Authentication device, authentication method, program, and information processing device

Patent metadata

Field	Value
Publication number	US-2022318357-A1
Application number	US-202017753439-A
Country	US
Kind code	A1
Filing date	Aug 28, 2020
Priority date	Sep 12, 2019
Publication date	Oct 6, 2022
Grant date	—

Abstract

The present technology relates to an authentication device, an authentication method, a program, and an information processing device capable of performing user authentication using biometric information without storing the biometric information.The authentication device performs user authentication by comparing answer information that is generated by converting authentication information generated by converting basic information using biometric information for generation using biometric information for authentication with correct answer information. The present technology is applied to, for example, an authentication device that performs biometric authentication.

First claim

1 . An authentication device comprising:
an authentication unit configured to perform user authentication by comparing answer information that is generated by converting authentication information generated by converting basic information using biometric information for generation using biometric information for authentication with correct answer information.

2 . The authentication device according to claim 1 , wherein
the authentication unit determines whether or not a user whose biometric information for generation is read is consistent with a user whose biometric information for authentication is read on a basis of a similarity between the answer information and the correct answer information.

3 . The authentication device according to claim 1 , further comprising:
a reading unit configured to read the biometric information for authentication; and a conversion unit configured to convert the authentication information into the answer information using the biometric information for authentication.

4 . The authentication device according to claim 3 , further comprising:
an extraction unit configured to extract a feature amount of the biometric information for authentication, wherein the conversion unit converts the authentication information into the answer information using the feature amount.

5 . The authentication device according to claim 4 , wherein
the extraction unit extracts a plurality of types of the feature amounts of the biometric information for authentication, and the conversion unit divides the authentication information into a plurality of portions and converts the authentication information into the answer information using the feature amount different for each of the portions.

6 . The authentication device according to claim 3 , wherein
the biometric information for authentication and the biometric information for generation include a plurality of types of biometric information, and the conversion unit converts the authentication information into the answer information using the plurality of types of biometric information.

7 . The authentication device according to claim 3 , wherein
the basic information is consistent with the correct answer information, and the conversion unit converts the authentication information into the answer information through inverse conversion that corresponds to the conversion from the basic information into the authentication information.

8 . The authentication device according to claim 3 , wherein
the conversion from the basic information into the authentication information is irreversible conversion, and the basic information is different from the correct answer information.

9 . The authentication device according to claim 3 , wherein
the conversion unit converts a plurality of pieces of the authentication information into a plurality of pieces of the answer information using the biometric information for authentication, and the authentication unit specifies the authentication information converted using the biometric information for generation read from the user whose biometric information for authentication is read, on a basis of a similarity between a plurality of pieces of the answer information and the correct answer information.

10 . The authentication device according to claim 1 , wherein
the authentication information is generated using the biometric information for generation of a plurality of users, and the authentication unit determines whether or not the user whose biometric information for authentication is read is included in the plurality of users on a basis of a similarity between the answer information and the correct answer information.

11 . The authentication device according to claim 1 , further comprising:
a communication unit configured to receive the answer information from another device and transmit information that indicates a result of user authentication by the authentication unit to the another device.

12 . The authentication device according to claim 1 , wherein
the biometric information for generation and the biometric information for authentication include at least any one of a finger vein, a fingerprint, a palm print, voice, a face, an iris, or ear sound.

13 . An authentication method comprising:
performed by an authentication device, performing user authentication by comparing answer information that is generated by converting authentication information generated by converting basic information using biometric information for generation using biometric information for authentication with correct answer information.

14 . A program for causing a computer to execute processing comprising:
performing user authentication by comparing answer information that is generated by converting authentication information generated by converting basic information using biometric information for generation using biometric information for authentication with correct answer information.

15 . An information processing device comprising:
a reading unit configured to read biometric information for generation; and a conversion unit configured to convert basic information into authentication information using the biometric information for generation, wherein the authentication information is converted into answer information using biometric information for authentication, and user authentication is performed by comparing the answer information and correct answer information.

16 . The information processing device according to claim 15 , further comprising:
an extraction unit configured to extract a feature amount of the biometric information, wherein the conversion unit divides the authentication information into a plurality of portions and converts the authentication information using a feature amount of a type different for each of the portions.

17 . The information processing device according to claim 15 , wherein
the biometric information for authentication and the biometric information for generation include a plurality of types of biometric information, and the conversion unit converts the basic information into the authentication information using the plurality of types of biometric information.

18 . The information processing device according to claim 15 , wherein
the conversion unit converts the basic information into the authentication information using the biometric information for generation of a plurality of users.

19 . The information processing device according to claim 15 , wherein
the reading unit further reads the biometric information for authentication, and the conversion unit further converts the authentication information into the answer information using the biometric information for authentication, and the information processing device further comprising: a communication unit configured to transmit the answer information to an authentication device and receive information that indicates a result of user authentication performed by comparing the answer information with the correct answer information from the authentication device.

20 . The information processing device according to claim 15 , wherein
the conversion unit converts the basic information into the authentication information according to a conversion rule provided from outside.

Assignees

• Sony Group Corp

Inventors

• Yoshikawa Kiyoshi

Classifications

• G06F18/2163

  Partitioning the feature space · CPC title

• G06F18/22

  Matching criteria, e.g. proximity measures · CPC title

• G06V40/70

  Multimodal biometrics, e.g. combining information from different biometric modalities · CPC title

• G06F21/32 Primary

  using biometric data, e.g. fingerprints, iris scans or voiceprints · CPC title

• G06F21/45

  Structures or tools for the administration of authentication · CPC title