PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");\r
PrintAndLog(" o - OPTIONAL override safety check");\r
PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");\r
+ PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");\r
+ PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference"); \r
PrintAndLog(" ****WARNING****");\r
PrintAndLog(" Use of read with password on a tag not configured for a pwd");\r
PrintAndLog(" can damage the tag");\r
PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");\r
PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");\r
PrintAndLog(" t - OPTIONAL test mode write - ****DANGER****"); \r
+ PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");\r
+ PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference"); \r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");\r
PrintAndLog("Options:");\r
PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");\r
PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");\r
+ PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default), '1' long leading reference");\r
+ PrintAndLog(" '2' leading zero, '3' 1 of 4 coding reference"); \r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx detect");\r
PrintAndLog(" <password> - [required] password 4bytes (8 hex symbols)");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
- PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password");\r
+ PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password");\r
return 0;\r
}\r
int usage_t55xx_bruteforce(){\r
PrintAndLog(" password must be 4 bytes (8 hex symbols)");\r
PrintAndLog("Options:");\r
PrintAndLog(" h - this help");\r
+ PrintAndLog(" r <mode> - OPTIONAL downlink encoding '0' fixed bit length (default)"); \r
+ PrintAndLog(" '1' long leading reference, '2' leading zero ");\r
+ PrintAndLog(" '3' 1 of 4 coding reference, '4' special - try all downlink modes");\r
PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");\r
PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");\r
PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
- PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");\r
- PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");\r
+ PrintAndLog(" lf t55xx bruteforce [r 2] aaaaaaaa bbbbbbbb");\r
+ PrintAndLog(" lf t55xx bruteforce [r 2] i default_pwd.dic");\r
PrintAndLog("");\r
return 0;\r
}\r
}\r
\r
// No args\r
- if (cmdp == 0) return printConfiguration( config );\r
+ if (cmdp == 0) return printConfiguration( config);\r
\r
//Validations\r
if (errors) return usage_t55xx_config();\r
\r
config.block0 = 0;\r
- return printConfiguration ( config );\r
+ return printConfiguration ( config);\r
}\r
\r
-int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){\r
+int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password, uint8_t downlink_mode){\r
//Password mode\r
if ( usepwd ) {\r
// try reading the config block and verify that PWD bit is set before doing this!\r
if ( !override ) {\r
- if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;\r
+ if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0,downlink_mode ) ) return 0;\r
if ( !tryDetectModulation() ) {\r
PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");\r
return 0;\r
}\r
}\r
\r
- if (!AquireData(page1, block, usepwd, password) ) return 0;\r
+ if (!AquireData(page1, block, usepwd, password,downlink_mode) ) return 0;\r
if (!DecodeT55xxBlock()) return 0;\r
\r
char blk[10]={0};\r
int CmdT55xxReadBlock(const char *Cmd) {\r
uint8_t block = REGULAR_READ_MODE_BLOCK;\r
uint32_t password = 0; //default to blank Block 7\r
+ uint8_t downlink_mode = 0;\r
+ \r
bool usepwd = false;\r
bool override = false;\r
bool page1 = false;\r
page1 = true;\r
cmdp++;\r
break;\r
+ case 'r':\r
+ case 'R':\r
+ downlink_mode = param_getchar(Cmd, cmdp+1) - '0';\r
+ if (downlink_mode > 3) downlink_mode = 0;\r
+ cmdp +=2;\r
+ break;\r
default:\r
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
errors = true;\r
}\r
\r
printT5xxHeader(page1);\r
- return T55xxReadBlock(block, page1, usepwd, override, password);\r
+ return T55xxReadBlock(block, page1, usepwd, override, password, downlink_mode);\r
}\r
\r
bool DecodeT55xxBlock(){\r
return (bool) ASKDemod("64 0 1", false, false, 1);\r
}\r
\r
+void T55xx_Print_DownlinkMode (uint8_t downlink_mode)\r
+{\r
+ char Msg[80];\r
+ sprintf (Msg,"Downlink Mode used : ");\r
+ \r
+ switch (downlink_mode) {\r
