Implemented a key class

GCryptLib/src/Key.cpp

@@ -0,0 +1,22 @@
+#include "GCrypt/Key.h"
+#include "GCrypt/GHash.h"
+#include "GCrypt/Util.h"
+
+namespace Leonetienne::GCrypt {
+
+  Key Key::FromPassword(const std::string& password) {
+    return GHash::CalculateHashsum(
+      StringToBits(password)
+    );
+  }
+
+  Key::Key() : Block() {
+  }
+
+  Key::Key(const Block& b) : Block(b) {
+  }
+
+  Key::Key(const Key& k) : Block(k) {
+  }
+}
+