#include "cmddata.h"\r
#include "cmdlf.h"\r
#include "cmdlft55xx.h"\r
+#include "util.h"\r
+#include "data.h"\r
+#include "lfdemod.h"\r
\r
- \r
-static int CmdHelp(const char *Cmd);\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 CmdReadBlk(const char *Cmd)\r
- // {\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
- \r
- // uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
- \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
- // GraphBuffer[j] = (int)data[j];\r
- // }\r
- // GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
- // ManchesterDemod(block);\r
- // RepaintGraphWindow();\r
- // return 0;\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 Block = 8; //default to invalid block\r
- UsbCommand c;\r
+ int invert = 0;\r
+ int clk = 0;\r
+ int block = -1;\r
++ int password = 0xFFFFFFFF; //default to blank Block 7\r
+ int errCnt;\r
+ size_t bitlen;\r
- //int decodedBitlen;\r
++ int maxErr = 100;\r
++ uint8_t askAmp = 0;\r
+ uint32_t blockData;\r
+ uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
+ \r
- sscanf(Cmd, "%d", &block);\r
+ \r
- if ((block > 7) | (block < 0)) {\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", &Block);\r
++ int res = sscanf(Cmd, "%d %x", &block, &password);\r
+ \r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \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 block %d", Block);\r
++ UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
++ c.d.asBytes[0] = 0x0; \r
+ \r
- c.cmd = CMD_T55XX_READ_BLOCK;\r
- c.d.asBytes[0] = 0x0; //Normal mode\r
- c.arg[0] = 0;\r
- c.arg[1] = Block;\r
- c.arg[2] = 0;\r
- SendCommand(&c);\r
- return 0;\r
-}\r
++ //Password mode\r
++ if ( res == 2 ) {\r
++ c.arg[2] = password;\r
++ c.d.asBytes[0] = 0x1; \r
+ }\r
\r
- UsbCommand c = { CMD_T55XX_READ_BLOCK, { 0, block, 0 } };\r
-int CmdReadBlkPWD(const char *Cmd)\r
-{\r
- int Block = 8; //default to invalid block\r
- int Password = 0xFFFFFFFF; //default to blank Block 7\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, "%d %x", &Block, &Password);\r
+ bitlen = getFromGraphBuf(bits);\r
+ \r
- errCnt = askrawdemod(bits, &bitlen, &clk, &invert);\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("Reading block %d with password %08X", Block, Password);\r
+ blockData = PackBits(0, 32, bits);\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
- 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 CmdReadBlkPWD(const char *Cmd)\r
+ int CmdWriteBlk(const char *Cmd)\r
{\r
- int Block = -1; //default to invalid block\r
- int Password = 0xFFFFFFFF; //default to blank Block 7\r
- \r
- \r
- sscanf(Cmd, "%d %x", &Block, &Password);\r
- int Block = 8; //default to invalid block\r
- int Data = 0xFFFFFFFF; //default to blank Block \r
- UsbCommand c;\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) | (Block < 0)) {\r
- sscanf(Cmd, "%x %d", &Data, &Block);\r
++ if (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
- UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, Block, Password} };\r
- c.d.asBytes[0] = 0x1; //Password mode\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,0);\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
- ManchesterDemod(Block); \r
- \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
- \r
- sscanf(Cmd, "%d %x", &Block, &Data);\r
- \r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
- \r
- PrintAndLog("Writing block %d data %08X", Block, Data);\r
- \r
- UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {Data, Block, 0}};\r
- c.d.asBytes[0] = 0x0; //Normal mode\r
- SendCommand(&c);\r
