3e4811c8b7
By checking if the configuration data (page 0, block 0) has some settings that must be the same. think reserved 7bits, This is a trail and error approach. But together with setting a manual configuration to read a tag and this automatic verification it will help out alot I think.
658 lines
18 KiB
C
658 lines
18 KiB
C
//-----------------------------------------------------------------------------
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Low frequency T55xx commands
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//-----------------------------------------------------------------------------
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include "proxmark3.h"
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#include "ui.h"
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#include "graph.h"
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#include "cmdmain.h"
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#include "cmdparser.h"
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#include "cmddata.h"
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#include "cmdlf.h"
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#include "cmdlft55xx.h"
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#include "util.h"
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#include "data.h"
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#include "lfdemod.h"
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#include "../common/crc.h"
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#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)
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#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits =
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// 0 = FSK
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// 1 = ASK
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// 2 = PSK
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// 4 = NZR (direct)
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typedef struct {
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uint8_t modulation;
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bool inversed;
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uint32_t block0;
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} t55xx_conf_block_t;
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// Default configuration: FSK, not inversed.
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t55xx_conf_block_t config = { .modulation = 0, .inversed = FALSE, .block0 = 0x00};
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int usage_t55xx_config(){
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PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1]");
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PrintAndLog("Options: ");
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PrintAndLog(" h This help");
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PrintAndLog(" d <FSK|ASK|PSK|NZ|BI> Set demodulation FSK / ASK / PSK / NZ / Biphase");
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PrintAndLog(" i [1] Inverse data signal, defaults to normal");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
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PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
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PrintAndLog("");
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return 0;
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}
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int usage_t55xx_read(){
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PrintAndLog("Usage: lf t55xx read <block> <password>");
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PrintAndLog(" <block>, block number to read. Between 0-7");
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PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx read 0 - read data from block 0");
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PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");
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PrintAndLog("");
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return 0;
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}
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int usage_t55xx_write(){
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PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");
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PrintAndLog(" <block>, block number to read. Between 0-7");
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PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");
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PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");
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PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");
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PrintAndLog("");
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return 0;
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}
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int usage_t55xx_trace() {
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PrintAndLog("Usage: lf t55xx trace [1]");
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PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx trace");
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PrintAndLog(" lf t55xx trace 1");
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PrintAndLog("");
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return 0;
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}
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int usage_t55xx_info() {
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PrintAndLog("Usage: lf t55xx info [1]");
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PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx info");
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PrintAndLog(" lf t55xx info 1");
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PrintAndLog("");
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return 0;
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}
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int usage_t55xx_dump(){
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PrintAndLog("Usage: lf t55xx dump <password>");
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PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");
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PrintAndLog("");
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PrintAndLog("Examples:");
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PrintAndLog(" lf t55xx dump");
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PrintAndLog(" lf t55xx dump feedbeef");
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PrintAndLog("");
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return 0;
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}
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static int CmdHelp(const char *Cmd);
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int CmdT55xxSetConfig(const char *Cmd){
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int len;
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bool inverse;
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bool errors = FALSE;
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uint8_t cmdp = 0;
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char modulation[4] = {0x00};
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while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
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{
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switch(param_getchar(Cmd, cmdp))
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{
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case 'h':
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case 'H':
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return usage_t55xx_config();
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case 'd':
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len = param_getstr(Cmd, cmdp+1, modulation);
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cmdp+= len+1;
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//FSK|ASK|PSK|NZ|BI
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if ( strcmp(modulation, "FSK" ) == 0)
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len = 1;
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else if ( strcmp(modulation, "ASK" ) == 0)
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len = 2;
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else if ( strcmp(modulation, "PSK" ) == 0)
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len = 3;
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else if ( strcmp(modulation, "NZ" ) == 0)
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len = 4;
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else if ( strcmp(modulation, "BI" ) == 0)
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len = 5;
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else {
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PrintAndLog("Unknown modulation '%s'", modulation);
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errors = TRUE;
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}
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break;
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case 'i':
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inverse = param_getchar(Cmd,cmdp+1) == '1';
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cmdp+=2;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
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errors = TRUE;
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break;
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}
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}
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// No args
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if (cmdp == 0) {
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PrintAndLog("Modulation: %d", config.modulation);
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PrintAndLog("Invert : %d", config.inversed);
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PrintAndLog("Block0 : %08X", config.block0);
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return 0;
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}
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//Validations
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if (errors)
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return usage_t55xx_config();
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config.modulation = len;
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config.inversed = inverse;
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config.block0 = 0;
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return 0;
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}
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// detect configuration?
