Title:
USER AUTHENTICATION SYSTEM, METHOD AND PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP3697212
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a user authentication system capable of performing the authentication in high safety.
SOLUTION: The user authentication system 10 comprises a authentication request receiving part 101 for receiving an ID key and an access number generated on the basis of an authentication terminal ID, a user unique key and a random number, and transmitted from an authentication terminal 30, a user inquiring part 102 for inquiring the ID key and the access number stored in an authentication information storing part 109, an authentication transmitting part 103 for transmitting a generation time information stored in relation to the ID key and the access number when the combination of the agreed ID key and access number exists, a use confirmation receiving part 104 for receiving the use confirmation key generated on the basis of the ID key and the generation time information from the authentication terminal 30, and a use confirmation collating part 105 for collating the received use confirmation key and the corresponding use confirmation key stored in the authentication information storing part 109.
Inventors:
Morita Kojiro
Shoji Konno
Shoji Konno
Application Number:
JP2002007586A
Publication Date:
September 21, 2005
Filing Date:
January 16, 2002
Export Citation:
Assignee:
NTT DoCoMo, Inc.
International Classes:
G06F21/31; G06F15/00; G06F21/32; H04L9/32; (IPC1-7): G06F15/00; H04L9/32
Domestic Patent References:
| JP2001312471A | ||||
| JP2000224162A | ||||
| JP2000322486A | ||||
| JP10274927A | ||||
| JP2003208405A | ||||
| JP2002344444A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Tomoya Kurokawa
Toyotaka Abe
Mamoru Suzuki
Shiro Terasaki
Tomoya Kurokawa
Toyotaka Abe
Mamoru Suzuki