rfidrig/proxmark3
0
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2026-05-12 11:18:11 -07:00
Code Issues Packages Projects Releases Wiki Activity

style

Browse Source
This commit is contained in:
iceman1001
2026-04-07 08:08:36 +07:00
parent 374e6d7b95
commit bdd39fb152
1 changed files with 33 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
armsrc/hitagS.c
+33 -33
View File
@@ -86,7 +86,7 @@ datasheet HitagS_V11.pdf bytes in tables printed 3 2 1 0
#define ht2bs_5c(a,b,c,d,e) (~((((((c^e)|d)&a)^b)&(c^b))^(((d^e)|a)&((d^b)|c))))
static void update_tag_max_page(void) {
//check which memorysize this tag has
// check which memorysize this tag has
if (tag.data.s.config.MEMT == 0x00) {
tag.max_page = 32 / (HITAGS_PAGE_SIZE * 8) - 1;
} else if (tag.data.s.config.MEMT == 0x1) {
@@ -164,7 +164,7 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
// Try to find out which command was send by selecting on length (in bits)
switch (rxlen) {
case 5: {
//UID request with a selected response protocol mode
// UID request with a selected response protocol mode
DBG Dbprintf("UID request: length: %i first byte: %02x", rxlen, rx[0]);
tag.pstate = HT_READY;
tag.tstate = HT_NO_OP;
@@ -187,22 +187,22 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
// case 14 to 44 AC SEQUENCE
case 45: {
//select command from reader received
// select command from reader received
DBG DbpString("SELECT");
if ((rx[0] & 0xf8) == HITAGS_SELECT && check_select(rx, BSWAP_32(tag.data.s.uid_le)) == 1) {
DBG DbpString("SELECT match");
//if the right tag was selected
// if the right tag was selected
*txlen = 32;
//send configuration
// send configuration
memcpy(tx, tag.data.pages[HITAGS_CONFIG_PADR], HITAGS_PAGE_SIZE - 1);
tx[3] = 0xff;
if (protocol_mode != HITAGS_UID_REQ_STD) {
//add crc8
// add crc8
crc = CRC8Hitag1Bits(tx, 32);
*txlen += 8;
tx[4] = crc;
@@ -211,7 +211,7 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
break;
}
case 64: {
//challenge message received
// challenge message received
DBG Dbprintf("Challenge for UID: %X", reader_selected_uid);
rotate_uid++;
@@ -261,7 +261,7 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
case 40: {
DBG Dbprintf("WRITE DATA");
//data received to be written
// data received to be written
if (tag.tstate == HT_WRITING_PAGE_DATA) {
tag.tstate = HT_NO_OP;
memcpy(tag.data.pages[page_to_be_written], rx, HITAGS_PAGE_SIZE);
@@ -272,7 +272,7 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
} else if (tag.tstate == HT_WRITING_BLOCK_DATA) {
memcpy(tag.data.pages[page_to_be_written], rx, HITAGS_PAGE_SIZE);
//send ack
// send ack
*txlen = 2;
tx[0] = 0x40;
page_to_be_written++;
@@ -286,7 +286,7 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
break;
}
case 20: {
//write page, write block, read page or read block command received
// write page, write block, read page or read block command received
uint8_t page = ((rx[0] & 0x0f) << 4) + ((rx[1] & 0xf0) >> 4);
// TODO: handle over max_page readonly to 00000000. 82xx mode
if (page > tag.max_page) {
@@ -294,8 +294,8 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
break;
}
if ((rx[0] & 0xf0) == HITAGS_READ_PAGE) { //read page
//send page data
if ((rx[0] & 0xf0) == HITAGS_READ_PAGE) { // read page
// send page data
*txlen = 32;
memcpy(tx, tag.data.pages[page], HITAGS_PAGE_SIZE);
@@ -304,53 +304,53 @@ static void hts_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
if (protocol_mode != HITAGS_UID_REQ_STD) {
//add crc8
// add crc8
crc = CRC8Hitag1Bits(tx, 32);
*txlen += 8;
tx[4] = crc;
}
if (tag.data.s.config.auth && tag.data.s.config.LKP && (page == 2 || page == 3)) {
//if reader asks for key or password and the LKP-mark is set do not respond
// if reader asks for key or password and the LKP-mark is set do not respond
*txlen = 0;
}
} else if ((rx[0] & 0xf0) == HITAGS_READ_BLOCK) { //read block
