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Revert some changes

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MX 2023-05-02 02:25:52 +03:00
parent 0ef37df4ae
commit fe6bf3c7d6
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GPG key ID: 7CCC66B7DBDD1C83
1 changed files with 4 additions and 18 deletions
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14
lib/nfc/protocols/mifare_classic.c
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@ -892,25 +892,11 @@ bool mf_classic_emulator(MfClassicEmulator* emulator, FuriHalNfcTxRxContext* tx_
MfClassicSectorTrailer* sector_trailer = MfClassicSectorTrailer* sector_trailer =
(MfClassicSectorTrailer*)emulator->data.block[sector_trailer_block].value; (MfClassicSectorTrailer*)emulator->data.block[sector_trailer_block].value;
if(cmd == MF_CLASSIC_AUTH_KEY_A_CMD) { if(cmd == MF_CLASSIC_AUTH_KEY_A_CMD) {
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); key = nfc_util_bytes2num(sector_trailer->key_a, 6);
access_key = MfClassicKeyA; access_key = MfClassicKeyA;
} else { } else {
FURI_LOG_D(TAG, "Key not known");
command_processed = true;
break;
}
} else {
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); key = nfc_util_bytes2num(sector_trailer->key_b, 6);
access_key = MfClassicKeyB; access_key = MfClassicKeyB;
} else {
FURI_LOG_D(TAG, "Key not known");
command_processed = true;
break;
}
} }
uint32_t nonce = prng_successor(DWT->CYCCNT, 32) ^ 0xAA; uint32_t nonce = prng_successor(DWT->CYCCNT, 32) ^ 0xAA;