github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2024-11-21 04:50:14 -08:00
Code Issues Packages Projects Releases Wiki Activity
master
proxmark3/client/cmdlft55xx.c
mwalker33 4be71814b4 T55xx Downlink - Updates 
Improved code.
2019-06-22 15:26:56 +10:00

1813 lines
60 KiB
C
Raw Permalink Blame History

//-----------------------------------------------------------------------------
//
// 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
//-----------------------------------------------------------------------------
#include "cmdlft55xx.h"
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <ctype.h>
#include <time.h>
#include "comms.h"
#include "ui.h"
#include "graph.h"
#include "cmdmain.h"
#include "cmdparser.h"
#include "cmddata.h"
#include "cmdlf.h"
#include "util.h"
#include "lfdemod.h"
#include "protocols.h"
#include "taginfo.h"
#define T55x7_CONFIGURATION_BLOCK 0x00
#define T55x7_PAGE0 0x00
#define T55x7_PAGE1 0x01
//#define T55x7_PWD 0x00000010
#define REGULAR_READ_MODE_BLOCK 0xFF
// 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;
}
int usage_t55xx_config(){
PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
PrintAndLog("Options:");
PrintAndLog(" h This help");
PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
PrintAndLog(" i [1] Invert data signal, defaults to normal");
PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
PrintAndLog(" ST Set Sequence Terminator on");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
PrintAndLog("");
return 0;
}
int usage_t55xx_read(){
PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
PrintAndLog("Options:");
PrintAndLog(" b <block> - block number to read. Between 0-7");
PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
PrintAndLog(" o - OPTIONAL override safety check");
PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");
PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference");
PrintAndLog(" ****WARNING****");
PrintAndLog(" Use of read with password on a tag not configured for a pwd");
PrintAndLog(" can damage the tag");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx read b 0 - read data from block 0");
PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
PrintAndLog("");
return 0;
}
int usage_t55xx_write(){
PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1] [t]");
PrintAndLog("Options:");
PrintAndLog(" b <block> - block number to write. Between 0-7");
PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
PrintAndLog(" t - OPTIONAL test mode write - ****DANGER****");
PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");
PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
PrintAndLog("");
return 0;
}
int usage_t55xx_trace() {
PrintAndLog("Usage: lf t55xx trace [1]");
PrintAndLog("Options:");
PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx trace");
PrintAndLog(" lf t55xx trace 1");
PrintAndLog("");
return 0;
}
int usage_t55xx_info() {
PrintAndLog("Usage: lf t55xx info [1]");
PrintAndLog("Options:");
PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx info");
PrintAndLog(" lf t55xx info 1");
PrintAndLog("");
return 0;
}
int usage_t55xx_dump(){
PrintAndLog("Usage: lf t55xx dump <password> [o]");
PrintAndLog("Options:");
PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx dump");
PrintAndLog(" lf t55xx dump feedbeef o");
PrintAndLog("");
return 0;
}
int usage_t55xx_detect(){
PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
PrintAndLog("Options:");
PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");
PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx detect");
PrintAndLog(" lf t55xx detect 1");
PrintAndLog(" lf t55xx detect p 11223344");
PrintAndLog("");
return 0;
}
int usage_t55xx_detectP1(){
PrintAndLog("Command: Detect Page 1 of a t55xx chip");
PrintAndLog("Usage: lf t55xx p1detect [1] [p <password>]");
PrintAndLog("Options:");
PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx p1detect");
PrintAndLog(" lf t55xx p1detect 1");
PrintAndLog(" lf t55xx p1detect p 11223344");
PrintAndLog("");
return 0;
}
int usage_t55xx_wakup(){
PrintAndLog("Usage: lf t55xx wakeup [h] <password>");
PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
PrintAndLog(" <password> - [required] password 4bytes (8 hex symbols)");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password");
return 0;
}
int usage_t55xx_bruteforce(){
PrintAndLog("This command uses A) bruteforce to scan a number range");
PrintAndLog(" B) a dictionary attack");
PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
PrintAndLog(" password must be 4 bytes (8 hex symbols)");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default)");
PrintAndLog(" '1' long leading reference, '2' leading zero ");
PrintAndLog(" '3' 1 of 4 coding reference, '4' special - try all downlink modes");
PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx bruteforce [r 2] aaaaaaaa bbbbbbbb");
PrintAndLog(" lf t55xx bruteforce [r 2] i default_pwd.dic");
PrintAndLog("");
return 0;
}
int usage_t55xx_wipe(){
PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
return 0;
}
static int CmdHelp(const char *Cmd);
void printT5xxHeader(uint8_t page){
PrintAndLog("Reading Page %d:", page);
PrintAndLog("blk | hex data | binary");
PrintAndLog("----+----------+---------------------------------");
}
int CmdT55xxSetConfig(const char *Cmd) {
uint8_t offset = 0;
char modulation[6] = {0x00};
char tmp = 0x00;
uint8_t bitRate = 0;
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)
{
tmp = param_getchar(Cmd, cmdp);
switch(tmp)
{
case 'h':
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 {
PrintAndLog("Unknown modulation '%s'", modulation);
errors = true;
}
break;
case 'i':
config.inverted = param_getchar(Cmd,cmdp+1) == '1';
cmdp+=2;
break;
case 'o':
errors |= param_getdec(Cmd, cmdp+1, &offset);
if ( !errors )
config.offset = offset;
cmdp+=2;
break;
case 'Q':
case 'q':
config.Q5 = true;
cmdp++;
break;
case 'S':
case 's':
config.ST = true;
cmdp++;
break;
default:
PrintAndLog("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, bool 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 0;
if ( !tryDetectModulation() ) {
PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
return 0;
} else {
PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
usepwd = false;
page1 = false;
}
} else {
PrintAndLog("Safety Check Overriden - proceeding despite risk");
}
}
if (!AquireData(page1, block, usepwd, password,downlink_mode) ) return 0;
if (!DecodeT55xxBlock()) return 0;
char blk[10]={0};
sprintf(blk,"%d", block);
printT55xxBlock(blk);
return 1;
}
int CmdT55xxReadBlock(const char *Cmd) {
uint8_t block = REGULAR_READ_MODE_BLOCK;
uint32_t password = 0; //default to blank Block 7
uint8_t downlink_mode = 0;
bool usepwd = false;
bool override = false;
bool page1 = false;
bool errors = false;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_t55xx_read();
case 'b':
case 'B':
errors |= param_getdec(Cmd, cmdp+1, &block);
cmdp += 2;
break;
case 'o':
case 'O':
override = true;
cmdp++;
break;
case 'p':
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:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_read();
if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
PrintAndLog("Block must be between 0 and 7");
return 0;
}
printT5xxHeader(page1);
return T55xxReadBlock(block, page1, usepwd, override, password, downlink_mode);
}
bool DecodeT55xxBlock(){
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("160");
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("160");
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 (bool) ans;
}
bool DecodeT5555TraceBlock() {
DemodBufferLen = 0x00;
// According to datasheet. Always: RF/64, not inverted, Manchester
return (bool) ASKDemod("64 0 1", false, false, 1);
}
void T55xx_Print_DownlinkMode (uint8_t downlink_mode)
{
char Msg[80];
sprintf (Msg,"Downlink Mode used : ");
switch (downlink_mode) {
case 0 : strcat (Msg,"default/fixed bit length"); break;
case 1 : strcat (Msg,"long leading reference (r 1)"); break;
case 2 : strcat (Msg,"leading zero reference (r 2)"); break;
case 3 : strcat (Msg,"1 of 4 coding reference (r 3)"); break;
default :
strcat (Msg,"default/fixed bit length"); break;
}
PrintAndLog (Msg);
}
int CmdT55xxDetect(const char *Cmd){
bool errors = false;
bool useGB = false;
bool usepwd = false;
uint32_t password = 0;
uint8_t cmdp = 0;
uint8_t downlink_mode = 0;
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_t55xx_detect();
case 'p':
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':
case 'R':
downlink_mode = param_getchar(Cmd, cmdp+1) - '0';
if (downlink_mode > 3) downlink_mode = 0;
cmdp +=2;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_detect();
if ( !useGB) {
if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password,downlink_mode) )
return 0;
}
if ( !tryDetectModulation() )
PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
else {
// Add downlink mode for reference.
T55xx_Print_DownlinkMode (downlink_mode);
}
return 1;
}
// detect configuration?
bool tryDetectModulation(){
uint8_t hits = 0;
t55xx_conf_block_t tests[15];
int bitRate=0;
uint8_t fc1 = 0, fc2 = 0, ans = 0;
int clk = 0, firstClockEdge = 0;
ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);
if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
if ( FSKrawDemod("0 0", false) && 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) && 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, false);
if (clk>0) {
tests[hits].ST = true;
if ( ASKDemod_ext("0 0 1", false, false, 1, &tests[hits].ST) && 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;
if ( ASKDemod_ext("0 1 1", false, false, 1, &tests[hits].ST) && 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) && 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) && 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, false);
if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it.
if ( NRZrawDemod("0 0 1", false) && 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) && 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, 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) && 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) && 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;
}
// PSK2 - needs a call to psk1TOpsk2.
if ( PSKDemod("0 0 6", false)) {
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)) {
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;
}
if ( hits > 1) {
PrintAndLog("Found [%d] possible matches for modulation.",hits);
for(int i=0; i<hits; ++i){
PrintAndLog("--[%d]---------------", i+1);
printConfiguration( tests[i]);
}
}
return false;
}
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;
}
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;
}
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;
}
bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
if ( DemodBufferLen < 64 ) return false;
uint8_t si = 0;
for (uint8_t idx = 28; idx < 64; idx++){
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;
}
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;
uint8_t si = 0;
for (uint8_t idx = 28; idx < 64; idx++){
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;
}
void printT55xxBlock(const char *blockNum){
uint8_t i = config.offset;
uint8_t endpos = 32 + i;
uint32_t blockData = 0;
uint8_t bits[64] = {0x00};
if ( !DemodBufferLen) return;
if ( endpos > DemodBufferLen){
PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
return;
}
for (; i < endpos; ++i)
bits[i - config.offset]=DemodBuffer[i];
blockData = PackBits(0, 32, bits);
PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
}
int special(const char *Cmd) {
uint32_t blockData = 0;
uint8_t bits[32] = {0x00};
PrintAndLog("OFFSET | DATA | BINARY");
PrintAndLog("----------------------------------------------------");
int i,j = 0;
for (; j < 64; ++j){
for (i = 0; i < 32; ++i)
bits[i]=DemodBuffer[j+i];
blockData = PackBits(0, 32, bits);
PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
}
return 0;
}
int printConfiguration( t55xx_conf_block_t b){
PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) );
PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
PrintAndLog("Offset : %d", b.offset);
PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );
PrintAndLog("Block0 : 0x%08X", b.block0);
PrintAndLog("");
return 0;
}
int CmdT55xxWakeUp(const char *Cmd) {
uint32_t password = 0;
if ( strlen(Cmd) <= 0 ) return usage_t55xx_wakup();
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wakup();
password = param_get32ex(Cmd, 0, 0, 16);
UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
clearCommandBuffer();
SendCommand(&c);
PrintAndLog("Wake up command sent. Try read now");
return 0;
}
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
uint32_t downlink_mode = 0;
bool usepwd = false;
bool page1 = false;
bool gotdata = false;
bool testMode = false;
bool errors = false;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_t55xx_write();
case 'b':
case 'B':
errors |= param_getdec(Cmd, cmdp+1, &block);
cmdp += 2;
break;
case 'd':
case 'D':
data = param_get32ex(Cmd, cmdp+1, 0, 16);
gotdata = true;
cmdp += 2;
break;
case 'p':
case 'P':
password = param_get32ex(Cmd, cmdp+1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case 't':
case 'T':
testMode = true;
cmdp++;
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:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors || !gotdata) return usage_t55xx_write();
if (block > 7) {
PrintAndLog("Block number must be between 0 and 7");
return 0;
}
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
UsbCommand resp;
c.d.asBytes[0] = (page1) ? 0x2 : 0;
c.d.asBytes[0] |= (testMode) ? 0x4 : 0;
c.d.asBytes[0] |= (downlink_mode << 3);
char pwdStr[16] = {0};
snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
//Password mode
if (usepwd) {
c.arg[2] = password;
c.d.asBytes[0] |= 0x1;
}
clearCommandBuffer();
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
return 0;
}
return 1;
}
int CmdT55xxReadTrace(const char *Cmd) {
char cmdp = param_getchar(Cmd, 0);
bool pwdmode = false;
uint32_t password = 0;
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
return usage_t55xx_trace();
if (strlen(Cmd)==0)
if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password,0 ) )
return 0;
if ( config.Q5 ) {
if (!DecodeT5555TraceBlock()) return 0;
} else {
if (!DecodeT55xxBlock()) return 0;
}
if ( !DemodBufferLen ) return 0;
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) {
PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
return 0;
}
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); si += 5;
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 ) {
PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
return 0;
}
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);
time_t t = time(NULL);
struct tm tm = *localtime(&t);
if ( data.year > tm.tm_year-110)
data.year += 2000;
else
data.year += 2010;
printT55x7Trace(data, repeat);
}
return 0;
}
void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){
PrintAndLog("-- T55x7 Trace Information ----------------------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getManufacturerName(data.mfc));
PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
PrintAndLog(" ICR IC Revision : %d", data.icr );
PrintAndLog(" Manufactured");
PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
PrintAndLog(" Lot ID : %d", data.lotid );
PrintAndLog(" Wafer number : %d", data.wafer);
PrintAndLog(" Die Number : %d", data.dw);
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 1");
PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
PrintAndLog("-------------------------------------------------------------");
/*
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 ){
PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" ICR IC Revision : %d", data.icr );
PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
PrintAndLog(" Wafer number : %d", data.wafer);
PrintAndLog(" Die Number : %d", data.dw);
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 1");
PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
PrintAndLog(" 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
*/
}
//need to add Q5 info...
int CmdT55xxInfo(const char *Cmd){
/*
Page 0 Block 0 Configuration data.
Normal mode
Extended mode
*/
bool pwdmode = false;
uint32_t password = 0;
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
return usage_t55xx_info();
if (strlen(Cmd)==0)
if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password,0 ) )
return 1;
if (!DecodeT55xxBlock()) return 1;
// too little space to start with
if ( DemodBufferLen < 32) return 1;
uint8_t si = config.offset;
uint32_t bl0 = PackBits(si, 32, DemodBuffer);
uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
PrintAndLog("");
PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Safer key : %s", GetSaferStr(safer));
PrintAndLog(" reserved : %d", resv);
PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr, extend));
PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
PrintAndLog(" PSK clock frequency : %d", pskcf);
PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
PrintAndLog(" Max block : %d", maxblk);
PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 0");
PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
PrintAndLog("-------------------------------------------------------------");
return 0;
}
int CmdT55xxDump(const char *Cmd){
uint32_t password = 0;
char cmdp = param_getchar(Cmd, 0);
bool override = false;
if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
bool usepwd = ( strlen(Cmd) > 0);
if ( usepwd ){
password = param_get32ex(Cmd, 0, 0, 16);
if (param_getchar(Cmd, 1) =='o' )
override = true;
}
printT5xxHeader(0);
for ( uint8_t i = 0; i <8; ++i)
T55xxReadBlock(i, 0, usepwd, override, password,0);
printT5xxHeader(1);
for ( uint8_t i = 0; i<4; i++)
T55xxReadBlock(i, 1, usepwd, override, password,0);
return 1;
}
int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password, uint8_t downlink_mode ){
// arg0 bitmodes:
// bit0 = pwdmode
// bit1 = page to read from
uint8_t arg0 = (page<<1) | pwdmode;
arg0 |= (downlink_mode << 3);
UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
clearCommandBuffer();
SendCommand(&c);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
PrintAndLog("command execution time out");
return 0;
}
getSamples(12000,true);
return 1;
}
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),"%d - RF/%d", id, EM4x05_GET_BITRATE(id));
} else {
switch (id) {
case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
}
}
return buf;
}
char * GetSaferStr(uint32_t id) {
static char buf[40];
char *retStr = buf;
snprintf(retStr,sizeof(buf),"%d",id);
if (id == 6) {
snprintf(retStr,sizeof(buf),"%d - passwd",id);
}
if (id == 9 ){
snprintf(retStr,sizeof(buf),"%d - testmode",id);
}
return buf;
}
char * GetModulationStr( uint32_t id){
static char buf[60];
char *retStr = buf;
switch (id){
case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
case 0x18: snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",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),"(Unknown)"); break;
}
return buf;
}
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
int i = start;
int j = len-1;
if (len > 32) return 0;
uint32_t tmp = 0;
for (; j >= 0; --j, ++i)
tmp |= bits[i] << j;
return tmp;
}
int CmdResetRead(const char *Cmd) {
UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
clearCommandBuffer();
SendCommand(&c);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
PrintAndLog("command execution time out");
return 0;
}
uint8_t got[BIGBUF_SIZE-1];
GetFromBigBuf(got, sizeof(got), 0, NULL, -1 , 0);
setGraphBuf(got, sizeof(got));
return 1;
}
int CmdT55xxWipe(const char *Cmd) {
char writeData[20] = {0};
char *ptrData = writeData;
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
bool Q5 = (cmdp == 'q' || cmdp == 'Q');
// Try with the default password to reset block 0
// With a pwd should work even if pwd bit not set
PrintAndLog("\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 00088040 p 0");
}
if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
for (uint8_t blk = 1; blk<8; blk++) {
snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
if (!CmdT55xxWriteBlock(ptrData))
PrintAndLog("Error writing blk %d", blk);
memset(writeData, 0x00, sizeof(writeData));
}
return 0;
}
int CmdT55xxBruteForce(const char *Cmd) {
// load a default pwd file.
