#include "data.h"\r
#include "lfdemod.h"\r
#include "cmdhf14a.h" //for getTagInfo\r
+#include "protocols.h"\r
\r
#define T55x7_CONFIGURATION_BLOCK 0x00\r
#define T55x7_PAGE0 0x00\r
return 0;\r
}\r
int usage_t55xx_write(){\r
- PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1]");\r
+ PrintAndLog("Usage: lf t55xx write [b <block>] [d <data>] [p <password>] [1] [t]");\r
PrintAndLog("Options:");\r
PrintAndLog(" b <block> - block number to write. Between 0-7");\r
PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");\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
PrintAndLog("Examples:");\r
PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");\r
PrintAndLog("");\r
return 0;\r
}\r
+int usage_t55xx_detectP1(){\r
+ PrintAndLog("Command: Detect Page 1 of a t55xx chip");\r
+ PrintAndLog("Usage: lf t55xx p1detect [1] [p <password>]");\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
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx p1detect");\r
+ PrintAndLog(" lf t55xx p1detect 1");\r
+ PrintAndLog(" lf t55xx p1detect p 11223344");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
int usage_t55xx_wakup(){\r
- PrintAndLog("Usage: lf t55xx wakeup [h]
p <password>");
\r+ PrintAndLog("Usage: lf t55xx wakeup [h] <password>");\r
PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");\r
PrintAndLog("Options:");\r
PrintAndLog(" h - this help");\r
- PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");\r
+ PrintAndLog(" <password> - [required] password 4bytes (8 hex symbols)");\r
PrintAndLog("");\r
PrintAndLog("Examples:");\r
- PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");\r
+ PrintAndLog(" lf t55xx wakeup 11223344 - send wakeup password");\r
return 0;\r
}\r
int usage_t55xx_bruteforce(){\r
cmdp+=2;\r
break;\r
case 'd':\r
- param_getstr(Cmd, cmdp+1, modulation);\r
+ param_getstr(Cmd, cmdp+1, modulation, sizeof(modulation));\r
cmdp += 2;\r
\r
if ( strcmp(modulation, "FSK" ) == 0) {\r
break;\r
case DEMOD_PSK1:\r
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
- save_restoreGB(1);\r
+ save_restoreGB(GRAPH_SAVE);\r
CmdLtrim("160");\r
snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );\r
ans = PSKDemod(cmdStr, false);\r
//undo trim samples\r
- save_restoreGB(0);\r
+ save_restoreGB(GRAPH_RESTORE);\r
break;\r
case DEMOD_PSK2: //inverted won't affect this\r
case DEMOD_PSK3: //not fully implemented\r
// skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
- save_restoreGB(1);\r
+ save_restoreGB(GRAPH_SAVE);\r
CmdLtrim("160");\r
snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );\r
ans = PSKDemod(cmdStr, false);\r
psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
//undo trim samples\r
- save_restoreGB(0);\r
+ save_restoreGB(GRAPH_RESTORE);\r
break;\r
case DEMOD_NRZ:\r
snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );\r
uint8_t hits = 0;\r
t55xx_conf_block_t tests[15];\r
int bitRate=0;\r
- uint8_t fc1 = 0, fc2 = 0, clk=0;\r
- if (GetFskClock("", false, false)){ \r
- fskClocks(&fc1, &fc2, &clk, false);\r
+ uint8_t fc1 = 0, fc2 = 0, ans = 0;\r
+ int clk = 0, firstClockEdge = 0;\r
+ ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);\r
+ if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {\r
if ( FSKrawDemod("0 0", false) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].modulation = DEMOD_FSK;\r
if (fc1==8 && fc2 == 5)\r
++hits;\r
}\r
}\r
- //undo trim from ask\r
- //save_restoreGB(0);\r
clk = GetNrzClock("", false, false);\r
- if (clk>0) {\r
+ if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it.\r
if ( NRZrawDemod("0 0 1", false) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].modulation = DEMOD_NRZ;\r
tests[hits].bitrate = bitRate;\r
}\r
}\r
\r
- // allow undo\r
- // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
- save_restoreGB(1);\r
- CmdLtrim("160");\r
clk = GetPskClock("", false, false);\r
if (clk>0) {\r
+ // allow undo\r
+ save_restoreGB(GRAPH_SAVE);\r
+ // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
+ CmdLtrim("160");\r
if ( PSKDemod("0 0 6", false) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {\r
tests[hits].modulation = DEMOD_PSK1;\r
tests[hits].bitrate = bitRate;\r
++hits;\r
}\r
} // inverse waves does not affect this demod\r
+ //undo trim samples\r
+ save_restoreGB(GRAPH_RESTORE);\r
}\r
- //undo trim samples\r
- save_restoreGB(0);\r
} \r
if ( hits == 1) {\r
config.modulation = tests[0].modulation;\r
// moved test to here, since this gets most faults first.\r
if ( resv > 0x00) continue;\r
\r
- uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate\r
- int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate\r
