#include "util.h"\r
#include "data.h"\r
#include "lfdemod.h"\r
+#include "../common/crc.h"\r
\r
#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)\r
#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits = \r
\r
+// 0 = FSK\r
+// 1 = ASK\r
+// 2 = PSK\r
+// 4 = NZR (direct)\r
+typedef struct {\r
+ uint8_t modulation;\r
+ bool inversed;\r
+ uint32_t block0;\r
+} t55xx_conf_block_t;\r
+\r
+// Default configuration: FSK, not inversed.\r
+t55xx_conf_block_t config = { .modulation = 0, .inversed = FALSE, .block0 = 0x00};\r
+\r
+int usage_t55xx_config(){\r
+ PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1]");\r
+ PrintAndLog("Options: ");\r
+ PrintAndLog(" h This help");\r
+ PrintAndLog(" d <FSK|ASK|PSK|NZ|BI> Set demodulation FSK / ASK / PSK / NZ / Biphase");\r
+ PrintAndLog(" i [1] Inverse data signal, defaults to normal");\r
+ PrintAndLog("");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx config d FSK - FSK demodulation");\r
+ PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
int usage_t55xx_read(){\r
PrintAndLog("Usage: lf t55xx read <block> <password>");\r
PrintAndLog(" <block>, block number to read. Between 0-7");\r
PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");\r
PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx read 0 = try reading data from block 0");\r
- PrintAndLog(" : lf t55xx read 0 feedbeef = try reading data from block 0 using password");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
+ PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
PrintAndLog("");\r
return 0;\r
}\r
PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");\r
PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");\r
PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx wd 3 11223344 = try writing data 11223344 to block 3");\r
- PrintAndLog(" : lf t55xx wd 3 11223344 feedbeef = try writing data 11223344 to block 3 using password feedbeef");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");\r
+ PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
PrintAndLog("");\r
return 0;\r
}\r
int usage_t55xx_trace() {\r
- PrintAndLog("Usage: lf t55xx trace [graph buffer data]");\r
+ PrintAndLog("Usage: lf t55xx trace [1]");\r
PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx trace");\r
- PrintAndLog(" : lf t55xx trace 1");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx trace");\r
+ PrintAndLog(" lf t55xx trace 1");\r
PrintAndLog("");\r
return 0;\r
}\r
int usage_t55xx_info() {\r
- PrintAndLog("Usage: lf t55xx info [graph buffer data]");\r
+ PrintAndLog("Usage: lf t55xx info [1]");\r
PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx info");\r
- PrintAndLog(" : lf t55xx info 1");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx info");\r
+ PrintAndLog(" lf t55xx info 1");\r
PrintAndLog("");\r
return 0;\r
}\r
int usage_t55xx_dump(){\r
PrintAndLog("Usage: lf t55xx dump <password>");\r
- PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex characters)");\r
+ PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");\r
PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx dump");\r
- PrintAndLog(" : lf t55xx dump feedbeef");\r
+ PrintAndLog("Examples:");\r
+ PrintAndLog(" lf t55xx dump");\r
+ PrintAndLog(" lf t55xx dump feedbeef");\r
PrintAndLog("");\r
return 0;\r
}\r
\r
static int CmdHelp(const char *Cmd);\r
\r
+int CmdT55xxSetConfig(const char *Cmd){\r
+\r
+ int len;\r
+ bool inverse;\r
+ bool errors = FALSE;\r
+ uint8_t cmdp = 0;\r
+ char modulation[4] = {0x00};\r
+ \r
+ while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
