Implemented authentication.

Near feature complete.

Field.cpp

@@ -0,0 +1,8 @@
+#include "Field.hpp"
+
+using namespace std;
+
+vector<uint8_t> beEncode(const uint8_t* val, const size_t byteCount)
+{
+	return { reverse_iterator<const uint8_t *>(val + byteCount), reverse_iterator<const uint8_t *>(val) };
+}