Hi Wenyi, I have sent patch for review and get some comments. https://edk2.groups.io/g/devel/message/61324 And I still need some time to enhance this patch. Thanks Zhiguang

Hi, Matthew, I notice the below change has broken Intel platform build or module build whichever uses OpensslLib(Crypto).inf, because it can't find the new dependency RngLib I understand there may be