- return 0;\r
- }\r
- \r
- int CmdWriteBlkPWD(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
- \r
- \r
- sscanf(Cmd, "%d %x %x",&Block, &Data, &Password);\r
- \r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\r
- } \r
- \r
- PrintAndLog("Writing block %d data %08X password %08X", Block, Data, Password);\r
- \r
- UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {Data, Block, Password}};\r
- c.d.asBytes[0] = 0x1; //Password mode\r
- SendCommand(&c);\r
- return 0;\r
++ \r
++ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
++ c.d.asBytes[0] = 0x0; \r
+ \r
- if (Block > 7) {\r
- PrintAndLog("Block must be between 0 and 7");\r
- return 1;\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
+{\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(" : 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
- PrintAndLog("Writting block %d with data %08X", Block, Data);\r
+ uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\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
+ 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
+ GraphBuffer[j] = ((int)data[j]);\r
+ }\r
+ GraphTraceLen = LF_TRACE_BUFF_SIZE;\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
+ RepaintGraphWindow();\r
+\r
+ uint8_t si = 5;\r
+ uint32_t bl0 = PackBits(si, 32, bitstream);\r
+ uint32_t bl1 = PackBits(si+32, 32, bitstream);\r
+ \r
+ uint32_t acl = PackBits(si, 8, bitstream); si += 8;\r
+ uint32_t mfc = PackBits(si, 8, bitstream); si += 8;\r
+ uint32_t cid = PackBits(si, 5, bitstream); si += 5;\r
+ uint32_t icr = PackBits(si, 3, bitstream); si += 3;\r
+ uint32_t year = PackBits(si, 4, bitstream); si += 4;\r
+ uint32_t quarter = PackBits(si, 2, bitstream); si += 2;\r
+ uint32_t lotid = PackBits(si, 12, bitstream); si += 12;\r
+ uint32_t wafer = PackBits(si, 5, bitstream); si += 5;\r
+ uint32_t dw = PackBits(si, 15, bitstream); \r
+ \r
+ PrintAndLog("");\r
+ PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);\r
+ PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc);\r
+ PrintAndLog(" CID : 0x%02X (%d)", cid, cid);\r
+ PrintAndLog(" ICR IC Revision : %d",icr );\r
+ PrintAndLog(" Manufactured");\r
+ PrintAndLog(" Year/Quarter : %d/%d",2000+year, quarter );\r
+ PrintAndLog(" Lot ID : %d", lotid );\r
+ PrintAndLog(" Wafer number : %d", wafer);\r
+ PrintAndLog(" Die Number : %d", dw);\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" Raw Data - Page 1");\r
+ PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) );\r
+ PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bitstream+37,32) );\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ /*\r
+ TRACE - BLOCK O\r
+ Bits Definition HEX\r
+ 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 \r
+ 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation\r
+ 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 \r
+ 22-24 ICR IC revision\r
+ 25-28 YEAR (BCD encoded) 9 (= 2009)\r
+ 29-30 QUARTER 1,2,3,4 \r
+ 31-32 LOT ID\r
+ \r
+ TRACE - BLOCK 1\r
+ 1-12 LOT ID \r
+ 13-17 Wafer number\r
+ 18-32 DW, die number sequential\r
+ */\r
+ \r
return 0;\r
}\r
\r
-int CmdWriteBlkPWD(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 CmdInfo(const char *Cmd){\r
+ /*\r
+ Page 0 Block 0 Configuration data.\r
+ Normal mode\r
+ Extended mode\r
+ */\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
