+#include "proxmark3.h" //
+#include "apps.h"
+#include "util.h" //
+#include "string.h"
+#include "legic_prng.h" // legic PRNG impl
+#include "crc.h" // legic crc-4
+#include "ticks.h" // timers
+#include "legic.h" // legic_card_select_t struct
+
+extern void LegicRfSimulate(int phase, int frame, int reqresp);
+extern int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv);
+extern void LegicRfWriter(uint16_t offset, uint16_t byte, uint8_t iv);
+extern void LegicRfRawWriter(int address, int data, uint8_t iv);
+extern void LegicRfInfo(void);
+
+uint32_t get_key_stream(int skip, int count);
+void frame_send_tag(uint16_t response, uint8_t bits, uint8_t crypt);
+void frame_sendAsReader(uint32_t data, uint8_t bits);
+
+int legic_read_byte( uint16_t index, uint8_t cmd_sz);
+
+int legic_select_card(legic_card_select_t *p_card);
+int legic_select_card_iv(legic_card_select_t *p_card, uint8_t iv);
+void ice_legic_setup();