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int CmdReadBlk(const char *Cmd)
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{
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int block = -1;
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int password = 0xFFFFFFFF; //default to blank Block 7
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H')
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return usage_t55xx_read();
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int res = sscanf(Cmd, "%d %x", &block, &password);
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if ( res < 1 || res > 2 ){
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usage_t55xx_read();
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return 1;
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}
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if ((block < 0) | (block > 7)) {
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PrintAndLog("Block must be between 0 and 7");
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return 1;
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}
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UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};
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c.d.asBytes[0] = 0x0;
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//Password mode
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if ( res == 2 ) {
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c.arg[2] = password;
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c.d.asBytes[0] = 0x1;
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}
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SendCommand(&c);
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if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
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PrintAndLog("command execution time out");
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return 2;
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}
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uint8_t got[12000];
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GetFromBigBuf(got,sizeof(got),0);
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WaitForResponse(CMD_ACK,NULL);
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setGraphBuf(got, 12000);
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if (block == 0){
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// try a detection.
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}
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if (CmdDetectClockRate("f")){ //wave is almost certainly FSK
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// FSK
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if ( FSKrawDemod("0 0", FALSE) && test())
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printT55xx("FSK");
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// FSK inverted
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if ( FSKrawDemod("0 1", FALSE) && test())
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printT55xx("FSK inv");
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} else {
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// ASK/MAN (autoclock, normal, maxerrors 1)
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if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test())
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printT55xx("ASK/MAN");
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// ASK/MAN (autoclock, inverted, maxerrors 1)
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if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test())
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printT55xx("ASK/MAN Inv");
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// NZR (autoclock, normal, maxerrors 1)
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if ( NRZrawDemod("0 0 1", FALSE) && test())
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printT55xx("NZR");
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// NZR (autoclock, inverted, maxerrors 1)
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if ( NRZrawDemod("0 1 1", FALSE) && test())
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printT55xx("NZR inv");
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// PSK (autoclock, normal, maxerrors 1)
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if ( PSKDemod("0 0 1", FALSE) && test())
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printT55xx("PSK");
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// PSK (autoclock, inverted, maxerrors 1)
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if ( PSKDemod("0 1 1", FALSE) && test())
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printT55xx("PSK inv");
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//PSK2?
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// if (!BiphaseRawDecode("0",FALSE) && test())
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// printT55xx("BIPHASE");
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// if (!BiphaseRawDecode("1",FALSE) && test())
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// printT55xx("BIPHASE inv");
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}
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return 0;
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}
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bool test(){
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if ( !DemodBufferLen)
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return false;
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uint8_t si = 1;
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uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4;
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uint8_t resv = PackBits(si, 7, DemodBuffer); si += 7+3;
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uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1;
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//PrintAndLog("test: %X %X %X ", safer, resv, extend);
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// 2nibble must be zeroed.
