Stream encryption for BTP version 2. #111
This patch implements the stream header from the BTPv2 spec (https://code.briarproject.org/akwizgran/briar/wikis/BTP).
This merge request depends on !13 (merged).
This patch implements the stream header from the BTPv2 spec (https://code.briarproject.org/akwizgran/briar/wikis/BTP).
This merge request depends on !13 (merged).