Momentum-Apps/scenes/esubghz_chat_key_share_popup.c

#include "../esubghz_chat_i.h"

static void prepare_nfc_dev_data(ESubGhzChatState *state)
{
	NfcDeviceData *dev_data = state->nfc_dev_data;

	dev_data->protocol = NfcDeviceProtocolMifareUl;
	furi_hal_random_fill_buf(dev_data->nfc_data.uid, 7);
	dev_data->nfc_data.uid_len = 7;
	dev_data->nfc_data.atqa[0] = 0x44;
	dev_data->nfc_data.atqa[1] = 0x00;
	dev_data->nfc_data.sak = 0x00;

	dev_data->mf_ul_data.type = MfUltralightTypeNTAG215;
	dev_data->mf_ul_data.version.header = 0x00;
	dev_data->mf_ul_data.version.vendor_id = 0x04;
	dev_data->mf_ul_data.version.prod_type = 0x04;
	dev_data->mf_ul_data.version.prod_subtype = 0x02;
	dev_data->mf_ul_data.version.prod_ver_major = 0x01;
	dev_data->mf_ul_data.version.prod_ver_minor = 0x00;
	dev_data->mf_ul_data.version.storage_size = 0x11;
	dev_data->mf_ul_data.version.protocol_type = 0x03;

	/* Add 16 to the size for config pages */
	dev_data->mf_ul_data.data_size = (KEY_BITS / 8) + 16;
	crypto_ctx_get_key(state->crypto_ctx, dev_data->mf_ul_data.data);
}

/* Prepares the key share popup scene. */
void scene_on_enter_key_share_popup(void* context)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_enter_key_share_popup");

	furi_assert(context);
	ESubGhzChatState* state = context;

	popup_reset(state->nfc_popup);

	popup_disable_timeout(state->nfc_popup);

	popup_set_header(state->nfc_popup, "Sharing...", 67, 13, AlignLeft,
			AlignTop);
	popup_set_icon(state->nfc_popup, 0, 3, &I_NFC_dolphin_emulation_47x61);
	popup_set_text(state->nfc_popup, "Sharing\nKey via\nNFC", 90, 28,
			AlignCenter, AlignTop);

	prepare_nfc_dev_data(state);
	nfc_worker_start(state->nfc_worker, NfcWorkerStateMfUltralightEmulate,
			state->nfc_dev_data, NULL, NULL);

	notification_message(state->notification,
			&sequence_blink_start_magenta);

	view_dispatcher_switch_to_view(state->view_dispatcher,
			ESubGhzChatView_NfcPopup);
}

/* Handles scene manager events for the key share popup scene. */
bool scene_on_event_key_share_popup(void* context, SceneManagerEvent event)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_event_key_share_popup");

	furi_assert(context);
	ESubGhzChatState* state = context;

	UNUSED(state);
	UNUSED(event);

	return false;
}

/* Cleans up the key share popup scene. */
void scene_on_exit_key_share_popup(void* context)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_exit_key_share_popup");

	furi_assert(context);
	ESubGhzChatState* state = context;

	popup_reset(state->nfc_popup);

	notification_message(state->notification, &sequence_blink_stop);

	nfc_worker_stop(state->nfc_worker);

	crypto_explicit_bzero(state->nfc_dev_data->mf_ul_data.data, KEY_BITS / 8);
	memset(state->nfc_dev_data, 0, sizeof(NfcDeviceData));
}