[proxmark3-svn] / client / cmdhfmf.c

//-----------------------------------------------------------------------------\r
// Copyright (C) 2011,2012 Merlok\r
//\r
// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
// at your option, any later version. See the LICENSE.txt file for the text of\r
// the license.\r
//-----------------------------------------------------------------------------\r
// High frequency MIFARE commands\r
//-----------------------------------------------------------------------------\r
\r
#include "cmdhfmf.h"\r
#include "cmdhfmfhard.h"\r
#include "nonce2key/nonce2key.h"\r
\r
static int CmdHelp(const char *Cmd);\r
int usage_hf14_mifare(void){\r
	PrintAndLog("Usage:  hf mf mifare [h] <block number>");\r
	PrintAndLog("options:");\r
	PrintAndLog("           h    this help");\r
	PrintAndLog("           <block number>  (Optional) target other key A than block 0.");\r
	PrintAndLog("samples:");\r
	PrintAndLog("           hf mf mifare");\r
	PrintAndLog("           hf mf mifare 16");\r
	return 0;\r
}\r
int usage_hf14_mf1ksim(void){\r
	PrintAndLog("Usage:  hf mf sim  [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");\r
	PrintAndLog("      u    (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used");\r
	PrintAndLog("      n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
	PrintAndLog("      i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
	PrintAndLog("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r
	PrintAndLog("samples:");\r
	PrintAndLog("           hf mf sim u 0a0a0a0a");\r
	PrintAndLog("           hf mf sim u 11223344556677");\r
	PrintAndLog("           hf mf sim u 112233445566778899AA");	\r
	return 0;\r
}\r
int usage_hf14_dbg(void){\r
	PrintAndLog("Usage:  hf mf dbg [h] <debug level>");\r
	PrintAndLog("options:");\r
	PrintAndLog("           h    this help");	\r
	PrintAndLog("       <debug level>  (Optional) see list for valid levels");\r
	PrintAndLog("           0 - no debug messages");\r
	PrintAndLog("           1 - error messages");\r
	PrintAndLog("           2 - plus information messages");\r
	PrintAndLog("           3 - plus debug messages");\r
	PrintAndLog("           4 - print even debug messages in timing critical functions");\r
	PrintAndLog("               Note: this option therefore may cause malfunction itself");\r
	PrintAndLog("samples:");\r
	PrintAndLog("           hf mf dbg 3");\r
	return 0;\r
}\r
int usage_hf14_sniff(void){\r
	PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
	PrintAndLog("Usage:  hf mf sniff [h] [l] [d] [f]");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");\r
	PrintAndLog("      l    save encrypted sequence to logfile `uid.log`");\r
	PrintAndLog("      d    decrypt sequence and put it to log file `uid.log`");\r
//	PrintAndLog(" n/a  e     decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
	PrintAndLog("      f    decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
	PrintAndLog("sample:");\r
	PrintAndLog("           hf mf sniff l d f");\r
	return 0;\r
}\r
int usage_hf14_nested(void){\r
	PrintAndLog("Usage:");\r
	PrintAndLog(" all sectors:  hf mf nested  <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");\r
	PrintAndLog(" one sector:   hf mf nested  o <block number> <key A/B> <key (12 hex symbols)>");\r
	PrintAndLog("               <target block number> <target key A/B> [t]");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");\r
	PrintAndLog("      card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
	PrintAndLog("      t    transfer keys into emulator memory");\r
	PrintAndLog("      d    write keys to binary file");\r
	PrintAndLog(" ");\r
	PrintAndLog("samples:");\r
	PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF ");\r
	PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
	PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
	PrintAndLog("      hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
	return 0;\r
}\r
int usage_hf14_hardnested(void){\r
	PrintAndLog("Usage:");\r
	PrintAndLog("      hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");\r
	PrintAndLog("                       <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");\r
	PrintAndLog("  or  hf mf hardnested r [known target key]");\r
	PrintAndLog(" ");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");	\r
	PrintAndLog("      w    acquire nonces and write them to binary file nonces.bin");\r
	PrintAndLog("      s    slower acquisition (required by some non standard cards)");\r
	PrintAndLog("      r    read nonces.bin and start attack");\r
	PrintAndLog(" ");\r
	PrintAndLog("samples:");\r
	PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A");\r
	PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");\r
	PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");\r
	PrintAndLog("      hf mf hardnested r");\r
	PrintAndLog(" ");\r
	PrintAndLog("Add the known target key to check if it is present in the remaining key space:");\r
	PrintAndLog("      sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");\r
	return 0;\r
}\r
int usage_hf14_chk(void){\r
	PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
	PrintAndLog("options:");\r
	PrintAndLog("      h    this help");	\r
	PrintAndLog("      *    all sectors");\r
	PrintAndLog("      card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
	PrintAndLog("      d    write keys to binary file");\r
	PrintAndLog("      t    write keys to emulator memory\n");\r
	PrintAndLog(" ");\r
	PrintAndLog("samples:");\r
	PrintAndLog("      hf mf chk 0 A 1234567890ab keys.dic");\r
	PrintAndLog("      hf mf chk *1 ? t");\r
	PrintAndLog("      hf mf chk *1 ? d");\r
	return 0;\r
}\r
\r
int CmdHF14AMifare(const char *Cmd) {\r
	uint32_t uid = 0;\r
	uint32_t nt = 0, nr = 0;\r
	uint64_t par_list = 0, ks_list = 0, r_key = 0;\r
	int16_t isOK = 0;\r
	int tmpchar; \r
	uint8_t blockNo = 0;\r
	\r
	char cmdp = param_getchar(Cmd, 0);	\r
	if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare();\r
	\r
	blockNo = param_get8(Cmd, 0);\r
	UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 0}};\r
\r
	// message\r
	printf("-------------------------------------------------------------------------\n");\r
	printf("Executing darkside attack. Expected execution time: 25sec on average :-)\n");\r
	printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
	printf("-------------------------------------------------------------------------\n");\r
	clock_t t1 = clock();\r
	time_t start, end;\r
	time(&start);\r
	\r
start:\r
    clearCommandBuffer();\r
    SendCommand(&c);\r
	\r
	//flush queue\r
	while (ukbhit()) {\r
		tmpchar = getchar();\r
		(void)tmpchar;\r
	}\r
\r
	// wait cycle\r
	while (true) {\r
        printf(".");\r
		fflush(stdout);\r
		if (ukbhit()) {\r
			tmpchar = getchar();\r
			(void)tmpchar;\r
			printf("\naborted via keyboard!\n");\r
			break;\r
		}\r
		\r
		UsbCommand resp;\r
		if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r
			isOK  = resp.arg[0];\r
			printf("\n");\r
			uid = (uint32_t)bytes_to_num(resp.d.asBytes +  0, 4);\r
			nt =  (uint32_t)bytes_to_num(resp.d.asBytes +  4, 4);\r
			par_list = bytes_to_num(resp.d.asBytes +  8, 8);\r
			ks_list = bytes_to_num(resp.d.asBytes +  16, 8);\r
			nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
\r
			switch (isOK) {\r
				case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
				case -2 : PrintAndLog("Card isn't vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
				case -3 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
				case -4 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
						  PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
				default: ;\r
			}\r
			break;\r
		}\r
	}	\r
	printf("\n");\r
	\r
	// par == 0\r
	if (isOK == -1 && par_list == 0) {\r
		if (!nonce2key_ex(uid, nt, nr, ks_list, &r_key) ){\r
			PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
			goto END;\r
		}\r
	}\r
	\r
	// error\r
	if (isOK != 1) return 1;\r
	\r
	// execute original function from util nonce2key\r
	if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {\r
		isOK = 2;\r
		PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);	\r
		PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
		c.arg[0] = false;\r
		goto start;\r
	} else {\r
		PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
	}\r
END:\r
	t1 = clock() - t1;\r
	time(&end);\r
	unsigned long elapsed_time = difftime(end, start);	\r
	if ( t1 > 0 )\r
