[FL-1396] Mifare Classic read (#1034)
* rfal: add new data exchange function * core: add FURI_BIT to common defines * furi_hal_nfc: add data exchange with custom patiry bits * lib: extend nfc common API * assets: add mf classic dictionary * lib: introduce mifare classic library * nfc: add dictionary reader helper * nfc worker: add worker events, add mifare classic read * nfc: rework scenes with worker events * nfc: add read mifare classic GUI * nfc device: add mifare classic save * nfc: add dictionary open fail scene * nfc: mention resources * stream: fix stream read line * subghz: rework file read with fixed stream_read_line * furi_hal_nfc: decrease communication timeout * nfc: rework keys load from dictionary with file_stream * nfc: add read mifare classic suggestion * nfc: fix mifare classic read view * nfc: fix index size * nfc: add switch to no dictionary found scene * nfc: add mifare classic load * nfc: improve read mifare classic design * mifare_classic: add proxmark3 mention * nfc: format sources * nfc: fix typos, add documentation
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gornekich
GitHub
194
applications/nfc/views/dict_attack.c
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194
applications/nfc/views/dict_attack.c
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#include "dict_attack.h"
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#include <m-string.h>
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#include <gui/elements.h>
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typedef enum {
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DictAttackStateSearchCard,
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DictAttackStateSearchKeys,
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DictAttackStateCardRemoved,
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DictAttackStateSuccess,
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DictAttackStateFail,
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} DictAttackState;
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struct DictAttack {
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View* view;
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DictAttackResultCallback callback;
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void* context;
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};
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typedef struct {
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DictAttackState state;
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MfClassicType type;
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uint8_t current_sector;
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uint8_t total_sectors;
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uint8_t keys_a_found;
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uint8_t keys_a_total;
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uint8_t keys_b_found;
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uint8_t keys_b_total;
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} DictAttackViewModel;
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static void dict_attack_draw_callback(Canvas* canvas, void* model) {
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DictAttackViewModel* m = model;
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if(m->state == DictAttackStateSearchCard) {
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canvas_set_font(canvas, FontPrimary);
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canvas_draw_str_aligned(
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canvas, 64, 32, AlignCenter, AlignCenter, "Detecting Mifare Classic");
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} else if(m->state == DictAttackStateCardRemoved) {
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canvas_set_font(canvas, FontPrimary);
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canvas_draw_str_aligned(
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canvas, 64, 32, AlignCenter, AlignTop, "Place card back to flipper");
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} else {
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char draw_str[32];
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if(m->state == DictAttackStateSearchKeys) {
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snprintf(
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draw_str, sizeof(draw_str), "Searching keys for sector %d", m->current_sector);
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canvas_draw_str_aligned(canvas, 64, 2, AlignCenter, AlignTop, draw_str);
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} else if(m->state == DictAttackStateSuccess) {
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canvas_draw_str_aligned(canvas, 64, 2, AlignCenter, AlignTop, "Complete!");
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elements_button_right(canvas, "Save");
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} else if(m->state == DictAttackStateFail) {
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canvas_draw_str_aligned(
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canvas, 64, 2, AlignCenter, AlignTop, "Failed to read any sector");
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}
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uint16_t keys_found = m->keys_a_found + m->keys_b_found;
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uint16_t keys_total = m->keys_a_total + m->keys_b_total;
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float progress = (float)(m->current_sector) / (float)(m->total_sectors);
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elements_progress_bar(canvas, 5, 12, 120, progress);
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canvas_set_font(canvas, FontSecondary);
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snprintf(draw_str, sizeof(draw_str), "Total keys found: %d/%d", keys_found, keys_total);
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canvas_draw_str_aligned(canvas, 1, 23, AlignLeft, AlignTop, draw_str);
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snprintf(
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draw_str, sizeof(draw_str), "A keys found: %d/%d", m->keys_a_found, m->keys_a_total);
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canvas_draw_str_aligned(canvas, 1, 34, AlignLeft, AlignTop, draw_str);
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snprintf(
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draw_str, sizeof(draw_str), "B keys found: %d/%d", m->keys_b_found, m->keys_b_total);
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canvas_draw_str_aligned(canvas, 1, 45, AlignLeft, AlignTop, draw_str);
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}
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}
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static bool dict_attack_input_callback(InputEvent* event, void* context) {
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DictAttack* dict_attack = context;
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bool consumed = false;
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DictAttackState state;
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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state = model->state;
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return false;
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});
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if(state == DictAttackStateSuccess && event->type == InputTypeShort &&
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event->key == InputKeyRight) {
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if(dict_attack->callback) {
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dict_attack->callback(dict_attack->context);
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}
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consumed = true;
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}
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return consumed;
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}
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DictAttack* dict_attack_alloc() {
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DictAttack* dict_attack = malloc(sizeof(DictAttack));
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dict_attack->view = view_alloc();
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view_allocate_model(dict_attack->view, ViewModelTypeLocking, sizeof(DictAttackViewModel));
