-KEY_FILE = ../../msfinal.pub
-SIGN_FLAGS = /delaysign /keyfile:$(KEY_FILE) /nowarn:1616,1699
-LIB_REFS = System.Core
+KEYFILE = ../../msfinal.pub
+SIGN_FLAGS = /delaysign /nowarn:1616,1699
+LIB_REFS = System.Core Facades/System.Security.Cryptography.Algorithms