Kabushiki Kaisha Toshiba

Toshiba Solutions Corporation

Daigo Yoshii

Akihiro Kasahara

Hideo Shimizu

Toru Kambayashi

Masao Suga

Takehisa Kato

Shingo Miyazaki

Kazuo Kimura

Akio Okazaki

Yasuhiko Suzuki

Sunao Wada

Naoki Endo

Kenichi Hiramatsu

Tomotaka Miyazaki

Akira Toshima

Koji Mikami

Isamu Saitou

Naohiko Murata

Koichi Noguchi

According to one embodiment, a forgetting to turn off power detection apparatus includes an outgoing determination unit that creates a power usage pattern based on electric energy that is calculated from past electric energy data in a consumer equipment, and determines whether or not a consumer has gone outside based on the power usage pattern. The forgetting to turn off power detection apparatus of the embodiments includes a forgetting to turn off power detection unit that receives current electric energy data in the consumer equipment, and detects forgetting to turn off power of an electric equipment of the consumer equipment based on the received electric energy data when the outgoing determination unit determines that the consumer has gone outside.

Forgetting to turn off power detection apparatus, forgetting to turn off power detection program, forgetting to turn off power detection method and detection system

Each embodiment of this invention implements step-by-step and empirical authentication of devices upon digital authentication among a plurality of devices. Each of a plurality of authentication devices of each embodiment can unidirectionally generate a hash value of a low experience rank from a hash value of a high experience rank, and receives a set of high experience rank and hash value in accordance with an experience. Upon receiving a certification request of the experience rank from another authentication device, the authentication device transmits a corresponding hash value to the authentication device as a request source. Upon sending a certification request of an experience rank to another authentication device, the authentication device verifies a hash value obtained from the other authentication device on the basis of a self hash value. In this way, the authentication devices authenticate each other's experience ranks.

System of authentication, apparatus, program and method

Growing community of inventors

Tokyo, Japan

Daigo Yoshii