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Re: Counter Mode: Proposed Way Forward
>>>>> "Russ" == Russ Housley <housley@vigilsec.com> writes:
Russ> Paul: We could do that, but I am hoping that people will be
Russ> interested in CCM once the new ESP gets rolling. CCM uses the
Russ> flags field, but it cannot be zero. This would make it very
Russ> easy for an implementation to support CCM and this counter mode
Russ> specification too.
It's hard to comment specifically since I don't know what CCM is or
where to get a spec for it.
Would CCM be a different transform? I assume yes. If so, then it has
its own encoding rules. There's no reason for transform X to
incorporate a field that's only used in transform Y (X != Y).
paul