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improve hf 14a info (#457)

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* added validate_prng_nonce from iceman1001 fork
* added DetectClassicPrng from iceman1001 fork
This commit is contained in:
Oleg Moiseenko 2017-11-01 18:48:59 +02:00 • committed by pwpiwi
commit fe6bf3c58c
4 changed files with 85 additions and 1 deletions
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15
client/cmdhf14a.c
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@ -244,8 +244,10 @@ int CmdHF14AInfo(const char *Cmd)
PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
bool isMifareClassic = true;
switch (card.sak) {
case 0x00:
isMifareClassic = false;
//***************************************test****************
// disconnect
@ -480,6 +482,19 @@ int CmdHF14AInfo(const char *Cmd)
// try to see if card responses to "chinese magic backdoor" commands.
mfCIdentify();
if (isMifareClassic) {
switch(DetectClassicPrng()) {
case 0:
PrintAndLog("Prng detection: HARDEND (hardnested)");
break;
case 1:
PrintAndLog("Prng detection: WEAK");
break;
default:
PrintAndLog("Prng detection error.");
}
}
return select_status;
}