SYSTEM FOR PREVENTING CONFIDENTIAL INFORMATION LEAKAGE FROM SERVER SIDE

Japanese Patent JP2009053750

A

To provide a system for preventing confidential information leakage from a server side that can prevent confidential information leakage from servers such that clients can save confidential information in the servers securely, by disposing an encryption program and a decryption program in separate servers.

The system for preventing confidential information leakage from a server side communicatively connects a server 6 having a database 8 and having an encryption program 6d to encrypt confidential information and a decryption server 7 having a decryption program 7a to decrypt the encrypted confidential information, to a PC 2 for inputting or displaying confidential information. The PC 2 comprises means for downloading the encryption program 6d, means for encrypting user information with the encryption program 6d, means for downloading the decryption program 7a from the decryption server 7, and means for decrypting encrypted data received from the server 6 with the decryption program 7a.

JPS62259165	DOCUMENTATION DEVICE
JP4774626	Data transmitter, data receiver and communication system
JP2002271310	GENERATING DEVICE, CRYPTOGRAPHIC CODER, DECODER, GENERATING METHOD, CRYPTOGRAPHIC CODING METHOD, DECODING METHOD, PROGRAM, AND INFORMATION RECORDING MEDIUM

IKE MASATO

JP2007217241A

March 12, 2009

August 23, 2007

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HITACHI SOFTWARE ENG

G06F21/62; G06F21/00; G06F21/60; G09C1/00

JP2004252848A	2004-09-09
JP2002236618A	2002-08-23
JPH08272742A	1996-10-18

Takashiro Kojima
Noriko Kawai
Ikuo Kobayashi
Takuya Sato

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