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CHG: 'HF MF C*' (chinese backdoor commands) According to douniwan5788 some magic/clone tags answers to the halt cmd and some not. I think I captured his ideas.

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ref: 13b71e58fd
This commit is contained in:
iceman1001 2016-10-28 20:43:07 +02:00
commit d209443322
2 changed files with 8 additions and 6 deletions
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5
armsrc/mifareutil.c
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@ -474,7 +474,10 @@ int mifare_classic_halt_ex(struct Crypto1State *pcs) {
uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};
len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);
if (len != 0) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);
if (MF_DBGLEVEL >= MF_DBG_ERROR)
Dbprintf("halt error. response len: %x data:%02X %02X %02X %02X", len, receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3]);
if (len == 1 && receivedAnswer[0] == 0x04)
return 4;
return 1;
}
return 0;