git.zerfleddert.de Git - proxmark3-svn/blobdiff

#include "mifare/mad.h"\r

#include "mifare/ndef.h"\r

#include "emv/dump.h"\r

#include "mifare/mad.h"\r

#include "mifare/ndef.h"\r

#include "emv/dump.h"\r

+#include "protocols.h"\r

\r

#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up\r

\r

#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up\r

\r

PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

PrintAndLog("--data: %s", sprint_hex(bldata, 16));\r

\r

PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

PrintAndLog("--data: %s", sprint_hex(bldata, 16));\r

\r

- UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};\r

+ UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};\r

memcpy(c.d.asBytes, key, 6);\r

memcpy(c.d.asBytes + 10, bldata, 16);\r

memcpy(c.d.asBytes, key, 6);\r

memcpy(c.d.asBytes + 10, bldata, 16);\r

- SendCommand(&c);\r

+ SendCommand(&c);\r

\r

UsbCommand resp;\r

if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r

\r

UsbCommand resp;\r

if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r

}\r

PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

\r

}\r

PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

\r

- UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};\r

+ UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};\r

memcpy(c.d.asBytes, key, 6);\r

- SendCommand(&c);\r

+ SendCommand(&c);\r

\r

UsbCommand resp;\r

if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r

\r

UsbCommand resp;\r

if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r

return 2;\r

}\r

\r

return 2;\r

}\r

\r

- return 0;\r

+ return 0;\r

}\r

\r

int CmdHF14AMfRdSc(const char *Cmd)\r

}\r

\r

int CmdHF14AMfRdSc(const char *Cmd)\r

PrintAndLog("Command execute timeout");\r

}\r

\r

PrintAndLog("Command execute timeout");\r

}\r

\r

- return 0;\r

+ return 0;\r

}\r

\r

uint8_t FirstBlockOfSector(uint8_t sectorNo)\r

}\r

\r

uint8_t FirstBlockOfSector(uint8_t sectorNo)\r

// Nested\r

//----------------------------------------------\r

\r

// Nested\r

//----------------------------------------------\r

\r

-static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {\r

+static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint16_t *timeout) {\r

char ctmp3[4] = {0};\r

int len = param_getlength(Cmd, indx);\r

if (len > 0 && len < 4){\r

char ctmp3[4] = {0};\r

int len = param_getlength(Cmd, indx);\r

if (len > 0 && len < 4){\r

\r

// slow and very slow\r

if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {\r

\r

// slow and very slow\r

if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {\r

- *timeout = 11; // slow\r

+ *timeout = MF_CHKKEYS_SLOWTIMEOUT; // slow\r

\r

if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r

\r

if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r

- *timeout = 53; // very slow\r

+ *timeout = MF_CHKKEYS_VERYSLOWTIMEOUT; // very slow\r

}\r

if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r

}\r

if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r

- *timeout = 53; // very slow\r

+ *timeout = MF_CHKKEYS_VERYSLOWTIMEOUT; // very slow\r

}\r

\r

}\r

\r

-int CmdHF14AMfNested(const char *Cmd)\r

-{\r

+int CmdHF14AMfNested(const char *Cmd) {\r

int i, j, res, iterations;\r

sector_t *e_sector = NULL;\r

uint8_t blockNo = 0;\r

int i, j, res, iterations;\r

sector_t *e_sector = NULL;\r

uint8_t blockNo = 0;\r

uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r

uint8_t keyBlock[MifareDefaultKeysSize * 6];\r

uint64_t key64 = 0;\r

uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r

uint8_t keyBlock[MifareDefaultKeysSize * 6];\r

uint64_t key64 = 0;\r

- // timeout in units. (ms * 106)/10 or us*0.0106\r

- uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r

+ // timeout in units. (ms * 106) or us*0.106\r

+ uint16_t timeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r

\r

bool autosearchKey = false;\r

\r

bool autosearchKey = false;\r

\r

if (param_getchar(Cmd, 1) == '*') {\r

autosearchKey = true;\r

\r

if (param_getchar(Cmd, 1) == '*') {\r

autosearchKey = true;\r

\r

- parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r

+ parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &timeout14a);\r

\r

PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us",\r

\r

PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us",\r

- SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r

+ SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((uint32_t)timeout14a * 1000) / 106);\r

