[proxmark3-svn] / client / cmdhf.c

//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// 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
// the license.
//-----------------------------------------------------------------------------
// High frequency commands
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <string.h>
#include "proxmark3.h"
#include "graph.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf.h"
#include "cmdhf14a.h"
#include "cmdhf14b.h"
#include "cmdhf15.h"
#include "cmdhfepa.h"
#include "cmdhflegic.h"
#include "cmdhficlass.h"
#include "cmdhfmf.h"
#include "cmdhfmfu.h"
#include "cmdhfmfdes.h"
#include "cmdhfdes.h"								

static int CmdHelp(const char *Cmd);

int CmdHFTune(const char *Cmd)
{
  UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
  SendCommand(&c);
  return 0;
}
// for the time being. Need better Bigbuf handling.
#define TRACE_SIZE 3000

//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
/*
ISO14443A (usually NFC tags)
	26 (7bits) = REQA
	30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
	A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
	52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
	93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	95 20 = Anticollision of cascade level2
	95 70 = Select of cascade level2
	50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
Mifare
	60 = Authenticate with KeyA
	61 = Authenticate with KeyB
	40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
	C0 = Decrement
	C1 = Increment
	C2 = Restore
	B0 = Transfer
Ultralight C
	A0 = Compatibility Write (to accomodate MIFARE commands)
	1A = Step1 Authenticate
	AF = Step2 Authenticate


ISO14443B
	05 = REQB
	1D = ATTRIB
	50 = HALT
SRIX4K (tag does not respond to 05)
	06 00 = INITIATE
	0E xx = SELECT ID (xx = Chip-ID)
	0B = Get UID
	08 yy = Read Block (yy = block number)
	09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
	0C = Reset to Inventory
	0F = Completion
	0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)


ISO15693
	MANDATORY COMMANDS (all ISO15693 tags must support those)
		01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
		02 = Stay Quiet
	OPTIONAL COMMANDS (not all tags support them)
		20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
		21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
		22 = Lock Block
		23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
		25 = Select
		26 = Reset to Ready
		27 = Write AFI
		28 = Lock AFI
		29 = Write DSFID
		2A = Lock DSFID
		2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
		2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)

EM Microelectronic CUSTOM COMMANDS
	A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
	A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
	B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
	E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
NXP/Philips CUSTOM COMMANDS
	A0 = Inventory Read
	A1 = Fast Inventory Read
	A2 = Set EAS
	A3 = Reset EAS
	A4 = Lock EAS
	A5 = EAS Alarm
	A6 = Password Protect EAS
	A7 = Write EAS ID
	A8 = Read EPC
	B0 = Inventory Page Read
	B1 = Fast Inventory Page Read
	B2 = Get Random Number
	B3 = Set Password
	B4 = Write Password
	B5 = Lock Password
	B6 = Bit Password Protection
	B7 = Lock Page Protection Condition
	B8 = Get Multiple Block Protection Status
	B9 = Destroy SLI
	BA = Enable Privacy
	BB = 64bit Password Protection
	40 = Long Range CMD (Standard ISO/TR7003:1990)
		*/

#define ICLASS_CMD_ACTALL 0x0A
#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
#define ICLASS_CMD_SELECT 0x81
#define ICLASS_CMD_PAGESEL 0x84
#define ICLASS_CMD_READCHECK 0x88
#define ICLASS_CMD_CHECK 0x05
#define ICLASS_CMD_SOF 0x0F
#define ICLASS_CMD_HALT 0x00

#define ISO14443_CMD_REQA       0x26
#define ISO14443_CMD_READBLOCK  0x30
#define ISO14443_CMD_WUPA       0x52
#define ISO14443_CMD_ANTICOLL_OR_SELECT     0x93
#define ISO14443_CMD_ANTICOLL_OR_SELECT_2   0x95
#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
#define ISO14443_CMD_HALT       0x50
#define ISO14443_CMD_RATS       0xE0

