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Title:
AUTHENTICATION DEVICE USING INTRINSIC RANDOM NUMBER GENERATING ELEMENT OR PSEUDO-RANDOM NUMBER GENERATING ELEMENT, AUTHENTICATION APPARATUS, AND AUTHENTICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2007/132946
Kind Code:
A1
Abstract:
An authentication device using an intrinsic or pseudo-random number generating element, for example, a USB token, an authentication apparatus using this, an authentication method, and authentication system. In an authentication system, an authentication device is prepared on the user side, and one of two codes generated in the authentication device is used to encrypt the other code. The authentication apparatus registers the codes and decrypts the encrypted code sent from the authentication device by using the registered codes to perform authentication.

Inventors:
KAMEDA OSAMU (JP)
SATO MASAKAZU (JP)
Application Number:
PCT/JP2007/060471
Publication Date:
November 22, 2007
Filing Date:
May 16, 2007
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Assignee:
KAMEDA OSAMU (JP)
SATO MASAKAZU (JP)
International Classes:
H04L9/32; G06F21/44; G06F21/45; G06F21/60; G06F21/62; G09C1/00
Foreign References:
JP2000101564A2000-04-07
JP2006018545A2006-01-19
JP2005174113A2005-06-30
JP2002300151A2002-10-11
JP2002261755A2002-09-13
JP2926539B21999-07-28
JP2006136484A2006-06-01
JP2006202895A2006-08-03
Other References:
See also references of EP 2026494A4
Attorney, Agent or Firm:
OKABE, Masao et al. (Fuji Bldg. 2-3, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, JP)
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