//-----------------------------------------------------------------------------
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Low frequency T55xx commands
//-----------------------------------------------------------------------------
// ensure localtime_r is available even with -std=c99; must be included before
#if !defined(_WIN32)
#define _POSIX_C_SOURCE 200112L
#endif
#include "cmdlft55xx.h"
#include <ctype.h>
#include <time.h> // MingW
#include "cmdparser.h" // command_t
#include "comms.h"
#include "commonutil.h"
#include "protocols.h"
#include "graph.h"
#include "cmddata.h"
#include "lfdemod.h"
#include "cmdhf14a.h" // for getTagInfo
#include "loclass/fileutils.h" // loadDictionary
#include "util_posix.h"
// Some defines for readability
#define T55XX_DLMODE_FIXED 0 // Default Mode
#define T55XX_DLMODE_LLR 1 // Long Leading Reference
#define T55XX_DLMODE_LEADING_ZERO 2 // Leading Zero
#define T55XX_DLMODE_1OF4 3 // 1 of 4
#define T55XX_LONGLEADINGREFERENCE 4 // Value to tell Write Bit to send long reference
// Default configuration
t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = false, .offset = 0x00, .block0 = 0x00, .Q5 = false };
t55xx_conf_block_t Get_t55xx_Config() {
return config;
}
void Set_t55xx_Config(t55xx_conf_block_t conf) {
config = conf;
}
static void print_usage_t55xx_downloadlink(void) {
PrintAndLogEx(NORMAL, " r <mode> - downlink encoding 0|1|2|3");
PrintAndLogEx(NORMAL, " 0 - fixed bit length (default)");
PrintAndLogEx(NORMAL, " 1 - long leading reference");
PrintAndLogEx(NORMAL, " 2 - leading zero");
PrintAndLogEx(NORMAL, " 3 - 1 of 4 coding reference");
}
static int usage_t55xx_config() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx config [d <demodulation>] [i [0/1]] [o <offset>] [Q5 [0/1]] [ST [0/1]]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - This help");
PrintAndLogEx(NORMAL, " b <8|16|32|40|50|64|100|128> - Set bitrate");
PrintAndLogEx(NORMAL, " d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> - Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
PrintAndLogEx(NORMAL, " i [0/1] - Set/reset data signal inversion");
PrintAndLogEx(NORMAL, " o [offset] - Set offset, where data should start decode in bitstream");
PrintAndLogEx(NORMAL, " Q5 [0/1] - Set/reset as Q5(T5555) chip instead of T55x7");
PrintAndLogEx(NORMAL, " ST [0/1] - Set/reset Sequence Terminator on");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx config d FSK - FSK demodulation");
PrintAndLogEx(NORMAL, " lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
PrintAndLogEx(NORMAL, " lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_read() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx read [r <mode>] b <block> [p <password>] <override_safety> <page1>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " b <block> - block number to read. Between 0-7");
PrintAndLogEx(NORMAL, " p <password> - OPTIONAL password (8 hex characters)");
PrintAndLogEx(NORMAL, " o - OPTIONAL override safety check");
PrintAndLogEx(NORMAL, " 1 - OPTIONAL 0|1 read Page 1 instead of Page 0");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, " ****WARNING****");
PrintAndLogEx(NORMAL, " Use of read with password on a tag not configured for a pwd");
PrintAndLogEx(NORMAL, " can damage the tag");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx read b 0 - read data from block 0");
PrintAndLogEx(NORMAL, " lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
PrintAndLogEx(NORMAL, " lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_write() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx write [r <mode>] b <block> d <data> [p <password>] [1] [t]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " b <block> - block number to write. Between 0-7");
PrintAndLogEx(NORMAL, " d <data> - 4 bytes of data to write (8 hex characters)");
PrintAndLogEx(NORMAL, " p <password> - OPTIONAL password 4bytes (8 hex characters)");
PrintAndLogEx(NORMAL, " 1 - OPTIONAL write Page 1 instead of Page 0");
PrintAndLogEx(NORMAL, " t - OPTIONAL test mode write - ****DANGER****");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
PrintAndLogEx(NORMAL, " lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_trace() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx trace [r mode]");
PrintAndLogEx(NORMAL, "Options:");
print_usage_t55xx_downloadlink();
// Command did not seem to support the 1 option (yet) so have removed the help lines
// PrintAndLogEx(NORMAL, " 1 - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx trace");
// PrintAndLogEx(NORMAL, " lf t55xx trace 1");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_info() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx info [1] [r <mode>] [d <data> [q]]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " (default) - read data from tag.");
PrintAndLogEx(NORMAL, " 1 - if set, use Graphbuffer instead of reading tag.");
PrintAndLogEx(NORMAL, " d <data> - 4 bytes of data (8 hex characters)");
PrintAndLogEx(NORMAL, " if set, use these data instead of reading tag.");
PrintAndLogEx(NORMAL, " q - if set, provided data are interpreted as Q5 config.");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx info");
PrintAndLogEx(NORMAL, " lf t55xx info 1");
PrintAndLogEx(NORMAL, " lf t55xx info d 00083040");
PrintAndLogEx(NORMAL, " lf t55xx info d 6001805A q");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_dump() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx dump [r <mode>] [<password> [o]]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " <password> - OPTIONAL password 4bytes (8 hex symbols)");
PrintAndLogEx(NORMAL, " o - OPTIONAL override, force pwd read despite danger to card");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx dump");
PrintAndLogEx(NORMAL, " lf t55xx dump feedbeef o");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_detect() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx detect [1] [r <mode>] [p <password>]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " 1 - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLogEx(NORMAL, " p <password - OPTIONAL password (8 hex characters)");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx detect");
PrintAndLogEx(NORMAL, " lf t55xx detect 1");
PrintAndLogEx(NORMAL, " lf t55xx detect p 11223344");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_detectP1() {
PrintAndLogEx(NORMAL, "Command: Detect Page 1 of a t55xx chip");
PrintAndLogEx(NORMAL, "Usage: lf t55xx p1detect [1] [r <mode>] [p <password>]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " 1 - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLogEx(NORMAL, " p <password> - OPTIONAL password (8 hex characters)");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx p1detect");
PrintAndLogEx(NORMAL, " lf t55xx p1detect 1");
PrintAndLogEx(NORMAL, " lf t55xx p1detect p 11223344");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_wakup() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx wakeup [h] [r <mode>] p <password>");
PrintAndLogEx(NORMAL, "This commands sends the Answer-On-Request command and leaves the readerfield ON afterwards.");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " p <password> - password 4bytes (8 hex symbols)");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx wakeup p 11223344 - send wakeup password");
return PM3_SUCCESS;
}
static int usage_t55xx_chk() {
PrintAndLogEx(NORMAL, "This command uses a dictionary attack");
PrintAndLogEx(NORMAL, "press " _YELLOW_("'enter'") " to cancel the command");
PrintAndLogEx(NORMAL, "WARNING: this may brick non-password protected chips!");
PrintAndLogEx(NORMAL, "Try to reading block 7 before\n");
PrintAndLogEx(NORMAL, "Usage: lf t55xx chk [h] [m] [r <mode>] [i <*.dic>]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " m - use dictionary from flashmemory\n");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, " i <*.dic> - loads a default keys dictionary file <*.dic>");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx chk m");
PrintAndLogEx(NORMAL, " lf t55xx chk i default_pwd.dic");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_bruteforce() {
PrintAndLogEx(NORMAL, "This command uses bruteforce to scan a number range");
PrintAndLogEx(NORMAL, "press " _YELLOW_("'enter'") " to cancel the command");
PrintAndLogEx(NORMAL, "WARNING: this may brick non-password protected chips!");
PrintAndLogEx(NORMAL, "Try reading block 7 before\n");
PrintAndLogEx(NORMAL, "Usage: lf t55xx bruteforce [h] [r <mode>] <start password> <end password>");
PrintAndLogEx(NORMAL, " password must be 4 bytes (8 hex symbols)");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, " <start_pwd> - 4 byte hex value to start pwd search at");
PrintAndLogEx(NORMAL, " <end_pwd> - 4 byte hex value to end pwd search at");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx bruteforce r 2 aaaaaa77 aaaaaa99");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_recoverpw() {
PrintAndLogEx(NORMAL, "This command uses a few tricks to try to recover mangled password");
PrintAndLogEx(NORMAL, "press " _YELLOW_("'enter'") " to cancel the command");
PrintAndLogEx(NORMAL, "WARNING: this may brick non-password protected chips!");
PrintAndLogEx(NORMAL, "Try reading block 7 before\n");
PrintAndLogEx(NORMAL, "Usage: lf t55xx recoverpw [r <mode>] [password]");
PrintAndLogEx(NORMAL, " password must be 4 bytes (8 hex symbols)");
PrintAndLogEx(NORMAL, " default password is 51243648, used by many cloners");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, " [password] - 4 byte hex value of password written by cloner");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx recoverpw");
PrintAndLogEx(NORMAL, " lf t55xx r 3 recoverpw 51243648");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int usage_t55xx_wipe() {
PrintAndLogEx(NORMAL, "Usage: lf t55xx wipe [h] [Q5]");
