Key management device, system and method having a rekey mechanism

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United States of America Patent

PATENT NO 8886935
SERIAL NO

13069989

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Abstract

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According to some embodiments, a key management apparatus for deploying in a smart grid system adapted to receive metering data from smart meters connected to at least one relay via a network, includes: a key control mechanism that derives a key array of individual purpose specific keys from one master key such that the purpose specific key in the key array are each independent cryptographic keys for each specific usage in an application or for each application if there is only one specific usage in an application.

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Patent Owner(s)

  • TELCORDIA TECHNOLOGIES, INC.;KABUSHIKI KAISHA TOSHIBA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Das, Subir Piscataway, US 39 1304
Famolari, David Piscataway, US 46 1264
Kanda, Mitsuru Tokyo, JP 29 177
Ohba, Yoshihiro Tokyo, JP 59 1200

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