diff --git a/adduser.sh b/adduser.sh
new file mode 100644
index 0000000..5a71cfe
--- /dev/null
+++ b/adduser.sh
@@ -0,0 +1,11 @@
+echo "Enter username"
+read username
+if grep "^"$username":" /etc/ipsec.d/passwd
+then
+  echo "username exist"
+  exit 1
+fi
+echo "Enter password"
+read password
+password=$(openssl passwd -1 "$password")
+echo $username":"$password":xauth-psk" >> /etc/ipsec.d/passwd