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[FL-3156] Mark keys as not found when they couldn't auth successfully (#2476)

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* Mark keys as not found when they couldn't auth successfully
* Improve logging and fix the reading bug

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Astra
2023-03-16 10:58:07 +02:00
committed by GitHub
parent 9fbf327028
commit e90042368f
2 changed files with 33 additions and 6 deletions
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26
lib/nfc/protocols/mifare_classic.c
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@@ -651,7 +651,12 @@ void mf_classic_read_sector(FuriHalNfcTxRxContext* tx_rx, MfClassicData* data, u
if(!key_a_found) break;
FURI_LOG_D(TAG, "Try to read blocks with key A");
key = nfc_util_bytes2num(sec_tr->key_a, sizeof(sec_tr->key_a));
if(!mf_classic_auth(tx_rx, start_block, key, MfClassicKeyA, &crypto, false, 0)) break;
if(!mf_classic_auth(tx_rx, start_block, key, MfClassicKeyA, &crypto, false, 0)) {
mf_classic_set_key_not_found(data, sec_num, MfClassicKeyA);
FURI_LOG_D(TAG, "Key %dA not found in read", sec_num);
break;
}
for(size_t i = start_block; i < start_block + total_blocks; i++) {
if(!mf_classic_is_block_read(data, i)) {
if(mf_classic_read_block(tx_rx, &crypto, i, &block_tmp)) {
@@ -660,7 +665,11 @@ void mf_classic_read_sector(FuriHalNfcTxRxContext* tx_rx, MfClassicData* data, u
} else if(i > start_block) {
// Try to re-auth to read block in case prevous block was protected from read
furi_hal_nfc_sleep();
if(!mf_classic_auth(tx_rx, i, key, MfClassicKeyA, &crypto, false, 0)) break;
if(!mf_classic_auth(tx_rx, i, key, MfClassicKeyA, &crypto, false, 0)) {
mf_classic_set_key_not_found(data, sec_num, MfClassicKeyA);
FURI_LOG_D(TAG, "Key %dA not found in read", sec_num);
break;
}
if(mf_classic_read_block(tx_rx, &crypto, i, &block_tmp)) {
mf_classic_set_block_read(data, i, &block_tmp);
blocks_read++;
@@ -680,7 +689,12 @@ void mf_classic_read_sector(FuriHalNfcTxRxContext* tx_rx, MfClassicData* data, u
}
FURI_LOG_D(TAG, "Try to read blocks with key B");
key = nfc_util_bytes2num(sec_tr->key_b, sizeof(sec_tr->key_b));
if(!mf_classic_auth(tx_rx, start_block, key, MfClassicKeyB, &crypto, false, 0)) break;
if(!mf_classic_auth(tx_rx, start_block, key, MfClassicKeyB, &crypto, false, 0)) {
mf_classic_set_key_not_found(data, sec_num, MfClassicKeyB);
FURI_LOG_D(TAG, "Key %dB not found in read", sec_num);
break;
}
for(size_t i = start_block; i < start_block + total_blocks; i++) {
if(!mf_classic_is_block_read(data, i)) {
if(mf_classic_read_block(tx_rx, &crypto, i, &block_tmp)) {
@@ -689,7 +703,11 @@ void mf_classic_read_sector(FuriHalNfcTxRxContext* tx_rx, MfClassicData* data, u
} else if(i > start_block) {
// Try to re-auth to read block in case prevous block was protected from read
furi_hal_nfc_sleep();
if(!mf_classic_auth(tx_rx, i, key, MfClassicKeyB, &crypto, false, 0)) break;
if(!mf_classic_auth(tx_rx, i, key, MfClassicKeyB, &crypto, false, 0)) {
mf_classic_set_key_not_found(data, sec_num, MfClassicKeyB);
FURI_LOG_D(TAG, "Key %dB not found in read", sec_num);
break;
}
if(mf_classic_read_block(tx_rx, &crypto, i, &block_tmp)) {
mf_classic_set_block_read(data, i, &block_tmp);
blocks_read++;