+ {\r
+ switch(param_getchar(Cmd, cmdp))\r
+ {\r
+ case 'h':\r
+ case 'H':\r
+ return usage_t55xx_config();\r
+ case 'd':\r
+ len = param_getstr(Cmd, cmdp+1, modulation);\r
+ cmdp+= len+1;\r
+ //FSK|ASK|PSK|NZ|BI\r
+ if ( strcmp(modulation, "FSK" ) == 0)\r
+ len = 1;\r
+ else if ( strcmp(modulation, "ASK" ) == 0)\r
+ len = 2;\r
+ else if ( strcmp(modulation, "PSK" ) == 0)\r
+ len = 3;\r
+ else if ( strcmp(modulation, "NZ" ) == 0)\r
+ len = 4;\r
+ else if ( strcmp(modulation, "BI" ) == 0)\r
+ len = 5;\r
+ else {\r
+ PrintAndLog("Unknown modulation '%s'", modulation);\r
+ errors = TRUE;\r
+ }\r
+ break;\r
+ case 'i':\r
+ inverse = param_getchar(Cmd,cmdp+1) == '1';\r
+ cmdp+=2;\r
+ break;\r
+ default:\r
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+ errors = TRUE;\r
+ break;\r
+ }\r
+ }\r
+ // No args\r
+ if (cmdp == 0) {\r
+ PrintAndLog("Modulation: %d", config.modulation);\r
+ PrintAndLog("Invert : %d", config.inversed);\r
+ PrintAndLog("Block0 : %08X", config.block0);\r
+ return 0;\r
+ }\r
+ //Validations\r
+ if (errors)\r
+ return usage_t55xx_config();\r
+ \r
+ config.modulation = len;\r
+ config.inversed = inverse;\r
+ config.block0 = 0;\r
+ return 0;\r
+}\r
+// detect configuration?\r
+\r
int CmdReadBlk(const char *Cmd)\r
{\r
- int i = 0;\r
int block = -1;\r
int password = 0xFFFFFFFF; //default to blank Block 7\r
- size_t bitlen = 0;\r
- uint32_t blockData = 0;\r
- uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
- \r
+\r
char cmdp = param_getchar(Cmd, 0);\r
- if (cmdp == 'h' || cmdp == 'H') {\r
- usage_t55xx_read();\r
- return 0;\r
- }\r
+ if (cmdp == 'h' || cmdp == 'H')\r
+ return usage_t55xx_read();\r
\r
int res = sscanf(Cmd, "%d %x", &block, &password);\r
\r
WaitForResponse(CMD_ACK,NULL);\r
\r
setGraphBuf(got, 12000);\r
- \r
- bitlen = getFromGraphBuf(bits);\r
-\r
- int ans = 0;\r
- ans = CmdFSKrawdemod("");\r
- ans = CmdFSKrawdemod("1"); //invert?\r
- ans = Cmdaskmandemod("");\r
- ans = Cmdaskrawdemod("");\r
- ans = CmdNRZrawDemod("");\r
- ans = CmdPSK1rawDemod("");\r
- ans = CmdPSK2rawDemod("");\r
+\r
+ if (block == 0){\r
+ // try a detection. \r
+ }\r
+ \r
+ if (CmdDetectClockRate("f")){ //wave is almost certainly FSK\r
+ // FSK\r
+ if ( FSKrawDemod("0 0", FALSE) && test())\r
+ printT55xx("FSK");\r
+ // FSK inverted\r
+ if ( FSKrawDemod("0 1", FALSE) && test()) \r
+ printT55xx("FSK inv");\r
+ } else {\r
+ // ASK/MAN (autoclock, normal, maxerrors 1)\r
+ if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test()) \r
+ printT55xx("ASK/MAN");\r
+ \r
+ // ASK/MAN (autoclock, inverted, maxerrors 1)\r
+ if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test()) \r
+ printT55xx("ASK/MAN Inv");\r
+\r
+ // NZR (autoclock, normal, maxerrors 1)\r
+ if ( NRZrawDemod("0 0 1", FALSE) && test()) \r
+ printT55xx("NZR");\r
+ // NZR (autoclock, inverted, maxerrors 1)\r
+ if ( NRZrawDemod("0 1 1", FALSE) && test()) \r
+ printT55xx("NZR inv");\r
+ \r
+ // PSK (autoclock, normal, maxerrors 1)\r
+ if ( PSKDemod("0 0 1", FALSE) && test()) \r
+ printT55xx("PSK");\r
+\r
+ // PSK (autoclock, inverted, maxerrors 1)\r
+ if ( PSKDemod("0 1 1", FALSE) && test()) \r
+ printT55xx("PSK inv");\r
+ \r
+ //PSK2?\r
+ \r
+ // if (!BiphaseRawDecode("0",FALSE) && test()) \r
+ // printT55xx("BIPHASE");\r
+ \r
+ // if (!BiphaseRawDecode("1",FALSE) && test()) \r
+ // printT55xx("BIPHASE inv");\r
+ }\r
+ return 0;\r
+}\r
+bool test(){\r
+\r
+ if ( !DemodBufferLen) \r
+ return false;\r
\r
- // if ( !tryDemod(bits, bitlen) )\r
- // return 3;\r
+ uint8_t si = 1;\r
+ uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; \r
