Kabushiki Kaisha Toshiba

Toshiba Digital Solutions Corporation

Katsuyuki Hanai

Yukio Kamatani

Hidemasa Itou

Masanori Tomoda

According to one embodiment, a quantum key delivery service platform includes a plurality of quantum key delivery devices and a management server. The server monitors a storage amount of the encryption keys in the plurality of quantum key delivery devices, records a consumption record of the encryption keys for each of the plurality of cryptographic communication devices, predicts a consumption amount of the encryption keys based on the consumption record of the encryption keys, and detects a sign of shortage of the encryption keys based on the storage amount of the encryption keys and a prediction result of the consumption amount of the cryptographic keys.

Quantum key delivery service platform

An information processing device of embodiments includes a data acquirer and a network processor. The data acquirer is configured to acquire graph structure data that includes a plurality of real nodes and one or more real edges connecting two of the plurality of real nodes. The network processor is configured to execute processing of propagating a feature amount of a k−1layer of each of a plurality of assumed nodes that include the plurality of real nodes and the one or more real edges at least to a feature amount of a klayer of another assumed node in a connection relationship with each of the assumed nodes in a neural network on the basis of the graph structure data acquired by the data acquirer. k is a natural number equal to or more than 1.

Information processing device, information processing method, and storage medium

An electronic exchange apparatus which is maintained by remote control based on information supplied from a maintenance terminal through a communications network, comprises a memory for storing called party number information representing a number for maintaining the electronic exchange apparatus and calling party number information representing a number of the maintenance terminal for allowing a maintenance operation, and a controller for, when a call is received from the communications network, detecting whether called party number information and calling party number information included in a message transmitted together with the call, coincide with the called party number information and the calling party number information stored in the memory, respectively, and for, when the information included in the message coincides with the information stored in the memory, recognizing the call as a maintenance call for maintaining the electronic exchange apparatus, thereby setting the electronic exchange apparatus in a maintenance mode.

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Tokyo, Japan

Katsuyuki Hanai