} else {\r

blockNo = param_get8(Cmd, 1);\r

\r

} else {\r

blockNo = param_get8(Cmd, 1);\r

\r

}\r

\r

// check if we can authenticate to sector\r

}\r

\r

// check if we can authenticate to sector\r

- res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);\r

+ res = mfCheckKeys(blockNo, keyType, timeout14a, true, 1, key, &key64);\r

if (res) {\r

PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

return 3;\r

if (res) {\r

PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r

return 3;\r

if (ctmp != 'A' && ctmp != 'a')\r

trgKeyType = 1;\r

\r

if (ctmp != 'A' && ctmp != 'a')\r

trgKeyType = 1;\r

\r

- parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);\r

+ parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &timeout14a);\r

} else {\r

- parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);\r

+ parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &timeout14a);\r

}\r

\r

PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",\r

}\r

\r

PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",\r

- SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r

+ SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((uint32_t)timeout14a * 1000) / 106);\r

}\r

\r

// one-sector nested\r

if (cmdp == 'o') { // ------------------------------------ one sector working\r

PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');\r

}\r

\r

// one-sector nested\r

if (cmdp == 'o') { // ------------------------------------ one sector working\r

PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');\r

- int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);\r

- if (isOK) {\r

+ int16_t isOK = mfnested(blockNo, keyType, timeout14a, key, trgBlockNo, trgKeyType, keyBlock, true);\r

+ if (isOK < 0) {\r

switch (isOK) {\r

case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r

case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r

switch (isOK) {\r

case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r

case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r

- default : PrintAndLog("Unknown Error.\n");\r

+ default : PrintAndLog("Unknown Error (%d)\n", isOK);\r

}\r

return 2;\r

}\r

key64 = bytes_to_num(keyBlock, 6);\r

}\r

return 2;\r

}\r

key64 = bytes_to_num(keyBlock, 6);\r

- if (key64) {\r

+ if (!isOK) {\r

PrintAndLog("Found valid key:%012" PRIx64, key64);\r

\r

// transfer key to the emulator\r

PrintAndLog("Found valid key:%012" PRIx64, key64);\r

\r

// transfer key to the emulator\r

}\r

\r

PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r

}\r

\r

PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r

- mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);\r

+ mfCheckKeysSec(SectorsCnt, 2, timeout14a, true, true, true, MifareDefaultKeysSize, keyBlock, e_sector);\r

\r

// get known key from array\r

bool keyFound = false;\r

\r

// get known key from array\r

bool keyFound = false;\r

for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {\r

if (e_sector[sectorNo].foundKey[trgKeyType]) continue;\r

PrintAndLog("-----------------------------------------------");\r

for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {\r

if (e_sector[sectorNo].foundKey[trgKeyType]) continue;\r

PrintAndLog("-----------------------------------------------");\r

- int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);\r

- if(isOK) {\r

+ int16_t isOK = mfnested(blockNo, keyType, timeout14a, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);\r

+ if(isOK < 0) {\r

switch (isOK) {\r

case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r

case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r

switch (isOK) {\r

case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r

case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r

- default : PrintAndLog("Unknown Error.\n");\r

+ default : PrintAndLog("Unknown Error (%d)\n", isOK);\r

}\r

free(e_sector);\r

return 2;\r

}\r

free(e_sector);\r

return 2;\r

iterations++;\r

\r

key64 = bytes_to_num(keyBlock, 6);\r

iterations++;\r

\r

key64 = bytes_to_num(keyBlock, 6);\r

- if (key64) {\r

+ if (!isOK) {\r

PrintAndLog("Found valid key:%012" PRIx64, key64);\r

e_sector[sectorNo].foundKey[trgKeyType] = 1;\r

e_sector[sectorNo].Key[trgKeyType] = key64;\r

\r

// try to check this key as a key to the other sectors\r

PrintAndLog("Found valid key:%012" PRIx64, key64);\r

e_sector[sectorNo].foundKey[trgKeyType] = 1;\r

e_sector[sectorNo].Key[trgKeyType] = key64;\r

\r

// try to check this key as a key to the other sectors\r

- mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);\r

+ mfCheckKeysSec(SectorsCnt, 2, timeout14a, true, true, true, 1, keyBlock, e_sector);\r

