JP2001344058A - Device for inputting password and method for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a password inputting device and method for protecting the information or property of a user by providing a mechanism for preventing a password set by a user from being associated with the individual information of the user. SOLUTION: This device is provided with: a plurality of buttons 11, 12, 13, and 14 for inputting a password; a decoder 16 for detecting a signal indicating that buttons 11, 12, 13, and 14 are depressed, converting the signal into an electric signal and transmitting the electric signal to an authenticating device 18; and a shielding case 15 for preventing the inputting procedure of a password from being peeked into by a third person when the user inputs the password. In this case, the shielding case 15 for totally covering the movement of the user's fingers is arranged at the upper part of the buttons 11, 12, 13, and 14, and the buttons 11, 12, 13, and 14 are arranged at prescribed positions with which any specific number or alphabet can be made difficult to be associated so that the inputted password can be prevented from recognized by a third person according to the movement of the user's fingers when the user inputs the password.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security code input management technique, and more particularly, to a mechanism for preventing a security code set by a user from being associated with personal information of the user.
The present invention relates to a password input device and a password authentication method for protecting user information and assets.

[0002]

2. Description of the Related Art Conventionally, in a password input device, numerals and alphabets are mainly used as passwords. In order to prevent forgetting, the user forms a password using a number or alphabet related to the user (for example, his / her date of birth, telephone number, Roman name, etc.) or a combination thereof as a password. Often. Also, passwords of so-called dictionary keywords such as general nouns are often used.

[0003]

However, in the prior art, the user's personal information (date of birth, telephone number, etc.)
Randomly trying numbers and alphabets that are inferred from keywords in a dictionary or dictionary may lead to the identification of a password or password and break the security system. There was a problem that it occurred frequently.

[0004] The present invention has been made in view of such a problem, and an object of the present invention is to provide a mechanism in which a password set by a user cannot be associated with personal information of the user. Another object of the present invention is to provide a personal identification number input device and a personal identification number authentication method for protecting information and assets of persons.

[0005]

