| 摘要 |
A content control device (1) for performing playback control and protection of a pay content includes a license management unit (69) that executes an accounting process for a user after a mobile terminal (10) completes reception of the pay content, an accounting completion determination unit (70) that determines whether accounting has completed, a S1 encryption unit (65) that encrypts the pay content received by the mobile terminal (10) and stores it as a first encrypted content, and a S2 encryption unit (68) that, when accounting on the pay content has completed, decrypts the first encrypted content, encrypts the pay content by a method different from the S1 encryption unit (65), and stores it as a second encrypted content, and when a request for playback of the pay content is made, the second encrypted content is decrypted and provided to the mobile terminal (10). |