}\r

\r

}\r

\r

-int CmdHF14AMfChk(const char *Cmd)\r

-{\r

+int CmdHF14AMfChk(const char *Cmd) {\r

+\r

if (strlen(Cmd)<3) {\r

PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r

PrintAndLog(" * - all sectors");\r

PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r

if (strlen(Cmd)<3) {\r

PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r

PrintAndLog(" * - all sectors");\r

PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r

- PrintAndLog("d - write keys to binary file\n");\r

+ PrintAndLog("d - write keys to binary file (not used when <block number> supplied)");\r

PrintAndLog("t - write keys to emulator memory");\r

PrintAndLog("s - slow execute. timeout 1ms");\r

PrintAndLog("ss - very slow execute. timeout 5ms");\r

PrintAndLog("t - write keys to emulator memory");\r

PrintAndLog("s - slow execute. timeout 1ms");\r

PrintAndLog("ss - very slow execute. timeout 5ms");\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

- FILE * f;\r

- char filename[FILE_PATH_SIZE]={0};\r

- char buf[13];\r

- uint8_t *keyBlock = NULL, *p;\r

- uint16_t stKeyBlock = 20;\r

-\r

- int i, res;\r

- int keycnt = 0;\r

- char ctmp = 0x00;\r

- int clen = 0;\r

- uint8_t blockNo = 0;\r

- uint8_t SectorsCnt = 0;\r

- uint8_t keyType = 0;\r

- uint64_t key64 = 0;\r

+ FILE * f;\r

+ char filename[FILE_PATH_SIZE]={0};\r

+ char buf[13];\r

+ uint8_t *keyBlock = NULL, *p;\r

+ uint16_t stKeyBlock = 20;\r

+ int i, res;\r

+ int keycnt = 0;\r

+ char ctmp = 0x00;\r

+ int clen = 0;\r

+ uint8_t blockNo = 0;\r

+ uint8_t SectorsCnt = 0;\r

+ uint8_t keyType = 0;\r

+ uint64_t key64 = 0;\r

// timeout in units. (ms * 106)/10 or us*0.0106\r

- uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r

- bool param3InUse = false;\r

-\r

- bool transferToEml = 0;\r

- bool createDumpFile = 0;\r

+ uint16_t timeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r

+ bool param3InUse = false;\r

+ bool transferToEml = 0;\r

+ bool createDumpFile = 0;\r

+ bool singleBlock = false; // Flag to ID if a single or multi key check\r

+ uint8_t keyFoundCount = 0; // Counter to display the number of keys found/transfered to emulator\r

\r

sector_t *e_sector = NULL;\r

\r

sector_t *e_sector = NULL;\r

\r

if (param_getchar(Cmd, 0)=='*') {\r

SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));\r

\r

if (param_getchar(Cmd, 0)=='*') {\r

SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));\r

- }\r

- else\r

+ } else { \r

blockNo = param_get8(Cmd, 0);\r

+ // Singe Key check, so Set Sector count to cover sectors (1 to sector that contains the block)\r

+ // 1 and 2 Cards : Sector = blockNo/4 + 1\r

+ // Sectors 0 - 31 : 4 blocks per sector : Blocks 0 - 127\r

+ // Sectors 32 - 39 : 16 blocks per sector : Blocks 128 - 255 (4K)\r

+ if (blockNo < 128) {\r

+ SectorsCnt = (blockNo / 4) + 1;\r

+ } else {\r

+ SectorsCnt = 32 + ((blockNo-128)/16) + 1;\r

+ }\r

+ singleBlock = true; // Set flag for single key check\r

+ }\r

\r

ctmp = param_getchar(Cmd, 1);\r

clen = param_getlength(Cmd, 1);\r

\r

ctmp = param_getchar(Cmd, 1);\r

clen = param_getlength(Cmd, 1);\r

};\r

}\r

\r

};\r

}\r

\r

- parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r

+ parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &timeout14a);\r

\r

- param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT);\r

+ if (singleBlock & createDumpFile) {\r

+ PrintAndLog (" block key check (<block no>) and write to dump file (d) combination is not supported ");\r