		PrintAndLog("Time in darkside: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
	return 0;\r
}\r
\r
int CmdHF14AMfWrBl(const char *Cmd) {\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
	\r
	char cmdp	= 0x00;\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf wrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");\r
		PrintAndLog("        sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");\r
		return 0;\r
	}	\r
\r
	blockNo = param_get8(Cmd, 0);\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp == 0x00) {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	if (param_gethex(Cmd, 3, bldata, 32)) {\r
		PrintAndLog("Block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
	PrintAndLog("--data: %s", sprint_hex(bldata, 16));\r
	\r
	UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
	memcpy(c.d.asBytes + 10, bldata, 16);\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		uint8_t isOK  = resp.arg[0] & 0xff;\r
		PrintAndLog("isOk:%02x", isOK);\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfRdBl(const char *Cmd) {\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	\r
	char cmdp	= 0x00;\r
\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf rdbl    <block number> <key A/B> <key (12 hex symbols)>");\r
		PrintAndLog("        sample: hf mf rdbl 0 A FFFFFFFFFFFF ");\r
		return 0;\r
	}	\r
	\r
	blockNo = param_get8(Cmd, 0);\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp == 0x00) {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
	\r
	UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		uint8_t isOK  = resp.arg[0] & 0xff;\r
		uint8_t *data = resp.d.asBytes;\r
\r
		if (isOK)\r
			PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));\r
		else\r
			PrintAndLog("isOk:%02x", isOK);\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
int CmdHF14AMfRdSc(const char *Cmd) {\r
	int i;\r
	uint8_t sectorNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t isOK  = 0;\r
	uint8_t *data  = NULL;\r
	char cmdp	= 0x00;\r
\r
	if (strlen(Cmd)<3) {\r
		PrintAndLog("Usage:  hf mf rdsc    <sector number> <key A/B> <key (12 hex symbols)>");\r
		PrintAndLog("        sample: hf mf rdsc 0 A FFFFFFFFFFFF ");\r
		return 0;\r
	}	\r
	\r
	sectorNo = param_get8(Cmd, 0);\r
	if (sectorNo > 39) {\r
		PrintAndLog("Sector number must be less than 40");\r
		return 1;\r
	}\r
	cmdp = param_getchar(Cmd, 1);\r
	if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (cmdp != 'A' && cmdp != 'a') keyType = 1;\r
	if (param_gethex(Cmd, 2, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));\r
	\r
	UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};\r
	memcpy(c.d.asBytes, key, 6);\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
	PrintAndLog(" ");\r
\r
	UsbCommand resp;\r
	if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
		isOK  = resp.arg[0] & 0xff;\r
		data  = resp.d.asBytes;\r
\r
		PrintAndLog("isOk:%02x", isOK);\r
		if (isOK) {\r
			for (i = 0; i < (sectorNo<32?3:15); i++) {\r
				PrintAndLog("data   : %s", sprint_hex(data + i * 16, 16));\r
			}\r
			PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));\r
		}\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
uint8_t FirstBlockOfSector(uint8_t sectorNo) {\r
	if (sectorNo < 32) {\r
		return sectorNo * 4;\r
	} else {\r
		return 32 * 4 + (sectorNo - 32) * 16;\r
	}\r
}\r
\r
uint8_t NumBlocksPerSector(uint8_t sectorNo) {\r
	if (sectorNo < 32) {\r
		return 4;\r
	} else {\r
		return 16;\r
	}\r
}\r
\r
int CmdHF14AMfDump(const char *Cmd) {\r
	uint8_t sectorNo, blockNo;\r
	\r
	uint8_t keyA[40][6];\r
	uint8_t keyB[40][6];\r
	uint8_t rights[40][4];\r
	uint8_t carddata[256][16];\r
	uint8_t numSectors = 16;\r
	\r
	FILE *fin;\r
	FILE *fout;\r
	\r
	UsbCommand resp;\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
	switch (cmdp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' : \r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}	\r
	\r
	if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
		PrintAndLog("Usage:   hf mf dump [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("Samples: hf mf dump");\r
		PrintAndLog("         hf mf dump 4");\r
		return 0;\r
	}\r
	\r
	if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpkeys.bin");\r
		return 1;\r
	}\r
	\r
	// Read keys A from file\r
	size_t bytes_read;\r
	for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
		bytes_read = fread( keyA[sectorNo], 1, 6, fin );\r
		if ( bytes_read == 0) {\r
			PrintAndLog("File reading error.");\r
			fclose(fin);\r
			return 2;\r
		}\r
	}\r
	\r
	// Read keys B from file\r
	for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
		bytes_read = fread( keyB[sectorNo], 1, 6, fin );\r
		if ( bytes_read == 0) {\r
			PrintAndLog("File reading error.");\r
			fclose(fin);\r
			return 2;\r
		}\r
	}\r
	\r
	fclose(fin);\r
\r
	PrintAndLog("|-----------------------------------------|");\r
	PrintAndLog("|------ Reading sector access bits...-----|");\r
	PrintAndLog("|-----------------------------------------|");\r
	\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};\r
		memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
		clearCommandBuffer();\r
		SendCommand(&c);\r
\r
		if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
			uint8_t isOK  = resp.arg[0] & 0xff;\r
			uint8_t *data  = resp.d.asBytes;\r
			if (isOK){\r
				rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0\r
				rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1\r
				rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2\r
				rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer\r
			} else {\r
				PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
				rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
				rights[sectorNo][3] = 0x01;\r
			}\r
		} else {\r
			PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);\r
			rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
			rights[sectorNo][3] = 0x01;\r
		}\r
	}\r
	\r
	PrintAndLog("|-----------------------------------------|");\r
	PrintAndLog("|----- Dumping all blocks to file... -----|");\r
	PrintAndLog("|-----------------------------------------|");\r
	\r
	bool isOK = true;\r
	for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
		for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
			bool received = false;\r
			\r
			if (blockNo == NumBlocksPerSector(sectorNo) - 1) {		// sector trailer. At least the Access Conditions can always be read with key A. \r
				UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
				memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
				clearCommandBuffer();\r
				SendCommand(&c);\r
				received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
			} else {												// data block. Check if it can be read with key A or key B\r
				uint8_t data_area = sectorNo<32?blockNo:blockNo/5;\r
				if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) {	// only key B would work\r
					UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};\r
					memcpy(c.d.asBytes, keyB[sectorNo], 6);\r
					SendCommand(&c);\r
					received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
				} else if (rights[sectorNo][data_area] == 0x07) {										// no key would work\r
					isOK = false;\r
					PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
				} else {																				// key A would work\r
					UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
					memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
					clearCommandBuffer();\r
					SendCommand(&c);\r
					received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
				}\r
			}\r
\r
			if (received) {\r
				isOK  = resp.arg[0] & 0xff;\r
				uint8_t *data  = resp.d.asBytes;\r
				if (blockNo == NumBlocksPerSector(sectorNo) - 1) {		// sector trailer. Fill in the keys.\r
					data[0]  = (keyA[sectorNo][0]);\r
					data[1]  = (keyA[sectorNo][1]);\r
					data[2]  = (keyA[sectorNo][2]);\r
					data[3]  = (keyA[sectorNo][3]);\r
					data[4]  = (keyA[sectorNo][4]);\r
					data[5]  = (keyA[sectorNo][5]);\r
					data[10] = (keyB[sectorNo][0]);\r
					data[11] = (keyB[sectorNo][1]);\r
					data[12] = (keyB[sectorNo][2]);\r
					data[13] = (keyB[sectorNo][3]);\r
					data[14] = (keyB[sectorNo][4]);\r
					data[15] = (keyB[sectorNo][5]);\r
				}\r
				if (isOK) {\r
					memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);\r
                    PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);\r
				} else {\r
					PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);\r
					break;\r
				}\r
			}\r
			else {\r
				isOK = false;\r
				PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);\r
				break;\r
			}\r
		}\r
	}\r
\r
	if (isOK) {\r
		if ((fout = fopen("dumpdata.bin","wb")) == NULL) { \r
			PrintAndLog("Could not create file name dumpdata.bin");\r
			return 1;\r
		}\r
		uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);\r
		fwrite(carddata, 1, 16*numblocks, fout);\r
		fclose(fout);\r
		PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);\r
	}\r
		\r
	return 0;\r
}\r
\r
int CmdHF14AMfRestore(const char *Cmd) {\r
	uint8_t sectorNo,blockNo;\r
	uint8_t keyType = 0;\r
	uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};\r
	uint8_t bldata[16] = {0x00};\r
	uint8_t keyA[40][6];\r
	uint8_t keyB[40][6];\r
	uint8_t numSectors;\r
	\r
	FILE *fdump;\r
	FILE *fkeys;\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
	switch (cmdp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' : \r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}	\r
\r
	if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
		PrintAndLog("Usage:   hf mf restore [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("Samples: hf mf restore");\r
		PrintAndLog("         hf mf restore 4");\r
		return 0;\r
	}\r
\r
	if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpkeys.bin");\r
		return 1;\r
	}\r
	\r
	size_t bytes_read;\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		bytes_read = fread( keyA[sectorNo], 1, 6, fkeys );\r
		if ( bytes_read == 0) {\r
			PrintAndLog("File reading error (dumpkeys.bin).");\r
			fclose(fkeys);\r
			return 2;\r
		}\r
	}\r
\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		bytes_read = fread( keyB[sectorNo], 1, 6, fkeys );\r
		if ( bytes_read == 0) {\r
			PrintAndLog("File reading error (dumpkeys.bin).");\r
			fclose(fkeys);\r
			return 2;\r
		}\r
	}\r
\r
	fclose(fkeys);\r
\r
	if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {\r
		PrintAndLog("Could not find file dumpdata.bin");\r
		return 1;\r
	}	\r
	PrintAndLog("Restoring dumpdata.bin to card");\r
\r
	for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
		for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
			UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};\r
			memcpy(c.d.asBytes, key, 6);			\r
			bytes_read = fread(bldata, 1, 16, fdump);\r
			if ( bytes_read == 0) {\r
				PrintAndLog("File reading error (dumpdata.bin).");\r
				fclose(fdump);\r
				return 2;\r
			}\r
					\r
			if (blockNo == NumBlocksPerSector(sectorNo) - 1) {	// sector trailer\r
				bldata[0]  = (keyA[sectorNo][0]);\r
				bldata[1]  = (keyA[sectorNo][1]);\r
				bldata[2]  = (keyA[sectorNo][2]);\r
				bldata[3]  = (keyA[sectorNo][3]);\r
				bldata[4]  = (keyA[sectorNo][4]);\r
				bldata[5]  = (keyA[sectorNo][5]);\r
				bldata[10] = (keyB[sectorNo][0]);\r
				bldata[11] = (keyB[sectorNo][1]);\r
				bldata[12] = (keyB[sectorNo][2]);\r
				bldata[13] = (keyB[sectorNo][3]);\r
				bldata[14] = (keyB[sectorNo][4]);\r
				bldata[15] = (keyB[sectorNo][5]);\r
			}		\r
			\r
			PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));\r
			\r
			memcpy(c.d.asBytes + 10, bldata, 16);\r
			clearCommandBuffer();\r
			SendCommand(&c);\r
\r
			UsbCommand resp;\r
			if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
				uint8_t isOK  = resp.arg[0] & 0xff;\r
				PrintAndLog("isOk:%02x", isOK);\r
			} else {\r
				PrintAndLog("Command execute timeout");\r
			}\r
		}\r
	}\r
	\r
	fclose(fdump);\r
	return 0;\r
}\r
\r
int CmdHF14AMfNested(const char *Cmd) {\r
	int i, j, res, iterations;\r
	sector *e_sector = NULL;\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t trgBlockNo = 0;\r
	uint8_t trgKeyType = 0;\r
	uint8_t SectorsCnt = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t keyBlock[6*6];\r
	uint64_t key64 = 0;\r
	bool transferToEml = false;\r
	\r
	bool createDumpFile = false;\r
	FILE *fkeys;\r
	uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
	uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
\r
	if (strlen(Cmd)<3) return usage_hf14_nested();\r
	\r
	char cmdp, ctmp;\r
	cmdp = param_getchar(Cmd, 0);\r
	blockNo = param_get8(Cmd, 1);\r
	ctmp = param_getchar(Cmd, 2);\r
\r
	if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	\r
	if (ctmp != 'A' && ctmp != 'a') \r
		keyType = 1;\r
		\r
	if (param_gethex(Cmd, 3, key, 12)) {\r
		PrintAndLog("Key must include 12 HEX symbols");\r
		return 1;\r
	}\r
	\r
	if (cmdp == 'o' || cmdp == 'O') {\r
		cmdp = 'o';\r
		trgBlockNo = param_get8(Cmd, 4);\r
		ctmp = param_getchar(Cmd, 5);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Target key type must be A or B");\r
			return 1;\r
		}\r
		if (ctmp != 'A' && ctmp != 'a') \r
			trgKeyType = 1;\r
	} else {\r
				\r
		switch (cmdp) {\r
			case '0': SectorsCnt = 05; break;\r
			case '1': SectorsCnt = 16; break;\r
			case '2': SectorsCnt = 32; break;\r
			case '4': SectorsCnt = 40; break;\r
			default:  SectorsCnt = 16;\r
		}\r
	}\r
\r
	ctmp = param_getchar(Cmd, 4);\r
	if		(ctmp == 't' || ctmp == 'T') transferToEml = true;\r
	else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;\r
	\r
	ctmp = param_getchar(Cmd, 6);\r
	transferToEml |= (ctmp == 't' || ctmp == 'T');\r
	transferToEml |= (ctmp == 'd' || ctmp == 'D');\r
	\r
	if (cmdp == 'o') {\r
		int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);\r
		switch (isOK) {\r
			case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
			case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
			case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;\r
			case -4 : PrintAndLog("No valid key found"); break;\r
			case -5 : \r
				key64 = bytes_to_num(keyBlock, 6);\r
\r
				// transfer key to the emulator\r
				if (transferToEml) {\r
					uint8_t sectortrailer;\r
					if (trgBlockNo < 32*4) { 	// 4 block sector\r
						sectortrailer = (trgBlockNo & 0x03) + 3;\r
					} else {					// 16 block sector\r
						sectortrailer = (trgBlockNo & 0x0f) + 15;\r
					}\r
					mfEmlGetMem(keyBlock, sectortrailer, 1);\r
			\r
					if (!trgKeyType)\r
						num_to_bytes(key64, 6, keyBlock);\r
					else\r
						num_to_bytes(key64, 6, &keyBlock[10]);\r
					mfEmlSetMem(keyBlock, sectortrailer, 1);		\r
				}\r
				return 0;\r
			default : PrintAndLog("Unknown Error.\n");\r
		}\r
		return 2;\r
	}\r
	else { // ------------------------------------  multiple sectors working\r
		clock_t t1 = clock();\r
		unsigned long elapsed_time;\r
		time_t start, end;\r
		time(&start);\r
		\r
		e_sector = calloc(SectorsCnt, sizeof(sector));\r
		if (e_sector == NULL) return 1;\r
		\r
		//test current key and additional standard keys first\r
		memcpy(keyBlock, key, 6);\r
		num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));\r
		num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));\r
		num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));\r
		num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));\r
		num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));\r
\r
		PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r
		for (i = 0; i < SectorsCnt; i++) {\r
			for (j = 0; j < 2; j++) {\r
				if (e_sector[i].foundKey[j]) continue;\r
				\r
				res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);\r
				\r
				if (!res) {\r
					e_sector[i].Key[j] = key64;\r
					e_sector[i].foundKey[j] = TRUE;\r
				}\r
			}\r
		}\r
		clock_t t2 = clock() - t1;\r
		time(&end);\r
		elapsed_time = difftime(end, start);	\r
		if ( t2 > 0 )\r
			PrintAndLog("Time to check 6 known keys: %.0f ticks %u seconds\n", (float)t2 , elapsed_time);\r
		\r
		PrintAndLog("enter nested...");	\r
		\r
		// nested sectors\r
		iterations = 0;\r
		bool calibrate = true;\r
\r
		for (i = 0; i < NESTED_SECTOR_RETRY; i++) {\r
			for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; ++sectorNo) {\r
				for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) { \r
\r
					if (e_sector[sectorNo].foundKey[trgKeyType]) continue;\r
					\r
					int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);\r
					switch (isOK) {\r
						case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
						case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
						case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;\r
						case -4 : //key not found\r
							calibrate = false;\r
							iterations++;\r
							continue; \r
						case -5 :\r
							calibrate = false;\r
							iterations++;\r
