diff --git a/LICENSES/LicenseRef-pycrypto-orig.txt b/LICENSES/LicenseRef-pycrypto-orig.txt
new file mode 100644
index 00000000..cb143211
--- /dev/null
+++ b/LICENSES/LicenseRef-pycrypto-orig.txt
@@ -0,0 +1,3 @@
+Distribute and use freely; there are no restrictions on further
+dissemination and usage except those imposed by the laws of your
+country of residence.
diff --git a/Makefile.am b/Makefile.am
index 0b1b79de..2a6778d1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,6 +16,7 @@ EXTRA_DIST =			\
 	LICENSES/Apache-2.0.txt	\
 	LICENSES/GPL-2.0-or-later.txt	\
 	LICENSES/LicenseRef-GAP.txt	\
+	LICENSES/LicenseRef-pycrypto-orig.txt	\
 	LICENSES/MIT.txt	\
         NEWS.pre-1-0            \
         NEWS.pre-1-2		\
diff --git a/dbus/dbus-sha.c b/dbus/dbus-sha.c
index 6ff2f077..effce82c 100644
--- a/dbus/dbus-sha.c
+++ b/dbus/dbus-sha.c
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 2003 Red Hat Inc.
  * Copyright (C) 1995 A. M. Kuchling
+ * SPDX-License-Identifier: (AFL-2.1 OR GPL-2.0-or-later) AND LicenseRef-pycrypto-orig
  *
  * Licensed under the Academic Free License version 2.1
  *