PrintAndLogEx(NORMAL, "This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " Q5 - indicates to use the T5555 (Q5) default configuration block");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
PrintAndLogEx(NORMAL, " lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
return PM3_SUCCESS;
}
static int usage_lf_deviceconfig() {
PrintAndLogEx(NORMAL, "Sets t55x7 timings for direct commands. The timings are set here in Field Clocks (FC), \nwhich is converted to (US) on device");
PrintAndLogEx(NORMAL, "Usage: lf t55xx deviceconfig [r <mode>] a <gap> b <gap> c <gap> d <gap> e <gap> f <gap> g <gap> [p]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - This help");
PrintAndLogEx(NORMAL, " a <8..255> - Set start gap");
PrintAndLogEx(NORMAL, " b <8..255> - Set write gap");
PrintAndLogEx(NORMAL, " c <8..255> - Set write ZERO gap");
PrintAndLogEx(NORMAL, " d <8..255> - Set write ONE gap");
PrintAndLogEx(NORMAL, " e <8..255> - Set read gap");
PrintAndLogEx(NORMAL, " f <8..255> - Set write TWO gap (1 of 4 only)");
PrintAndLogEx(NORMAL, " g <8..255> - Set write THREE gap (1 of 4 only)");
PrintAndLogEx(NORMAL, " p - persist to flashmemory");
print_usage_t55xx_downloadlink();
PrintAndLogEx(NORMAL, " z - Set default t55x7 timings (use p to save if required)");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf t55xx deviceconfig a 29 b 17 c 15 d 47 e 15 - default T55XX");
PrintAndLogEx(NORMAL, " lf t55xx deviceconfig a 55 b 14 c 21 d 30 - default EM4305");
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int CmdHelp(const char *Cmd);
void printT5xxHeader(uint8_t page) {
PrintAndLogEx(NORMAL, "Reading Page %d:", page);
PrintAndLogEx(NORMAL, "blk | hex data | binary | ascii");
PrintAndLogEx(NORMAL, "----+----------+----------------------------------+-------");
}
static int CmdT55xxSetConfig(const char *Cmd) {
uint8_t offset = 0, bitRate = 0;
char modulation[6] = {0x00};
uint8_t rates[9] = {8, 16, 32, 40, 50, 64, 100, 128, 0};
uint8_t cmdp = 0;
bool errors = false;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
char tmp = tolower(param_getchar(Cmd, cmdp));
switch (tmp) {
case 'h':
return usage_t55xx_config();
case 'b':
errors |= param_getdec(Cmd, cmdp + 1, &bitRate);
if (!errors) {
uint8_t i = 0;
for (; i < 9; i++) {
if (rates[i] == bitRate) {
config.bitrate = i;
break;
}
}
if (i == 9) errors = true;
}
cmdp += 2;
break;
case 'd':
param_getstr(Cmd, cmdp + 1, modulation, sizeof(modulation));
cmdp += 2;
if (strcmp(modulation, "FSK") == 0) {
config.modulation = DEMOD_FSK;
} else if (strcmp(modulation, "FSK1") == 0) {
config.modulation = DEMOD_FSK1;
config.inverted = 1;
} else if (strcmp(modulation, "FSK1a") == 0) {
config.modulation = DEMOD_FSK1a;
config.inverted = 0;
} else if (strcmp(modulation, "FSK2") == 0) {
config.modulation = DEMOD_FSK2;
config.inverted = 0;
} else if (strcmp(modulation, "FSK2a") == 0) {
config.modulation = DEMOD_FSK2a;
config.inverted = 1;
} else if (strcmp(modulation, "ASK") == 0) {
config.modulation = DEMOD_ASK;
} else if (strcmp(modulation, "NRZ") == 0) {
config.modulation = DEMOD_NRZ;
} else if (strcmp(modulation, "PSK1") == 0) {
config.modulation = DEMOD_PSK1;
} else if (strcmp(modulation, "PSK2") == 0) {
config.modulation = DEMOD_PSK2;
} else if (strcmp(modulation, "PSK3") == 0) {
config.modulation = DEMOD_PSK3;
} else if (strcmp(modulation, "BIa") == 0) {
config.modulation = DEMOD_BIa;
config.inverted = 1;
} else if (strcmp(modulation, "BI") == 0) {
config.modulation = DEMOD_BI;
config.inverted = 0;
} else {
PrintAndLogEx(WARNING, "Unknown modulation '%s'", modulation);
errors = true;
}
break;
case 'i':
if ((param_getchar(Cmd, cmdp + 1) == '0') || (param_getchar(Cmd, cmdp + 1) == '1')) {
config.inverted = param_getchar(Cmd, cmdp + 1) == '1';
cmdp += 2;
} else {
config.inverted = true;
cmdp += 1;
}
break;
case 'o':
errors |= param_getdec(Cmd, cmdp + 1, &offset);
if (!errors)
config.offset = offset;
cmdp += 2;
break;
case 'q':
if ((param_getchar(Cmd, cmdp + 1) == '0') || (param_getchar(Cmd, cmdp + 1) == '1')) {
config.Q5 = param_getchar(Cmd, cmdp + 1) == '1';
cmdp += 2;
} else {
config.Q5 = true;
cmdp += 1;
}
break;
case 's':
if ((param_getchar(Cmd, cmdp + 1) == '0') || (param_getchar(Cmd, cmdp + 1) == '1')) {
config.ST = param_getchar(Cmd, cmdp + 1) == '1';
cmdp += 2;
} else {
config.ST = true;
cmdp += 1;
}
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
// No args
if (cmdp == 0) return printConfiguration(config);
//Validations
if (errors) return usage_t55xx_config();
config.block0 = 0;
return printConfiguration(config);
}
int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, uint8_t override, uint32_t password, uint8_t downlink_mode) {
//Password mode
if (usepwd) {
// try reading the config block and verify that PWD bit is set before doing this!
if (!override) {
if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0, downlink_mode)) return PM3_ESOFT;
if (!tryDetectModulation()) {
PrintAndLogEx(NORMAL, "Safety Check: Could not detect if PWD bit is set in config block. Exits.");
return 0;
} else {
PrintAndLogEx(NORMAL, "Safety Check: PWD bit is NOT set in config block. Reading without password...");
usepwd = false;
page1 = false;
}
} else {
// Show only if first for command i.e. override = 1 (override and display) override = 2 (override and dont display)
if ((override & 2) != 2)
PrintAndLogEx(NORMAL, "Safety Check Overriden - proceeding despite risk");
}
}
if (!AquireData(page1, block, usepwd, password, downlink_mode)) return PM3_ESOFT;
if (!DecodeT55xxBlock()) return PM3_ESOFT;
printT55xxBlock(block);
return PM3_SUCCESS;
}
static int CmdT55xxReadBlock(const char *Cmd) {
uint8_t block = REGULAR_READ_MODE_BLOCK;
uint32_t password = 0; //default to blank Block 7
bool usepwd = false;
bool override = false;
bool page1 = false;
bool errors = false;
uint8_t cmdp = 0;
uint8_t downlink_mode = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_read();
case 'b':
errors |= param_getdec(Cmd, cmdp + 1, &block);
cmdp += 2;
break;
case 'o':
override = true;
cmdp++;
break;
case 'p':
password = param_get32ex(Cmd, cmdp + 1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case '1':
page1 = true;
cmdp++;
break;
case 'r':
case 'R':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_read();
if (block > 7 && block != REGULAR_READ_MODE_BLOCK) {
PrintAndLogEx(NORMAL, "Block must be between 0 and 7");
return PM3_ESOFT;
}
printT5xxHeader(page1);
return T55xxReadBlock(block, page1, usepwd, override, password, downlink_mode);
}
bool DecodeT55xxBlock(void) {
char buf[30] = {0x00};
char *cmdStr = buf;
int ans = 0;
bool ST = config.ST;
uint8_t bitRate[8] = {8, 16, 32, 40, 50, 64, 100, 128};
DemodBufferLen = 0x00;
switch (config.modulation) {
case DEMOD_FSK:
snprintf(cmdStr, sizeof(buf), "%d %d", bitRate[config.bitrate], config.inverted);
ans = FSKrawDemod(cmdStr, false);
break;
case DEMOD_FSK1:
case DEMOD_FSK1a:
snprintf(cmdStr, sizeof(buf), "%d %d 8 5", bitRate[config.bitrate], config.inverted);
ans = FSKrawDemod(cmdStr, false);
break;
case DEMOD_FSK2:
case DEMOD_FSK2a:
snprintf(cmdStr, sizeof(buf), "%d %d 10 8", bitRate[config.bitrate], config.inverted);
ans = FSKrawDemod(cmdStr, false);
break;
case DEMOD_ASK:
snprintf(cmdStr, sizeof(buf), "%d %d 1", bitRate[config.bitrate], config.inverted);
ans = ASKDemod_ext(cmdStr, false, false, 1, &ST);
break;
case DEMOD_PSK1:
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
save_restoreGB(GRAPH_SAVE);
CmdLtrim("150");
snprintf(cmdStr, sizeof(buf), "%d %d 6", bitRate[config.bitrate], config.inverted);
ans = PSKDemod(cmdStr, false);
//undo trim samples
save_restoreGB(GRAPH_RESTORE);
break;
case DEMOD_PSK2: //inverted won't affect this
case DEMOD_PSK3: //not fully implemented
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
save_restoreGB(GRAPH_SAVE);
CmdLtrim("150");
snprintf(cmdStr, sizeof(buf), "%d 0 6", bitRate[config.bitrate]);
ans = PSKDemod(cmdStr, false);
psk1TOpsk2(DemodBuffer, DemodBufferLen);
//undo trim samples
save_restoreGB(GRAPH_RESTORE);
break;
case DEMOD_NRZ:
snprintf(cmdStr, sizeof(buf), "%d %d 1", bitRate[config.bitrate], config.inverted);
ans = NRZrawDemod(cmdStr, false);
break;
case DEMOD_BI:
case DEMOD_BIa:
snprintf(cmdStr, sizeof(buf), "0 %d %d 1", bitRate[config.bitrate], config.inverted);
ans = ASKbiphaseDemod(cmdStr, false);
break;
default:
return false;
}
return (ans == PM3_SUCCESS);
}
static bool DecodeT5555TraceBlock(void) {
DemodBufferLen = 0x00;
// According to datasheet. Always: RF/64, not inverted, Manchester
return (ASKDemod("64 0 1", false, false, 1) == PM3_SUCCESS);
}
// sanity check. Don't use proxmark if it is offline and you didn't specify useGraphbuf
static int SanityOfflineCheck(bool useGraphBuffer) {
if (!useGraphBuffer && !session.pm3_present) {
PrintAndLogEx(WARNING, "Your proxmark3 device is offline. Specify [1] to use graphbuffer data instead");
return PM3_ENODATA;
}
return PM3_SUCCESS;
}
void T55xx_Print_DownlinkMode(uint8_t downlink_mode) {
char msg[80];
sprintf(msg, "Downlink Mode used : ");
switch (downlink_mode) {
case 1 :
strcat(msg, _YELLOW_("long leading reference"));
break;
case 2 :
strcat(msg, _YELLOW_("leading zero reference"));
break;
case 3 :
strcat(msg, _YELLOW_("1 of 4 coding reference"));
break;
default :
strcat(msg, _YELLOW_("default/fixed bit length"));
break;
}
PrintAndLogEx(NORMAL, msg);
}
//
static int CmdT55xxDetect(const char *Cmd) {
bool errors = false;
bool useGB = false;
bool usepwd = false;
bool try_all_dl_modes = false;
bool found = false;
uint32_t password = 0;
uint8_t cmdp = 0;
uint8_t downlink_mode = 0;
uint8_t dl_mode = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_detect();
case 'p':
password = param_get32ex(Cmd, cmdp + 1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case '1':
// use Graphbuffer data
useGB = true;
cmdp++;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode == 4) try_all_dl_modes = true;
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_detect();
// sanity check.
