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chg: 'hf mf nack' - extracted in into mifarehost for easier usage in other cmds like

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'hf 14a info'
chg: 'hf mf nack' - changes on devices side from @doegox   Thanks!
This commit is contained in:
iceman1001 2017-12-05 23:34:52 +01:00
commit 0a1a48df01
5 changed files with 88 additions and 50 deletions
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59
client/mifarehost.c
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@ -81,8 +81,7 @@ static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_i
return i;
}
int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key)
{
int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key) {
uint32_t uid = 0;
uint32_t nt = 0, nr = 0;
uint64_t par_list = 0, ks_list = 0;
@ -852,15 +851,59 @@ bool detect_classic_prng(void){
uint32_t nonce = bytes_to_num(respA.d.asBytes, respA.arg[0]);
return validate_prng_nonce(nonce);
}
/* Detect Mifare Classic NACK bug */
bool detect_classic_nackbug(void){
/* Detect Mifare Classic NACK bug
returns:
0 = error during test / aborted
1 = has nack bug
2 = has not nack bug
3 = always leak nacks (clones)
*/
int detect_classic_nackbug(bool verbose){
// get nonce?
UsbCommand c = {CMD_MIFARE_NACK_DETECT, {0, 0, 0}};
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
// loop max 256 times,
// fixed nonce, different parity every call
if ( verbose )
printf("Press pm3-button on the proxmark3 device to abort both proxmark3 and client.\n");
while (true) {
printf(".");
fflush(stdout);
if (ukbhit()) {
int gc = getchar(); (void)gc;
return -1;
break;
}
return false;
if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
int32_t ok = resp.arg[0];
uint32_t nacks = resp.arg[1];
uint32_t auths = resp.arg[2];
if ( verbose ) {
PrintAndLog("\nNum of sent auth requests : %u", auths);
PrintAndLog("Num of received NACK : %u", nacks);
}
switch( ok ) {
case -1 : if (verbose) PrintAndLog("Button pressed. Aborted."); return 0;
case -3 : if (verbose) PrintAndLog("Card random number generator is not predictable)."); return 0;
case -4 : if (verbose) {
PrintAndLog("Card random number generator seems to be based on the well-known generating polynomial");
PrintAndLog("with 16 effective bits only, but shows unexpected behavior, try again.");
return 0;
}
case 2 : PrintAndLog("Card always leak NACK."); return 3;
case 1 : PrintAndLog("Card has NACK bug."); return 1;
case 0 : PrintAndLog("Card has not NACK bug."); return 2;
default : PrintAndLog(" errorcode from device [%i]", ok); return 0;
}
break;
}
}
return 0;
}
/* try to see if card responses to "chinese magic backdoor" commands. */
void detect_classic_magic(void) {