+ PrintAndLog (" please remove option d and try again");\r

+ return 1;\r

+ }\r

+\r

+ param3InUse = transferToEml | createDumpFile | (timeout14a != MF_CHKKEYS_DEFTIMEOUT);\r

\r

PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",\r

\r

PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",\r

- SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r

+ SectorsCnt, blockNo, keyType==0?'A':keyType==1?'B':'?', transferToEml?'y':'n', createDumpFile?'y':'n', ((uint32_t)timeout14a * 1000) / 106);\r

\r

for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {\r

if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r

\r

for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {\r

if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r

keyBlock = p;\r

}\r

PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r

keyBlock = p;\r

}\r

PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r

- (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r

+ (keyBlock + 6*keycnt)[0], (keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r

(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r

keycnt++;\r

} else {\r

(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r

keycnt++;\r

} else {\r

return 2;\r

}\r

\r

return 2;\r

}\r

\r

- if ( (f = fopen( filename , "r")) ) {\r

- while( fgets(buf, sizeof(buf), f) ){\r

+ if ((f = fopen( filename , "r"))) {\r

+ while (fgets(buf, sizeof(buf), f)) {\r

if (strlen(buf) < 12 || buf[11] == '\n')\r

continue;\r

\r

if (strlen(buf) < 12 || buf[11] == '\n')\r

continue;\r

\r

if( buf[0]=='#' ) continue; //The line start with # is comment, skip\r

\r

if( buf[0]=='#' ) continue; //The line start with # is comment, skip\r

\r

- if (!isxdigit((unsigned char)buf[0])){\r

- PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r

+ bool content_error = false;\r

+ for (int i = 0; i < 12; i++) {\r

+ if (!isxdigit((unsigned char)buf[i])) {\r

+ content_error = true;\r

+ }\r

+ if (content_error) {\r

+ PrintAndLog("File content error. '%s' must include 12 HEX symbols", buf);\r

continue;\r

}\r

\r

buf[12] = 0;\r

\r

continue;\r

}\r

\r

buf[12] = 0;\r

\r

- if ( stKeyBlock - keycnt < 2) {\r

+ if (stKeyBlock - keycnt < 2) {\r

p = realloc(keyBlock, 6*(stKeyBlock+=10));\r

if (!p) {\r

PrintAndLog("Cannot allocate memory for defKeys");\r

p = realloc(keyBlock, 6*(stKeyBlock+=10));\r

if (!p) {\r

PrintAndLog("Cannot allocate memory for defKeys");\r

PrintAndLog("File: %s: not found or locked.", filename);\r

free(keyBlock);\r

return 1;\r

PrintAndLog("File: %s: not found or locked.", filename);\r

free(keyBlock);\r

return 1;\r

-\r

}\r

PrintAndLog("No key specified, trying default keys");\r

for (;keycnt < defaultKeysSize; keycnt++)\r

PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r

PrintAndLog("No key specified, trying default keys");\r

for (;keycnt < defaultKeysSize; keycnt++)\r

PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r

- (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r

+ (keyBlock + 6*keycnt)[0], (keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r

(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r

}\r

\r

(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r

}\r

\r

printf("\n");\r

\r

bool foundAKey = false;\r

printf("\n");\r

\r

bool foundAKey = false;\r

- uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;\r

- if (SectorsCnt) {\r

+ bool clearTraceLog = true;\r

+ uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;\r

+\r

+ // !SingleKey, so all key check (if SectorsCnt > 0)\r

+ if (!singleBlock) {\r

PrintAndLog("To cancel this operation press the button on the proxmark...");\r

printf("--");\r

for (uint32_t c = 0; c < keycnt; c += max_keys) {\r

\r

uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r

PrintAndLog("To cancel this operation press the button on the proxmark...");\r

printf("--");\r

for (uint32_t c = 0; c < keycnt; c += max_keys) {\r

\r

uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r

- res = mfCheckKeysSec(SectorsCnt, keyType, btimeout14a, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106\r

