#include "cmdlft55xx.h"\r
#include "util.h"\r
#include "data.h"\r
+#include "lfdemod.h"\r
\r
-\r
-#define LF_TRACE_BUFF_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)\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
-static int CmdHelp(const char *Cmd);\r
\r
+int usage_t55xx_rd(){\r
+ PrintAndLog("Usage: lf t55xx rd <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 rd 0 = try reading data from block 0");\r
+ PrintAndLog(" : lf t55xx rd 0 feedbeef = try reading data from block 0 using password");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+int usage_t55xx_wr(){\r
+ PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");\r
+ PrintAndLog(" <block>, block number to read. Between 0-7");\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("");\r
+ return 0;\r
+}\r
+int usage_t55xx_trace() {\r
+ PrintAndLog("Usage: lf t55xx trace [graph buffer data]");\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("");\r
+ return 0;\r
+}\r
+int usage_t55xx_info() {\r
+ PrintAndLog("Usage: lf t55xx info [graph buffer data]");\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("");\r
+ return 0;\r
+}\r
+\r
+int usage_t55xx_dump(){\r
+ PrintAndLog("Usage: lf t55xx dump <password>");\r
+ PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex characters)");\r
+ PrintAndLog("");\r
+ PrintAndLog(" sample: lf t55xx dump");\r
+ PrintAndLog(" : lf t55xx dump feedbeef");\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+static int CmdHelp(const char *Cmd);\r
\r
int CmdReadBlk(const char *Cmd)\r
{\r
+ int invert = 0;\r
+ int clk = 0;\r
int block = -1;\r
- sscanf(Cmd, "%d", &block);\r
-\r
- if ((block > 7) | (block < 0)) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
-\r
- UsbCommand c;\r
- c.cmd = CMD_T55XX_READ_BLOCK;\r
- c.d.asBytes[0] = 0x00;\r
- c.arg[0] = 0;\r
- c.arg[1] = block;\r
- c.arg[2] = 0;\r
- SendCommand(&c);\r
- WaitForResponse(CMD_ACK, NULL);\r
+ int password = 0xFFFFFFFF; //default to blank Block 7\r
+ int errCnt;\r
+ size_t bitlen;\r
+ int maxErr = 100;\r
+ uint8_t askAmp = 0;\r
+ uint32_t blockData;\r
+ uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
\r
-// uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
\r
- // GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..\r
- // WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
-\r
- // for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
- // GraphBuffer[j] = (int)data[j];\r
- // }\r
- // GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
- CmdSamples("12000");\r
- ManchesterDemod(block);\r
- // RepaintGraphWindow();\r
- return 0;\r
-}\r
-\r
-int CmdReadBlkPWD(const char *Cmd)\r
-{\r
- int Block = -1; //default to invalid block\r
- int Password = 0xFFFFFFFF; //default to blank Block 7\r
- UsbCommand c;\r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (cmdp == 'h' || cmdp == 'H') {\r
+ usage_t55xx_rd();\r
+ return 0;\r
+ }\r
\r
- sscanf(Cmd, "%d %x", &Block, &Password);\r
+ int res = sscanf(Cmd, "%d %x", &block, &password);\r
\r
- if ((Block > 7) | (Block < 0)) {\r
+ if ( res < 1 || res > 2 ){\r
+ usage_t55xx_rd();\r
+ return 1;\r
+ }\r
+ \r
+ if ((block < 0) | (block > 7)) {\r
PrintAndLog("Block must be between 0 and 7");\r
return 1;\r
} \r
\r
- PrintAndLog("Reading page 0 block %d pwd %08X", Block, Password);\r
-\r
- c.cmd = CMD_T55XX_READ_BLOCK;\r
- c.d.asBytes[0] = 0x1; //Password mode\r
- c.arg[0] = 0;\r
- c.arg[1] = Block;\r
- c.arg[2] = Password;\r
- SendCommand(&c);\r
- WaitForResponse(CMD_ACK, NULL);\r
- \r
- uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
-\r
- GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..\r
- WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
+ UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
+ c.d.asBytes[0] = 0x0; \r
\r
- for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
- GraphBuffer[j] = ((int)data[j]);\r
+ //Password mode\r
+ if ( res == 2 ) {\r
+ c.arg[2] = password;\r
+ c.d.asBytes[0] = 0x1; \r
}\r
- GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
- ManchesterDemod(Block); \r
- RepaintGraphWindow();\r
- return 0;\r
-}\r
\r
-int CmdWriteBlk(const char *Cmd)\r
-{\r
- int Block = 8; //default to invalid block\r
- int Data = 0xFFFFFFFF; //default to blank Block \r
- UsbCommand c;\r
+ SendCommand(&c);\r
+ if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) {\r
+ PrintAndLog("command execution time out");\r
+ return 2;\r
+ }\r
+ \r
