X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/26fdb4ab49f74415b43363d999063261ed4cb9da..0c50084a2b7f5172796582441c3ce9204a752fc8:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 742b7b3b..48e78b1c 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -1,5 +1,5 @@ //----------------------------------------------------------------------------- -// Copyright (C) 2011 Merlok +// Copyright (C) 2011,2012 Merlok // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of @@ -9,78 +9,82 @@ //----------------------------------------------------------------------------- #include "cmdhfmf.h" -#include "proxmark3.h" static int CmdHelp(const char *Cmd); int CmdHF14AMifare(const char *Cmd) { uint32_t uid = 0; - uint32_t nt = 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[6] = {0,0,0,0,0,0}; - - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, keyBlock, 8)) { - PrintAndLog("Nt must include 8 HEX symbols"); - return 1; - } - - UsbCommand c = {CMD_READER_MIFARE, {(uint32_t)bytes_to_num(keyBlock, 4), 0, 0}}; - SendCommand(&c); - - //flush queue - while (ukbhit()) getchar(); + int16_t isOK = 0; + + UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}}; // message printf("-------------------------------------------------------------------------\n"); - printf("Executing command. It may take up to 30 min.\n"); - printf("Press the key on proxmark3 device to abort proxmark3.\n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Executing command. Expected execution time: 25sec on average :-)\n"); + printf("Press button 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("."); + printf("."); + fflush(stdout); if (ukbhit()) { getchar(); printf("\naborted via keyboard!\n"); break; } - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000); - if (resp != NULL) { - 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); - + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) { + isOK = resp.arg[0]; + 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"); - PrintAndLog("isOk:%02x", isOK); - if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n"); + switch (isOK) { + case -1 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; + case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; + 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.\n"); break; + default: ; + } break; } } + printf("\n"); // error if (isOK != 1) return 1; // execute original function from util nonce2key - if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2; - printf("------------------------------------------------------------------\n"); - PrintAndLog("Key found:%012llx \n", r_key); - - num_to_bytes(r_key, 6, keyBlock); - isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key); - if (!isOK) - PrintAndLog("Found valid key:%012llx", r_key); - else - PrintAndLog("Found invalid key. ( Nt=%08x", nt); - + 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); + PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce..."); + c.arg[0] = false; + goto start; + } else { + isOK = 0; + printf("------------------------------------------------------------------\n"); + PrintAndLog("Found valid key:%012"llx" \n", r_key); + } + PrintAndLog(""); return 0; } @@ -114,18 +118,17 @@ 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}}; memcpy(c.d.asBytes, key, 6); memcpy(c.d.asBytes + 10, bldata, 16); SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; PrintAndLog("isOk:%02x", isOK); } else { PrintAndLog("Command execute timeout"); @@ -160,16 +163,16 @@ 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); SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t * data = resp->d.asBytes; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + 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)); @@ -188,10 +191,8 @@ 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) { @@ -201,12 +202,12 @@ 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; } @@ -215,234 +216,313 @@ 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); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); + SendCommand(&c); PrintAndLog(" "); - if (resp != NULL) { - isOK = resp->arg[0] & 0xff; - data = resp->d.asBytes; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + isOK = resp.arg[0] & 0xff; + 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 - resp = WaitForResponseTimeout(CMD_ACK, 500); - PrintAndLog(" "); + return 0; +} - if (resp != NULL) { - isOK = resp->arg[0] & 0xff; - data = resp->d.asBytes; +uint8_t FirstBlockOfSector(uint8_t sectorNo) +{ + if (sectorNo < 32) { + return sectorNo * 4; + } else { + return 32 * 4 + (sectorNo - 32) * 16; + } +} - if (isOK) - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); - } +uint8_t NumBlocksPerSector(uint8_t sectorNo) +{ + if (sectorNo < 32) { + return 4; } else { - PrintAndLog("Command2 execute timeout"); + return 16; } - - return 0; } -int CmdHF14AMfDump1k(const char *Cmd) +int CmdHF14AMfDump(const char *Cmd) { - int i, j; + uint8_t sectorNo, blockNo; - uint8_t keyType = 0; - uint8_t c[3][4]; - uint8_t keyA[16][6]; - uint8_t keyB[16][6]; - uint8_t rights[16][4]; + uint8_t keyA[40][6]; + uint8_t keyB[40][6]; + uint8_t rights[40][4]; + uint8_t carddata[256][16]; + uint8_t numSectors = 16; - uint8_t isOK = 0; - uint8_t *data = NULL; - FILE *fin; FILE *fout; - UsbCommand *resp; + 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 keys.