Processing device, processing method, and non-transitory storage medium

A processing method performed by at least one processor, the method comprising:

• storing device-specific information in association with device identification information for identifying each of a plurality of devices, the plurality of devices comprising a first device;
• receiving an authentication key request, sent by a seller of the first device, including the device identification information of the first device;
• issuing an authentication key in response to the authentication key request, transmitting the issued authentication key as a response, and storing the issued authentication key in one or more memories in association with the device identification information of the first device included in the authentication key request;
• receiving a license key request, sent by a purchaser of the first device, including the device identification information of the first device and the authentication key;
• when the one or more memories store a combination of the device identification information of the first device and the authentication key included in the license key request, issuing a license key for receiving a predetermined service related to the first device, transmitting the issued license key as a response, and storing the issued license key in the one or more memories in association with the device identification information of the first device included in the license key request;
• and
• controlling revelation of the device-specific information of each device based on issuance states of the authentication key and the license key,
• wherein the controlling comprises:
• revealing the device-specific information of the first device in case that the authentication key is issued in response to the authentication key request sent by the seller of the first device, and
• setting the device-specific information of the first device not to be revealed in case that the license key is issued in response to the license key request sent by the purchaser of the first device after previously revealing the device-specific information.

A non-transitory computer readable medium having instructions stored therein, which when executed by a processor cause the processor to:

• store, in one or more memories, device-specific information in association with device identification information for identifying each of a plurality of devices, the plurality of devices comprising a first device;
• receive an authentication key request, sent by a seller of the first device, including the device identification information of the first device;
• issue an authentication key in response to the authentication key request, transmits the issued authentication key as a response, and store the issued authentication key in the one or more memories in association with the device identification information of the first device included in the authentication key request;
• receive a license key request, sent by a purchaser of the first device, including the device identification information of the first device and the authentication key;
• when the one or more memories store a combination of the device identification information of the first device and the authentication key included in the license key request, issue a license key for receiving a predetermined service related to the first device, transmit the issued license key as a response, and store the issued license key in the one or more memories in association with the device identification information of the first device included in the license key request;
• control revelation of the device-specific information of each device based on issuance states of the authentication key and the license key;
• reveal the device-specific information of the first device in case that the authentication key is issued in response to the authentication key request sent by the seller of the first device, and
• set the device-specific information of the first device not to be revealed in case that the license key is issued in response to the license key request sent by the purchaser of the first device after previously revealing the device-specific information.