if (SanityOfflineCheck(useGB) != PM3_SUCCESS) return PM3_ENODATA;
if (!useGB) {
for (dl_mode = downlink_mode; dl_mode < 4; dl_mode++) {
found = AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password, dl_mode);
// found = false if password is supplied but wrong d/l mode
// so keep trying other modes (if requested)
/*
if (!found) {
printf ("Aquire not found");
return PM3_ENODATA;
}
*/
if (tryDetectModulation()) {
T55xx_Print_DownlinkMode(dl_mode);
dl_mode = 4;
found = true;
} else found = false;
if (!try_all_dl_modes) dl_mode = 4;
}
}
if (useGB) found = tryDetectModulation();
if (!found)
PrintAndLogEx(WARNING, "Could not detect modulation automatically. Try setting it manually with " _YELLOW_("\'lf t55xx config\'"));
/*
if (!useGB) {
if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password,downlink_mode))
return PM3_ENODATA;
}
if (!tryDetectModulation())
PrintAndLogEx(WARNING, "Could not detect modulation automatically. Try setting it manually with " _YELLOW_("\'lf t55xx config\'"));
else
T55xx_Print_DownlinkMode (downlink_mode);
*/
return PM3_SUCCESS;
}
// detect configuration?
bool tryDetectModulation(void) {
t55xx_conf_block_t tests[15];
int bitRate = 0, clk = 0, firstClockEdge = 0;
uint8_t hits = 0, fc1 = 0, fc2 = 0, ans = 0;
ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, &firstClockEdge);
if (ans && ((fc1 == 10 && fc2 == 8) || (fc1 == 8 && fc2 == 5))) {
if ((FSKrawDemod("0 0", false) == PM3_SUCCESS) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_FSK;
if (fc1 == 8 && fc2 == 5)
tests[hits].modulation = DEMOD_FSK1a;
else if (fc1 == 10 && fc2 == 8)
tests[hits].modulation = DEMOD_FSK2;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
if ((FSKrawDemod("0 1", false) == PM3_SUCCESS) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_FSK;
if (fc1 == 8 && fc2 == 5)
tests[hits].modulation = DEMOD_FSK1;
else if (fc1 == 10 && fc2 == 8)
tests[hits].modulation = DEMOD_FSK2a;
tests[hits].bitrate = bitRate;
tests[hits].inverted = true;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
} else {
clk = GetAskClock("", false);
if (clk > 0) {
tests[hits].ST = true;
// "0 0 1 " == clock auto, invert false, maxError 1.
// false = no verbose
// false = no emSearch
// 1 = Ask/Man
// st = true
if ((ASKDemod_ext("0 0 1", false, false, 1, &tests[hits].ST) == PM3_SUCCESS) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_ASK;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
tests[hits].ST = true;
// "0 0 1 " == clock auto, invert true, maxError 1.
// false = no verbose
// false = no emSearch
// 1 = Ask/Man
// st = true
if ((ASKDemod_ext("0 1 1", false, false, 1, &tests[hits].ST) == PM3_SUCCESS) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_ASK;
tests[hits].bitrate = bitRate;
tests[hits].inverted = true;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
if ((ASKbiphaseDemod("0 0 0 2", false) == PM3_SUCCESS) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_BI;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
if ((ASKbiphaseDemod("0 0 1 2", false) == PM3_SUCCESS) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_BIa;
tests[hits].bitrate = bitRate;
tests[hits].inverted = true;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
}
clk = GetNrzClock("", false);
if (clk > 8) { //clock of rf/8 is likely a false positive, so don't use it.
if ((NRZrawDemod("0 0 1", false) == PM3_SUCCESS) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_NRZ;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
if ((NRZrawDemod("0 1 1", false) == PM3_SUCCESS) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_NRZ;
tests[hits].bitrate = bitRate;
tests[hits].inverted = true;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
}
clk = GetPskClock("", false);
if (clk > 0) {
// allow undo
save_restoreGB(GRAPH_SAVE);
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
CmdLtrim("160");
if ((PSKDemod("0 0 6", false) == PM3_SUCCESS) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_PSK1;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
if ((PSKDemod("0 1 6", false) == PM3_SUCCESS) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_PSK1;
tests[hits].bitrate = bitRate;
tests[hits].inverted = true;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
//ICEMAN: are these PSKDemod calls needed?
// PSK2 - needs a call to psk1TOpsk2.
if (PSKDemod("0 0 6", false) == PM3_SUCCESS) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_PSK2;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
} // inverse waves does not affect this demod
// PSK3 - needs a call to psk1TOpsk2.
if (PSKDemod("0 0 6", false) == PM3_SUCCESS) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
tests[hits].modulation = DEMOD_PSK3;
tests[hits].bitrate = bitRate;
tests[hits].inverted = false;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
tests[hits].ST = false;
++hits;
}
} // inverse waves does not affect this demod
//undo trim samples
save_restoreGB(GRAPH_RESTORE);
}
}
if (hits == 1) {
config.modulation = tests[0].modulation;
config.bitrate = tests[0].bitrate;
config.inverted = tests[0].inverted;
config.offset = tests[0].offset;
config.block0 = tests[0].block0;
config.Q5 = tests[0].Q5;
config.ST = tests[0].ST;
printConfiguration(config);
return true;
}
bool retval = false;
if (hits > 1) {
PrintAndLogEx(SUCCESS, "Found [%d] possible matches for modulation.", hits);
for (int i = 0; i < hits; ++i) {
retval = testKnownConfigBlock(tests[i].block0);
if (retval) {
PrintAndLogEx(NORMAL, "--[%d]--------------- << selected this", i + 1);
config.modulation = tests[i].modulation;
config.bitrate = tests[i].bitrate;
config.inverted = tests[i].inverted;
config.offset = tests[i].offset;
config.block0 = tests[i].block0;
config.Q5 = tests[i].Q5;
config.ST = tests[i].ST;
} else {
PrintAndLogEx(NORMAL, "--[%d]---------------", i + 1);
}
printConfiguration(tests[i]);
}
}
return retval;
}
bool testKnownConfigBlock(uint32_t block0) {
switch (block0) {
case T55X7_DEFAULT_CONFIG_BLOCK:
case T55X7_RAW_CONFIG_BLOCK:
case T55X7_EM_UNIQUE_CONFIG_BLOCK:
case T55X7_FDXB_CONFIG_BLOCK:
case T55X7_HID_26_CONFIG_BLOCK:
case T55X7_PYRAMID_CONFIG_BLOCK:
case T55X7_INDALA_64_CONFIG_BLOCK:
case T55X7_INDALA_224_CONFIG_BLOCK:
case T55X7_GUARDPROXII_CONFIG_BLOCK:
case T55X7_VIKING_CONFIG_BLOCK:
case T55X7_NORALYS_CONFIG_BLOCK:
case T55X7_IOPROX_CONFIG_BLOCK:
case T55X7_PRESCO_CONFIG_BLOCK:
case T55X7_NEDAP_64_CONFIG_BLOCK:
case T55X7_NEDAP_128_CONFIG_BLOCK:
return true;
}
return false;
}
bool GetT55xxBlockData(uint32_t *blockdata) {
if (DemodBufferLen == 0)
return false;
uint8_t idx = config.offset;
if (idx + 32 > DemodBufferLen) {
PrintAndLogEx(WARNING, "The configured offset %d is too big. Possible offset: %d)", idx, DemodBufferLen - 32);
return false;
}
*blockdata = PackBits(0, 32, DemodBuffer + idx);
return true;
}
void printT55xxBlock(uint8_t blockNum) {
uint32_t blockData = 0;
uint8_t bytes[4] = {0};
if (GetT55xxBlockData(&blockData) == false)
return;
num_to_bytes(blockData, 4, bytes);
PrintAndLogEx(NORMAL, " %02d | %08X | %s | %s", blockNum, blockData, sprint_bin(DemodBuffer + config.offset, 32), sprint_ascii(bytes, 4));
}
static bool testModulation(uint8_t mode, uint8_t modread) {
switch (mode) {
case DEMOD_FSK:
if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return true;
break;
case DEMOD_ASK:
if (modread == DEMOD_ASK) return true;
break;
case DEMOD_PSK1:
if (modread == DEMOD_PSK1) return true;
break;
case DEMOD_PSK2:
if (modread == DEMOD_PSK2) return true;
break;
case DEMOD_PSK3:
if (modread == DEMOD_PSK3) return true;
break;
case DEMOD_NRZ:
if (modread == DEMOD_NRZ) return true;
break;
case DEMOD_BI:
if (modread == DEMOD_BI) return true;
break;
case DEMOD_BIa:
if (modread == DEMOD_BIa) return true;
break;
default:
return false;
}
return false;
}
static bool testQ5Modulation(uint8_t mode, uint8_t modread) {
switch (mode) {
case DEMOD_FSK:
if (modread >= 4 && modread <= 5) return true;
break;
case DEMOD_ASK:
if (modread == 0) return true;
break;
case DEMOD_PSK1:
if (modread == 1) return true;
break;
case DEMOD_PSK2:
if (modread == 2) return true;
break;
case DEMOD_PSK3:
if (modread == 3) return true;
break;
case DEMOD_NRZ:
if (modread == 7) return true;
break;
case DEMOD_BI:
if (modread == 6) return true;
break;
default:
return false;
}
return false;
}
static int convertQ5bitRate(uint8_t bitRateRead) {
uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
for (int i = 0; i < 8; i++)
if (expected[i] == bitRateRead)
return i;
return -1;
}
static bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk) {
if (DemodBufferLen < 64) return false;
for (uint8_t idx = 28; idx < 64; idx++) {
uint8_t si = idx;
if (PackBits(si, 28, DemodBuffer) == 0x00) continue;
uint8_t safer = PackBits(si, 4, DemodBuffer);
si += 4; //master key
uint8_t resv = PackBits(si, 8, DemodBuffer);
si += 8;
// 2nibble must be zeroed.
if (safer != 0x6 && safer != 0x9) continue;
if (resv > 0x00) continue;
//uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
//uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
si += 1 + 1;
int bitRate = PackBits(si, 6, DemodBuffer) * 2 + 2;
si += 6; //bit rate
if (bitRate > 128 || bitRate < 8) continue;
//uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
//uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
//uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
si += 1 + 1 + 2 + 1;
uint8_t modread = PackBits(si, 3, DemodBuffer);
si += 3;
uint8_t maxBlk = PackBits(si, 3, DemodBuffer);
si += 3;
//uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
if (maxBlk == 0) continue;
//test modulation
if (!testQ5Modulation(mode, modread)) continue;
if (bitRate != clk) continue;
*fndBitRate = convertQ5bitRate(bitRate);
if (*fndBitRate < 0) continue;
*offset = idx;
return true;
}
return false;
}
static bool testBitRate(uint8_t readRate, uint8_t clk) {
uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
if (expected[readRate] == clk)
return true;
return false;
}
bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5) {
if (DemodBufferLen < 64) return false;
for (uint8_t idx = 28; idx < 64; idx++) {
uint8_t si = idx;
if (PackBits(si, 28, DemodBuffer) == 0x00) continue;
uint8_t safer = PackBits(si, 4, DemodBuffer);
si += 4; //master key
uint8_t resv = PackBits(si, 4, DemodBuffer);
si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
// 2nibble must be zeroed.
