CPC G06F 21/105 (2013.01) [H04L 9/0819 (2013.01); H04L 9/3236 (2013.01); G06F 2221/0768 (2013.01)] | 27 Claims |
1. A first information processing apparatus, comprising:
circuitry configured to:
generate first license communication information using first device information;
calculate a hash value of data in the first license communication information using a device unique key, wherein
the first device information is information including a first reference date and time, a device unique key, the hash value, and the data in the first license communication information,
the first reference date and time is a date and time set using a hardware clock of a first electronic device and is a date and time used for period management of a license,
the device unique key is a key unique to the first electronic device, and
the first license communication information is information including at least one of an effective term or an expiration time of the license and the first reference date and time;
transmit the first device information to a server;
request re-issuance of the license based on the transmitted first device information; and
receive a license communication file based on the requested re-issuance of the license, wherein the received license communication file includes an installation key for installation of the license in a second electronic device.
|