INFORMATION PROCESSOR AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide an information processor capable of operating an operating system and encrypting a disk device in parallel.SOLUTION: The information processor executes processing for reading data newly written in a block again for encryption processing when the data is written in the block by a data write instruction from an operating system to the block by the time a result of the encryption processing is written in the block from which the data is read for the encryption processing.