unleashed-firmware/applications/main/nfc/plugins/supported_cards/troika.c
2024-03-10 23:35:44 +03:00

249 lines
8.7 KiB
C

#include "nfc_supported_card_plugin.h"
#include <core/check.h>
#include <flipper_application/flipper_application.h>
#include <nfc/nfc_device.h>
#include <bit_lib/bit_lib.h>
#include <nfc/protocols/mf_classic/mf_classic_poller_sync.h>
#include "../../api/mosgortrans/mosgortrans_util.h"
#include "furi_hal_rtc.h"
#define TAG "Troika"
typedef struct {
uint64_t a;
uint64_t b;
} MfClassicKeyPair;
typedef struct {
const MfClassicKeyPair* keys;
uint32_t data_sector;
} TroikaCardConfig;
static const MfClassicKeyPair troika_1k_keys[] = {
{.a = 0xa0a1a2a3a4a5, .b = 0xfbf225dc5d58},
{.a = 0xa82607b01c0d, .b = 0x2910989b6880},
{.a = 0x2aa05ed1856f, .b = 0xeaac88e5dc99},
{.a = 0x2aa05ed1856f, .b = 0xeaac88e5dc99},
{.a = 0x73068f118c13, .b = 0x2b7f3253fac5},
{.a = 0xfbc2793d540b, .b = 0xd3a297dc2698},
{.a = 0x2aa05ed1856f, .b = 0xeaac88e5dc99},
{.a = 0xae3d65a3dad4, .b = 0x0f1c63013dba},
{.a = 0xa73f5dc1d333, .b = 0xe35173494a81},
{.a = 0x69a32f1c2f19, .b = 0x6b8bd9860763},
{.a = 0x9becdf3d9273, .b = 0xf8493407799d},
{.a = 0x08b386463229, .b = 0x5efbaecef46b},
{.a = 0xcd4c61c26e3d, .b = 0x31c7610de3b0},
{.a = 0xa82607b01c0d, .b = 0x2910989b6880},
{.a = 0x0e8f64340ba4, .b = 0x4acec1205d75},
{.a = 0x2aa05ed1856f, .b = 0xeaac88e5dc99},
};
static const MfClassicKeyPair troika_4k_keys[] = {
{.a = 0xEC29806D9738, .b = 0xFBF225DC5D58}, //1
{.a = 0xA0A1A2A3A4A5, .b = 0x7DE02A7F6025}, //2
{.a = 0x2AA05ED1856F, .b = 0xEAAC88E5DC99}, //3
{.a = 0x2AA05ED1856F, .b = 0xEAAC88E5DC99}, //4
{.a = 0x73068F118C13, .b = 0x2B7F3253FAC5}, //5
{.a = 0xFBC2793D540B, .b = 0xD3A297DC2698}, //6
{.a = 0x2AA05ED1856F, .b = 0xEAAC88E5DC99}, //7
{.a = 0xAE3D65A3DAD4, .b = 0x0F1C63013DBA}, //8
{.a = 0xA73F5DC1D333, .b = 0xE35173494A81}, //9
{.a = 0x69A32F1C2F19, .b = 0x6B8BD9860763}, //10
{.a = 0x9BECDF3D9273, .b = 0xF8493407799D}, //11
{.a = 0x08B386463229, .b = 0x5EFBAECEF46B}, //12
{.a = 0xCD4C61C26E3D, .b = 0x31C7610DE3B0}, //13
{.a = 0xA82607B01C0D, .b = 0x2910989B6880}, //14
{.a = 0x0E8F64340BA4, .b = 0x4ACEC1205D75}, //15
{.a = 0x2AA05ED1856F, .b = 0xEAAC88E5DC99}, //16
{.a = 0x6B02733BB6EC, .b = 0x7038CD25C408}, //17
{.a = 0x403D706BA880, .b = 0xB39D19A280DF}, //18
{.a = 0xC11F4597EFB5, .b = 0x70D901648CB9}, //19
{.a = 0x0DB520C78C1C, .b = 0x73E5B9D9D3A4}, //20
{.a = 0x3EBCE0925B2F, .b = 0x372CC880F216}, //21
{.a = 0x16A27AF45407, .b = 0x9868925175BA}, //22
{.a = 0xABA208516740, .b = 0xCE26ECB95252}, //23
{.a = 0xCD64E567ABCD, .b = 0x8F79C4FD8A01}, //24
{.a = 0x764CD061F1E6, .b = 0xA74332F74994}, //25
{.a = 0x1CC219E9FEC1, .b = 0xB90DE525CEB6}, //26
{.a = 0x2FE3CB83EA43, .b = 0xFBA88F109B32}, //27
{.a = 0x07894FFEC1D6, .b = 0xEFCB0E689DB3}, //28
{.a = 0x04C297B91308, .b = 0xC8454C154CB5}, //29
{.a = 0x7A38E3511A38, .b = 0xAB16584C972A}, //30
{.a = 0x7545DF809202, .b = 0xECF751084A80}, //31
{.a = 0x5125974CD391, .b = 0xD3EAFB5DF46D}, //32
{.a = 0x7A86AA203788, .b = 0xE41242278CA2}, //33
{.a = 0xAFCEF64C9913, .b = 0x9DB96DCA4324}, //34
{.a = 0x04EAA462F70B, .b = 0xAC17B93E2FAE}, //35
{.a = 0xE734C210F27E, .b = 0x29BA8C3E9FDA}, //36
{.a = 0xD5524F591EED, .b = 0x5DAF42861B4D}, //37
{.a = 0xE4821A377B75, .b = 0xE8709E486465}, //38
{.a = 0x518DC6EEA089, .b = 0x97C64AC98CA4}, //39
{.a = 0xBB52F8CCE07F, .b = 0x6B6119752C70}, //40
};
static bool troika_get_card_config(TroikaCardConfig* config, MfClassicType type) {
bool success = true;
if(type == MfClassicType1k) {
config->data_sector = 11;
config->keys = troika_1k_keys;
} else if(type == MfClassicType4k) {
config->data_sector = 8; // Further testing needed
config->keys = troika_4k_keys;
} else {
success = false;
}
return success;
}
static bool troika_verify_type(Nfc* nfc, MfClassicType type) {
bool verified = false;
do {
TroikaCardConfig cfg = {};
if(!troika_get_card_config(&cfg, type)) break;
const uint8_t block_num = mf_classic_get_first_block_num_of_sector(cfg.data_sector);
