Added a memwipe() function to safely overwrite sensitive memory

src/libstrongswan/utils.c

@@ -99,6 +99,14 @@ void memxor(u_int8_t dst[], u_int8_t src[], size_t n)
 	}
 }
 
+/**
+ * Described in header.
+ */
+void memwipe_noinline(void *ptr, size_t n)
+{
+	memwipe_inline(ptr, n);
+}
+
 /**
  * Described in header.
  */