Momentum-Apps/esubghz_chat/scenes/esubghz_chat_key_share_popup.c

// #include "../esubghz_chat_i.h"
// #include "../helpers/nfc_helpers.h"

// struct ReplayDictNfcWriterContext {
//     uint8_t* cur;
//     uint8_t* max;
// };

// static bool replay_dict_nfc_writer(uint64_t run_id, uint32_t counter, void* context) {
//     struct ReplayDictNfcWriterContext* ctx = (struct ReplayDictNfcWriterContext*)context;

//     struct ReplayDictNfcEntry entry = {.run_id = run_id, .counter = __htonl(counter), .unused = 0};

//     if(ctx->cur + sizeof(entry) > ctx->max) {
//         return false;
//     }

//     memcpy(ctx->cur, &entry, sizeof(entry));
//     ctx->cur += sizeof(entry);

//     return true;
// }

// 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;

//     size_t data_written = 0;

//     /* write key */
//     crypto_ctx_get_key(state->crypto_ctx, dev_data->mf_ul_data.data);
//     data_written += (KEY_BITS / 8);

//     /* write frequency */
//     struct FreqNfcEntry* freq_entry =
//         (struct FreqNfcEntry*)(dev_data->mf_ul_data.data + data_written);
//     freq_entry->frequency = __htonl(state->frequency);
//     freq_entry->unused1 = 0;
//     freq_entry->unused2 = 0;
//     freq_entry->unused3 = 0;
//     data_written += sizeof(struct FreqNfcEntry);

//     /* write the replay dict */
//     struct ReplayDictNfcWriterContext wr_ctx = {
//         .cur = dev_data->mf_ul_data.data + data_written,
//         .max = dev_data->mf_ul_data.data + NFC_MAX_BYTES};

//     size_t n_entries =
//         crypto_ctx_dump_replay_dict(state->crypto_ctx, replay_dict_nfc_writer, &wr_ctx);
//     data_written += n_entries * sizeof(struct ReplayDictNfcEntry);

//     /* calculate size of data, add 16 for config pages */
//     dev_data->mf_ul_data.data_size = data_written + (NFC_CONFIG_PAGES * 4);
// }

// /* 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));
// }