a control unit 122, and a communication module 132.

The control unit 122 may receive a one-time keypad from a management server 200 to be described later, and may receive the keypad input unit 110 from the user through the keypad input unit 110. The keypad input unit 110 may be an input window provided in the keypad input device 100, It is determined whether or not the input key matches with the input key.

The communication module 132 is a communication module that enables online connection to a management server to be described later. In general, a wired communication module is applied, but a wireless communication module such as Wi-Fi is applied according to the installation place and environment It is also possible.

Meanwhile, the management server 200 includes a one-time keypad providing unit 210 for generating a one-time keypad. The one-time keypad providing unit 210 generates a random keypad with an arrangement order, and generates a new one-time keypad each time a user inputs a security key, and provides the new one-time keypad to the keypad input device 100 and the smart terminal 300 .

The smart terminal 300 includes a display module 310, a controller 320, and a communication unit 332.

The communication unit 332 is connected to the management server 200 online and is provided with a one-time keypad from the management server 200. [

The controller 320 outputs the one-time keypad received from the communication unit 332 through the display module 310.

Hereinafter, the security keypad input method using the smart terminal according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 4 is a flowchart illustrating a method of inputting a security keypad using a smart terminal according to the present invention, FIG. 5 is a diagram illustrating an example of a smartphone and a keypad input device constituting the present invention, 6 is an exemplary view showing an example of providing a one-time keypad according to the present invention.

4, the security keypad input method using the smart terminal according to the present invention starts by contacting the smart terminal 300 with the keypad input device 100 when the user intends to input the security key (S110).

5, the user inputs a card into a desired transaction and inputs a security key to the keypad input device 100, as in the conventional method. In other words, when the keypad input device 100 is an ATM device as shown in FIG. 5, The smart terminal 300 is brought into contact with the NFC recognizing unit 130 provided in the keypad input device 100.

When the NFC recognition module 330 of the smart terminal 300 is recognized, the keypad recognition apparatus 100 generates a one-time keypad (S120, S130).

At this time, the one-time keypad refers to a keypad in which the key arrangement is randomly set.

Thereafter, the generated one-time keypad is transmitted to the smart terminal 300 by NFC communication (S140).

The smart terminal 300 receiving the one-time keypad outputs the one-time keypad through the display module 310 as shown in FIG.

As shown in Fig. 6, the one-time keypad is an input keypad in which the arrangement is arranged in a modified arrangement.

Then, the smart device 300 counts the time (S160), outputs the one-time keypad for the set time, and then terminates the one-time keypad output (S170).

Meanwhile, the keypad input device 100 outputting the one-time keypad to the smart terminal 300 outputs an input window displaying only the category area of the keypad in the keypad input unit 110, and receives a key input from the user.

6, only the key input window on which no numbers or symbols are not displayed is output to the keypad input device 100, and the user confirms the one-time keypad through the smart terminal 300, and the keypad input unit 110 ) To enter the security key.

Hereinafter, a key of an input window in which a number or symbol is not displayed is called a null key.

Meanwhile, the keypad input unit 110 output through the keypad input device 100 may output an input window according to various embodiments.

That is, although the keypad input unit outputs an input window displaying only the input area, according to another embodiment, an input window displaying some digits or symbols may be output. Accordingly, the user can easily recognize the arrangement of the one-time keypad displayed on the smart terminal 300 by matching with the keypad input unit 110.

At this time, it is preferable that the number or number of symbols displayed on the keypad input unit 110 is set to be less than the set number of security keys.

That is, when the number or the number of symbols displayed on the keypad input unit 110 is equal to or greater than the set number of security keys, all the security keys to be input may be displayed on the keypad input unit 110, thereby preventing this.

For example, in the case of an input window composed of 12 zones, if the security key is set to 4 digits, there is a possibility that all the security keys to be input with a probability of about 1/11880 are displayed on the keypad input unit 110. In order to prevent this, the number or the number of symbols displayed on the keypad input unit 110 is preferably set to be less than the set number of security keys.

Meanwhile, when the user's security key input is recognized, the keypad input device 100 reads (converts) the input security key in accordance with the generated one-time keypad array (S210, S220).

Thereafter, the keypad input device 100 determines whether the input security key and the setting code match (S230).

Here, the setting code means a set password. In the case of an ATM, the setting code is read when a user's card is inserted, and may be a password set in the case of a door lock.

In step S240, it is determined whether the input security key is identical to the setting code.

Here, whether or not the input security key and the setting code match each other may be performed for each key input, or may be performed after all security keys of a predetermined length are input.

The output of step 240 may be an output through a display or an output through a sound. For example, when the security key input matches the setting code, the input key position is output as a specific color (green). If the security key input is an unmatched input, the input key position is output as another color (red) It is possible to immediately know the input / output of the input.

Meanwhile, FIG. 7 is a flowchart illustrating another embodiment of a security keypad input method using a smart terminal according to the present invention.

As shown in the figure, another embodiment of the security keypad input method using the smart terminal according to the present invention starts with the keypad input device 100 generating a key input message and transmitting it to the management server 200 (S310 , S320).

That is, when the keypad input device 100 is an ATM device, the user selects a desired transaction by inputting a card as in a normal method, and when the keypad input device 100 reaches the security key inputting step, 200 and transmits the key input message to the management server 200. [

Thereafter, the one-time keypad providing unit 210 of the management server 200 generates a one-time keypad (S330).

Then, the management server 200 transmits the generated one-time keypad to the keypad input device 100 and the smart terminal 300, respectively (S340).

