産業用制御システム冗長通信/制御モジュール認証

Japanese Patent JP6425984

B2

A set of redundant industrial control system communications/control modules includes at least a first communications/control module and a second communications/control module. The first and second communications/control modules are configured to perform an authentication sequence including: transmitting a request datagram from the first communications/control module to the second communications/control module, the request datagram including a first nonce, a first device authentication key certificate, and a first identity attribute certificate; transmitting a response datagram from the second communications/control module to the first communications/control module, the response datagram including a second nonce, a first signature associated with the first and second nonces, a second device authentication key certificate, and a second identity attribute certificate; and transmitting an authentication datagram from the first communications/control module to the second communications/control module when the response datagram is valid, the authentication datagram including a second signature associated with the first and second nonces.

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Timothy Krish
Samuel Garpin
James G. Calvin
Albert Ruyackers

JP2014243828A

November 21, 2018

December 02, 2014

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Bedlock Automation Platforms, Inc.

H04L9/32; G05B9/03; G09C1/00

JP9074408A
JP11312111A
JP2003110576A
JP2008022526A
JP2006154997A
JP2001357373A

US20090217043
US20130346753

Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Naoki Kazuma

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