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view_set_draw_callback(dict_attack->view, dict_attack_draw_callback);
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view_set_input_callback(dict_attack->view, dict_attack_input_callback);
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view_set_context(dict_attack->view, dict_attack);
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return dict_attack;
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}
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void dict_attack_free(DictAttack* dict_attack) {
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furi_assert(dict_attack);
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view_free(dict_attack->view);
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free(dict_attack);
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}
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void dict_attack_reset(DictAttack* dict_attack) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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memset(model, 0, sizeof(DictAttackViewModel));
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return true;
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});
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}
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View* dict_attack_get_view(DictAttack* dict_attack) {
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furi_assert(dict_attack);
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return dict_attack->view;
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}
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void dict_attack_set_result_callback(
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DictAttack* dict_attack,
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DictAttackResultCallback callback,
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void* context) {
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furi_assert(dict_attack);
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furi_assert(callback);
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dict_attack->callback = callback;
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dict_attack->context = context;
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}
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void dict_attack_card_detected(DictAttack* dict_attack, MfClassicType type) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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model->state = DictAttackStateSearchKeys;
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if(type == MfClassicType1k) {
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model->total_sectors = 16;
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model->keys_a_total = 16;
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model->keys_b_total = 16;
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} else if(type == MfClassicType4k) {
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model->total_sectors = 40;
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model->keys_a_total = 40;
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model->keys_b_total = 40;
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}
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return true;
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});
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}
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void dict_attack_card_removed(DictAttack* dict_attack) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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if(model->state == DictAttackStateSearchKeys) {
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model->state = DictAttackStateCardRemoved;
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} else {
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model->state = DictAttackStateSearchCard;
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}
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return true;
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});
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}
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void dict_attack_inc_curr_sector(DictAttack* dict_attack) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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model->current_sector++;
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return true;
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});
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}
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void dict_attack_inc_found_key(DictAttack* dict_attack, MfClassicKey key) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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model->state = DictAttackStateSearchKeys;
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if(key == MfClassicKeyA) {
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model->keys_a_found++;
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} else if(key == MfClassicKeyB) {
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model->keys_b_found++;
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}
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return true;
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});
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}
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void dict_attack_set_result(DictAttack* dict_attack, bool success) {
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furi_assert(dict_attack);
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with_view_model(
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dict_attack->view, (DictAttackViewModel * model) {
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if(success) {
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model->state = DictAttackStateSuccess;
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} else {
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model->state = DictAttackStateFail;
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}
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return true;
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});
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}
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33
applications/nfc/views/dict_attack.h
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33
applications/nfc/views/dict_attack.h
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#pragma once
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#include <stdint.h>
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#include <gui/view.h>
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#include <gui/modules/widget.h>
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#include <lib/nfc_protocols/mifare_classic.h>
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typedef struct DictAttack DictAttack;
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typedef void (*DictAttackResultCallback)(void* context);
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DictAttack* dict_attack_alloc();
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void dict_attack_free(DictAttack* dict_attack);
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void dict_attack_reset(DictAttack* dict_attack);
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View* dict_attack_get_view(DictAttack* dict_attack);
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void dict_attack_set_result_callback(
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DictAttack* dict_attack,
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DictAttackResultCallback callback,
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void* context);
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void dict_attack_card_detected(DictAttack* dict_attack, MfClassicType type);
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void dict_attack_card_removed(DictAttack* dict_attack);
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void dict_attack_inc_curr_sector(DictAttack* dict_attack);
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void dict_attack_inc_found_key(DictAttack* dict_attack, MfClassicKey key);
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void dict_attack_set_result(DictAttack* dict_attack, bool success);
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