US 11,991,180 B2
Authentication system, authentication device, authentication method and program
Yeongnam Chae, Tokyo (JP)
Assigned to RAKUTEN GROUP, INC., Tokyo (JP)
Appl. No. 17/418,264
Filed by RAKUTEN GROUP, INC., Tokyo (JP)
PCT Filed Dec. 27, 2019, PCT No. PCT/JP2019/051568
§ 371(c)(1), (2) Date Jun. 25, 2021,
PCT Pub. No. WO2021/131059, PCT Pub. Date Jul. 1, 2021.
Prior Publication US 2022/0311774 A1, Sep. 29, 2022
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/102 (2013.01) [H04L 63/083 (2013.01); H04L 63/0861 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An authentication system, comprising at least one processor configured to:
perform, based on a similarity between input authentication information that has been input and registered authentication information that has been registered, authentication of a user to be authenticated;
determine whether there is a possibility that the user is authenticated as another user by comparing an image of the face of the user and an image of a face of the another user;
acquire, after it is determined that there is the possibility that the user is authenticated as another user, for the input authentication information, a plurality of pieces of processed authentication information processed differently from each other; and
determine, after it is determined that there is the possibility that the user is authenticated as another user, whether a predetermined number or more of pieces of processed authentication information are more similar to the registered authentication information than to the input authentication information and perform the authentication based on a result of the determination.