char buf[9];
char filename[FILE_PATH_SIZE]={0};
int keycnt = 0;
int ch;
uint8_t stKeyBlock = 20;
uint8_t *keyBlock = NULL, *p = NULL;
uint32_t start_password = 0x00000000; //start password
uint32_t end_password = 0xFFFFFFFF; //end password
bool found = false;
uint8_t downlink_mode = 0;
bool try_all_dl_modes = false;
uint8_t dl_mode = 0;
uint8_t cmd_offset = 0;
int cmd_opt = 0;
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
if (cmdp == 'r' || cmdp == 'R') {
downlink_mode = param_getchar(Cmd, 1) - '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_opt += 2; // To help start/end passwords for range to be found
cmd_offset += 4; // r <sp> x <sp> To help the string offset for filename start position in cmd
cmdp = param_getchar(Cmd, 2); // get 3rd option, as this is fixed order.
}
keyBlock = calloc(stKeyBlock, 6);
if (keyBlock == NULL) return 1;
if (cmdp == 'i' || cmdp == 'I') {
int len = strlen(Cmd+2);
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
memcpy(filename, Cmd+2+cmd_offset, len);
FILE * f = fopen( filename , "r");
if ( !f ) {
PrintAndLog("File: %s: not found or locked.", filename);
free(keyBlock);
return 1;
}
while( fgets(buf, sizeof(buf), f) ) {
if (strlen(buf) < 8 || buf[7] == '\n') continue;
while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
//The line start with # is comment, skip
if( buf[0]=='#' ) continue;
if (!isxdigit((unsigned char)buf[0])) {
PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
continue;
}
buf[8] = 0;
if ( stKeyBlock - keycnt < 2) {
p = realloc(keyBlock, 6*(stKeyBlock+=10));
if (!p) {
PrintAndLog("Cannot allocate memory for defaultKeys");
free(keyBlock);
fclose(f);
return 2;
}
keyBlock = p;
}
memset(keyBlock + 4 * keycnt, 0, 4);
num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
keycnt++;
memset(buf, 0, sizeof(buf));
}
fclose(f);
if (keycnt == 0) {
PrintAndLog("No keys found in file");
free(keyBlock);
return 1;
}
PrintAndLog("Loaded %d keys", keycnt);
// loop
uint64_t testpwd = 0x00;
for (uint16_t c = 0; c < keycnt; ++c ) {
if (ukbhit()) {
ch = getchar();
(void)ch;
printf("\naborted via keyboard!\n");
free(keyBlock);
return 0;
}
testpwd = bytes_to_num(keyBlock + 4*c, 4);
PrintAndLog("Testing %08X", testpwd);
// Try each downlink_mode if asked to
// donwlink_mode will = 0 if > 3 or set to 0, so loop from 0 - 3
for (dl_mode = downlink_mode; dl_mode <= 3; dl_mode++){
if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, testpwd, dl_mode)) {
PrintAndLog("Acquiring data from device failed. Quitting");
free(keyBlock);
return 0;
}
found = tryDetectModulation();
if ( found ) {
PrintAndLog("Found valid password: [%08X]", testpwd);
free(keyBlock);
T55xx_Print_DownlinkMode (dl_mode);
return 0;
}
if (!try_all_dl_modes) // Exit loop if not trying all downlink modes
dl_mode = 4;
}
}
PrintAndLog("Password NOT found.");
free(keyBlock);
return 0;
}
// Try to read Block 7, first :)
// incremental pwd range search
start_password = param_get32ex(Cmd, cmd_opt , 0, 16);
end_password = param_get32ex(Cmd, cmd_opt+1 , 0, 16);
if ( start_password >= end_password ) {
free(keyBlock);
return usage_t55xx_bruteforce();
}
PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
uint32_t i = start_password;
while ((!found) && (i <= end_password)) {
printf(".");
fflush(stdout);
if (ukbhit()) {
ch = getchar();
(void)ch;
printf("\naborted via keyboard!\n");
free(keyBlock);
return 0;
}
// Try each downlink_mode if asked to
// donwlink_mode will = 0 if > 3 or set to 0, so loop from 0 - 3
for (dl_mode = downlink_mode; dl_mode <= 3; dl_mode++){
if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i,dl_mode)) {
PrintAndLog("Acquiring data from device failed. Quitting");
free(keyBlock);
return 0;
}
found = tryDetectModulation();
if (found) break;
if (!try_all_dl_modes) // Exit loop if not trying all downlink modes
dl_mode = 4;
}
if (found) break;
i++;
}
if (found){
