diff --git a/Makefile b/Makefile
index d46549e..3a5a040 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,8 @@ help: ## Print the help message
 		sort | \
 		column -s ':' -t
 
+include wg.mk
+
 .PHONY: check
 check: ## Check you have all dependencies
 	@command -v graph-easy >/dev/null || { echo "Install perl-graph-easy" && exit 1 ;}
diff --git a/wg.mk b/wg.mk
new file mode 100644
index 0000000..da7da0c
--- /dev/null
+++ b/wg.mk
@@ -0,0 +1,10 @@
+
+/etc/wireguard/dmz_private_key: | /bin/wg
+	$| genkey > $@
+	chmod 700 $@
+
+/etc/wireguard/dmz_public_key: /etc/wireguard/dmz_private_key | /bin/wg
+	$| pubkey < $< > $@
+
+.PHONY: wgkeys
+wgkeys: /etc/wireguard/dmz_public_key ## Create dmz-keys on your machine for wiregurd.