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 dump.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++) { - fread ( keyA[i], 1, 6, fin ); - } - for (i=0 ; i<16 ; i++) { - fread ( keyB[i], 1, 6, fin ); + // Read keys A from file + for (sectorNo=0; sectorNoarg[0] & 0xff; - uint8_t *data = resp->d.asBytes; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; if (isOK){ - rights[i][0] = ((data[7] & 0x10)>>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); - } - else{ - PrintAndLog("Could not get access rights for block %d", i); + 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 + } else { + 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("Command execute timeout"); + } 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; } } - // 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 isOK = true; + for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { + for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + bool received = false; - if (j == 3){ - UsbCommand c = {CMD_MIFARE_READBL, {i*4 + j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); + 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); - resp = WaitForResponseTimeout(CMD_ACK, 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); + 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); - resp = WaitForResponseTimeout(CMD_ACK, 1500); - } - else if (rights[i][j] == 7) { - PrintAndLog("Access rights do not allow reading of sector %d block %d",i,j); - } - else { - UsbCommand c = {CMD_MIFARE_READBL, {i*4+j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); + 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); + } else { // key A would work + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); SendCommand(&c); - resp = WaitForResponseTimeout(CMD_ACK, 1500); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } } - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t *data = resp->d.asBytes; - if (isOK) { - fwrite ( data, 1, 16, fout ); + if (received) { + isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; + 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]); } - else { - PrintAndLog("Could not get access rights for block %d", i); + if (isOK) { + 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 CmdHF14AMfRestore1k(const char *Cmd) +int CmdHF14AMfRestore(const char *Cmd) { - - int i,j; - uint8_t blockNo = 0; + 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]; - - char cmdp = 0x00; + 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; - - FILE *fdebug = fopen("debug.bin","wb"); - - if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { - PrintAndLog("Could not find file dump.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 keys.bin"); + PrintAndLog("Could not find file dumpkeys.bin"); return 1; } - for (i=0 ; i<16 ; i++) { - fread(keyA[i], 1, 6, fkeys); + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) { + PrintAndLog("File reading error (dumpkeys.bin)."); + + fclose(fkeys); + return 2; + } } - for (i=0 ; i<16 ; i++) { - fread(keyB[i], 1, 6, fkeys); + + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) { + PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); + return 2; + } } - - PrintAndLog("going..."); - for (i=0 ; i<16 ; i++) { - for( j=0 ; j<4 ; j++) { - UsbCommand c = {CMD_MIFARE_WRITEBL, {i*4 + j, keyType, 0}}; + 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 (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); - fread(bldata, 1, 16, fdump); + if (fread(bldata, 1, 16, fdump) == 0) { + 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 confirm?", i*4+j, sprint_hex(bldata, 16)); + PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16)); memcpy(c.d.asBytes + 10, bldata, 16); SendCommand(&c); - UsbCommand *resp = WaitForResponseTimeout(CMD_ACK, 1500); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; PrintAndLog("isOk:%02x", isOK); } else { PrintAndLog("Command execute timeout"); @@ -451,27 +531,27 @@ int CmdHF14AMfRestore1k(const char *Cmd) } fclose(fdump); - fclose(fkeys); return 0; } int CmdHF14AMfNested(const char *Cmd) { int i, j, res, iterations; - sector * e_sector = NULL; + sector *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}; char cmdp, ctmp; @@ -485,20 +565,24 @@ 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; @@ -508,121 +592,148 @@ 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; + 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'); - createDumpFile |= (ctmp == 'd' || ctmp == 'D'); + 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("cnt=%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:%012llx", key64); + key64 = bytes_to_num(keyBlock, 6); + if (key64) { + PrintAndLog("Found valid key:%012"llx, 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); + } + else { // ------------------------------------ multiple sectors working + clock_t time1; + time1 = clock(); + e_sector = calloc(SectorsCnt, sizeof(sector)); 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:%012llx", 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"llx, 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)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC); + + 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| %012llx | %d | %012llx | %d |", i, + PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i, e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]); } PrintAndLog("|---|----------------|---|----------------|---|"); @@ -630,128 +741,364 @@ 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); } } + // Create dump file if (createDumpFile) { if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { - rintAndLog("Could not create file keys.bin"); + PrintAndLog("Could not create file dumpkeys.bin"); free(e_sector); return 1; } - for(i=0; i<16; i++) { - fwrite ( e_sector[i].Key[0], sizeof(e_sector[i].Key[0]), 1, fkeys ); + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + for(i=0; i|<*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[FILE_PATH_SIZE]={0}; + char buf[13]; + uint8_t *keyBlock = NULL, *p; + uint8_t stKeyBlock = 20; + int i, res; int keycnt = 0; char ctmp = 0x00; uint8_t blockNo = 0; + uint8_t SectorsCnt = 1; uint8_t keyType = 0; - uint8_t keyBlock[8 * 6]; uint64_t key64 = 0; + + int transferToEml = 0; + int createDumpFile = 0; - memset(keyBlock, 0x00, sizeof(keyBlock)); + keyBlock = calloc(stKeyBlock, 6); + if (keyBlock == NULL) return 1; - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk []"); - PrintAndLog(" sample: hf mf chk 0 A FFFFFFFFFFFF a0a1a2a3a4a5 b0b1b2b3b4b5 "); - 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; + switch(param_getchar(Cmd+1, 0)) { + case '0': SectorsCnt = 5; break; + case '1': SectorsCnt = 16; break; + case '2': SectorsCnt = 32; break; + case '4': SectorsCnt = 40; break; + default: SectorsCnt = 16; + } + } + else + blockNo = param_get8(Cmd, 0); - blockNo = param_get8(Cmd, 0); ctmp = param_getchar(Cmd, 1); - if (ctmp == 0x00) { - PrintAndLog("Key type must be A or B"); + switch (ctmp) { + case 'a': case 'A': + keyType = !0; + break; + case 'b': case 'B': + keyType = !1; + break; + case '?': + keyType = 2; + break; + default: + PrintAndLog("Key type must be A , B or ?"); return 1; - } - if (ctmp != 'A' && ctmp != 'a') keyType = 1; + }; - for (i = 0; i < 6; i++) { - if (!isxdigit(param_getchar(Cmd, 2 + i))) break; + ctmp = param_getchar(Cmd, 2); + if (ctmp == 't' || ctmp == 'T') transferToEml = 1; + else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1; + + for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) { + if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) { + if ( stKeyBlock - keycnt < 2) { + p = realloc(keyBlock, 6*(stKeyBlock+=10)); + if (!p) { + PrintAndLog("Cannot allocate memory for Keys"); + free(keyBlock); + return 2; + } + keyBlock = p; + } + 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) >= FILE_PATH_SIZE ) { + PrintAndLog("File name too long"); + free(keyBlock); + return 2; + } + + if ( (f = fopen( filename , "r")) ) { + 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 comment, skip - if (param_gethex(Cmd, 2 + i, keyBlock + 6 * i, 12)) { - PrintAndLog("Key[%d] must include 12 HEX symbols", i); - return 1; + if (!isxdigit(buf[0])){ + PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf); + continue; + } + + buf[12] = 0; + + if ( stKeyBlock - keycnt < 2) { + p = realloc(keyBlock, 6*(stKeyBlock+=10)); + if (!p) { + PrintAndLog("Cannot allocate memory for defKeys"); + free(keyBlock); + 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[%2d] %012"llx, 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; + + } } - keycnt = i + 1; } if (keycnt == 0) { - PrintAndLog("There is must be at least one key"); - return 1; + 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); } - - PrintAndLog("--block no:%02x key type:%02x key count:%d ", blockNo, keyType, keycnt); - res = mfCheckKeys(blockNo, keyType, keycnt, keyBlock, &key64); - if (res !