+\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, 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 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 & Tag Information --------------------");\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ PrintAndLog(" Safer key : %s", GetSaferStr(safer));\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(" 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(" Inverse data : %s", (inv) ? "Yes":"No");\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(bits+5,32) );\r
+ PrintAndLog("-------------------------------------------------------------");\r
+ \r
+ return 0;\r
}\r
\r
-int CmdReadTrace(const char *Cmd)\r
-{\r
+int CmdDump(const char *Cmd){\r
\r
- char cmdp = param_getchar(Cmd, 0);\r
- char s[20];\r
- PrintAndLog("Reading traceability data");\r
++ char s[20] = {0x00};\r
+ uint8_t pwd[4] = {0x00};\r
- bool hasPwd = ( strlen(Cmd) > 0);\r
- \r
+ \r
- UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};\r
- SendCommand(&c);\r
- return 0;\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, 8)) {\r
+ PrintAndLog("password must include 8 HEX symbols");\r
+ return 1;\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
+\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
+ switch (id){\r
+ case 0: \r
+ sprintf(retStr,"%d - RF/8",id);\r
+ break;\r
+ case 1:\r
+ sprintf(retStr,"%d - RF/16",id);\r
+ break;\r
+ case 2: \r
+ sprintf(retStr,"%d - RF/32",id);\r
+ break;\r
+ case 3:\r
+ sprintf(retStr,"%d - RF/40",id);\r
+ break;\r
+ case 4:\r
+ sprintf(retStr,"%d - RF/50",id);\r
+ break;\r
+ case 5:\r
+ sprintf(retStr,"%d - RF/64",id);\r
+ break;\r
+ case 6:\r
+ sprintf(retStr,"%d - RF/100",id);\r
+ break;\r
+ case 7:\r
+ sprintf(retStr,"%d - RF/128",id);\r
+ break;\r
+ default:\r
+ sprintf(retStr,"%d - (Unknown)",id);\r
+ break;\r
+ }\r
+\r
+ return buf;\r
+}\r
+\r
+char * GetSaferStr(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
+ }\r
+ if (id == 9 ){\r
+ sprintf(retStr,"%d - testmode ",id);\r
+ }\r
+ \r
+ return buf;\r
+}\r
+char * GetModulationStr( uint32_t id){\r
+ static char buf[40];\r
+ char *retStr = buf;\r
+ \r
+ switch (id){\r
+ case 0: \r
+ sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);\r
+ break;\r
+ case 1:\r
+ sprintf(retStr,"%d - PSK 1 phase change when input changes",id);\r
+ break;\r
+ case 2: \r
+ sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);\r
+ break;\r
+ case 3:\r
+ sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);\r
+ break;\r
+ case 4:\r
+ sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);\r
+ break;\r
+ case 5:\r
+ sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);\r
+ break;\r
+ case 6:\r
+ sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);\r
+ break;\r
+ case 7:\r
+ sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);\r
+ break;\r
+ case 8:\r
+ sprintf(retStr,"%d - Manschester",id);\r
+ break;\r
+ case 16:\r
+ sprintf(retStr,"%d - Biphase",id);\r
+ break;\r
+ case 17:\r
+ sprintf(retStr,"%d - Reserved",id);\r
+ break;\r
+ default:\r
+ sprintf(retStr,"0x%02X (Unknown)",id);\r
+ break;\r
+ }\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
+ 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
+ }\r
+ return tmp;\r
}\r
\r
static command_t CommandTable[] =\r
{\r
- {"help", CmdHelp, 1, "This help"},\r
- {"readblock", CmdReadBlk, 1, "<Block> -- Read T55xx block data (page 0)"},\r
- {"readblockPWD", CmdReadBlkPWD, 1, "<Block> <Password> -- Read T55xx block data in password mode(page 0)"},\r
- {"writeblock", CmdWriteBlk, 1, "<Data> <Block> -- Write T55xx block data (page 0)"},\r
- {"writeblockPWD", CmdWriteBlkPWD, 1, "<Data> <Block> <Password> -- Write T55xx block data in password mode(page 0)"},\r
- {"readtrace", CmdReadTrace, 1, "Read T55xx traceability data (page 1)"},\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, "<block> <data> -- Write T55xx block data (page 0)"},\r
- {"wrpwd", CmdWriteBlkPWD, 0, "<block> <password> <data> -- Write T55xx block data with password"},\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 with password"},\r
- //{"fsk", CmdIceFsk, 0, "FSK demod"},\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
\r
{
logfilename = fn;
}
- clock = GetClock("",0, 0);
+
+int manchester_decode( int * data, const size_t len, uint8_t * dataout, size_t dataoutlen){
+
+ int bitlength = 0;
+ int clock, high, low, startindex;
+ low = startindex = 0;
+ high = 1;
+ uint8_t * bitStream = (uint8_t* ) malloc(sizeof(uint8_t) * dataoutlen);
+ memset(bitStream, 0x00, dataoutlen);
+
+ /* Detect high and lows */
+ DetectHighLowInGraph(&high, &low, TRUE);
+
+ /* get clock */
++ clock = GetAskClock("",false, false);
+
+ startindex = DetectFirstTransition(data, len, high);
+
+ if (high != 1)
+ // decode "raw"
+ bitlength = ManchesterConvertFrom255(data, len, bitStream, dataoutlen, high, low, clock, startindex);
+ else
+ // decode manchester
+ bitlength = ManchesterConvertFrom1(data, len, bitStream, dataoutlen, clock, startindex);
+
+ memcpy(dataout, bitStream, bitlength);
+ free(bitStream);
+ return bitlength;
+}
+
+ int DetectFirstTransition(const int * data, const size_t len, int threshold){
+
+ int i = 0;
+ /* now look for the first threshold */
+ for (; i < len; ++i) {
+ if (data[i] == threshold) {
+ break;
+ }
+ }
+ return i;
+ }
+
+ int ManchesterConvertFrom255(const int * data, const size_t len, uint8_t * dataout, int dataoutlen, int high, int low, int clock, int startIndex){
+
+ int i, j, z, hithigh, hitlow, bitIndex, startType;
+ i = 0;
+ bitIndex = 0;
+
+ int isDamp = 0;
+ int damplimit = (int)((high / 2) * 0.3);
+ int dampHi = (high/2)+damplimit;
+ int dampLow = (high/2)-damplimit;
+ int firstST = 0;
+
+ // i = clock frame of data
+ for (; i < (int)(len/clock); i++)
+ {
+ hithigh = 0;
+ hitlow = 0;
+ startType = -1;
+ z = startIndex + (i*clock);
+ isDamp = 0;
+
+ /* Find out if we hit both high and low peaks */
+ for (j = 0; j < clock; j++)
+ {
+ if (data[z+j] == high){
+ hithigh = 1;
+ if ( startType == -1)
+ startType = 1;
+ }
+
+ if (data[z+j] == low ){
+ hitlow = 1;
+ if ( startType == -1)
+ startType = 0;
+ }
+
+ if (hithigh && hitlow)
+ break;
+ }
+
+ // No high value found, are we in a dampening field?
+ if ( !hithigh ) {
+ //PrintAndLog(" # Entering damp test at index : %d (%d)", z+j, j);
+ for (j = 0; j < clock; j++) {
+ if (
+ (data[z+j] <= dampHi && data[z+j] >= dampLow)
+ ){
+ isDamp++;
+ }
+ }
+ }
+
+ /* Manchester Switching..
+ 0: High -> Low
+ 1: Low -> High
+ */
+ if (startType == 0)
+ dataout[bitIndex++] = 1;
+ else if (startType == 1)
+ dataout[bitIndex++] = 0;
+ else
+ dataout[bitIndex++] = 2;
+
+ if ( isDamp > clock/2 ) {
+ firstST++;
+ }
+
+ if ( firstST == 4)
+ break;
+ if ( bitIndex >= dataoutlen-1 )
+ break;
+ }
+ return bitIndex;
+ }
+
+ int ManchesterConvertFrom1(const int * data, const size_t len, uint8_t * dataout,int dataoutlen, int clock, int startIndex){
+
+ int i,j, bitindex, lc, tolerance, warnings;
+ warnings = 0;
+ int upperlimit = len*2/clock+8;
+ i = startIndex;
+ j = 0;
+ tolerance = clock/4;
+ uint8_t decodedArr[len];
+
+ /* Detect duration between 2 successive transitions */
+ for (bitindex = 1; i < len; i++) {
+
+ if (data[i-1] != data[i]) {
+ lc = i - startIndex;
+ startIndex = i;
+
+ // Error check: if bitindex becomes too large, we do not
+ // have a Manchester encoded bitstream or the clock is really wrong!
