build: suppress CryptoPP warnings

Change-Id: I52e93fb18c42cf72d73c4477dc4a8093a5221215
diff --git a/src/security/public-key.cpp b/src/security/public-key.cpp
index c8362af..f6b2fdf 100644
--- a/src/security/public-key.cpp
+++ b/src/security/public-key.cpp
@@ -10,9 +10,7 @@
 
 #include "public-key.hpp"
 
-#include <cryptopp/rsa.h>
-#include <cryptopp/base64.h>
-#include <cryptopp/files.h>
+#include "cryptopp.hpp"
 
 using namespace std;
 using namespace CryptoPP;