#include <stdio.h>\r
#include <string.h>\r
#include <inttypes.h>\r
-#include <time.h>\r
#include "proxmark3.h"\r
#include "ui.h"\r
#include "graph.h"\r
#include "util.h"\r
#include "data.h"\r
#include "lfdemod.h"\r
-#include "../common/crc.h"\r
-#include "../common/iso14443crc.h"\r
-#include "cmdhf14a.h"\r
+#include "cmdhf14a.h" //for getTagInfo\r
\r
#define T55x7_CONFIGURATION_BLOCK 0x00\r
#define T55x7_PAGE0 0x00\r
int usage_t55xx_config(){\r
PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");\r
PrintAndLog("Options:");\r
- PrintAndLog(" h This help");\r
- PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");\r
- PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
- PrintAndLog(" i [1] Invert data signal, defaults to normal");\r
- PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");\r
- PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");\r
+ PrintAndLog(" h - This help");\r
+ PrintAndLog(" b <8|16|32|40|50|64|100|128> - Set bitrate");\r
+ PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> - Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
+ PrintAndLog(" i [1] - Invert data signal, defaults to normal");\r
+ PrintAndLog(" o [offset] - Set offset, where data should start decode in bitstream");\r
+ PrintAndLog(" Q5 - Set as Q5(T5555) chip instead of T55x7");\r
+ PrintAndLog(" ST - Set Sequence Terminator on");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx config d FSK - FSK demodulation");\r
int usage_t55xx_trace() {\r
PrintAndLog("Usage: lf t55xx trace [1]");\r
PrintAndLog("Options:");\r
- PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");\r
+ PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx trace");\r
int usage_t55xx_info() {\r
PrintAndLog("Usage: lf t55xx info [1]");\r
PrintAndLog("Options:");\r
- PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");\r
+ PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx info");\r
int usage_t55xx_bruteforce(){\r
PrintAndLog("This command uses A) bruteforce to scan a number range");\r
PrintAndLog(" B) a dictionary attack");\r
- PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");\r
+ PrintAndLog("Usage: lf t55xx bruteforce [h] <start password> <end password> [i <*.dic>]");\r
PrintAndLog(" password must be 4 bytes (8 hex symbols)");\r
PrintAndLog("Options:");\r
PrintAndLog(" h - this help");\r
PrintAndLog("");\r
return 0;\r
}\r
-\r
+int usage_t55xx_recoverpw(){\r
+ PrintAndLog("This command uses a few tricks to try to recover mangled password");\r
+ PrintAndLog("WARNING: this may brick non-password protected chips!");\r
+ PrintAndLog("Usage: lf t55xx recoverpw [password]");\r
+ PrintAndLog(" password must be 4 bytes (8 hex symbols)");\r
+ PrintAndLog(" default password is 51243648, used by many cloners");\r
+ PrintAndLog("Options:");\r
+ PrintAndLog(" h - this help");\r
+ PrintAndLog(" [password] - 4 byte hex value of password written by cloner");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx recoverpw");\r
+ PrintAndLog(" lf t55xx recoverpw 51243648");\r
+ PrintAndLog("");\r
+ return 0;\r
+}int usage_t55xx_wipe(){\r
+ PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");\r
+ PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");\r
+ PrintAndLog("Options:");\r
+ PrintAndLog(" h - this help");\r
+ PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");\r
+ PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");\r
+ return 0;\r
+}\r
static int CmdHelp(const char *Cmd);\r
\r
void printT5xxHeader(uint8_t page){\r
config.Q5 = TRUE;\r
cmdp++;\r
break;\r
+ case 'S':\r
+ case 's': \r
+ config.ST = TRUE;\r
+ cmdp++;\r
+ break;\r
default:\r
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
errors = TRUE;\r
char buf[30] = {0x00};\r
char *cmdStr = buf;\r
int ans = 0;\r
+ bool ST = config.ST;\r
uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
DemodBufferLen = 0x00;\r
\r
break;\r
case DEMOD_ASK:\r
snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );\r
- ans = ASKDemod(cmdStr, FALSE, FALSE, 1);\r
+ ans = ASKDemod_ext(cmdStr, FALSE, FALSE, 1, &ST);\r
break;\r
case DEMOD_PSK1:\r
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);\r
}\r
\r
+// sanity check. Don't use proxmark if it is offline and you didn't specify useGraphbuf\r
+static int SanityOfflineCheck( bool useGraphBuffer ){\r
+ if ( !useGraphBuffer && offline) {\r
+ PrintAndLog("Your proxmark3 device is offline. Specify [1] to use graphbuffer data instead");\r
+ return 0;\r
+ }\r
+ return 1;\r
+}\r
\r
int CmdT55xxDetect(const char *Cmd){\r
bool errors = FALSE;\r
}\r
