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US 9,866,551 B2Granted
One time password generation device and authentication method using the same
OwnerYoung Man Hwang, Sung Min Jooinventors
Life of this patent
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Abstract
Disclosed are a one time password generation device and an authentication method. The one time password generation device includes: a reference information generator that generates reference information; a virtual input means generator that generates a virtual input means in which a blank is provided; and a password generator that generates a one time password using an initial value, reference information and a blank.
Claims19
A one-time password generation device for involving a user in creating one time password for user authentication, comprising:
- a memory configured to store the one time password created;
- a reference information generator (110) that generates reference information responding to the user's request, wherein the reference information generator displays a picture of a group of cells on a hardware screen, thus allowing the user to choose a desired cell of the group of cells, each of the cells representing a symbol indicating a direction for a user to move each character of an original password from a preset location where the each character is to be entered in and the number of spaces to move the each character along the direction each time the user enters the each character;
- a virtual keyboard (120) having a plurality of virtual character keys including at least one blank, the virtual keyboard (120) being displayed on the hardware screen so as to allow the user to enter and modify the original password;
- and
- a password generator (130) that generates the one-time password using the original password and the reference information to verify the user's password entered,
- wherein the password generator converts the each character of an original password to a corresponding character comprising the one time password each time based on the direction and the number of spaces the user has chosen;
- and,
- wherein the password generator determines a length of the one time password by omitting to generate a portion of the one-time password that corresponds to the blank displayed on the virtual keyboard the each time.
5 more elements
An authentication method using a one time password generation device, the authentication method comprising:
- performing primary authentication (S10) using a one time password generation device in a terminal;
- performing secondary authentication (S20) that determines whether digital montage corresponds with a user pattern by comparing;
- and
- requesting third authentication (S30) to terminal in which a user is previously registered, when a pattern does not correspond at the performing of secondary authentication,
- wherein the one time password generation device comprises:
- a memory configured to store the one time password created;
- a reference information generator (110) that generates reference information responding to the user's request, wherein the reference information generator displays a picture of a group of cells on a hardware screen, thus allowing the user to choose a desired cell of the group of cells, each of the cells representing a symbol indicating a direction for a user to move each character of an original password from a preset location where the each character is to be entered in and the number of spaces to move the each character along the direction each time the user enters the each character;
- a virtual keyboard (120) having a plurality of virtual character keys including at least one blank, the virtual keyboard (120) being displayed on the hardware screen so as to allow the user to enter and modify the original password;
- and
- a password generator (130) that generates the one time password using the original password and the reference information to verify the user's password entered,
- wherein the password generator converts the each character of an original password to a corresponding character comprising the one time password each time based on the direction and the number of spaces the user has chosen;
- and,
- wherein the password generator determines a length of the one time password by omitting to generate a portion of the one-time password that corresponds to the blank displayed on the virtual keyboard the each time.
10 more elements
Dependencies are inferred from the claim text.