X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/ab8b654efa9524b494014efd35ac426aaa42884b..7b215d149ac4fd5709635111d86a2062fc7ac3ad:/client/cmdhfmf.c?ds=sidebyside diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index b46c33b0..a2da01c9 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 @@ -9,96 +9,63 @@ //----------------------------------------------------------------------------- #include "cmdhfmf.h" + +#include <inttypes.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> #include "proxmark3.h" +#include "cmdmain.h" +#include "cmdhfmfhard.h" +#include "parity.h" +#include "util.h" +#include "util_posix.h" +#include "usb_cmd.h" +#include "ui.h" +#include "mifarehost.h" +#include "mifare.h" +#include "mfkey.h" +#include "hardnested/hardnested_bf_core.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; - 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; + 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); } - - UsbCommand c = {CMD_READER_MIFARE, {(uint32_t)bytes_to_num(keyBlock, 4), 0, 0}}; - SendCommand(&c); - - //flush queue - while (ukbhit()) getchar(); - // 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("-------------------------------------------------------------------------\n"); - - // wait cycle - while (true) { - printf("."); - 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); - - printf("\n\n"); - PrintAndLog("isOk:%02x", isOK); - 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, 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); - - + PrintAndLog(""); return 0; } + int CmdHF14AMfWrBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - + char cmdp = 0x00; if (strlen(Cmd)<3) { PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>"); PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F"); return 0; - } + } blockNo = param_get8(Cmd, 0); cmdp = param_getchar(Cmd, 1); @@ -115,18 +82,17 @@ 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"); @@ -140,7 +106,7 @@ int CmdHF14AMfRdBl(const char *Cmd) uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - + char cmdp = 0x00; @@ -148,8 +114,8 @@ int CmdHF14AMfRdBl(const char *Cmd) PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>"); PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF "); return 0; - } - + } + blockNo = param_get8(Cmd, 0); cmdp = param_getchar(Cmd, 1); if (cmdp == 0x00) { @@ -161,16 +127,16 @@ 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)); @@ -189,25 +155,23 @@ 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) { PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>"); PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF "); return 0; - } - + } + 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; } @@ -216,324 +180,1447 @@ 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)); - - UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; + 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}}; 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; + } +} + +static int ParamCardSizeSectors(const char c) { + int numBlocks = 16; + switch (c) { + case '0' : numBlocks = 5; break; + case '2' : numBlocks = 32; break; + case '4' : numBlocks = 40; break; + default: numBlocks = 16; + } + return numBlocks; +} + +static int ParamCardSizeBlocks(const char c) { + int numBlocks = 16 * 4; + switch (c) { + case '0' : numBlocks = 5 * 4; break; + case '2' : numBlocks = 32 * 4; break; + case '4' : numBlocks = 32 * 4 + 8 * 16; break; + default: numBlocks = 16 * 4; + } + return numBlocks; +} + +int CmdHF14AMfDump(const char *Cmd) +{ + 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); + numSectors = ParamCardSizeSectors(cmdp); + + 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 ((fin = fopen("dumpkeys.bin","rb")) == NULL) { + PrintAndLog("Could not find file dumpkeys.bin"); + return 1; + } + + // Read keys A from file + for (sectorNo=0; sectorNo<numSectors; sectorNo++) { + size_t bytes_read = fread(keyA[sectorNo], 1, 6, fin); + if (bytes_read != 6) { + PrintAndLog("File reading error."); + fclose(fin); + return 2; + } + } + + // Read keys B from file + for (sectorNo=0; sectorNo<numSectors; sectorNo++) { + size_t bytes_read = fread(keyB[sectorNo], 1, 6, fin); + if (bytes_read != 6) { + PrintAndLog("File reading error."); + fclose(fin); + return 2; + } + } + + fclose(fin); + + PrintAndLog("|-----------------------------------------|"); + PrintAndLog("|------ Reading sector access bits...