| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a system and method for prevention of data leakage, capable of preventing leakage of currently recorded data. <P>SOLUTION: It is a controller which controls a storage device which decrypts the data and memorizes it in a storage area based on an encryption key, while encrypting the data memorized in the storage area based on the encryption key. It has an information generating part which generates information different from the time of last input of a power supply as change information by input of the power supply of the storage device, and an encryption key generation section which generates the encryption key based on the change information generated by the information generating part. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