#define MIFARE_AUTH_KEYA	    0x60
#define MIFARE_AUTH_KEYB	    0x61
#define MIFARE_MAGICMODE	    0x40
#define MIFARE_CMD_INC          0xC0
#define MIFARE_CMD_DEC          0xC1
#define MIFARE_CMD_RESTORE      0xC2
#define MIFARE_CMD_TRANSFER     0xB0

#define MIFARE_ULC_WRITE        0xA0
#define MIFARE_ULC_AUTH_1       0x1A
#define MIFARE_ULC_AUTH_2        0xAF

#define ISO14443B_REQB         0x05
#define ISO14443B_ATTRIB       0x1D
#define ISO14443B_HALT         0x50

//First byte is 26
#define ISO15693_INVENTORY     0x01
#define ISO15693_STAYQUIET     0x02
//First byte is 02
#define ISO15693_READBLOCK            0x20
#define ISO15693_WRITEBLOCK           0x21
#define ISO15693_LOCKBLOCK            0x22
#define ISO15693_READ_MULTI_BLOCK     0x23
#define ISO15693_SELECT               0x25
#define ISO15693_RESET_TO_READY       0x26
#define ISO15693_WRITE_AFI            0x27
#define ISO15693_LOCK_AFI             0x28
#define ISO15693_WRITE_DSFID          0x29
#define ISO15693_LOCK_DSFID           0x2A
#define ISO15693_GET_SYSTEM_INFO      0x2B
#define ISO15693_READ_MULTI_SECSTATUS 0x2C


void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
	switch(cmd[0])
	{
	case ISO14443_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
	case ISO14443_CMD_ANTICOLL_OR_SELECT:{
		// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
		// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
		if(cmd[2] == 0x70)
		{
			snprintf(exp,size,"SELECT_UID"); break;
		}else
		{
			snprintf(exp,size,"ANTICOLL"); break;
		}
	}
	case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
		//95 20 = Anticollision of cascade level2
		//95 70 = Select of cascade level2
		if(cmd[2] == 0x70)
		{
			snprintf(exp,size,"SELECT_UID-2"); break;
		}else
		{
			snprintf(exp,size,"ANTICOLL-2"); break;
		}
	}
	case ISO14443_CMD_REQA:       snprintf(exp,size,"REQA"); break;
	case ISO14443_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
	case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
	case ISO14443_CMD_HALT:       snprintf(exp,size,"HALT"); break;
	case ISO14443_CMD_RATS:       snprintf(exp,size,"RATS"); break;
	case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
	case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
	case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
	case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
	case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
	case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
	case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
	default:                       snprintf(exp,size,"?"); break;
	}
	return;
}

void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
	switch(cmd[0])
	{
	case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
	case ICLASS_CMD_READ_OR_IDENTIFY:{
		if(cmdsize > 1){
			snprintf(exp,size,"READ(%d)",cmd[1]);
		}else{
			snprintf(exp,size,"IDENTIFY");
		}
		break;
	}
	case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
	case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL"); break;
	case ICLASS_CMD_READCHECK:   snprintf(exp,size,"READCHECK"); break;
	case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
	case ICLASS_CMD_SOF:         snprintf(exp,size,"SOF"); break;
	case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
	default:                     snprintf(exp,size,"?"); break;
	}
	return;
}

void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{

	if(cmd[0] == 0x26)
	{
		switch(cmd[1]){
		case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
		case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
		default:                     snprintf(exp,size,"?"); break;

