diff --git a/bin/generate-defuse-key b/bin/generate-defuse-key
new file mode 100755
index 0000000..24e31b5
--- /dev/null
+++ b/bin/generate-defuse-key
@@ -0,0 +1,14 @@
+#!/usr/bin/env php
+<?php
+
+use Defuse\Crypto\Key;
+
+foreach ([__DIR__ . '/../../../autoload.php', __DIR__ . '/../vendor/autoload.php'] as $file) {
+    if (file_exists($file)) {
+        require $file;
+        break;
+    }
+}
+
+$key = Key::createNewRandomKey();
+echo $key->saveToAsciiSafeString(), "\n";
diff --git a/composer.json b/composer.json
index b02eb21..ca54af5 100644
--- a/composer.json
+++ b/composer.json
@@ -27,5 +27,8 @@
     },
     "require-dev": {
         "nikic/php-parser": "^2.0"
-    }
+    },
+    "bin": [
+        "bin/generate-defuse-key"
+    ]
 }