+ case 0 : strcat (Msg,"default/fixed bit length"); break;\r
+ case 1 : strcat (Msg,"long leading reference (r 1)"); break;\r
+ case 2 : strcat (Msg,"leading zero reference (r 2)"); break;\r
+ case 3 : strcat (Msg,"1 of 4 coding reference (r 3)"); break;\r
+ default :\r
+ strcat (Msg,"default/fixed bit length"); break;\r
+\r
+ }\r
+ \r
+ PrintAndLog (Msg);\r
+ \r
+}\r
+\r
int CmdT55xxDetect(const char *Cmd){\r
bool errors = false;\r
bool useGB = false;\r
bool usepwd = false;\r
uint32_t password = 0;\r
uint8_t cmdp = 0;\r
+ uint8_t downlink_mode = 0;\r
\r
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {\r
switch(param_getchar(Cmd, cmdp)) {\r
useGB = true;\r
cmdp++;\r
break;\r
+ case 'r':\r
+ case 'R':\r
+ downlink_mode = param_getchar(Cmd, cmdp+1) - '0';\r
+ if (downlink_mode > 3) downlink_mode = 0;\r
+ cmdp +=2;\r
+ break; \r
default:\r
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
errors = true;\r
if (errors) return usage_t55xx_detect();\r
\r
if ( !useGB) {\r
- if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )\r
+ if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password,downlink_mode) )\r
return 0;\r
}\r
\r
if ( !tryDetectModulation() )\r
PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
-\r
+ else {\r
+ // Add downlink mode for reference.\r
+ T55xx_Print_DownlinkMode (downlink_mode);\r
+ }\r
return 1;\r
}\r
\r
config.block0 = tests[0].block0;\r
config.Q5 = tests[0].Q5;\r
config.ST = tests[0].ST;\r
- printConfiguration( config );\r
+ \r
+ printConfiguration( config);\r
return true;\r
}\r
\r
PrintAndLog("Found [%d] possible matches for modulation.",hits);\r
for(int i=0; i<hits; ++i){\r
PrintAndLog("--[%d]---------------", i+1);\r
- printConfiguration( tests[i] );\r
+ printConfiguration( tests[i]);\r
}\r
}\r
return false;\r
uint8_t block = 0xFF; //default to invalid block\r
uint32_t data = 0; //default to blank Block \r
uint32_t password = 0; //default to blank Block 7\r
+ uint32_t downlink_mode = 0;\r
+ \r
bool usepwd = false;\r
bool page1 = false; \r
bool gotdata = false;\r
page1 = true;\r
cmdp++;\r
break;\r
+ case 'r':\r
+ case 'R':\r
+ downlink_mode = param_getchar(Cmd, cmdp+1) - '0';\r
+ if (downlink_mode > 3) downlink_mode = 0;\r
+ cmdp +=2;\r
+ break;\r
default:\r
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
errors = true;\r
UsbCommand resp;\r
c.d.asBytes[0] = (page1) ? 0x2 : 0; \r
c.d.asBytes[0] |= (testMode) ? 0x4 : 0; \r
-\r
+ c.d.asBytes[0] |= (downlink_mode << 3);\r
+ \r
char pwdStr[16] = {0};\r
snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);\r
\r
PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );\r
-\r
+ \r
//Password mode\r
if (usepwd) {\r
c.arg[2] = password;\r
c.d.asBytes[0] |= 0x1; \r
}\r
+ \r
clearCommandBuffer();\r
SendCommand(&c);\r
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){\r
return usage_t55xx_trace();\r
\r
if (strlen(Cmd)==0)\r
- if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )\r
+ if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password,0 ) )\r
return 0;\r
\r
if ( config.Q5 ) {\r
return usage_t55xx_info();\r
\r
if (strlen(Cmd)==0)\r
- if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )\r
+ if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password,0 ) )\r
return 1;\r
\r
if (!DecodeT55xxBlock()) return 1;\r
\r
printT5xxHeader(0);\r
for ( uint8_t i = 0; i <8; ++i)\r
- T55xxReadBlock(i, 0, usepwd, override, password);\r
+ T55xxReadBlock(i, 0, usepwd, override, password,0);\r
\r
printT5xxHeader(1);\r
for ( uint8_t i = 0; i<4; i++)\r
- T55xxReadBlock(i, 1, usepwd, override, password); \r
+ T55xxReadBlock(i, 1, usepwd, override, password,0); \r
\r
return 1;\r
}\r
\r
-int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){\r
+int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password, uint8_t downlink_mode ){\r
// arg0 bitmodes:\r
// bit0 = pwdmode\r
// bit1 = page to read from\r
uint8_t arg0 = (page<<1) | pwdmode;\r
+ arg0 |= (downlink_mode << 3);\r
UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};\r
\r
clearCommandBuffer();\r
uint32_t start_password = 0x00000000; //start password\r
uint32_t end_password = 0xFFFFFFFF; //end password\r
bool found = false;\r
-\r
+ uint8_t downlink_mode = 0;\r
+ bool try_all_dl_modes = false;\r
+ uint8_t dl_mode = 0;\r
+ uint8_t cmd_offset = 0;\r
+ int cmd_opt = 0;\r
+ \r
char cmdp = param_getchar(Cmd, 0);\r
+ \r
if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();\r
+ if (cmdp == 'r' || cmdp == 'R') {\r
+ downlink_mode = param_getchar(Cmd, 1) - '0'; // get 2nd option, as this is fixed order.\r
+ if (downlink_mode == 4) try_all_dl_modes = true;\r
+ if (downlink_mode > 3) downlink_mode = 0;\r
+ cmd_opt += 2; // To help start/end passwords for range to be found\r
+ cmd_offset += 4; // r <sp> x <sp> To help the string offset for filename start position in cmd\r
+ cmdp = param_getchar(Cmd, 2); // get 3rd option, as this is fixed order.\r
+ }\r
\r
keyBlock = calloc(stKeyBlock, 6);\r
if (keyBlock == NULL) return 1;\r
\r
int len = strlen(Cmd+2);\r
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;\r
- memcpy(filename, Cmd+2, len);\r
+ memcpy(filename, Cmd+2+cmd_offset, len);\r
\r
FILE * f = fopen( filename , "r");\r
\r
testpwd = bytes_to_num(keyBlock + 4*c, 4);\r
\r
PrintAndLog("Testing %08X", testpwd);\r
+ \r
+ // Try each downlink_mode if asked to \r
+ // donwlink_mode will = 0 if > 3 or set to 0, so loop from 0 - 3\r
+ for (dl_mode = downlink_mode; dl_mode <= 3; dl_mode++){\r
+ if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, testpwd, dl_mode)) {\r
+ PrintAndLog("Acquiring data from device failed. Quitting");\r
+ free(keyBlock);\r
+ return 0;\r
+ }\r
\r
- if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, testpwd)) {\r
- PrintAndLog("Aquireing data from device failed. Quitting");\r
- free(keyBlock);\r
- return 0;\r
- }\r
+ found = tryDetectModulation();\r
\r
- found = tryDetectModulation();\r
+ if ( found ) {\r
+ PrintAndLog("Found valid password: [%08X]", testpwd);\r
+ free(keyBlock);\r
+ \r
+ T55xx_Print_DownlinkMode (dl_mode);\r
\r
- if ( found ) {\r
- PrintAndLog("Found valid password: [%08X]", testpwd);\r
- free(keyBlock);\r
- return 0;\r
- }\r
+ return 0;\r
+ }\r
+ if (!try_all_dl_modes) // Exit loop if not trying all downlink modes\r
+ dl_mode = 4;\r
+ } \r
}\r
PrintAndLog("Password NOT found.");\r
free(keyBlock);\r
// Try to read Block 7, first :)\r
\r
// incremental pwd range search\r
- start_password = param_get32ex(Cmd, 0, 0, 16);\r
- end_password = param_get32ex(Cmd, 1, 0, 16);\r
+ start_password = param_get32ex(Cmd, cmd_opt , 0, 16);\r
+ end_password = param_get32ex(Cmd, cmd_opt+1 , 0, 16);\r
\r
if ( start_password >= end_password ) {\r
free(keyBlock);\r
free(keyBlock);\r
return 0;\r
}\r
+ // Try each downlink_mode if asked to \r
+ // donwlink_mode will = 0 if > 3 or set to 0, so loop from 0 - 3\r
+ for (dl_mode = downlink_mode; dl_mode <= 3; dl_mode++){\r
+ if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i,dl_mode)) {\r
+ PrintAndLog("Acquiring data from device failed. Quitting");\r
+ free(keyBlock);\r
+ return 0;\r
+ }\r
+ found = tryDetectModulation();\r
\r
- if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i)) {\r
- PrintAndLog("Aquireing data from device failed. Quitting");\r
- free(keyBlock);\r
- return 0;\r
+ if (found) break;\r
+ if (!try_all_dl_modes) // Exit loop if not trying all downlink modes\r
+ dl_mode = 4; \r
}\r
- found = tryDetectModulation();\r
-\r
if (found) break;\r
i++;\r
}\r
\r
- PrintAndLog("");\r
-\r
- if (found)\r
+ if (found){\r
PrintAndLog("Found valid password: [%08x]", i);\r
- else\r
+ T55xx_Print_DownlinkMode (downlink_mode);\r
+ }\r
+ else{\r
+ PrintAndLog("");\r
PrintAndLog("Password NOT found. Last tried: [%08x]", --i);\r
+ }\r
\r
free(keyBlock);\r
return 0;\r
}\r
-\r
// note length of data returned is different for different chips. \r
// some return all page 1 (64 bits) and others return just that block (32 bits) \r
// unfortunately the 64 bits makes this more likely to get a false positive...\r
bool st = true;\r
\r
if ( getData ) {\r
- if ( !AquireData(T55x7_PAGE1, 1, false, 0) )\r
+ if ( !AquireData(T55x7_PAGE1, 1, false, 0,0) )\r
return false;\r
}\r
\r
if (errors) return usage_t55xx_detectP1();\r
\r
if ( !useGB ) {\r
- if ( !AquireData(T55x7_PAGE1, 1, usepwd, password) )\r
+ if ( !AquireData(T55x7_PAGE1, 1, usepwd, password,0) )\r
return false;\r
}\r
bool success = tryDetectP1(false);\r
\r
static command_t CommandTable[] = {\r
{"help", CmdHelp, 1, "This help"},\r
- {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},\r
+ {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},\r
{"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
{"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},\r
{"p1detect", CmdT55xxDetectPage1,1, "[1] Try detecting if this is a t55xx tag by reading page 1"},\r
projects / proxmark3-svn / blobdiff