+ bool init = (c == 0);\r

+ bool drop_field = (c + size == keycnt);\r

+ res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a, clearTraceLog, init, drop_field, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106\r

+ clearTraceLog = false;\r

\r

if (res != 1) {\r

if (!res) {\r

\r

if (res != 1) {\r

if (!res) {\r

} else {\r

int keyAB = keyType;\r

do {\r

} else {\r

int keyAB = keyType;\r

do {\r

- for (uint32_t c = 0; c < keycnt; c+=max_keys) {\r

+ res = mfCheckKeys(blockNo, keyAB & 0x01, timeout14a, true, keycnt, keyBlock, &key64);\r

+ clearTraceLog = false;\r

+\r

+ if (res != 1) {\r

+ if (!res) {\r

+ // Use the common format below\r

+ // PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);\r

+ foundAKey = true;\r

\r

- uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r

- res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64);\r

+ // Store the Single Key for display list\r

+ // For a single block check, SectorsCnt = Sector that contains the block\r

+ e_sector[SectorsCnt-1].foundKey[(keyAB & 0x01)] = true; // flag key found\r

+ e_sector[SectorsCnt-1].Key[(keyAB & 0x01)] = key64; // Save key data\r

\r

- if (res != 1) {\r

- if (!res) {\r

- PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);\r

- foundAKey = true;\r

- }\r

- } else {\r

- PrintAndLog("Command execute timeout");\r

}\r

+ } else {\r

+ PrintAndLog("Command execute timeout");\r

}\r

} while(--keyAB > 0);\r

}\r

\r

// print result\r

if (foundAKey) {\r

}\r

} while(--keyAB > 0);\r

}\r

\r

// print result\r

if (foundAKey) {\r

- if (SectorsCnt) {\r

- PrintAndLog("");\r

- PrintAndLog("|---|----------------|---|----------------|---|");\r

- PrintAndLog("|sec|key A |res|key B |res|");\r

- PrintAndLog("|---|----------------|---|----------------|---|");\r

- for (i = 0; i < SectorsCnt; i++) {\r

- PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,\r

- e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r

+ PrintAndLog("");\r

+ PrintAndLog("|---|----------------|----------------|");\r

+ PrintAndLog("|sec|key A |key B |");\r

+ PrintAndLog("|---|----------------|----------------|");\r

+ for (i = 0; i < SectorsCnt; i++) {\r

+ // If a block key check, only print a line if a key was found.\r

+ if (!singleBlock || e_sector[i].foundKey[0] || e_sector[i].foundKey[1]) {\r

+ char keyAString[13] = " ? ";\r

+ char keyBString[13] = " ? ";\r

+ if (e_sector[i].foundKey[0]) {\r

+ sprintf(keyAString, "%012" PRIx64, e_sector[i].Key[0]);\r

+ }\r

+ if (e_sector[i].foundKey[1]) {\r

+ sprintf(keyBString, "%012" PRIx64, e_sector[i].Key[1]);\r

+ }\r

+ PrintAndLog("|%03d| %s | %s |", i, keyAString, keyBString);\r

}\r

- PrintAndLog("|---|----------------|---|----------------|---|");\r

}\r

+ PrintAndLog("|---|----------------|----------------|");\r

} else {\r

PrintAndLog("");\r

PrintAndLog("No valid keys found.");\r

} else {\r

PrintAndLog("");\r

PrintAndLog("No valid keys found.");\r

for (uint16_t t = 0; t < 2; t++) {\r

if (e_sector[sectorNo].foundKey[t]) {\r

num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);\r

for (uint16_t t = 0; t < 2; t++) {\r

if (e_sector[sectorNo].foundKey[t]) {\r

num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);\r

+ keyFoundCount++; // Key found count for information\r

}\r

mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r

}\r

mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r

}\r

- PrintAndLog("Found keys have been transferred to the emulator memory");\r

+ // Updated to show the actual number of keys found/transfered.\r

+ PrintAndLog("%d keys(s) found have been transferred to the emulator memory",keyFoundCount);\r