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if ( resv > 0x00) return FALSE;
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if ( safer == 0x6 || safer == 0x9){
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if ( extend == 0x00)
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return TRUE;
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}
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if ( resv== 0x00) return TRUE;
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return FALSE;
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}
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void printT55xx(const char *demodStr){
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uint32_t blockData = 0;
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uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};
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if ( !DemodBufferLen)
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return;
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int i =0;
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for (;i<DemodBufferLen;++i)
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bits[i]=DemodBuffer[i];
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blockData = PackBits(1, 32, bits);
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PrintAndLog("0x%08X %s [%s]", blockData, sprint_bin(bits+1,32), demodStr );
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}
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/*
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FSK1 / FSK1a
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size = fskdemod(dest, size, 32, 0, 8, 10); // fsk1 RF/32
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size = fskdemod(dest, size, 32, 1, 8, 10); // fsk1a RF/32
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FSK2 / FSK2a
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size = fskdemod(dest, size, 32, 0, 10, 8); // fsk2 RF/32
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size = fskdemod(dest, size, 32, 1, 10, 8); // fsk2a RF/32
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size = fskdemod(dest, size, 50, 1, 10, 8); // fsk2a RF/50
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size = fskdemod(dest, size, 64, 1, 10, 8); // FSK2a RF/64
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PSK1
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errCnt = pskRawDemod(bits, &bitlen, 32, 0);
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*/
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int CmdWriteBlk(const char *Cmd)
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{
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int block = 8; //default to invalid block
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int data = 0xFFFFFFFF; //default to blank Block
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int password = 0xFFFFFFFF; //default to blank Block 7
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H') {
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usage_t55xx_write();
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return 0;
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}
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int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);
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if ( res < 2 || res > 3) {
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usage_t55xx_write();
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return 1;
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}
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if (block > 7) {
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PrintAndLog("Block must be between 0 and 7");
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return 1;
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}
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UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
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c.d.asBytes[0] = 0x0;
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PrintAndLog("Writing to T55x7");
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PrintAndLog("block : %d", block);
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PrintAndLog("data : 0x%08X", data);
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//Password mode
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if (res == 3) {
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c.arg[2] = password;
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c.d.asBytes[0] = 0x1;
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PrintAndLog("pwd : 0x%08X", password);
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}
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SendCommand(&c);
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return 0;
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}
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int CmdReadTrace(const char *Cmd)
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{
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uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
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usage_t55xx_trace();
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return 0;
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}
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if ( strlen(Cmd)==0){
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UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};
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SendCommand(&c);
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if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
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PrintAndLog("command execution time out");
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return 1;
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}
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//darn
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//CmdSamples("12000");
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}
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size_t bitlen = getFromGraphBuf(bits);
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if ( bitlen == 0 )
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return 2;
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RepaintGraphWindow();
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uint8_t si = 5;
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uint32_t bl0 = PackBits(si, 32, bits);
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uint32_t bl1 = PackBits(si+32, 32, bits);
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uint32_t acl = PackBits(si, 8, bits); si += 8;
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uint32_t mfc = PackBits(si, 8, bits); si += 8;
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uint32_t cid = PackBits(si, 5, bits); si += 5;
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uint32_t icr = PackBits(si, 3, bits); si += 3;
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uint32_t year = PackBits(si, 4, bits); si += 4;
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uint32_t quarter = PackBits(si, 2, bits); si += 2;
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uint32_t lotid = PackBits(si, 12, bits); si += 12;
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uint32_t wafer = PackBits(si, 5, bits); si += 5;
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uint32_t dw = PackBits(si, 15, bits);
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PrintAndLog("");
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PrintAndLog("-- T55xx Trace Information ----------------------------------");
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PrintAndLog("-------------------------------------------------------------");
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PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
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PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc);
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PrintAndLog(" CID : 0x%02X (%d)", cid, cid);
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PrintAndLog(" ICR IC Revision : %d",icr );
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PrintAndLog(" Manufactured");
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PrintAndLog(" Year/Quarter : %d/%d",2000+year, quarter );
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PrintAndLog(" Lot ID : %d", lotid );
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PrintAndLog(" Wafer number : %d", wafer);
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PrintAndLog(" Die Number : %d", dw);
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PrintAndLog("-------------------------------------------------------------");
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PrintAndLog(" Raw Data - Page 1");
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PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) );
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PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bits+37,32) );
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PrintAndLog("-------------------------------------------------------------");
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/*
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TRACE - BLOCK O
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Bits Definition HEX
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1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
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9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
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17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
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22-24 ICR IC revision
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25-28 YEAR (BCD encoded) 9 (= 2009)
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29-30 QUARTER 1,2,3,4
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31-32 LOT ID
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TRACE - BLOCK 1
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1-12 LOT ID
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13-17 Wafer number
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18-32 DW, die number sequential
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*/
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return 0;
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}
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int CmdInfo(const char *Cmd){
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/*
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Page 0 Block 0 Configuration data.
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Normal mode
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Extended mode
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*/
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H') {
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return usage_t55xx_info();
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} else {
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CmdReadBlk("0");
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}
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// config
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uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
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uint8_t si = 1;
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uint32_t bl0 = PackBits(si, 32, bits);
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uint32_t safer = PackBits(si, 4, bits); si += 4;
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uint32_t resv = PackBits(si, 7, bits); si += 7;
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uint32_t dbr = PackBits(si, 3, bits); si += 3;
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uint32_t extend = PackBits(si, 1, bits); si += 1;
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uint32_t datamod = PackBits(si, 5, bits); si += 5;
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uint32_t pskcf = PackBits(si, 2, bits); si += 2;
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uint32_t aor = PackBits(si, 1, bits); si += 1;
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uint32_t otp = PackBits(si, 1, bits); si += 1;
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uint32_t maxblk = PackBits(si, 3, bits); si += 3;
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uint32_t pwd = PackBits(si, 1, bits); si += 1;
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uint32_t sst = PackBits(si, 1, bits); si += 1;
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uint32_t fw = PackBits(si, 1, bits); si += 1;
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uint32_t inv = PackBits(si, 1, bits); si += 1;
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uint32_t por = PackBits(si, 1, bits); si += 1;
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PrintAndLog("");
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PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
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PrintAndLog("-------------------------------------------------------------");
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PrintAndLog(" Safer key : %s", GetSaferStr(safer));
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PrintAndLog(" reserved : %d", resv);
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PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
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PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
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PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
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PrintAndLog(" PSK clock freq : %d", pskcf);
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PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
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PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
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|
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(bits+5,32) );
|
|
PrintAndLog("-------------------------------------------------------------");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CmdDump(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);
|
|
}
|
|
CmdReadBlk(s);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
char * GetBitRateStr(uint32_t id){
|
|
static char buf[40];
|
|
char *retStr = buf;
|
|
switch (id){
|
|
case 0:
|
|
sprintf(retStr,"%d - RF/8",id);
|
|
break;
|
|
case 1:
|
|
sprintf(retStr,"%d - RF/16",id);
|
|
break;
|
|
case 2:
|
|
sprintf(retStr,"%d - RF/32",id);
|
|
break;
|
|
case 3:
|
|
sprintf(retStr,"%d - RF/40",id);
|
|
break;
|
|
case 4:
|
|
sprintf(retStr,"%d - RF/50",id);
|
|
break;
|
|
case 5:
|
|
sprintf(retStr,"%d - RF/64",id);
|
|
break;
|
|
case 6:
|
|
sprintf(retStr,"%d - RF/100",id);
|
|
break;
|
|
case 7:
|
|
sprintf(retStr,"%d - RF/128",id);
|
|
break;
|
|
default:
|
|
sprintf(retStr,"%d - (Unknown)",id);
|
|
break;
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
char * GetSaferStr(uint32_t id){
|
|
static char buf[40];
|
|
char *retStr = buf;
|
|
|
|
sprintf(retStr,"%d",id);
|
|
if (id == 6) {
|
|
sprintf(retStr,"%d - passwd",id);
|
|
}
|
|
if (id == 9 ){
|
|
sprintf(retStr,"%d - testmode",id);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
char * GetModulationStr( uint32_t id){
|
|
static char buf[40];
|
|
char *retStr = buf;
|
|
|
|
switch (id){
|
|
case 0:
|
|
sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);
|
|
break;
|
|
case 1:
|
|
sprintf(retStr,"%d - PSK 1 phase change when input changes",id);
|
|
break;
|
|
case 2:
|
|
sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);
|
|
break;
|
|
case 3:
|
|
sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);
|
|
break;
|
|
case 4:
|
|
sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);
|
|
break;
|
|
case 5:
|
|
sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);
|
|
break;
|
|
case 6:
|
|
sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);
|
|
break;
|
|
case 7:
|
|
sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);
|
|
break;
|
|
case 8:
|
|
sprintf(retStr,"%d - Manschester",id);
|
|
break;
|
|
case 16:
|
|
sprintf(retStr,"%d - Biphase",id);
|
|
break;
|
|
case 17:
|
|
sprintf(retStr,"%d - Reserved",id);
|
|
break;
|
|
default:
|
|
sprintf(retStr,"0x%02X (Unknown)",id);
|
|
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 T55XX config for modulation, inversed data"},
|
|
{"read", CmdReadBlk, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
|
|
{"write", CmdWriteBlk, 0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
|
|
{"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},
|
|
{"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"},
|
|
{"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
int CmdLFT55XX(const char *Cmd)
|
|
{
|
|
CmdsParse(CommandTable, Cmd);
|
|
return 0;
|
|
}
|
|
|
|
int CmdHelp(const char *Cmd)
|
|
{
|
|
CmdsHelp(CommandTable);
|
|
return 0;
|
|
}
|