Next, the smart terminal 300 receiving the one-time keypad outputs the one-time keypad for a predetermined time through the display module 310, and then terminates the outputting in the same manner as steps 150 through 170 (S350, S360, S370).

Meanwhile, the keypad input apparatus 100 receiving the one-time keypad outputs an input window including only the keypad division area to the keypad input unit 110, Receives the input, recognizes the security key input from the user, and reads (converts) the input security key according to the arrangement of the received one-time keypad (S410, S420, S430).

The process of outputting whether or not the input security key is identical to the setup code is the same as operation 240 (S440).

It is to be understood that the invention is not limited to the disclosed embodiment, but is capable of many modifications and variations within the scope of the appended claims. It is self-evident.

The present invention relates to a security keypad input system and method using a smart terminal that enables a security key to be received from a user in a secured state using a smart terminal, Even if a password input mode of a keypad input device such as a door lock is leaked, there is no fear of password leakage, and even if the smart terminal is hacked by an electronic means, the password is not leaked.

100: keypad input device 110: keypad input
120, 122: control unit 122: one-time keypad generating unit
130: NFC recognition unit 132: communication module
200: management server 210: one-time keypad
300: smart terminal 310: display module
320: Controller 330: NFC-aware module
332:

Claims (18)

A system for receiving a security keypad including a keypad input device and a smart terminal,
A keypad input unit for outputting an input window including one or more null keys from which the identification mark is deleted and receiving a security key from a user;
A one-time keypad generating unit for generating a one-time keypad; And
And an NFC recognition unit for providing the smart terminal with the one-time keypad generated by the one-time keypad generation unit by proximity communication with the smart terminal contacted with the keypad input unit.
A display module;
An NFC recognition module receiving the one-time keypad from the keypad input device through the NFC recognition unit; And
And a controller for outputting the one-time keypad received from the NFC recognition module through the display module, the smart terminal comprising:
The one-
The keypad has an irregular arrangement order, and the arrangement order is changed every time it is created:
Wherein,
Wherein the security terminal determines whether the security key input from the user is consistent with the setting code through the one-time keypad, and outputs the determination result of the security key input through the color change of the keypad input unit. Used security keypad input system.
A system for receiving a security keypad including a keypad input device, a management server, and a smart terminal,
A keypad input unit for outputting an input window including one or more null keys from which the identification mark is deleted and receiving a security key from a user;
A communication module for communicating with the management server; And
And a control unit for receiving the one-time keypad through the communication module and determining a security key input through the keypad input unit;
A one-time keypad providing unit for generating a one-time keypad, and providing the generated one-time keypad to the keypad input device and the smart terminal; and
A display module;
A communication unit receiving the one-time keypad through the management server; And
And a controller for outputting the one-time keypad received from the communication unit through the display module, the smart terminal comprising:
The one-
The keypad has an irregular arrangement order, and the arrangement order is changed every time it is created:
Wherein,
Wherein the security terminal determines whether the security key input from the user is consistent with the setting code through the one-time keypad, and outputs the determination result of the security key input through the color change of the keypad input unit. Used security keypad input system.
3. The method according to claim 1 or 2,
The keypad input device includes:
A smart keypad input system using a smart terminal, characterized in that it is an automated teller machine (ATM) or a door lock.
The method of claim 3,
The controller comprising:
Wherein the one-time keypad is continuously output for a predetermined time and is terminated.
delete delete The method of claim 3,
The above-
Wherein the input key includes a null key that is greater than a difference between a total number of input areas of the input window and a number of the set security keys.
The method of claim 3,
The above-
Wherein the entire input area of the input window is composed of a null key.
delete (A) the keypad input device recognizes contact of the smart terminal through the NFC module;
(B) the keypad input device generating a one-time keypad;
(C) transmitting the generated one-time keypad to the smart terminal;
(D) the smart terminal receiving the one-time keypad outputs the one-time keypad;
(E) receiving a security key from a user by outputting an input window including one or more null keys whose identification mark has been deleted from the keypad input device; And
(F) determining whether the security key input from the user matches the security code input through the one-time keypad to the security code input from the user,
The one-
The keypad has an irregular arrangement order, and the arrangement order is changed every time it is created:
The keypad input device includes:
And outputting the result of discriminating whether the input security key is correct or incorrect, through a color change of the input window.
(a) generating a key input message by a keypad input device and transmitting the key input message to a management server;
(b) the management server receiving the key input message generates a one-time keypad and transmits the generated keypad to the keypad input device and the smart terminal;
(D) the smart terminal receiving the one-time keypad outputs the one-time keypad;
(E) receiving a security key from a user by outputting an input window including one or more null keys whose identification mark has been deleted from the keypad input device; And
(F) determining whether the security key input from the user matches the security code input through the one-time keypad and whether the security key is input or not;
The one-
The keypad has an irregular arrangement order, and the arrangement order is changed every time it is created:
The keypad input device includes:
And outputting the result of discriminating whether the input security key is correct or incorrect, through a color change of the input window.
The method according to claim 10 or 11,
The keypad input device includes:
A smart keypad input method using a smart terminal, characterized in that it is an automated teller machine (ATM) or a door lock.
The method according to claim 10 or 11,
The one-time keypad output of step (D)
The method of claim 1, further comprising the steps of:
delete delete 14. The method of claim 13,
The output of the determination result of the (F)
Wherein the method is performed whenever a user inputs a key.
14. The method of claim 13,
The above-
Wherein the input key includes a null key that is greater than a difference between the total number of input areas of the input window and the number of the set security keys.
14. The method of claim 13,
The above-
Wherein the entire input area of the input window is composed of a null key.
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