| 摘要 |
The disclosed information processing device is equipped with: a read-only first storage part that stores first data beforehand and restricts the first data from being read after a first event; a calculation part that performs encoding and/or decoding using key data and restricts changes to the key data to be used after a second event; a rewritable second storage part that has multiple storage areas having individually set access conditions and restricts changes to the access conditions after a third event; and an information processing part that performs information processing by controlling the first storage part, calculation part, and second storage part. |
