X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/cda2a4c0a5e9b9e2a373aeb822111237ff9ec710..553bbf59b675caacbac3b1a086b1043bf09163b2:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 96eb8007..d909cd8c 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -10,87 +10,47 @@ #include "cmdhfmf.h" +#include +#include +#include +#include +#include +#include "proxmark3.h" +#include "cmdmain.h" +#include "cmdhfmfhard.h" +#include "util.h" +#include "util_posix.h" +#include "usb_cmd.h" +#include "ui.h" +#include "mifarehost.h" +#include "mifare.h" +#include "mfkey.h" + +#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up + + static int CmdHelp(const char *Cmd); int CmdHF14AMifare(const char *Cmd) { - uint32_t uid = 0; - uint32_t nt = 0, nr = 0; - uint64_t par_list = 0, ks_list = 0, r_key = 0; - uint8_t isOK = 0; - uint8_t keyBlock[8] = {0}; - - UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}}; - - // message - printf("-------------------------------------------------------------------------\n"); - printf("Executing command. Expected execution time: 25sec on average :-)\n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); - printf("-------------------------------------------------------------------------\n"); - - -start: - clearCommandBuffer(); - SendCommand(&c); - - //flush queue - while (ukbhit()) getchar(); - - - // wait cycle - while (true) { - printf("."); - fflush(stdout); - if (ukbhit()) { - getchar(); - printf("\naborted via keyboard!\n"); - break; - } - - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { - isOK = resp.arg[0] & 0xff; - uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4); - nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4); - par_list = bytes_to_num(resp.d.asBytes + 8, 8); - ks_list = bytes_to_num(resp.d.asBytes + 16, 8); - nr = bytes_to_num(resp.d.asBytes + 24, 4); - printf("\n\n"); - if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n"); - break; - } - } - - printf("\n"); - - // error - if (isOK != 1) return 1; - - // execute original function from util nonce2key - if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) - { - isOK = 2; - PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt); - } else { - printf("------------------------------------------------------------------\n"); - PrintAndLog("Key found:%012"llx" \n", r_key); - - num_to_bytes(r_key, 6, keyBlock); - isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key); - } - if (!isOK) - PrintAndLog("Found valid key:%012"llx, r_key); - else - { - if (isOK != 2) PrintAndLog("Found invalid key. "); - PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce..."); - c.arg[0] = false; - goto start; + int isOK = 0; + uint64_t key = 0; + isOK = mfDarkside(&key); + switch (isOK) { + case -1 : PrintAndLog("Button pressed. Aborted."); return 1; + case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1; + case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1; + case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown"); + PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1; + case -5 : PrintAndLog("Aborted via keyboard."); return 1; + default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key); } + PrintAndLog(""); return 0; } + int CmdHF14AMfWrBl(const char *Cmd) { uint8_t blockNo = 0; @@ -121,7 +81,7 @@ int CmdHF14AMfWrBl(const char *Cmd) PrintAndLog("Block data must include 32 HEX symbols"); return 1; } - PrintAndLog("--block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); PrintAndLog("--data: %s", sprint_hex(bldata, 16)); UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; @@ -166,7 +126,7 @@ int CmdHF14AMfRdBl(const char *Cmd) PrintAndLog("Key must include 12 HEX symbols"); return 1; } - PrintAndLog("--block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6)); UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); @@ -174,8 +134,8 @@ int CmdHF14AMfRdBl(const char *Cmd) UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - uint8_t * data = resp.d.asBytes; + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; if (isOK) PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16)); @@ -194,10 +154,8 @@ int CmdHF14AMfRdSc(const char *Cmd) uint8_t sectorNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t isOK = 0; - uint8_t * data = NULL; - + uint8_t *data = NULL; char cmdp = 0x00; if (strlen(Cmd)<3) { @@ -207,12 +165,12 @@ int CmdHF14AMfRdSc(const char *Cmd) } sectorNo = param_get8(Cmd, 0); - if (sectorNo > 63) { - PrintAndLog("Sector number must be less than 64"); + if (sectorNo > 39) { + PrintAndLog("Sector number must be less than 40"); return 1; } cmdp = param_getchar(Cmd, 1); - if (cmdp == 0x00) { + if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } @@ -221,11 +179,11 @@ int CmdHF14AMfRdSc(const char *Cmd) PrintAndLog("Key must include 12 HEX symbols"); return 1; } - PrintAndLog("--sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6)); - UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; + UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); - SendCommand(&c); + SendCommand(&c); PrintAndLog(" "); UsbCommand resp; @@ -234,248 +192,312 @@ int CmdHF14AMfRdSc(const char *Cmd) data = resp.d.asBytes; PrintAndLog("isOk:%02x", isOK); - if (isOK) - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); + if (isOK) { + for (i = 0; i < (sectorNo<32?3:15); i++) { + PrintAndLog("data : %s", sprint_hex(data + i * 16, 16)); } + PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16)); + } } else { - PrintAndLog("Command1 execute timeout"); + PrintAndLog("Command execute timeout"); } - // response2 - PrintAndLog(" "); - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - isOK = resp.arg[0] & 0xff; - data = resp.d.asBytes; + return 0; +} - if (isOK) - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); - } +uint8_t FirstBlockOfSector(uint8_t sectorNo) +{ + if (sectorNo < 32) { + return sectorNo * 4; } else { - PrintAndLog("Command2 execute timeout"); + return 32 * 4 + (sectorNo - 32) * 16; + } +} + +uint8_t NumBlocksPerSector(uint8_t sectorNo) +{ + if (sectorNo < 32) { + return 4; + } else { + return 16; } - - return 0; } int CmdHF14AMfDump(const char *Cmd) { - int i, j; + uint8_t sectorNo, blockNo; uint8_t keyA[40][6]; uint8_t keyB[40][6]; uint8_t rights[40][4]; + uint8_t carddata[256][16]; + uint8_t numSectors = 16; FILE *fin; FILE *fout; UsbCommand resp; + + char cmdp = param_getchar(Cmd, 0); + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } - if ((fin = fopen("dumpkeys.bin","rb")) == NULL) { - PrintAndLog("Could not find file dumpkeys.bin"); - return 1; + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mf dump [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("Samples: hf mf dump"); + PrintAndLog(" hf mf dump 4"); + return 0; } - if ((fout = fopen("dumpdata.bin","wb")) == NULL) { - PrintAndLog("Could not create file name dumpdata.bin"); + if ((fin = fopen("dumpkeys.bin","rb")) == NULL) { + PrintAndLog("Could not find file dumpkeys.bin"); return 1; } - // Read key file - - for (i=0 ; i<16 ; i++) { - if (fread( keyA[i], 1, 6, fin ) == 0) { - PrintAndLog("File reading error."); + // Read keys A from file + for (sectorNo=0; sectorNo>4) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>2); - rights[i][1] = ((data[7] & 0x20)>>5) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>3); - rights[i][2] = ((data[7] & 0x40)>>6) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>4); - rights[i][3] = ((data[7] & 0x80)>>7) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>5); + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; + if (isOK){ + rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0 + rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1 + rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2 + rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer + break; + } else if (tries == 2) { // on last try set defaults + PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } - else{ - PrintAndLog("Could not get access rights for block %d", i); + } else { + PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } } - else { - PrintAndLog("Command execute timeout"); - } } - // Read blocks and print to file - PrintAndLog("|-----------------------------------------|"); PrintAndLog("|----- Dumping all blocks to file... -----|"); PrintAndLog("|-----------------------------------------|"); - - for (i=0 ; i<16 ; i++) { - for (j=0 ; j<4 ; j++) { - bool received = false; - - if (j == 3){ - UsbCommand c = {CMD_MIFARE_READBL, {i*4 + j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); - SendCommand(&c); - received = WaitForResponseTimeout(CMD_ACK,&resp,1500); - } - else{ - if ((rights[i][j] == 6) | (rights[i][j] == 5)) { - UsbCommand c = {CMD_MIFARE_READBL, {i*4+j, 1, 0}}; - memcpy(c.d.asBytes, keyB[i], 6); + bool isOK = true; + for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { + for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + bool received = false; + for (tries = 0; tries < 3; tries++) { + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A. + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); SendCommand(&c); - received = WaitForResponseTimeout(CMD_ACK,&resp,1500); - } - else if (rights[i][j] == 7) { - PrintAndLog("Access rights do not allow reading of sector %d block %d",i,j); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + } else { // data block. Check if it can be read with key A or key B + uint8_t data_area = sectorNo<32?blockNo:blockNo/5; + if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}}; + memcpy(c.d.asBytes, keyB[sectorNo], 6); + SendCommand(&c); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + } else if (rights[sectorNo][data_area] == 0x07) { // no key would work + isOK = false; + PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo); + tries = 2; + } else { // key A would work + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + SendCommand(&c); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + } } - else { - UsbCommand c = {CMD_MIFARE_READBL, {i*4+j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); - SendCommand(&c); - received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + if (received) { + isOK = resp.arg[0] & 0xff; + if (isOK) break; } } if (received) { - uint8_t isOK = resp.arg[0] & 0xff; + isOK = resp.arg[0] & 0xff; uint8_t *data = resp.d.asBytes; - if (j == 3) { - data[0] = (keyA[i][0]); - data[1] = (keyA[i][1]); - data[2] = (keyA[i][2]); - data[3] = (keyA[i][3]); - data[4] = (keyA[i][4]); - data[5] = (keyA[i][5]); - data[10] = (keyB[i][0]); - data[11] = (keyB[i][1]); - data[12] = (keyB[i][2]); - data[13] = (keyB[i][3]); - data[14] = (keyB[i][4]); - data[15] = (keyB[i][5]); + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys. + data[0] = (keyA[sectorNo][0]); + data[1] = (keyA[sectorNo][1]); + data[2] = (keyA[sectorNo][2]); + data[3] = (keyA[sectorNo][3]); + data[4] = (keyA[sectorNo][4]); + data[5] = (keyA[sectorNo][5]); + data[10] = (keyB[sectorNo][0]); + data[11] = (keyB[sectorNo][1]); + data[12] = (keyB[sectorNo][2]); + data[13] = (keyB[sectorNo][3]); + data[14] = (keyB[sectorNo][4]); + data[15] = (keyB[sectorNo][5]); } if (isOK) { - fwrite ( data, 1, 16, fout ); - } - else { - PrintAndLog("Could not get access rights for block %d", i); + memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16); + PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo); + } else { + PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo); + break; } } else { - PrintAndLog("Command execute timeout"); + isOK = false; + PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo); + break; } } } - - fclose(fin); - fclose(fout); - - return 0; + + if (isOK) { + if ((fout = fopen("dumpdata.bin","wb")) == NULL) { + PrintAndLog("Could not create file name dumpdata.bin"); + return 1; + } + uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1); + fwrite(carddata, 1, 16*numblocks, fout); + fclose(fout); + PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks); + } + + return 0; } int CmdHF14AMfRestore(const char *Cmd) { - - int i,j; + uint8_t sectorNo,blockNo; uint8_t keyType = 0; - uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - uint8_t keyA[16][6]; - uint8_t keyB[16][6]; + uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; + uint8_t bldata[16] = {0x00}; + uint8_t keyA[40][6]; + uint8_t keyB[40][6]; + uint8_t numSectors; FILE *fdump; FILE *fkeys; - - if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { - PrintAndLog("Could not find file dumpdata.bin"); - return 1; + + char cmdp = param_getchar(Cmd, 0); + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mf restore [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("Samples: hf mf restore"); + PrintAndLog(" hf mf restore 4"); + return 0; } + if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) { PrintAndLog("Could not find file dumpkeys.bin"); return 1; } - for (i=0 ; i<16 ; i++) { - if (fread(keyA[i], 1, 6, fkeys) == 0) { - PrintAndLog("File reading error."); + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys); + if (bytes_read != 6) { + PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); return 2; - } + } } - for (i=0 ; i<16 ; i++) { - if (fread(keyB[i], 1, 6, fkeys) == 0) { - PrintAndLog("File reading error."); + + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys); + if (bytes_read != 6) { + PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); return 2; - } + } } - + + fclose(fkeys); + + if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { + PrintAndLog("Could not find file dumpdata.bin"); + return 1; + } PrintAndLog("Restoring dumpdata.bin to card"); - for (i=0 ; i<16 ; i++) { - for( j=0 ; j<4 ; j++) { - UsbCommand c = {CMD_MIFARE_WRITEBL, {i*4 + j, keyType, 0}}; + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); - if (fread(bldata, 1, 16, fdump) == 0) { - PrintAndLog("File reading error."); - return 2; - } + size_t bytes_read = fread(bldata, 1, 16, fdump); + if (bytes_read != 16) { + PrintAndLog("File reading error (dumpdata.bin)."); + fclose(fdump); + return 2; + } - if (j == 3) { - bldata[0] = (keyA[i][0]); - bldata[1] = (keyA[i][1]); - bldata[2] = (keyA[i][2]); - bldata[3] = (keyA[i][3]); - bldata[4] = (keyA[i][4]); - bldata[5] = (keyA[i][5]); - bldata[10] = (keyB[i][0]); - bldata[11] = (keyB[i][1]); - bldata[12] = (keyB[i][2]); - bldata[13] = (keyB[i][3]); - bldata[14] = (keyB[i][4]); - bldata[15] = (keyB[i][5]); + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer + bldata[0] = (keyA[sectorNo][0]); + bldata[1] = (keyA[sectorNo][1]); + bldata[2] = (keyA[sectorNo][2]); + bldata[3] = (keyA[sectorNo][3]); + bldata[4] = (keyA[sectorNo][4]); + bldata[5] = (keyA[sectorNo][5]); + bldata[10] = (keyB[sectorNo][0]); + bldata[11] = (keyB[sectorNo][1]); + bldata[12] = (keyB[sectorNo][2]); + bldata[13] = (keyB[sectorNo][3]); + bldata[14] = (keyB[sectorNo][4]); + bldata[15] = (keyB[sectorNo][5]); } - PrintAndLog("Writing to block %2d: %s", i*4+j, sprint_hex(bldata, 16)); - - /* - PrintAndLog("Writing to block %2d: %s Confirm? [Y,N]", i*4+j, sprint_hex(bldata, 16)); - - scanf("%c",&ch); - if ((ch != 'y') && (ch != 'Y')){ - PrintAndLog("Aborting !"); - return 1; - } - */ + PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16)); memcpy(c.d.asBytes + 10, bldata, 16); SendCommand(&c); UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { uint8_t isOK = resp.arg[0] & 0xff; PrintAndLog("isOk:%02x", isOK); } else { @@ -485,26 +507,31 @@ int CmdHF14AMfRestore(const char *Cmd) } fclose(fdump); - fclose(fkeys); return 0; } + +typedef struct { + uint64_t Key[2]; + int foundKey[2]; +} sector_t; + + int CmdHF14AMfNested(const char *Cmd) { int i, j, res, iterations; - sector * e_sector = NULL; + sector_t *e_sector = NULL; uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t trgBlockNo = 0; uint8_t trgKeyType = 0; - uint8_t blDiff = 0; - int SectorsCnt = 0; + uint8_t SectorsCnt = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t keyBlock[16 * 6]; + uint8_t keyBlock[14*6]; uint64_t key64 = 0; - int transferToEml = 0; + bool transferToEml = false; - int createDumpFile = 0; + bool createDumpFile = false; FILE *fkeys; uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; @@ -521,20 +548,24 @@ int CmdHF14AMfNested(const char *Cmd) PrintAndLog("d - write keys to binary file"); PrintAndLog(" "); PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF t "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF d "); - PrintAndLog(" sample2: hf mf nested o 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t "); + PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d "); + PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A"); return 0; } cmdp = param_getchar(Cmd, 0); blockNo = param_get8(Cmd, 1); ctmp = param_getchar(Cmd, 2); - if (ctmp == 0x00) { + + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } - if (ctmp != 'A' && ctmp != 'a') keyType = 1; + + if (ctmp != 'A' && ctmp != 'a') + keyType = 1; + if (param_gethex(Cmd, 3, key, 12)) { PrintAndLog("Key must include 12 HEX symbols"); return 