\r
\r
#define LF_TRACE_BUFF_SIZE 12000 // 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
\r
int CmdReadBlk(const char *Cmd)\r
{\r
- int Block = -1;\r
+ int block = -1;\r
+ sscanf(Cmd, "%d", &block);\r
\r
- sscanf(Cmd, "%d", &Block);\r
-\r
- if ((Block > 7) | (Block < 0)) {\r
+ if ((block > 7) | (block < 0)) {\r
PrintAndLog("Block must be between 0 and 7");\r
return 1;\r
} \r
\r
- // this command fills up BigBuff\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[1] = block;\r
c.arg[2] = 0;\r
SendCommand(&c);\r
WaitForResponse(CMD_ACK, NULL);\r
GraphBuffer[j] = (int)data[j];\r
}\r
GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
- ManchesterDemod(Block);\r
+ ManchesterDemod(block);\r
RepaintGraphWindow();\r
return 0;\r
}\r
WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
\r
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
- GraphBuffer[j] = ((int)data[j]) - 128;\r
+ GraphBuffer[j] = ((int)data[j]);\r
}\r
GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
ManchesterDemod(Block); \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
+ PrintAndLog(" sample: lf t55xx trace");\r
+ PrintAndLog(" sample: lf t55xx trace 1");\r
return 0;\r
}\r
\r
GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
}\r
\r
- uint8_t bits[1000] = {0x00};\r
+ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
uint8_t * bitstream = bits;\r
\r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream);\r
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);\r
RepaintGraphWindow();\r
\r
uint8_t si = 5;\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
+ PrintAndLog(" sample: lf t55xx info");\r
+ PrintAndLog(" sample: lf t55xx info 1");\r
return 0;\r
}\r
\r
if ( strlen(Cmd)==0){\r
CmdReadBlk("0");\r
- }\r
- \r
+ } \r
\r
- uint8_t bits[1000] = {0x00};\r
+ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
uint8_t * bitstream = bits;\r
\r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream);\r
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);\r
\r
uint8_t si = 5;\r
uint32_t bl0 = PackBits(si, 32, bitstream);\r
char cmdp = param_getchar(Cmd, 0);\r
char s[20];\r
uint8_t pwd[4] = {0x00};\r
- \r
- if (strlen(Cmd)>1 || cmdp == 'h' || cmdp == 'H') {\r
+ bool hasPwd = ( strlen(Cmd) > 0);\r
+ \r
+ if ( cmdp == 'h' || cmdp == 'H') {\r
PrintAndLog("Usage: lf t55xx dump <password>");\r
PrintAndLog(" sample: lf t55xx dump FFFFFFFF");\r
return 0;\r
}\r
-\r
- bool hasPwd = ( strlen(Cmd) > 0);\r
\r
if ( hasPwd ){\r
- if (param_gethex(Cmd, 0, pwd, 4)) {\r
- PrintAndLog("password must include 4 HEX symbols");\r
+ if (param_gethex(Cmd, 0, pwd, 8)) {\r
+ PrintAndLog("password must include 8 HEX symbols");\r
return 0;\r
}\r
}\r
-\r
+ \r
for ( int i = 0; i <8; ++i){\r
- *s = 0;\r
+ memset(s,0,sizeof(s));\r
if ( hasPwd ) {\r
- sprintf(s,"%d %d", i, pwd);\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
}\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
ManchesterDemod( -1);\r
return 0;\r
}\r
-int ManchesterDemod(int block){\r
+int ManchesterDemod(int blockNum){\r
\r
- int blockNum = -1;\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[1000] = {0x00};\r
+ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
uint8_t * bitstream = bits;\r
\r
- manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); \r
- blockData = PackBits(5, 32, bitstream);\r
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); \r
+ blockData = PackBits(offset, sizebyte, bitstream);\r
\r
- if ( blockNum > -1){\r
- PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+5,32) );\r
- }else{\r
- PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+5,32) );\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
{"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
+ {"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 with password"},\r
{"fsk", CmdIceFsk, 0, "FSK demod"},\r
{"man", CmdIceManchester, 0, "Manchester demod (with SST)"},\r
projects / proxmark3-svn / blobdiff