		}
	}else if(cmd[0] == 0x02)
	{
		switch(cmd[1])
		{
		case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
		case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
		case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
		case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
		case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
		case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
		case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
		case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
		case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
		case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
		case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
		case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
		default:                     snprintf(exp,size,"?"); break;
		}
	}
}

uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
{
	bool isResponse;
	uint16_t duration, data_len,parity_len;

	uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
	char explanation[30] = {0};

	first_timestamp = *((uint32_t *)(trace));
	timestamp = *((uint32_t *)(trace + tracepos));
	// Break and stick with current result if buffer was not completely full
	if (timestamp == 0x44444444) return TRACE_SIZE;

	tracepos += 4;
	duration = *((uint16_t *)(trace + tracepos));
	tracepos += 2;
	data_len = *((uint16_t *)(trace + tracepos));
	tracepos += 2;

	if (data_len & 0x8000) {
	  data_len &= 0x7fff;
	  isResponse = true;
	} else {
	  isResponse = false;
	}
	parity_len = (data_len-1)/8 + 1;

	if (tracepos + data_len + parity_len >= TRACE_SIZE) {
		return TRACE_SIZE;
	}

	uint8_t *frame = trace + tracepos;
	tracepos += data_len;
	uint8_t *parityBytes = trace + tracepos;
	tracepos += parity_len;

	//--- Draw the data column
	char line[16][110];
	for (int j = 0; j < data_len; j++) {
		int oddparity = 0x01;
		int k;

		for (k=0 ; k<8 ; k++) {
			oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
		}

		uint8_t parityBits = parityBytes[j>>3];

		if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
			sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
		} else {
			sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);
		}
	}
	//--- Draw the CRC column
	bool crcError = false;

	if (data_len > 2) {
		uint8_t b1, b2;
		if(iclass)
		{
			if(!isResponse && data_len == 4 ) {
				// Rough guess that this is a command from the reader
				// For iClass the command byte is not part of the CRC
				ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
			} else {
				// For other data.. CRC might not be applicable (UPDATE commands etc.)
				ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
			}

			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
				crcError = true;
			}

		} else {//Iso 14443a

			ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);

			if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
				if(!(isResponse & (data_len < 6)))
				{
						crcError = true;
				}
			}
		}
	}
	char *crc = crcError ? "!crc" :"    ";

	EndOfTransmissionTimestamp = timestamp + duration;

	if(!isResponse)
	{
		if(iclass)
			annotateIclass(explanation,sizeof(explanation),frame,data_len);
		else 
			annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
	}

	int num_lines = (data_len - 1)/16 + 1;
	for (int j = 0; j < num_lines; j++) {
		if (j == 0) {
			PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
				(timestamp - first_timestamp),
				(EndOfTransmissionTimestamp - first_timestamp),
				(isResponse ? "Tag" : "Rdr"),
				line[j],
				(j == num_lines-1) ? crc : "    ",
				(j == num_lines-1) ? explanation : "");
		} else {
			PrintAndLog("           |           |     | %-64s| %s| %s",
				line[j],
				(j == num_lines-1) ? crc : "    ",
				(j == num_lines-1) ? explanation : "");
		}
	}

	bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;

	if (showWaitCycles && !isResponse && next_isResponse) {
		uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
		if (next_timestamp != 0x44444444) {
			PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
				(EndOfTransmissionTimestamp - first_timestamp),
				(next_timestamp - first_timestamp),
				"   ",
				(next_timestamp - EndOfTransmissionTimestamp));
		}
	}
	return tracepos;
}

int CmdHFList(const char *Cmd)
{
	bool showWaitCycles = false;
	char type[40] = {0};
	int tlen = param_getstr(Cmd,0,type);
	char param = param_getchar(Cmd, 1);
	bool errors = false;
	bool iclass = false;
	//Validate params
	if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
	{
		errors = true;
	}
	if(param == 'h' || (param !=0 && param != 'f'))
	{
		errors = true;
	}

	if (errors) {
		PrintAndLog("List protocol data in trace buffer.");
		PrintAndLog("Usage:  hf list [14a|iclass] [f]");
		PrintAndLog("    14a    - interpret data as iso14443a communications");
		PrintAndLog("    iclass - interpret data as iclass communications");
		PrintAndLog("    f      - show frame delay times as well");
		PrintAndLog("");
		PrintAndLog("example: hf list 14a f");
		PrintAndLog("example: hf list iclass");
		return 0;
	}
	if(strcmp(type, "iclass") == 0)
	{
		iclass = true;
	}

	if (param == 'f') {
		showWaitCycles = true;
	}


	uint8_t trace[TRACE_SIZE];
	uint16_t tracepos = 0;
	GetFromBigBuf(trace, TRACE_SIZE, 0);
	WaitForResponse(CMD_ACK, NULL);

