| 摘要 |
According to one embodiment, an information processing control method includes: receiving encrypted main video data obtained by encrypting main video data obtained by down-converting video data corresponding to an initial resolution of a content and encrypted sub video data obtained by encrypting sub video data as a difference between high-resolution video data obtained by up-converting the main video data and the video data corresponding to the initial resolution; acquiring a first encryption key corresponding to the encrypted sub video data; generating a second encryption key corresponding to the encrypted main video data from the first encryption key by using a one-way function; decoding the encrypted sub video data by using the first encryption key and decode the encrypted main video data by using the second encryption key generated; and processing each of the main video data and the sub video data obtained by decoding to generate the video data. |
