Communication device and communication method for processing authentication information
A technology for communication devices and authentication information, which is applied to secure communication devices, user identity/authority verification, and key distribution, and can solve problems such as not being able to provide sufficient network security
Active Publication Date: 2020-06-30
FUJITSU LTD
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- Description
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- Application Information
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Problems solved by technology
Therefore, existing technologies do not provide adequate network security
Method used
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no. 3 approach
[0112] Although in Figure 13 to Figure 20C In the example shown, one representative node is implemented in each network, but the invention is not limited to this configuration. Multiple representative nodes can operate in parallel in each network to increase gateway processing capacity and network scalability.
[0113] Figure 21 An example of a configuration capable of realizing a plurality of representative nodes in a network is illustrated. In this example, multiple representative nodes are implemented in network A.
[0114] A communication device capable of operating on behalf of a node owns the token. Multiple tokens can be generated in the network. A single communication device can possess multiple tokens.
[0115] The token dynamically indicates whether the communication device is operating as a representative node. For example, the value of the token may be zero when the communication device is not operating as a representative node, and may be updated to 1 when...
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The invention discloses a communication device and communication method for processing authentication information. The communication device includes a monitor, a message transmitter, an authenticationinformation regenerator, an authentication information generator, and an authentication processor. The monitor monitors a first message that is periodically transmitted from a representative device in a first network. The message transmitter transmits a second message to the communication devices in the first network when the first message is not detected. When plural data components obtained bydividing authentication information have been distributed from the representative device to plural communication devices in the first network, the authentication information regenerator receives datacomponents transmitted from the communication devices in the first network in response to the second message and regenerates the authentication information from the specified number of data components. The authentication information generator generates new authentication information by rewriting at least a portion of the regenerated authentication information. The authentication processor connectsto the second network based on the new authentication information.
Description
technical field [0001] Embodiments discussed herein relate to a communication device and a communication method for processing authentication information. Background technique [0002] Techniques for interconnecting multiple networks are widely used. For example, networks implemented at multiple locations within a company can be interconnected. Alternatively, networks operated by multiple companies may be interconnected. Border Gateway Protocol (BGP) is known as the Internet Protocol (IP) used to connect networks to each other. [0003] When a plurality of networks are interconnected, a representative node is selected in each network. Delegate nodes operate as gateways. Thus, each network communicates with other networks via representative nodes. The representative node holds authentication information for performing communications with other networks. Delegate nodes connect to other networks by using authentication information. [0004] Meanwhile, data distribution n...
Claims
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IPC IPC(8): H04L9/08H04L9/32H04L29/06
CPCH04L9/085H04L9/0891H04L9/3226H04L63/0876H04L63/083H04L63/0823H04L63/0869H04L63/0428H04L63/065H04L63/164H04L9/0861H04L43/08H04L43/10H04L63/0853
Inventor 栗田敏彦
Owner FUJITSU LTD