The gist of the present invention is that a plurality of buttons for inputting a password and a signal indicating that the button has been pressed are detected. And a concealing case that prevents the user from looking into the state of inputting the personal identification number from a third party when inputting the personal identification number, at the top of the button. The concealment case that covers the movement of the finger is provided, so that a third party does not recognize the password input based on the movement of the finger at the time of inputting the password, each of the plurality of buttons, A secret number input device is characterized in that a specific number or alphabet is arranged at a predetermined position so as to be difficult to associate with it. The gist of the invention described in claim 2 of the present invention is that the concealment case for covering the movement of a finger is provided above the buttons with four buttons for inputting a personal identification number. Yes, each of the four buttons should be divided into triangles so that it is difficult to associate specific numbers and alphabets so that a third party cannot recognize the password entered based on the movement of the finger when entering the password. 2. The personal identification number input device according to claim 1, further comprising a configuration arranged at the position of the vertex of the triangle and the position of the center of the triangle. Further, the gist of the invention described in claim 3 of the present invention is that the button for inputting a password is not described with a character, a symbol, or an alphabet corresponding to the password, and the arrangement of the buttons is free. The password input device according to claim 1 or 2, further comprising the concealing case formed so as to cover the movement of the finger. The gist of the invention described in claim 4 of the present invention is that the decoder outputs an electric signal indicating that one or a plurality of the buttons are simultaneously depressed in a binary manner so as to uniquely correspond to each of the buttons. The personal identification number input device according to any one of claims 1 to 3, wherein the personal identification number input device is generated and output in a digital code format. The gist of the invention described in claim 5 of the present invention is that the decoder comprises:
An electric signal indicating that each of the buttons is depressed is generated and output in a binary digital code format in which the same bit does not have the same logical value at the same time when a binary digital code is generated. Item 4 is the personal identification number input device. The gist of the invention according to claim 6 of the present invention is that, when the plurality of buttons are simultaneously pressed down, the decoder is configured to perform an electrical signal of a logical sum of the electrical signals corresponding to the plurality of buttons simultaneously pressed down. 6. The password input device according to claim 5, wherein the password is generated and output. The gist of the invention described in claim 7 of the present invention is that the decoder uses a signal generated and output when the button returns to the original position after the button is pressed as a trigger, so that the decoder is capable of receiving the signal by pressing down the button. The password input device according to any one of claims 1 to 6, wherein a combination of binary digital codes is detected, converted into an electric signal, and transmitted to the authentication device. The gist of the invention described in claim 8 of the present invention is that, when a plurality of the buttons are simultaneously depressed, the decoder generates when the last one of the depressed buttons returns to the original state. 8. The method according to claim 7, wherein the output signal is used as a trigger to detect a combination of binary digital codes caused by pressing the button, convert the combination into an electric signal, and transmit the electric signal to the authentication device.
In the password input device described in (1). The gist of the invention described in claim 9 of the present invention is that a plurality of buttons for inputting a password, a signal indicating that the button is pressed are detected, converted into an electric signal, and transmitted to the authentication device. It has a decoder to transmit, and a concealment case that covers the movement of the finger is provided on the upper part of the button, so that the third person cannot recognize the password input based on the movement of the finger at the time of inputting the password As described above, each of the plurality of buttons, a specific number,
In a scene where the user is prompted to input a user ID in response to a login prompt display using a password input device arranged at a predetermined position so that it is difficult to associate the alphabet.
A step of inputting a user ID using a keyboard of the terminal and, when inputting a password, transmitting a signal from the password input device to the terminal to perform authentication; and storing the input user ID and a pre-stored user ID. Password and
Compare with the signal input from the password input device,
A password authentication method is characterized in that it has a step of permitting login when both match, and returning to the login prompt display again to prompt for a user ID when they do not match. The gist of the invention described in claim 10 of the present invention is that an electric signal indicating that one or a plurality of buttons are simultaneously depressed is converted into a binary digital code format uniquely corresponding to each of the buttons. 10. The method according to claim 9, further comprising a step of generating and outputting. The gist of the invention described in claim 11 of the present invention is that an electric signal indicating that each of the buttons is depressed does not cause the same bit to have the same logical value at the same time when a binary digital code is generated. The secret number authentication method according to claim 10, wherein the password is generated and output in a binary digital code format. The gist of the invention described in claim 12 of the present invention is that, when a plurality of the buttons are simultaneously pressed, an electric signal of a logical sum of the electric signals corresponding to the plurality of simultaneously pressed buttons is generated and output. 12. The method according to claim 11, further comprising the step of: The gist of the invention described in claim 13 of the present invention is that a signal generated and output when returning to the original position after the button is pressed is used as a trigger to generate a binary digital code by pressing down the button. The method according to claim 9, further comprising a step of detecting a combination, converting the combination into an electric signal, and transmitting the electric signal to the authentication device. The gist of the invention described in claim 14 of the present invention is that, when a plurality of the buttons are simultaneously depressed,
A signal generated and output when the last of the pressed buttons returns to its original state is used as a trigger to detect a combination of binary digital codes resulting from the pressing of the button and convert the combination into an electric signal to perform the authentication. The method according to claim 13, further comprising a step of transmitting the password to an apparatus.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a password input device in an ATM, an entry / exit security system, a personal computer login system, and the like. It is characterized by the fact that the alphabet is not described, the arrangement of the buttons is formed in a free form, and that there is a concealing case that covers the movement of the finger. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a schematic configuration diagram for explaining a personal identification number input device 10 according to a first embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a password input device according to the embodiment, 11, 12, 13, and 14 denote buttons, 15 denotes a concealment case, 16 denotes a decoder, and 18 denotes an authentication device.

Referring to FIG. 1, a personal identification number input device 10 of the present embodiment includes four buttons 11 and 12 arranged at the vertices of a triangle on a board (not shown) and at the center of the triangle. , 13, 14 and buttons 11, 12, 1
A decoder 16 for detecting a signal indicating that the keys 3 and 14 have been depressed, converting the signal into an electric signal, and transmitting the electric signal to the authentication device 18;
The concealment case 15 is mainly configured to prevent a third party (for example, a hacker) from seeing the input of the personal identification number when the user inputs the personal identification number.

In this embodiment, the buttons 11, 12, 1
Concealed case 1 covering the movement of the finger on the upper part of 3, 14
A mechanism 5 is provided to prevent a third party (for example, a hacker) from understanding a password input based on the movement of a finger when the password is input. In other words, the four buttons 11, 12, 13, and 14 are used to input a password.
Are arranged so that it is difficult to associate a particular number or alphabet. Specifically, button 11,
12, 13, and 14 are arranged at the vertices of the triangle and at the center of the triangle.

FIG. 2 is a table showing electric signals (binary digital code notation) generated and output when the buttons 11, 12, 13, 14 are depressed. Referring to FIG. 2, in personal identification number input device 10 of the present embodiment, decoder 16 outputs an electric signal indicating that buttons 11, 12, 13, 14 have been pressed down to buttons 11, 12, 1, 1.
3 and 14 are generated and output in a binary digital code format (binary digital code notation shown in the figure) so as to uniquely correspond to each of them. Buttons 11, 12, 13, 14
In consideration of the fact that a plurality of passwords can be simultaneously depressed, a series of signal combinations are generated in a binary digital code format (binary digital code notation shown in the figure) such that the number of combinations is not reduced as compared with a conventional password input device. Output.