	PrintAndLog("Recorded Activity");
	PrintAndLog("");
	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
	PrintAndLog("iClass    - Timings are not as accurate");
	PrintAndLog("");
	PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
	PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");

	while(tracepos < TRACE_SIZE)
	{
		tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
	}
	return 0;
}


static command_t CommandTable[] = 
{
  {"help",        CmdHelp,          1, "This help"},
  {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
  {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
  {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
  {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
  {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
  {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
  {"mf",      		CmdHFMF,		      1, "{ MIFARE RFIDs... }"},
  {"mfu",			CmdHFMFUltra,		1, "{ MIFARE Ultralight RFIDs... }"},
  {"mfdes",			CmdHFMFDes,			1, "{ MIFARE Desfire RFIDs... }"},	
  {"des",         CmdHFDES,         0, "{ MIFARE DESfire}"},
  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
  {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
  {NULL, NULL, 0, NULL}
};

int CmdHF(const char *Cmd)
{
  CmdsParse(CommandTable, Cmd);
  return 0; 
}

int CmdHelp(const char *Cmd)
{
  CmdsHelp(CommandTable);
  return 0;
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
	2	// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
	3	//
	4	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	5	// at your option, any later version. See the LICENSE.txt file for the text of
	6	// the license.
	7	//-----------------------------------------------------------------------------
	8	// High frequency commands
	9	//-----------------------------------------------------------------------------
	10
7fe9b0b7	11	#include <stdio.h>
d3a22c7d	12	#include <string.h>
902cb3c0	13	#include "proxmark3.h"
7fe9b0b7	14	#include "graph.h"
	15	#include "ui.h"
	16	#include "cmdparser.h"
	17	#include "cmdhf.h"
	18	#include "cmdhf14a.h"
	19	#include "cmdhf14b.h"
	20	#include "cmdhf15.h"
5acd09bd	21	#include "cmdhfepa.h"
7fe9b0b7	22	#include "cmdhflegic.h"
cee5a30d	23	#include "cmdhficlass.h"
9ca155ba	24	#include "cmdhfmf.h"
f38a1528	25	#include "cmdhfmfu.h"
	26	#include "cmdhfmfdes.h"
	27	#include "cmdhfdes.h"
7fe9b0b7	28
	29	static int CmdHelp(const char *Cmd);
	30
	31	int CmdHFTune(const char *Cmd)
	32	{
	33	UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
	34	SendCommand(&c);
	35	return 0;
	36	}
d3a22c7d	37	// for the time being. Need better Bigbuf handling.
	38	#define TRACE_SIZE 3000
	39
1d660bb9	40	//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
	41	/*
	42	ISO14443A (usually NFC tags)
	43	26 (7bits) = REQA
	44	30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
	45	A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
	46	52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
	47	93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	48	93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	49	95 20 = Anticollision of cascade level2
	50	95 70 = Select of cascade level2
	51	50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
	52	Mifare
	53	60 = Authenticate with KeyA
	54	61 = Authenticate with KeyB
	55	40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
	56	C0 = Decrement
	57	C1 = Increment
	58	C2 = Restore
	59	B0 = Transfer
	60	Ultralight C
	61	A0 = Compatibility Write (to accomodate MIFARE commands)
	62	1A = Step1 Authenticate
	63	AF = Step2 Authenticate
	64
	65
	66	ISO14443B
	67	05 = REQB
	68	1D = ATTRIB
