Returns the KeyPackageRef (MIP-00 i tag value) from a kind 443 or kind 30443 KeyPackage event.
i
Per MIP-00, new events MUST include this tag. Older events may not.
Returns the KeyPackageRef (MIP-00
itag value) from a kind 443 or kind 30443 KeyPackage event.Per MIP-00, new events MUST include this tag. Older events may not.