More specifically, the decoder 16 controls the button 11
An electrical signal indicating that the button 12 has been depressed is generated and output as a binary digital code "0001", and an electrical signal indicating that the button 12 has been depressed is generated and output as a binary digital code "0010". An electric signal indicating that the button 14 has been depressed is generated and output as a binary digital code “0100”, and an electric signal indicating that the button 14 has been depressed is generated and output as a binary digital code “1000”.

The decoder 16 of the present embodiment has a button 1
An electric signal indicating that each of 1, 1, 13, and 14 has been depressed is converted into a binary digital code format (binary shown in the figure) in which the same bit does not become "1" at the same time when a binary digital code is generated. Generate and output in digital code notation). Further, buttons 11, 12, 13, 1
When a plurality of buttons 4 are simultaneously depressed, an electric signal of a logical sum of the electric signals corresponding to the buttons 11, 12, 13, and 14 which are simultaneously depressed is generated and output.

Thus, any of the buttons 11, 12, 1
An electric signal (a combination of binary digital codes) when one or more of the buttons 3, 14 are simultaneously depressed is converted into an electric signal (binary digital code) by a combination of other arbitrary buttons 11, 12, 13, 14. Code combination) can not be reproduced. Also,
By pressing any one of the bits constituting the binary digital code corresponding to the electric signal to “1”, the fact that a certain button 11, 12, 13, 14 has been depressed is set. An electric signal (combination of binary digital codes) when a plurality of buttons 12, 13, 14 are simultaneously depressed is transmitted to another arbitrary button 11, 12, 1, 1.
The electric signal (2
Using a combination of binary digital codes).

Next, the operation of the password input device 10 (password authentication method) will be described with reference to FIGS. FIG. 3 is an example of a personal identification number registration application used in the first embodiment.

In the present embodiment, as shown in the example of an application for registering a personal identification number in FIG. 3, the user presses the buttons 11, 12, 13, and 14 to register as personal identification numbers. 14 are described in the order in which they are pressed.

In the example of the password registration application shown in FIG.
Signal (combination of binary digital codes) due to depression of buttons 11, 12, 13, and 14
Is registered as a password at an organization that manages the password, for example, a bank.

For example, in the example of an application for registering a personal identification number shown in FIG. 3, the numbers below ● in the figure correspond to the order of pressing (the order of pressing), and the user first presses down the button 11 and then presses down the button 12. Subsequently, the buttons 13, 14, and 14 are pressed simultaneously, and the buttons 11, 12, 13, and 14 are pressed in the order of pressing the button 12 at the end, thereby registering the password as a password.

Specifically, as shown in FIG. 3, a binary digital code "0001" (=
Hexadecimal digital code "1") is registered as a password. In addition, the binary digital code “0010” (= hexadecimal digital code “2”) is registered as the personal identification number for the pressing order 2. In addition, the binary digital code “1100” for the order of pressing 3
(= 0100 | 1000 = hexadecimal digital code "c") is registered as a password. In addition, the binary digital code “0010” is displayed for the pressing order 4.
(= Hexadecimal digital code "2") is registered as a password.

As a result of the above depressing operation, as shown in FIG. 3, numerals and alphabets of 1, 2, c and 2 are registered as a password in hexadecimal digital code.

Thus, on the user side, which button 1
Since it is not known which numbers or alphabets 1,12,13,14 correspond to, the above 1,2, c,
It is impossible to know the internal password corresponding to 2, and conversely, it is impossible to intentionally register a specific number or alphabet as the internal password.

Next, the user actually inputs the personal identification number,
The situation where the user is authenticated as a correct user will be described. FIG.
5 is a timing chart for explaining a password input operation in the first embodiment.

As shown in FIG. 4, the decoder 16 of this embodiment generates and outputs signals (buttons 11, 12) when the buttons 11, 12, 13, 14 return to their original positions after being depressed. , 13, 14) are used as triggers (transmission triggers shown in FIG. 4) to detect combinations of binary digital codes caused by pressing down the buttons 11, 12, 13, 14 and convert them to electrical signals. To the authentication device 18.

