Title:
AUTHENTICATION AUTHORIZATION SYSTEM, INFORMATION PROCESSING DEVICE, DEVICE, AUTHENTICATION AUTHORIZATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/080510
Kind Code:
A1
Abstract:
This authentication authorization system includes: a plurality of devices; and a server that generates secret keys for the devices and distributes the secret keys and extension identifiers including identifiers for identifying the devices and authorization information of the devices. The authentication authorization system is characterized in that: the server has a holding means for holding the identifiers of the devices and the authorization information of the devices, a generation means for generating secret keys of the devices from the extension identifiers including the identifiers for identifying the device and the authorization information of the devices, and a distribution means for distributing the secret keys generated by the generation means and the extension identifiers to the devices; and each of the devices has an authentication means for carrying out mutual authentication with other devices by using an extension identifier and a secret key of the device, and an authorization means for permitting requests from the other devices to the device in accordance with the authorization information included in the extension identifiers of the other devices when the authentication with the other devices by the authentication means is successful.
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Inventors:
TAMURA SAKURAKO (JP)
NAGAI AKIRA (JP)
NAGAI AKIRA (JP)
Application Number:
PCT/JP2019/041048
Publication Date:
April 23, 2020
Filing Date:
October 18, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04L9/32; G06F21/44; G09C1/00; H04L9/08
Foreign References:
| JP2010016465A | 2010-01-21 | |||
| JP2009033402A | 2009-02-12 | |||
| JP2017126970A | 2017-07-20 | |||
| JP2018197875A | 2018-12-13 |
Other References:
TAMURA SAKURAKO ; AKIRA NAGAI; KAZUHIRO HAYAKAWA: "On the Implementation of Functional Encryption on ARM Cortex-M", SUMMARIES OF 2018 SYMPOSIUM ON CRYPTOGRAPHY AND INFORMATION SECURITY - SCIS 2018, 23-26 JANUARY 2018, 23 January 2018 (2018-01-23), pages 1 - 8, XP009526325
AKIRA NAGAI; SAKURAKO TAMURA; KAZUHIRO HAYAKAWA: "On the Implementation of FSU Key Exchange on ARM Cortex-M", SUMMARIES OF 2018 SYMPOSIUM ON CRYPTOGRAPHY AND INFOMATION SECURITY - SCIS 2018, 23-26 JANUARY 2018, 23 January 2018 (2018-01-23), pages 1 - 8, XP009526326
SATO RYOTA, CHIKARA SAKAE, OKUDA TETSUYA, KAYAGUCHI SHIGERU: "A proposal of situation sensitive function controller for smart devices and its evaluation", TRANSACTIONS OF INFORMATION PROCESSING SOCIETY OF JAPAN, vol. 55, no. 1, 15 January 2014 (2014-01-15), pages 267 - 279, XP055784970, ISSN: 1882-7764
KOMATSUFUMIKO: "IPSJ Magazine", vol. 48, July 2017, NEC, article "Architecture for Privacy Protection", pages: 737 - 743
See also references of EP 3836482A4
AKIRA NAGAI; SAKURAKO TAMURA; KAZUHIRO HAYAKAWA: "On the Implementation of FSU Key Exchange on ARM Cortex-M", SUMMARIES OF 2018 SYMPOSIUM ON CRYPTOGRAPHY AND INFOMATION SECURITY - SCIS 2018, 23-26 JANUARY 2018, 23 January 2018 (2018-01-23), pages 1 - 8, XP009526326
SATO RYOTA, CHIKARA SAKAE, OKUDA TETSUYA, KAYAGUCHI SHIGERU: "A proposal of situation sensitive function controller for smart devices and its evaluation", TRANSACTIONS OF INFORMATION PROCESSING SOCIETY OF JAPAN, vol. 55, no. 1, 15 January 2014 (2014-01-15), pages 267 - 279, XP055784970, ISSN: 1882-7764
KOMATSUFUMIKO: "IPSJ Magazine", vol. 48, July 2017, NEC, article "Architecture for Privacy Protection", pages: 737 - 743
See also references of EP 3836482A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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