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https://github.com/DarkFlippers/unleashed-firmware
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little speed up
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parent
11cfbd1ec8
commit
14d3510d8e
1 changed files with 18 additions and 3 deletions
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@ -622,6 +622,9 @@ EmvError emv_poller_read_afl(EmvPoller* instance) {
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FURI_LOG_D(TAG, "Search PAN in SFI");
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uint8_t sfi_2_mask = 0;
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uint8_t sfi_3_mask = 0;
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bool pan_fetched = (instance->data->emv_application.pan_len);
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// Iterate through all files
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@ -631,6 +634,9 @@ EmvError emv_poller_read_afl(EmvPoller* instance) {
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uint8_t record_end = afl->data[i + 2];
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// Iterate through all records in file
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for(uint8_t record = record_start; record <= record_end; ++record) {
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if((sfi == 2) && (record < 8)) FURI_BIT_SET(sfi_2_mask, record);
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if((sfi == 3) && (record < 8)) FURI_BIT_SET(sfi_3_mask, record);
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error = emv_poller_read_sfi_record(instance, sfi, record);
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if(error != EmvErrorNone) break;
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@ -645,13 +651,22 @@ EmvError emv_poller_read_afl(EmvPoller* instance) {
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if(instance->data->emv_application.pan_len) pan_fetched = true; // Card number fetched
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}
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}
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bool cardholder_name_fetched = strlen(instance->data->emv_application.cardholder_name);
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// Bruteforse files 2-3
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FURI_LOG_T(TAG, "Bruteforce files 2-3");
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for(size_t sfi = 2; sfi <= 3; sfi++) {
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// Iterate through records 1-5 in file
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for(size_t record = 1; record <= 5; record++) {
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if(strlen(instance->data->emv_application.cardholder_name)) return EmvErrorNone;
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// Skip previously readed sfi
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if(sfi == 2) {
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if((sfi_2_mask >> record) & (0b1)) continue;
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}
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if(sfi == 3) {
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if((sfi_3_mask >> record) & (0b1)) continue;
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}
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if(strlen(instance->data->emv_application.cardholder_name))
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cardholder_name_fetched = true;
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error = emv_poller_read_sfi_record(instance, sfi, record);
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if(error != EmvErrorNone) break;
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@ -664,7 +679,7 @@ EmvError emv_poller_read_afl(EmvPoller* instance) {
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}
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}
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}
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if(pan_fetched)
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if(pan_fetched || cardholder_name_fetched)
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return EmvErrorNone;
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else
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return error;
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