// moved test to here, since this gets most faults first.
if (resv > 0x00) continue;
int bitRate = PackBits(si, 6, DemodBuffer);
si += 6; //bit rate (includes extended mode part of rate)
uint8_t extend = PackBits(si, 1, DemodBuffer);
si += 1; //bit 15 extended mode
uint8_t modread = PackBits(si, 5, DemodBuffer);
si += 5 + 2 + 1;
//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
//uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
//uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
//if extended mode
bool extMode = ((safer == 0x6 || safer == 0x9) && extend) ? true : false;
if (!extMode) {
if (bitRate > 7) continue;
if (!testBitRate(bitRate, clk)) continue;
} else { //extended mode bitrate = same function to calc bitrate as em4x05
if (EM4x05_GET_BITRATE(bitRate) != clk) continue;
}
//test modulation
if (!testModulation(mode, modread)) continue;
*fndBitRate = bitRate;
*offset = idx;
*Q5 = false;
return true;
}
if (testQ5(mode, offset, fndBitRate, clk)) {
*Q5 = true;
return true;
}
return false;
}
int special(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
uint8_t bits[32] = {0x00};
PrintAndLogEx(NORMAL, "OFFSET | DATA | BINARY | ASCII");
PrintAndLogEx(NORMAL, "-------+-------+-------------------------------------+------");
int i, j = 0;
for (; j < 64; ++j) {
for (i = 0; i < 32; ++i)
bits[i] = DemodBuffer[j + i];
uint32_t blockData = PackBits(0, 32, bits);
PrintAndLogEx(NORMAL, "%02d | 0x%08X | %s", j, blockData, sprint_bin(bits, 32));
}
return PM3_SUCCESS;
}
int printConfiguration(t55xx_conf_block_t b) {
PrintAndLogEx(NORMAL, "Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
PrintAndLogEx(NORMAL, "Modulation : %s", GetSelectedModulationStr(b.modulation));
PrintAndLogEx(NORMAL, "Bit Rate : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0 >> 28 == 6 || b.block0 >> 28 == 9))));
PrintAndLogEx(NORMAL, "Inverted : %s", (b.inverted) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, "Offset : %d", b.offset);
PrintAndLogEx(NORMAL, "Seq. Term. : %s", (b.ST) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, "Block0 : 0x%08X", b.block0);
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
}
static int CmdT55xxWakeUp(const char *Cmd) {
uint32_t password = 0;
uint8_t cmdp = 0;
bool errors = false;
uint8_t downlink_mode = 0;
uint8_t flags = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_wakup();
case 'p':
password = param_get32ex(Cmd, cmdp + 1, 0, 16);
cmdp += 2;
errors = false;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_wakup();
flags = (downlink_mode & 3) << 3;
clearCommandBuffer();
SendCommandMIX(CMD_LF_T55XX_WAKEUP, password, flags, 0, NULL, 0);
PrintAndLogEx(SUCCESS, "Wake up command sent. Try read now");
return PM3_SUCCESS;
}
static int CmdT55xxWriteBlock(const char *Cmd) {
uint8_t block = 0xFF; //default to invalid block
uint32_t data = 0; //default to blank Block
uint32_t password = 0; //default to blank Block 7
bool usepwd = false;
bool page1 = false;
bool gotdata = false;
bool testMode = false;
bool errors = false;
uint8_t cmdp = 0;
uint32_t downlink_mode = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_write();
case 'b':
errors |= param_getdec(Cmd, cmdp + 1, &block);
cmdp += 2;
if (block > 7) {
PrintAndLogEx(WARNING, "Block number must be between 0 and 7");
errors = true;
}
break;
case 'd':
data = param_get32ex(Cmd, cmdp + 1, 0, 16);
gotdata = true;
cmdp += 2;
break;
case 'p':
password = param_get32ex(Cmd, cmdp + 1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case 't':
testMode = true;
cmdp++;
break;
case '1':
page1 = true;
cmdp++;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors || !gotdata) return usage_t55xx_write();
PacketResponseNG resp;
uint8_t flags;
flags = (usepwd) ? 0x1 : 0;
flags |= (page1) ? 0x2 : 0;
flags |= (testMode) ? 0x4 : 0;
flags |= (downlink_mode << 3);
char pwdStr[16] = {0};
snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
PrintAndLogEx(INFO, "Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "");
clearCommandBuffer();
/*
OLD style
arg0 = data, (4 bytes)
arg1 = block (1 byte)
arg2 = password (4 bytes)
flags = data[0] (1 byte)
new style
uses struct in pm3_cmd.h
*/
t55xx_write_block_t ng;
ng.data = data;
ng.pwd = password;
ng.blockno = block;
ng.flags = flags;
SendCommandNG(CMD_LF_T55XX_WRITEBL, (uint8_t *)&ng, sizeof(ng));
if (!WaitForResponseTimeout(CMD_LF_T55XX_WRITEBL, &resp, 2000)) {
PrintAndLogEx(ERR, "Error occurred, device did not ACK write operation. (May be due to old firmware)");
return PM3_ETIMEOUT;
}
return PM3_SUCCESS;
}
static int CmdT55xxReadTrace(const char *Cmd) {
uint8_t cmd_len = 0;
uint8_t downlink_mode = 0;
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'r') {
downlink_mode = param_getchar(Cmd, 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmd_len = 3;
}
if ((strlen(Cmd) != cmd_len) || (cmdp == 'h')) return usage_t55xx_trace();
if (strlen(Cmd) == cmd_len) {
// sanity check.
if (SanityOfflineCheck(false) != PM3_SUCCESS) return PM3_ENODATA;
bool pwdmode = false;
uint32_t password = 0;
// REGULAR_READ_MODE_BLOCK - yeilds correct Page 1 Block 2 data i.e. + 32 bit offset.
// if (!AquireData(T55x7_PAGE1, T55x7_TRACE_BLOCK1, pwdmode, password,downlink_mode))
if (!AquireData(T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password, downlink_mode))
return PM3_ENODATA;
}
if (config.Q5) {
if (!DecodeT5555TraceBlock()) return PM3_ESOFT;
} else {
if (!DecodeT55xxBlock()) return PM3_ESOFT;
}
if (!DemodBufferLen) return PM3_ESOFT;
RepaintGraphWindow();
uint8_t repeat = (config.offset > 5) ? 32 : 0;
uint8_t si = config.offset + repeat;
uint32_t bl1 = PackBits(si, 32, DemodBuffer);
uint32_t bl2 = PackBits(si + 32, 32, DemodBuffer);
if (config.Q5) {
uint32_t hdr = PackBits(si, 9, DemodBuffer);
si += 9;
if (hdr != 0x1FF) {
PrintAndLogEx(FAILED, "Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
return PM3_ESOFT;
}
t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw = 0};
data.icr = PackBits(si, 2, DemodBuffer);
si += 2;
data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer);
si += 3;
data.lotid = PackBits(si, 4, DemodBuffer);
si += 5;
data.lotid <<= 4;
data.lotid |= PackBits(si, 4, DemodBuffer);
si += 5;
data.lotid <<= 4;
data.lotid |= PackBits(si, 4, DemodBuffer);
si += 5;
data.lotid <<= 4;
data.lotid |= PackBits(si, 4, DemodBuffer);
si += 5;
data.lotid <<= 1;
data.lotid |= PackBits(si, 1, DemodBuffer);
si += 1;
data.wafer = PackBits(si, 3, DemodBuffer);
si += 4;
data.wafer <<= 2;
data.wafer |= PackBits(si, 2, DemodBuffer);
si += 2;
data.dw = PackBits(si, 2, DemodBuffer);
si += 3;
data.dw <<= 4;
data.dw |= PackBits(si, 4, DemodBuffer);
si += 5;
data.dw <<= 4;
data.dw |= PackBits(si, 4, DemodBuffer);
si += 5;
data.dw <<= 4;
data.dw |= PackBits(si, 4, DemodBuffer);
printT5555Trace(data, repeat);
} else {
t55x7_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0, .lotid = 0, .wafer = 0, .dw = 0};
data.acl = PackBits(si, 8, DemodBuffer);
si += 8;
if (data.acl != 0xE0) {
PrintAndLogEx(FAILED, "The modulation is most likely wrong since the ACL is not 0xE0. ");
return PM3_ESOFT;
}
data.mfc = PackBits(si, 8, DemodBuffer);
si += 8;
data.cid = PackBits(si, 5, DemodBuffer);
si += 5;
data.icr = PackBits(si, 3, DemodBuffer);
si += 3;
data.year = PackBits(si, 4, DemodBuffer);
si += 4;
data.quarter = PackBits(si, 2, DemodBuffer);
si += 2;
data.lotid = PackBits(si, 14, DemodBuffer);
si += 14;
data.wafer = PackBits(si, 5, DemodBuffer);
si += 5;
data.dw = PackBits(si, 15, DemodBuffer);
struct tm *ct, tm_buf;
time_t now = time(NULL);
#if defined(_WIN32)
ct = localtime_s(&tm_buf, &now) == 0 ? &tm_buf : NULL;
#else
ct = localtime_r(&now, &tm_buf);
#endif
if (data.year > ct->tm_year - 110)
data.year += 2000;
else
data.year += 2010;
printT55x7Trace(data, repeat);
}
return PM3_SUCCESS;
}
void printT55x7Trace(t55x7_tracedata_t data, uint8_t repeat) {
PrintAndLogEx(NORMAL, "-- T55x7 Trace Information ----------------------------------");
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
PrintAndLogEx(NORMAL, " MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
PrintAndLogEx(NORMAL, " CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
PrintAndLogEx(NORMAL, " ICR IC Revision : %d", data.icr);
PrintAndLogEx(NORMAL, " Manufactured");
PrintAndLogEx(NORMAL, " Year/Quarter : %d/%d", data.year, data.quarter);
PrintAndLogEx(NORMAL, " Lot ID : %d", data.lotid);
PrintAndLogEx(NORMAL, " Wafer number : %d", data.wafer);
PrintAndLogEx(NORMAL, " Die Number : %d", data.dw);
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " Raw Data - Page 1");
PrintAndLogEx(NORMAL, " Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer + config.offset + repeat, 32));
PrintAndLogEx(NORMAL, " Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer + config.offset + repeat + 32, 32));
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
/*
TRACE - BLOCK O
Bits Definition HEX
