diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..d85c9a1
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+    echo "usage: $(basename ${0}) <ascii armor key file>"
+    exit 1
+fi
+
+set -x
+
+asc_key="$1"
+
+./asc2qr.sh "${asc_key}"
+
+./qr2asc.sh QR*.png
+
+diff "${asc_key}" "./mykey.asc"
+if [ $? -eq 0 ]; then
+    echo "Diff Test: PASS"
+else
+    echo "Diff Test: FAIL"
+fi
+
+rm ./QR*.png
+rm ./mykey.asc