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1. (WO2017033442) INFORMATION PROCESSING DEVICE, AUTHENTICATION SYSTEM, AUTHENTICATION METHOD, AND RECORDING MEDIUM FOR RECORDING COMPUTER PROGRAM

Pub. No.:    WO/2017/033442    International Application No.:    PCT/JP2016/003777
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Fri Aug 19 01:59:59 CEST 2016
IPC: G06F 21/62
G06F 21/31
G09C 1/00
H04L 9/32
Applicants: NEC CORPORATION
日本電気株式会社
Inventors: TANAKA, Yuki
太中 裕貴
FURUKAWA, Jun
古川 潤
OHARA, Kazuma
大原 一真
ARAKI, Toshinori
荒木 俊則
Title: INFORMATION PROCESSING DEVICE, AUTHENTICATION SYSTEM, AUTHENTICATION METHOD, AND RECORDING MEDIUM FOR RECORDING COMPUTER PROGRAM
Abstract:
An information processing device according to the present invention authenticates sets of distributed authentication information without collecting, from respective devices in which the sets of distributed authentication information are individually stored, the sets of distributed authentication information, to be collected at any one of devices included in a system. The information processing device is provide with: a secure computation unit that performs determination of whether or not master authentication information, which is stored in advance and is one information to be compared for authentication, matches authentication information, which is received from a first information processing device connected through communication and is the other information to be compared for authentication, by executing secure computation through communication with a second information processing device on the basis of one set of distributed master authentication information obtained by distributing the master authentication information by using a secret distribution method and on the basis of one set of distributed authentication information obtained by distributing the authentication information by the secret distribution method; and a process execution unit that executes a predetermined process in accordance with the result of the determination.