	69	50 = HALT
	70	SRIX4K (tag does not respond to 05)
	71	06 00 = INITIATE
	72	0E xx = SELECT ID (xx = Chip-ID)
	73	0B = Get UID
	74	08 yy = Read Block (yy = block number)
	75	09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
	76	0C = Reset to Inventory
	77	0F = Completion
	78	0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
	79
	80
	81	ISO15693
	82	MANDATORY COMMANDS (all ISO15693 tags must support those)
	83	01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
	84	02 = Stay Quiet
	85	OPTIONAL COMMANDS (not all tags support them)
	86	20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
	87	21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
	88	22 = Lock Block
	89	23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
	90	25 = Select
	91	26 = Reset to Ready
	92	27 = Write AFI
	93	28 = Lock AFI
	94	29 = Write DSFID
	95	2A = Lock DSFID
	96	2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
	97	2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
	98
	99	EM Microelectronic CUSTOM COMMANDS
	100	A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
	101	A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
	102	B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
	103	E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
104	NXP/Philips CUSTOM COMMANDS
105	A0 = Inventory Read
106	A1 = Fast Inventory Read
107	A2 = Set EAS
108	A3 = Reset EAS
109	A4 = Lock EAS
110	A5 = EAS Alarm
111	A6 = Password Protect EAS
112	A7 = Write EAS ID
113	A8 = Read EPC
114	B0 = Inventory Page Read
115	B1 = Fast Inventory Page Read
116	B2 = Get Random Number
117	B3 = Set Password
118	B4 = Write Password
119	B5 = Lock Password
120	B6 = Bit Password Protection
121	B7 = Lock Page Protection Condition
122	B8 = Get Multiple Block Protection Status
123	B9 = Destroy SLI
124	BA = Enable Privacy
125	BB = 64bit Password Protection
126	40 = Long Range CMD (Standard ISO/TR7003:1990)
127	*/
128
d3a22c7d	129	#define ICLASS_CMD_ACTALL 0x0A
1d660bb9	130	#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
d3a22c7d	131	#define ICLASS_CMD_SELECT 0x81
	132	#define ICLASS_CMD_PAGESEL 0x84
	133	#define ICLASS_CMD_READCHECK 0x88
	134	#define ICLASS_CMD_CHECK 0x05
	135	#define ICLASS_CMD_SOF 0x0F
	136	#define ICLASS_CMD_HALT 0x00
	137
1d660bb9	138	#define ISO14443_CMD_REQA 0x26
	139	#define ISO14443_CMD_READBLOCK 0x30
	140	#define ISO14443_CMD_WUPA 0x52
	141	#define ISO14443_CMD_ANTICOLL_OR_SELECT 0x93
	142	#define ISO14443_CMD_ANTICOLL_OR_SELECT_2 0x95
	143	#define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
	144	#define ISO14443_CMD_HALT 0x50
	145	#define ISO14443_CMD_RATS 0xE0
	146
	147	#define MIFARE_AUTH_KEYA 0x60
	148	#define MIFARE_AUTH_KEYB 0x61
	149	#define MIFARE_MAGICMODE 0x40
	150	#define MIFARE_CMD_INC 0xC0
	151	#define MIFARE_CMD_DEC 0xC1
	152	#define MIFARE_CMD_RESTORE 0xC2
	153	#define MIFARE_CMD_TRANSFER 0xB0
	154
	155	#define MIFARE_ULC_WRITE 0xA0
	156	#define MIFARE_ULC_AUTH_1 0x1A
	157	#define MIFARE_ULC_AUTH_2 0xAF
	158
	159	#define ISO14443B_REQB 0x05
	160	#define ISO14443B_ATTRIB 0x1D
	161	#define ISO14443B_HALT 0x50
	162
	163	//First byte is 26
	164	#define ISO15693_INVENTORY 0x01
	165	#define ISO15693_STAYQUIET 0x02
	166	//First byte is 02
	167	#define ISO15693_READBLOCK 0x20
	168	#define ISO15693_WRITEBLOCK 0x21
	169	#define ISO15693_LOCKBLOCK 0x22
	170	#define ISO15693_READ_MULTI_BLOCK 0x23
	171	#define ISO15693_SELECT 0x25
	172	#define ISO15693_RESET_TO_READY 0x26
	173	#define ISO15693_WRITE_AFI 0x27
	174	#define ISO15693_LOCK_AFI 0x28
	175	#define ISO15693_WRITE_DSFID 0x29
	176	#define ISO15693_LOCK_DSFID 0x2A
