Information processing apparatus, server apparatus, and computer program product

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9876640
SERIAL NO

14556964

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Abstract

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In an embodiment, an information processing apparatus is connected to external apparatuses. The information processing apparatus includes:

    a device key storage unit configured to store a device key; a shared key storage unit configured to store one or more shared keys shared by the external apparatuses; a key generating unit configured to generate a media key from the device key and media key blocks; and an updating unit configured to generate the shared keys as generated shared keys, which is updated, based upon the media key and the shared keys stored in the shared key storage unit, and to store the generated shared keys into the shared key storage unit.

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First Claim

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanatani, Yoshikazu Kanagawa, JP 56 217
Inoue, Atsushi Kanagawa, JP 370 4853
Kambayashi, Toru Kanagawa, JP 68 1283

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