-----|"); + PrintAndLog("|-----------------------------------------|"); + uint8_t tries = 0; + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + for (tries = 0; tries < 3; tries++) { + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + SendCommand(&c); + + 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("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; + } + } + } + + PrintAndLog("|-----------------------------------------|"); + PrintAndLog("|----- Dumping all blocks to file... -----|"); + PrintAndLog("|-----------------------------------------|"); + + 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 { // 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); + } + } + if (received) { + isOK = resp.arg[0] & 0xff; + if (isOK) break; + } + } + + 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]); + } + 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 { + isOK = false; + PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo); + break; + } + } + } + + 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) +{ + uint8_t sectorNo,blockNo; + uint8_t keyType = 0; + 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; + + 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 (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 (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 (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); + + size_t bytes_read = fread(bldata, 1, 16, fdump); + if (bytes_read != 16) { + PrintAndLog("File reading error (dumpdata.bin)."); + fclose(fdump); + return 2; + } + + 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 %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)) { + uint8_t isOK = resp.arg[0] & 0xff; + PrintAndLog("isOk:%02x", isOK); + } else { + PrintAndLog("Command execute timeout"); + } + } + } + + fclose(fdump); + return 0; +} + +//---------------------------------------------- +// Nested +//---------------------------------------------- + +static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) { + char ctmp3[3] = {0}; + int len = param_getlength(Cmd, indx); + if (len > 0 && len < 4){ + param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3)); + + *paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T'); + *paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D'); + bool paramS1 = *paramT || *paramD; + + // slow and very slow + if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') { + *timeout = 11; // slow + + if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) { + *timeout = 53; // very slow + } + if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) { + *timeout = 53; // very slow + } + } } - - return 0; } 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[MifareDefaultKeysSize * 6]; uint64_t key64 = 0; - int transferToEml = 0; + // timeout in units. (ms * 106)/10 or us*0.0106 + uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default + bool autosearchKey = false; + + bool transferToEml = false; + 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; if (strlen(Cmd)<3) { PrintAndLog("Usage:"); - PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t]"); - PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)> [t]"); - PrintAndLog(" <target block number> <target key A/B>"); + PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]"); + PrintAndLog(" all sectors autosearch key: hf mf nested <card memory> * [t|d|s|ss]"); + PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>"); + PrintAndLog(" <target block number> <target key A/B> [t]"); + PrintAndLog(" "); PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K"); - PrintAndLog("t - transfer keys into emulator memory"); + PrintAndLog("t - transfer keys to emulator memory"); + PrintAndLog("d - write keys to binary file dumpkeys.bin"); + PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)"); + PrintAndLog("ss - Very slow (5ms) check keys"); PrintAndLog(" "); PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF t "); - 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"); + PrintAndLog(" sample5: hf mf nested 1 * t"); + PrintAndLog(" sample6: hf mf nested 1 * ss"); return 0; - } - - cmdp = param_getchar(Cmd, 0); - blockNo = param_get8(Cmd, 1); - ctmp = param_getchar(Cmd, 2); - if (ctmp == 0x00) { - PrintAndLog("Key type must be A or B"); - return 1; - } - if (ctmp != 'A' && ctmp != 'a') keyType = 1; - if (param_gethex(Cmd, 3, key, 12)) { - PrintAndLog("Key must include 12 HEX symbols"); - return 1; } - + + // <card memory> + cmdp = param_getchar(Cmd, 0); if (cmdp == 'o' || cmdp == 'O') { cmdp = 'o'; - trgBlockNo = param_get8(Cmd, 4); - ctmp = param_getchar(Cmd, 5); - if (ctmp == 0x00) { - PrintAndLog("Target key type must be A or B"); + SectorsCnt = 1; + } else { + SectorsCnt = ParamCardSizeSectors(cmdp); + } + + // <block number>. number or autosearch key (*) + if (param_getchar(Cmd, 1) == '*') { + autosearchKey = true; + + parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a); + + PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us", + SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106); + } else { + blockNo = param_get8(Cmd, 1); + + ctmp = param_getchar(Cmd, 2); + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { + PrintAndLog("Key type must be A or B"); return 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; - default: SectorsCnt = 16; + + if (ctmp != 'A' && ctmp != 'a') + keyType = 1; + + if (param_gethex(Cmd, 3, key, 12)) { + PrintAndLog("Key must include 12 HEX symbols"); + return 1; } - } - ctmp = param_getchar(Cmd, 4); - if (ctmp == 't' || ctmp == 'T') transferToEml = 1; - ctmp = param_getchar(Cmd, 6); - transferToEml |= (ctmp == 't' || ctmp == 'T'); - - 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); + // check if we can authenticate to sector + res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64); + if (res) { + PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); + return 3; + } - if (cmdp == 'o') { - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) { - PrintAndLog("Nested error."); - return 2; + // one sector nested + if (cmdp == 'o') { + trgBlockNo = param_get8(Cmd, 4); + + ctmp = param_getchar(Cmd, 5); + 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; + + parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a); + } else { + parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a); } - for (i = 0; i < 16; i++) { - PrintAndLog("cnt=%d key= %s", i, sprint_hex(keyBlock + i * 6, 6)); + PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us", + SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106); + } + + // one-sector nested + if (cmdp == 'o') { // ------------------------------------ one sector working + 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; } - - // 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" 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; + } else { // 16 block sector + sectortrailer = trgBlockNo | 0x0f; + } + 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); + PrintAndLog("Key transferred to emulator memory."); } } else { PrintAndLog("No valid key found"); } - } else // ------------------------------------ multiple sectors working - { - blDiff = blockNo % 4; - PrintAndLog("Block shift=%d", blDiff); - e_sector = calloc(SectorsCnt, sizeof(sector)); + } + else { // ------------------------------------ multiple sectors working + uint64_t msclock1; + msclock1 = msclock(); + + e_sector = calloc(SectorsCnt, sizeof(sector_t)); if (e_sector == NULL) return 1; - - //test current key 4 sectors - 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(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6)); + + //test current key and additional standard keys first + for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){ + num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 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); - - if (!res) { - e_sector[i].Key[j] = key64; - e_sector[i].foundKey[j] = 1; + mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector); + + // get known key from array + bool keyFound = false; + if (autosearchKey) { + for (i = 0; i < SectorsCnt; i++) { + for (j = 0; j < 2; j++) { + if (e_sector[i].foundKey[j]) { + // get known key + blockNo = i * 4; + keyType = j; + num_to_bytes(e_sector[i].Key[j], 6, key); + + keyFound = true; + break; + } } + if (keyFound) break; + } + + // Can't found a key.... + if (!keyFound) { + PrintAndLog("Can't found any of the known keys."); + return 4; } - } - - + PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); + } + // 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 (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { - if (e_sector[trgBlockNo / 4].foundKey[trgKeyType]) continue; - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) continue; - + for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { + 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" PRIx64, key64); + e_sector[sectorNo].foundKey[trgKeyType] = 1; + e_sector[sectorNo].Key[trgKeyType] = key64; + + // try to check this key as a key to the other sectors + mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector); } } + } } - PrintAndLog("Iterations count: %d", iterations); - //print them + // print nested statistic + PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations); + PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0); + + // print result 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" 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("|---|----------------|---|----------------|---|"); - - // transfer them to the emulator + + // transfer keys to the emulator memory 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); + } + PrintAndLog("Keys transferred to emulator memory."); } - + + // Create dump file + if (createDumpFile) { + if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { + PrintAndLog("Could not create file dumpkeys.bin"); + free(e_sector); + return 1; + } + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + for(i=0; i<SectorsCnt; i++) { + if (e_sector[i].foundKey[0]){ + num_to_bytes(e_sector[i].Key[0], 6, tempkey); + fwrite ( tempkey, 1, 6, fkeys ); + } + else{ + fwrite ( &standart, 1, 6, fkeys ); + } + } + for(i=0; i<SectorsCnt; i++) { + if (e_sector[i].foundKey[1]){ + num_to_bytes(e_sector[i].Key[1], 6, tempkey); + fwrite ( tempkey, 1, 6, fkeys ); + } + else{ + fwrite ( &standart, 1, 6, fkeys ); + } + } + fclose(fkeys); + } + free(e_sector); } - return 0; } -int CmdHF14AMfChk(const