1; @@ -544,122 +575,148 @@ int CmdHF14AMfNested(const char *Cmd) cmdp = 'o'; trgBlockNo = param_get8(Cmd, 4); ctmp = param_getchar(Cmd, 5); - if (ctmp == 0x00) { + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Target key type must be A or B"); return 1; } - if (ctmp != 'A' && ctmp != 'a') trgKeyType = 1; + if (ctmp != 'A' && ctmp != 'a') + trgKeyType = 1; } else { + switch (cmdp) { case '0': SectorsCnt = 05; break; case '1': SectorsCnt = 16; break; case '2': SectorsCnt = 32; break; - case '4': SectorsCnt = 64; break; + case '4': SectorsCnt = 40; break; default: SectorsCnt = 16; } } ctmp = param_getchar(Cmd, 4); - if (ctmp == 't' || ctmp == 'T') transferToEml = 1; - else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1; + if (ctmp == 't' || ctmp == 'T') transferToEml = true; + else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true; ctmp = param_getchar(Cmd, 6); transferToEml |= (ctmp == 't' || ctmp == 'T'); transferToEml |= (ctmp == 'd' || ctmp == 'D'); - PrintAndLog("--block no:%02x key type:%02x key:%s etrans:%d", blockNo, keyType, sprint_hex(key, 6), transferToEml); - if (cmdp == 'o') - PrintAndLog("--target block no:%02x target key type:%02x ", trgBlockNo, trgKeyType); - if (cmdp == 'o') { - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) { - PrintAndLog("Nested error."); + PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A'); + int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true); + if (isOK) { + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + default : PrintAndLog("Unknown Error.\n"); + } return 2; } - - for (i = 0; i < 16; i++) { - PrintAndLog("count=%d key= %s", i, sprint_hex(keyBlock + i * 6, 6)); - } - - // test keys - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, keyBlock, &key64); - if (res) - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, &keyBlock[6 * 8], &key64); - if (!res) { - PrintAndLog("Found valid key:%012"llx, key64); + key64 = bytes_to_num(keyBlock, 6); + if (key64) { + PrintAndLog("Found valid key:%012" PRIx64, key64); // transfer key to the emulator if (transferToEml) { - mfEmlGetMem(keyBlock, (trgBlockNo / 4) * 4 + 3, 1); + uint8_t sectortrailer; + if (trgBlockNo < 32*4) { // 4 block sector + sectortrailer = (trgBlockNo & 0x03) + 3; + } else { // 16 block sector + sectortrailer = (trgBlockNo & 0x0f) + 15; + } + mfEmlGetMem(keyBlock, sectortrailer, 1); if (!trgKeyType) num_to_bytes(key64, 6, keyBlock); else num_to_bytes(key64, 6, &keyBlock[10]); - mfEmlSetMem(keyBlock, (trgBlockNo / 4) * 4 + 3, 1); + mfEmlSetMem(keyBlock, sectortrailer, 1); } } else { PrintAndLog("No valid key found"); } } else { // ------------------------------------ multiple sectors working - blDiff = blockNo % 4; - PrintAndLog("Block shift=%d", blDiff); - e_sector = calloc(SectorsCnt, sizeof(sector)); + uint64_t msclock1; + msclock1 = msclock(); + + e_sector = calloc(SectorsCnt, sizeof(sector_t)); if (e_sector == NULL) return 1; - //test current key 4 sectors + //test current key and additional standard keys first memcpy(keyBlock, key, 6); - num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 1 * 6)); - num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 2 * 6)); - num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 3 * 6)); - num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 4 * 6)); + num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6)); + num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6)); + num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6)); + num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6)); num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6)); + num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6)); + num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6)); + num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6)); + num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6)); + num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6)); + num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6)); + num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6)); + num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6)); PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt); for (i = 0; i < SectorsCnt; i++) { for (j = 0; j < 2; j++) { if (e_sector[i].foundKey[j]) continue; - res = mfCheckKeys(i * 4 + blDiff, j, 6, keyBlock, &key64); + res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64); if (!res) { e_sector[i].Key[j] = key64; e_sector[i].foundKey[j] = 1; } } - } + } // nested sectors iterations = 0; PrintAndLog("nested..."); + bool calibrate = true; for (i = 0; i < NESTED_SECTOR_RETRY; i++) { - for (trgBlockNo = blDiff; trgBlockNo < SectorsCnt * 4; trgBlockNo = trgBlockNo + 4) + for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { - if (e_sector[trgBlockNo / 4].foundKey[trgKeyType]) continue; - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) continue; + if (e_sector[sectorNo].foundKey[trgKeyType]) continue; + PrintAndLog("-----------------------------------------------"); + int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate); + if(isOK) { + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + default : PrintAndLog("Unknown Error.\n"); + } + free(e_sector); + return 2; + } else { + calibrate = false; + } iterations++; - - //try keys from nested - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, keyBlock, &key64); - if (res) - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, &keyBlock[6 * 8], &key64); - if (!res) { - PrintAndLog("Found valid key:%012"llx, key64); - e_sector[trgBlockNo / 4].foundKey[trgKeyType] = 1; - e_sector[trgBlockNo / 4].Key[trgKeyType] = key64; + + key64 = bytes_to_num(keyBlock, 6); + if (key64) { + PrintAndLog("Found valid key:%012" PRIx64, key64); + e_sector[sectorNo].foundKey[trgKeyType] = 1; + e_sector[sectorNo].Key[trgKeyType] = key64; } } + } } - PrintAndLog("Iterations count: %d", iterations); + printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0); + + PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations); //print them PrintAndLog("|---|----------------|---|----------------|---|"); PrintAndLog("|sec|key A |res|key B |res|"); PrintAndLog("|---|----------------|---|----------------|---|"); for (i = 0; i < SectorsCnt; i++) { - PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i, + PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i, e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]); } PrintAndLog("|---|----------------|---|----------------|---|"); @@ -667,12 +724,12 @@ int CmdHF14AMfNested(const char *Cmd) // transfer them to the emulator if (transferToEml) { for (i = 0; i < SectorsCnt; i++) { - mfEmlGetMem(keyBlock, i * 4 + 3, 1); + mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); if (e_sector[i].foundKey[0]) num_to_bytes(e_sector[i].Key[0], 6, keyBlock); if (e_sector[i].foundKey[1]) num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]); - mfEmlSetMem(keyBlock, i * 4 + 3, 1); + mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); } } @@ -683,8 +740,8 @@ int CmdHF14AMfNested(const char *Cmd) free(e_sector); return 1; } - PrintAndLog("Printing keys to bynary file dumpkeys.bin..."); - for(i=0; i<16; i++) { + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + for(i=0; i "); + PrintAndLog(" [known target key (12 hex symbols)] [w] [s]"); + PrintAndLog(" or hf mf hardnested r [known target key]"); + PrintAndLog(" "); + PrintAndLog("Options: "); + PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin"); + PrintAndLog(" s: Slower acquisition (required by some non standard cards)"); + PrintAndLog(" r: Read nonces.bin and start attack"); + PrintAndLog(" "); + PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w"); + PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s"); + PrintAndLog(" sample4: hf mf hardnested r"); + PrintAndLog(" "); + PrintAndLog("Add the known target key to check if it is present in the remaining key space:"); + PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF"); + return 0; + } + + bool know_target_key = false; + bool nonce_file_read = false; + bool nonce_file_write = false; + bool slow = false; + int tests = 0; + + + if (ctmp == 'R' || ctmp == 'r') { + nonce_file_read = true; + if (!param_gethex(Cmd, 1, trgkey, 12)) { + know_target_key = true; + } + } else if (ctmp == 'T' || ctmp == 't') { + tests = param_get32ex(Cmd, 1, 100, 10); + if (!param_gethex(Cmd, 2, trgkey, 12)) { + know_target_key = true; + } + } else { + blockNo = param_get8(Cmd, 