1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
22-24 ICR IC revision
25-28 YEAR (BCD encoded) 9 (= 2009)
29-30 QUARTER 1,2,3,4
31-32 LOT ID
TRACE - BLOCK 1
1-12 LOT ID
13-17 Wafer number
18-32 DW, die number sequential
*/
}
void printT5555Trace(t5555_tracedata_t data, uint8_t repeat) {
PrintAndLogEx(NORMAL, "-- T5555 (Q5) Trace Information -----------------------------");
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " ICR IC Revision : %d", data.icr);
PrintAndLogEx(NORMAL, " Lot : %c%d", data.lotidc, data.lotid);
PrintAndLogEx(NORMAL, " Wafer number : %d", data.wafer);
PrintAndLogEx(NORMAL, " Die Number : %d", data.dw);
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " Raw Data - Page 1");
PrintAndLogEx(NORMAL, " Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer + config.offset + repeat, 32));
PrintAndLogEx(NORMAL, " Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer + config.offset + repeat + 32, 32));
/*
** Q5 **
TRACE - BLOCK O and BLOCK1
Bits Definition HEX
1-9 Header 0x1FF
10-11 IC Revision
12-13 Lot ID char
15-35 Lot ID (NB parity)
36-41 Wafer number (NB parity)
42-58 DW, die number sequential (NB parity)
60-63 Parity bits
64 Always zero
*/
}
static void printT5x7KnownBlock0(uint32_t b0) {
char s[40];
memset(s, 0, sizeof(s));
switch (b0) {
case T55X7_DEFAULT_CONFIG_BLOCK:
snprintf(s, sizeof(s) - strlen(s), "T55x7 Default ");
break;
case T55X7_RAW_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "T55x7 Raw ");
break;
case T55X7_EM_UNIQUE_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "EM unique, Paxton ");
break;
case T55X7_FDXB_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "FDXB ");
break;
case T55X7_HID_26_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "HID 26b ");
break;
case T55X7_PYRAMID_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Pyramid ");
break;
case T55X7_INDALA_64_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Indala 64");
break;
case T55X7_INDALA_224_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Indala 224 ");
break;
case T55X7_GUARDPROXII_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Guard Prox II ");
break;
case T55X7_VIKING_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Viking ");
break;
case T55X7_NORALYS_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Noralys ");
break;
case T55X7_IOPROX_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "IO Prox ");
break;
case T55X7_PRESCO_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Presco ");
break;
case T55X7_NEDAP_64_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Nedap 64 ");
break;
case T55X7_NEDAP_128_CONFIG_BLOCK:
snprintf(s + strlen(s), sizeof(s) - strlen(s), "Nedap 128 ");
break;
default:
break;
}
if (strlen(s) > 0)
PrintAndLogEx(NORMAL, "\n Config block match : " _YELLOW_("%s"), s);
}
static int CmdT55xxInfo(const char *Cmd) {
/*
Page 0 Block 0 Configuration data.
Normal mode
Extended mode
*/
bool frombuff = false, gotdata = false, dataasq5 = false;
uint8_t cmdp = 0;
uint8_t downlink_mode = 0;
uint32_t block0 = 0;
while (param_getchar(Cmd, cmdp) != 0x00) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_info();
case 'd':
block0 = param_get32ex(Cmd, cmdp + 1, 0, 16);
gotdata = true;
cmdp += 2;
break;
case '1':
frombuff = true;
cmdp += 2;
break;
case 'q':
dataasq5 = true;
cmdp += 2;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
return usage_t55xx_info();
}
}
if (gotdata && frombuff)
return usage_t55xx_info();
if (dataasq5 && !gotdata)
return usage_t55xx_info();
if (!frombuff && !gotdata) {
// sanity check.
if (SanityOfflineCheck(false) != PM3_SUCCESS) return PM3_ENODATA;
bool pwdmode = false;
uint32_t password = 0;
if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password, downlink_mode))
return PM3_ENODATA;
}
if (!gotdata) {
if (!DecodeT55xxBlock()) return PM3_ESOFT;
// too little space to start with
if (DemodBufferLen < 32 + config.offset) return PM3_ESOFT;
//PrintAndLogEx(NORMAL, "Offset+32 ==%d\n DemodLen == %d", config.offset + 32, DemodBufferLen);
block0 = PackBits(config.offset, 32, DemodBuffer);
}
PrintAndLogEx(NORMAL, "");
if (((!gotdata) && config.Q5) || (gotdata && dataasq5)) {
uint32_t header = (block0 >> (32 - 12)) & 0xFFF;
uint32_t ps = (block0 >> (32 - 13)) & 0x01;
uint32_t fw = (block0 >> (32 - 14)) & 0x01;
uint32_t dbr = (block0 >> (32 - 20)) & 0x3F;
uint32_t aor = (block0 >> (32 - 21)) & 0x01;
uint32_t pwd = (block0 >> (32 - 22)) & 0x01;
uint32_t pskcf = (block0 >> (32 - 24)) & 0x03;
uint32_t inv = (block0 >> (32 - 25)) & 0x01;
uint32_t datamod = (block0 >> (32 - 28)) & 0x07;
uint32_t maxblk = (block0 >> (32 - 31)) & 0x07;
uint32_t st = (block0 >> (32 - 32)) & 0x01;
PrintAndLogEx(NORMAL, "-- Q5 Configuration & Tag Information -----------------------");
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " Header : 0x%03X%s", header, (header != 0x600) ? _RED_(" - Warning") : "");
PrintAndLogEx(NORMAL, " Page select : %d", ps);
PrintAndLogEx(NORMAL, " Fast Write : %s", (fw) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " Data bit rate : %s", GetBitRateStr(dbr, 1));
PrintAndLogEx(NORMAL, " AOR - Answer on Request : %s", (aor) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " Password mode : %s", (pwd) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " PSK clock frequency : %s", GetPskCfStr(pskcf, 1));
PrintAndLogEx(NORMAL, " Inverse data : %s", (inv) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " Modulation : %s", GetQ5ModulationStr(datamod));
PrintAndLogEx(NORMAL, " Max block : %d", maxblk);
PrintAndLogEx(NORMAL, " Sequence Terminator : %s", (st) ? _GREEN_("Yes") : "No");
} else {
uint32_t safer = (block0 >> (32 - 4)) & 0x0F;
uint32_t extend = (block0 >> (32 - 15)) & 0x01;
uint32_t resv, dbr;
if (extend) {
resv = (block0 >> (32 - 8)) & 0x0F;
dbr = (block0 >> (32 - 14)) & 0x3F;
} else {
resv = (block0 >> (32 - 11)) & 0x7F;
dbr = (block0 >> (32 - 14)) & 0x07;
}
uint32_t datamod = (block0 >> (32 - 20)) & 0x1F;
uint32_t pskcf = (block0 >> (32 - 22)) & 0x03;
uint32_t aor = (block0 >> (32 - 23)) & 0x01;
uint32_t otp = (block0 >> (32 - 24)) & 0x01;
uint32_t maxblk = (block0 >> (32 - 27)) & 0x07;
uint32_t pwd = (block0 >> (32 - 28)) & 0x01;
uint32_t sst = (block0 >> (32 - 29)) & 0x01;
uint32_t fw = (block0 >> (32 - 30)) & 0x01;
uint32_t inv = (block0 >> (32 - 31)) & 0x01;
uint32_t por = (block0 >> (32 - 32)) & 0x01;
PrintAndLogEx(NORMAL, "-- T55x7 Configuration & Tag Information --------------------");
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " Safer key : %s", GetSaferStr(safer));
PrintAndLogEx(NORMAL, " reserved : %d", resv);
PrintAndLogEx(NORMAL, " Data bit rate : %s", GetBitRateStr(dbr, extend));
PrintAndLogEx(NORMAL, " eXtended mode : %s", (extend) ? _YELLOW_("Yes - Warning") : "No");
PrintAndLogEx(NORMAL, " Modulation : %s", GetModulationStr(datamod, extend));
PrintAndLogEx(NORMAL, " PSK clock frequency : %s", GetPskCfStr(pskcf, 0));
PrintAndLogEx(NORMAL, " AOR - Answer on Request : %s", (aor) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " OTP - One Time Pad : %s", (otp) ? ((extend) ? _YELLOW_("Yes - Warning") : _RED_("Yes - Warning")) : "No");
PrintAndLogEx(NORMAL, " Max block : %d", maxblk);
PrintAndLogEx(NORMAL, " Password mode : %s", (pwd) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " Sequence %-12s : %s", (extend) ? "Start Marker" : "Terminator", (sst) ? _GREEN_("Yes") : "No");
PrintAndLogEx(NORMAL, " Fast Write : %s", (fw) ? ((extend) ? _GREEN_("Yes") : _RED_("Yes - Warning")) : "No");
PrintAndLogEx(NORMAL, " Inverse data : %s", (inv) ? ((extend) ? _GREEN_("Yes") : _RED_("Yes - Warning")) : "No");
PrintAndLogEx(NORMAL, " POR-Delay : %s", (por) ? _GREEN_("Yes") : "No");
}
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
PrintAndLogEx(NORMAL, " Raw Data - Page 0");
if (gotdata)
PrintAndLogEx(NORMAL, " Block 0 : 0x%08X", block0);
else
PrintAndLogEx(NORMAL, " Block 0 : 0x%08X %s", block0, sprint_bin(DemodBuffer + config.offset, 32));
if (((!gotdata) && (!config.Q5)) || (gotdata && (!dataasq5)))
printT5x7KnownBlock0(block0);
PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
return PM3_SUCCESS;
}
static int CmdT55xxDump(const char *Cmd) {
uint32_t password = 0;
uint8_t override = false;
uint8_t cmd_opt_idx = 0;
uint8_t downlink_mode = 0;
uint8_t pwd_offset = 0;
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_t55xx_dump();
if (cmdp == 'r') {
cmd_opt_idx++;
downlink_mode = param_getchar(Cmd, cmd_opt_idx++) - '0';
if (downlink_mode > 3) downlink_mode = 0;
pwd_offset = 3;
}
bool usepwd = (strlen(Cmd) > pwd_offset);
if (usepwd) {
password = param_get32ex(Cmd, cmd_opt_idx++, 0, 16);
if (param_getchar(Cmd, cmd_opt_idx++) == 'o')
override = true;
}
printT5xxHeader(0);
for (uint8_t i = 0; i < 8; ++i) {
T55xxReadBlock(i, 0, usepwd, override, password, downlink_mode);
// idea for better user experience and display.