+ uint8_t resv = PackBits(si, 7, DemodBuffer); si += 7+3;\r
+ uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1;\r
+\r
+ //PrintAndLog("test: %X %X %X ", safer, resv, extend);\r
\r
- // //move bits back to DemodBuffer\r
- // setDemodBuf(bits, bitlen, 0);\r
- // printBitStream(bits, bitlen);\r
+ // 2nibble must be zeroed.\r
+ if ( resv > 0x00) return FALSE;\r
+\r
+ if ( safer == 0x6 || safer == 0x9){\r
+ if ( extend == 0x00)\r
+ return TRUE;\r
+ }\r
+ if ( resv== 0x00) return TRUE;\r
+ return FALSE;\r
+}\r
+\r
+void printT55xx(const char *demodStr){\r
+ \r
+ uint32_t blockData = 0;\r
+ uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
+ \r
if ( !DemodBufferLen) \r
- return 0;\r
+ return;\r
\r
+ int i =0;\r
for (;i<DemodBufferLen;++i)\r
bits[i]=DemodBuffer[i];\r
\r
blockData = PackBits(1, 32, bits);\r
-\r
- if ( block < 0)\r
- PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bits+1,32) );\r
- else\r
- PrintAndLog(" Block %d : 0x%08X %s", block, blockData, sprint_bin(bits+1,32) );\r
- \r
- return 0;\r
+ PrintAndLog("0x%08X %s [%s]", blockData, sprint_bin(bits+1,32), demodStr );\r
}\r
\r
-\r
/*\r
FSK1 / FSK1a\r
size = fskdemod(dest, size, 32, 0, 8, 10); // fsk1 RF/32 \r
PSK1\r
errCnt = pskRawDemod(bits, &bitlen, 32, 0);\r
*/\r
-bool tryDemod(uint8_t bits[], size_t bitlen) {\r
- \r
- int invert = 0;\r
- int clk = 0;\r
- int errCnt, size;\r
- int maxErr = 100;\r
- uint8_t rflen, fchigh, fclow, dummy = 0;\r
- uint16_t fcs=0;\r
-\r
- // ASK - manchester demod\r
- errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr);\r
- if ( analyseDemod(errCnt, bitlen, clk, invert) ) \r
- return true;\r
-\r
- // FSK demod\r
- fcs = countFC(bits, bitlen, &dummy);\r
- if (fcs == 0){\r
- fchigh = 10;\r
- fclow = 8;\r
- }else{\r
- fchigh = (fcs >> 8) & 0xFF;\r
- fclow = fcs & 0xFF;\r
- }\r
- //get bit clock length\r
- rflen = detectFSKClk(bits, bitlen, fchigh, fclow);\r
- rflen = (rflen == 0) ? 50 : rflen;\r
-\r
- size = fskdemod(bits, bitlen, rflen, invert, fchigh, fclow);\r
- if ( analyseDemod(size, bitlen, clk, invert) ) \r
- return true; \r
- \r
- // PSK demod\r
- return false;\r
-}\r
-\r
-bool analyseDemod( int errCnt, size_t bitlen, uint8_t clock, uint8_t invert){\r
- if (g_debugMode) \r
- PrintAndLog("ErrorCount: %d, Bits Found: %d, Clock: %d, invert: %d", errCnt, bitlen, clock, invert);\r
- //PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);\r
- \r
- //throw away static - allow 1 and -1 (in case of threshold command first)\r
- if ( errCnt == -1 || bitlen < 32 ){ \r
- PrintAndLog("no success demod");\r
- return false;\r
- }\r
- return true;\r
-}\r
-\r
int CmdWriteBlk(const char *Cmd)\r
{\r
int block = 8; //default to invalid block\r
\r
int CmdReadTrace(const char *Cmd)\r
{\r
- size_t bitlen;\r
uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
\r
char cmdp = param_getchar(Cmd, 0);\r
//CmdSamples("12000");\r
}\r
\r
- bitlen = getFromGraphBuf(bits);\r
-\r
-\r
+ size_t bitlen = getFromGraphBuf(bits);\r
+ if ( bitlen == 0 )\r
+ return 2;\r
+ \r
RepaintGraphWindow();\r
\r
uint8_t si = 5;\r
*/\r
char cmdp = param_getchar(Cmd, 0);\r
\r
- if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
- usage_t55xx_info();\r
- return 0;\r
+ if (cmdp == 'h' || cmdp == 'H') {\r
+ return usage_t55xx_info();\r
} else {\r
CmdReadBlk("0");\r
} \r
\r
+ // config\r
+ \r
uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
\r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);\r
- \r
- uint8_t si = 5;\r
+ uint8_t si = 1;\r
uint32_t bl0 = PackBits(si, 32, bits);\r
\r