0); + ctmp = param_getchar(Cmd, 1); + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { + PrintAndLog("Key type must be A or B"); + return 1; + } + if (ctmp != 'A' && ctmp != 'a') { + keyType = 1; + } + + if (param_gethex(Cmd, 2, key, 12)) { + PrintAndLog("Key must include 12 HEX symbols"); + return 1; + } + + trgBlockNo = param_get8(Cmd, 3); + ctmp = param_getchar(Cmd, 4); + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { + PrintAndLog("Target key type must be A or B"); + return 1; + } + if (ctmp != 'A' && ctmp != 'a') { + trgKeyType = 1; + } + + uint16_t i = 5; + + if (!param_gethex(Cmd, 5, trgkey, 12)) { + know_target_key = true; + i++; + } + + while ((ctmp = param_getchar(Cmd, i))) { + if (ctmp == 's' || ctmp == 'S') { + slow = true; + } else if (ctmp == 'w' || ctmp == 'W') { + nonce_file_write = true; + } else { + PrintAndLog("Possible options are w and/or s"); + return 1; + } + i++; + } + } + + PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ", + trgBlockNo, + trgKeyType?'B':'A', + trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5], + know_target_key?"":" (not set)", + nonce_file_write?"write":nonce_file_read?"read":"none", + slow?"Yes":"No", + tests); + + int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests); + + if (isOK) { + switch (isOK) { + case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case 2 : PrintAndLog("Button pressed. Aborted.\n"); break; + default : break; + } + return 2; + } + + return 0; } + + int CmdHF14AMfChk(const char *Cmd) { + if (strlen(Cmd)<3) { + PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); + PrintAndLog(" * - all sectors"); + PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); + PrintAndLog("d - write keys to binary file\n"); + PrintAndLog("t - write keys to emulator memory"); + PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); + PrintAndLog(" hf mf chk *1 ? t"); + PrintAndLog(" hf mf chk *1 ? d"); + return 0; + } + FILE * f; - char filename[256]={0}; + char filename[FILE_PATH_SIZE]={0}; char buf[13]; uint8_t *keyBlock = NULL, *p; - uint8_t stKeyBlock = 20; + uint16_t stKeyBlock = 20; int i, res; int keycnt = 0; @@ -745,30 +922,28 @@ int CmdHF14AMfChk(const char *Cmd) keyBlock = calloc(stKeyBlock, 6); if (keyBlock == NULL) return 1; - num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 0 * 6)); // Default key (first key used by program if no user defined key) - num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 1 * 6)); // Blank key - num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 2 * 6)); // NFCForum MAD key - num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 3 * 6)); - num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 4 * 6)); - num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 5 * 6)); - num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 6 * 6)); - num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 7 * 6)); - num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 8 * 6)); - num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 9 * 6)); - num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 10 * 6)); - num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 11 * 6)); - num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 12 * 6)); - - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk /<*card memory> [t] [] []"); - PrintAndLog(" * - all sectors"); - PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); -// PrintAndLog("d - write keys to binary file\n"); - - PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); - PrintAndLog(" hf mf chk *1 ? t"); - return 0; - } + uint64_t defaultKeys[] = + { + 0xffffffffffff, // Default key (first key used by program if no user defined key) + 0x000000000000, // Blank key + 0xa0a1a2a3a4a5, // NFCForum MAD key + 0xb0b1b2b3b4b5, + 0xaabbccddeeff, + 0x4d3a99c351dd, + 0x1a982c7e459a, + 0xd3f7d3f7d3f7, + 0x714c5c886e97, + 0x587ee5f9350f, + 0xa0478cc39091, + 0x533cb6c723f6, + 0x8fd0a4f256e9 + }; + int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t); + + for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++) + { + num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6)); + } if (param_getchar(Cmd, 0)=='*') { blockNo = 3; @@ -796,6 +971,7 @@ int CmdHF14AMfChk(const char *Cmd) break; default: PrintAndLog("Key type must be A , B or ?"); + free(keyBlock); return 1; }; @@ -814,32 +990,26 @@ int CmdHF14AMfChk(const char *Cmd) } keyBlock = p; } - PrintAndLog("chk key[%d] %02x%02x%02x%02x%02x%02x", keycnt, + PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt, (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); keycnt++; } else { // May be a dic file - if ( param_getstr(Cmd, 2 + i,filename) > 255 ) { + if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) { PrintAndLog("File name too long"); free(keyBlock); return 2; } if ( (f = fopen( filename , "r")) ) { - while( !feof(f) ){ - memset(buf, 0, sizeof(buf)); - if (fgets(buf, sizeof(buf), f) == NULL) { - PrintAndLog("File reading error."); - return 2; - } - + while( fgets(buf, sizeof(buf), f) ){ if (strlen(buf) < 12 || buf[11] == '\n') continue; while (fgetc(f) != '\n' && !feof(f)) ; //goto next line - if( buf[0]=='#' ) continue; //The line start with # is remcommnet,skip + if( buf[0]=='#' ) continue; //The line start with # is comment, skip if (!isxdigit(buf[0])){ PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf); @@ -853,55 +1023,61 @@ int CmdHF14AMfChk(const char *Cmd) if (!p) { PrintAndLog("Cannot allocate memory for defKeys"); free(keyBlock); + fclose(f); return 2; } keyBlock = p; } memset(keyBlock + 6 * keycnt, 0, 6); num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt); - PrintAndLog("chk custom key[%d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6)); + PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6)); keycnt++; + memset(buf, 0, sizeof(buf)); } + fclose(f); } else { PrintAndLog("File: %s: not found or locked.", filename); free(keyBlock); return 1; - fclose(f); + } } } if (keycnt == 0) { - PrintAndLog("No key specified,try default keys"); - for (;keycnt <=12; keycnt++) - PrintAndLog("chk default key[%d] %02x%02x%02x%02x%02x%02x", keycnt, - (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], - (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); + PrintAndLog("No key specified, trying default keys"); + for (;keycnt < defaultKeysSize; keycnt++) + PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt, + (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], + (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); + } + + // initialize storage for found keys + bool validKey[2][40]; + uint8_t foundKey[2][40][6]; + for (uint16_t t = 0; t < 2; t++) { + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + validKey[t][sectorNo] = false; + for (uint16_t i = 0; i < 6; i++) { + foundKey[t][sectorNo][i] = 0xff; + } + } } - for ( int t = !keyType ; t < 2 ; keyType==2?(t++):(t=2) ) { + for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) { int b=blockNo; - for (int i=0; i8?8:keycnt; - for (int c = 0; c < keycnt; c+=size) { - size=keycnt-c>8?8:keycnt-c; - res = mfCheckKeys(b, t, size, keyBlock +6*c, &key64); - if (res !=1) { + for (int i = 0; i < SectorsCnt; ++i) { + PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt); + uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt; + for (uint32_t c = 0; c < keycnt; c+=max_keys) { + uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c; + res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64); + if (res != 1) { if (!res) { - PrintAndLog("Found valid key:[%012"llx"]",key64); - if (transferToEml) { - uint8_t block[16]; - mfEmlGetMem(block, get_trailer_block(b), 1); - num_to_bytes(key64, 6, block + t*10); - mfEmlSetMem(block, get_trailer_block(b), 1); - } - break; - } - else { - printf("Not found yet, keycnt:%d\r", c+size); - fflush(stdout); - } + PrintAndLog("Found valid key:[%012" PRIx64 "]",key64); + num_to_bytes(key64, 6, foundKey[t][i]); + validKey[t][i] = true; + } } else { PrintAndLog("Command execute timeout"); } @@ -909,78 +1085,364 @@ int CmdHF14AMfChk(const char *Cmd) b<127?