1. If PcdMaxAuthVariableSize is set to 0, keep current behavior as is and PcdMaxVariableSize used. 2. If PcdMaxAuthVariableSize is set to non 0, it will work on authenticated variables. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17610 6f19259b-4bc3-4df7-8a09-765794883524