if (errors) return usage_t55xx_detect();\r
\r
+ // sanity check.\r
+ if (!SanityOfflineCheck(useGB)) return 1;\r
+ \r
if ( !useGB) {\r
if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )\r
- return 0;\r
+ return 1;\r
}\r
\r
if ( !tryDetectModulation() )\r
PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
\r
- return 1;\r
+ return 0;\r
}\r
\r
// detect configuration?\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
} else {\r
clk = GetAskClock("", FALSE, FALSE);\r
if (clk>0) {\r
- if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
+ tests[hits].ST = TRUE;\r
+ // "0 0 1 " == clock auto, invert false, maxError 1.\r
+ // false = no verbose\r
+ // false = no emSearch\r
+ // 1 = Ask/Man\r
+ // st = true\r
+ if ( ASKDemod_ext("0 0 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].modulation = DEMOD_ASK;\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
++hits;\r
}\r
- if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
+ tests[hits].ST = TRUE;\r
+ // "0 0 1 " == clock auto, invert true, maxError 1.\r
+ // false = no verbose\r
+ // false = no emSearch\r
+ // 1 = Ask/Man\r
+ // st = true\r
+ if ( ASKDemod_ext("0 1 1", FALSE, FALSE, 1, &tests[hits].ST) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].modulation = DEMOD_ASK;\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
}\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
}\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = TRUE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
// PSK2 - needs a call to psk1TOpsk2.\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
} // inverse waves does not affect this demod\r
tests[hits].bitrate = bitRate;\r
tests[hits].inverted = FALSE;\r
tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
+ tests[hits].ST = FALSE;\r
++hits;\r
}\r
} // inverse waves does not affect this demod\r
config.offset = tests[0].offset;\r
config.block0 = tests[0].block0;\r
config.Q5 = tests[0].Q5;\r
+ config.ST = tests[0].ST;\r
printConfiguration( config );\r
return TRUE;\r
}\r
uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode\r
uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; \r
//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr\r
- uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode\r
- uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;\r
+ //uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode\r
+ //uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;\r
\r
//if extended mode\r
bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;\r
\r
if (!extMode){\r
- if (nml01 || nml02 || xtRate) continue;\r
+ if (xtRate) continue; //nml01 || nml02 || caused issues on noralys tags\r
}\r
//test modulation\r
if (!testModulation(mode, modread)) continue;\r
PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );\r
PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );\r
PrintAndLog("Offset : %d", b.offset);\r
+ PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );\r
PrintAndLog("Block0 : 0x%08X", b.block0);\r
PrintAndLog("");\r
return 0;\r
uint32_t password = 0; \r
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();\r
\r
- if (strlen(Cmd)==0)\r
+ if (strlen(Cmd)==0) {\r
+ // sanity check.\r
+ if (!SanityOfflineCheck(FALSE)) return 1;\r
+\r
if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )\r
- return 0;\r
+ return 1;\r
+ }\r
\r
if ( config.Q5 ){\r
- if (!DecodeT5555TraceBlock()) return 0;\r
- }\r
- else {\r
- if (!DecodeT55xxBlock()) return 0;\r
+ if (!DecodeT5555TraceBlock()) return 1;\r
+ } else {\r
+ if (!DecodeT55xxBlock()) return 1;\r
}\r
\r
- if ( !DemodBufferLen ) return 0;\r
+ if ( !DemodBufferLen ) return 1;\r
\r
RepaintGraphWindow();\r
uint8_t repeat = (config.offset > 5) ? 32 : 0;\r
\r
if (hdr != 0x1FF) {\r
PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);\r
- return 0;\r
+ return 1;\r
}\r
\r
t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};\r
\r
} else {\r
\r
- t55xx_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};\r
+ 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};\r
\r
data.acl = PackBits(si, 8, DemodBuffer); si += 8;\r
if ( data.acl != 0xE0 ) {\r
PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r
- return 0;\r
+ return 1;\r
}\r
\r
data.mfc = PackBits(si, 8, DemodBuffer); si += 8;\r
else\r
data.year += 2010;\r
\r
- \r
- printT55xxTrace(data, repeat);\r
+ printT55x7Trace(data, repeat);\r
}\r
return 0;\r
}\r
\r
-void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){\r
- PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