(b+=4):(b+=16); } } - - free(keyBlock); -/* - // Create dump file + if (transferToEml) { + uint8_t block[16]; + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + if (validKey[0][sectorNo] || validKey[1][sectorNo]) { + mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + for (uint16_t t = 0; t < 2; t++) { + if (validKey[t][sectorNo]) { + memcpy(block + t*10, foundKey[t][sectorNo], 6); + } + } + mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + } + } + PrintAndLog("Found keys have been transferred to the emulator memory"); + } + if (createDumpFile) { - if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { + FILE *fkeys = fopen("dumpkeys.bin","wb"); + if (fkeys == NULL) { PrintAndLog("Could not create file dumpkeys.bin"); - free(e_sector); + free(keyBlock); return 1; } - PrintAndLog("Printing keys to bynary file dumpkeys.bin..."); - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[0]){ - num_to_bytes(e_sector[i].Key[0], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); + for (uint16_t t = 0; t < 2; t++) { + fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys); + } + fclose(fkeys); + PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys."); + } + + free(keyBlock); + PrintAndLog(""); + return 0; +} + +void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) { + #define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim() + // cannot be more than 7 or it will overrun c.d.asBytes(512) + uint64_t key = 0; + typedef struct { + uint64_t keyA; + uint64_t keyB; + } st_t; + st_t sector_trailer[ATTACK_KEY_COUNT]; + memset(sector_trailer, 0x00, sizeof(sector_trailer)); + + uint8_t stSector[ATTACK_KEY_COUNT]; + memset(stSector, 0x00, sizeof(stSector)); + uint8_t key_cnt[ATTACK_KEY_COUNT]; + memset(key_cnt, 0x00, sizeof(key_cnt)); + + for (uint8_t i = 0; i 0) { + //PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2); + if (doStandardAttack && mfkey32(ar_resp[i], &key)) { + PrintAndLog(" Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF)); + + for (uint8_t ii = 0; ii0) { + uint8_t memBlock[16]; + memset(memBlock, 0x00, sizeof(memBlock)); + char cmd1[36]; + memset(cmd1,0x00,sizeof(cmd1)); + snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF)); + PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1); + if (param_gethex(cmd1, 0, memBlock, 32)) { + PrintAndLog("block data must include 32 HEX symbols"); + return; + } + + UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}}; + memcpy(c.d.asBytes, memBlock, 16); + clearCommandBuffer(); + SendCommand(&c); } - else{ - fwrite ( &standart, 1, 6, fkeys ); + } + } + /* + //un-comment to use as well moebius attack + for (uint8_t i = ATTACK_KEY_COUNT; i 0) { + if (tryMfk32_moebius(ar_resp[i], &key)) { + PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF)); } } - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[1]){ - num_to_bytes(e_sector[i].Key[1], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); + }*/ +} + +int usage_hf14_mf1ksim(void) { + PrintAndLog("Usage: hf mf sim h u n i x"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" u (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used"); + PrintAndLog(" n (Optional) Automatically exit simulation after blocks have been read by reader. 0 = infinite"); + PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted"); + PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)"); + PrintAndLog(" e (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)"); + PrintAndLog(" f (Optional) get UIDs to use for 'reader attack' from file 'f ' (implies x and i)"); + PrintAndLog(" r (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works."); + PrintAndLog("samples:"); + PrintAndLog(" hf mf sim u 0a0a0a0a"); + PrintAndLog(" hf mf sim u 11223344556677"); + PrintAndLog(" hf mf sim u 112233445566778899AA"); + PrintAndLog(" hf mf sim f uids.txt"); + PrintAndLog(" hf mf sim u 0a0a0a0a e"); + + return 0; +} + +int CmdHF14AMf1kSim(const char *Cmd) { + UsbCommand resp; + uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + uint8_t exitAfterNReads = 0; + uint8_t flags = 0; + int uidlen = 0; + uint8_t pnr = 0; + bool setEmulatorMem = false; + bool attackFromFile = false; + FILE *f; + char filename[FILE_PATH_SIZE]; + memset(filename, 0x00, sizeof(filename)); + int len = 0; + char buf[64]; + + uint8_t cmdp = 0; + bool errors = false; + + while(param_getchar(Cmd, cmdp) != 0x00) { + switch(param_getchar(Cmd, cmdp)) { + case 'e': + case 'E': + setEmulatorMem = true; + //implies x and i + flags |= FLAG_INTERACTIVE; + flags |= FLAG_NR_AR_ATTACK; + cmdp++; + break; + case 'f': + case 'F': + len = param_getstr(Cmd, cmdp+1, filename); + if (len < 1) { + PrintAndLog("error no filename found"); + return 0; } - else{ - fwrite ( &standart, 1, 6, fkeys ); + attackFromFile = true; + //implies x and i + flags |= FLAG_INTERACTIVE; + flags |= FLAG_NR_AR_ATTACK; + cmdp += 2; + break; + case 'h': + case 'H': + return usage_hf14_mf1ksim(); + case 'i': + case 'I': + flags |= FLAG_INTERACTIVE; + cmdp++; + break; + case 'n': + case 'N': + exitAfterNReads = param_get8(Cmd, pnr+1); + cmdp += 2; + break; + case 'r': + case 'R': + flags |= FLAG_RANDOM_NONCE; + cmdp++; + break; + case 'u': + case 'U': + param_gethex_ex(Cmd, cmdp+1, uid, &uidlen); + switch(uidlen) { + case 20: flags = FLAG_10B_UID_IN_DATA; break; //not complete + case 14: flags = FLAG_7B_UID_IN_DATA; break; + case 8: flags = FLAG_4B_UID_IN_DATA; break; + default: return usage_hf14_mf1ksim(); } + cmdp += 2; + break; + case 'x': + case 'X': + flags |= FLAG_NR_AR_ATTACK; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; } - fclose(fkeys); + if(errors) break; } -*/ - return 0; -} + //Validations + if(errors) return usage_hf14_mf1ksim(); -int CmdHF14AMf1kSim(const char *Cmd) -{ - uint8_t uid[4] = {0, 0, 0, 0}; - - if (param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf sim "); - PrintAndLog(" sample: hf mf sim 0a0a0a0a "); - return 0; - } - - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { - PrintAndLog("UID must include 8 HEX symbols"); - return 1; + //get uid from file + if (attackFromFile) { + int count = 0; + // open file + f = fopen(filename, "r"); + if (f == NULL) { + PrintAndLog("File %s not found or locked", filename); + return 1; + } + PrintAndLog("Loading file and simulating. Press keyboard to abort"); + while(!feof(f) && !ukbhit()){ + memset(buf, 0, sizeof(buf)); + memset(uid, 0, sizeof(uid)); + + if (fgets(buf, sizeof(buf), f) == NULL) { + if (count > 0) break; + + PrintAndLog("File reading error."); + fclose(f); + return 2; + } + if(!strlen(buf) && feof(f)) break; + + uidlen = strlen(buf)-1; + switch(uidlen) { + case 20: flags |= FLAG_10B_UID_IN_DATA; break; //not complete + case 14: flags |= FLAG_7B_UID_IN_DATA; break; + case 8: flags |= FLAG_4B_UID_IN_DATA; break; + default: + PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf); + fclose(f); + return 2; + } + + for (uint8_t i = 0; i < uidlen; i += 2) { + sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]); + } + + PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort", + flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4): + flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): + flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A" + , exitAfterNReads, flags, flags); + + UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}}; + memcpy(c.d.asBytes, uid, sizeof(uid)); + clearCommandBuffer(); + SendCommand(&c); + + while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + //We're waiting only 1.5 s at a time, otherwise we get the + // annoying message about "Waiting for a response... " + } + //got a response + nonces_t ar_resp[ATTACK_KEY_COUNT*2]; + memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp)); + // We can skip the standard attack if we have RANDOM_NONCE set. + readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE)); + if ((bool)resp.arg[1]) { + PrintAndLog("Device button pressed - quitting"); + fclose(f); + return 4; + } + count++; + } + fclose(f); + } else { //not from file + + PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ", + flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4): + flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): + flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A" + , exitAfterNReads, flags, flags); + + UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}}; + memcpy(c.d.asBytes, uid, sizeof(uid)); + clearCommandBuffer(); + SendCommand(&c); + + if(flags & FLAG_INTERACTIVE) { + PrintAndLog("Press pm3-button to abort simulation"); + while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + //We're waiting only 1.5 s at a time, otherwise we get the + // annoying message about "Waiting for a response... " + } + //got a response + if (flags & FLAG_NR_AR_ATTACK) { + nonces_t ar_resp[ATTACK_KEY_COUNT*2]; + memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp)); + // We can skip