As shown in FIG. 4, when a plurality of buttons 11, 12, 13, and 14 are simultaneously depressed, the decoder 16, as shown in FIG.
Last buttons 11, 12, 13, 14 of 13, 14
Is generated and output when the button returns to its original state (buttons 11 and 1).
4, 13, and 14) are used as triggers (the transmission triggers shown in FIG. 4) as buttons.
A combination of binary digital codes due to depression of 13 and 14 is detected, converted into an electric signal, and transmitted to the authentication device 18.

As described above, according to the first embodiment, the following effects can be obtained. First, the first effect is
The user can enter his / her date of birth, phone number,
The use of Roman characters, dictionary keywords, and the like becomes impossible, and the dangers of stolen deposits due to loss of cash cards and unauthorized intrusion into networks can be greatly reduced. The reason is that when registering the PIN, the button 1
No symbols such as numbers, alphabets, etc. are specified on 1, 12, 13, 14 and buttons 11, 12, 1
Since the arrangement of 3, 14 is intentionally arranged so that it cannot be associated with numbers or alphabets, the user cannot remember the password or password in numbers or alphabets. Or you have to remember your password. This allows a third party (e.g., a hacker) to randomly try out personal information, i.e., date of birth, or a number inferred from a telephone number or dictionary keyword, to determine a password or password, and to establish a security system. This is because the possibility of being broken is greatly reduced.

The second effect is that when the user inputs a password, the movement of the input finger is hidden.
This makes it impossible for a third party (for example, a hacker) to guess the password from the state of the input.

(Second Embodiment) In another embodiment of the present invention, the basic configuration is as described above, but the present invention is devised as a method for authenticating a personal identification number when logging in to a network. Is shown in FIG. FIG. 5 is an operation flow for explaining the personal identification number authentication method according to the second embodiment of the present invention.

Generally, when logging in to a network, a user such as a computer is used to authenticate a user with a combination of a user ID and a password. In the personal identification number authentication method according to the present embodiment, as shown in FIG. 5, the user I receives the login prompt (step S1).
In the case where the user is prompted to input D, the user inputs the user ID using the keyboard of the computer as before (step S).
2) When a password is input from the hard disk HD (step S6), a signal from the password input device 10 of the present embodiment is transmitted to the computer (step S7).
Authentication. In the authentication according to the present embodiment, the user ID and the password input in step S6 are compared with the signal input from the personal identification number input device 10 in step S7 (step S7).
3) When both match (Ye in step S4)
s) Permit login (step S5). At step 6, a password registered in advance based on the user ID input at step S2 is stored on the hard disk HD.
Read from On the other hand, when the user ID and the password read out in step S6 do not match the signal input from the personal identification number input device 10 of the present embodiment in step S7 (No in step S4), login again. Returning to the prompt display (step S1), the user is prompted to enter a user ID. In this embodiment, when applying for use,
As in the case of FIG. 3, by applying to the administrator of the network resource, the administrator registers the password. As described above, according to the second embodiment, the same effects as those of the first embodiment can be obtained.

It is to be noted that the present invention is not limited to the above embodiments, and each embodiment can be appropriately changed within the scope of the technical idea of the present invention. Further, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to suitable numbers, positions, shapes, and the like for implementing the present invention. In each drawing, the same components are denoted by the same reference numerals.

[0029]

Since the present invention is configured as described above, the following effects can be obtained. First, the first effect is that the user cannot use his / her date of birth, telephone number, Roman alphabet name, dictionary keyword, etc. as a personal identification number. The dangers of the can be greatly reduced. The reason is that when registering the PIN, the buttons are not clearly marked with numbers, alphabets, etc., and the buttons are intentionally arranged so that they can not be associated with numbers, alphabets, The inability to memorize the password or the password in the alphabet forces the user to memorize the password or the password as a hand. This could allow a third party to randomly test out personal information, i.e., date of birth, phone number or a number inferred from a dictionary keyword, which could lead to the identification of a personal identification number or password and break the security system. This is because it is greatly reduced.

The second effect is that when a user inputs a password, the movement of the input finger is hidden.
This makes it impossible for a third party to guess the password from the state of the input.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram for explaining a password input device according to a first embodiment of the present invention.

FIG. 2 is a table showing electric signals (binary notation) generated and output when a button is pressed.

FIG. 3 is an example of a personal identification number registration application used in the first embodiment.

FIG. 4 is a timing chart for explaining a password input operation in the first embodiment.

