generate a random login key to be used for session validation

src/utilities.cpp

@@ -295,6 +295,14 @@ namespace Utilities {
             loggedIn = true;
         return loggedIn;
     }
+
+    /*
+     * Generates a hash based on a combination of 2 random salts
+     */
+    std::string generateLoginKeyValue() {
+        return hashPassword(generateSalt(), generateSalt());
+    }
+
     /*
      * Generates a secure cookie
      */