1 files changed, 2 insertions, 0 deletions
diff --git a/src/signer.cc b/src/signer.cc
index 9aebd39d..f15f5325 100644
--- a/src/signer.cc
+++ b/src/signer.cc
@@ -21,12 +21,14 @@
 #include <xmlsec/xmldsig.h>
 #include <xmlsec/dl.h>
 #include <xmlsec/app.h>
+#include <xmlsec/crypto.h>
 #include <libcxml/cxml.h>
 #include "signer.h"
 #include "exceptions.h"
 
 using std::string;
 using std::list;
+using std::cout;
 using boost::shared_ptr;
 using namespace libdcp;