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Title:
電子投票用パスワード認証システムおよび電子投票用パスワード認証方法
Document Type and Number:
Japanese Patent JP4328768
Kind Code:
B2
Abstract:

To provide an election management terminal apparatus, a method of providing a password for electronic voting, an authentication system and an authentication method by which the leakage of the password for electronic voting can be prevented, and an elector can surely recognize the password for electronic voting.

A share image file generation part 10d generates a plurality of share image files from a password for electronic voting by a designated visual decoding type secret distribution method, and any share image file is applied to a postal matter addressed to an elector by a mail postcard attaching part 10g, and the other share image files are transmitted to a voting terminal 20 of the elector by a providing part 10i. The selector performs a simple operation to overlap the mailed share image file and the share image file transmitted to the terminal equipment of the elector to acquire the password for electronic voting.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Yuki Higuchi
Noriko Amase
Atsushi Kitazawa
Application Number:
JP2006000117A
Publication Date:
September 09, 2009
Filing Date:
January 04, 2006
Export Citation:
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Assignee:
NEC Soft Co., Ltd.
International Classes:
G06F21/31; G06F21/62; G06Q10/00; G06Q50/00; G06Q50/10; G06Q50/34; G06T1/00; G07C13/00; G09C1/00; H04L9/32; H04N1/387
Domestic Patent References:
JP2002342527A
JP2001331450A
JP2001331731A
JP2004093815A
Other References:
Duong Quang Viet, Kaoru Kurosawa,Almost Ideal Contrast Visual Cryptography with Reversing ,SCIS 2004: The 2004 Symposium on Cryprography and Information Security,2004年
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata