X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/149aeadaa609b01db86ba3b4ee23b317f16bede5..0a43c39617c54bec85fd9220544e7d2bdfc325d1:/client/cmdlft55xx.c?ds=sidebyside diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 31261a4f..1e2f7837 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -22,16 +22,16 @@ #include "data.h" -#define LF_TRACE_BUFF_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) +#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) +#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits = static int CmdHelp(const char *Cmd); - int CmdReadBlk(const char *Cmd) { - int Block = -1; - sscanf(Cmd, "%d", &Block); + int block = -1; + sscanf(Cmd, "%d", &block); - if ((Block > 7) | (Block < 0)) { + if ((block > 7) | (block < 0)) { PrintAndLog("Block must be between 0 and 7"); return 1; } @@ -40,23 +40,22 @@ int CmdReadBlk(const char *Cmd) c.cmd = CMD_T55XX_READ_BLOCK; c.d.asBytes[0] = 0x00; c.arg[0] = 0; - c.arg[1] = Block; + c.arg[1] = block; c.arg[2] = 0; SendCommand(&c); WaitForResponse(CMD_ACK, NULL); -// uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; + uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - // GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - // WaitForResponseTimeout(CMD_ACK,NULL, 1500); - - // for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - // GraphBuffer[j] = (int)data[j]; - // } - // GraphTraceLen = LF_TRACE_BUFF_SIZE; - CmdSamples("12000"); - ManchesterDemod(Block); - // RepaintGraphWindow(); + GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset.. + WaitForResponseTimeout(CMD_ACK,NULL, 1500); + + for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { + GraphBuffer[j] = (int)data[j]; + } + GraphTraceLen = LF_TRACE_BUFF_SIZE; + ManchesterDemod(block); + RepaintGraphWindow(); return 0; } @@ -85,7 +84,7 @@ int CmdReadBlkPWD(const char *Cmd) uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. + GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset.. WaitForResponseTimeout(CMD_ACK,NULL, 1500); for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { @@ -166,7 +165,7 @@ int CmdReadTrace(const char *Cmd) uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. + GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset.. WaitForResponseTimeout(CMD_ACK,NULL, 1500); for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { @@ -175,10 +174,10 @@ int CmdReadTrace(const char *Cmd) GraphTraceLen = LF_TRACE_BUFF_SIZE; } - uint8_t bits[1000] = {0x00}; + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); RepaintGraphWindow(); uint8_t si = 5; @@ -249,35 +248,34 @@ int CmdInfo(const char *Cmd){ return 0; } - if ( strlen(Cmd)==0){ + if ( strlen(Cmd) == 0 ){ CmdReadBlk("0"); } - uint8_t bits[1000] = {0x00}; - uint8_t * bitstream = bits; - - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; + + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); uint8_t si = 5; - uint32_t bl0 = PackBits(si, 32, bitstream); + uint32_t bl0 = PackBits(si, 32, bits); - uint32_t safer = PackBits(si, 4, bitstream); si += 4; - uint32_t resv = PackBits(si, 7, bitstream); si += 7; - uint32_t dbr = PackBits(si, 3, bitstream); si += 3; - uint32_t extend = PackBits(si, 1, bitstream); si += 1; - uint32_t datamodulation = PackBits(si, 5, bitstream); si += 5; - uint32_t pskcf = PackBits(si, 2, bitstream); si += 2; - uint32_t aor = PackBits(si, 1, bitstream); si += 1; - uint32_t otp = PackBits(si, 1, bitstream); si += 1; - uint32_t maxblk = PackBits(si, 3, bitstream); si += 3; - uint32_t pwd = PackBits(si, 1, bitstream); si += 1; - uint32_t sst = PackBits(si, 1, bitstream); si += 1; - uint32_t fw = PackBits(si, 1, bitstream); si += 1; - uint32_t inv = PackBits(si, 1, bitstream); si += 1; - uint32_t por = PackBits(si, 