diff --git a/p7m-to-pdf.sh b/p7m-to-pdf.sh
new file mode 100755
index 0000000..39cae37
--- /dev/null
+++ b/p7m-to-pdf.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+openssl smime -decrypt -verify -inform DER -in "$1" -noverify -out "$1.pdf"