User authentication system and method for controlling the same

Details User authentication system and method for controlling the same User authentication system and method for controlling the same

2004-09-30

2008-08-19

Song, Hosuk (Department: 2135)

Information security

Access control or authentication

C726S027000, C726S028000, C713S183000

Reexamination Certificate

active

07415720

ABSTRACT:
A user authentication system and method using a password. A method for performing an operation mode associated with a password in the system having a password setup function, includes the steps of setting up a general password for normal user authentication and an emergency password needed for an emergency operation mode, and storing them in a memory; and upon receiving a password from a user, performing the normal user authentication when the user-entry password matches the general password, and performing the emergency operation mode when the user-entry password matches the emergency password.

REFERENCES:
patent: 5892906 (1999-04-01), Chou et al.
patent: 2001/0036273 (2001-11-01), Yoshizawa
patent: 2003/0008672 (2003-01-01), Fujii
patent: 2003/0014751 (2003-01-01), Paek

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