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vratiskol 2019-03-18 13:36:36 +01:00
parent 619ef2ba37
commit 86955c1de2
1 changed files with 39 additions and 30 deletions
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69
armsrc/mifaresim.c
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@ -36,32 +36,32 @@ static bool IsTrailerAccessAllowed(uint8_t blockNo, uint8_t keytype, uint8_t act
| ((sector_trailer[8] >> 7) & 0x01);
switch (action) {
case AC_KEYA_READ: {
if (MF_DBGLEVEL >= 2) Dbprintf("IsTrailerAccessAllowed: AC_KEYA_READ");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_KEYA_READ");
return false;
}
case AC_KEYA_WRITE: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_KEYA_WRITE");
return ((keytype == AUTHKEYA && (AC == 0x00 || AC == 0x01))
|| (keytype == AUTHKEYB && (AC == 0x04 || AC == 0x03)));
|| (keytype == AUTHKEYB && (AC == 0x04 || AC == 0x03)));
}
case AC_KEYB_READ: {
if (MF_DBGLEVEL >= 2) Dbprintf("IsTrailerAccessAllowed: AC_KEYB_READ");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_KEYB_READ");
return (keytype == AUTHKEYA && (AC == 0x00 || AC == 0x02 || AC == 0x01));
}
case AC_KEYB_WRITE: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_KEYB_WRITE");
return ((keytype == AUTHKEYA && (AC == 0x00 || AC == 0x04))
|| (keytype == AUTHKEYB && (AC == 0x04 || AC == 0x03)));
|| (keytype == AUTHKEYB && (AC == 0x04 || AC == 0x03)));
}
case AC_AC_READ: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_AC_READ");
return ((keytype == AUTHKEYA)
|| (keytype == AUTHKEYB && !(AC == 0x00 || AC == 0x02 || AC == 0x01)));
|| (keytype == AUTHKEYB && !(AC == 0x00 || AC == 0x02 || AC == 0x01)));
}
case AC_AC_WRITE: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsTrailerAccessAllowed: AC_AC_WRITE");
return ((keytype == AUTHKEYA && (AC == 0x01))
|| (keytype == AUTHKEYB && (AC == 0x03 || AC == 0x05)));
|| (keytype == AUTHKEYB && (AC == 0x03 || AC == 0x05)));
}
default:
return false;
@ -73,9 +73,9 @@ static bool IsDataAccessAllowed(uint8_t blockNo, uint8_t keytype, uint8_t action
uint8_t sector_trailer[16];
emlGetMem(sector_trailer, SectorTrailer(blockNo), 1);
uint8_t sector_block;
if (blockNo < MIFARE_2K_MAXBLOCK) {
if (blockNo <= MIFARE_2K_MAXBLOCK) {
sector_block = blockNo & 0x03;
} else {
sector_block = (blockNo & 0x0f) / 5;
@ -85,43 +85,43 @@ static bool IsDataAccessAllowed(uint8_t blockNo, uint8_t keytype, uint8_t action
switch (sector_block) {
case 0x00: {
AC = ((sector_trailer[7] >> 2) & 0x04)
| ((sector_trailer[8] << 1) & 0x02)
| ((sector_trailer[8] >> 4) & 0x01);
if (MF_DBGLEVEL >= 2) Dbprintf("IsDataAccessAllowed: case 0x00");
| ((sector_trailer[8] << 1) & 0x02)
| ((sector_trailer[8] >> 4) & 0x01);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed: case 0x00 - %02x", AC);
break;
}
case 0x01: {
AC = ((sector_trailer[7] >> 3) & 0x04)
| ((sector_trailer[8] >> 0) & 0x02)
| ((sector_trailer[8] >> 5) & 0x01);
if (MF_DBGLEVEL >= 2) Dbprintf("IsDataAccessAllowed: case 0x01");
| ((sector_trailer[8] >> 0) & 0x02)
| ((sector_trailer[8] >> 5) & 0x01);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed: case 0x01 - %02x", AC);
break;
}
case 0x02: {
AC = ((sector_trailer[7] >> 4) & 0x04)
| ((sector_trailer[8] >> 1) & 0x02)
| ((sector_trailer[8] >> 6) & 0x01);
if (MF_DBGLEVEL >= 2) Dbprintf("IsDataAccessAllowed: case 0x02");
| ((sector_trailer[8] >> 1) & 0x02)
| ((sector_trailer[8] >> 6) & 0x01);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed: case 0x02 - %02x", AC);
break;
}
default:
if (MF_DBGLEVEL >= 2) Dbprintf("IsDataAccessAllowed: Error");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed: Error");
return false;
}
switch (action) {
case AC_DATA_READ: {
if (MF_DBGLEVEL >= 2) Dbprintf("AC_DATA_READ: OK");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed - AC_DATA_READ: OK");
