Patent ID: 9709970
Date: 2017-07-18
CPC Classifications: G05B,G06F

Claim:
1. A security management system comprising: a control device comprising: a data generation device that generates a license file or a security code; and a terminal device that writes the license file generated by the data generation device in the hardware key, wherein the hardware key stores the license file including the password and an expiration date, the first security management unit prohibits the operation input in the first maintenance mode if at least one of the following is satisfied: an input password is not the password included in the license file; and date information output from an electronic calendar is after the expiration date of the license file, the nonvolatile storage unit has a unique identifier, the second security management unit acquires the security code including an identifier for comparison and an expiration date, and prohibits the operation input in the second maintenance mode if at least one of the following is satisfied: the unique identifier of the nonvolatile storage unit does not coincide with the identifier for comparison of the security code; and the date information output from the electronic calendar is after the expiration date of the security code, and the data generation device includes a user information storage unit that stores a reliability for each user, the reliability being based on an amount of time the user has been registered or a history of the user, and extends the expiration date included in the license file or the security code as the reliability of the user that requests the license file or the security code gets higher.