diff --git a/test/test.hpp b/test/test.hpp
index f7f071eba..0f4b4ab93 100644
--- a/test/test.hpp
+++ b/test/test.hpp
@@ -45,6 +45,19 @@ POSSIBILITY OF SUCH DAMAGE.
 #define EXPORT BOOST_SYMBOL_IMPORT
 #endif
 
+// the unit tests need access to these.
+// they are built into the unit test library as well.
+// not exported from libtorrent itself
+extern "C"
+{
+	int TORRENT_EXPORT ed25519_create_seed(unsigned char *seed);
+	void TORRENT_EXPORT ed25519_create_keypair(unsigned char *public_key, unsigned char *private_key, const unsigned char *seed);
+	void TORRENT_EXPORT ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *public_key, const unsigned char *private_key);
+	int TORRENT_EXPORT ed25519_verify(const unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *private_key);
+	void TORRENT_EXPORT ed25519_add_scalar(unsigned char *public_key, unsigned char *private_key, const unsigned char *scalar);
+	void TORRENT_EXPORT ed25519_key_exchange(unsigned char *shared_secret, const unsigned char *public_key, const unsigned char *private_key);
+}
+
 void EXPORT report_failure(char const* err, char const* file, int line);
 
 #if defined(_MSC_VER)