=1) { - if (!res) - PrintAndLog("isOk:%02x valid key:%012llx", 1, key64); - else - PrintAndLog("isOk:%02x", 0); - } else { - PrintAndLog("Command execute timeout"); + // 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) ) { + int b=blockNo; + 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); + num_to_bytes(key64, 6, foundKey[t][i]); + validKey[t][i] = true; + } + } else { + PrintAndLog("Command execute timeout"); + } + } + b<127?(b+=4):(b+=16); + } } - return 0; + 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) { + FILE *fkeys = fopen("dumpkeys.bin","wb"); + if (fkeys == NULL) { + PrintAndLog("Could not create file dumpkeys.bin"); + free(keyBlock); + return 1; + } + 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; } 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 "); + uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0}; + uint8_t exitAfterNReads = 0; + uint8_t flags = 0; + + uint8_t cmdp = param_getchar(Cmd, 0); + + if (cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mf sim u n i x"); + PrintAndLog(" h this help"); + PrintAndLog(" u (Optional) UID. If not specified, the UID 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(""); + PrintAndLog(" sample: hf mf sim u 0a0a0a0a "); return 0; - } - - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { - PrintAndLog("UID must include 8 HEX symbols"); - return 1; } - PrintAndLog(" uid:%s ", sprint_hex(uid, 4)); - - UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}}; - memcpy(c.d.asBytes, uid, 4); - SendCommand(&c); + uint8_t pnr = 0; + if (param_getchar(Cmd, pnr) == 'u') { + if(param_gethex(Cmd, pnr+1, uid, 8) == 0) + { + flags |= FLAG_4B_UID_IN_DATA; // UID from packet + } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) { + flags |= FLAG_7B_UID_IN_DATA;// UID from packet + } else { + PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols"); + return 1; + } + pnr +=2; + } + if (param_getchar(Cmd, pnr) == 'n') { + exitAfterNReads = param_get8(Cmd,pnr+1); + pnr += 2; + } + if (param_getchar(Cmd, pnr) == 'i' ) { + //Using a flag to signal interactiveness, least significant bit + flags |= FLAG_INTERACTIVE; + pnr++; + } - return 0; + if (param_getchar(Cmd, pnr) == 'x' ) { + //Using a flag to signal interactiveness, least significant bit + flags |= FLAG_NR_AR_ATTACK; + } + PrintAndLog(" 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): "N/A" + , exitAfterNReads, flags,flags); + + + UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}}; + memcpy(c.d.asBytes, uid, sizeof(uid)); + SendCommand(&c); + + if(flags & FLAG_INTERACTIVE) + { + UsbCommand resp; + 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... " + } + } + + 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; } @@ -764,8 +1111,7 @@ 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 "); @@ -774,16 +1120,10 @@ int CmdHF14AMfEGet(const char *Cmd) } blockNo = param_get8(Cmd, 0); - if (blockNo >= 16 * 4) { - PrintAndLog("Block number must be in [0..63] as in MIFARE classic."); - return 1; - } 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"); } @@ -804,6 +1144,7 @@ int CmdHF14AMfEClear(const char *Cmd) return 0; } + int CmdHF14AMfESet(const char *Cmd) { uint8_t memBlock[16]; @@ -818,10 +1159,6 @@ int CmdHF14AMfESet(const char *Cmd) } blockNo = param_get8(Cmd, 0); - if (blockNo >= 16 * 4) { - PrintAndLog("Block number must be in [0..63] as in MIFARE classic."); - return 1; - } if (param_gethex(Cmd, 1, memBlock, 32)) { PrintAndLog("block data must include 32 HEX symbols"); @@ -829,38 +1166,51 @@ 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') { + 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; - - if (len < 1) { + 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; + } } - memcpy(filename, Cmd, len); + len = param_getstr(Cmd,nameParamNo,filename); + + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; + fnameptr += len; sprintf(fnameptr, ".eml"); @@ -868,171 +1218,782 @@ 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)); - fgets(buf, sizeof(buf), f); + + if (fgets(buf, sizeof(buf), f) == NULL) { + + 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 >= 16 * 4) break; + if (blockNum >= numBlocks) break; } fclose(f); + printf("\n"); - if (blockNum != 16 * 4){ - 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 - 4) len = FILE_PATH_SIZE - 4; + // 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 < 16 * 4; 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; + 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 < 16; i++) { - if (mfEmlGetMem(data, i * 4 + 3, 1)) { - PrintAndLog("error get block %d", i * 4 + 3); + 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| %012llx | %012llx |", i, keyA, keyB); + PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB); } PrintAndLog("|---|----------------|----------------|"); return 0; } + +int CmdHF14AMfCSetUID(const char *Cmd) +{ + uint8_t wipeCard = 0; + 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; + 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, argi) && param_gethex(Cmd, argi, uid, 8)) { + PrintAndLog("UID must include 8 HEX symbols"); + return 1; + } + argi++; + + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + atqaPresent = 0; + } + + 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 memBlock[16] = {0x00}; + uint8_t blockNo = 0; + bool wipeCard = FALSE; + int res; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + PrintAndLog("Usage: hf mf csetblk [w]"); + PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516"); + 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; + } + + blockNo = param_get8(Cmd, 0); + + if (param_gethex(Cmd, 1, memBlock, 32)) { + PrintAndLog("block data must include 32 HEX symbols"); + return 1; + } + + 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, NULL, wipeCard, CSETBLOCK_SINGLE_OPER); + if (res) { + PrintAndLog("Can't write block. error=%d", res); + return 1; + } + return 0; +} + + +int CmdHF14AMfCLoad(const char *Cmd) +{ + FILE * f; + char filename[FILE_PATH_SIZE] = {0x00}; + char * fnameptr = filename; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; + uint8_t fillFromEmulator = 0; + int i, len, blockNum, flags=0; + + if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { + 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 "); + PrintAndLog(" sample: hf mf cload filename"); + return 0; + } + + char ctmp = param_getchar(Cmd, 0); + if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; + + if (fillFromEmulator) { + for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) { + if (mfEmlGetMem(buf8, blockNum, 1)) { + PrintAndLog("Cant get block: %d", blockNum); + return 2; + } + 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); + return 3; + } + } + return 0; + } else { + len = strlen(Cmd); + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; + + memcpy(filename, Cmd, len); + fnameptr += len; + + sprintf(fnameptr, ".eml"); + + // open file + f = fopen(filename, "r"); + if (f == NULL) { + PrintAndLog("File not found or locked."); + return 1; + } + + blockNum = 0; + while(!feof(f)){ + + memset(buf, 0, sizeof(buf)); + + if (fgets(buf, sizeof(buf), f) == NULL) { + fclose(f); + PrintAndLog("File reading error."); + 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]); + + 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("Can't set magic card block: %d", blockNum); + return 3; + } + blockNum++; + + if (blockNum >= 16 * 4) break; // magic card type - mifare 1K + } + fclose(f); + + if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){ + PrintAndLog("File content error. There must be 64 blocks"); + return 4; + } + PrintAndLog("Loaded from file: %s", filename); + return 0; + } + return 0; +} + +int CmdHF14AMfCGetBlk(const char *Cmd) { + uint8_t memBlock[16]; + uint8_t blockNo = 0; + int res; + memset(memBlock, 0x00, sizeof(memBlock)); + + 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 such cards)\n"); + return 0; + } + + blockNo = param_get8(Cmd, 0); + + PrintAndLog("--block number:%2d ", blockNo); + + res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER); + if (res) { + PrintAndLog("Can't read block. error=%d", res); + return 1; + } + + PrintAndLog("block data:%s", sprint_hex(memBlock, 16)); + return 0; +} + + +int CmdHF14AMfCGetSc(const char *Cmd) { + uint8_t memBlock[16] = {0x00}; + uint8_t sectorNo = 0; + int i, res, flags; + + 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 such cards)\n"); + return 0; + } + + sectorNo = param_get8(Cmd, 0); + if (sectorNo > 15) { + PrintAndLog("Sector number must be in [0..15] as in MIFARE classic."); + return 1; + } + + PrintAndLog("--sector number:%d ", sectorNo); + + flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + for (i = 0; i < 4; i++) { + if (i == 1) flags = 0; + if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags); + if (res) { + PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res); + return 1; + } + + PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); + } + return 0; +} + + +int CmdHF14AMfCSave(const char *Cmd) { + + FILE * f; + char filename[FILE_PATH_SIZE] = {0x00}; + char * fnameptr = filename; + uint8_t fillFromEmulator = 0; + uint8_t buf[64] = {0x00}; + int i, j, len, flags; + + // 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`"); + PrintAndLog("or into emulator memory (option `e`)"); + PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]"); + PrintAndLog(" sample: hf mf esave "); + PrintAndLog(" hf mf esave filename"); + PrintAndLog(" hf mf esave e \n"); + return 0; + } + + char ctmp = param_getchar(Cmd, 0); + if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; + + if (fillFromEmulator) { + // put into emulator + flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + for (i = 0; i < 16 * 4; i++) { + if (i == 1) flags = 0; + if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + if (mfCGetBlock(i, buf, flags)) { + PrintAndLog("Cant get block: %d", i); + break; + } + + if (mfEmlSetMem(buf, i, 1)) { + PrintAndLog("Cant set emul block: %d", i); + return 3; + } + } + return 0; + } else { + len = strlen(Cmd); + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; + + if (len < 1) { + // get filename + if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) { + PrintAndLog("Cant get block: %d", 0); + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } + else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02x", buf[j]); + } + } else { + memcpy(filename, Cmd, len); + fnameptr += len; + } + + sprintf(fnameptr, ".eml"); + + // 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++) { + if (i == 1) flags = 0; + if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + if (mfCGetBlock(i, buf, flags)) { + PrintAndLog("Cant get block: %d", i); + break; + } + for (j = 0; j < 16; j++) + fprintf(f, "%02x", buf[j]); + fprintf(f,"\n"); + } + fclose(f); + + PrintAndLog("Saved to file: %s", filename); + + return 0; + } +} + + +int CmdHF14AMfSniff(const char *Cmd){ + + bool wantLogToFile = 0; + bool wantDecrypt = 0; + //bool wantSaveToEml = 0; TODO + bool wantSaveToEmlFile = 0; + + //var + int res = 0; + int len = 0; + int blockLen = 0; + int pckNum = 0; + int num = 0; + uint8_t uid[7]; + uint8_t uid_len; + uint8_t atqa[2] = {0x00}; + uint8_t sak; + bool isTag; + uint8_t *buf = NULL; + uint16_t bufsize = 0; + uint8_t *bufPtr = NULL; + + 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(" 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++) { + 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 + if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true; + } + + printf("-------------------------------------------------------------------------\n"); + printf("Executing command. \n"); + printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Press the key on pc keyboard to abort the client.\n"); + printf("-------------------------------------------------------------------------\n"); + + UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}}; + clearCommandBuffer(); + SendCommand(&c); + + // wait cycle + while (true) { + printf("."); + fflush(stdout); + if (ukbhit()) { + getchar(); + printf("\naborted via keyboard!\n"); + break; + } + + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) { + res = resp.arg[0] & 0xff; + uint16_t traceLen = resp.arg[1]; + len = resp.arg[2]; + + if (res == 0) return 0; // we are done + + if (res == 1) { // there is (more) data to be transferred + if (pckNum == 0) { // first packet, (re)allocate necessary buffer + if (traceLen > bufsize) { + 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; + bufsize = traceLen; + memset(buf, 0x00, traceLen); + } + memcpy(bufPtr, resp.d.asBytes, len); + bufPtr += len; + pckNum++; + } + + if (res == 2) { // received all data, start displaying + blockLen = bufPtr - buf; + bufPtr = buf; + printf(">\n"); + PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum); + 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: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); + } 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, wantSaveToEmlFile); + num++; + } + bufPtr += len; + bufPtr += ((len-1)/8+1); // ignore parity + } + pckNum = 0; + } + } // resp not NULL + } // while (true) + + 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"}, - {"dump1k", CmdHF14AMfDump1k, 0, "Dump MIFARE classic tag to binary file"}, - {"restore1k", CmdHF14AMfRestore1k, 0, "Restore MIFARE classic binary file to BLANK tag"}, + {"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 up to 8 keys"}, - {"mifare", CmdHF14AMifare, 0, "Read parity error messages. param - "}, + {"chk", CmdHF14AMfChk, 0, "Test block keys"}, + {"mifare", CmdHF14AMifare, 0, "Read parity error messages."}, {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, - {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE 1k card"}, - {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, + {"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"}, + {"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) { // flush - while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ; + WaitForResponseTimeout(CMD_ACK,NULL,100); CmdsParse(CommandTable, Cmd); return 0;