return ((keytype == AUTHKEYA && !(AC == 0x03 || AC == 0x05 || AC == 0x07))
|| (keytype == AUTHKEYB && !(AC == 0x07)));
}
case AC_DATA_WRITE: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("AC_DATA_WRITE: OK");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed - AC_DATA_WRITE: OK");
return ((keytype == AUTHKEYA && (AC == 0x00))
|| (keytype == AUTHKEYB && (AC == 0x00 || AC == 0x04 || AC == 0x06 || AC == 0x03)));
}
case AC_DATA_INC: {
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("AC_DATA_WRITE: OK");
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("IsDataAccessAllowed - AC_DATA_INC: OK");
return ((keytype == AUTHKEYA && (AC == 0x00))
|| (keytype == AUTHKEYB && (AC == 0x00 || AC == 0x06)));
}
@ -785,36 +785,45 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t
blockNo = receivedCmd_dec[1];
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Reader reading block %d (0x%02x)", blockNo, blockNo);
emlGetMem(response, blockNo, 1);
if (MF_DBGLEVEL >= 2) {
Dbprintf("Data Block[%d]: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", blockNo,
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
Dbprintf("[ISO14443A_CMD_READBLOCK] Data Block[%d]: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", blockNo,
response[0], response[1], response[2], response[3], response[4], response[5], response[6],
response[7], response[8], response[9], response[10], response[11], response[12], response[13],
response[14],response[15]);
}
if (IsSectorTrailer(blockNo)) {
memset(response, 0x00, 6); // keyA can never be read
if (MF_DBGLEVEL >= 2) Dbprintf("[IsSectorTrailer] keyA can never be read - block %d (0x%02x)", blockNo, blockNo);
if (!IsAccessAllowed(blockNo, cardAUTHKEY, AC_KEYA_READ)) {
memset(response, 0x00, 6); // keyA can never be read, Why ??? Need source ?
// a0a1a2a3a4a561e789c1b0b1b2b3b4b5 => 00000000000061e789c1b0b1b2b3b4b5
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[IsSectorTrailer] keyA can never be read - block %d (0x%02x)", blockNo, blockNo);
}
if (!IsAccessAllowed(blockNo, cardAUTHKEY, AC_KEYB_READ)) {
memset(response + 10, 0x00, 6); // keyB cannot be read
if (MF_DBGLEVEL >= 2) Dbprintf("[IsSectorTrailer] keyB cannot be read - block %d (0x%02x)", blockNo, blockNo);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[IsSectorTrailer] keyB cannot be read - block %d (0x%02x)", blockNo, blockNo);
}
if (!IsAccessAllowed(blockNo, cardAUTHKEY, AC_AC_READ)) {
memset(response + 6, 0x00, 4); // AC bits cannot be read
if (MF_DBGLEVEL >= 2) Dbprintf("[IsAccessAllowed] AC bits cannot be read - block %d (0x%02x)", blockNo, blockNo);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[IsAccessAllowed] AC bits cannot be read - block %d (0x%02x)", blockNo, blockNo);
}
} else {
if (!IsAccessAllowed(blockNo, cardAUTHKEY, AC_DATA_READ)) {
memset(response, 0x00, 16); // datablock cannot be read
if (MF_DBGLEVEL >= 2) Dbprintf("[IsAccessAllowed] Data block %d (0x%02x) cannot be read", blockNo, blockNo);
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("[IsAccessAllowed] Data block %d (0x%02x) cannot be read", blockNo, blockNo);
}
}
AppendCrc14443a(response, 16);
mf_crypto1_encrypt(pcs, response, MAX_MIFARE_FRAME_SIZE, response_par);
EmSendCmdPar(response, MAX_MIFARE_FRAME_SIZE, response_par);
if (MF_DBGLEVEL >= 2) {
Dbprintf("[EmSendCmdPar] Data Block[%d]: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", blockNo,
response[0], response[1], response[2], response[3], response[4], response[5], response[6],
response[7], response[8], response[9], response[10], response[11], response[12], response[13],
response[14],response[15]);
}
numReads++;
if (MF_DBGLEVEL >= 2) Dbprintf("Num Read: %d",numReads);
if (exitAfterNReads > 0 && numReads == exitAfterNReads) {
Dbprintf("%d reads done, exiting", numReads);
finished = true;