AUTHENTICATION DEVICE AND AUTHENTICATION SYSTEM PROVIDED WITH SAME

WIPO Patent Application WO/2014/010214

A1

[Problem] To provide an authentication device that makes it possible to prevent a leak of information used in authentication, and to prevent forgery in authentication. [Solution] Provided is an authentication device (2) that uses at least a portion of information for authentication to acquire secret information that is stored in a storage medium (L), said authentication device (2) being provided with: a distributed data storage unit (33) that stores first distributed data, which is a portion of distributed information obtained by distributing information for authentication; and a distributed information reconstruction unit (41) that acquires, from outside, second distributed data that is of the distributed information but is different from the first distributed data, and reconstructs information for authentication from the first and second distributed data.

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NISHITANI HIROYUKI
ISHIKAWA KOU

PCT/JP2013/004190

January 16, 2014

July 05, 2013

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PANASONIC CORP (JP)

G06F21/31; G06F21/32; G06F21/62; G06K17/00; G06Q50/28; G09C1/00

JP2005038139A	2005-02-10
JP2008065605A	2008-03-21
JP2006301992A	2006-11-02
JP2009181153A	2009-08-13
JP2007189590A	2007-07-26
JP2006236213A	2006-09-07
JP2005346489A	2005-12-15

OSHIMA & PARTNERS (JP)
Patent business corporation Oshima patent firm (JP)

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