1, bitstream); si += 1; + uint32_t safer = PackBits(si, 4, bits); si += 4; + uint32_t resv = PackBits(si, 7, bits); si += 7; + uint32_t dbr = PackBits(si, 3, bits); si += 3; + uint32_t extend = PackBits(si, 1, bits); si += 1; + uint32_t datamodulation = PackBits(si, 5, bits); si += 5; + uint32_t pskcf = PackBits(si, 2, bits); si += 2; + uint32_t aor = PackBits(si, 1, bits); si += 1; + uint32_t otp = PackBits(si, 1, bits); si += 1; + uint32_t maxblk = PackBits(si, 3, bits); si += 3; + uint32_t pwd = PackBits(si, 1, bits); si += 1; + uint32_t sst = PackBits(si, 1, bits); si += 1; + uint32_t fw = PackBits(si, 1, bits); si += 1; + uint32_t inv = PackBits(si, 1, bits); si += 1; + uint32_t por = PackBits(si, 1, bits); si += 1; PrintAndLog(""); - PrintAndLog("-- T55xx Configuration --------------------------------------"); + PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Safer key : %s", GetSaferStr(safer)); PrintAndLog(" reserved : %d", resv); @@ -295,7 +293,7 @@ int CmdInfo(const char *Cmd){ PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" Raw Data - Page 0"); - PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) ); + PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) ); PrintAndLog("-------------------------------------------------------------"); return 0; @@ -315,16 +313,16 @@ int CmdDump(const char *Cmd){ } if ( hasPwd ){ - if (param_gethex(Cmd, 0, pwd, 4)) { - PrintAndLog("password must include 4 HEX symbols"); + if (param_gethex(Cmd, 0, pwd, 8)) { + PrintAndLog("password must include 8 HEX symbols"); return 0; } } - + for ( int i = 0; i <8; ++i){ memset(s,0,sizeof(s)); if ( hasPwd ) { - sprintf(s,"%d %s", i, sprint_hex(pwd,4)); + sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]); CmdReadBlkPWD(s); } else { sprintf(s,"%d", i); @@ -335,6 +333,9 @@ int CmdDump(const char *Cmd){ } int CmdIceFsk(const char *Cmd){ + + if (!HasGraphData()) return 0; + iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE); RepaintGraphWindow(); return 0; @@ -343,17 +344,21 @@ int CmdIceManchester(const char *Cmd){ ManchesterDemod( -1); return 0; } -int ManchesterDemod(int block){ +int ManchesterDemod(int blockNum){ - int blockNum = -1; + if (!HasGraphData()) return 0; + uint8_t sizebyte = 32; + // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip. uint8_t offset = 5; uint32_t blockData; - uint8_t bits[1000] = {0x00}; + uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; uint8_t * bitstream = bits; - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); - blockData = PackBits(offset, sizebyte, bitstream); + //manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); + manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); + //blockData = PackBits(offset, sizebyte, bitstream); + blockData = PackBits(offset, sizebyte, bits); if ( blockNum < 0) PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) ); @@ -463,6 +468,9 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ int i = start; int j = len-1; + if (len > 32) { + return 0; + } uint32_t tmp = 0; for (; j >= 0; --j, ++i){ tmp |= bits[i] << j; @@ -477,8 +485,8 @@ static command_t CommandTable[] = {"rdpwd", CmdReadBlkPWD, 0, " -- Read T55xx block data with password mode"}, {"wr", CmdWriteBlk, 0, " -- Write T55xx block data (page 0)"}, {"wrpwd", CmdWriteBlkPWD, 0, " -- Write T55xx block data with password"}, - {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "}, - {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page0 /blk 0)"}, + {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"}, + {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"}, {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"}, {"fsk", CmdIceFsk, 0, "FSK demod"}, {"man", CmdIceManchester, 0, "Manchester demod (with SST)"},