// only show override warning on the first block read
if (override) override |= 2; // flag not to show safty for 2nd and on.
}
printT5xxHeader(1);
for (uint8_t i = 0; i < 4; i++)
T55xxReadBlock(i, 1, usepwd, override, password, downlink_mode);
return PM3_SUCCESS;
}
bool AquireData(uint8_t page, uint8_t block, bool pwdmode, uint32_t password, uint8_t downlink_mode) {
// arg0 bitmodes:
// b0 = pwdmode
// b1 = page to read from
// b2 = brute_mem (armside function)
// arg1: which block to read
// arg2: password
struct p {
uint32_t password;
uint8_t blockno;
uint8_t page;
bool pwdmode;
uint8_t downlink_mode;
} PACKED;
struct p payload;
payload.password = password;
payload.blockno = block;
payload.page = page & 0x1;
payload.pwdmode = pwdmode;
payload.downlink_mode = downlink_mode;
clearCommandBuffer();
SendCommandNG(CMD_LF_T55XX_READBL, (uint8_t *)&payload, sizeof(payload));
if (!WaitForResponseTimeout(CMD_LF_T55XX_READBL, NULL, 2500)) {
PrintAndLogEx(WARNING, "command execution time out");
return false;
}
getSamples(12000, true);
return !getSignalProperties()->isnoise;
}
char *GetPskCfStr(uint32_t id, bool q5) {
static char buf[25];
char *retStr = buf;
switch (id) {
case 0:
snprintf(retStr, sizeof(buf), "%u - RF/2", id);
break;
case 1:
snprintf(retStr, sizeof(buf), "%u - RF/4", id);
break;
case 2:
snprintf(retStr, sizeof(buf), "%u - RF/8", id);
break;
case 3:
if (q5)
snprintf(retStr, sizeof(buf), "%u - RF/8", id);
else
snprintf(retStr, sizeof(buf), "%u - " _RED_("(Unknown)"), id);
break;
default:
snprintf(retStr, sizeof(buf), "%u - " _RED_("(Unknown)"), id);
break;
}
return buf;
}
char *GetBitRateStr(uint32_t id, bool xmode) {
static char buf[25];
char *retStr = buf;
if (xmode) { //xmode bitrate calc is same as em4x05 calc
snprintf(retStr, sizeof(buf), "%u - RF/%d", id, EM4x05_GET_BITRATE(id));
} else {
switch (id) {
case 0:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/8"), id);
break;
case 1:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/16"), id);
break;
case 2:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/32"), id);
break;
case 3:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/40"), id);
break;
case 4:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/50"), id);
break;
case 5:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/64"), id);
break;
case 6:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/100"), id);
break;
case 7:
snprintf(retStr, sizeof(buf), "%u - "_GREEN_("RF/128"), id);
break;
default:
snprintf(retStr, sizeof(buf), "%u - " _RED_("(Unknown)"), id);
break;
}
}
return buf;
}
char *GetSaferStr(uint32_t id) {
static char buf[40];
char *retStr = buf;
snprintf(retStr, sizeof(buf), "%u", id);
if (id == 6) {
snprintf(retStr, sizeof(buf), "%u - " _YELLOW_("passwd"), id);
}
if (id == 9) {
snprintf(retStr, sizeof(buf), "%u - " _YELLOW_("testmode"), id);
}
return buf;
}
char *GetModulationStr(uint32_t id, bool xmode) {
static char buf[60];
char *retStr = buf;
switch (id) {
case 0:
snprintf(retStr, sizeof(buf), "%u - DIRECT (ASK/NRZ)", id);
break;
case 1:
snprintf(retStr, sizeof(buf), "%u - PSK 1 phase change when input changes", id);
break;
case 2:
snprintf(retStr, sizeof(buf), "%u - PSK 2 phase change on bitclk if input high", id);
break;
case 3:
snprintf(retStr, sizeof(buf), "%u - PSK 3 phase change on rising edge of input", id);
break;
case 4:
snprintf(retStr, sizeof(buf), "%u - FSK 1 RF/8 RF/5", id);
break;
case 5:
snprintf(retStr, sizeof(buf), "%u - FSK 2 RF/8 RF/10", id);
break;
case 6:
snprintf(retStr, sizeof(buf), "%u - %s RF/5 RF/8", id, (xmode) ? "FSK 1a" : _YELLOW_("FSK 1a"));
break;
case 7:
snprintf(retStr, sizeof(buf), "%u - %s RF/10 RF/8", id, (xmode) ? "FSK 2a" : _YELLOW_("FSK 2a"));
break;
case 8:
snprintf(retStr, sizeof(buf), "%u - Manchester", id);
break;
case 16:
snprintf(retStr, sizeof(buf), "%u - Biphase", id);
break;
case 24:
snprintf(retStr, sizeof(buf), "%u - %s", id, (xmode) ? "Biphase a - AKA Conditional Dephase Encoding(CDP)" : _YELLOW_("Reserved"));
break;
default:
snprintf(retStr, sizeof(buf), "0x%02X " _RED_("(Unknown)"), id);
break;
}
return buf;
}
char *GetQ5ModulationStr(uint32_t id) {
static char buf[60];
char *retStr = buf;
switch (id) {
case 0:
snprintf(retStr, sizeof(buf), "%u - Manchester", id);
break;
case 1:
snprintf(retStr, sizeof(buf), "%u - PSK 1 phase change when input changes", id);
break;
case 2:
snprintf(retStr, sizeof(buf), "%u - PSK 2 phase change on bitclk if input high", id);
break;
case 3:
snprintf(retStr, sizeof(buf), "%u - PSK 3 phase change on rising edge of input", id);
break;
case 4:
snprintf(retStr, sizeof(buf), "%u - FSK 1a RF/5 RF/8", id);
break;
case 5:
snprintf(retStr, sizeof(buf), "%u - FSK 2a RF/10 RF/8", id);
break;
case 6:
snprintf(retStr, sizeof(buf), "%u - Biphase", id);
break;
case 7:
snprintf(retStr, sizeof(buf), "%u - NRZ / Direct", id);
break;
}
return buf;
}
char *GetModelStrFromCID(uint32_t cid) {
static char buf[10];
char *retStr = buf;
if (cid == 1) snprintf(retStr, sizeof(buf), "ATA5577M1");
if (cid == 2) snprintf(retStr, sizeof(buf), "ATA5577M2");
return buf;
}
char *GetSelectedModulationStr(uint8_t id) {
static char buf[20];
char *retStr = buf;
switch (id) {
case DEMOD_FSK:
snprintf(retStr, sizeof(buf), "FSK");
break;
case DEMOD_FSK1:
snprintf(retStr, sizeof(buf), "FSK1");
break;
case DEMOD_FSK1a:
snprintf(retStr, sizeof(buf), "FSK1a");
break;
case DEMOD_FSK2:
snprintf(retStr, sizeof(buf), "FSK2");
break;
case DEMOD_FSK2a:
snprintf(retStr, sizeof(buf), "FSK2a");
break;
case DEMOD_ASK:
snprintf(retStr, sizeof(buf), "ASK");
break;
case DEMOD_NRZ:
snprintf(retStr, sizeof(buf), "DIRECT/NRZ");
break;
case DEMOD_PSK1:
snprintf(retStr, sizeof(buf), "PSK1");
break;
case DEMOD_PSK2:
snprintf(retStr, sizeof(buf), "PSK2");
break;
case DEMOD_PSK3:
snprintf(retStr, sizeof(buf), "PSK3");
break;
case DEMOD_BI:
snprintf(retStr, sizeof(buf), "BIPHASE");
break;
case DEMOD_BIa:
snprintf(retStr, sizeof(buf), "BIPHASEa - (CDP)");
break;
default:
snprintf(retStr, sizeof(buf), _RED_("(Unknown)"));
break;
}
return buf;
}
/*
static void t55x7_create_config_block(int tagtype) {
// T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
// T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
// T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
// T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
static char buf[60];
char *retStr = buf;
switch (tagtype) {
case 0:
snprintf(retStr, sizeof(buf), "%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK);
break;
case 1:
snprintf(retStr, sizeof(buf), "%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK);
break;
case 2:
snprintf(retStr, sizeof(buf), "%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK);
break;
default:
break;
}
PrintAndLogEx(NORMAL, buf);
}
*/
static int CmdResetRead(const char *Cmd) {
uint8_t downlink_mode = 0;
uint8_t flags = 0;
if (strlen(Cmd) == 3)
downlink_mode = param_getchar(Cmd, 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
printf("DL : %d\n", downlink_mode);
flags = downlink_mode << 3;
clearCommandBuffer();
SendCommandNG(CMD_LF_T55XX_RESET_READ, &flags, sizeof(flags));
if (!WaitForResponseTimeout(CMD_ACK, NULL, 2500)) {
PrintAndLogEx(WARNING, "command execution time out");
return PM3_ETIMEOUT;
}
uint8_t got[BIGBUF_SIZE - 1];
if (!GetFromDevice(BIG_BUF, got, sizeof(got), 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
return PM3_ETIMEOUT;
}
setGraphBuf(got, sizeof(got));
return PM3_SUCCESS;
}
static int CmdT55xxWipe(const char *Cmd) {
char writeData[20] = {0};
char *ptrData = writeData;
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_t55xx_wipe();
bool Q5 = (cmdp == 'q');
// Try with the default password to reset block 0
// With a pwd should work even if pwd bit not set
PrintAndLogEx(INFO, "\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
if (Q5)
snprintf(ptrData, sizeof(writeData), "b 0 d 6001F004 p 0");
else
snprintf(ptrData, sizeof(writeData), "b 0 d 000880E0 p 0");
if (CmdT55xxWriteBlock(ptrData) != PM3_SUCCESS) PrintAndLogEx(WARNING, "Warning: error writing blk 0");
for (uint8_t blk = 1; blk < 8; blk++) {
snprintf(ptrData, sizeof(writeData), "b %d d 0", blk);
if (CmdT55xxWriteBlock(ptrData) != PM3_SUCCESS) PrintAndLogEx(WARNING, "Warning: error writing blk %d", blk);
memset(writeData, 0x00, sizeof(writeData));
}
return PM3_SUCCESS;
}
static bool IsCancelled(void) {
if (kbd_enter_pressed()) {
PrintAndLogEx(WARNING, "\naborted via keyboard!\n");
return true;
}
return false;
}
// load a default pwd file.
