Patent ID: 9240882
Filing Date: 2016-01-19
CPC Classification: H04L

Claim Text:
1. A key generating device which is connected to an external device, comprising: a processor configured to a memory configured to store therein session information including a communication state and a request throughput that represents a usage frequency of the second key of one or more key-use-sessions established with respect to an application using the second encryption key, wherein the processor controls changing a generating frequency at which the second encryption key is generated and controls changing a transmitting/receiving frequency at which the second encryption key is transmitted or received, the control of said changing of the generating frequency and the control of said changing of the transmitting/receiving frequency being based on at least one of the number of key-use-sessions, each key-use-session having the communication state indicating a connected state and a total value of the request throughput that is requested for each of the key-use-sessions.