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fix nested loop with cards that do not NACK

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This commit is contained in:
LW 2019-12-14 01:41:16 -08:00
commit 9b6d1f74da
3 changed files with 13 additions and 2 deletions
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7
armsrc/mifarecmd.c
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@ -895,6 +895,13 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
target_nt[i] = 0;
while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
// break out of the loop on button press or new usb data as
// cards that do not NACK bad keys will get stuck here
if(BUTTON_PRESS() || usb_poll_validate_length()) {
isOK = -2;
break;
}
// prepare next select. No need to power down the card.
if(mifare_classic_halt(pcs, cuid)) {
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");