Title:
個人認証システム、個人認証カードおよびセンタ装置
Document Type and Number:
Japanese Patent JP3564673
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a personal authentication system, personal authentication card and center equipment with which such a trouble that a password number is necessary to be secretly memorized, can be excluded and there is no danger for fingerprint information from being stolen from the card and cables. SOLUTION: A cryptographic key is generated 12 corresponding to the combination of read fingerprint information and the attribute of personal authentication card, prescribed information is enciphered 14 inside the personal authentication card by the enciphering key of this cryptographic key and the prescribed enciphered information, prescribed non-enciphered information and the ID of user corresponding to the read fingerprint are sent from terminal equipment to center equipment 40. On the other hand, the received prescribed enciphered information is deciphered 42 while using an open key corresponding to the ID of user received from terminal equipment 20, this prescribed deciphered information is compared with the received prescribed non-enciphered information and when both the information are equal to each other, it is judged that user is given personal authentication.
Inventors:
Masatsugu Takano
Gomi Japanese and Western
Takahiro Matsumura
Toshiaki Sugimura
Gomi Japanese and Western
Takahiro Matsumura
Toshiaki Sugimura
Application Number:
JP32646795A
Publication Date:
September 15, 2004
Filing Date:
November 21, 1995
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G06K17/00; G06K19/10; G06T7/00; H04L9/08; A61B5/117; H04L9/32; (IPC1-7): G06K17/00; A61B5/117; G06K19/10
Domestic Patent References:
| JP4303281A | ||||
| JP6162289A | ||||
| JP4256195A | ||||
| JP1161938A | ||||
| JP3104338A | ||||
| JP62233883A | ||||
| JP6259451A |
Attorney, Agent or Firm:
Shinichi Kawakubo