Communication device, communication system, communication method, and computer program product

摘要

According to an embodiment, a communication device is connected to a first network and a second network. The communication device includes a generating unit and a converting unit. The generating unit is configured to generate a first set of route information that is route information of the first network. The converting unit is configured to convert the first set of route information, and generate a second set of route information that is route information of the second network.

主权项

1. A communication device connected to a first network in which nodes are connected and a second network in which the nodes are connected, the communication device comprising:
a generating unit configured to generate a first set of route information that is route information of the first network by communicating with nodes over the first network; a converting unit configured to convert the first set of route information to a second set of route information that is route information of the second network by converting at least a portion of addresses in the first set of route information, without communicating with nodes over the second network; and a storage configured to store key information that is consumed after every instance of data exchange, wherein the first network is used to share the key information between the nodes, the storage stores the key information that is shared by using the first network, and the second network is used for cryptographic communication between the nodes using the key information that is stored in the storage.