Add ISO/IEC 7816-4 padding implementation.

2026-06-18 01:28:38 +03:00
parent 5a16d154a2
commit eb3da5ff75
3 changed files with 165 additions and 0 deletions
@@ -0,0 +1,33 @@
+#ifndef CHAOS_PADDING_PADDERISO7816_HPP
+#define CHAOS_PADDING_PADDERISO7816_HPP
+
+#include <cstdint>
+
+#include "Padding/Padder.hpp"
+
+namespace Chaos::Padding
+{
+
+class PadderIso7816 : public Padder<PadderIso7816>
+{
+public:
+    template<typename OutputIt>
+    static void Pad(OutputIt begin, OutputIt end)
+    {
+        OutputIt it = begin;
+
+        if (it != end)
+        {
+            *it++ = static_cast<uint8_t>(0x80);
+
+            for (; it != end; ++it)
+            {
+                *it = 0;
+            }
+        }
+    }
+};
+
+} // namespace Chaos::Padding
+
+#endif // CHAOS_PADDING_PADDERISO7816_HPP