	177	#define ISO15693_GET_SYSTEM_INFO 0x2B
	178	#define ISO15693_READ_MULTI_SECSTATUS 0x2C
	179
	180
	181
d3a22c7d	182
	183	void annotateIso14443a(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	184	{
	185	switch(cmd[0])
	186	{
1d660bb9	187	case ISO14443_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
	188	case ISO14443_CMD_ANTICOLL_OR_SELECT:{
	189	// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
	190	// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
	191	if(cmd[2] == 0x70)
d3a22c7d	192	{
	193	snprintf(exp,size,"SELECT_UID"); break;
	194	}else
	195	{
1d660bb9	196	snprintf(exp,size,"ANTICOLL"); break;
d3a22c7d	197	}
d3a22c7d	198	}
1d660bb9	199	case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
	200	//95 20 = Anticollision of cascade level2
	201	//95 70 = Select of cascade level2
	202	if(cmd[2] == 0x70)
	203	{
	204	snprintf(exp,size,"SELECT_UID-2"); break;
	205	}else
	206	{
	207	snprintf(exp,size,"ANTICOLL-2"); break;
	208	}
	209	}
	210	case ISO14443_CMD_REQA: snprintf(exp,size,"REQA"); break;
	211	case ISO14443_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
	212	case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
	213	case ISO14443_CMD_HALT: snprintf(exp,size,"HALT"); break;
	214	case ISO14443_CMD_RATS: snprintf(exp,size,"RATS"); break;
	215	case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
	216	case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
	217	case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
	218	case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
	219	case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A"); break;
	220	case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B"); break;
	221	case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break;
d3a22c7d	222	default: snprintf(exp,size,"?"); break;
	223	}
	224	return;
	225	}
	226
	227	void annotateIclass(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	228	{
d3a22c7d	229	switch(cmd[0])
	230	{
	231	case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
1d660bb9	232	case ICLASS_CMD_READ_OR_IDENTIFY:{
	233	if(cmdsize > 1){
	234	snprintf(exp,size,"READ(%d)",cmd[1]);
	235	}else{
	236	snprintf(exp,size,"IDENTIFY");
	237	}
	238	break;
	239	}
d3a22c7d	240	case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
	241	case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL"); break;
	242	case ICLASS_CMD_READCHECK: snprintf(exp,size,"READCHECK"); break;
	243	case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
	244	case ICLASS_CMD_SOF: snprintf(exp,size,"SOF"); break;
	245	case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
	246	default: snprintf(exp,size,"?"); break;
	247	}
	248	return;
	249	}
	250
1d660bb9	251	void annotateIso15693(char exp, size_t size, uint8_t cmd, uint8_t cmdsize)
	252	{
	253
	254	if(cmd[0] == 0x26)
	255	{
	256	switch(cmd[1]){
	257	case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
	258	case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
	259	default: snprintf(exp,size,"?"); break;
	260
	261	}
	262	}else if(cmd[0] == 0x02)
	263	{
	264	switch(cmd[1])
	265	{
	266	case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
	267	case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
	268	case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
	269	case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
	270	case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
	271	case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
	272	case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
	273	case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