} else if ((rx[0] & 0xf0) == HITAGS_READ_BLOCK) { // read block
// TODO: handle auth LKP
*txlen = (HITAGS_BLOCK_SIZE - (page % 4) * HITAGS_PAGE_SIZE) * 8;
//send page,...,page+3 data
// send page,...,page+3 data
memcpy(tx, tag.data.pages[page], *txlen / 8);
if (protocol_mode != HITAGS_UID_REQ_STD) {
//add crc8
// add crc8
crc = CRC8Hitag1Bits(tx, *txlen);
*txlen += 8;
tx[16] = crc;
}
} else if ((rx[0] & 0xf0) == HITAGS_WRITE_PAGE) { //write page
} else if ((rx[0] & 0xf0) == HITAGS_WRITE_PAGE) { // write page
// TODO: handle con2 LCK*
if ((tag.data.s.config.LCON && page == 1)
|| (tag.data.s.config.LKP && (page == 2 || page == 3))) {
//deny
// deny
*txlen = 0;
} else {
//allow
// allow
*txlen = 2;
tx[0] = 0x40;
page_to_be_written = page;
tag.tstate = HT_WRITING_PAGE_DATA;
}
} else if ((rx[0] & 0xf0) == HITAGS_WRITE_BLOCK) { //write block
} else if ((rx[0] & 0xf0) == HITAGS_WRITE_BLOCK) { // write block
// TODO: handle LCON con2 LCK*
if ((tag.data.s.config.LCON && page == 1)
|| (tag.data.s.config.LKP && (page == 2 || page == 3))) {
//deny
// deny
*txlen = 0;
} else {
//allow
// allow
*txlen = 2;
tx[0] = 0x40;
page_to_be_written = page;
@@ -665,11 +665,11 @@ static int hts_select_tag(const lf_hitag_data_t *packet, uint8_t *tx, size_t siz
return -8;
}
//encrypted con2,password received.
// encrypted con2,password received.
DBG Dbprintf("UID... %08X", BSWAP_32(tag.data.s.uid_le));
DBG Dbprintf("RND... %02X%02X%02X%02X", rnd[0], rnd[1], rnd[2], rnd[3]);
//decrypt password
// decrypt password
pwdh0 = 0;
pwdl0 = 0;
pwdl1 = 0;
@@ -733,7 +733,7 @@ void hts_read(const lf_hitag_data_t *payload, bool ledcontrol) {
size_t rxlen = 0;
//send read request
// send read request
size_t txlen = 0;
uint8_t cmd = HITAGS_READ_PAGE;
txlen = concatbits(tx, txlen, &cmd, 0, 4, false);
@@ -754,7 +754,7 @@ void hts_read(const lf_hitag_data_t *payload, bool ledcontrol) {
continue;
}
//save received data - 40 bits
// save received data - 40 bits
memcpy(card.pages[page_index], rx, HITAGS_PAGE_SIZE);
if (g_dbglevel >= DBG_EXTENDED) {
@@ -775,7 +775,7 @@ void hts_read(const lf_hitag_data_t *payload, bool ledcontrol) {
page_addr++;
page_index++;
//display key and password if possible
// display key and password if possible
if (page_addr == 2 && card.config_page.s.auth == 1 && card.config_page.s.LKP) {
if (payload->cmd == HTSF_KEY) {
DBG Dbprintf("Page[ 2]: %02X %02X %02X %02X",
@@ -793,7 +793,7 @@ void hts_read(const lf_hitag_data_t *payload, bool ledcontrol) {
card.pages_reason[page_index++] = 1;
card.pages_reason[page_index++] = 1;
} else {
//if the authentication is done with a challenge the key and password are unknown
// if the authentication is done with a challenge the key and password are unknown
DBG Dbprintf("Page[ 2]: __ __ __ __");
DBG Dbprintf("Page[ 3]: __ __ __ __");
card.pages_reason[page_index++] = -11;
@@ -815,7 +815,7 @@ read_end:
*/
void hts_write_page(const lf_hitag_data_t *payload, bool ledcontrol) {
//check for valid input
// check for valid input
if (payload->page == 0) {
DBG Dbprintf("Warning, write page 0");
}
@@ -833,13 +833,13 @@ void hts_write_page(const lf_hitag_data_t *payload, bool ledcontrol) {
goto write_end;
}
//check if the given page exists
// check if the given page exists
if (payload->page > tag.max_page) {
DBG Dbprintf("Warning, page number too large");
// 82xx CON0 is fully modifiable
}
//send write page request
// send write page request
txlen = 0;
uint8_t cmd = HITAGS_WRITE_PAGE;
@@ -947,7 +947,7 @@ int hts_read_uid(uint32_t *uid, bool ledcontrol, bool send_answer) {
*/
void hts_check_challenges(const uint8_t *data, uint32_t datalen, bool ledcontrol) {
//check for valid input
// check for valid input
if (datalen < 8) {
DBG Dbprintf("Error, missing challenges");
reply_ng(CMD_LF_HITAGS_TEST_TRACES, PM3_EINVARG, NULL, 0);