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Patent Searching and Data


Title:
FINANCIAL SYSTEM USING IC CARD
Document Type and Number:
Japanese Patent JP2005038222
Kind Code:
A
Abstract:

To provide a financial system using IC card capable of preventing the leak of authentication data to be transmitted when providing a financial service through a communication network.

This system comprises a server, a user terminal with an IC card reader/writer, and an IC card. The IC card has a storage means storing a secret key and a digital certificate, and a coding means. The IC card reader/writer has a means for reading the digital certificate and encrypted authentication data, and a means for transmitting the authentication data to the IC card. A communication terminal has a means for transmitting the digital certificate and the encrypted authentication data to the server. The server has a database registering account information, a decoding means, a collation means for collating decoded authentication data with registered authentication data, and a control means for performing processing a financial transaction service when the collation by the collation means is successful.


Inventors:
OSHIMA NAOYUKI
Application Number:
JP2003275074A
Publication Date:
February 10, 2005
Filing Date:
July 16, 2003
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G06K19/10; G06K17/00; G06Q10/00; G06Q20/10; G06Q20/34; G06Q20/40; G06Q40/00; G06Q40/02; G06Q50/00; G09C1/00; H04L9/32; (IPC1-7): G06F17/60; G06K17/00; G06K19/10; G09C1/00; H04L9/32
Attorney, Agent or Firm:
Satoshi Kanayama