							e_sector[sectorNo].foundKey[trgKeyType] = 1;\r
							e_sector[sectorNo].Key[trgKeyType] = bytes_to_num(keyBlock, 6);\r
							continue;\r
							\r
						default : PrintAndLog("Unknown Error.\n");\r
					}\r
					free(e_sector);\r
					return 2;\r
				}\r
			}\r
		}\r
		\r
		t1 = clock() - t1;\r
		time(&end);\r
		elapsed_time = difftime(end, start);	\r
		if ( t1 > 0 )\r
			PrintAndLog("Time in nested: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
\r
\r
		// 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r
		PrintAndLog("trying to read key B...");\r
		for (i = 0; i < SectorsCnt; i++) {\r
			// KEY A  but not KEY B\r
			if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {\r
				\r
				uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
				\r
				PrintAndLog("Reading block %d", sectrail);\r
							\r
				UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};\r
				num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A\r
				clearCommandBuffer();\r
				SendCommand(&c);\r
\r
				UsbCommand resp;\r
				if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;\r
					\r
				uint8_t isOK  = resp.arg[0] & 0xff;\r
				if (!isOK) continue;\r
\r
				uint8_t *data = resp.d.asBytes;\r
				key64 = bytes_to_num(data+10, 6);\r
				if (key64) {\r
					PrintAndLog("Data:%s", sprint_hex(data+10, 6));\r
					e_sector[i].foundKey[1] = TRUE;\r
					e_sector[i].Key[1] = key64;\r
				}\r
			}\r
		}\r
\r
		\r
		//print them\r
		printKeyTable( SectorsCnt, e_sector );\r
		\r
		// transfer them to the emulator\r
		if (transferToEml) {\r
			for (i = 0; i < SectorsCnt; i++) {\r
				mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
				if (e_sector[i].foundKey[0])\r
					num_to_bytes(e_sector[i].Key[0], 6, keyBlock);\r
				if (e_sector[i].foundKey[1])\r
					num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);\r
				mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
			}		\r
		}\r
		\r
		// Create dump file\r
		if (createDumpFile) {\r
			if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { \r
				PrintAndLog("Could not create file dumpkeys.bin");\r
				free(e_sector);\r
				return 1;\r
			}\r
			PrintAndLog("Printing keys to binary file dumpkeys.bin...");\r
			for(i=0; i<SectorsCnt; i++) {\r
				if (e_sector[i].foundKey[0]){\r
					num_to_bytes(e_sector[i].Key[0], 6, tempkey);\r
					fwrite ( tempkey, 1, 6, fkeys );\r
				}\r
				else{\r
					fwrite ( &standart, 1, 6, fkeys );\r
				}\r
			}\r
			for(i=0; i<SectorsCnt; i++) {\r
				if (e_sector[i].foundKey[1]){\r
					num_to_bytes(e_sector[i].Key[1], 6, tempkey);\r
					fwrite ( tempkey, 1, 6, fkeys );\r
				}\r
				else{\r
					fwrite ( &standart, 1, 6, fkeys );\r
				}\r
			}\r
			fclose(fkeys);\r
		}\r
		\r
		free(e_sector);\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfNestedHard(const char *Cmd) {\r
	uint8_t blockNo = 0;\r
	uint8_t keyType = 0;\r
	uint8_t trgBlockNo = 0;\r
	uint8_t trgKeyType = 0;\r
	uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
	uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};\r
	\r
	char ctmp;\r
	ctmp = param_getchar(Cmd, 0);\r
	if (ctmp != 'H' && ctmp != 'h' ) return usage_hf14_hardnested();\r
	if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) return usage_hf14_hardnested();\r
	\r
	bool know_target_key = false;\r
	bool nonce_file_read = false;\r
	bool nonce_file_write = false;\r
	bool slow = false;\r
	int tests = 0;\r
	\r
	if (ctmp == 'R' || ctmp == 'r') {\r
		nonce_file_read = true;\r
		if (!param_gethex(Cmd, 1, trgkey, 12)) {\r
			know_target_key = true;\r
		}\r
	} else if (ctmp == 'T' || ctmp == 't') {\r
		tests = param_get32ex(Cmd, 1, 100, 10);\r
	} else {\r
		blockNo = param_get8(Cmd, 0);\r
		ctmp = param_getchar(Cmd, 1);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Key type must be A or B");\r
			return 1;\r
		}\r
		if (ctmp != 'A' && ctmp != 'a') { \r
			keyType = 1;\r
		}\r
		\r
		if (param_gethex(Cmd, 2, key, 12)) {\r
			PrintAndLog("Key must include 12 HEX symbols");\r
			return 1;\r
		}\r
		\r
		trgBlockNo = param_get8(Cmd, 3);\r
		ctmp = param_getchar(Cmd, 4);\r
		if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
			PrintAndLog("Target key type must be A or B");\r
			return 1;\r
		}\r
		if (ctmp != 'A' && ctmp != 'a') {\r
			trgKeyType = 1;\r
		}\r
\r
		uint16_t i = 5;\r
\r
		if (!param_gethex(Cmd, 5, trgkey, 12)) {\r
			know_target_key = true;\r
			i++;\r
		}\r
\r
		while ((ctmp = param_getchar(Cmd, i))) {\r
			if (ctmp == 's' || ctmp == 'S') {\r
				slow = true;\r
			} else if (ctmp == 'w' || ctmp == 'W') {\r
				nonce_file_write = true;\r
			} else {\r
				PrintAndLog("Possible options are w and/or s");\r
				return 1;\r
			}\r
			i++;\r
		}\r
	}\r
\r
	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 ", \r
			trgBlockNo, \r
			trgKeyType?'B':'A', \r
			trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],\r
			know_target_key?"":" (not set)",\r
			nonce_file_write?"write":nonce_file_read?"read":"none",\r
			slow?"Yes":"No",\r
			tests);\r
\r
	int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);\r
\r
	if (isOK) {\r
		switch (isOK) {\r
			case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
			case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
			default : break;\r
		}\r
		return 2;\r
	}\r
\r
	return 0;\r
}\r
\r
int CmdHF14AMfChk(const char *Cmd) {\r
\r
	if (strlen(Cmd)<3) return usage_hf14_chk();\r
\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE]={0};\r
	char buf[13];\r
	uint8_t *keyBlock = NULL, *p;\r
	uint8_t stKeyBlock = 20;\r
	\r
	sector *e_sector = NULL;\r
	\r
	int i, res;\r
	int	keycnt = 0;\r
	char ctmp	= 0x00;\r
	uint8_t blockNo = 0;\r
	uint8_t SectorsCnt = 1;\r
	uint8_t keyType = 0;\r
	uint64_t key64 = 0;\r
	\r
	uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
		\r
	int transferToEml = 0;\r
	int createDumpFile = 0;\r
\r
	keyBlock = calloc(stKeyBlock, 6);\r
	if (keyBlock == NULL) return 1;\r
\r
	uint64_t defaultKeys[] = {\r
		0xffffffffffff, // Default key (first key used by program if no user defined key)\r
		0x000000000000, // Blank key\r
		0xa0a1a2a3a4a5, // NFCForum MAD key\r
		0xb0b1b2b3b4b5,\r
		0xaabbccddeeff,\r
		0x4d3a99c351dd,\r
		0x1a982c7e459a,\r
		0xd3f7d3f7d3f7,\r
		0x714c5c886e97,\r
		0x587ee5f9350f,\r
		0xa0478cc39091,\r
		0x533cb6c723f6,\r
		0x8fd0a4f256e9\r
	};\r
	int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);\r
\r
	for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)\r
		num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
\r
	\r
	if (param_getchar(Cmd, 0)=='*') {\r
		blockNo = 3;\r
		switch(param_getchar(Cmd+1, 0)) {\r
			case '0': SectorsCnt =  5; break;\r
			case '1': SectorsCnt = 16; break;\r
			case '2': SectorsCnt = 32; break;\r
			case '4': SectorsCnt = 40; break;\r
			default:  SectorsCnt = 16;\r
		}\r
	} else {\r
		blockNo = param_get8(Cmd, 0);\r
	}\r
	\r
	ctmp = param_getchar(Cmd, 1);\r
	switch (ctmp) {	\r
	case 'a': case 'A':\r
		keyType = !0;\r
		break;\r
	case 'b': case 'B':\r
		keyType = !1;\r
		break;\r
	case '?':\r
		keyType = 2;\r
		break;\r
	default:\r
		PrintAndLog("Key type must be A , B or ?");\r
		free(keyBlock);\r
		return 1;\r
	};\r
	\r
	ctmp = param_getchar(Cmd, 2);\r
	if		(ctmp == 't' || ctmp == 'T') transferToEml = 1;\r
	else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;\r
	\r
	for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {\r
		if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r
			if ( stKeyBlock - keycnt < 2) {\r
				p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
				if (!p) {\r
					PrintAndLog("Cannot allocate memory for Keys");\r
					free(keyBlock);\r
					return 2;\r
				}\r
				keyBlock = p;\r
			}\r
			PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
			(keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
			(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],	(keyBlock + 6*keycnt)[5], 6);\r
			keycnt++;\r
		} else {\r
			// May be a dic file\r
			if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {\r
				PrintAndLog("File name too long");\r
				free(keyBlock);\r
				return 2;\r
			}\r
			\r
			if ( (f = fopen( filename , "r")) ) {\r
				while( fgets(buf, sizeof(buf), f) ){\r
					if (strlen(buf) < 12 || buf[11] == '\n')\r
						continue;\r
				\r
					while (fgetc(f) != '\n' && !feof(f)) ;  //goto next line\r
					\r
					if( buf[0]=='#' ) continue;	//The line start with # is comment, skip\r
\r
