Electronic key management using PKI to support group key establishment in the tactical environment
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United States of America Patent
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Oct 28, 2014
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app pub date -
Feb 8, 2013
filing date -
Feb 8, 2013
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Abstract
Method for distributing a group session cryptographic key includes initiating at least one pairwise key distribution session including a root node (100) and at least one communication node (101-107). The method further includes performing at a communication node which has received the group session cryptographic key a propagated pairwise key distribution session with at least one of the communication nodes which has not previously received said group session cryptographic key. The propagated pairwise key distribution sessions are performed at each of the communication nodes which subsequently receives the group session cryptographic key until the group session cryptographic key has been securely provided to all authorized communication nodes.
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