Add support for decrypting and saving KeeLoq signals for SubGhzD (#2982)

firmware/application/keeloq_keystore.hpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2026 lifegame1lu111
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __KEELOQ_KEYSTORE__
+#define __KEELOQ_KEYSTORE__
+
+#include "file_reader.hpp"
+#include "file_path.hpp"
+#include "string_format.hpp"
+#include <string_view>
+
+#define KEELOQ_SIMPLE_LEARNING 1
+#define KEELOQ_NORMAL_LEARNING 2
+
+struct KeeloqKey {
+    std::string mf_name{};
+    uint64_t key = 0;
+    uint8_t type = 0;
+};
+
+class KeeloqKeystore {
+   public:
+    KeeloqKeystore();
+
+    const std::vector<KeeloqKey>& get_keys() const;
+
+   private:
+    std::vector<KeeloqKey> keys{};
+};
+
+#endif