//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
// Copyright (C) 2011 Gerhard de Koning Gans
+// Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende
//
// 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
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/stat.h>
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
#include "data.h"
//#include "proxusb.h"
#include "cmdhficlass.h"
#include "common.h"
#include "util.h"
+#include "cmdmain.h"
+#include "loclass/des.h"
+#include "loclass/cipherutils.h"
+#include "loclass/cipher.h"
+#include "loclass/ikeys.h"
+#include "loclass/elite_crack.h"
+#include "loclass/fileutils.h"
static int CmdHelp(const char *Cmd);
+int xorbits_8(uint8_t val)
+{
+ uint8_t res = val ^ (val >> 1); //1st pass
+ res = res ^ (res >> 1); // 2nd pass
+ res = res ^ (res >> 2); // 3rd pass
+ res = res ^ (res >> 4); // 4th pass
+ return res & 1;
+}
+
int CmdHFiClassList(const char *Cmd)
+{
+
+ bool ShowWaitCycles = false;
+ char param = param_getchar(Cmd, 0);
+
+ if (param != 0) {
+ PrintAndLog("List data in trace buffer.");
+ PrintAndLog("Usage: hf iclass list");
+ PrintAndLog("h - help");
+ PrintAndLog("sample: hf iclass list");
+ return 0;
+ }
+
+ uint8_t got[1920];
+ GetFromBigBuf(got,sizeof(got),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("All times are in carrier periods (1/13.56Mhz)");
+ PrintAndLog("");
+ PrintAndLog(" Start | End | Src | Data");
+ PrintAndLog("-----------|-----------|-----|--------");
+
+ int i;
+ uint32_t first_timestamp = 0;
+ uint32_t timestamp;
+ bool tagToReader;
+ uint32_t parityBits;
+ uint8_t len;
+ uint8_t *frame;
+ uint32_t EndOfTransmissionTimestamp = 0;
+
+
+ for( i=0; i < 1900;)
+ {
+ //First 32 bits contain
+ // isResponse (1 bit)
+ // timestamp (remaining)
+ //Then paritybits
+ //Then length
+ timestamp = *((uint32_t *)(got+i));
+ parityBits = *((uint32_t *)(got+i+4));
+ len = got[i+8];
+ frame = (got+i+9);
+ uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+
+ tagToReader = timestamp & 0x80000000;
+ timestamp &= 0x7fffffff;
+
+ if(i==0) {
+ first_timestamp = timestamp;
+ }
+
+ // Break and stick with current result idf buffer was not completely full
+ if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
+
+ char line[1000] = "";
+
+ if(len)//We have some data to display
+ {
+ int j,oddparity;
+
+ for(j = 0; j < len ; j++)
+ {
+ oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF);
+
+ if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+ sprintf(line+(j*4), "%02x! ", frame[j]);
+ } else {
+ sprintf(line+(j*4), "%02x ", frame[j]);
+ }
+ }
+ }else
+ {
+ if (ShowWaitCycles) {
+ sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+ }
+ }
+
+ char *crc = "";
+
+ if(len > 2)
+ {
+ uint8_t b1, b2;
+ if(!tagToReader && 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], len-3, &b1, &b2);
+ }
+ else {
+ // For other data.. CRC might not be applicable (UPDATE commands etc.)
+ ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
+ }
+
+ if (b1 != frame[len-2] || b2 != frame[len-1]) {
+ crc = (tagToReader & (len < 8)) ? "" : " !crc";
+ }
+ }
+
+ i += (len + 9);
+ EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+
+ // Not implemented for iclass on the ARM-side
+ //if (!ShowWaitCycles) i += 9;
+
+ PrintAndLog(" %9d | %9d | %s | %s %s",
+ (timestamp - first_timestamp),
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (len?(tagToReader ? "Tag" : "Rdr"):" "),
+ line, crc);
+ }
+ return 0;
+}
+
+int CmdHFiClassListOld(const char *Cmd)
{
uint8_t got[1920];
GetFromBigBuf(got,sizeof(got),0);
isResponse = 0;
}
+
int metric = 0;
+
int parityBits = *((uint32_t *)(got+i+4));
// 4 bytes of additional information...