+ if (bitindex > upperlimit ) {
+ PrintAndLog("Error: the clock you gave is probably wrong, aborting.");
+ return 0;
+ }
+ // Then switch depending on lc length:
+ // Tolerance is 1/4 of clock rate (arbitrary)
+ if (abs((lc-clock)/2) < tolerance) {
+ // Short pulse : either "1" or "0"
+ decodedArr[bitindex++] = data[i-1];
+ } else if (abs(lc-clock) < tolerance) {
+ // Long pulse: either "11" or "00"
+ decodedArr[bitindex++] = data[i-1];
+ decodedArr[bitindex++] = data[i-1];
+ } else {
+ ++warnings;
+ PrintAndLog("Warning: Manchester decode error for pulse width detection.");
+ if (warnings > 10) {
+ PrintAndLog("Error: too many detection errors, aborting.");
+ return 0;
+ }
+ }
+ }
+ }
+
+ /*
+ * We have a decodedArr of "01" ("1") or "10" ("0")
+ * parse it into final decoded dataout
+ */
+ for (i = 0; i < bitindex; i += 2) {
+
+ if ((decodedArr[i] == 0) && (decodedArr[i+1] == 1)) {
+ dataout[j++] = 1;
+ } else if ((decodedArr[i] == 1) && (decodedArr[i+1] == 0)) {
+ dataout[j++] = 0;
+ } else {
+ i++;
+ warnings++;
+ PrintAndLog("Unsynchronized, resync...");
+ PrintAndLog("(too many of those messages mean the stream is not Manchester encoded)");
+
+ if (warnings > 10) {
+ PrintAndLog("Error: too many decode errors, aborting.");
+ return 0;
+ }
+ }
+ }
+
+ PrintAndLog("%s", sprint_hex(dataout, j));
+ return j;
+ }
+
+ void ManchesterDiffDecodedString(const uint8_t* bitstream, size_t len, uint8_t invert){
+ /*
+ * We have a bitstream of "01" ("1") or "10" ("0")
+ * parse it into final decoded bitstream
+ */
+ int i, j, warnings;
+ uint8_t decodedArr[(len/2)+1];
+
+ j = warnings = 0;
+
+ uint8_t lastbit = 0;
+
+ for (i = 0; i < len; i += 2) {
+
+ uint8_t first = bitstream[i];
+ uint8_t second = bitstream[i+1];
+
+ if ( first == second ) {
+ ++i;
+ ++warnings;
+ if (warnings > 10) {
+ PrintAndLog("Error: too many decode errors, aborting.");
+ return;
+ }
+ }
+ else if ( lastbit != first ) {
+ decodedArr[j++] = 0 ^ invert;
+ }
+ else {
+ decodedArr[j++] = 1 ^ invert;
+ }
+ lastbit = second;
+ }
+
+ PrintAndLog("%s", sprint_hex(decodedArr, j));
+}
+
+void PrintPaddedManchester( uint8_t* bitStream, size_t len, size_t blocksize){
+
+ PrintAndLog(" Manchester decoded : %d bits", len);
+
+ uint8_t mod = len % blocksize;
+ uint8_t div = len / blocksize;
+ int i;
+
+ // Now output the bitstream to the scrollback by line of 16 bits
+ for (i = 0; i < div*blocksize; i+=blocksize) {
+ PrintAndLog(" %s", sprint_bin(bitStream+i,blocksize) );
+ }
+
+ if ( mod > 0 )
+ PrintAndLog(" %s", sprint_bin(bitStream+i, mod) );
+}
+
+/* Sliding DFT
+ Smooths out
+*/
+void iceFsk2(int * data, const size_t len){
+
+ int i, j;
+ int * output = (int* ) malloc(sizeof(int) * len);
+ memset(output, 0x00, len);
+
+ // for (i=0; i<len-5; ++i){
+ // for ( j=1; j <=5; ++j) {
+ // output[i] += data[i*j];
+ // }
+ // output[i] /= 5;
+ // }
+ int rest = 127;
+ int tmp =0;
+ for (i=0; i<len; ++i){
+ if ( data[i] < 127)
+ output[i] = 0;
