| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To backup and restore encrypted contents and to restore and reproduce the encrypted contents which are already acquired before a telephone number is deleted. <P>SOLUTION: In a mobile terminal MA, downloaded contents are stored while they are encrypted by a mobile equipment bind key for the mobile terminal MA. Also, when the encrypted contents are backup stored in a personal computer PC, the encrypted contents are converted into a state in which they are bound in terms of telephone number from the state in which they are bound in terms of mobile equipment. Moreover, in restoring the encrypted contents backup stored to a mobile terminal MB, the encrypted contents to be restored are converted into a state in which they are bound in terms of mobile equipment by the mobile terminal MB of a restore destination from the state in which they are bound in terms of telephone number. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