- if (bitRate > 7) continue;\r
+ int bitRate = PackBits(si, 6, DemodBuffer); si += 6; //bit rate (includes extended mode part of rate)\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
//if extended mode\r
bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? true : false;\r
\r
- if (!extMode){\r
- if (xtRate) continue; //nml01 || nml02 || caused issues on noralys tags\r
+ if (!extMode) {\r
+ if (bitRate > 7) continue;\r
+ if (!testBitRate(bitRate, clk)) continue;\r
+ } else { //extended mode bitrate = same function to calc bitrate as em4x05\r
+ if (EM4x05_GET_BITRATE(bitRate) != clk) continue;\r
+\r
}\r
//test modulation\r
if (!testModulation(mode, modread)) continue;\r
- if (!testBitRate(bitRate, clk)) continue;\r
*fndBitRate = bitRate;\r
*offset = idx;\r
*Q5 = false;\r
int printConfiguration( t55xx_conf_block_t b){\r
PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");\r
PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );\r
- PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );\r
+ PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) );\r
PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );\r
PrintAndLog("Offset : %d", b.offset);\r
PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" );\r
\r
int CmdT55xxWakeUp(const char *Cmd) {\r
uint32_t password = 0;\r
- uint8_t cmdp = 0;\r
- bool errors = true;\r
- while(param_getchar(Cmd, cmdp) != 0x00) {\r
- switch(param_getchar(Cmd, cmdp)) {\r
- case 'h':\r
- case 'H':\r
- return usage_t55xx_wakup();\r
- case 'p':\r
- case 'P':\r
- password = param_get32ex(Cmd, cmdp+1, 0xFFFFFFFF, 16);\r
- cmdp += 2;\r
- errors = false;\r
- break;\r
- default:\r
- PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
- errors = true;\r
- break;\r
- }\r
- }\r
- if (errors) return usage_t55xx_wakup();\r
+ if ( strlen(Cmd) <= 0 ) return usage_t55xx_wakup();\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wakup();\r
+\r
+ password = param_get32ex(Cmd, 0, 0, 16);\r
\r
UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};\r
clearCommandBuffer();\r
bool usepwd = false;\r
bool page1 = false; \r
bool gotdata = false;\r
+ bool testMode = false;\r
bool errors = false;\r
uint8_t cmdp = 0;\r
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {\r
usepwd = true;\r
cmdp += 2;\r
break;\r
+ case 't':\r
+ case 'T':\r
+ testMode = true;\r
+ cmdp++;\r
+ break;\r
case '1':\r
page1 = true;\r
cmdp++;\r
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
UsbCommand resp;\r
c.d.asBytes[0] = (page1) ? 0x2 : 0; \r
+ c.d.asBytes[0] |= (testMode) ? 0x4 : 0; \r
\r
char pwdStr[16] = {0};\r
snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);\r
PrintAndLog("-------------------------------------------------------------");\r
PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
PrintAndLog(" reserved : %d", resv);\r
- PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
+ PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr, extend));\r
PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
PrintAndLog(" Modulation : %s", GetModulationStr(datamod));\r
PrintAndLog(" PSK clock frequency : %d", pskcf);\r
bool override = false;\r
if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();\r
\r
- bool usepwd = ( strlen(Cmd) > 0); \r
+ bool usepwd = ( strlen(Cmd) > 0);\r
if ( usepwd ){\r
password = param_get32ex(Cmd, 0, 0, 16);\r
if (param_getchar(Cmd, 1) =='o' )\r
PrintAndLog("command execution time out");\r
return 0;\r
}\r
-\r
- uint8_t got[12000];\r
- GetFromBigBuf(got,sizeof(got),0);\r
- WaitForResponse(CMD_ACK,NULL);\r
- setGraphBuf(got, sizeof(got));\r
+ getSamples(12000,true);\r
return 1;\r
}\r
\r
-char * GetBitRateStr(uint32_t id) {\r
+char * GetBitRateStr(uint32_t id, bool xmode) {\r
static char buf[25];\r
\r
char *retStr = buf;\r
- switch (id) {\r
- case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;\r
- case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;\r
- case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;\r
- case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;\r
- case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;\r
- case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;\r
- case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;\r
- case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;\r
- default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;\r
+ if (xmode) { //xmode bitrate calc is same as em4x05 calc\r
+ snprintf(retStr,sizeof(buf),"%d - RF/%d", id, EM4x05_GET_BITRATE(id));\r
+ } else {\r
+ switch (id) {\r
+ case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;\r
+ case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;\r
