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This commit is contained in:
iceman1001 2019-04-17 14:54:42 +02:00
commit 1ee3679a98
6 changed files with 45 additions and 55 deletions
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42
armsrc/mifaresim.c
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@ -172,9 +172,9 @@ static bool MifareSimInit(uint16_t flags, uint8_t *datain, tag_response_info_t *
static uint8_t rSAK[] = {0x00, 0x00, 0x00}; // Current SAK, CRC
static uint8_t rSAKuid[] = {0x04, 0xda, 0x17}; // UID incomplete cascade bit, CRC
// RATS answer for 2K NXP mifare classic (with CRC)
// RATS answer for 2K NXP mifare classic (with CRC)
static uint8_t rRATS[] = {0x0c, 0x75, 0x77, 0x80, 0x02, 0xc1, 0x05, 0x2f, 0x2f, 0x01, 0xbc, 0xd6, 0x60, 0xd3};
*uid_len = 0;
// By default use 1K tag
@ -184,7 +184,7 @@ static bool MifareSimInit(uint16_t flags, uint8_t *datain, tag_response_info_t *
//by default RATS not supported
*rats_len = 0;
*rats = NULL;
// -- Determine the UID
// Can be set from emulator memory or incoming data
// Length: 4,7,or 10 bytes
@ -197,23 +197,21 @@ static bool MifareSimInit(uint16_t flags, uint8_t *datain, tag_response_info_t *
// If uid size defined, copy only uid from EMUL to use, backward compatibility for 'hf_colin.c', 'hf_mattyrun.c'
if ((flags & (FLAG_4B_UID_IN_DATA | FLAG_7B_UID_IN_DATA | FLAG_10B_UID_IN_DATA)) != 0) {
memcpy(datain, block0, 10); // load 10bytes from EMUL to the datain pointer. to be used below.
}
else {
} else {
// Check for 4 bytes uid: bcc corrected and single size uid bits in ATQA
if ((block0[0] ^ block0[1] ^ block0[2] ^ block0[3]) == block0[4] && (block0[6] & 0xc0) == 0) {
flags |= FLAG_4B_UID_IN_DATA;
memcpy(datain, block0, 4);
memcpy(datain, block0, 4);
rSAK[0] = block0[5];
memcpy(rATQA, &block0[6], sizeof(rATQA));
}
// Check for 7 bytes UID: double size uid bits in ATQA
else if ((block0[8] & 0xc0) == 0x40) {
flags |= FLAG_7B_UID_IN_DATA;
memcpy(datain, block0, 7);
memcpy(datain, block0, 7);
rSAK[0] = block0[7];
memcpy(rATQA, &block0[8], sizeof(rATQA));
}
else {
} else {
Dbprintf("[-] ERROR: Invalid dump. UID/SAK/ATQA not found");
return false;
}
@ -227,20 +225,17 @@ static bool MifareSimInit(uint16_t flags, uint8_t *datain, tag_response_info_t *
memcpy(rATQA, rATQA_Mini, sizeof(rATQA));
rSAK[0] = rSAK_Mini;
Dbprintf("Mifare Mini");
}
else if ((flags & FLAG_MF_1K) == FLAG_MF_1K) {
} else if ((flags & FLAG_MF_1K) == FLAG_MF_1K) {
memcpy(rATQA, rATQA_1k, sizeof(rATQA));
rSAK[0] = rSAK_1k;
Dbprintf("Mifare 1K");
}
else if ((flags & FLAG_MF_2K) == FLAG_MF_2K) {
} else if ((flags & FLAG_MF_2K) == FLAG_MF_2K) {
memcpy(rATQA, rATQA_2k, sizeof(rATQA));
rSAK[0] = rSAK_2k;
*rats = rRATS;
*rats_len = sizeof(rRATS);
Dbprintf("Mifare 2K with RATS support");
}
else if ((flags & FLAG_MF_4K) == FLAG_MF_4K) {
} else if ((flags & FLAG_MF_4K) == FLAG_MF_4K) {
memcpy(rATQA, rATQA_4k, sizeof(rATQA));
rSAK[0] = rSAK_4k;
Dbprintf("Mifare 4K");
@ -312,8 +307,7 @@ static bool MifareSimInit(uint16_t flags, uint8_t *datain, tag_response_info_t *
// Correct uid size bits in ATQA
rATQA[0] = (rATQA[0] & 0x3f) | 0x80; // triple size uid
}
else {
} else {
Dbprintf("[-] ERROR: UID size not defined");
return false;
}
@ -948,18 +942,16 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t
memcpy(response, rats, rats_len);
mf_crypto1_encrypt(pcs, response, rats_len, response_par);
EmSendCmdPar(response, rats_len, response_par);
}
else
} else
EmSendCmd(rats, rats_len);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[MFEMUL_WORK] RCV RATS => ACK");
}
else {
} else {
EmSend4bit(encrypted_data ? mf_crypto1_encrypt4bit(pcs, CARD_NACK_NA) : CARD_NACK_NA);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[MFEMUL_WORK] RCV RATS => NACK");
}
break;
}
// case MFEMUL_WORK => ISO14443A_CMD_NXP_DESELECT
if (receivedCmd_len == 3 && receivedCmd_dec[0] == ISO14443A_CMD_NXP_DESELECT) {
if (rats && rats_len) {
@ -968,12 +960,10 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t
memcpy(response, receivedCmd_dec, receivedCmd_len);
mf_crypto1_encrypt(pcs, response, receivedCmd_len, response_par);
EmSendCmdPar(response, receivedCmd_len, response_par);
}
else
} else
EmSendCmd(receivedCmd_dec, receivedCmd_len);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[MFEMUL_WORK] RCV NXP DESELECT => ACK");
}
else {
} else {
EmSend4bit(encrypted_data ? mf_crypto1_encrypt4bit(pcs, CARD_NACK_NA) : CARD_NACK_NA);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[MFEMUL_WORK] RCV NXP DESELECT => NACK");
}