[tcpm] tcp-auth-opt issue: reserved keyID value

Joe Touch <touch@ISI.EDU> Wed, 30 July 2008 22:58 UTC

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Date: Wed, 30 Jul 2008 15:58:06 -0700
From: Joe Touch <touch@ISI.EDU>
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Subject: [tcpm] tcp-auth-opt issue: reserved keyID value
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Ran suggested that some implementations would benefit from reserving a
keyID as invalid (e.g., keyID 0):

This assists the efficiency of some implementations.

This also adds an additional requirement (e.g., keyID 0 MUST not be
used) which must be validated during conformance testing.

Comments on additional pros and cons would be useful. Examples of how
this might impact implementation efficiency would be particularly useful
(esp. if not encumbered)


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