+void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){\r
+ PrintAndLog("-- T55x7 Trace Information ----------------------------------");\r
PrintAndLog("-------------------------------------------------------------");\r
PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);\r
PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));\r
18-32 DW, die number sequential\r
*/\r
}\r
+\r
void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){\r
PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");\r
PrintAndLog("-------------------------------------------------------------");\r
*/\r
}\r
\r
+//need to add Q5 info...\r
int CmdT55xxInfo(const char *Cmd){\r
/*\r
Page 0 Block 0 Configuration data.\r
\r
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();\r
\r
- if (strlen(Cmd)==0)\r
+ if (strlen(Cmd)==0){\r
+ // sanity check.\r
+ if (!SanityOfflineCheck(FALSE)) return 1;\r
+ \r
if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )\r
return 1;\r
+ }\r
\r
if (!DecodeT55xxBlock()) return 1;\r
\r
\r
if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");\r
PrintAndLog("");\r
- PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
+ PrintAndLog("-- T55x7 Configuration & Tag Information --------------------");\r
PrintAndLog("-------------------------------------------------------------");\r
PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
PrintAndLog(" reserved : %d", resv);\r
\r
int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){\r
// arg0 bitmodes:\r
- // bit0 = pwdmode\r
- // bit1 = page to read from\r
+ // bit0 = pwdmode\r
+ // bit1 = page to read from\r
+ // arg1: which block to read\r
+ // arg2: password\r
+ \r
uint8_t arg0 = (page<<1) | pwdmode;\r
UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};\r
\r
switch (tagtype){\r
case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;\r
case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;\r
- //case 2: snprintf(retStr, sizeof(buf),"%08X - Q5 Default", Q5_DEFAULT_CONFIG_BLOCK); break;\r
+ case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break;\r
default:\r
break;\r
}\r
int CmdT55xxWipe(const char *Cmd) {\r
char writeData[20] = {0};\r
char *ptrData = writeData;\r
- \r
+ char cmdp = param_getchar(Cmd, 0); \r
+ if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();\r
+\r
+ bool Q5 = (cmdp == 'q' || cmdp == 'Q');\r
+\r
+ // Try with the default password to reset block 0\r
+ // With a pwd should work even if pwd bit not set\r
PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");\r
+ \r
+ if ( Q5 ){\r
+ snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");\r
+ } else {\r
+ snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");\r
+ }\r
\r
- //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)\r
- snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");\r
- \r
- if (!CmdT55xxWriteBlock(ptrData))\r
- PrintAndLog("Error writing blk 0");\r
+ if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");\r
\r
for (uint8_t blk = 1; blk<8; blk++) {\r
\r
snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);\r
\r
- if (!CmdT55xxWriteBlock(ptrData)) \r
- PrintAndLog("Error writing blk %d", blk);\r
+ if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk);\r
\r
memset(writeData,0x00, sizeof(writeData));\r
}\r
char buf[9];\r
char filename[FILE_PATH_SIZE]={0};\r
int keycnt = 0;\r
+ int ch;\r
uint8_t stKeyBlock = 20;\r
- uint8_t *keyBlock = NULL, *p;\r
- keyBlock = calloc(stKeyBlock, 6);\r
- if (keyBlock == NULL) return 1;\r
- \r
+ uint8_t *keyBlock = NULL, *p = NULL;\r
uint32_t start_password = 0x00000000; //start password\r
uint32_t end_password = 0xFFFFFFFF; //end password\r
bool found = false;\r
\r
char cmdp = param_getchar(Cmd, 0);\r
- if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();\r
+ if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();\r
+\r
+ keyBlock = calloc(stKeyBlock, 6);\r
+ if (keyBlock == NULL) return 1;\r
\r
if (cmdp == 'i' || cmdp == 'I') {\r
\r
if (!p) {\r
PrintAndLog("Cannot allocate memory for defaultKeys");\r
free(keyBlock);\r
+ fclose(f);\r
return 2;\r
}\r
keyBlock = p;\r
\r
if (keycnt == 0) {\r
PrintAndLog("No keys found in file");\r
+ free(keyBlock);\r
return 1;\r
}\r
PrintAndLog("Loaded %d keys", keycnt);\r
for (uint16_t c = 0; c < keycnt; ++c ) {\r
\r
if (ukbhit()) {\r
- getchar();\r
+ ch = getchar();\r
+ (void)ch;\r
printf("\naborted via keyboard!\n");\r
+ free(keyBlock);\r
return 0;\r
}\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
\r
\r
if ( found ) {\r
PrintAndLog("Found valid password: [%08X]", testpwd);\r