+ CmdSamples("12000");\r
\r
- sscanf(Cmd, "%x %d", &Data, &Block);\r
+ bitlen = getFromGraphBuf(bits);\r
+ \r
+ errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp);\r
+ \r
+ //throw away static - allow 1 and -1 (in case of threshold command first)\r
+ if ( errCnt == -1 || bitlen < 16 ){ \r
+ PrintAndLog("no data found");\r
+ if (g_debugMode) \r
+ PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);\r
+ return 3;\r
+ }\r
+ if (g_debugMode) \r
+ PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen);\r
\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
+ //move bits back to DemodBuffer\r
+ setDemodBuf(bits, bitlen, 0);\r
+ printBitStream(bits,bitlen);\r
+ \r
+ // bits has the manchester encoded data.\r
+ errCnt = manrawdecode(bits, &bitlen); \r
+ if ( errCnt == -1 || bitlen < 16 ){ \r
+ PrintAndLog("no data found");\r
+ if (g_debugMode) \r
+ PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);\r
+ return 4;\r
+ }\r
\r
- PrintAndLog("Writting block %d with data %08X", Block, Data);\r
+ blockData = PackBits(0, 32, bits);\r
\r
- c.cmd = CMD_T55XX_WRITE_BLOCK;\r
- c.d.asBytes[0] = 0x0; //Normal mode\r
- c.arg[0] = Data;\r
- c.arg[1] = Block;\r
- c.arg[2] = 0;\r
- SendCommand(&c);\r
- return 0;\r
+ if ( block < 0)\r
+ PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bits,32) );\r
+ else\r
+ PrintAndLog(" Block %d : 0x%08X %s", block, blockData, sprint_bin(bits,32) );\r
+ \r
+ return 0;\r
}\r
\r
-int CmdWriteBlkPWD(const char *Cmd)\r
+int CmdWriteBlk(const char *Cmd)\r
{\r
- int Block = 8; //default to invalid block\r
- int Data = 0xFFFFFFFF; //default to blank Block \r
- int Password = 0xFFFFFFFF; //default to blank Block 7\r
- UsbCommand c;\r
-\r
- sscanf(Cmd, "%x %d %x", &Data, &Block, &Password);\r
-\r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
-\r
- PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password);\r
-\r
- c.cmd = CMD_T55XX_WRITE_BLOCK;\r
- c.d.asBytes[0] = 0x1; //Password mode\r
- c.arg[0] = Data;\r
- c.arg[1] = Block;\r
- c.arg[2] = Password;\r
- SendCommand(&c);\r
- return 0;\r
+ int block = 8; //default to invalid block\r
+ int data = 0xFFFFFFFF; //default to blank Block \r
+ int password = 0xFFFFFFFF; //default to blank Block 7\r
+ \r
+ char cmdp = param_getchar(Cmd, 0);\r
+ if (cmdp == 'h' || cmdp == 'H') {\r
+ usage_t55xx_wr();\r
+ return 0;\r
+ }\r
+ \r
+ int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);\r
+ \r
+ if ( res < 2 || res > 3) {\r
+ usage_t55xx_wr();\r
+ return 1;\r
+ }\r
+\r
+ if (block > 7) {\r
+ PrintAndLog("Block must be between 0 and 7");\r
+ return 1;\r
+ }\r
+ \r
+ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
+ c.d.asBytes[0] = 0x0; \r
+\r
+ if (res == 2) {\r
+ PrintAndLog("Writing block %d data %08X", block, data);\r
+ } else {\r
+ //Password mode\r
+ c.arg[2] = password;\r
+ c.d.asBytes[0] = 0x1; \r
+ PrintAndLog("Writing block %d data %08X password %08X", block, data, password);\r
+ }\r
+ \r
+ SendCommand(&c);\r
+ return 0;\r
}\r
\r
int CmdReadTrace(const char *Cmd)\r
char cmdp = param_getchar(Cmd, 0);\r
\r
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
- PrintAndLog("Usage: lf t55xx trace [use data from Graphbuffer]");\r
- PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");\r
- PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx trace");\r
- PrintAndLog(" sample: lf t55xx trace 1");\r
+ usage_t55xx_trace();\r
return 0;\r
}\r
\r
if ( strlen(Cmd)==0){\r
+ \r
UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};\r
SendCommand(&c);\r
WaitForResponse(CMD_ACK, NULL);\r
\r
uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
\r
- GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..\r
+ GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..\r
WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
\r
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
char cmdp = param_getchar(Cmd, 0);\r
\r
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
- PrintAndLog("Usage: lf t55xx info [use data from Graphbuffer]");\r
- PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");\r
- PrintAndLog("");\r
- PrintAndLog(" sample: lf t55xx info");\r
- PrintAndLog(" sample: lf t55xx info 1");\r
+ usage_t55xx_info();\r
return 0;\r
- }\r
-\r
- if ( strlen(Cmd)==0){\r
+ } else {\r
CmdReadBlk("0");\r
} \r
\r
uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
- uint8_t * bitstream = bits;\r