}\r

\r

}\r

\r

- if (createDumpFile) {\r

+ if (createDumpFile && !singleBlock) {\r

FILE *fkeys = fopen("dumpkeys.bin","wb");\r

if (fkeys == NULL) {\r

PrintAndLog("Could not create file dumpkeys.bin");\r

FILE *fkeys = fopen("dumpkeys.bin","wb");\r

if (fkeys == NULL) {\r

PrintAndLog("Could not create file dumpkeys.bin");\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

+\r

void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {\r

#define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()\r

// cannot be more than 7 or it will overrun c.d.asBytes(512)\r

void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {\r

#define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()\r

// cannot be more than 7 or it will overrun c.d.asBytes(512)\r

break;\r

case 'u':\r

case 'U':\r

break;\r

case 'u':\r

case 'U':\r

- param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);\r

- switch(uidlen) {\r

+ uidlen = 14;\r

+ if (param_gethex_ex(Cmd, cmdp+1, uid, &uidlen)) {\r

+ return usage_hf14_mfsim();\r

+ }\r

+ switch (uidlen) {\r

case 14: flags = FLAG_7B_UID_IN_DATA; break;\r

case 8: flags = FLAG_4B_UID_IN_DATA; break;\r

default: return usage_hf14_mfsim();\r

case 14: flags = FLAG_7B_UID_IN_DATA; break;\r

case 8: flags = FLAG_4B_UID_IN_DATA; break;\r

default: return usage_hf14_mfsim();\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

- UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r

- SendCommand(&c);\r

+ UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r

+ SendCommand(&c);\r

\r

- return 0;\r

+ return 0;\r

}\r

\r

int CmdHF14AMfEGet(const char *Cmd)\r

}\r

\r

int CmdHF14AMfEGet(const char *Cmd)\r

PrintAndLog("Command execute timeout");\r

}\r

\r

PrintAndLog("Command execute timeout");\r

}\r

\r

- return 0;\r

+ return 0;\r

}\r

\r

int CmdHF14AMfEClear(const char *Cmd)\r

}\r

\r

int CmdHF14AMfEClear(const char *Cmd)\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

- UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};\r

- SendCommand(&c);\r

- return 0;\r

+ UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};\r

+ SendCommand(&c);\r

+ return 0;\r

}\r

\r

}\r

\r

PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);\r

\r

PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);\r

\r

- return 0;\r

+ return 0;\r

}\r

\r

}\r

\r

case '\0': numSectors = 16; break;\r

case '2' : numSectors = 32; break;\r

case '4' : numSectors = 40; break;\r

case '\0': numSectors = 16; break;\r

case '2' : numSectors = 32; break;\r

case '4' : numSectors = 40; break;\r

- case 'd' : \r

+ case 'd' :\r

case 'D' : createDumpFile = true; break;\r

}\r

cmdp++;\r

case 'D' : createDumpFile = true; break;\r

}\r

cmdp++;\r

PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r

break;\r

}\r

PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r

break;\r

}\r

- fwrite(data+6, 1, 6, fkeys);\r

+ fwrite(data, 1, 6, fkeys);\r

}\r

for(i = 0; i < numSectors; i++) {\r

if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {\r

}\r

for(i = 0; i < numSectors; i++) {\r

if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {\r

}\r

\r

UsbCommand resp;\r

}\r

\r

UsbCommand resp;\r

- if (WaitForResponseTimeoutW(CMD_ACK, &resp, 2000, false)) {\r

+ if (WaitForResponseTimeoutW(CMD_UNKNOWN, &resp, 2000, false)) {\r

res = resp.arg[0] & 0xff;\r

uint16_t traceLen = resp.arg[1];\r

len = resp.arg[2];\r

res = resp.arg[0] & 0xff;\r

uint16_t traceLen = resp.arg[1];\r

len = resp.arg[2];\r

//needs nt, ar, at, Data to decrypt\r

int CmdDecryptTraceCmds(const char *Cmd){\r

uint8_t data[50];\r

//needs nt, ar, at, Data to decrypt\r

int CmdDecryptTraceCmds(const char *Cmd){\r

uint8_t data[50];\r

- int len = 0;\r

- param_gethex_ex(Cmd,3,data,&len);\r

- return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);\r

+ int len = 100;\r

+ param_gethex_ex(Cmd, 3, data, &len);\r

+ return tryDecryptWord(param_get32ex(Cmd, 0, 0, 16), param_get32ex(Cmd, 1, 0, 16), param_get32ex(Cmd, 2, 0, 16), data, len/2);\r