+ free(keyBlock);\r
return 0;\r
} \r
}\r
PrintAndLog("Password NOT found.");\r
+ free(keyBlock);\r
return 0;\r
}\r
\r
start_password = param_get32ex(Cmd, 0, 0, 16);\r
end_password = param_get32ex(Cmd, 1, 0, 16);\r
\r
- if ( start_password >= end_password ) return usage_t55xx_bruteforce();\r
+ if ( start_password >= end_password ) {\r
+ free(keyBlock);\r
+ return usage_t55xx_bruteforce();\r
+ }\r
\r
PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);\r
\r
printf(".");\r
fflush(stdout);\r
if (ukbhit()) {\r
- getchar();\r
+ ch = getchar();\r
+ (void)ch;\r
printf("\naborted via keyboard!\n");\r
+ free(keyBlock);\r
return 0;\r
}\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
}\r
found = tryDetectModulation();\r
PrintAndLog("Found valid password: [%08x]", i);\r
else\r
PrintAndLog("Password NOT found. Last tried: [%08x]", --i);\r
+\r
+ free(keyBlock);\r
return 0;\r
}\r
\r
+int tryOnePassword(uint32_t password) {\r
+ PrintAndLog("Trying password %08x", password);\r
+ if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, password)) {\r
+ PrintAndLog("Aquireing data from device failed. Quitting");\r
+ return -1;\r
+ }\r
+\r
+ if (tryDetectModulation())\r
+ return 1;\r
+ else return 0;\r
+}\r
+\r
+int CmdT55xxRecoverPW(const char *Cmd) {\r
+ int bit = 0;\r
+ uint32_t orig_password = 0x0;\r
+ uint32_t curr_password = 0x0;\r
+ uint32_t prev_password = 0xffffffff;\r
+ uint32_t mask = 0x0;\r
+ int found = 0;\r
+\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_recoverpw();\r
+\r
+ orig_password = param_get32ex(Cmd, 0, 0x51243648, 16); //password used by handheld cloners\r
+\r
+ // first try fliping each bit in the expected password\r
+ while ((found != 1) && (bit < 32)) {\r
+ curr_password = orig_password ^ ( 1 << bit );\r
+ found = tryOnePassword(curr_password);\r
+ if (found == 1)\r
+ goto done;\r
+ else if (found == -1)\r
+ return 0;\r
+ bit++;\r
+ }\r
+\r
+ // now try to use partial original password, since block 7 should have been completely\r
+ // erased during the write sequence and it is possible that only partial password has been\r
+ // written\r
+ // not sure from which end the bit bits are written, so try from both ends \r
+ // from low bit to high bit\r
+ bit = 0;\r
+ while ((found != 1) && (bit < 32)) {\r
+ mask += ( 1 << bit );\r
+ curr_password = orig_password & mask;\r
+ // if updated mask didn't change the password, don't try it again\r
+ if (prev_password == curr_password) {\r
+ bit++;\r
+ continue;\r
+ }\r
+ found = tryOnePassword(curr_password);\r
+ if (found == 1)\r
+ goto done;\r
+ else if (found == -1)\r
+ return 0;\r
+ bit++;\r
+ prev_password=curr_password;\r
+ }\r
+\r
+ // from high bit to low\r
+ bit = 0;\r
+ mask = 0xffffffff;\r
+ while ((found != 1) && (bit < 32)) {\r
+ mask -= ( 1 << bit );\r
+ curr_password = orig_password & mask;\r
+ // if updated mask didn't change the password, don't try it again\r
+ if (prev_password == curr_password) {\r
+ bit++;\r
+ continue;\r
+ }\r
+ found = tryOnePassword(curr_password);\r
+ if (found == 1)\r
+ goto done;\r
+ else if (found == -1)\r
+ return 0;\r
+ bit++;\r
+ prev_password=curr_password;\r
+ }\r
+done:\r
+ PrintAndLog("");\r
+\r
+ if (found == 1)\r
+ PrintAndLog("Found valid password: [%08x]", curr_password);\r
+ else\r
+ PrintAndLog("Password NOT found.");\r
+\r
+ return 0;\r
+}\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
{"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},\r
{"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},\r
{"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},\r
{"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)"},\r
+ {"recoverpw", CmdT55xxRecoverPW, 0, "[password] Try to recover from bad password write from a cloner. Only use on PW protected chips!"},\r
{"special", special, 0, "Show block changes with 64 different offsets"}, \r
{"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},\r
{"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},\r
- {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},\r
+ {"wipe", CmdT55xxWipe, 0, "[q] Wipe a T55xx tag and set defaults (will destroy any data on tag)"},\r
{"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},\r
{NULL, NULL, 0, NULL}\r
};\r
\r
int CmdLFT55XX(const char *Cmd) {\r
- CmdsParse(CommandTable, Cmd);\r
- return 0;\r
+ clearCommandBuffer();\r
+ CmdsParse(CommandTable, Cmd);\r
+ return 0;\r
}\r
\r
int CmdHelp(const char *Cmd) {\r
- CmdsHelp(CommandTable);\r
- return 0;\r
+ CmdsHelp(CommandTable);\r
+ return 0;\r
}\r
projects / proxmark3-svn / blobdiff