					if (!isxdigit(buf[0])){\r
						PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
						continue;\r
					}\r
					\r
					buf[12] = 0;\r
\r
					if ( stKeyBlock - keycnt < 2) {\r
						p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
						if (!p) {\r
							PrintAndLog("Cannot allocate memory for defKeys");\r
							free(keyBlock);\r
							fclose(f);\r
							return 2;\r
						}\r
						keyBlock = p;\r
					}\r
					memset(keyBlock + 6 * keycnt, 0, 6);\r
					num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
					PrintAndLog("check key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
					keycnt++;\r
					memset(buf, 0, sizeof(buf));\r
				}\r
				fclose(f);\r
			} else {\r
				PrintAndLog("File: %s: not found or locked.", filename);\r
				free(keyBlock);\r
				return 1;\r
			\r
			}\r
		}\r
	}\r
	\r
	if (keycnt == 0) {\r
		PrintAndLog("No key specified, trying default keys");\r
		for (;keycnt < defaultKeysSize; keycnt++)\r
			PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
				(keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
				(keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],	(keyBlock + 6*keycnt)[5], 6);\r
	}\r
	\r
	// initialize storage for found keys\r
	e_sector = calloc(SectorsCnt, sizeof(sector));\r
	if (e_sector == NULL) {\r
		free(keyBlock);\r
		return 1;\r
	}\r
\r
	// empty e_sector\r
	for(int i = 0; i < SectorsCnt; ++i){\r
		e_sector[i].Key[0] = 0xffffffffffff;\r
		e_sector[i].Key[1] = 0xffffffffffff;\r
		e_sector[i].foundKey[0] = FALSE;\r
		e_sector[i].foundKey[1] = FALSE;\r
	}\r
		\r
	\r
	uint8_t trgKeyType = 0;\r
	uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;\r
	\r
	// time\r
	clock_t t1 = clock();\r
	time_t start, end;\r
	time(&start);\r
	\r
	// check keys.\r
	for (trgKeyType = !keyType;  trgKeyType < 2;  (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) {\r
\r
		int b = blockNo;\r
		for (int i = 0; i < SectorsCnt; ++i) {\r
			\r
			// skip already found keys.\r
			if (e_sector[i].foundKey[trgKeyType]) continue;\r
						\r
			for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
				\r
				uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
				\r
				res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);\r
				if (!res) {\r
					e_sector[i].Key[trgKeyType] = key64;\r
					e_sector[i].foundKey[trgKeyType] = TRUE;\r
					break;\r
				}\r
				printf(".");\r
				fflush(stdout);\r
			}\r
			b < 127 ? ( b +=4 ) : ( b += 16 );	\r
		}\r
	}\r
	t1 = clock() - t1;\r
	time(&end);\r
	unsigned long elapsed_time = difftime(end, start);	\r
	if ( t1 > 0 )\r
		PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
\r
		\r
	// 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r
	if ( keyType != 1 ) {\r
		PrintAndLog("testing to read key B...");\r
		for (i = 0; i < SectorsCnt; i++) {\r
			// KEY A  but not KEY B\r
			if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {\r
							\r
				uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
				\r
				PrintAndLog("Reading block %d", sectrail);\r
				\r
				UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};\r
				num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A\r
				clearCommandBuffer();\r
				SendCommand(&c);\r
\r
				UsbCommand resp;\r
				if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;\r
					\r
				uint8_t isOK  = resp.arg[0] & 0xff;\r
				if (!isOK) continue;\r
\r
				uint8_t *data = resp.d.asBytes;\r
				key64 = bytes_to_num(data+10, 6);\r
				if (key64) {\r
					PrintAndLog("Data:%s", sprint_hex(data+10, 6));\r
					e_sector[i].foundKey[1] = 1;\r
					e_sector[i].Key[1] = key64;\r
				}\r
			}\r
		}\r
	}\r
\r
\r
	//print them\r
	printKeyTable( SectorsCnt, e_sector );\r
	\r
	if (transferToEml) {\r
		uint8_t block[16] = {0x00};\r
		for (uint8_t i = 0; i < SectorsCnt; ++i ) {\r
			mfEmlGetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
			if (e_sector[i].foundKey[0])\r
				num_to_bytes(e_sector[i].Key[0], 6, block);\r
			if (e_sector[i].foundKey[1])\r
				num_to_bytes(e_sector[i].Key[1], 6, block+10);\r
			mfEmlSetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
		}\r
		PrintAndLog("Found keys have been transferred to the emulator memory");\r
	}\r
	\r
	if (createDumpFile) {\r
		FILE *fkeys = fopen("dumpkeys.bin","wb");\r
		if (fkeys == NULL) { \r
			PrintAndLog("Could not create file dumpkeys.bin");\r
			free(keyBlock);\r
			free(e_sector);\r
			return 1;\r
		}\r
		PrintAndLog("Printing keys to binary file dumpkeys.bin...");\r
	\r
		for( i=0; i<SectorsCnt; i++) {\r
			num_to_bytes(e_sector[i].Key[0], 6, tempkey);\r
			fwrite ( tempkey, 1, 6, fkeys );\r
		}\r
		for(i=0; i<SectorsCnt; i++) {\r
			num_to_bytes(e_sector[i].Key[1], 6, tempkey);\r
			fwrite ( tempkey, 1, 6, fkeys );\r
		}\r
		fclose(fkeys);\r
		PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");			\r
	}\r
	\r
	free(keyBlock);\r
	free(e_sector);\r
	PrintAndLog("");\r
	return 0;\r
}\r
\r
int CmdHF14AMf1kSim(const char *Cmd) {\r
	uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
	uint8_t exitAfterNReads = 0;\r
	uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA);\r
	int uidlen = 0;\r
	uint8_t pnr = 0;\r
	uint8_t cmdp = param_getchar(Cmd, 0);\r
\r
	if (cmdp == 'h' || cmdp == 'H') return usage_hf14_mf1ksim();\r
\r
	cmdp = param_getchar(Cmd, pnr);\r
	if (cmdp == 'u' || cmdp == 'U') {\r
		param_gethex_ex(Cmd, pnr+1, uid, &uidlen);\r
		switch(uidlen){\r
			case 20: flags = FLAG_10B_UID_IN_DATA;	break;\r
			case 14: flags = FLAG_7B_UID_IN_DATA; break;\r
			case  8: flags = FLAG_4B_UID_IN_DATA; break;\r
			default: return usage_hf14_mf1ksim();\r
		}\r
		pnr +=2;\r
	}\r
\r
	cmdp = param_getchar(Cmd, pnr);	\r
	if (cmdp == 'n' || cmdp == 'N') {\r
		exitAfterNReads = param_get8(Cmd, pnr+1);\r
		pnr += 2;\r
	}\r
\r
	cmdp = param_getchar(Cmd, pnr);		\r
	if (cmdp == 'i' || cmdp == 'I' ) {\r
		flags |= FLAG_INTERACTIVE;\r
		pnr++;\r
	}\r
\r
	cmdp = param_getchar(Cmd, pnr);	\r
	if (cmdp == 'x' || cmdp == 'X') {\r
		flags |= FLAG_NR_AR_ATTACK;\r
	}\r
	\r
	PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) "\r
				, (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen>>1)\r
				, exitAfterNReads\r
				, flags\r
				, flags);\r
\r
	UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads, 0}};\r
	memcpy(c.d.asBytes, uid, sizeof(uid));\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
\r
	if(flags & FLAG_INTERACTIVE) {		\r
		uint8_t data[32];\r
		uint64_t key;\r
		UsbCommand resp;		\r
		PrintAndLog("Press pm3-button or send another cmd to abort simulation");\r
		while( !ukbhit() ){\r
			if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;\r
\r
			if ( !(flags & FLAG_NR_AR_ATTACK) ) break;\r
			if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;\r
\r
			memset(data, 0x00, sizeof(data));	\r
			int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];\r
\r
			memcpy(data, resp.d.asBytes, len);			\r
			key = 0;\r
			bool found = tryMfk32(data, &key);\r
			found ^= tryMfk32_moebius(data, &key);\r
			if ( found ) break;\r
		}\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfSniff(const char *Cmd){\r
	bool wantLogToFile = FALSE;\r
	bool wantDecrypt = FALSE;\r
	//bool wantSaveToEml = FALSE; TODO\r
	bool wantSaveToEmlFile = FALSE;\r
\r
	//var \r
	int tmpchar;\r
	int res = 0;\r
	int len = 0;\r
	int blockLen = 0;\r
	int pckNum = 0;\r
	int num = 0;\r
	uint8_t uid[10];\r
	uint8_t uid_len = 0;\r
	uint8_t atqa[2] = {0x00, 0x00};\r
	uint8_t sak = 0;\r
	bool isTag = FALSE;\r
	uint8_t *buf = NULL;\r
	uint16_t bufsize = 0;\r
	uint8_t *bufPtr = NULL;\r
	uint16_t traceLen = 0;\r
	\r
	memset(uid, 0x00, sizeof(uid));\r
	\r
	char ctmp = param_getchar(Cmd, 0);\r
	if ( ctmp == 'h' || ctmp == 'H' ) return usage_hf14_sniff();\r
	\r
	for (int i = 0; i < 4; i++) {\r
		ctmp = param_getchar(Cmd, i);\r
		if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;\r
		if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;\r
		//if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO\r
		if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;\r
	}\r
	\r
	printf("-------------------------------------------------------------------------\n");\r
	printf("Executing mifare sniffing command. \n");\r
	printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");\r
	printf("Press the key on pc keyboard to abort the client.\n");\r
	printf("-------------------------------------------------------------------------\n");\r
\r
	UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};\r
	clearCommandBuffer();\r
	SendCommand(&c);\r
\r
	// wait cycle\r
	while (true) {\r
		printf(".");\r
		fflush(stdout);\r
		if (ukbhit()) {\r
			tmpchar = getchar();\r
			(void)tmpchar;\r
			printf("\naborted via keyboard!\n");\r
			break;\r
		}\r
		\r
		UsbCommand resp;\r
		if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {\r
			res = resp.arg[0] & 0xff;\r
			traceLen = resp.arg[1];\r
			len = resp.arg[2];\r
\r
			// we are done?\r
			if (res == 0) {\r
				free(buf);\r
				return 0;\r
			}\r
\r
			if (res == 1) {								// there is (more) data to be transferred\r
				if (pckNum == 0) {						// first packet, (re)allocate necessary buffer\r
					if (traceLen > bufsize) {\r
						uint8_t *p;\r
						if (buf == NULL)				// not yet allocated\r
							p = malloc(traceLen);\r
						else						// need more memory\r
							p = realloc(buf, traceLen);\r
						\r
						if (p == NULL) {\r
							PrintAndLog("Cannot allocate memory for trace");\r
							free(buf);\r
							return 2;\r
						}\r
						buf = p;\r
					}\r
					bufPtr = buf;\r
					bufsize = traceLen;\r
					memset(buf, 0x00, traceLen);\r
				}\r
				if (bufPtr == NULL) {\r
					PrintAndLog("Cannot allocate memory for trace");\r
					free(buf);\r
					return 2;\r
				}\r
				// what happens if LEN is bigger then TRACELEN --iceman\r
				memcpy(bufPtr, resp.d.asBytes, len);\r
				bufPtr += len;\r
				pckNum++;\r
			}\r
\r
			if (res == 2) {								// received all data, start displaying\r
				blockLen = bufPtr - buf;\r
				bufPtr = buf;\r
				printf(">\n");\r
				PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
				while (bufPtr - buf < blockLen) {\r
					bufPtr += 6;						// skip (void) timing information\r
					len = *((uint16_t *)bufPtr);\r
					if(len & 0x8000) {\r
						isTag = true;\r
						len &= 0x7fff;\r
					} else {\r
						isTag = false;\r
					}\r
					bufPtr += 2;\r
					if ((len == 17) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[15] == 0xff) && (bufPtr[16] == 0xff)) {\r
						memcpy(uid, bufPtr + 2, 10);\r
						memcpy(atqa, bufPtr + 2 + 10, 2);\r
						switch (atqa[0] & 0xC0) {\r
							case 0x80: uid_len = 10; break;\r
							case 0x40: uid_len = 7; break;\r
							default:   uid_len = 4; break;\r
						}\r
						sak = bufPtr[14];\r
						PrintAndLog("tag select uid| %s atqa:0x%02x%02x sak:0x%02x", \r
							sprint_hex(uid, uid_len),\r
							atqa[1], \r
							atqa[0], \r
							sak);\r
						if (wantLogToFile || wantDecrypt) {\r
							FillFileNameByUID(logHexFileName, uid, ".log", uid_len);\r
							AddLogCurrentDT(logHexFileName);\r
						}						\r
						if (wantDecrypt)\r
							mfTraceInit(uid, uid_len, atqa, sak, wantSaveToEmlFile);\r
					} else {\r
						PrintAndLog("%03d| %s |%s", num, isTag ? "TAG" : "RDR", sprint_hex(bufPtr, len));\r
						if (wantLogToFile) \r
							AddLogHex(logHexFileName, isTag ? "TAG| ":"RDR| ", bufPtr, len);\r
						if (wantDecrypt) \r
							mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
						num++;	\r
					}\r
					bufPtr += len;\r
					bufPtr += ((len-1)/8+1);	// ignore parity\r
				}\r
				pckNum = 0;\r
			}\r
		} // resp not NULL\r
	} // while (true)\r
\r
	free(buf);\r
	return 0;\r
}\r
\r
int CmdHF14AMfDbg(const char *Cmd) {\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if (strlen(Cmd) < 1  || ctmp == 'h'|| ctmp == 'H') return usage_hf14_dbg();\r
	\r
	uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10);\r
	if (dbgMode > 4) return usage_hf14_dbg();\r
\r
	UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
void printKeyTable( uint8_t sectorscnt, sector *e_sector ){\r
	PrintAndLog("|---|----------------|---|----------------|---|");\r
	PrintAndLog("|sec|key A           |res|key B           |res|");\r
	PrintAndLog("|---|----------------|---|----------------|---|");\r
	for (uint8_t i = 0; i < sectorscnt; ++i) {\r
		PrintAndLog("|%03d|  %012"llx"  | %d |  %012"llx"  | %d |", i,\r
			e_sector[i].Key[0], e_sector[i].foundKey[0], \r
			e_sector[i].Key[1], e_sector[i].foundKey[1]\r
		);\r
	}\r
	PrintAndLog("|---|----------------|---|----------------|---|");\r
}\r
\r
// EMULATOR COMMANDS\r
\r
int CmdHF14AMfEGet(const char *Cmd)\r
{\r
	uint8_t blockNo = 0;\r
	uint8_t data[16] = {0x00};\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eget <block number>");\r
		PrintAndLog(" sample: hf mf eget 0 ");\r
		return 0;\r
	}	\r
	\r
	blockNo = param_get8(Cmd, 0);\r
\r
	PrintAndLog(" ");\r
	if (!mfEmlGetMem(data, blockNo, 1)) {\r
		PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));\r
	} else {\r
		PrintAndLog("Command execute timeout");\r
	}\r
\r
  return 0;\r
}\r
\r
int CmdHF14AMfEClear(const char *Cmd)\r
{\r
	if (param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eclr");\r
		PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");\r
		return 0;\r
	}	\r
\r
	UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
int CmdHF14AMfESet(const char *Cmd)\r
{\r
	uint8_t memBlock[16];\r
	uint8_t blockNo = 0;\r
\r
	memset(memBlock, 0x00, sizeof(memBlock));\r
\r
	if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf eset <block number> <block data (32 hex symbols)>");\r
		PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");\r
		return 0;\r
	}	\r
	\r
	blockNo = param_get8(Cmd, 0);\r
	\r
	if (param_gethex(Cmd, 1, memBlock, 32)) {\r
		PrintAndLog("block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
	\r
	//  1 - blocks count\r
	UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};\r
	memcpy(c.d.asBytes, memBlock, 16);\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
int CmdHF14AMfELoad(const char *Cmd)\r
{\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char *fnameptr = filename;\r
	char buf[64] = {0x00};\r
	uint8_t buf8[64] = {0x00};\r
	int i, len, blockNum, numBlocks;\r
	int nameParamNo = 1;\r
	uint8_t blockWidth = 32;\r
	char ctmp = param_getchar(Cmd, 0);\r
		\r
	if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {\r
		PrintAndLog("It loads emul dump from the file `filename.eml`");\r
		PrintAndLog("Usage:  hf mf eload [card memory] <file name w/o `.eml`> [numblocks]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf eload filename");\r
		PrintAndLog("         hf mf eload 4 filename");\r
		return 0;\r
	}	\r
\r
	switch (ctmp) {\r
		case '0' : numBlocks = 5*4; break;\r
		case '1' : \r
		case '\0': numBlocks = 16*4; break;\r
		case '2' : numBlocks = 32*4; break;\r
		case '4' : numBlocks = 256; break;\r
		case 'U' : // fall through\r
		case 'u' : numBlocks = 255; blockWidth = 8; break;\r
		default:  {\r
			numBlocks = 16*4;\r
			nameParamNo = 0;\r
		}\r
	}\r
	uint32_t numblk2 = param_get32ex(Cmd,2,0,10);\r
	if (numblk2 > 0) numBlocks = numblk2;	\r
\r
	len = param_getstr(Cmd,nameParamNo,filename);\r
	\r
	if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
	fnameptr += len;\r
\r
	sprintf(fnameptr, ".eml"); \r
	\r
	// open file\r
	f = fopen(filename, "r");\r
	if (f == NULL) {\r
		PrintAndLog("File %s not found or locked", filename);\r
		return 1;\r
	}\r
	\r
	blockNum = 0;\r
	while(!feof(f)){\r
		memset(buf, 0, sizeof(buf));\r
		\r
		if (fgets(buf, sizeof(buf), f) == NULL) {\r
			\r
			if (blockNum >= numBlocks) break;\r
			\r
			PrintAndLog("File reading error.");\r
			fclose(f);\r
			return 2;\r
		}\r
		\r
		if (strlen(buf) < blockWidth){\r
			if(strlen(buf) && feof(f))\r
				break;\r
			PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);\r
			fclose(f);\r
			return 2;\r
		}\r
		\r
		for (i = 0; i < blockWidth; i += 2) {\r
			sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
		}\r
		if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {\r
			PrintAndLog("Cant set emul block: %3d", blockNum);\r
			fclose(f);\r
			return 3;\r
		}\r
		printf(".");\r
		blockNum++;\r
		\r
		if (blockNum >= numBlocks) break;\r
	}\r
	fclose(f);\r
	printf("\n");\r
	\r
	if ((blockNum != numBlocks)) {\r
		PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);\r
		return 4;\r
	}\r
	PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);\r
	return 0;\r
}\r
\r
int CmdHF14AMfESave(const char *Cmd)\r
{\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char * fnameptr = filename;\r
	uint8_t buf[64];\r
	int i, j, len, numBlocks;\r
	int nameParamNo = 1;\r
	\r
	memset(filename, 0, sizeof(filename));\r
	memset(buf, 0, sizeof(buf));\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	\r
	if ( ctmp == 'h' || ctmp == 'H') {\r
		PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");\r
		PrintAndLog(" Usage:  hf mf esave [card memory] [file name w/o `.eml`]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf esave ");\r
		PrintAndLog("         hf mf esave 4");\r
		PrintAndLog("         hf mf esave 4 filename");\r
		return 0;\r
	}	\r
\r
	switch (ctmp) {\r
		case '0' : numBlocks = 5*4; break;\r
		case '1' : \r
		case '\0': numBlocks = 16*4; break;\r
		case '2' : numBlocks = 32*4; break;\r
		case '4' : numBlocks = 256; break;\r
		default:  {\r
			numBlocks = 16*4;\r
			nameParamNo = 0;\r
		}\r
	}\r
\r
	len = param_getstr(Cmd,nameParamNo,filename);\r
	\r
	if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
	\r
	// user supplied filename?\r
	if (len < 1) {\r
		// get filename (UID from memory)\r
		if (mfEmlGetMem(buf, 0, 1)) {\r
			PrintAndLog("Can\'t get UID from block: %d", 0);\r
			len = sprintf(fnameptr, "dump");\r
			fnameptr += len;\r
		}\r
		else {\r
			for (j = 0; j < 7; j++, fnameptr += 2)\r
				sprintf(fnameptr, "%02X", buf[j]);\r
		}\r
	} else {\r
		fnameptr += len;\r
	}\r
\r
	// add file extension\r
	sprintf(fnameptr, ".eml"); \r
	\r
	// open file\r
	f = fopen(filename, "w+");\r
\r
	if ( !f ) {\r
		PrintAndLog("Can't open file %s ", filename);\r
		return 1;\r
	}\r
	\r
	// put hex\r
	for (i = 0; i < numBlocks; i++) {\r
		if (mfEmlGetMem(buf, i, 1)) {\r
			PrintAndLog("Cant get block: %d", i);\r
			break;\r
		}\r
		for (j = 0; j < 16; j++)\r
			fprintf(f, "%02X", buf[j]); \r
		fprintf(f,"\n");\r
	}\r
	fclose(f);\r
	\r
	PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);\r
	\r
  return 0;\r
}\r
\r
int CmdHF14AMfECFill(const char *Cmd)\r
{\r
	uint8_t keyType = 0;\r
	uint8_t numSectors = 16;\r
	\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf ecfill <key A/B> [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog("samples:  hf mf ecfill A");\r
		PrintAndLog("          hf mf ecfill A 4");\r
		PrintAndLog("Read card and transfer its data to emulator memory.");\r
		PrintAndLog("Keys must be laid in the emulator memory. \n");\r
		return 0;\r
	}	\r
\r
	char ctmp = param_getchar(Cmd, 0);\r
	if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
		PrintAndLog("Key type must be A or B");\r
		return 1;\r
	}\r
	if (ctmp != 'A' && ctmp != 'a') keyType = 1;\r
\r
	ctmp = param_getchar(Cmd, 1);\r
	switch (ctmp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' : \r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}	\r
\r
	printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);\r
	UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};\r
	SendCommand(&c);\r
	return 0;\r
}\r
\r
int CmdHF14AMfEKeyPrn(const char *Cmd)\r
{\r
	int i;\r
	uint8_t numSectors;\r
	uint8_t data[16];\r
	uint64_t keyA, keyB;\r
\r
	char cmdp = param_getchar(Cmd, 0);\r
	\r
	if ( cmdp == 'h' || cmdp == 'H' ) {\r
		PrintAndLog("It prints the keys loaded in the emulator memory");\r
		PrintAndLog("Usage:  hf mf ekeyprn [card memory]");\r
		PrintAndLog("  [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
		PrintAndLog("");\r
		PrintAndLog(" sample: hf mf ekeyprn 1");\r
		return 0;\r
	}	\r
\r
	switch (cmdp) {\r
		case '0' : numSectors = 5; break;\r
		case '1' : \r
		case '\0': numSectors = 16; break;\r
		case '2' : numSectors = 32; break;\r
		case '4' : numSectors = 40; break;\r
		default:   numSectors = 16;\r
	}		\r
	\r
	PrintAndLog("|---|----------------|----------------|");\r
	PrintAndLog("|sec|key A           |key B           |");\r
	PrintAndLog("|---|----------------|----------------|");\r
	for (i = 0; i < numSectors; i++) {\r
		if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {\r
			PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
			break;\r
		}\r
		keyA = bytes_to_num(data, 6);\r
		keyB = bytes_to_num(data + 10, 6);\r
		PrintAndLog("|%03d|  %012"llx"  |  %012"llx"  |", i, keyA, keyB);\r
	}\r
	PrintAndLog("|---|----------------|----------------|");\r
	\r
	return 0;\r
}\r
\r
// CHINESE MAGIC COMMANDS \r
\r
int CmdHF14AMfCSetUID(const char *Cmd) {\r
	uint8_t wipeCard = 0;\r
	uint8_t uid[8] = {0x00};\r
	uint8_t oldUid[8] = {0x00};\r
	uint8_t atqa[2] = {0x00};\r
	uint8_t sak[1] = {0x00};\r
	uint8_t atqaPresent = 1;\r
	int res;\r
	char ctmp;\r
	int argi=0;\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {\r
		PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");\r
		PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");\r
		PrintAndLog("");\r
		PrintAndLog("Usage:  hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");\r
		PrintAndLog("");\r
		PrintAndLog("sample:  hf mf csetuid 01020304");\r
		PrintAndLog("         hf mf csetuid 01020304 0004 08 w");\r
		return 0;\r
	}\r
\r
	if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {\r
		PrintAndLog("UID must include 8 HEX symbols");\r
		return 1;\r
	}\r
	argi++;\r
\r
	ctmp = param_getchar(Cmd, argi);\r
	if (ctmp == 'w' || ctmp == 'W') {\r
		wipeCard = 1;\r
		atqaPresent = 0;\r
	}\r
\r
	if (atqaPresent) {\r
		if (param_getchar(Cmd, argi)) {\r
			if (param_gethex(Cmd, argi, atqa, 4)) {\r
				PrintAndLog("ATQA must include 4 HEX symbols");\r
				return 1;\r
			}\r
			argi++;\r
			if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {\r
				PrintAndLog("SAK must include 2 HEX symbols");\r
				return 1;\r
			}\r
			argi++;\r
		} else\r
			atqaPresent = 0;\r
	}\r
\r
	if(!wipeCard) {\r
		ctmp = param_getchar(Cmd, argi);\r
		if (ctmp == 'w' || ctmp == 'W') {\r
			wipeCard = 1;\r
		}\r
	}\r
\r
	PrintAndLog("--wipe card:%s  uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));\r
\r
	res = mfCSetUID(uid, (atqaPresent) ? atqa : NULL, (atqaPresent) ? sak : NULL, oldUid, wipeCard);\r
	if (res) {\r
			PrintAndLog("Can't set UID. error=%d", res);\r
			return 1;\r
		}\r
	\r
	PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));\r
	PrintAndLog("new UID:%s", sprint_hex(uid, 4));\r
	return 0;\r
}\r
\r
int CmdHF14AMfCSetBlk(const char *Cmd) {\r
	uint8_t block[16] = {0x00};\r
	uint8_t blockNo = 0;\r
	uint8_t params = MAGIC_SINGLE;\r
	int res;\r
\r
	if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
		PrintAndLog("Usage:  hf mf csetblk <block number> <block data (32 hex symbols)> [w]");\r
		PrintAndLog("sample:  hf mf csetblk 1 01020304050607080910111213141516");\r
		PrintAndLog("Set block data for magic Chinese card (only works with such cards)");\r
		PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");\r
		return 0;\r
	}	\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	if (param_gethex(Cmd, 1, block, 32)) {\r
		PrintAndLog("block data must include 32 HEX symbols");\r
		return 1;\r
	}\r
\r
	char ctmp = param_getchar(Cmd, 2);\r
	if (ctmp == 'w' || ctmp == 'W')\r
		params |= MAGIC_WIPE;\r
	\r
	PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16));\r
\r
	res = mfCSetBlock(blockNo, block, NULL, params);\r
	if (res) {\r
		PrintAndLog("Can't write block. error=%d", res);\r
		return 1;\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfCLoad(const char *Cmd) {\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char * fnameptr = filename;\r
	char buf[64] = {0x00};\r
	uint8_t buf8[64] = {0x00};\r
	uint8_t fillFromEmulator = 0;\r
	int i, len, blockNum, flags=0;\r
\r
	memset(filename, 0, sizeof(filename));\r
	\r
	char ctmp = param_getchar(Cmd, 0);\r
	\r
	if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) {\r
		PrintAndLog("It loads magic Chinese card from the file `filename.eml`");\r
		PrintAndLog("or from emulator memory (option `e`)");\r
		PrintAndLog("Usage:  hf mf cload <file name w/o `.eml`>");\r
		PrintAndLog("   or:  hf mf cload e ");\r
		PrintAndLog(" sample: hf mf cload filename");\r
		return 0;\r
	}	\r
\r
	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;\r
	\r
	if (fillFromEmulator) {\r
		for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {\r
			if (mfEmlGetMem(buf8, blockNum, 1)) {\r
				PrintAndLog("Cant get block: %d", blockNum);\r
				return 2;\r
			}\r
			if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC;				// switch on field and send magic sequence\r
			if (blockNum == 1) flags = 0;													// just write\r
			if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;		// Done. Magic Halt and switch off field.\r
\r
			if (mfCSetBlock(blockNum, buf8, NULL, flags)) {\r
				PrintAndLog("Cant set magic card block: %d", blockNum);\r
				return 3;\r
			}\r
		}\r
		return 0;\r
	} else {\r
		len = strlen(Cmd);\r
		if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