+ else {
+ tmp = (100 * (data[i]-rest)) / rest;
+ output[i] = (tmp > 60)? 100:0;
+ }
+ }
+
+ for (j=0; j<len; ++j)
+ data[j] = output[j];
+
+ free(output);
+}
+
+void iceFsk3(int * data, const size_t len){
+
+ int i,j;
+
+ int * output = (int* ) malloc(sizeof(int) * len);
+ memset(output, 0x00, len);
+ float fc = 0.1125f; // center frequency
+ size_t adjustedLen = len;
+
+ // create very simple low-pass filter to remove images (2nd-order Butterworth)
+ float complex iir_buf[3] = {0,0,0};
+ float b[3] = {0.003621681514929, 0.007243363029857, 0.003621681514929};
+ float a[3] = {1.000000000000000, -1.822694925196308, 0.837181651256023};
+
+ float sample = 0; // input sample read from file
+ float complex x_prime = 1.0f; // save sample for estimating frequency
+ float complex x;
+
+ for (i=0; i<adjustedLen; ++i) {
+
+ sample = data[i]+128;
+
+ // remove DC offset and mix to complex baseband
+ x = (sample - 127.5f) * cexpf( _Complex_I * 2 * M_PI * fc * i );
+
+ // apply low-pass filter, removing spectral image (IIR using direct-form II)
+ iir_buf[2] = iir_buf[1];
+ iir_buf[1] = iir_buf[0];
+ iir_buf[0] = x - a[1]*iir_buf[1] - a[2]*iir_buf[2];
+ x = b[0]*iir_buf[0] +
+ b[1]*iir_buf[1] +
+ b[2]*iir_buf[2];
+
+ // compute instantaneous frequency by looking at phase difference
+ // between adjacent samples
+ float freq = cargf(x*conjf(x_prime));
+ x_prime = x; // retain this sample for next iteration
+
+ output[i] =(freq > 0)? 10 : -10;
+ }
+
+ // show data
+ for (j=0; j<adjustedLen; ++j)
+ data[j] = output[j];
+
+ CmdLtrim("30");
+ adjustedLen -= 30;
+
+ // zero crossings.
+ for (j=0; j<adjustedLen; ++j){
+ if ( data[j] == 10) break;
+ }
+ int startOne =j;
+
+ for (;j<adjustedLen; ++j){
+ if ( data[j] == -10 ) break;
+ }
+ int stopOne = j-1;
+
+ int fieldlen = stopOne-startOne;
+
+ fieldlen = (fieldlen == 39 || fieldlen == 41)? 40 : fieldlen;
+ fieldlen = (fieldlen == 59 || fieldlen == 51)? 50 : fieldlen;
+ if ( fieldlen != 40 && fieldlen != 50){
+ printf("Detected field Length: %d \n", fieldlen);
+ printf("Can only handle 40 or 50. Aborting...\n");
+ return;
+ }
+
+ // FSK sequence start == 000111
+ int startPos = 0;
+ for (i =0; i<adjustedLen; ++i){
+ int dec = 0;
+ for ( j = 0; j < 6*fieldlen; ++j){
+ dec += data[i + j];
+ }
+ if (dec == 0) {
+ startPos = i;
+ break;
+ }
+ }
+
+ printf("000111 position: %d \n", startPos);
+
+ startPos += 6*fieldlen+5;
+
+ int bit =0;
+ printf("BINARY\n");
+ printf("R/40 : ");
+ for (i =startPos ; i < adjustedLen; i += 40){
+ bit = data[i]>0 ? 1:0;
+ printf("%d", bit );
+ }
+ printf("\n");
+
+ printf("R/50 : ");
+ for (i =startPos ; i < adjustedLen; i += 50){
+ bit = data[i]>0 ? 1:0;
+ printf("%d", bit ); }
+ printf("\n");
+
+ free(output);
+}
+
+float complex cexpf (float complex Z)
+{
+ float complex Res;
+ double rho = exp (__real__ Z);
+ __real__ Res = rho * cosf(__imag__ Z);
+ __imag__ Res = rho * sinf(__imag__ Z);
+ return Res;
+}
projects / proxmark3-svn / commitdiff