the standard attack if we have RANDOM_NONCE set. + readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE)); + } + } } - PrintAndLog(" uid:%s ", sprint_hex(uid, 4)); - - UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}}; - memcpy(c.d.asBytes, uid, 4); - SendCommand(&c); - return 0; + return 0; } int CmdHF14AMfDbg(const char *Cmd) { int dbgMode = param_get32ex(Cmd, 0, 0, 10); if (dbgMode > 4) { - PrintAndLog("Max debud mode parameter is 4 \n"); + PrintAndLog("Max debug mode parameter is 4 \n"); } if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) { PrintAndLog("Usage: hf mf dbg "); PrintAndLog(" 0 - no debug messages"); PrintAndLog(" 1 - error messages"); - PrintAndLog(" 2 - all messages"); - PrintAndLog(" 4 - extended debug mode"); + PrintAndLog(" 2 - plus information messages"); + PrintAndLog(" 3 - plus debug messages"); + PrintAndLog(" 4 - print even debug messages in timing critical functions"); + PrintAndLog(" Note: this option therefore may cause malfunction itself"); return 0; } @@ -993,8 +1455,7 @@ int CmdHF14AMfDbg(const char *Cmd) int CmdHF14AMfEGet(const char *Cmd) { uint8_t blockNo = 0; - uint8_t data[3 * 16]; - int i; + uint8_t data[16] = {0x00}; if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { PrintAndLog("Usage: hf mf eget "); @@ -1005,10 +1466,8 @@ int CmdHF14AMfEGet(const char *Cmd) blockNo = param_get8(Cmd, 0); PrintAndLog(" "); - if (!mfEmlGetMem(data, blockNo, 3)) { - for (i = 0; i < 3; i++) { - PrintAndLog("data[%d]:%s", blockNo + i, sprint_hex(data + i * 16, 16)); - } + if (!mfEmlGetMem(data, blockNo, 1)) { + PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16)); } else { PrintAndLog("Command execute timeout"); } @@ -1029,6 +1488,7 @@ int CmdHF14AMfEClear(const char *Cmd) return 0; } + int CmdHF14AMfESet(const char *Cmd) { uint8_t memBlock[16]; @@ -1050,35 +1510,51 @@ int CmdHF14AMfESet(const char *Cmd) } // 1 - blocks count - UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}}; + UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}}; memcpy(c.d.asBytes, memBlock, 16); - SendCommand(&c); - return 0; + SendCommand(&c); + return 0; } + int CmdHF14AMfELoad(const char *Cmd) { FILE * f; - char filename[20]; - char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; - int i, len, blockNum; + char filename[FILE_PATH_SIZE]; + char *fnameptr = filename; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; + int i, len, blockNum, numBlocks; + int nameParamNo = 1; - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); - - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 0x00) { PrintAndLog("It loads emul dump from the file `filename.eml`"); - PrintAndLog("Usage: hf mf eload "); + PrintAndLog("Usage: hf mf eload [card memory] "); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); PrintAndLog(" sample: hf mf eload filename"); + PrintAndLog(" hf mf eload 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + + len = param_getstr(Cmd,nameParamNo,filename); + + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; - memcpy(filename, Cmd, len); fnameptr += len; sprintf(fnameptr, ".eml"); @@ -1086,199 +1562,309 @@ int CmdHF14AMfELoad(const char *Cmd) // open file f = fopen(filename, "r"); if (f == NULL) { - PrintAndLog("File not found or locked."); + PrintAndLog("File %s not found or locked", filename); return 1; } blockNum = 0; while(!feof(f)){ memset(buf, 0, sizeof(buf)); + if (fgets(buf, sizeof(buf), f) == NULL) { - PrintAndLog("File reading error."); + + if (blockNum >= numBlocks) break; + + PrintAndLog("File reading error."); + fclose(f); return 2; - } - + } + if (strlen(buf) < 32){ if(strlen(buf) && feof(f)) break; PrintAndLog("File content error. Block data must include 32 HEX symbols"); + fclose(f); return 2; } - for (i = 0; i < 32; i += 2) - sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); -// PrintAndLog("data[%02d]:%s", blockNum, sprint_hex(buf8, 16)); - + + for (i = 0; i < 32; i += 2) { + sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); + } + if (mfEmlSetMem(buf8, blockNum, 1)) { - PrintAndLog("Cant set emul block: %d", blockNum); + PrintAndLog("Cant set emul block: %3d", blockNum); + fclose(f); return 3; } + printf("."); blockNum++; - if (blockNum >= 32 * 4 + 8 * 16) break; + if (blockNum >= numBlocks) break; } fclose(f); + printf("\n"); - if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){ - PrintAndLog("File content error. There must be 64 blocks"); + if ((blockNum != numBlocks)) { + PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks); return 4; } - PrintAndLog("Loaded from file: %s", filename); - return 0; + PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename); + return 0; } + int CmdHF14AMfESave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t buf[64]; - int i, j, len; + int i, j, len, numBlocks; + int nameParamNo = 1; memset(filename, 0, sizeof(filename)); memset(buf, 0, sizeof(buf)); - if (param_getchar(Cmd, 0) == 'h') { + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H') { PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`"); - PrintAndLog("Usage: hf mf esave [file name w/o `.eml`]"); + PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); PrintAndLog(" sample: hf mf esave "); - PrintAndLog(" hf mf esave filename"); + PrintAndLog(" hf mf esave 4"); + PrintAndLog(" hf mf esave 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + + len = param_getstr(Cmd,nameParamNo,filename); + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + + // user supplied filename? if (len < 1) { - // get filename + // get filename (UID from memory) if (mfEmlGetMem(buf, 0, 1)) { - PrintAndLog("Cant get block: %d", 0); - return 1; + PrintAndLog("Can\'t get UID from block: %d", 0); + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } + else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02X", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); } else { - memcpy(filename, Cmd, len); fnameptr += len; } + // add file extension sprintf(fnameptr, ".eml"); // open file f = fopen(filename, "w+"); + if ( !f ) { + PrintAndLog("Can't open file %s ", filename); + return 1; + } + // put hex - for (i = 0; i < 32 * 4 + 8 * 16; i++) { + for (i = 0; i < numBlocks; i++) { if (mfEmlGetMem(buf, i, 1)) { PrintAndLog("Cant get block: %d", i); break; } for (j = 0; j < 16; j++) - fprintf(f, "%02x", buf[j]); + fprintf(f, "%02X", buf[j]); fprintf(f,"\n"); } fclose(f); - PrintAndLog("Saved to file: %s", filename); + PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename); return 0; } + int CmdHF14AMfECFill(const char *Cmd) { uint8_t keyType = 0; - + uint8_t numSectors = 16; + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf efill "); - PrintAndLog("sample: hf mf efill A"); - PrintAndLog("Card data blocks transfers to card emulator memory."); - PrintAndLog("Keys must be laid in the simulator memory. \n"); + PrintAndLog("Usage: hf mf ecfill [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("samples: hf mf ecfill A"); + PrintAndLog(" hf mf ecfill A 4"); + PrintAndLog("Read card and transfer its data to emulator memory."); + PrintAndLog("Keys must be laid in the emulator memory. \n"); return 0; } char ctmp = param_getchar(Cmd, 0); - if (ctmp == 0x00) { + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } if (ctmp != 'A' && ctmp != 'a') keyType = 1; - UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {0, keyType, 0}}; - SendCommand(&c); - return 0; + ctmp = param_getchar(Cmd, 1); + switch (ctmp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + + printf("--params: numSectors: %d, keyType:%d", numSectors, keyType); + UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}}; + SendCommand(&c); + return 0; } + int CmdHF14AMfEKeyPrn(const char *Cmd) { - int i,b=-1; + int i; + uint8_t numSectors; uint8_t data[16]; uint64_t keyA, keyB; + if (param_getchar(Cmd, 0) == 'h') { + PrintAndLog("It prints the keys loaded in the emulator memory"); + PrintAndLog("Usage: hf mf ekeyprn [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog(" sample: hf mf ekeyprn 1"); + return 0; + } + + char cmdp = param_getchar(Cmd, 0); + + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + PrintAndLog("|---|----------------|----------------|"); PrintAndLog("|sec|key A |key B |"); PrintAndLog("|---|----------------|----------------|"); - for (i = 0; i < 40; i++) { - b<127?