static int CmdT55xxChkPwds(const char *Cmd) {
char filename[FILE_PATH_SIZE] = {0};
bool found = false;
uint8_t timeout = 0;
uint8_t *keyBlock = NULL;
bool from_flash = false;
bool try_all_dl_modes = false;
uint8_t downlink_mode = 0;
int len;
char cmdp;
bool use_pwd_file = false;
int dl_mode; // to try each downlink mode for each password
cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_t55xx_chk();
if (cmdp == 'm') {
from_flash = true;
Cmd += 2;
cmdp = tolower(param_getchar(Cmd, 0));
}
if (cmdp == 'r') {
Cmd += 2;
downlink_mode = param_getchar(Cmd, 0) - '0'; // get 2nd option, as this is fixed order.
if (downlink_mode == 4) try_all_dl_modes = true;
if (downlink_mode > 3) downlink_mode = 0;
Cmd += 2;
cmdp = param_getchar(Cmd, 0);
}
if (cmdp == 'i') {
Cmd += 2;
len = strlen(Cmd);
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
memcpy(filename, Cmd, len);
use_pwd_file = true;
}
/*
// block 7, page1 = false, usepwd = false, override = false, pwd = 00000000
if ( T55xxReadBlock(7, false, false, false, 0x00000000) == PM3_SUCCESS) {
// now try to validate it..
PrintAndLogEx(WARNING, "\n Block 7 was readable");
return PM3_SUCCESS;
}
*/
uint64_t t1 = msclock();
uint8_t flags = downlink_mode << 3;
if (from_flash) {
clearCommandBuffer();
SendCommandNG(CMD_LF_T55XX_CHK_PWDS, &flags, sizeof(flags));
PacketResponseNG resp;
while (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
timeout++;
printf(".");
fflush(stdout);
if (timeout > 180) {
PrintAndLogEx(WARNING, "\nNo response from Proxmark3. Aborting...");
return PM3_ENODATA;
}
}
if (resp.oldarg[0]) {
PrintAndLogEx(SUCCESS, "\nFound a candidate [ " _YELLOW_("%08X") " ]. Trying to validate", resp.oldarg[1]);
if (AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, resp.oldarg[1], downlink_mode)) {
found = tryDetectModulation();
if (found) {
PrintAndLogEx(SUCCESS, "Found valid password: [ " _GREEN_("%08X") " ]", resp.oldarg[1]);
T55xx_Print_DownlinkMode(downlink_mode);
} else {
PrintAndLogEx(WARNING, "Check pwd failed");
}
} else {
PrintAndLogEx(WARNING, "Check pwd failed");
}
} else {
PrintAndLogEx(WARNING, "Check pwd failed");
}
goto out;
}
if (use_pwd_file) {
uint16_t keycount = 0;
size_t datalen = 0;
// TODO, a way of reallocating memory if file was larger
keyBlock = calloc(4 * 200, sizeof(uint8_t));
if (keyBlock == NULL) {
PrintAndLogEx(ERR, "error, cannot allocate memory ");
return PM3_ESOFT;
}
int res = loadFileDICTIONARY(filename, keyBlock, &datalen, 4, &keycount);
if (res || keycount == 0) {
PrintAndLogEx(WARNING, "No keys found in file");
free(keyBlock);
return PM3_ESOFT;
}
// loop
uint64_t curr_password = 0x00;
for (uint16_t c = 0; c < keycount; ++c) {
if (!session.pm3_present) {
PrintAndLogEx(WARNING, "Device offline\n");
free(keyBlock);
return PM3_ENODATA;
}
if (IsCancelled()) {
free(keyBlock);
return PM3_EOPABORTED;
}
curr_password = bytes_to_num(keyBlock + 4 * c, 4);
PrintAndLogEx(INFO, "Testing %08X", curr_password);
for (dl_mode = downlink_mode; dl_mode <= 3; dl_mode++) {
if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, curr_password, dl_mode)) {
continue;
}
found = tryDetectModulation();
if (found) {
PrintAndLogEx(SUCCESS, "Found valid password: [ " _GREEN_("%08X") " ]", curr_password);
T55xx_Print_DownlinkMode(dl_mode);
dl_mode = 4; // Exit other downlink mode checks
c = keycount; // Exit loop
}
if (!try_all_dl_modes) // Exit loop if not trying all downlink modes
dl_mode = 4;
}
}
if (!found) PrintAndLogEx(WARNING, "Check pwd failed");
}
free(keyBlock);
out:
t1 = msclock() - t1;
PrintAndLogEx(SUCCESS, "\nTime in check pwd: %.0f seconds\n", (float)t1 / 1000.0);
return PM3_SUCCESS;
}
// Bruteforce - incremental password range search
static int CmdT55xxBruteForce(const char *Cmd) {
uint32_t start_password = 0x00000000; //start password
uint32_t end_password = 0xFFFFFFFF; //end password
uint32_t curr = 0;
uint8_t downlink_mode = 0;
uint8_t cmd_opt_idx = 0;
uint8_t found = 0; // > 0 if found xx1 xx downlink needed, 1 found
char cmdp = tolower(param_getchar(Cmd, cmd_opt_idx));
if (cmdp == 'h') return usage_t55xx_bruteforce();
if (cmdp == 'r') { // downlink mode supplied
cmd_opt_idx++; // skip over 'r'
downlink_mode = param_getchar(Cmd, cmd_opt_idx++) - '0';
if (downlink_mode > 4) downlink_mode = 0;
}
uint64_t t1 = msclock();
start_password = param_get32ex(Cmd, cmd_opt_idx++, 0, 16);
end_password = param_get32ex(Cmd, cmd_opt_idx++, 0, 16);
curr = start_password;
if (start_password >= end_password) {
return usage_t55xx_bruteforce();
}
PrintAndLogEx(INFO, "Search password range [%08X -> %08X]", start_password, end_password);
while (found == 0) {
printf(".");
fflush(stdout);
if (IsCancelled()) {
return PM3_EOPABORTED;
}
found = tryOnePassword(curr, downlink_mode);
if (curr == end_password)
break;
curr++;
}
PrintAndLogEx(NORMAL, "");
if (found) {
PrintAndLogEx(SUCCESS, "Found valid password: [ " _GREEN_("%08X") "]", curr - 1);
T55xx_Print_DownlinkMode((found >> 1) & 3);
} else
PrintAndLogEx(WARNING, "Bruteforce failed, last tried: [ " _YELLOW_("%08X") " ]", curr);
t1 = msclock() - t1;
PrintAndLogEx(SUCCESS, "\nTime in bruteforce: %.0f seconds\n", (float)t1 / 1000.0);
return PM3_SUCCESS;
}
uint8_t tryOnePassword(uint32_t password, uint8_t downlink_mode) {
bool try_all_dl_modes = false;
uint8_t dl_mode = 0;
PrintAndLogEx(INFO, "Trying password %08X", password);
if (downlink_mode == 4) try_all_dl_modes = true;
downlink_mode = (downlink_mode & 3); // ensure 0-3
// check if dl mode 4 and loop if needed
for (dl_mode = downlink_mode; dl_mode < 4; dl_mode++) {
AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, password, dl_mode);
// if (getSignalProperties()->isnoise == false) {
// } else {
if (tryDetectModulation()) {
return 1 + (dl_mode << 1);
}
// }
if (!try_all_dl_modes) dl_mode = 4;
}
return 0;
}
static int CmdT55xxRecoverPW(const char *Cmd) {
int bit = 0;
uint32_t orig_password = 0x0;
uint32_t curr_password = 0x0;
uint32_t prev_password = 0xffffffff;
uint32_t mask = 0x0;
uint8_t downlink_mode = 0;
uint8_t found = 0;
uint8_t cmd_opt_idx = 0;
char cmdp = tolower(param_getchar(Cmd, cmd_opt_idx));
if (cmdp == 'h') return usage_t55xx_recoverpw();
if (cmdp == 'r') { // downlink mode supplied
cmd_opt_idx++; // skip over 'r'
downlink_mode = param_getchar(Cmd, cmd_opt_idx++) - '0';
if (downlink_mode > 4) downlink_mode = 0;
}
orig_password = param_get32ex(Cmd, cmd_opt_idx++, 0x51243648, 16); //password used by handheld cloners
// first try fliping each bit in the expected password
while (bit < 32) {
curr_password = orig_password ^ (1u << bit);
found = tryOnePassword(curr_password, downlink_mode);
if (found > 0) // xx1 for found xx = dl mode used
goto out;
bit++;
if (IsCancelled())
return PM3_EOPABORTED;
}
// now try to use partial original password, since block 7 should have been completely
// erased during the write sequence and it is possible that only partial password has been
// written
// not sure from which end the bit bits are written, so try from both ends
// from low bit to high bit
bit = 0;
while (bit < 32) {
mask += (1u << bit);
curr_password = orig_password & mask;
// if updated mask didn't change the password, don't try it again
if (prev_password == curr_password) {
bit++;
continue;
}
found = tryOnePassword(curr_password, downlink_mode);
if (found > 0)
goto out;
bit++;
prev_password = curr_password;
if (IsCancelled())
return PM3_EOPABORTED;
}
// from high bit to low
bit = 0;
mask = 0xffffffff;
while (bit < 32) {
mask -= (1u << bit);
curr_password = orig_password & mask;
// if updated mask didn't change the password, don't try it again
if (prev_password == curr_password) {
bit++;
continue;
}
found = tryOnePassword(curr_password, downlink_mode);
if (found > 0)
goto out;
bit++;
prev_password = curr_password;
if (IsCancelled())
return PM3_EOPABORTED;
}
out:
PrintAndLogEx(NORMAL, "");
if (found > 0) {
PrintAndLogEx(SUCCESS, "Found valid password: [ " _GREEN_("%08X") "]", curr_password);
T55xx_Print_DownlinkMode((found >> 1) & 3);
} else
PrintAndLogEx(WARNING, "Recover pwd failed");
return PM3_SUCCESS;
}
// note length of data returned is different for different chips.