char *Cmd) + +int CmdHF14AMfNestedHard(const char *Cmd) { + uint8_t blockNo = 0; + uint8_t keyType = 0; + uint8_t trgBlockNo = 0; + uint8_t trgKeyType = 0; + uint8_t key[6] = {0, 0, 0, 0, 0, 0}; + uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0}; + + char ctmp; + ctmp = param_getchar(Cmd, 0); + + if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) { + PrintAndLog("Usage:"); + PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>"); + PrintAndLog(" <target block number> <target key A|B> [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(" iX: set type of SIMD instructions. Without this flag programs autodetect it."); + PrintAndLog(" i5: AVX512"); + PrintAndLog(" i2: AVX2"); + PrintAndLog(" ia: AVX"); + PrintAndLog(" is: SSE2"); + PrintAndLog(" im: MMX"); + PrintAndLog(" in: none (use CPU regular instruction set)"); + 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; + + + uint16_t iindx = 0; + if (ctmp == 'R' || ctmp == 'r') { + nonce_file_read = true; + iindx = 1; + if (!param_gethex(Cmd, 1, trgkey, 12)) { + know_target_key = true; + iindx = 2; + } + } else if (ctmp == 'T' || ctmp == 't') { + tests = param_get32ex(Cmd, 1, 100, 10); + iindx = 2; + if (!param_gethex(Cmd, 2, trgkey, 12)) { + know_target_key = true; + iindx = 3; + } + } 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++; + } + iindx = 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 if (param_getlength(Cmd, i) == 2 && ctmp == 'i') { + iindx = i; + } else { + PrintAndLog("Possible options are w , s and/or iX"); + return 1; + } + i++; + } + } + + SetSIMDInstr(SIMD_AUTO); + if (iindx > 0) { + while ((ctmp = param_getchar(Cmd, iindx))) { + if (param_getlength(Cmd, iindx) == 2 && ctmp == 'i') { + switch(param_getchar_indx(Cmd, 1, iindx)) { + case '5': + SetSIMDInstr(SIMD_AVX512); + break; + case '2': + SetSIMDInstr(SIMD_AVX2); + break; + case 'a': + SetSIMDInstr(SIMD_AVX); + break; + case 's': + SetSIMDInstr(SIMD_SSE2); + break; + case 'm': + SetSIMDInstr(SIMD_MMX); + break; + case 'n': + SetSIMDInstr(SIMD_NONE); + break; + default: + PrintAndLog("Unknown SIMD type. %c", param_getchar_indx(Cmd, 1, iindx)); + return 1; + } + } + iindx++; + } + } + + 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 <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]"); + PrintAndLog(" * - all sectors"); + PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K"); + PrintAndLog("d - write keys to binary file\n"); + PrintAndLog("t - write keys to emulator memory"); + PrintAndLog("s - slow execute. timeout 1ms"); + PrintAndLog("ss- very slow execute. timeout 5ms"); + PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); + PrintAndLog(" hf mf chk *1 ? t"); + PrintAndLog(" hf mf chk *1 ? d"); + PrintAndLog(" hf mf chk *1 ? s"); + PrintAndLog(" hf mf chk *1 ? dss"); + return 0; + } + + FILE * f; + char filename[FILE_PATH_SIZE]={0}; + char buf[13]; + uint8_t *keyBlock = NULL, *p; + uint16_t stKeyBlock = 20; + int i, res; int keycnt = 0; char ctmp = 0x00; + int clen = 0; + char ctmp3[3] = {0x00}; uint8_t blockNo = 0; + uint8_t SectorsCnt = 0; uint8_t keyType = 0; - uint8_t keyBlock[8 * 6]; uint64_t key64 = 0; + uint32_t timeout14a = 0; // timeout in us + bool param3InUse = false; - memset(keyBlock, 0x00, sizeof(keyBlock)); - - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk <block number> <key A/B> [<key (12 hex symbols)>]"); - PrintAndLog(" sample: hf mf chk 0 A FFFFFFFFFFFF a0a1a2a3a4a5 b01b2b3b4b5 "); - return 0; - } + int transferToEml = 0; + int createDumpFile = 0; - blockNo = param_get8(Cmd, 0); + sector_t *e_sector = NULL; + + keyBlock = calloc(stKeyBlock, 6); + if (keyBlock == NULL) return 1; + + int defaultKeysSize = MifareDefaultKeysSize; + for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){ + num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6)); + } + + if (param_getchar(Cmd, 0)=='*') { + SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0)); + } + else + blockNo = param_get8(Cmd, 0); + ctmp = param_getchar(Cmd, 1); - if (ctmp == 0x00) { - PrintAndLog("Key type must be A or B"); - return 1; + clen = param_getlength(Cmd, 1); + if (clen == 1) { + 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 ?"); + free(keyBlock); + return 1; + }; } - if (ctmp != 'A' && ctmp != 'a') keyType = 1; + + // transfer to emulator & create dump file + ctmp = param_getchar(Cmd, 2); + clen = param_getlength(Cmd, 2); + if (clen == 1 && (ctmp == 't' || ctmp == 'T')) transferToEml = 1; + if (clen == 1 && (ctmp == 'd' || ctmp == 'D')) createDumpFile = 1; + + param3InUse = transferToEml | createDumpFile; - for (i = 0; i < 6; i++) { - if (!isxdigit(param_getchar(Cmd, 2 + i))) break; + timeout14a = 500; // fast by default + // double parameters - ts, ds + clen = param_getlength(Cmd, 2); + if (clen == 2 || clen == 3){ + param_getstr(Cmd, 2, ctmp3, sizeof(ctmp3)); + ctmp = ctmp3[1]; + } + //parse + if (ctmp == 's' || ctmp == 'S') { + timeout14a = 1000; // slow + if (!param3InUse && clen == 2 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) { + timeout14a = 5000; // very slow + } + if (param3InUse && clen == 3 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) { + timeout14a = 5000; // very slow + } + param3InUse = true; + } - if (param_gethex(Cmd, 2 + i, keyBlock + 6 * i, 12)) { - PrintAndLog("Key[%d] must include 12 HEX symbols", i); - return 1; + for (i = param3InUse; 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, sizeof(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 (!isxdigit((unsigned char)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); + 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[%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; + + } } - keycnt = i + 1; } - + + // fill with default keys 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 + e_sector = calloc(SectorsCnt, sizeof(sector_t)); + if (e_sector == NULL) return 1; + for (uint8_t keyAB = 0; keyAB < 2; keyAB++) { + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + e_sector[sectorNo].Key[keyAB] = 0xffffffffffff; + e_sector[sectorNo].foundKey[keyAB] = 0; + } } + printf("\n"); - return 0; -} + bool foundAKey = false; + uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt; + if (SectorsCnt) { + PrintAndLog("To cancel this operation press the button on the proxmark..."); + printf("--"); + for (uint32_t c = 0; c < keycnt; c += max_keys) { -int CmdHF14AMf1kSim(const char *Cmd) -{ - uint8_t uid[4] = {0, 0, 0, 0}; + uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; + res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106 + + if (res != 1) { + if (!res) { + printf("o"); + foundAKey = true; + } else { + printf("."); + } + } else { + printf("\n"); + PrintAndLog("Command execute timeout"); + } + } + } else { + int keyAB = keyType; + do { + for (uint32_t c = 0; c < keycnt; c+=max_keys) { + + uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; + res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64); + + if (res != 1) { + if (!res) { + PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64); + foundAKey = true; + } + } else { + PrintAndLog("Command execute timeout"); + } + } + } while(--keyAB > 0); + } - if (param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf sim <uid (8 hex symbols)>"); - PrintAndLog(" sample: hf mf sim 0a0a0a0a "); - return 0; + // print result + if (foundAKey) { + if (SectorsCnt) { + PrintAndLog(""); + PrintAndLog("|---|----------------|---|----------------|---|"); + PrintAndLog("|sec|key A |res|key B |res|"); + PrintAndLog("|---|----------------|---|----------------|---|"); + for (i = 0; i < SectorsCnt; 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("|---|----------------|---|----------------|---|"); + } + } else { + PrintAndLog(""); + PrintAndLog("No valid keys found."); } - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { - PrintAndLog("UID must include 8 HEX symbols"); - return 1; + if (transferToEml) { + uint8_t block[16]; + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) { + mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + for (uint16_t t = 0; t < 2; t++) { + if (e_sector[sectorNo].foundKey[t]) { + num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10); + } + } + mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + } + } + PrintAndLog("Found keys have been transferred to the emulator memory"); } - 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; + if (createDumpFile) { + FILE *fkeys = fopen("dumpkeys.bin","wb"); + if (fkeys == NULL) { + PrintAndLog("Could not create file dumpkeys.bin"); + free(e_sector); + free(keyBlock); + return 1; + } + uint8_t mkey[6]; + for (uint8_t t = 0; t < 2; t++) { + for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey); + fwrite(mkey, 1, 6, fkeys); + } + } + fclose(fkeys); + PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys."); + } + + free(e_sector); + 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<ATTACK_KEY_COUNT; i++) { + if (ar_resp[i].ar2 > 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; ii<ATTACK_KEY_COUNT; ii++) { + if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) { + if (ar_resp[i].keytype==0) { + //keyA + sector_trailer[ii].keyA = key; + stSector[ii] = ar_resp[i].sector; + key_cnt[ii]++; + break; + } else { + //keyB + sector_trailer[ii].keyB = key; + stSector[ii] = ar_resp[i].sector; + key_cnt[ii]++; + break; + } + } + } + } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) { + uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector; + uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype; + + PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]" + , keyType ? "B" : "A" + , sectorNum + , key + ); + + for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) { + if (key_cnt[ii]==0 || stSector[ii]==sectorNum) { + if (keyType==0) { + //keyA + sector_trailer[ii].keyA = key; + stSector[ii] = sectorNum; + key_cnt[ii]++; + break; + } else { + //keyB + sector_trailer[ii].keyB = key; + stSector[ii] = sectorNum; + key_cnt[ii]++; + break; + } + } + } + continue; + } + } + } + //set emulator memory for keys + if (setEmulatorMem) { + for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) { + if (key_cnt[i]>0) { + 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); + } + } + } + /* + //un-comment to use as well moebius attack + for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) { + if (ar_resp[i].ar2 > 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)); + } + } + }*/ +} + +int usage_hf14_mf1ksim(void) { + PrintAndLog("Usage: hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> 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 <numreads> 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 <filename.txt>' (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, sizeof(filename)); + if (len < 1) { + PrintAndLog("error no filename found"); + return 0; + } + 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; + } + if(errors) break; + } + //Validations + if(errors) return usage_hf14_mf1ksim(); + + //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)); + } + } + } + + 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 <debug level>"); 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; - } + } UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}}; SendCommand(&c); @@ -544,26 +1631,19 @@ 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 <block number>"); PrintAndLog(" sample: hf mf eget 0 "); return 0; - } - - blockNo = param_get8(Cmd, 0); - if (blockNo >= 16 * 4) { - PrintAndLog("Block number must be in [0..63] as in MIFARE classic."); - return 1; } + 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"); } @@ -577,13 +1657,14 @@ int CmdHF14AMfEClear(const char *Cmd) PrintAndLog("Usage: hf mf eclr"); PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n"); return 0; - } + } UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}}; SendCommand(&c); return 0; } + int CmdHF14AMfESet(const char *Cmd) { uint8_t memBlock[16]; @@ -595,220 +1676,998 @@ int CmdHF14AMfESet(const char *Cmd) PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>"); PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f "); return 0; - } - - blockNo = param_get8(Cmd, 0); - if (blockNo >= 16 * 4) { - PrintAndLog("Block number must be in [0..63] as in MIFARE classic."); - return 1; } - + + blockNo = param_get8(Cmd, 0); + if (param_gethex(Cmd, 1, memBlock, 32)) { PrintAndLog("block data must include 32 HEX symbols"); return 1; } - + // 1 - blocks count - UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}}; - memcpy(c.d.asBytes, memBlock, 16); - SendCommand(&c); - return 0; + return mfEmlSetMem(memBlock, blockNo, 1); } + int CmdHF14AMfELoad(const char *Cmd) { FILE * f; - char filename[20]; - char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; - int i, len, blockNum; - - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); + 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; - 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 <file name w/o `.eml`>"); + PrintAndLog("Usage: hf mf eload [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 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,sizeof(filename)); + + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + fnameptr += len; - sprintf(fnameptr, ".eml"); - + sprintf(fnameptr, ".eml"); + // 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); - - if (blockNum != 16 * 4){ - PrintAndLog("File content error. There must be 64 blocks"); + printf("\n"); + + 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,sizeof(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; } - sprintf(fnameptr, ".eml"); - + // 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) { + +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 <key A/B>"); - 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 <key A/B> [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\n", numSectors, keyType); + UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}}; + SendCommand(&c); + return 0; } -int CmdHF14AMfEKeyPrn(const char *Cmd) { +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" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB); } PrintAndLog("|---|----------------|----------------|"); + + return 0; +} + +int CmdHF14AMfCSetUID(const char *Cmd) +{ + uint8_t uid[8] = {0x00}; + uint8_t oldUid[8] = {0x00}; + uint8_t atqa[2] = {0x00}; + uint8_t sak[1] = {0x00}; + uint8_t atqaPresent = 0; + int res; + + uint8_t needHelp = 0; + char cmdp = 1; + + if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { + PrintAndLog("UID must include 8 HEX symbols"); + return 1; + } + + if (param_getlength(Cmd, 1) > 1 && param_getlength(Cmd, 2) > 1) { + atqaPresent = 1; + cmdp = 3; + + if (param_gethex(Cmd, 1, atqa, 4)) { + PrintAndLog("ATQA must include 4 HEX symbols"); + return 1; + } + + if (param_gethex(Cmd, 2, sak, 2)) { + PrintAndLog("SAK must include 2 HEX symbols"); + return 