PadderIso7816: Do not allow to pad empty ranges.

Chaos/Padding/PadderIso7816.hpp

@@ -7,6 +7,7 @@
 
 #include "Padding/Padder.hpp"
 #include "Service/Branchless.hpp"
+#include "Service/ChaosException.hpp"
 
 namespace Chaos::Padding
 {
@@ -28,6 +29,10 @@ public:
                 *it = 0;
             }
         }
+        else
+        {
+            throw Service::ChaosException("PadderIso7816::Pad(): invalid range");
+        }
     }
 
     struct ComputeUnpadResult