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Title:
SECRET CALCULATION SYSTEM AND RELAY DEVICE, AND METHOD, PROGRAM, AND STORAGE MEDIUM THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/056473
Kind Code:
A1
Abstract:
The present invention is provided with a relay device 12 that: forwards, to a plurality of secret calculation devices, a plurality of original data fragments corresponding to a plurality of secret dispersion values of the original data; forwards, to each of the secret calculation devices, a transmission request for result fragments on the basis of a secret calculation result corresponding to one of the original data fragments; and forwards the result fragments. The relay device 12 controls the timing for forwarding original data fragments and the timing for forwarding transmission requests.

Inventors:
TAKIGUCHI, Hiroyoshi (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
KIRIBUCHI, Naoto (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
MIYATA, Teruko (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
Application Number:
JP2015/078009
Publication Date:
April 14, 2016
Filing Date:
October 02, 2015
Export Citation:
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Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
International Classes:
G09C1/00; G06F21/60
Domestic Patent References:
WO2015114947A12015-08-06
Foreign References:
JP2003345679A2003-12-05
JP2013026954A2013-02-04
Other References:
KOJI CHIDA ET AL.: "Kokimitsu Data mo Anzen ni Niji Riyo Kano na 'Himitsu Keisan Gijutsu", NTT GIJUTSU JOURNAL, vol. 26, no. 3, 1 March 2014 (2014-03-01), pages 67 - 70, XP009501765, ISSN: 0915-2318
SHINJI KITAGAMI ET AL.: "A Proxy Communication Method in Machine to Machine System to Enable the Device Connection to Different Multiple Services and its Implementation", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN . C, A PUBLICATION OF ELECTRONICS, INFORMATION AND SYSTEMS SOCIETY, vol. 132, no. 4, 1 April 2012 (2012-04-01), pages 516 - 525, XP009501766, ISSN: 0385-4221
See also references of EP 3185234A4
Attorney, Agent or Firm:
NAKAO, Naoki et al. (6th Floor, Shinjuku NSO Building 1-22, Shinjuku 3-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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