| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a fraudulent act without increasing a burden of a controller of each board.SOLUTION: An LSI T1 for communication includes: a reception part T2 such as a UART part T11 and an SPI1 part T12 for receiving processing data to be transmitted from a control board to the outside; a nonvolatile memory part T22 for storing a common key used for encryption in a rewritable manner; an encryption part T3 (AES part T21) for encrypting the processing data received by the reception part using the common key; and a transmission part T4 such as the UART part T11, the SPI1 part T12, and I2C part T16 for transmitting the processing data encrypted by the AES part T21.</p> |