1; + } + } + + while(param_getchar(Cmd, cmdp) != 0x00) + { + switch(param_getchar(Cmd, cmdp)) + { + case 'h': + case 'H': + needHelp = 1; + break; + default: + PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + needHelp = 1; + break; + } + cmdp++; + } + + if (strlen(Cmd) < 1 || needHelp) { + PrintAndLog(""); + PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols]"); + PrintAndLog("sample: hf mf csetuid 01020304"); + PrintAndLog("sample: hf mf csetuid 01020304 0004 08"); + PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)"); + return 0; + } + + PrintAndLog("uid:%s", sprint_hex(uid, 4)); + if (atqaPresent) { + PrintAndLog("--atqa:%s sak:%02x", sprint_hex(atqa, 2), sak[0]); + } + + res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid); + 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 CmdHF14AMfCWipe(const char *Cmd) +{ + int res, gen = 0; + int numBlocks = 16 * 4; + bool wipeCard = false; + bool fillCard = false; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + PrintAndLog("Usage: hf mf cwipe [card size] [w] [f]"); + PrintAndLog("sample: hf mf cwipe 1 w f"); + PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)"); + PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)"); + return 0; + } + + gen = mfCIdentify(); + if ((gen != 1) && (gen != 2)) + return 1; + + numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0)); + + char cmdp = 0; + while(param_getchar(Cmd, cmdp) != 0x00){ + switch(param_getchar(Cmd, cmdp)) { + case 'w': + case 'W': + wipeCard = 1; + break; + case 'f': + case 'F': + fillCard = 1; + break; + default: + break; + } + cmdp++; + } + + if (!wipeCard && !fillCard) + wipeCard = true; + + PrintAndLog("--blocks count:%2d wipe:%c fill:%c", numBlocks, (wipeCard)?'y':'n', (fillCard)?'y':'n'); + + if (gen == 2) { + /* generation 1b magic card */ + if (wipeCard) { + PrintAndLog("WARNING: can't wipe magic card 1b generation"); + } + res = mfCWipe(numBlocks, true, false, fillCard); + } else { + /* generation 1a magic card by default */ + res = mfCWipe(numBlocks, false, wipeCard, fillCard); + } + + if (res) { + PrintAndLog("Can't wipe. error=%d", res); + return 1; + } + PrintAndLog("OK"); + return 0; +} + +int CmdHF14AMfCSetBlk(const char *Cmd) +{ + uint8_t memBlock[16] = {0x00}; + uint8_t blockNo = 0; + bool wipeCard = false; + int res, gen = 0; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [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; + } + + gen = mfCIdentify(); + if ((gen != 1) && (gen != 2)) + return 1; + + 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)); + + if (gen == 2) { + /* generation 1b magic card */ + res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B); + } else { + /* generation 1a magic card by default */ + 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[256] = {0x00}; + uint8_t buf8[256] = {0x00}; + uint8_t fillFromEmulator = 0; + int i, len, blockNum, flags = 0, gen = 0, numblock = 64; + + 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`). 4K card: (option `4`)"); + PrintAndLog("Usage: hf mf cload [file name w/o `.eml`][e][4]"); + PrintAndLog(" or: hf mf cload e [4]"); + PrintAndLog("Sample: hf mf cload filename"); + PrintAndLog(" hf mf cload filname 4"); + PrintAndLog(" hf mf cload e"); + PrintAndLog(" hf mf cload e 4"); + return 0; + } + + char ctmp = param_getchar(Cmd, 0); + if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; + ctmp = param_getchar(Cmd, 1); + if (ctmp == '4') numblock = 256; + + gen = mfCIdentify(); + PrintAndLog("Loading magic mifare %dK", numblock == 256 ? 4:1); + + if (fillFromEmulator) { + for (blockNum = 0; blockNum < numblock; 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 == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field. + + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + PrintAndLog("Cant set magic card block: %d", blockNum); + return 3; + } + } + return 0; + } else { + param_getstr(Cmd, 0, filename, sizeof(filename)); + + len = strlen(filename); + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + + //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 == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field. + + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + PrintAndLog("Can't set magic card block: %d", blockNum); + fclose(f); + return 3; + } + blockNum++; + + if (blockNum >= numblock) break; // magic card type - mifare 1K 64 blocks, mifare 4k 256 blocks + } + fclose(f); + + //if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){ + if (blockNum != numblock){ + PrintAndLog("File content error. There must be %d blocks", numblock); + 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, gen = 0; + memset(memBlock, 0x00, sizeof(memBlock)); + + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + PrintAndLog("Usage: hf mf cgetblk <block number>"); + PrintAndLog("sample: hf mf cgetblk 1"); + PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n"); + return 0; + } + + gen = mfCIdentify(); + + blockNo = param_get8(Cmd, 