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Merge branch 'ul-dev' into xfw-dev

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This commit is contained in:
Willy-JL
2023-04-28 21:43:56 +01:00
parent 601e82d210 2aad416cc2
commit bbddb2ac8e
146 changed files with 9594 additions and 1801 deletions
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lib/nfc/nfc_worker.c
+18 -4
View File
@@ -1048,7 +1048,8 @@ void nfc_worker_mf_classic_dict_attack(NfcWorker* nfc_worker) {
if(mf_classic_authenticate_skip_activate(
&tx_rx, block_num, key, MfClassicKeyA, !deactivated, cuid)) {
mf_classic_set_key_found(data, i, MfClassicKeyA, key);
FURI_LOG_D(TAG, "Key A found");
FURI_LOG_D(
TAG, "Key A found: %04lx%08lx", (uint32_t)(key >> 32), (uint32_t)key);
nfc_worker->callback(NfcWorkerEventFoundKeyA, nfc_worker->context);
uint64_t found_key;
@@ -1070,8 +1071,14 @@ void nfc_worker_mf_classic_dict_attack(NfcWorker* nfc_worker) {
deactivated = true;
} else {
// If the key A is marked as found and matches the searching key, invalidate it
uint8_t found_key[6];
memcpy(found_key, data->block[i].value, 6);
uint8_t current_key[6];
memcpy(current_key, &key, 6);
if(mf_classic_is_key_found(data, i, MfClassicKeyA) &&
data->block[i].value[0] == key) {
found_key == current_key) {
mf_classic_set_key_not_found(data, i, MfClassicKeyA);
is_key_a_found = false;
FURI_LOG_D(TAG, "Key %dA not found in attack", i);
@@ -1081,7 +1088,8 @@ void nfc_worker_mf_classic_dict_attack(NfcWorker* nfc_worker) {
is_key_b_found = mf_classic_is_key_found(data, i, MfClassicKeyB);
if(mf_classic_authenticate_skip_activate(
&tx_rx, block_num, key, MfClassicKeyB, !deactivated, cuid)) {
FURI_LOG_D(TAG, "Key B found");
FURI_LOG_D(
TAG, "Key B found: %04lx%08lx", (uint32_t)(key >> 32), (uint32_t)key);
mf_classic_set_key_found(data, i, MfClassicKeyB, key);
nfc_worker->callback(NfcWorkerEventFoundKeyB, nfc_worker->context);
nfc_worker_mf_classic_key_attack(nfc_worker, key, &tx_rx, i + 1);
@@ -1089,8 +1097,14 @@ void nfc_worker_mf_classic_dict_attack(NfcWorker* nfc_worker) {
deactivated = true;
} else {
// If the key B is marked as found and matches the searching key, invalidate it
uint8_t found_key[6];
memcpy(found_key, data->block[i].value + 10, 6);
uint8_t current_key[6];
memcpy(current_key, &key, 6);
if(mf_classic_is_key_found(data, i, MfClassicKeyB) &&
data->block[i].value[10] == key) {
found_key == current_key) {
mf_classic_set_key_not_found(data, i, MfClassicKeyB);
is_key_b_found = false;
FURI_LOG_D(TAG, "Key %dB not found in attack", i);
lib/nfc/protocols/mifare_classic.c
+18 -4
View File
@@ -896,11 +896,25 @@ bool mf_classic_emulator(MfClassicEmulator* emulator, FuriHalNfcTxRxContext* tx_
MfClassicSectorTrailer* sector_trailer =
(MfClassicSectorTrailer*)emulator->data.block[sector_trailer_block].value;
if(cmd == MF_CLASSIC_AUTH_KEY_A_CMD) {
key = nfc_util_bytes2num(sector_trailer->key_a, 6);
access_key = MfClassicKeyA;
if(mf_classic_is_key_found(
&emulator->data, mf_classic_get_sector_by_block(block), MfClassicKeyA)) {
key = nfc_util_bytes2num(sector_trailer->key_a, 6);
access_key = MfClassicKeyA;
} else {
FURI_LOG_D(TAG, "Key not known");
command_processed = true;
break;
}
} else {
key = nfc_util_bytes2num(sector_trailer->key_b, 6);
access_key = MfClassicKeyB;
if(mf_classic_is_key_found(
&emulator->data, mf_classic_get_sector_by_block(block), MfClassicKeyB)) {
key = nfc_util_bytes2num(sector_trailer->key_b, 6);
access_key = MfClassicKeyB;
} else {
FURI_LOG_D(TAG, "Key not known");
command_processed = true;
break;
}
}
uint32_t nonce = prng_successor(DWT->CYCCNT, 32) ^ 0xAA;