| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem of security vulnerability when a communication key is leaked.SOLUTION: When a result of authentication by a communication control IC authentication sequence between an SC (Security Chip) 325b and a communication control IC 325a is successful, a game device executes a game device chip information authentication sequence, then generates a communication key to perform encryption communication between the SC 325b and the communication control IC 325a. |
