diff --git a/core/Makefile b/core/Makefile
index 04fab18..36d53e1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -243,6 +243,22 @@
 build_desc :=
 
 # -----------------------------------------------------------------
+# vendor build.prop
+#
+# For verifying that the vendor build is what we thing it is
+ifdef BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE
+INSTALLED_VENDOR_BUILD_PROP_TARGET := $(TARGET_OUT_VENDOR)/build.prop
+ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_VENDOR_BUILD_PROP_TARGET)
+$(INSTALLED_VENDOR_BUILD_PROP_TARGET): $(INSTALLED_BUILD_PROP_TARGET)
+	@echo Target vendor buildinfo: $@
+	@mkdir -p $(dir $@)
+	$(hide) echo > $@
+	$(hide) echo ro.vendor.build.date=`date`>>$@
+	$(hide) echo ro.vendor.build.date.utc=`date +%s`>>$@
+	$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT)">>$@
+endif
+
+# -----------------------------------------------------------------
 # sdk-build.prop
 #
 # There are certain things in build.prop that we don't want to