0); + + PrintAndLog("--block number:%2d ", blockNo); + + if (gen == 2) { + /* generation 1b magic card */ + res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B); + } else { + /* generation 1a magic card by default */ + 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, gen = 0, baseblock = 0, sect_size = 4; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + PrintAndLog("Usage: hf mf cgetsc <sector number>"); + 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 > 39) { + PrintAndLog("Sector number must be in [0..15] in MIFARE classic 1k and [0..39] in MIFARE classic 4k."); + return 1; + } + + PrintAndLog("--sector number:%d ", sectorNo); + + gen = mfCIdentify(); + + flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + if (sectorNo < 32 ) { + baseblock = sectorNo * 4; + } else { + baseblock = 128 + 16 * (sectorNo - 32); + + } + if (sectorNo > 31) sect_size = 16; + + for (i = 0; i < sect_size; i++) { + if (i == 1) flags = 0; + if (i == sect_size - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + + res = mfCGetBlock(baseblock + i, memBlock, flags); + if (res) { + PrintAndLog("Can't read block. %d error=%d", baseblock + i, res); + return 1; + } + + PrintAndLog("block %3d data:%s", baseblock + 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[256] = {0x00}; + int i, j, len, flags, gen = 0, numblock = 64; + + // 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`). 4K card: (option `4`)"); + PrintAndLog("Usage: hf mf csave [file name w/o `.eml`][e][4]"); + PrintAndLog("Sample: hf mf csave "); + PrintAndLog(" hf mf csave filename"); + PrintAndLog(" hf mf csave e"); + PrintAndLog(" hf mf csave 4"); + PrintAndLog(" hf mf csave filename 4"); + PrintAndLog(" hf mf csave e 4"); + return 0; + } + + char ctmp = param_getchar(Cmd, 0); + if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; + if (ctmp == '4') numblock = 256; + ctmp = param_getchar(Cmd, 1); + if (ctmp == '4') numblock = 256; + + gen = mfCIdentify(); + PrintAndLog("Saving magic mifare %dK", numblock == 256 ? 4:1); + + if (fillFromEmulator) { + // put into emulator + flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + for (i = 0; i < numblock; i++) { + if (i == 1) flags = 0; + if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + + 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 { + param_getstr(Cmd, 0, filename, sizeof(filename)); + + len = strlen(filename); + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + + ctmp = param_getchar(Cmd, 0); + if (len < 1 || (ctmp == '4')) { + // get filename + + flags = CSETBLOCK_SINGLE_OPER; + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + if (mfCGetBlock(0, buf, flags)) { + 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 < numblock; i++) { + if (i == 1) flags = 0; + if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + + if (gen == 2) + /* generation 1b magic card */ + flags |= CSETBLOCK_MAGIC_1B; + 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 parlen = 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; + uint8_t parity[16]; + + 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 (WaitForResponseTimeoutW(CMD_ACK, &resp, 2000, false)) { + res = resp.arg[0] & 0xff; + uint16_t traceLen = resp.arg[1]; + len = resp.arg[2]; + + if (res == 0) { // we are done + break; + } + + 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; + 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; + } + parlen = (len - 1) / 8 + 1; + 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 { + oddparitybuf(bufPtr, len, parity); + PrintAndLog("%s(%d):%s [%s] c[%s]%c", + isTag ? "TAG":"RDR", + num, + sprint_hex(bufPtr, len), + printBitsPar(bufPtr + len, len), + printBitsPar(parity, len), + memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' '); + if (wantLogToFile) + AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); + if (wantDecrypt) + mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile); + num++; + } + bufPtr += len; + bufPtr += parlen; // ignore parity + } + pckNum = 0; + } + } // resp not NULL + } // while (true) + + free(buf); + msleep(300); // wait for exiting arm side. + PrintAndLog("Done."); return 0; } -static command_t CommandTable[] = +//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"}, - {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, - {"chk", CmdHF14AMfChk, 0, "Test block up to 8 keys"}, - {"mifare", CmdHF14AMifare, 0, "Read parity error messages. param - <used card nonce>"}, - {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, - {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE 1k card"}, - {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, - {"eget", CmdHF14AMfEGet, 0, "Set simulator memory block"}, - {"eset", CmdHF14AMfESet, 0, "Get 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"}, - {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"}, + {"cwipe", CmdHF14AMfCWipe, 0, "Wipe magic Chinese card"}, + {"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;