Electronic device, information processing apparatus, information processing method, and information processing system

An information processing method, comprising:

• controlling, by a first information processing apparatus, reception of device information of an electronic device, wherein
• the device information includes a first device unique key, and
• the first device unique key is unique to the electronic device;
• generating, by the first information processing apparatus, a first installation key, wherein the first installation key is for installation of a license to the electronic device;
• controlling, by the first information processing apparatus, a storage device to store a combination of the first device unique key and the first installation key;
• controlling, by the first information processing apparatus, reception of license return information from a second information processing apparatus, wherein the received license return information includes installation key information, data, and a first hash value of the data;
• determining, by the first information processing apparatus, a combination of a second device unique key corresponding to the license return information and a second installation key corresponding to the installation key information in the license return information coincides with the stored combination of the first device unique key and the first installation key;
• generating, by the first information processing apparatus, a second hash value of the data in the received license return information based on the first device unique key;
• determining, by the first information processing apparatus, the generated second hash value of the data coincides with the first hash value of the data;
• determining, by the first information processing apparatus, that the received license return information is valid based on the determination that the generated second hash value coincides with the first hash value;
• and
• updating, by the first information processing apparatus, information of a status of the license based on:
• the determination that the received license return information is valid, and
• the first installation key that coincides with the second installation key corresponding to the installation key information.

A non-transitory computer-readable medium having stored thereon, computer-executable instructions which, when executed by a processor of a first information processing apparatus, cause the processor to execute operations, the operations comprising:

• controlling reception of device information of an electronic device, wherein
• the device information includes a first device unique key, and
• the first device unique key is unique to the electronic device;
• generating a first installation key, wherein the first installation key is for installation of a license to the electronic device;
• controlling a storage device to store a combination of the first device unique key and the first installation key;
• controlling reception of license return information from a second information processing apparatus, wherein the received license return information includes installation key information, data, and a first hash value of the data;
• determining a combination of a second device unique key corresponding to the license return information and a second installation key corresponding to the installation key information in the license return information coincides with the stored combination of the first device unique key and the first installation key;
• generating a second hash value of the data in the received license return information based on the first device unique key;
• determining the generated second hash value of the data coincides with the first hash value of the data;
• determining that the received license return information is valid based on the determination that the generated second hash value coincides with the first hash value;
• and
• updating information of a status of the license based on:
• the determination that the received license return information is valid, and
• the first installation key that coincides with the second installation key corresponding to the installation key information.

An electronic device, comprising:

• a central processing unit (CPU) configured to:
• generate a device unique key unique to the electronic device;
• control reception of an installation key from a first information processing apparatus, wherein the installation key is for installation of a license;
• generate data based on the installation key;
• generate a hash value of the data based on the device unique key;
• generate license return information that includes the hash value of the data and installation key information corresponding to the received installation key, wherein the generated license return information is for returning the license to the first information processing apparatus;
• and
• control a storage device to store the generated license return information.

An information processing method, comprising:

• generating, by an electronic device, a device unique key unique to the electronic device;
• controlling, by the electronic device, reception of an installation key from an information processing apparatus, wherein the installation key is for installation of a license;
• generating, by the electronic device, data based on the installation key;
• generating, by the electronic device, a hash value of the data based on the device unique key;
• generating, by the electronic device, license return information that includes the hash value of the data and installation key information corresponding to the received installation key, wherein the generated license return information is for returning the license to the information processing apparatus;
• and
• controlling, by the electronic device, a storage device to store the generated license return information.

A non-transitory computer-readable medium having stored thereon, computer-executable instructions which, when executed by a processor of an electronic device, cause the processor to execute operations, the operations comprising:

• generating a device unique key unique to the electronic device;
• controlling reception of an installation key from an information processing apparatus, wherein the installation key is for installation of a license;
• generating data based on the installation key;
• generating a hash value of the data based on the device unique key;
• generating license return information that includes the hash value of the data and installation key information corresponding to the received installation key, wherein the generated license return information is for returning the license to the information processing apparatus;
• and
• controlling a storage device to store the generated license return information.

An information processing system, comprising:

• an electronic device that includes a first central processing unit (CPU);
• a first information processing apparatus;
• and
• a second information processing apparatus that includes a second CPU, wherein
• the first CPU is configured to:
• generate a first device unique key unique to the electronic device;
• receive a first installation key from the second information processing apparatus for installation of a license to the electronic device;
• generate data based on the first installation key;
• and
• generate license return information that includes installation key information corresponding to the received first installation key, the data, and a first hash value of the data,
• the first information processing apparatus is configured to transmit the license return information to the second information processing apparatus, and
• the second CPU is configured to:
• generate a second installation key for installation of the license to the electronic device;
• control a storage device to store a combination of a second device unique key of the electronic device and the second installation key;
• control reception of the license return information from the first information processing apparatus;
• determine that a combination of the first device unique key corresponding to the received license return information and the first installation key corresponding to the installation key information in the received license return information coincides with the stored combination of the second device unique key and the second installation key;
• generate a second hash value of the data in the received license return information based on the stored second device unique key;
• determine the generated second hash value of the data coincides with the first hash value of the data;
• determine that the received license return information is valid based on the determination that the generated second hash value coincides with the first hash value;
• and
• update information of a status of the license based on:
• the determination that the received license return information is valid, and
• the second installation key that coincides with the first installation key corresponding to the installation key information.