Momentum-Apps/scenes/esubghz_chat_hex_key_input.c

#include "../esubghz_chat_i.h"

/* Sets the entered bytes as the key and sends a HexKeyEntered event to the
 * scene manager. */
static void hex_key_input_cb(void* context)
{
	furi_assert(context);
	ESubGhzChatState* state = context;

	/* initiate the crypto context */
	bool ret = crypto_ctx_set_key(state->crypto_ctx,
			state->hex_key_input_store, state->name_prefix,
			furi_get_tick());

	/* cleanup */
	crypto_explicit_bzero(state->hex_key_input_store,
			sizeof(state->hex_key_input_store));

	if (!ret) {
		crypto_ctx_clear(state->crypto_ctx);
		return;
	}

	state->encrypted = true;

	view_dispatcher_send_custom_event(state->view_dispatcher,
			ESubGhzChatEvent_HexKeyEntered);
}

/* Prepares the hex key input scene. */
void scene_on_enter_hex_key_input(void* context)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_enter_hex_key_input");

	furi_assert(context);
	ESubGhzChatState* state = context;

	byte_input_set_result_callback(state->hex_key_input,
			hex_key_input_cb,
			NULL,
			state,
			state->hex_key_input_store,
			sizeof(state->hex_key_input_store));

	view_dispatcher_switch_to_view(state->view_dispatcher,
			ESubGhzChatView_HexKeyInput);
}

/* Handles scene manager events for the hex key input scene. */
bool scene_on_event_hex_key_input(void* context, SceneManagerEvent event)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_event_hex_key_input");

	furi_assert(context);
	ESubGhzChatState* state = context;

	bool consumed = false;

	switch(event.type) {
	case SceneManagerEventTypeCustom:
		switch(event.event) {
		/* switch to frequency input scene */
		case ESubGhzChatEvent_HexKeyEntered:
			scene_manager_next_scene(state->scene_manager,
					ESubGhzChatScene_FreqInput);
			consumed = true;
			break;
		}
		break;

	default:
		consumed = false;
		break;
	}

	return consumed;
}

/* Cleans up the hex key input scene. */
void scene_on_exit_hex_key_input(void* context)
{
	FURI_LOG_T(APPLICATION_NAME, "scene_on_exit_hex_key_input");

	furi_assert(context);
	ESubGhzChatState* state = context;

	crypto_explicit_bzero(state->hex_key_input_store,
			sizeof(state->hex_key_input_store));
}