FIG. 5 is an operation flow for explaining a personal identification number authentication method according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... PIN input device 11, 12, 13, 14 ... button 15 ... Concealment case 16 ... Decoder 18 ... Authentication device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06F 15/00 330 G06F 17/60 250 17/60 224 G07D 9/00 461Z 250 G06F 3/023 310K G07D 9 / 00 461

Claims (14)

[Claims] 1. A plurality of buttons for inputting a password, a decoder for detecting a signal indicating that the button is depressed, converting the signal into an electric signal and transmitting the signal to an authentication device, When inputting, there is a concealing case that prevents a third party from looking into the state of inputting the password, and the concealing case that covers the movement of the finger is provided at the upper part of the button, and the password is input. Each of the plurality of buttons is arranged at a predetermined position so that it is difficult to associate a specific numeral or alphabet so that a third person cannot recognize the password input based on the movement of the finger at the time. A password input device, characterized in that: 2. The apparatus has four buttons for inputting a personal identification number, and the concealing case for covering the movement of the finger is provided above the button, and the movement of the finger when the personal identification number is input is provided. In order to prevent a third party from understanding the password entered in the
2. The password according to claim 1, wherein each of the two buttons is arranged at a position of a vertex of the triangle and at a position of the center of the triangle so that it is difficult to associate a specific number or alphabet. Number input device. 3. The button for inputting a personal identification number does not include a character, a symbol, or an alphabet corresponding to the personal identification number. The personal identification number input device according to claim 1, further comprising the concealing case that covers a movement. 4. The decoder outputs an electrical signal indicating that one or more of the buttons are depressed simultaneously.
4. The password input device according to claim 1, wherein the password is generated and output in a binary digital code format that uniquely corresponds to each of the buttons. 5. The decoder generates an electric signal indicating that each of the buttons is depressed in a binary digital code format in which the same bit does not have the same logical value at the same time when a binary digital code is generated. The password input device according to claim 4, wherein the password is output. 6. The decoder according to claim 1, wherein when a plurality of buttons are simultaneously depressed, the decoder generates and outputs an electric signal of a logical sum of electric signals corresponding to the plurality of buttons depressed simultaneously. Item 6. The password input device according to Item 5. 7. A signal generated and output when the button returns to the original position after the button is pressed is detected as a trigger, and the decoder detects a combination of binary digital codes due to the pressing of the button and generates an electric signal. The password input device according to any one of claims 1 to 6, wherein the password is transmitted to the authentication device. 8. The decoder, when a plurality of buttons are simultaneously depressed, triggers the signal generated and output when the last one of the depressed buttons returns to the original state, and By pushing down 2
The password input device according to claim 7, wherein a combination of binary digital codes is detected, converted into an electric signal, and transmitted to the authentication device. 9. A plurality of buttons for inputting a personal identification number, and a decoder for detecting a signal indicating that the button has been depressed, converting the signal into an electric signal, and transmitting the signal to an authentication device. There is provided a concealment case that covers the movement of the finger, and each of the plurality of buttons, so that a third party does not recognize the password input based on the movement of the finger at the time of inputting the password, Using a password input device arranged at a predetermined position so that it is difficult to associate a specific number or alphabet, in a case where the user is prompted to input a user ID in response to a login prompt display, the user ID is input using a terminal keyboard. Inputting, when inputting a password, a step of transmitting a signal from the personal identification number input device to a terminal to perform authentication, and storing the input user ID and a pre-stored user ID. The password is compared with the signal input from the password input device. If the passwords match, login is permitted. If the passwords do not match, the display returns to the login prompt again to enter the user ID. A method for authenticating a personal identification number, comprising a step of prompting. 10. A method of generating and outputting an electric signal indicating that one or a plurality of buttons are simultaneously depressed in a binary digital code format uniquely corresponding to each of the buttons. The password authentication method according to claim 9. 11. An electrical signal indicating that each of the buttons has been depressed, wherein the same bit is not simultaneously set to the same logical value when a binary digital code is generated.
The password authentication method according to claim 10, wherein the password is generated and output in a hexadecimal digital code format. 12. The method according to claim 1, further comprising a step of, when a plurality of buttons are simultaneously depressed, generating and outputting an electric signal of a logical sum of electric signals corresponding to the plurality of buttons depressed simultaneously. 11. The password authentication method according to item 11. 13. A signal generated and output when returning to the original position after the button is depressed is used as a trigger,
2. The method according to claim 1, further comprising a step of detecting a combination of binary digital codes caused by pressing down the button, converting the combination into an electric signal, and transmitting the electric signal to the authentication device.
3. The password authentication method according to any one of 2. 14. When a plurality of buttons are simultaneously depressed, a signal generated and output when the last one of the depressed buttons returns to its original state is used as a trigger to generate two or more signals. 14. The method according to claim 13, further comprising a step of detecting a combination of binary digital codes, converting the combination into an electric signal, and transmitting the electric signal to the authentication device.