| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a data protection system for achieving both keeping secret of confidential information for an online service provider and reduction in system operation costs to be absorbed by a service use organization. <P>SOLUTION: A browser of a client terminal includes a means for, when transmitting data to an online service server, acquiring an encryption script and a cryptographic key from a key management server through a service use organization network, and for acquiring the encrypted data of input data by executing the encryption script, and for transmitting the acquired encrypted data to the online service server, and for, when plotting a data display screen received from the online service server, acquiring a decryption script and the cryptographic key from the key management server, and for acquiring the decrypted data of display data by executing the decryption script, and for drawing the data display screen by using the decrypted data acquired by the means. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