	274	case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
	275	case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
	276	case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
	277	case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
	278	default: snprintf(exp,size,"?"); break;
	279	}
	280	}
	281	}
d3a22c7d	282
d3a22c7d	283	uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
	284	{
	285	bool isResponse;
	286	uint16_t duration, data_len,parity_len;
	287
	288	uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
	289	char explanation[30] = {0};
	290
	291	first_timestamp = ((uint32_t )(trace));
	292	timestamp = ((uint32_t )(trace + tracepos));
	293	// Break and stick with current result if buffer was not completely full
	294	if (timestamp == 0x44444444) return TRACE_SIZE;
	295
	296	tracepos += 4;
	297	duration = ((uint16_t )(trace + tracepos));
	298	tracepos += 2;
	299	data_len = ((uint16_t )(trace + tracepos));
	300	tracepos += 2;
	301
	302	if (data_len & 0x8000) {
	303	data_len &= 0x7fff;
	304	isResponse = true;
	305	} else {
	306	isResponse = false;
	307	}
	308	parity_len = (data_len-1)/8 + 1;
	309
	310	if (tracepos + data_len + parity_len >= TRACE_SIZE) {
	311	return TRACE_SIZE;
	312	}
	313
	314	uint8_t *frame = trace + tracepos;
	315	tracepos += data_len;
	316	uint8_t *parityBytes = trace + tracepos;
	317	tracepos += parity_len;
	318
	319	//--- Draw the data column
	320	char line[16][110];
	321	for (int j = 0; j < data_len; j++) {
	322	int oddparity = 0x01;
	323	int k;
	324
	325	for (k=0 ; k<8 ; k++) {
	326	oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
	327	}
	328
	329	uint8_t parityBits = parityBytes[j>>3];
	330
	331	if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
	332	sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
	333	} else {
	334	sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
	335	}
	336	}
	337	//--- Draw the CRC column
	338	bool crcError = false;
	339
	340	if (data_len > 2) {
	341	uint8_t b1, b2;
	342	if(iclass)
	343	{
	344	if(!isResponse && data_len == 4 ) {
	345	// Rough guess that this is a command from the reader
	346	// For iClass the command byte is not part of the CRC
347	ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
225ccb91	348	} else {
d3a22c7d	349	// For other data.. CRC might not be applicable (UPDATE commands etc.)
	350	ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
	351	}
	352
	353	if (b1 != frame[data_len-2] \|\| b2 != frame[data_len-1]) {
	354	crcError = true;
	355	}
	356
225ccb91	357	} else {//Iso 14443a
d3a22c7d	358
	359	ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
	360
	361	if (b1 != frame[data_len-2] \|\| b2 != frame[data_len-1]) {
	362	if(!(isResponse & (data_len < 6)))
	363	{
	364	crcError = true;
	365	}
	366	}
	367	}
d3a22c7d	368	}
	369	char *crc = crcError ? "!crc" :" ";
	370
	371	EndOfTransmissionTimestamp = timestamp + duration;
	372
	373	if(!isResponse)
	374	{
225ccb91	375	if(iclass)
	376	annotateIclass(explanation,sizeof(explanation),frame,data_len);
	377	else
	378	annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
d3a22c7d	379	}
	380
	381	int num_lines = (data_len - 1)/16 + 1;
	382	for (int j = 0; j < num_lines; j++) {
	383	if (j == 0) {
	384	PrintAndLog(" %9d \| %9d \| %s \| %-64s\| %s\| %s",
	385	(timestamp - first_timestamp),
	386	(EndOfTransmissionTimestamp - first_timestamp),
	387	(isResponse ? "Tag" : "Rdr"),
	388	line[j],
	389	(j == num_lines-1) ? crc : " ",
	390	(j == num_lines-1) ? explanation : "");
	391	} else {
	392	PrintAndLog(" \| \| \| %-64s\| %s\| %s",
	393	line[j],
225ccb91	394	(j == num_lines-1) ? crc : " ",