}\r

\r

int CmdHF14AMfAuth4(const char *cmd) {\r

}\r

\r

int CmdHF14AMfAuth4(const char *cmd) {\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

-static command_t CommandTable[] =\r

-{\r

- {"help", CmdHelp, 1, "This help"},\r

- {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},\r

- {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},\r

- {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},\r

- {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},\r

- {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},\r

- {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},\r

- {"auth4", CmdHF14AMfAuth4, 0, "ISO14443-4 AES authentication"},\r

- {"chk", CmdHF14AMfChk, 0, "Test block keys"},\r

- {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},\r

- {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},\r

- {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},\r

- {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},\r

- {"sim", CmdHF14AMfSim, 0, "Simulate MIFARE card"},\r

- {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory"},\r

- {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},\r

- {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},\r

- {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},\r

- {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},\r

- {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},\r

- {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},\r

- {"cwipe", CmdHF14AMfCWipe, 0, "Wipe magic Chinese card"},\r

- {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},\r

- {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},\r

- {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},\r

- {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},\r

- {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},\r

- {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},\r

- {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r

- {"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"},\r

- {"ndef", CmdHFMFNDEF, 0, "Prints NDEF records from card"},\r

- {NULL, NULL, 0, NULL}\r

+int CmdHFMFPersonalize(const char *cmd) {\r

+\r

+ CLIParserInit("hf mf personalize",\r

+ "Personalize the UID of a Mifare Classic EV1 card. This is only possible if it is a 7Byte UID card and if it is not already personalized.",\r

+ "Usage:\n\thf mf personalize UIDF0 -> double size UID according to ISO/IEC14443-3\n"\r

+ "\thf mf personalize UIDF1 -> double size UID according to ISO/IEC14443-3, optional usage of selection process shortcut\n"\r

+ "\thf mf personalize UIDF2 -> single size random ID according to ISO/IEC14443-3\n"\r

+ "\thf mf personalize UIDF3 -> single size NUID according to ISO/IEC14443-3\n"\r

+ "\thf mf personalize -t B -k B0B1B2B3B4B5 UIDF3 -> use key B = 0xB0B1B2B3B4B5 instead of default key A\n");\r

+\r

+ void *argtable[] = {\r

+ arg_param_begin,\r

+ arg_str0("tT", "keytype", "<A|B>", "key type (A or B) to authenticate sector 0 (default: A)"),\r

+ arg_str0("kK", "key", "<key (hex 6 Bytes)>", "key to authenticate sector 0 (default: FFFFFFFFFFFF)"),\r

+ arg_str1(NULL, NULL, "<UIDF0|UIDF1|UIDF2|UIDF3>", "Personalization Option"),\r

+ arg_param_end\r

+ };\r

+ CLIExecWithReturn(cmd, argtable, true);\r

+\r

+ char keytypestr[2] = "A";\r

+ uint8_t keytype = 0x00;\r

+ int keytypestr_len;\r

+ int res = CLIParamStrToBuf(arg_get_str(1), (uint8_t*)keytypestr, 1, &keytypestr_len);\r

+ if (res || (keytypestr[0] != 'a' && keytypestr[0] != 'A' && keytypestr[0] != 'b' && keytypestr[0] != 'B')) {\r

+ PrintAndLog("ERROR: not a valid key type. Key type must be A or B");\r

+ CLIParserFree();\r

+ return 1;\r

+ }\r

+ if (keytypestr[0] == 'B' || keytypestr[0] == 'b') {\r

+ keytype = 0x01;\r

+ }\r

+\r

+ uint8_t key[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r

+ int key_len;\r

+ res = CLIParamHexToBuf(arg_get_str(2), key, 6, &key_len);\r

+ if (res || (!res && key_len > 0 && key_len != 6)) {\r

+ PrintAndLog("ERROR: not a valid key. Key must be 12 hex digits");\r

+ CLIParserFree();\r

+ return 1;\r

+ }\r

+\r

+ char pers_optionstr[6];\r

+ int opt_len;\r

+ uint8_t pers_option;\r

+ res = CLIParamStrToBuf(arg_get_str(3), (uint8_t*)pers_optionstr, 5, &opt_len);\r

