107 lines
4.9 KiB
C
107 lines
4.9 KiB
C
#include "nfc_supported_card.h"
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#include <gui/modules/widget.h>
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#include <nfc_worker_i.h>
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static const MfClassicAuthContext troika_4k_keys[] = {
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{.sector = 0, .key_a = 0xa0a1a2a3a4a5, .key_b = 0xfbf225dc5d58},
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{.sector = 1, .key_a = 0xa82607b01c0d, .key_b = 0x2910989b6880},
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{.sector = 2, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
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{.sector = 3, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
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{.sector = 4, .key_a = 0x73068f118c13, .key_b = 0x2b7f3253fac5},
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{.sector = 5, .key_a = 0xFBC2793D540B, .key_b = 0xd3a297dc2698},
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{.sector = 6, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
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{.sector = 7, .key_a = 0xae3d65a3dad4, .key_b = 0x0f1c63013dbb},
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{.sector = 8, .key_a = 0xa73f5dc1d333, .key_b = 0xe35173494a81},
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{.sector = 9, .key_a = 0x69a32f1c2f19, .key_b = 0x6b8bd9860763},
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{.sector = 10, .key_a = 0x9becdf3d9273, .key_b = 0xf8493407799d},
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{.sector = 11, .key_a = 0x08b386463229, .key_b = 0x5efbaecef46b},
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{.sector = 12, .key_a = 0xcd4c61c26e3d, .key_b = 0x31c7610de3b0},
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{.sector = 13, .key_a = 0xa82607b01c0d, .key_b = 0x2910989b6880},
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{.sector = 14, .key_a = 0x0e8f64340ba4, .key_b = 0x4acec1205d75},
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{.sector = 15, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
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{.sector = 16, .key_a = 0x6b02733bb6ec, .key_b = 0x7038cd25c408},
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{.sector = 17, .key_a = 0x403d706ba880, .key_b = 0xb39d19a280df},
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{.sector = 18, .key_a = 0xc11f4597efb5, .key_b = 0x70d901648cb9},
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{.sector = 19, .key_a = 0x0db520c78c1c, .key_b = 0x73e5b9d9d3a4},
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{.sector = 20, .key_a = 0x3ebce0925b2f, .key_b = 0x372cc880f216},
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{.sector = 21, .key_a = 0x16a27af45407, .key_b = 0x9868925175ba},
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{.sector = 22, .key_a = 0xaba208516740, .key_b = 0xce26ecb95252},
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{.sector = 23, .key_a = 0xCD64E567ABCD, .key_b = 0x8f79c4fd8a01},
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{.sector = 24, .key_a = 0x764cd061f1e6, .key_b = 0xa74332f74994},
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{.sector = 25, .key_a = 0x1cc219e9fec1, .key_b = 0xb90de525ceb6},
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{.sector = 26, .key_a = 0x2fe3cb83ea43, .key_b = 0xfba88f109b32},
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{.sector = 27, .key_a = 0x07894ffec1d6, .key_b = 0xefcb0e689db3},
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{.sector = 28, .key_a = 0x04c297b91308, .key_b = 0xc8454c154cb5},
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{.sector = 29, .key_a = 0x7a38e3511a38, .key_b = 0xab16584c972a},
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{.sector = 30, .key_a = 0x7545df809202, .key_b = 0xecf751084a80},
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{.sector = 31, .key_a = 0x5125974cd391, .key_b = 0xd3eafb5df46d},
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{.sector = 32, .key_a = 0x7a86aa203788, .key_b = 0xe41242278ca2},
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{.sector = 33, .key_a = 0xafcef64c9913, .key_b = 0x9db96dca4324},
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{.sector = 34, .key_a = 0x04eaa462f70b, .key_b = 0xac17b93e2fae},
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{.sector = 35, .key_a = 0xe734c210f27e, .key_b = 0x29ba8c3e9fda},
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{.sector = 36, .key_a = 0xd5524f591eed, .key_b = 0x5daf42861b4d},
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{.sector = 37, .key_a = 0xe4821a377b75, .key_b = 0xe8709e486465},
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{.sector = 38, .key_a = 0x518dc6eea089, .key_b = 0x97c64ac98ca4},
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{.sector = 39, .key_a = 0xbb52f8cce07f, .key_b = 0x6b6119752c70},
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};
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bool troika_4k_parser_verify(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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furi_assert(nfc_worker);
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if(nfc_worker->dev_data->mf_classic_data.type != MfClassicType4k) {
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return false;
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}
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uint8_t sector = 11;
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uint8_t block = mf_classic_get_sector_trailer_block_num_by_sector(sector);
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FURI_LOG_D("Troika", "Verifying sector %d", sector);
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if(mf_classic_authenticate(tx_rx, block, 0x08b386463229, MfClassicKeyA)) {
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FURI_LOG_D("Troika", "Sector %d verified", sector);
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return true;
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}
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return false;
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}
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bool troika_4k_parser_read(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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furi_assert(nfc_worker);
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MfClassicReader reader = {};
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FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
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reader.type = mf_classic_get_classic_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak);
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for(size_t i = 0; i < COUNT_OF(troika_4k_keys); i++) {
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mf_classic_reader_add_sector(
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&reader, troika_4k_keys[i].sector, troika_4k_keys[i].key_a, troika_4k_keys[i].key_b);
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}
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return mf_classic_read_card(tx_rx, &reader, &nfc_worker->dev_data->mf_classic_data) == 40;
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}
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bool troika_4k_parser_parse(NfcDeviceData* dev_data) {
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MfClassicData* data = &dev_data->mf_classic_data;
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// Verify key
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MfClassicSectorTrailer* sec_tr = mf_classic_get_sector_trailer_by_sector(data, 4);
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uint64_t key = nfc_util_bytes2num(sec_tr->key_a, 6);
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if(key != troika_4k_keys[4].key_a) return false;
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// Verify card type
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if(data->type != MfClassicType4k) return false;
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uint8_t* temp_ptr = &data->block[8 * 4 + 1].value[5];
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uint16_t balance = ((temp_ptr[0] << 8) | temp_ptr[1]) / 25;
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temp_ptr = &data->block[8 * 4].value[2];
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uint32_t number = 0;
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for(size_t i = 1; i < 5; i++) {
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number <<= 8;
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number |= temp_ptr[i];
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}
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number >>= 4;
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number |= (temp_ptr[0] & 0xf) << 28;
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furi_string_printf(
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dev_data->parsed_data, "\e#Troika\nNum: %lu\nBalance: %u rur.", number, balance);
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return true;
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}
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