-#define STATE_FIRST_KEX 0 // Waiting for peer's ECDHE pubkey
-#define STATE_NORMAL 1
-#define STATE_WAIT_KEX 2 // Waiting for peer's ECDHE pubkey
-#define STATE_WAIT_ACK 3 // Waiting for peer's acknowledgement of pubkey reception
+#define SPTPS_KEX 0
+#define SPTPS_SECONDARY_KEX 1 // Waiting for peer's ECDHE pubkey
+#define SPTPS_SIG 2 // Waiting for peer's ECDHE pubkey
+#define SPTPS_ACK 3 // Waiting for peer's acknowledgement of pubkey reception
+
+#define SPTPS_HANDSHAKE 128
+#define SPTPS_VERSION 128
typedef bool (*send_data_t)(void *handle, const char *data, size_t len);
typedef bool (*receive_record_t)(void *handle, uint8_t type, const char *data, uint16_t len);
typedef bool (*send_data_t)(void *handle, const char *data, size_t len);
typedef bool (*receive_record_t)(void *handle, uint8_t type, const char *data, uint16_t len);
extern bool stop_sptps(sptps_t *s);
extern bool send_record(sptps_t *s, uint8_t type, const char *data, uint16_t len);
extern bool receive_data(sptps_t *s, const char *data, size_t len);
extern bool stop_sptps(sptps_t *s);
extern bool send_record(sptps_t *s, uint8_t type, const char *data, uint16_t len);
extern bool receive_data(sptps_t *s, const char *data, size_t len);