| 摘要 |
An information processing apparatus includes an encrypted authentication unit that obtains, as encrypted information, the estimated total capacity of a storage medium included in a removable storage device, which is the target of encrypted authentication, a storage use unit that obtains the total capacity of a storage medium to which data is written, and a determination unit that restricts the use by the storage use unit of the storage medium to which the data is written depending on whether the difference between the estimated total capacity and the total capacity is equal to or more than a predetermined threshold.
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