uint32_t safer = PackBits(si, 4, bits); si += 4; \r
uint32_t resv = PackBits(si, 7, bits); si += 7;\r
uint32_t dbr = PackBits(si, 3, bits); si += 3;\r
uint32_t extend = PackBits(si, 1, bits); si += 1;\r
- uint32_t datamodulation = PackBits(si, 5, bits); si += 5;\r
+ uint32_t datamod = PackBits(si, 5, bits); si += 5;\r
uint32_t pskcf = PackBits(si, 2, bits); si += 2;\r
uint32_t aor = PackBits(si, 1, bits); si += 1; \r
uint32_t otp = PackBits(si, 1, bits); si += 1; \r
PrintAndLog(" reserved : %d", resv);\r
PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
- PrintAndLog(" Modulation : %s", GetModulationStr(datamodulation) );\r
+ PrintAndLog(" Modulation : %s", GetModulationStr(datamod));\r
PrintAndLog(" PSK clock freq : %d", pskcf);\r
PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");\r
PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );\r
PrintAndLog(" Max block : %d", maxblk);\r
PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");\r
PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");\r
- PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
+ PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");\r
PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
PrintAndLog("-------------------------------------------------------------");\r
return 0;\r
}\r
\r
-int CmdIceFsk(const char *Cmd){\r
-\r
- if (!HasGraphData()) return 0;\r
-\r
- iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);\r
- RepaintGraphWindow();\r
- return 0;\r
-}\r
-int CmdIceManchester(const char *Cmd){\r
- ManchesterDemod( -1);\r
- return 0;\r
-}\r
-int ManchesterDemod(int blockNum){\r
-\r
- if (!HasGraphData()) return 0;\r
- \r
- uint8_t sizebyte = 32;\r
- // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.\r
- uint8_t offset = 5;\r
- uint32_t blockData;\r
- uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
- uint8_t * bitstream = bits;\r
- \r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); \r
- blockData = PackBits(offset, sizebyte, bits);\r
-\r
- if ( blockNum < 0)\r
- PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) );\r
- else\r
- PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) );\r
- \r
- return 0;\r
-} \r
-\r
char * GetBitRateStr(uint32_t id){\r
static char buf[40];\r
char *retStr = buf;\r
\r
sprintf(retStr,"%d",id);\r
if (id == 6) {\r
- sprintf(retStr,"%d - pasdwd",id);\r
+ sprintf(retStr,"%d - passwd",id);\r
}\r
if (id == 9 ){\r
- sprintf(retStr,"%d - testmode ",id);\r
+ sprintf(retStr,"%d - testmode",id);\r
}\r
\r
return buf;\r
return buf;\r
}\r
\r
-\r
uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
\r
int i = start;\r
\r
static command_t CommandTable[] =\r
{\r
- {"help", CmdHelp, 1, "This help"},\r
- {"read", CmdReadBlk, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
- {"write", CmdWriteBlk, 0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
- {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},\r
- {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"},\r
- {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
+ {"help", CmdHelp, 1, "This help"},\r
+ {"config", CmdT55xxSetConfig, 1, "Set T55XX config for modulation, inversed data"},\r
+ {"read", CmdReadBlk, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
+ {"write", CmdWriteBlk, 0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
+ {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},\r
+ {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"},\r
+ {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
{NULL, NULL, 0, NULL}\r
};\r
\r
projects / proxmark3-svn / blobdiff