- \r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);\r
+\r
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);\r
\r
uint8_t si = 5;\r
- uint32_t bl0 = PackBits(si, 32, bitstream);\r
+ uint32_t bl0 = PackBits(si, 32, bits);\r
\r
- uint32_t safer = PackBits(si, 4, bitstream); si += 4; \r
- uint32_t resv = PackBits(si, 7, bitstream); si += 7;\r
- uint32_t dbr = PackBits(si, 3, bitstream); si += 3;\r
- uint32_t extend = PackBits(si, 1, bitstream); si += 1;\r
- uint32_t datamodulation = PackBits(si, 5, bitstream); si += 5;\r
- uint32_t pskcf = PackBits(si, 2, bitstream); si += 2;\r
- uint32_t aor = PackBits(si, 1, bitstream); si += 1; \r
- uint32_t otp = PackBits(si, 1, bitstream); si += 1; \r
- uint32_t maxblk = PackBits(si, 3, bitstream); si += 3;\r
- uint32_t pwd = PackBits(si, 1, bitstream); si += 1; \r
- uint32_t sst = PackBits(si, 1, bitstream); si += 1; \r
- uint32_t fw = PackBits(si, 1, bitstream); si += 1;\r
- uint32_t inv = PackBits(si, 1, bitstream); si += 1; \r
- uint32_t por = PackBits(si, 1, bitstream); si += 1;\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 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
+ uint32_t maxblk = PackBits(si, 3, bits); si += 3;\r
+ uint32_t pwd = PackBits(si, 1, bits); si += 1; \r
+ uint32_t sst = PackBits(si, 1, bits); si += 1; \r
+ uint32_t fw = PackBits(si, 1, bits); si += 1;\r
+ uint32_t inv = PackBits(si, 1, bits); si += 1; \r
+ uint32_t por = PackBits(si, 1, bits); si += 1;\r
\r
PrintAndLog("");\r
- PrintAndLog("-- T55xx Configuration --------------------------------------");\r
+ PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
PrintAndLog("-------------------------------------------------------------");\r
PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
PrintAndLog(" reserved : %d", resv);\r
PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
PrintAndLog("-------------------------------------------------------------");\r
PrintAndLog(" Raw Data - Page 0");\r
- PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) );\r
+ PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) );\r
PrintAndLog("-------------------------------------------------------------");\r
\r
return 0;\r
\r
int CmdDump(const char *Cmd){\r
\r
- char cmdp = param_getchar(Cmd, 0);\r
- char s[20];\r
+ char s[20] = {0x00};\r
uint8_t pwd[4] = {0x00};\r
- bool hasPwd = ( strlen(Cmd) > 0);\r
- \r
+\r
+ char cmdp = param_getchar(Cmd, 0);\r
if ( cmdp == 'h' || cmdp == 'H') {\r
- PrintAndLog("Usage: lf t55xx dump <password>");\r
- PrintAndLog(" sample: lf t55xx dump FFFFFFFF");\r
+ usage_t55xx_dump();\r
return 0;\r
}\r
- \r
+\r
+ bool hasPwd = ( strlen(Cmd) > 0); \r
if ( hasPwd ){\r
- if (param_gethex(Cmd, 0, pwd, 4)) {\r
- PrintAndLog("password must include 4 HEX symbols");\r
- return 0;\r
+ if (param_gethex(Cmd, 0, pwd, 8)) {\r
+ PrintAndLog("password must include 8 HEX symbols");\r
+ return 1;\r
}\r
}\r
-\r
+ \r
for ( int i = 0; i <8; ++i){\r
memset(s,0,sizeof(s));\r
if ( hasPwd ) {\r
sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);\r
- CmdReadBlkPWD(s);\r
} else {\r
sprintf(s,"%d", i);\r
- CmdReadBlk(s);\r
}\r
+ CmdReadBlk(s);\r
}\r
return 0;\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, bitstream, LF_BITSSTREAM_LEN); \r
- blockData = PackBits(offset, sizebyte, bitstream);\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
\r
int i = start;\r
int j = len-1;\r
+ if (len > 32) {\r
+ return 0;\r
+ }\r
uint32_t tmp = 0;\r
for (; j >= 0; --j, ++i){\r
tmp |= bits[i] << j;\r
static command_t CommandTable[] =\r
{\r
{"help", CmdHelp, 1, "This help"},\r
- {"rd", CmdReadBlk, 0, "<block> -- Read T55xx block data (page 0)"},\r
- {"rdpwd", CmdReadBlkPWD, 0, "<block> <password> -- Read T55xx block data with password mode"},\r
- {"wr", CmdWriteBlk, 0, "<data> <block> -- Write T55xx block data (page 0)"},\r
- {"wrpwd", CmdWriteBlkPWD, 0, "<data> <block> <password> -- Write T55xx block data with password"},\r
- {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "},\r
- {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page0 /blk 0)"},\r
- {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"},\r
- {"fsk", CmdIceFsk, 0, "FSK demod"},\r
+ {"rd", CmdReadBlk, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
+ {"wr", 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
{"man", CmdIceManchester, 0, "Manchester demod (with SST)"},\r
{NULL, NULL, 0, NULL}\r
};\r
projects / proxmark3-svn / blobdiff