RfidResearchGroup/proxmark3
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cleanup

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bosb 2020-03-06 17:08:08 +01:00
parent 95b759a799
commit 0cde69ee22
1 changed files with 13 additions and 19 deletions
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32
armsrc/hitagS.c
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@ -60,7 +60,7 @@ bool end = false;
#db# conf0: C9 conf1: 00 conf2: 00
3 2 1 0
#db# Page[ 0]: 84 11 C2 5F uid
#db# Page[ 1]: AA 00 00 C9 conf
#db# Page[ 1]: AA 00 00 C9 conf, HITAG S 256
#db# Page[ 2]: 4E 4F 54 48
#db# Page[ 3]: 52 4B 49 4D
#db# Page[ 4]: 00 00 00 00
@ -104,7 +104,7 @@ bool end = false;
#define HITAG_T_TAG_CAPTURE_THREE_HALF 41
#define HITAG_T_TAG_CAPTURE_FOUR_HALF 57
#define DBGLEVEL 4
#define DBGLEVEL 0
/*
* Implementation of the crc8 calculation from Hitag S
@ -225,6 +225,8 @@ static void hitag_send_bit(int bit) {
}
static void hitag_send_frame(const uint8_t *frame, size_t frame_len) {
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("hitag_send_frame: (%i) %02X %02X %02X %02X", frame_len, frame[0], frame[1], frame[2], frame[3]);
// The beginning of the frame is hidden in some high level; pause until our bits will have an effect
AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
HIGH(GPIO_SSC_DOUT);
@ -370,7 +372,7 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
case 5: {
//UID request with a selected response protocol mode
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("...UID req %i %02x", rxlen, rx[0]);
Dbprintf("UID request: length: %i first byte: %02x", rxlen, rx[0]);
tag.pstate = HT_READY;
tag.tstate = HT_NO_OP;
if ((rx[0] & 0xf0) == 0x30) {
@ -404,10 +406,10 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
case 45: {
//select command from reader received
if (DBGLEVEL >= DBG_EXTENDED)
DbpString("...select");
DbpString("SELECT");
if (check_select(rx, tag.uid) == 1) {
if (DBGLEVEL >= DBG_EXTENDED)
DbpString("...select match");
DbpString("SELECT match");
//if the right tag was selected
*txlen = 32;
hitagS_set_frame_modulation();
@ -471,9 +473,10 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
*/
}
break;
case 40:
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....write");
Dbprintf("WRITE");
//data received to be written
if (tag.tstate == HT_WRITING_PAGE_DATA) {
tag.tstate = HT_NO_OP;
@ -500,14 +503,10 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
break;
case 20: {
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....read");
//write page, write block, read page or read block command received
if ((rx[0] & 0xf0) == 0xc0) { //read page
//send page data
uint8_t page = ((rx[0] & 0x0f) * 16) + ((rx[1] & 0xf0) / 16);
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....page %i", page);
*txlen = 32;
tx[0] = tag.pages[page][0];
tx[1] = tag.pages[page][1];
@ -534,8 +533,6 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
} else if ((rx[0] & 0xf0) == 0xd0) { //read block
uint8_t page = ((rx[0] & 0x0f) * 16) + ((rx[1] & 0xf0) / 16);
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....block %i", page);
*txlen = 32 * 4;
//send page,...,page+3 data
for (int i = 0; i < 4; i++) {
@ -562,10 +559,6 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
} else if ((rx[0] & 0xf0) == 0x80) { //write page
uint8_t page = ((rx[0] & 0x0f) * 16) + ((rx[1] & 0xf0) / 16);
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....write page: %i", page);
hitagS_set_frame_modulation();
if ((tag.LCON && page == 1)
|| (tag.LKP && (page == 2 || page == 3))) {
//deny
@ -580,8 +573,6 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
} else if ((rx[0] & 0xf0) == 0x90) { //write block
uint8_t page = ((rx[0] & 0x0f) * 6) + ((rx[1] & 0xf0) / 16);
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("....write block: %i", page);
hitagS_set_frame_modulation();
if (page % 4 != 0 || page == 0) {
//deny
@ -599,7 +590,7 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
break;
default:
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("unknown rxlen: (%i) %02X %02X %02X %02X", rxlen, rx[0], rx[1], rx[2], rx[3]);
Dbprintf("unknown rxlen: (%i) %02X %02X %02X %02X ...", rxlen, rx[0], rx[1], rx[2], rx[3]);
break;
}
}
@ -1192,6 +1183,9 @@ void ReadHitagS(hitag_function htf, hitag_data *htd) {
uint64_t NrAr = 0;
uint8_t key_[6];
tag.pstate = HT_READY;
tag.tstate = HT_NO_OP;
switch (htf) {
case RHTSF_CHALLENGE: {
DbpString("Authenticating using nr,ar pair:");