PrintAndLog("Found valid password: [%08x]", i);
T55xx_Print_DownlinkMode (downlink_mode);
}
else{
PrintAndLog("");
PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
}
free(keyBlock);
return 0;
}
// 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, 1, 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, false, &firstClockEdge);
if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {
if ( FSKrawDemod("0 0", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
if ( FSKrawDemod("0 1", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
return false;
}
// try psk clock detect. if successful it cannot be any other type of modulation... (in theory...)
clk = GetPskClock("", false, false);
if (clk>0) {
// allow undo
// save_restoreGB(1);
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
//CmdLtrim("160");
if ( PSKDemod("0 0 6", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
//save_restoreGB(0);
return true;
}
if ( PSKDemod("0 1 6", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
//save_restoreGB(0);
return true;
}
// PSK2 - needs a call to psk1TOpsk2.
if ( PSKDemod("0 0 6", false)) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
//save_restoreGB(0);
return true;
}
} // inverse waves does not affect PSK2 demod
//undo trim samples
//save_restoreGB(0);
// no other modulation clocks = 2 or 4 so quit searching
if (fc1 != 8) return false;
}
// try ask clock detect. it could be another type even if successful.
clk = GetAskClock("", false, false);
if (clk>0) {
if ( ASKDemod_ext("0 0 1", false, false, 1, &st) &&
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) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
if ( ASKbiphaseDemod("0 0 0 2", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
if ( ASKbiphaseDemod("0 0 1 2", false) &&
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, false); //has the most false positives :(
if (clk>0) {
if ( NRZrawDemod("0 0 1", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
if ( NRZrawDemod("0 1 1", false) &&
preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) &&
(DemodBufferLen == 32 || DemodBufferLen == 64) ) {
return true;
}
}
return false;
}
// does this need to be a callable command?
int CmdT55xxDetectPage1(const char *Cmd){
bool errors = false;
bool useGB = false;
bool usepwd = false;
uint32_t password = 0;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_t55xx_detectP1();
case 'p':
case 'P':
password = param_get32ex(Cmd, cmdp+1, 0, 16);
usepwd = true;
cmdp += 2;
break;
case '1':
// use Graphbuffer data
useGB = true;
cmdp++;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (errors) return usage_t55xx_detectP1();
if ( !useGB ) {
if ( !AquireData(T55x7_PAGE1, 1, usepwd, password,0) )
return false;
}
bool success = tryDetectP1(false);
if (success) PrintAndLog("T55xx chip found!");
return success;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
{"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
{"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
{"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
{"p1detect", CmdT55xxDetectPage1,1, "[1] Try detecting if this is a t55xx tag by reading page 1"},
{"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
{"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},
{"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
{"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
{"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
{"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
{"special", special, 0, "Show block changes with 64 different offsets"},
{"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
{"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
{NULL, NULL, 0, NULL}
};
int CmdLFT55XX(const char *Cmd) {
CmdsParse(CommandTable, Cmd);
return 0;
}
int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}
Reference in New Issue View Git Blame Copy Permalink