Kabushiki Kaisha Toshiba

Yoshiyuki Tsuzuki

Go Fujino

Takashi Nishimura

Eiji Tokita

Isao Takeyasu

Masaaki Miki

Masato Shimano

According to one embodiment, a device includes a first acquisition processing module, a touchscreen display, a display processing module, a second acquisition processing module, and a request processing module. The first acquisition processing module acquires first content from a first delivery device. The display processing module displays content based on the first content on the touchscreen display. The second acquisition processing module acquires second content from a second delivery device based on data included in the first content, when a predetermined operation is executed for the touchscreen. The request processing module requests an output processing device corresponding to the second content to execute output processing based on the second content.

Electronic book with extra free content

According to one embodiment, an apparatus includes a permission/inhibition information storage which stores a permission/inhibition information file, a changer which changes a first encryption key of a first private key encrypted with the first public key to the second public key by using the first re-encryption key, a first storage which stores a second private key in a device private key temporary storage, a second storage which stores a second re-encryption key in a re-encryption key storage, a permission/inhibition information registration module which registers second permission/inhibition information in the permission/inhibition information file, and a transmitter which transmits the second private key in the re-encryption key storage to the second terminal.

Key change management apparatus and key change management method

Growing community of inventors

Sagamihara Kanagawa, Japan

Yoshiyuki Tsuzuki