+ case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;\r
+ case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;\r
+ case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;\r
+ case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;\r
+ case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;\r
+ case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;\r
+ default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;\r
+ } \r
}\r
return buf;\r
}\r
//The line start with # is comment, skip\r
if( buf[0]=='#' ) continue;\r
\r
- if (!isxdigit(buf[0])) {\r
+ if (!isxdigit((unsigned char)buf[0])) {\r
PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);\r
continue;\r
}\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 tryDetectP1(bool getData) {\r
+ uint8_t preamble[] = {1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1};\r
+ size_t startIdx = 0;\r
+ uint8_t fc1 = 0, fc2 = 0, ans = 0;\r
+ int clk = 0, firstClockEdge = 0;\r
+ bool st = true;\r
+\r
+ if ( getData ) {\r
+ if ( !AquireData(T55x7_PAGE1, 1, false, 0) )\r
+ return false;\r
+ }\r
+\r
+ // try fsk clock detect. if successful it cannot be any other type of modulation... (in theory...)\r
+ ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge);\r
+ if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) {\r
+ if ( FSKrawDemod("0 0", false) && \r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ if ( FSKrawDemod("0 1", false) && \r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ return false;\r
+ }\r
+\r
+ // try psk clock detect. if successful it cannot be any other type of modulation... (in theory...)\r
+ clk = GetPskClock("", false, false);\r
+ if (clk>0) {\r
+ // allow undo\r
+ // save_restoreGB(1);\r
+ // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)\r
+ //CmdLtrim("160");\r
+ if ( PSKDemod("0 0 6", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ //save_restoreGB(0);\r
+ return true;\r
+ }\r
+ if ( PSKDemod("0 1 6", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ //save_restoreGB(0);\r
+ return true;\r
+ }\r
+ // PSK2 - needs a call to psk1TOpsk2.\r
+ if ( PSKDemod("0 0 6", false)) {\r
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
+ if (preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ //save_restoreGB(0);\r
+ return true;\r
+ }\r
+ } // inverse waves does not affect PSK2 demod\r
+ //undo trim samples\r
+ //save_restoreGB(0); \r
+ // no other modulation clocks = 2 or 4 so quit searching\r
+ if (fc1 != 8) return false;\r
+ }\r
+\r
+ // try ask clock detect. it could be another type even if successful.\r
+ clk = GetAskClock("", false, false);\r
+ if (clk>0) {\r
+ if ( ASKDemod_ext("0 0 1", false, false, 1, &st) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ st = true;\r
+ if ( ASKDemod_ext("0 1 1", false, false, 1, &st) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ if ( ASKbiphaseDemod("0 0 0 2", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ if ( ASKbiphaseDemod("0 0 1 2", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ }\r
+\r
+ // try NRZ clock detect. it could be another type even if successful.\r
+ clk = GetNrzClock("", false, false); //has the most false positives :(\r
+ if (clk>0) {\r
+ if ( NRZrawDemod("0 0 1", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ if ( NRZrawDemod("0 1 1", false) &&\r
+ preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && \r
+ (DemodBufferLen == 32 || DemodBufferLen == 64) ) {\r
+ return true;\r
+ }\r
+ }\r
+ return false;\r
+}\r
+// does this need to be a callable command?\r
+int CmdT55xxDetectPage1(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
+\r
+ while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {\r
+ switch(param_getchar(Cmd, cmdp)) {\r
+ case 'h':\r
+ case 'H':\r
+ return usage_t55xx_detectP1();\r
+ case 'p':\r
+ case 'P':\r
+ password = param_get32ex(Cmd, cmdp+1, 0, 16);\r
+ usepwd = true;\r
+ cmdp += 2;\r
+ break;\r
+ case '1':\r
+ // use Graphbuffer data\r
+ useGB = true;\r
+ cmdp++;\r
+ break;\r
+ default:\r
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+ errors = true;\r
+ break;\r
+ }\r
+ }\r
+ if (errors) return usage_t55xx_detectP1();\r
+\r
+ if ( !useGB ) {\r
+ if ( !AquireData(T55x7_PAGE1, 1, usepwd, password) )\r
+ return false;\r
+ }\r
+ bool success = tryDetectP1(false);\r
+ if (success) PrintAndLog("T55xx chip found!");\r
+ return success;\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
{"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
{"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
{"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},\r
projects / proxmark3-svn / blobdiff