\r
		memcpy(filename, Cmd, len);\r
		fnameptr += len;\r
\r
		sprintf(fnameptr, ".eml"); \r
	\r
		// open file\r
		f = fopen(filename, "r");\r
		if (f == NULL) {\r
			PrintAndLog("File not found or locked.");\r
			return 1;\r
		}\r
	\r
		blockNum = 0;\r
		while(!feof(f)){\r
		\r
			memset(buf, 0, sizeof(buf));\r
			\r
			if (fgets(buf, sizeof(buf), f) == NULL) {\r
				fclose(f);\r
				PrintAndLog("File reading error.");\r
				return 2;\r
			}\r
\r
			if (strlen(buf) < 32) {\r
				if(strlen(buf) && feof(f))\r
					break;\r
				PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
				fclose(f);\r
				return 2;\r
			}\r
			for (i = 0; i < 32; i += 2)\r
				sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
\r
			if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC;				// switch on field and send magic sequence\r
			if (blockNum == 1) flags = 0;													// just write\r
			if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;		// Done. Switch off field.\r
\r
			if (mfCSetBlock(blockNum, buf8, NULL, flags)) {\r
				PrintAndLog("Can't set magic card block: %d", blockNum);\r
				fclose(f);\r
				return 3;\r
			}\r
			blockNum++;\r
		\r
			if (blockNum >= 16 * 4) break;  // magic card type - mifare 1K\r
		}\r
		fclose(f);\r
	\r
		// 64 or 256blocks.\r
		if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){\r
			PrintAndLog("File content error. There must be 64 blocks");\r
			return 4;\r
		}\r
		PrintAndLog("Loaded from file: %s", filename);\r
		return 0;\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfCGetBlk(const char *Cmd) {\r
	uint8_t data[16];\r
	uint8_t blockNo = 0;\r
	int res;\r
	memset(data, 0x00, sizeof(data));\r
	char ctmp = param_getchar(Cmd, 0);\r
\r
	if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {\r
		PrintAndLog("Usage:  hf mf cgetblk <block number>");\r
		PrintAndLog("sample:  hf mf cgetblk 1");\r
		PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");\r
		return 0;\r
	}	\r
\r
	blockNo = param_get8(Cmd, 0);\r
\r
	PrintAndLog("--block number:%2d ", blockNo);\r
\r
	res = mfCGetBlock(blockNo, data, MAGIC_SINGLE);\r
	if (res) {\r
		PrintAndLog("Can't read block. error=%d", res);\r
		return 1;\r
	}\r
	\r
	PrintAndLog("data: %s", sprint_hex(data, sizeof(data)));\r
	return 0;\r
}\r
\r
int CmdHF14AMfCGetSc(const char *Cmd) {\r
	uint8_t data[16];\r
	uint8_t sectorNo = 0;\r
	int i, res, flags;\r
	memset(data, 0x00, sizeof(data));\r
	char ctmp = param_getchar(Cmd, 0);\r
	\r
	if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') {\r
		PrintAndLog("Usage:  hf mf cgetsc <sector number>");\r
		PrintAndLog("sample:  hf mf cgetsc 0");\r
		PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");\r
		return 0;\r
	}	\r
\r
	sectorNo = param_get8(Cmd, 0);\r
	if (sectorNo > 15) {\r
		PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");\r
		return 1;\r
	}\r
\r
	PrintAndLog("--sector number:%d ", sectorNo);\r
	PrintAndLog("block | data");\r
\r
	flags = MAGIC_INIT + MAGIC_WUPC;\r
	for (i = 0; i < 4; i++) {\r
		if (i == 1) flags = 0;\r
		if (i == 3) flags = MAGIC_HALT + MAGIC_OFF;\r
\r
		res = mfCGetBlock(sectorNo * 4 + i, data, flags);\r
		if (res) {\r
			PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);\r
			return 1;\r
		}	\r
		PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data)));\r
	}\r
	return 0;\r
}\r
\r
int CmdHF14AMfCSave(const char *Cmd) {\r
\r
	FILE * f;\r
	char filename[FILE_PATH_SIZE];\r
	char * fnameptr = filename;\r
	uint8_t fillFromEmulator = 0;\r
	uint8_t buf[64];\r
	int i, j, len, flags;\r
	\r
	memset(filename, 0, sizeof(filename));\r
	memset(buf, 0, sizeof(buf));\r
	char ctmp = param_getchar(Cmd, 0);\r
	\r
	if ( ctmp == 'h' || ctmp == 'H' ) {\r
		PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");\r
		PrintAndLog("or into emulator memory (option `e`)");\r
		PrintAndLog("Usage:  hf mf esave [file name w/o `.eml`][e]");\r
		PrintAndLog(" sample: hf mf esave ");\r
		PrintAndLog("         hf mf esave filename");\r
		PrintAndLog("         hf mf esave e \n");\r
		return 0;\r
	}	\r
	if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;\r
\r
	if (fillFromEmulator) {\r
		// put into emulator\r
		flags = MAGIC_INIT + MAGIC_WUPC;\r
		for (i = 0; i < 16 * 4; i++) {\r
			if (i == 1) flags = 0;\r
			if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;\r
		\r
			if (mfCGetBlock(i, buf, flags)) {\r
				PrintAndLog("Cant get block: %d", i);\r
				break;\r
			}\r
			\r
			if (mfEmlSetMem(buf, i, 1)) {\r
				PrintAndLog("Cant set emul block: %d", i);\r
				return 3;\r
			}\r
		}\r
		return 0;\r
	} else {\r
		len = strlen(Cmd);\r
		if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
	\r
		// get filename based on UID\r
		if (len < 1) {\r
		\r
			if (mfCGetBlock(0, buf, MAGIC_SINGLE)) {\r
				PrintAndLog("Cant get block: %d", 0);\r
				len = sprintf(fnameptr, "dump");\r
				fnameptr += len;\r
			} else {\r
				for (j = 0; j < 7; j++, fnameptr += 2)\r
					sprintf(fnameptr, "%02x", buf[j]); \r
			}\r
		} else {\r
			memcpy(filename, Cmd, len);\r
			fnameptr += len;\r
		}\r
\r
		// add .eml extension\r
		sprintf(fnameptr, ".eml"); \r
	\r
		// open file\r
		f = fopen(filename, "w+");\r
\r
		if (f == NULL) {\r
			PrintAndLog("File not found or locked.");\r
			return 1;\r
		}\r
\r
		// put hex\r
		flags = MAGIC_INIT + MAGIC_WUPC;\r
		for (i = 0; i < 16 * 4; i++) {\r
			if (i == 1) flags = 0;\r
			if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF;\r
		\r
			if (mfCGetBlock(i, buf, flags)) {\r
				PrintAndLog("Cant get block: %d", i);\r
				break;\r
			}\r
			for (j = 0; j < 16; j++)\r
				fprintf(f, "%02x", buf[j]); \r
			fprintf(f,"\n");\r
		}\r
		fflush(f);\r
		fclose(f);\r
		PrintAndLog("Saved to file: %s", filename);\r
		return 0;\r
	}\r
}\r
\r
//needs nt, ar, at, Data to decrypt\r
int CmdHf14MfDecryptBytes(const char *Cmd){\r
	uint8_t data[50];\r
	uint32_t nt 	= param_get32ex(Cmd,0,0,16);\r
	uint32_t ar_enc = param_get32ex(Cmd,1,0,16);\r
	uint32_t at_enc = param_get32ex(Cmd,2,0,16);\r
\r
	int len = 0;\r
	param_gethex_ex(Cmd, 3, data, &len);\r
	\r
	len /= 2;	\r
	int limit = sizeof(data) / 2;\r
	\r
	if ( len >= limit )\r
		len = limit;\r
	\r
	return tryDecryptWord( nt, ar_enc, at_enc, data, len);\r
}\r
\r
static command_t CommandTable[] = {\r
	{"help",		CmdHelp,				1, "This help"},\r
	{"dbg",			CmdHF14AMfDbg,			0, "Set default debug mode"},\r
	{"rdbl",		CmdHF14AMfRdBl,			0, "Read MIFARE classic block"},\r
	{"rdsc",		CmdHF14AMfRdSc,			0, "Read MIFARE classic sector"},\r
	{"dump",		CmdHF14AMfDump,			0, "Dump MIFARE classic tag to binary file"},\r
	{"restore",		CmdHF14AMfRestore,		0, "Restore MIFARE classic binary file to BLANK tag"},\r
	{"wrbl",		CmdHF14AMfWrBl,			0, "Write MIFARE classic block"},\r
	{"chk",			CmdHF14AMfChk,			0, "Test block keys"},\r
	{"mifare",		CmdHF14AMifare,			0, "Read parity error messages."},\r
	{"nested",		CmdHF14AMfNested,		0, "Test nested authentication"},\r
	{"hardnested", 	CmdHF14AMfNestedHard, 	0, "Nested attack for hardened Mifare cards"},\r
	{"sniff",		CmdHF14AMfSniff,		0, "Sniff card-reader communication"},\r
	{"sim",			CmdHF14AMf1kSim,		0, "Simulate MIFARE card"},\r
	{"eclr",		CmdHF14AMfEClear,		0, "Clear simulator memory block"},\r
	{"eget",		CmdHF14AMfEGet,			0, "Get simulator memory block"},\r
	{"eset",		CmdHF14AMfESet,			0, "Set simulator memory block"},\r
	{"eload",		CmdHF14AMfELoad,		0, "Load from file emul dump"},\r
	{"esave",		CmdHF14AMfESave,		0, "Save to file emul dump"},\r
	{"ecfill",		CmdHF14AMfECFill,		0, "Fill simulator memory with help of keys from simulator"},\r
	{"ekeyprn",		CmdHF14AMfEKeyPrn,		0, "Print keys from simulator memory"},\r
	{"csetuid",		CmdHF14AMfCSetUID,		0, "Set UID for magic Chinese card"},\r
	{"csetblk",		CmdHF14AMfCSetBlk,		0, "Write block - Magic Chinese card"},\r
	{"cgetblk",		CmdHF14AMfCGetBlk,		0, "Read block - Magic Chinese card"},\r
	{"cgetsc",		CmdHF14AMfCGetSc,		0, "Read sector - Magic Chinese card"},\r
	{"cload",		CmdHF14AMfCLoad,		0, "Load dump into magic Chinese card"},\r
	{"csave",		CmdHF14AMfCSave,		0, "Save dump from magic Chinese card into file or emulator"},\r
	{"decrypt",		CmdHf14MfDecryptBytes,  1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r
	{NULL, NULL, 0, NULL}\r
};\r
\r
int CmdHFMF(const char *Cmd) {\r
	clearCommandBuffer();\r
	CmdsParse(CommandTable, Cmd);\r
	return 0;\r
}\r
\r
int CmdHelp(const char *Cmd) {\r
	CmdsHelp(CommandTable);\r
	return 0;\r
}\r