(b+=4):(b+=16); - if (mfEmlGetMem(data, b, 1)) { - PrintAndLog("error get block %d", b); + for (i = 0; i < numSectors; i++) { + if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) { + PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1); break; } keyA = bytes_to_num(data, 6); keyB = bytes_to_num(data + 10, 6); - PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB); + PrintAndLog("|%03d| %012" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB); } PrintAndLog("|---|----------------|----------------|"); return 0; } + int CmdHF14AMfCSetUID(const char *Cmd) { uint8_t wipeCard = 0; - uint8_t uid[8]; - uint8_t oldUid[8]; + uint8_t uid[8] = {0x00}; + uint8_t oldUid[8] = {0x00}; + uint8_t atqa[2] = {0x00}; + uint8_t sak[1] = {0x00}; + uint8_t atqaPresent = 1; int res; - - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetuid "); - PrintAndLog("sample: hf mf csetuid 01020304 w"); - PrintAndLog("Set UID for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + char ctmp; + int argi=0; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') { + PrintAndLog("Usage: hf mf csetuid [ATQA 4 hex symbols SAK 2 hex symbols] [w]"); + PrintAndLog("sample: hf mf csetuid 01020304"); + PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w"); + PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line."); return 0; - } + } - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { + if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) { PrintAndLog("UID must include 8 HEX symbols"); return 1; } + argi++; - char ctmp = param_getchar(Cmd, 1); - if (ctmp == 'w' || ctmp == 'W') wipeCard = 1; - - PrintAndLog("--wipe card:%02x uid:%s", wipeCard, sprint_hex(uid, 4)); + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + atqaPresent = 0; + } - res = mfCSetUID(uid, oldUid, wipeCard); + if (atqaPresent) { + if (param_getchar(Cmd, argi)) { + if (param_gethex(Cmd, argi, atqa, 4)) { + PrintAndLog("ATQA must include 4 HEX symbols"); + return 1; + } + argi++; + if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) { + PrintAndLog("SAK must include 2 HEX symbols"); + return 1; + } + argi++; + } else + atqaPresent = 0; + } + + if(!wipeCard) { + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + } + } + + PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4)); + + res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard); if (res) { PrintAndLog("Can't set UID. error=%d", res); return 1; } PrintAndLog("old UID:%s", sprint_hex(oldUid, 4)); + PrintAndLog("new UID:%s", sprint_hex(uid, 4)); return 0; } int CmdHF14AMfCSetBlk(const char *Cmd) { - uint8_t uid[8]; - uint8_t memBlock[16]; + uint8_t memBlock[16] = {0x00}; uint8_t blockNo = 0; + bool wipeCard = false; int res; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetblk "); + PrintAndLog("Usage: hf mf csetblk [w]"); PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516"); - PrintAndLog("Set block data for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + PrintAndLog("Set block data for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line"); return 0; } @@ -1289,33 +1875,31 @@ int CmdHF14AMfCSetBlk(const char *Cmd) return 1; } - PrintAndLog("--block number:%02x data:%s", blockNo, sprint_hex(memBlock, 16)); + char ctmp = param_getchar(Cmd, 2); + wipeCard = (ctmp == 'w' || ctmp == 'W'); + PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16)); - res = mfCSetBlock(blockNo, memBlock, uid, 0, CSETBLOCK_SINGLE_OPER); + res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER); if (res) { - PrintAndLog("Can't write block. error=%d", res); - return 1; - } - - PrintAndLog("UID:%s", sprint_hex(uid, 4)); + PrintAndLog("Can't write block. error=%d", res); + return 1; + } return 0; } + int CmdHF14AMfCLoad(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE] = {0x00}; char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; uint8_t fillFromEmulator = 0; - int i, len, blockNum, flags; + int i, len, blockNum, flags=0; - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { - PrintAndLog("It loads magic Chinese card (only works with!!!) from the file `filename.eml`"); + PrintAndLog("It loads magic Chinese card from the file `filename.eml`"); PrintAndLog("or from emulator memory (option `e`)"); PrintAndLog("Usage: hf mf cload "); PrintAndLog(" or: hf mf cload e "); @@ -1327,15 +1911,14 @@ int CmdHF14AMfCLoad(const char *Cmd) if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) { if (mfEmlGetMem(buf8, blockNum, 1)) { PrintAndLog("Cant get block: %d", blockNum); return 2; } - - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field. if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { PrintAndLog("Cant set magic card block: %d", blockNum); @@ -1345,7 +1928,7 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; memcpy(filename, Cmd, len); fnameptr += len; @@ -1360,28 +1943,33 @@ int CmdHF14AMfCLoad(const char *Cmd) } blockNum = 0; - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; while(!feof(f)){ + memset(buf, 0, sizeof(buf)); + if (fgets(buf, sizeof(buf), f) == NULL) { - PrintAndLog("File reading error."); - return 2; - } + fclose(f); + PrintAndLog("File reading error."); + return 2; + } - if (strlen(buf) < 32){ + if (strlen(buf) < 32) { if(strlen(buf) && feof(f)) break; PrintAndLog("File content error. Block data must include 32 HEX symbols"); + fclose(f); return 2; } for (i = 0; i < 32; i += 2) sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field. if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { - PrintAndLog("Cant set magic card block: %d", blockNum); + PrintAndLog("Can't set magic card block: %d", blockNum); + fclose(f); return 3; } blockNum++; @@ -1397,6 +1985,7 @@ int CmdHF14AMfCLoad(const char *Cmd) PrintAndLog("Loaded from file: %s", filename); return 0; } + return 0; } int CmdHF14AMfCGetBlk(const char *Cmd) { @@ -1408,13 +1997,13 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { PrintAndLog("Usage: hf mf cgetblk "); PrintAndLog("sample: hf mf cgetblk 1"); - PrintAndLog("Get block data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n"); return 0; } blockNo = param_get8(Cmd, 0); - PrintAndLog("--block number:%02x ", blockNo); + PrintAndLog("--block number:%2d ", blockNo); res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER); if (res) { @@ -1426,16 +2015,16 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { return 0; } + int CmdHF14AMfCGetSc(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t memBlock[16] = {0x00}; uint8_t sectorNo = 0; int i, res, flags; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { PrintAndLog("Usage: hf mf cgetsc "); PrintAndLog("sample: hf mf cgetsc 0"); - PrintAndLog("Get sector data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n"); return 0; } @@ -1445,7 +2034,7 @@ int CmdHF14AMfCGetSc(const char *Cmd) { return 1; } - PrintAndLog("--sector number:%02x ", sectorNo); + PrintAndLog("--sector number:%d ", sectorNo); flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (i = 0; i < 4; i++) { @@ -1454,26 +2043,27 @@ int CmdHF14AMfCGetSc(const char *Cmd) { res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags); if (res) { - PrintAndLog("Can't read block. %02x error=%d", sectorNo * 4 + i, res); + PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res); return 1; } - PrintAndLog("block %02x data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); + PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); } return 0; } + int CmdHF14AMfCSave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE] = {0x00}; char * fnameptr = filename; uint8_t fillFromEmulator = 0; - uint8_t buf[64]; + uint8_t buf[64] = {0x00}; int i, j, len, flags; - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); + // memset(filename, 0, sizeof(filename)); + // memset(buf, 0, sizeof(buf)); if (param_getchar(Cmd, 0) == 'h') { PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`"); @@ -1508,16 +2098,19 @@ int CmdHF14AMfCSave(const char *Cmd) { return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; if (len < 1) { // get filename if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) { PrintAndLog("Cant get block: %d", 0); - return 1; + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } + else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02x", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); } else { memcpy(filename, Cmd, len); fnameptr += len; @@ -1528,6 +2121,11 @@ int CmdHF14AMfCSave(const char *Cmd) { // open file f = fopen(filename, "w+"); + if (f == NULL) { + PrintAndLog("File not found or locked."); + return 1; + } + // put hex flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (i = 0; i < 16 * 4; i++) { @@ -1550,8 +2148,9 @@ int CmdHF14AMfCSave(const