d3a22c7d	395	(j == num_lines-1) ? explanation : "");
	396	}
	397	}
	398
	399	bool next_isResponse = ((uint16_t )(trace + tracepos + 6)) & 0x8000;
	400
	401	if (showWaitCycles && !isResponse && next_isResponse) {
	402	uint32_t next_timestamp = ((uint32_t )(trace + tracepos));
	403	if (next_timestamp != 0x44444444) {
	404	PrintAndLog(" %9d \| %9d \| %s \| fdt (Frame Delay Time): %d",
	405	(EndOfTransmissionTimestamp - first_timestamp),
	406	(next_timestamp - first_timestamp),
	407	" ",
	408	(next_timestamp - EndOfTransmissionTimestamp));
	409	}
	410	}
	411	return tracepos;
	412	}
	413
	414	int CmdHFList(const char *Cmd)
	415	{
	416	bool showWaitCycles = false;
	417	char type[40] = {0};
	418	int tlen = param_getstr(Cmd,0,type);
	419	char param = param_getchar(Cmd, 1);
	420	bool errors = false;
	421	bool iclass = false;
	422	//Validate params
	423	if(tlen == 0 \|\| (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
	424	{
	425	errors = true;
	426	}
	427	if(param == 'h' \|\| (param !=0 && param != 'f'))
	428	{
	429	errors = true;
	430	}
	431
	432	if (errors) {
	433	PrintAndLog("List protocol data in trace buffer.");
	434	PrintAndLog("Usage: hf list [14a\|iclass] [f]");
	435	PrintAndLog(" 14a - interpret data as iso14443a communications");
	436	PrintAndLog(" iclass - interpret data as iclass communications");
	437	PrintAndLog(" f - show frame delay times as well");
	438	PrintAndLog("");
	439	PrintAndLog("example: hf list 14a f");
	440	PrintAndLog("example: hf list iclass");
	441	return 0;
	442	}
	443	if(strcmp(type, "iclass") == 0)
	444	{
	445	iclass = true;
	446	}
	447
	448	if (param == 'f') {
	449	showWaitCycles = true;
	450	}
	451
	452
	453	uint8_t trace[TRACE_SIZE];
	454	uint16_t tracepos = 0;
	455	GetFromBigBuf(trace, TRACE_SIZE, 0);
	456	WaitForResponse(CMD_ACK, NULL);
	457
	458	PrintAndLog("Recorded Activity");
459	PrintAndLog("");
460	PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
461	PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
462	PrintAndLog("iClass - Timings are not as accurate");
463	PrintAndLog("");
464	PrintAndLog(" Start \| End \| Src \| Data (! denotes parity error) \| CRC \| Annotation \|");
465	PrintAndLog("-----------\|-----------\|-----\|-----------------------------------------------------------------\|-----\|--------------------\|");
466
467	while(tracepos < TRACE_SIZE)
468	{
469	tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
470	}
471	return 0;
472	}
473
7fe9b0b7	474
	475	static command_t CommandTable[] =
	476	{
	477	{"help", CmdHelp, 1, "This help"},
37239a7c	478	{"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
	479	{"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
	480	{"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
5acd09bd	481	{"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
8e220a91	482	{"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
cee5a30d	483	{"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
9ca155ba	484	{"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
d3a22c7d	485	{"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
d3a22c7d	486	{"mfdes", CmdHFMFDes, 1, "{ MIFARE Desfire RFIDs... }"},
f38a1528	487	{"des", CmdHFDES, 0, "{ MIFARE DESfire}"},
c59c3405	488	{"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
d3a22c7d	489	{"list", CmdHFList, 1, "List protocol data in trace buffer"},
7fe9b0b7	490	{NULL, NULL, 0, NULL}
	491	};
	492
	493	int CmdHF(const char *Cmd)
	494	{
	495	CmdsParse(CommandTable, Cmd);
	496	return 0;
	497	}
	498
	499	int CmdHelp(const char *Cmd)
	500	{
	501	CmdsHelp(CommandTable);
	502	return 0;
	503	}