RfidResearchGroup/proxmark3
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-Added .history to the svn:ignore property

Browse source 
-Added "hf 14a cuids" command to collect multiple ISO14443-A UIDs from one card in a batch
 -The command takes one parameter (the number of UIDs to collect)
  -This can be useful to analyze the RNGs of cards that generate random UIDs (e.g. MRTDs)
This commit is contained in:
frederikmoellers@aol.de 2012-08-14 14:56:09 +00:00
parent e50d95165c
commit db22dfe6ff
1 changed files with 38 additions and 0 deletions
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38
client/cmdhf14a.c
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@ -315,6 +315,43 @@ int CmdHF14AReader(const char *Cmd)
return resp->arg[0];
}
// Collect ISO14443 Type A UIDs
int CmdHF14ACUIDs(const char *Cmd)
{
// requested number of UIDs
int n = atoi(Cmd);
// collect at least 1 (e.g. if no parameter was given)
n = n > 0 ? n : 1;
PrintAndLog("Collecting %d UIDs", n);
PrintAndLog("Start: %u", time(NULL));
// repeat n times
for (int i = 0; i < n; i++) {
// execute anticollision procedure
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
SendCommand(&c);
UsbCommand *resp = WaitForResponse(CMD_ACK);
uint8_t *uid = resp->d.asBytes;
iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
// check if command failed
if (resp->arg[0] == 0) {
PrintAndLog("Card select failed.");
} else {
// check if UID is 4 bytes
if ((card->atqa[1] & 0xC0) == 0) {
PrintAndLog("%02X%02X%02X%02X",
*uid, *(uid + 1), *(uid + 2), *(uid + 3));
} else {
PrintAndLog("UID longer than 4 bytes");
}
}
}
PrintAndLog("End: %u", time(NULL));
return 1;
}
// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
@ -429,6 +466,7 @@ static command_t CommandTable[] =
{"help", CmdHelp, 1, "This help"},
{"list", CmdHF14AList, 0, "List ISO 14443a history"},
{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
{NULL, NULL, 0, NULL}