// some return all page 1 (64 bits) and others return just that block (32 bits)
// unfortunately the 64 bits makes this more likely to get a false positive...
bool tryDetectP1(bool getData) {
uint8_t preamble[] = {1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1};
size_t startIdx = 0;
uint8_t fc1 = 0, fc2 = 0, ans = 0;
int clk = 0, firstClockEdge = 0;
bool st = true;
if (getData) {
if (!AquireData(T55x7_PAGE1, T55x7_TRACE_BLOCK1, false, 0, 0))
return false;
}
// try fsk clock detect. if successful it cannot be any other type of modulation... (in theory...)
ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, &firstClockEdge);
if (ans && ((fc1 == 10 && fc2 == 8) || (fc1 == 8 && fc2 == 5))) {
if ((FSKrawDemod("0 0", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
if ((FSKrawDemod("0 1", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
return false;
}
// try ask clock detect. it could be another type even if successful.
clk = GetAskClock("", false);
if (clk > 0) {
if ((ASKDemod_ext("0 0 1", false, false, 1, &st) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
st = true;
if ((ASKDemod_ext("0 1 1", false, false, 1, &st) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
if ((ASKbiphaseDemod("0 0 0 2", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
if ((ASKbiphaseDemod("0 0 1 2", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
}
// try NRZ clock detect. it could be another type even if successful.
clk = GetNrzClock("", false); //has the most false positives :(
if (clk > 0) {
if ((NRZrawDemod("0 0 1", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
if ((NRZrawDemod("0 1 1", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
return true;
}
}
// Fewer card uses PSK
// try psk clock detect. if successful it cannot be any other type of modulation... (in theory...)
clk = GetPskClock("", false);
if (clk > 0) {
// allow undo
// save_restoreGB(GRAPH_SAVE);
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
//CmdLtrim("160");
if ((PSKDemod("0 0 6", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
//save_restoreGB(GRAPH_RESTORE);
return true;
}
if ((PSKDemod("0 1 6", false) == PM3_SUCCESS) &&
preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
//save_restoreGB(GRAPH_RESTORE);
return true;
}
// PSK2 - needs a call to psk1TOpsk2.
if (PSKDemod("0 0 6", false) == PM3_SUCCESS) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64)) {
//save_restoreGB(GRAPH_RESTORE);
return true;
}
} // inverse waves does not affect PSK2 demod
//undo trim samples
//save_restoreGB(GRAPH_RESTORE);
// no other modulation clocks = 2 or 4 so quit searching
if (fc1 != 8) return false;
}
return false;
}
// does this need to be a callable command?
static int CmdT55xxDetectPage1(const char *Cmd) {
bool errors = false;
bool useGB = false;
bool usepwd = false;
bool try_all_dl_modes = false;
uint8_t found = 0;
uint32_t password = 0;
uint8_t cmdp = 0;
uint8_t downlink_mode = 0;
uint8_t dl_mode = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_t55xx_detectP1();
case 'p':
password = param_get32ex(Cmd, cmdp + 1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case '1':
// use Graphbuffer data
useGB = true;
cmdp++;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode == 4) try_all_dl_modes = true;
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_detectP1();
if (!useGB) {
for (dl_mode = downlink_mode; dl_mode < 4; dl_mode++) {
found = AquireData(T55x7_PAGE1, T55x7_TRACE_BLOCK1, usepwd, password, dl_mode);
//return PM3_ENODATA;
if (tryDetectP1(false)) { //tryDetectModulation())
found = dl_mode;
dl_mode = 4;
} else found = false;
if (!try_all_dl_modes) dl_mode = 4;
}
}
if (useGB) found = tryDetectP1(false);
if (found) {
PrintAndLogEx(SUCCESS, "T55xx chip found!");
T55xx_Print_DownlinkMode(found);
} else
PrintAndLogEx(WARNING, "Could not detect modulation automatically. Try setting it manually with " _YELLOW_("\'lf t55xx config\'"));
return PM3_SUCCESS;
}
static int CmdT55xxSetDeviceConfig(const char *Cmd) {
uint8_t startgap = 0, writegap = 0, readgap = 0;
uint8_t write0 = 0, write1 = 0, write2 = 0, write3 = 0;
uint8_t cmdp = 0, downlink_mode = 0;
bool errors = false, shall_persist = false, set_defaults = false;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_lf_deviceconfig();
case 'a':
errors |= param_getdec(Cmd, cmdp + 1, &startgap);
cmdp += 2;
break;
case 'b':
errors |= param_getdec(Cmd, cmdp + 1, &writegap);
cmdp += 2;
break;
case 'c':
errors |= param_getdec(Cmd, cmdp + 1, &write0);
cmdp += 2;
break;
case 'd':
errors |= param_getdec(Cmd, cmdp + 1, &write1);
cmdp += 2;
break;
case 'e':
errors |= param_getdec(Cmd, cmdp + 1, &readgap);
cmdp += 2;
break;
case 'f':
errors |= param_getdec(Cmd, cmdp + 1, &write2);
cmdp += 2;
break;
case 'g':
errors |= param_getdec(Cmd, cmdp + 1, &write3);
cmdp += 2;
break;
case 'r':
downlink_mode = param_getchar(Cmd, cmdp + 1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp += 2;
break;
case 'p':
shall_persist = true;
cmdp++;
break;
case 'z':
set_defaults = true;
cmdp++;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = 1;
break;
}
}
//Validations
if (errors || cmdp == 0) return usage_lf_deviceconfig();
t55xx_configurations_t configurations = {{{0}, {0}, {0}, {0}}};
if (set_defaults) {
// fixed bit length
configurations.m[T55XX_DLMODE_FIXED].start_gap = 29 * 8;
configurations.m[T55XX_DLMODE_FIXED].write_gap = 17 * 8;
configurations.m[T55XX_DLMODE_FIXED].write_0 = 15 * 8;
configurations.m[T55XX_DLMODE_FIXED].write_1 = 47 * 8;
configurations.m[T55XX_DLMODE_FIXED].read_gap = 15 * 8;
configurations.m[T55XX_DLMODE_FIXED].write_2 = 0;
configurations.m[T55XX_DLMODE_FIXED].write_3 = 0;
// long leading reference
configurations.m[T55XX_DLMODE_LLR].start_gap = 31 * 8;
configurations.m[T55XX_DLMODE_LLR].write_gap = 20 * 8;
configurations.m[T55XX_DLMODE_LLR].write_0 = 18 * 8;
configurations.m[T55XX_DLMODE_LLR].write_1 = 50 * 8;
configurations.m[T55XX_DLMODE_LLR].read_gap = 15 * 8;
configurations.m[T55XX_DLMODE_LLR].write_2 = 0;
configurations.m[T55XX_DLMODE_LLR].write_3 = 0;
// leading zero
configurations.m[T55XX_DLMODE_LEADING_ZERO].start_gap = 31 * 8;
configurations.m[T55XX_DLMODE_LEADING_ZERO].write_gap = 20 * 8;
configurations.m[T55XX_DLMODE_LEADING_ZERO].write_0 = 18 * 8;
configurations.m[T55XX_DLMODE_LEADING_ZERO].write_1 = 40 * 8;
configurations.m[T55XX_DLMODE_LEADING_ZERO].read_gap = 15 * 8;
configurations.m[T55XX_DLMODE_LEADING_ZERO].write_2 = 0;
configurations.m[T55XX_DLMODE_LEADING_ZERO].write_3 = 0;
// 1 of 4 coding reference
configurations.m[T55XX_DLMODE_1OF4].start_gap = 29 * 8;
configurations.m[T55XX_DLMODE_1OF4].write_gap = 17 * 8;
configurations.m[T55XX_DLMODE_1OF4].write_0 = 15 * 8;
configurations.m[T55XX_DLMODE_1OF4].write_1 = 31 * 8;
configurations.m[T55XX_DLMODE_1OF4].read_gap = 15 * 8;
configurations.m[T55XX_DLMODE_1OF4].write_2 = 47 * 8;
configurations.m[T55XX_DLMODE_1OF4].write_3 = 63 * 8;
} else {
configurations.m[downlink_mode].start_gap = startgap * 8;
configurations.m[downlink_mode].write_gap = writegap * 8;
configurations.m[downlink_mode].write_0 = write0 * 8;
configurations.m[downlink_mode].write_1 = write1 * 8;
configurations.m[downlink_mode].read_gap = readgap * 8;
configurations.m[downlink_mode].write_2 = write2 * 8;
configurations.m[downlink_mode].write_3 = write3 * 8;
}
clearCommandBuffer();
SendCommandOLD(CMD_LF_T55XX_SET_CONFIG, shall_persist, 0, 0, &configurations, sizeof(t55xx_configurations_t));
return PM3_SUCCESS;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"bruteforce", CmdT55xxBruteForce, IfPm3Lf, "<start password> <end password> Simple bruteforce attack to find password"},
{"config", CmdT55xxSetConfig, AlwaysAvailable, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
{"chk", CmdT55xxChkPwds, IfPm3Lf, "Check passwords from dictionary/flash"},
{"detect", CmdT55xxDetect, AlwaysAvailable, "[1] Try detecting the tag modulation from reading the configuration block."},
{"deviceconfig", CmdT55xxSetDeviceConfig, IfPm3Lf, "Set/Get T55XX device configuration (startgap, writegap, write0, write1, readgap"},
{"p1detect", CmdT55xxDetectPage1, IfPm3Lf, "[1] Try detecting if this is a t55xx tag by reading page 1"},
{"dump", CmdT55xxDump, IfPm3Lf, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
{"info", CmdT55xxInfo, AlwaysAvailable, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
{"read", CmdT55xxReadBlock, IfPm3Lf, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
{"resetread", CmdResetRead, IfPm3Lf, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},
{"recoverpw", CmdT55xxRecoverPW, IfPm3Lf, "[password] Try to recover from bad password write from a cloner. Only use on PW protected chips!"},
{"special", special, IfPm3Lf, "Show block changes with 64 different offsets"},
{"trace", CmdT55xxReadTrace, AlwaysAvailable, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
{"wakeup", CmdT55xxWakeUp, IfPm3Lf, "Send AOR wakeup command"},
{"wipe", CmdT55xxWipe, IfPm3Lf, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
{"write", CmdT55xxWriteBlock, IfPm3Lf, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
{NULL, NULL, NULL, NULL}
};
static int CmdHelp(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CmdsHelp(CommandTable);
return PM3_SUCCESS;
}
int CmdLFT55XX(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}