| 摘要 |
A content download system includes a content providing apparatus providing content and a content receiving apparatus receiving the content from the content providing apparatus via a network. The content receiving apparatus includes an operation input unit, a downloader obtaining download control data and downloading encrypted content and play control data, an obtaining unit obtaining a license including a key for decrypting the encrypted content, checking the license based on the play control data, and re-obtaining the license according to a checking result, and a player decrypting and playing the encrypted content using the license. The content providing apparatus includes a control-data providing unit providing the download control data and the play control data to the content receiving apparatus, a content providing unit providing encrypted content, and a license providing unit providing the license based on the download control data and the license based on the play control data. |