+ if (res || (!res && opt_len > 0 && opt_len != 5)\r

+ || (strncmp(pers_optionstr, "UIDF0", 5) && strncmp(pers_optionstr, "UIDF1", 5) && strncmp(pers_optionstr, "UIDF2", 5) && strncmp(pers_optionstr, "UIDF3", 5))) {\r

+ PrintAndLog("ERROR: invalid personalization option. Must be one of UIDF0, UIDF1, UIDF2, or UIDF3");\r

+ CLIParserFree();\r

+ return 1;\r

+ }\r

+ if (!strncmp(pers_optionstr, "UIDF0", 5)) {\r

+ pers_option = MIFARE_EV1_UIDF0;\r

+ } else if (!strncmp(pers_optionstr, "UIDF1", 5)) {\r

+ pers_option = MIFARE_EV1_UIDF1;\r

+ } else if (!strncmp(pers_optionstr, "UIDF2", 5)) {\r

+ pers_option = MIFARE_EV1_UIDF2;\r

+ } else {\r

+ pers_option = MIFARE_EV1_UIDF3;\r

+ }\r

+\r

+ CLIParserFree();\r

+\r

+ UsbCommand c = {CMD_MIFARE_PERSONALIZE_UID, {keytype, pers_option, 0}};\r

+ memcpy(c.d.asBytes, key, 6);\r

+ SendCommand(&c);\r

+\r

+ UsbCommand resp;\r

+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r

+ uint8_t isOK = resp.arg[0] & 0xff;\r

+ PrintAndLog("Personalization %s", isOK ? "FAILED" : "SUCCEEDED");\r

+ } else {\r

+ PrintAndLog("Command execute timeout");\r

+ }\r

+\r

+ return 0;\r

+}\r

+\r

+static command_t CommandTable[] = {\r

+ {"help", CmdHelp, 1, "This help"},\r

+ {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},\r

+ {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},\r

+ {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},\r

+ {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},\r

+ {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},\r

+ {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},\r

+ {"auth4", CmdHF14AMfAuth4, 0, "ISO14443-4 AES authentication"},\r

+ {"chk", CmdHF14AMfChk, 0, "Test block keys"},\r

+ {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},\r

+ {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},\r

+ {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},\r

+ {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},\r

+ {"sim", CmdHF14AMfSim, 0, "Simulate MIFARE card"},\r

+ {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory"},\r

+ {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},\r

+ {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},\r

+ {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},\r

+ {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},\r

+ {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},\r

+ {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},\r

+ {"cwipe", CmdHF14AMfCWipe, 0, "Wipe magic Chinese card"},\r

+ {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},\r

+ {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},\r

+ {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},\r

+ {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},\r

+ {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},\r

+ {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},\r

+ {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r

+ {"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"},\r

+ {"ndef", CmdHFMFNDEF, 0, "Prints NDEF records from card"},\r

+ {"personalize", CmdHFMFPersonalize, 0, "Personalize UID (Mifare Classic EV1 only)"},\r

+ {NULL, NULL, 0, NULL}\r

};\r

\r

};\r

\r

-int CmdHFMF(const char *Cmd)\r

-{\r

+\r

+int CmdHFMF(const char *Cmd) {\r

(void)WaitForResponseTimeout(CMD_ACK,NULL,100);\r

CmdsParse(CommandTable, Cmd);\r

return 0;\r

}\r

\r

(void)WaitForResponseTimeout(CMD_ACK,NULL,100);\r

CmdsParse(CommandTable, Cmd);\r

return 0;\r

}\r

\r

-int CmdHelp(const char *Cmd)\r

-{\r

- CmdsHelp(CommandTable);\r

- return 0;\r

+\r

+int CmdHelp(const char *Cmd) {\r

+ CmdsHelp(CommandTable);\r

+ return 0;\r

}\r