FURI_LOG_D(TAG, "Verifying sector %lu", cfg.data_sector);
MfClassicKey key = {0};
bit_lib_num_to_bytes_be(cfg.keys[cfg.data_sector].a, COUNT_OF(key.data), key.data);
MfClassicAuthContext auth_context;
MfClassicError error =
mf_classic_poller_sync_auth(nfc, block_num, &key, MfClassicKeyTypeA, &auth_context);
if(error != MfClassicErrorNone) {
FURI_LOG_D(TAG, "Failed to read block %u: %d", block_num, error);
break;
}
FURI_LOG_D(TAG, "Verify success!");
verified = true;
} while(false);
return verified;
}
static bool troika_verify(Nfc* nfc) {
return troika_verify_type(nfc, MfClassicType1k) || troika_verify_type(nfc, MfClassicType4k);
}
static bool troika_read(Nfc* nfc, NfcDevice* device) {
furi_assert(nfc);
furi_assert(device);
bool is_read = false;
MfClassicData* data = mf_classic_alloc();
nfc_device_copy_data(device, NfcProtocolMfClassic, data);
do {
MfClassicType type = MfClassicTypeMini;
MfClassicError error = mf_classic_poller_sync_detect_type(nfc, &type);
if(error != MfClassicErrorNone) break;
data->type = type;
TroikaCardConfig cfg = {};
if(!troika_get_card_config(&cfg, data->type)) break;
MfClassicDeviceKeys keys = {
.key_a_mask = 0,
.key_b_mask = 0,
};
for(size_t i = 0; i < mf_classic_get_total_sectors_num(data->type); i++) {
bit_lib_num_to_bytes_be(cfg.keys[i].a, sizeof(MfClassicKey), keys.key_a[i].data);
FURI_BIT_SET(keys.key_a_mask, i);
bit_lib_num_to_bytes_be(cfg.keys[i].b, sizeof(MfClassicKey), keys.key_b[i].data);
FURI_BIT_SET(keys.key_b_mask, i);
}
error = mf_classic_poller_sync_read(nfc, &keys, data);
if(error == MfClassicErrorNotPresent) {
FURI_LOG_W(TAG, "Failed to read data");
break;
}
nfc_device_set_data(device, NfcProtocolMfClassic, data);
is_read = (error == MfClassicErrorNone);
} while(false);
mf_classic_free(data);
return is_read;
}
static bool troika_parse(const NfcDevice* device, FuriString* parsed_data) {
furi_assert(device);
const MfClassicData* data = nfc_device_get_data(device, NfcProtocolMfClassic);
bool parsed = false;
do {
// Verify card type
TroikaCardConfig cfg = {};
if(!troika_get_card_config(&cfg, data->type)) break;
// Verify key
const MfClassicSectorTrailer* sec_tr =
mf_classic_get_sector_trailer_by_sector(data, cfg.data_sector);
const uint64_t key =
bit_lib_bytes_to_num_be(sec_tr->key_a.data, COUNT_OF(sec_tr->key_a.data));
if(key != cfg.keys[cfg.data_sector].a) break;
FuriString* metro_result = furi_string_alloc();
FuriString* ground_result = furi_string_alloc();
FuriString* tat_result = furi_string_alloc();
bool result1 = mosgortrans_parse_transport_block(&data->block[32], metro_result);
bool result2 = mosgortrans_parse_transport_block(&data->block[28], ground_result);
bool result3 = mosgortrans_parse_transport_block(&data->block[16], tat_result);
furi_string_cat_printf(parsed_data, "\e#Troyka card\n");
if(result1) {
furi_string_cat_printf(
parsed_data, "\e#Metro\n%s\n", furi_string_get_cstr(metro_result));
}
if(result2) {
furi_string_cat_printf(
parsed_data, "\e#Ediniy\n%s\n", furi_string_get_cstr(ground_result));
}
if(result3) {
furi_string_cat_printf(parsed_data, "\e#TAT\n%s\n", furi_string_get_cstr(tat_result));
}
furi_string_free(tat_result);
furi_string_free(ground_result);
furi_string_free(metro_result);
parsed = result1 || result2 || result3;
} while(false);
return parsed;
}
/* Actual implementation of app<>plugin interface */
static const NfcSupportedCardsPlugin troika_plugin = {
.protocol = NfcProtocolMfClassic,
.verify = troika_verify,
.read = troika_read,
.parse = troika_parse,
};
/* Plugin descriptor to comply with basic plugin specification */
static const FlipperAppPluginDescriptor troika_plugin_descriptor = {
.appid = NFC_SUPPORTED_CARD_PLUGIN_APP_ID,
.ep_api_version = NFC_SUPPORTED_CARD_PLUGIN_API_VERSION,
.entry_point = &troika_plugin,
};
/* Plugin entry point - must return a pointer to const descriptor */
const FlipperAppPluginDescriptor* troika_plugin_ep() {
return &troika_plugin_descriptor;
}