all core functionality *works*

fido2/storage.h

@@ -0,0 +1,38 @@
+#ifndef _STORAGE_H
+#define _STORAGE_H
+
+#include "ctap.h"
+
+#define KEY_SPACE_BYTES     128
+#define MAX_KEYS            (KEY_SPACE_BYTES/1)
+
+#define BACKUP_MARKER       0x5A
+#define INITIALIZED_MARKER  0xA5
+
+#define ERR_NO_KEY_SPACE    (-1)
+#define ERR_KEY_SPACE_TAKEN (-2)
+#define ERR_KEY_SPACE_EMPTY (-2)
+
+typedef struct
+{
+    // Pin information
+    uint8_t is_initialized;
+    uint8_t is_pin_set;
+    uint8_t pin_code[NEW_PIN_ENC_MAX_SIZE];
+    uint8_t remaining_tries;
+
+    uint16_t key_lens[MAX_KEYS];
+    uint8_t key_space[KEY_SPACE_BYTES];
+} AuthenticatorState;
+
+
+typedef struct
+{
+    uint32_t addr;
+    uint8_t * filename;
+    uint32_t count;
+} AuthenticatorCounter;
+
+extern AuthenticatorState STATE;
+
+#endif