char *Cmd) { } } + int CmdHF14AMfSniff(const char *Cmd){ - // params + bool wantLogToFile = 0; bool wantDecrypt = 0; //bool wantSaveToEml = 0; TODO @@ -1561,31 +2160,32 @@ int CmdHF14AMfSniff(const char *Cmd){ int res = 0; int len = 0; int blockLen = 0; - int num = 0; int pckNum = 0; - uint8_t uid[8]; - uint8_t atqa[2]; + int num = 0; + uint8_t uid[7]; + uint8_t uid_len; + uint8_t atqa[2] = {0x00}; uint8_t sak; bool isTag; - uint32_t parity; - uint8_t buf[3000]; - uint8_t * bufPtr = buf; - memset(buf, 0x00, 3000); + uint8_t *buf = NULL; + uint16_t bufsize = 0; + uint8_t *bufPtr = NULL; - if (param_getchar(Cmd, 0) == 'h') { - PrintAndLog("It continuously get data from the field and saves it to: log, emulator, emulator file."); + char ctmp = param_getchar(Cmd, 0); + if ( ctmp == 'h' || ctmp == 'H' ) { + PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file."); PrintAndLog("You can specify:"); PrintAndLog(" l - save encrypted sequence to logfile `uid.log`"); PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`"); PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); - PrintAndLog(" r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); - PrintAndLog("Usage: hf mf sniff [l][d][e][r]"); + PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); + PrintAndLog("Usage: hf mf sniff [l][d][e][f]"); PrintAndLog(" sample: hf mf sniff l d e"); return 0; } for (int i = 0; i < 4; i++) { - char ctmp = param_getchar(Cmd, i); + ctmp = param_getchar(Cmd, i); if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true; if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true; //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO @@ -1598,8 +2198,9 @@ int CmdHF14AMfSniff(const char *Cmd){ printf("Press the key on pc keyboard to abort the client.\n"); printf("-------------------------------------------------------------------------\n"); - UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}}; - SendCommand(&c); + UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}}; + clearCommandBuffer(); + SendCommand(&c); // wait cycle while (true) { @@ -1611,88 +2212,131 @@ int CmdHF14AMfSniff(const char *Cmd){ break; } - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) { + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) { res = resp.arg[0] & 0xff; - len = resp.arg[1]; - num = resp.arg[2]; - - if (res == 0) return 0; - if (res == 1) { - if (num ==0) { + uint16_t traceLen = resp.arg[1]; + len = resp.arg[2]; + + if (res == 0) { // we are done + free(buf); + return 0; + } + + if (res == 1) { // there is (more) data to be transferred + if (pckNum == 0) { // first packet, (re)allocate necessary buffer + if (traceLen > bufsize || buf == NULL) { + uint8_t *p; + if (buf == NULL) { // not yet allocated + p = malloc(traceLen); + } else { // need more memory + p = realloc(buf, traceLen); + } + if (p == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(buf); + return 2; + } + buf = p; + } bufPtr = buf; - memset(buf, 0x00, 3000); + bufsize = traceLen; + memset(buf, 0x00, traceLen); } memcpy(bufPtr, resp.d.asBytes, len); bufPtr += len; pckNum++; } - if (res == 2) { + + if (res == 2) { // received all data, start displaying blockLen = bufPtr - buf; bufPtr = buf; printf(">\n"); PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum); - num = 0; - while (bufPtr - buf + 9 < blockLen) { - isTag = bufPtr[3] & 0x80 ? true:false; - bufPtr += 4; - parity = *((uint32_t *)(bufPtr)); - bufPtr += 4; - len = bufPtr[0]; - bufPtr++; - if ((len == 14) && (bufPtr[0] = 0xff) && (bufPtr[1] = 0xff)) { + while (bufPtr - buf < blockLen) { + bufPtr += 6; // skip (void) timing information + len = *((uint16_t *)bufPtr); + if(len & 0x8000) { + isTag = true; + len &= 0x7fff; + } else { + isTag = false; + } + bufPtr += 2; + if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) { memcpy(uid, bufPtr + 2, 7); memcpy(atqa, bufPtr + 2 + 7, 2); + uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4; sak = bufPtr[11]; - - PrintAndLog("tag select uid:%s atqa:%02x %02x sak:0x%02x", sprint_hex(uid, 7), atqa[0], atqa[1], sak); - if (wantLogToFile) { - FillFileNameByUID(logHexFileName, uid, ".log", 7); + PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x", + sprint_hex(uid + (7 - uid_len), uid_len), + atqa[1], + atqa[0], + sak); + if (wantLogToFile || wantDecrypt) { + FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len); AddLogCurrentDT(logHexFileName); } - if (wantDecrypt) mfTraceInit(uid, atqa, sak, wantSaveToEmlFile); + if (wantDecrypt) + mfTraceInit(uid, atqa, sak, wantSaveToEmlFile); } else { PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len)); - if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); - if (wantDecrypt) mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile); + if (wantLogToFile) + AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); + if (wantDecrypt) + mfTraceDecode(bufPtr, len, wantSaveToEmlFile); + num++; } bufPtr += len; - num++; + bufPtr += ((len-1)/8+1); // ignore parity } + pckNum = 0; } - } // resp not NILL + } // resp not NULL } // while (true) - return 0; + + free(buf); + return 0; +} + +//needs nt, ar, at, Data to decrypt +int CmdDecryptTraceCmds(const char *Cmd){ + uint8_t data[50]; + int len = 0; + param_gethex_ex(Cmd,3,data,&len); + return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2); } static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"}, - {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, - {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, - {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, - {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, - {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, - {"chk", CmdHF14AMfChk, 0, "Test block keys"}, - {"mifare", CmdHF14AMifare, 0, "Read parity error messages. param - "}, - {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, - {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"}, - {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"}, - {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, - {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"}, - {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"}, - {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"}, - {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"}, - {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"}, - {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"}, - {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"}, - {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block into magic Chinese card"}, - {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block from magic Chinese card"}, - {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector from magic Chinese card"}, - {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"}, - {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, - {NULL, NULL, 0, NULL} + {"help", CmdHelp, 1, "This help"}, + {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"}, + {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, + {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, + {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, + {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, + {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, + {"chk", CmdHF14AMfChk, 0, "Test block keys"}, + {"mifare", CmdHF14AMifare, 0, "Read parity error messages."}, + {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"}, + {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, + {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"}, + {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"}, + {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, + {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"}, + {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"}, + {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"}, + {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"}, + {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"}, + {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"}, + {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"}, + {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"}, + {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"}, + {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"}, + {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"}, + {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, + {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"}, + {NULL, NULL, 0, NULL} }; int CmdHFMF(const char *Cmd)