Make sure we have a recipient cert when making KDMs.

diff --git a/src/dcp.cc b/src/dcp.cc
index b3048bae0475fe8b54d7da778c049864d9f4d8ad..73c8a2cd422433c2b65fdac993f23698b4cd618a 100644 (file)
--- a/src/dcp.cc
+++ b/src/dcp.cc
@@ -584,6 +584,8 @@ CPL::make_kdm (
        boost::posix_time::ptime until
        ) const
 {
+       assert (recipient_cert);
+       
        shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
        xmlpp::Element* root = doc->create_root_node ("DCinemaSecurityMessage");
        root->set_namespace_declaration ("http://www.smpte-ra.org/schemas/430-3/2006/ETM", "");