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Title:
個人認証方法および書き込み制御方法
Document Type and Number:
Japanese Patent JP4299635
Kind Code:
B2
Abstract:

To enhance security in use of an information processing terminal.

A recording medium (30) stores data for authentication (32), volume information (35) and checking data for authentication (33) to be a hash value using the data for authentication (32) and the volume information (35). A data processor (10) has a storage device (20) in which data for checking (22) corresponding to the data for authentication (32), a volume information (35) and checking data for checking (23) to be a hash value using the data for checking (22) and the volume information (25). The data processor (10) has an authentication processing part (10a) performing authentication determination by using the data for authentication (32) in the recording medium (30) and the data for checking (22) in the storage device (20).

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Seri Kaichi
Hiroshi Fujisaki
Minoru Nagasaki
Application Number:
JP2003369161A
Publication Date:
July 22, 2009
Filing Date:
October 29, 2003
Export Citation:
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Assignee:
nec System Technology Co., Ltd.
International Classes:
G06F1/00; G06F21/31; G06F15/00; G06F21/33; G06F21/34; H04L9/32
Domestic Patent References:
JP2002300298A
JP2003271908A
JP2003150559A
JP2002063139A
JP7287655A
JP10254784A
JP11041230A
Attorney, Agent or Firm:
Jyohei Yamashita
Michio Nagai