| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a convenient update program for both a user and a software provider. <P>SOLUTION: This update program 1 is provided with a check means 11 for determining whether or not package software 3 stored in the terminal of a user is the target of update, and for starting a decoding key decrypting means 23, a backup means 13 for backing up the package software 3 and a re-packaging means 15 for encrypting new software 41 sent by a software provider by using a decoding key 8 decrypted by the decoding key decrypting means 23 when use conditions relating to update are satisfied, and for packaging the new software 41 with package identification information 35 and for replacing it with the package software 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
