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proxmark3/client/cmdlft55xx.c
iceman1001 ad6219fc91 ADD: @marshmellow42 's fixed version of the ISO11784 FDX-B 
ADD: crc16_ccitt_rev  (reverse version of crc16_ccitt 0x0000)
2015-06-04 10:33:55 +02:00

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//-----------------------------------------------------------------------------
//
// 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 <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <time.h>
#include "proxmark3.h"
#include "ui.h"
#include "graph.h"
#include "cmdmain.h"
#include "cmdparser.h"
#include "cmddata.h"
#include "cmdlf.h"
#include "cmdlft55xx.h"
#include "util.h"
#include "data.h"
#include "lfdemod.h"
#include "../common/crc.h"
#include "../common/iso14443crc.h"
#include "cmdhf14a.h"
#define CONFIGURATION_BLOCK 0x00
#define TRACE_BLOCK 0x01
// Default configuration
t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00};
int usage_t55xx_config(){
PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");
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|NZ|BI|BIa> Set demodulation FSK / ASK / PSK / NZ / 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("");
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 <block> <password>");
PrintAndLog(" <block>, block number to read. Between 0-7");
PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx read 0 - read data from block 0");
PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");
PrintAndLog("");
return 0;
}
int usage_t55xx_write(){
PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");
PrintAndLog(" <block>, block number to write. Between 0-7");
PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");
PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx wr 3 11223344 - write 11223344 to block 3");
PrintAndLog(" lf t55xx wr 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");
PrintAndLog("");
return 0;
}
int usage_t55xx_trace() {
PrintAndLog("Usage: lf t55xx trace [1]");
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(" [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>");
PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx dump");
PrintAndLog(" lf t55xx dump feedbeef");
PrintAndLog("");
return 0;
}
int usage_t55xx_detect(){
PrintAndLog("Usage: lf t55xx detect");
PrintAndLog("");
PrintAndLog("Examples:");
PrintAndLog(" lf t55xx detect");
PrintAndLog(" lf t55xx detect 1");
PrintAndLog("");
return 0;
}
static int CmdHelp(const char *Cmd);
int CmdT55xxSetConfig(const char *Cmd) {
uint8_t offset = 0;
bool errors = FALSE;
uint8_t cmdp = 0;
char modulation[5] = {0x00};
char tmp = 0x00;
uint8_t bitRate = 0;
uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
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);
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;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = TRUE;
break;
}
}
// No args
if (cmdp == 0) {
printConfiguration( config );
return 0;
}
//Validations
if (errors)
return usage_t55xx_config();
config.block0 = 0;
printConfiguration ( config );
return 0;
}
int CmdT55xxReadBlock(const char *Cmd) {
int block = -1;
int password = 0xFFFFFFFF; //default to blank Block 7
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H')
return usage_t55xx_read();
int res = sscanf(Cmd, "%d %x", &block, &password);
if ( res < 1 || res > 2 )
return usage_t55xx_read();
if ((block < 0) | (block > 7)) {
PrintAndLog("Block must be between 0 and 7");
return 1;
}
UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};
c.d.asBytes[0] = 0x0;
//Password mode
if ( res == 2 ) {
c.arg[2] = password;
c.d.asBytes[0] = 0x1;
}
SendCommand(&c);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
PrintAndLog("command execution time out");
return 2;
}
uint8_t got[12000];
GetFromBigBuf(got,sizeof(got),0);
WaitForResponse(CMD_ACK,NULL);
setGraphBuf(got, 12000);
DemodBufferLen=0;
if (!DecodeT55xxBlock()) return 3;
char blk[10]={0};
sprintf(blk,"%d", block);
printT55xxBlock(blk);
return 0;
}
bool DecodeT55xxBlock(){
char buf[30] = {0x00};
char *cmdStr = buf;
int ans = 0;
uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
DemodBufferLen = 0x00;
//trim 1/2 a clock from beginning
snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );
CmdLtrim(cmdStr);
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 0", bitRate[config.bitrate], config.inverted );
ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
break;
case DEMOD_PSK1:
snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );
ans = PSKDemod(cmdStr, FALSE);
break;
case DEMOD_PSK2: //inverted won't affect this
case DEMOD_PSK3: //not fully implemented
snprintf(cmdStr, sizeof(buf),"%d 0 1", bitRate[config.bitrate] );
ans = PSKDemod(cmdStr, FALSE);
psk1TOpsk2(DemodBuffer, DemodBufferLen);
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 0", bitRate[config.bitrate], config.inverted );
ans = ASKbiphaseDemod(cmdStr, FALSE);
break;
default:
return FALSE;
}
return (bool) ans;
}
int CmdT55xxDetect(const char *Cmd){
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
return usage_t55xx_detect();
if (strlen(Cmd)==0)
AquireData( CONFIGURATION_BLOCK );
if ( !tryDetectModulation() )
PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
return 0;
}
// detect configuration?
bool tryDetectModulation(){
char cmdStr[8] = {0};
uint8_t hits = 0;
t55xx_conf_block_t tests[15];
int bitRate=0;
uint8_t fc1 = 0, fc2 = 0, clk=0;
save_restoreGB(1);
if (GetFskClock("", FALSE, FALSE)){
fskClocks(&fc1, &fc2, &clk, FALSE);
sprintf(cmdStr,"%d", clk/2);
CmdLtrim(cmdStr);
if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){
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);
++hits;
}
if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) {
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);
++hits;
}
} else {
clk = GetAskClock("", FALSE, FALSE);
if (clk>0) {
sprintf(cmdStr,"%d", clk/2);
CmdLtrim(cmdStr);
if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {
tests[hits].modulation = DEMOD_ASK;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
if ( ASKDemod("0 1 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {
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 0", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate) ) {
tests[hits].modulation = DEMOD_BI;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate) ) {
tests[hits].modulation = DEMOD_BIa;
tests[hits].bitrate = bitRate;
tests[hits].inverted = TRUE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
}
//undo trim from ask
save_restoreGB(0);
clk = GetNrzClock("", FALSE, FALSE);
if (clk>0) {
sprintf(cmdStr,"%d", clk/2);
CmdLtrim(cmdStr);
if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {
tests[hits].modulation = DEMOD_NRZ;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {
tests[hits].modulation = DEMOD_NRZ;
tests[hits].bitrate = bitRate;
tests[hits].inverted = TRUE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
}
//undo trim from nrz
save_restoreGB(0);
clk = GetPskClock("", FALSE, FALSE);
if (clk>0) {
PrintAndLog("clk %d",clk);
sprintf(cmdStr,"%d", clk/2);
CmdLtrim(cmdStr);
if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {
tests[hits].modulation = DEMOD_PSK1;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {
tests[hits].modulation = DEMOD_PSK1;
tests[hits].bitrate = bitRate;
tests[hits].inverted = TRUE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
// PSK2 - needs a call to psk1TOpsk2.
if ( PSKDemod("0 0 1", FALSE)) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate)){
tests[hits].modulation = DEMOD_PSK2;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
} // inverse waves does not affect this demod
// PSK3 - needs a call to psk1TOpsk2.
if ( PSKDemod("0 0 1", FALSE)) {
psk1TOpsk2(DemodBuffer, DemodBufferLen);
if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate)){
tests[hits].modulation = DEMOD_PSK3;
tests[hits].bitrate = bitRate;
tests[hits].inverted = FALSE;
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
++hits;
}
} // inverse waves does not affect this demod
}
}
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;
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 > 3 && modread < 8) 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 testBitRate(uint8_t readRate, uint8_t mod){
uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128};
uint8_t detRate = 0;
switch( mod ){
case DEMOD_FSK:
case DEMOD_FSK1:
case DEMOD_FSK1a:
case DEMOD_FSK2:
case DEMOD_FSK2a:
detRate = GetFskClock("",FALSE, FALSE);
if (expected[readRate] == detRate)
return TRUE;
break;
case DEMOD_ASK:
case DEMOD_BI:
case DEMOD_BIa:
detRate = GetAskClock("",FALSE, FALSE);
if (expected[readRate] == detRate)
return TRUE;
break;
case DEMOD_PSK1:
case DEMOD_PSK2:
case DEMOD_PSK3:
detRate = GetPskClock("",FALSE, FALSE);
if (expected[readRate] == detRate)
return TRUE;
break;
case DEMOD_NRZ:
detRate = GetNrzClock("",FALSE, FALSE);
if (expected[readRate] == detRate)
return TRUE;
break;
default:
return FALSE;
}
return FALSE;
}
bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){
if ( DemodBufferLen < 64 ) return FALSE;
uint8_t si = 0;
for (uint8_t idx = 0; idx < 64; idx++){
si = idx;
if ( PackBits(si, 32, 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;
uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
if (bitRate > 7) continue;
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 (nml01 || nml02 || xtRate) continue;
}
//test modulation
if (!testModulation(mode, modread)) continue;
if (!testBitRate(bitRate, mode)) continue;
*fndBitRate = bitRate;
*offset = idx;
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] 0x%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;
}
void printConfiguration( t55xx_conf_block_t b){
PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
PrintAndLog("Offset : %d", b.offset);
PrintAndLog("Block0 : 0x%08X", b.block0);
PrintAndLog("");
}
int CmdT55xxWriteBlock(const char *Cmd)
{
int block = 8; //default to invalid block
int data = 0xFFFFFFFF; //default to blank Block
int password = 0xFFFFFFFF; //default to blank Block 7
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') {
usage_t55xx_write();
return 0;
}
int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);
if ( res < 2 || res > 3) {
usage_t55xx_write();
return 1;
}
if (block > 7) {
PrintAndLog("Block number must be between 0 and 7");
return 1;
}
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
c.d.asBytes[0] = 0x0;
PrintAndLog("Writing to block: %d data : 0x%08X", block, data);
//Password mode
if (res == 3) {
c.arg[2] = password;
c.d.asBytes[0] = 0x1;
PrintAndLog("pwd : 0x%08X", password);
}
SendCommand(&c);
return 0;
}
int CmdT55xxReadTrace(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
return usage_t55xx_trace();
if (strlen(Cmd)==0)
AquireData( TRACE_BLOCK );
if (!DecodeT55xxBlock()) return 1;
if ( !DemodBufferLen) return 1;
RepaintGraphWindow();
uint8_t repeat = 0;
if (config.offset > 5)
repeat = 32;
uint8_t si = config.offset+repeat;
uint32_t bl0 = PackBits(si, 32, DemodBuffer);
uint32_t bl1 = PackBits(si+32, 32, DemodBuffer);
uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
uint32_t dw = PackBits(si, 15, DemodBuffer);
time_t t = time(NULL);
struct tm tm = *localtime(&t);
if ( year > tm.tm_year-110)
year += 2000;
else
year += 2010;
if ( acl != 0xE0 ) {
PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
return 1;
}
PrintAndLog("");
PrintAndLog("-- T55xx Trace Information ----------------------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
PrintAndLog(" ICR IC Revision : %d",icr );
PrintAndLog(" Manufactured");
PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
PrintAndLog(" Lot ID : %d", lotid );
PrintAndLog(" Wafer number : %d", wafer);
PrintAndLog(" Die Number : %d", dw);
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Raw Data - Page 1");
PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) );
PrintAndLog(" Block 1 : 0x%08X %s", bl1, 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
*/
return 0;
}
int CmdT55xxInfo(const char *Cmd){
/*
Page 0 Block 0 Configuration data.
Normal mode
Extended mode
*/
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
return usage_t55xx_info();
if (strlen(Cmd)==0)
AquireData( CONFIGURATION_BLOCK );
if (!DecodeT55xxBlock()) return 1;
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;
PrintAndLog("");
PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
PrintAndLog("-------------------------------------------------------------");
PrintAndLog(" Safer key : %s", GetSaferStr(safer));
PrintAndLog(" reserved : %d", resv);
PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
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){
char s[20] = {0x00};
uint8_t pwd[4] = {0x00};
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H') {
usage_t55xx_dump();
return 0;
}
bool hasPwd = ( strlen(Cmd) > 0);
if ( hasPwd ){
if (param_gethex(Cmd, 0, pwd, 8)) {
PrintAndLog("password must include 8 HEX symbols");
return 1;
}
}
for ( int i = 0; i <8; ++i){
memset(s,0,sizeof(s));
if ( hasPwd ) {
sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
} else {
sprintf(s,"%d", i);
}
CmdT55xxReadBlock(s);
}
return 0;
}
int AquireData( uint8_t block ){
UsbCommand c;
if ( block == CONFIGURATION_BLOCK )
c.cmd = CMD_T55XX_READ_BLOCK;
else if (block == TRACE_BLOCK )
c.cmd = CMD_T55XX_READ_TRACE;
c.arg[0] = 0x00;
c.arg[1] = 0x00;
c.arg[2] = 0x00;
c.d.asBytes[0] = 0x0;
//Password mode
// if ( res == 2 ) {
// c.arg[2] = password;
// c.d.asBytes[0] = 0x1;
// }
SendCommand(&c);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
PrintAndLog("command execution time out");
return 1;
}
uint8_t got[12000];
GetFromBigBuf(got,sizeof(got),0);
WaitForResponse(CMD_ACK,NULL);
setGraphBuf(got, 12000);
return 0;
}
char * GetBitRateStr(uint32_t id){
static char buf[25];
char *retStr = buf;
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;
}
*/
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
{"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
{"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},
{"read", CmdT55xxReadBlock, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
{"write", CmdT55xxWriteBlock,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
{"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},
{"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},
{"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},
{"special", special, 0, "Show block changes with 64 different offsets"},
{NULL, NULL, 0, NULL}
};
int CmdLFT55XX(const char *Cmd)
{
CmdsParse(CommandTable, Cmd);
return 0;
}
int CmdHelp(const char *Cmd)
{
CmdsHelp(CommandTable);
return 0;
}
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