diff --git a/Makefile b/Makefile
index 37ed545..601bec9 100644
--- a/Makefile
+++ b/Makefile
@@ -35,3 +35,6 @@ git:
 	ln -s $(PWD)/.gitconfig ~ || true
 	ln -s $(PWD)/.gitignore ~ || true
 
+completion:
+	sudo mkdir -p /etc/bash_completion.d && \
+	sudo ln -s $(PWD)/etc/bash_completion.d/all /etc/bash_completion.d
diff --git a/scripts/cryptography/message/init.sh b/scripts/cryptography/message/init.sh
new file mode 100644
index 0000000..e69de29