| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing device or the like capable of properly preventing estimation of a keyword and learning of frequency of appearance.SOLUTION: A server computer 1 includes: an acquisition part acquires encrypted file information corresponding to a keyword, an unused storage cell position for storing the encrypted file information in a storage part having a plurality of storage cells, and an unused encryption succeeding cell position succeeding the storage cell position; and a memory processing part which stores the acquired encrypted file information and encryption succeeding cell position in the storage cell position acquired by the storage part.SELECTED DRAWING: Figure 1 |