// maximum of 32 additional parity bit information
return 0;
}
-/*void iso14a_set_timeout(uint32_t timeout) {
- UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
- SendCommand(&c);
-}*/
-
int CmdHFiClassSnoop(const char *Cmd)
{
UsbCommand c = {CMD_SNOOP_ICLASS};
SendCommand(&c);
return 0;
}
-
+#define NUM_CSNS 15
int CmdHFiClassSim(const char *Cmd)
{
uint8_t simType = 0;
uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
- if (strlen(Cmd)<2) {
- PrintAndLog("Usage: hf iclass sim <sim type> <CSN (16 hex symbols)>");
+ if (strlen(Cmd)<1) {
+ PrintAndLog("Usage: hf iclass sim [0 <CSN>] | x");
+ PrintAndLog(" options");
+ PrintAndLog(" 0 <CSN> simulate the given CSN");
+ PrintAndLog(" 1 simulate default CSN");
+ PrintAndLog(" 2 iterate CSNs, gather MACs");
PrintAndLog(" sample: hf iclass sim 0 031FEC8AF7FF12E0");
+ PrintAndLog(" sample: hf iclass sim 2");
return 0;
}
simType = param_get8(Cmd, 0);
- if (param_gethex(Cmd, 1, CSN, 16)) {
- PrintAndLog("A CSN should consist of 16 HEX symbols");
- return 1;
- }
- PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
- UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType}};
- memcpy(c.d.asBytes, CSN, 8);
- SendCommand(&c);
+ if(simType == 0)
+ {
+ if (param_gethex(Cmd, 1, CSN, 16)) {
+ PrintAndLog("A CSN should consist of 16 HEX symbols");
+ return 1;
+ }
+ PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
- /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
- if (resp != NULL) {
- uint8_t isOK = resp->arg[0] & 0xff;
- PrintAndLog("isOk:%02x", isOK);
- } else {
- PrintAndLog("Command execute timeout");
- }*/
+ }
+ if(simType > 2)
+ {
+ PrintAndLog("Undefined simptype %d", simType);
+ return 1;
+ }
+ uint8_t numberOfCSNs=0;
+
+ if(simType == 2)
+ {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
+ UsbCommand resp = {0};
+
+ /*uint8_t csns[8 * NUM_CSNS] = {
+ 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0 ,
+ 0x00,0x13,0x94,0x7e,0x76,0xff,0x12,0xe0 ,
+ 0x2a,0x99,0xac,0x79,0xec,0xff,0x12,0xe0 ,
+ 0x17,0x12,0x01,0xfd,0xf7,0xff,0x12,0xe0 ,
+ 0xcd,0x56,0x01,0x7c,0x6f,0xff,0x12,0xe0 ,
+ 0x4b,0x5e,0x0b,0x72,0xef,0xff,0x12,0xe0 ,
+ 0x00,0x73,0xd8,0x75,0x58,0xff,0x12,0xe0 ,
+ 0x0c,0x90,0x32,0xf3,0x5d,0xff,0x12,0xe0 };
+*/
+
+ uint8_t csns[8*NUM_CSNS] = {
+ 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
+
+ memcpy(c.d.asBytes, csns, 8*NUM_CSNS);
+
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
+ PrintAndLog("Command timed out");
+ return 0;
+ }
+
+ uint8_t num_mac_responses = resp.arg[1];
+ PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
+
+ size_t datalen = NUM_CSNS*24;
+ /*
+ * Now, time to dump to file. We'll use this format:
+ * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
+ * So, it should wind up as
+ * 8 * 24 bytes.
+ *
+ * The returndata from the pm3 is on the following format
+ * <4 byte NR><4 byte MAC>
+ * CC are all zeroes, CSN is the same as was sent in
+ **/
+ void* dump = malloc(datalen);
+ memset(dump,0,datalen);//<-- Need zeroes for the CC-field
+ uint8_t i = 0;
+ for(i = 0 ; i < NUM_CSNS ; i++)
+ {
+ memcpy(dump+i*24, csns+i*8,8); //CSN
+ //8 zero bytes here...
+ //Then comes NR_MAC (eight bytes from the response)
+ memcpy(dump+i*24+16,resp.d.asBytes+i*8,8);
+
+ }
+ /** Now, save to dumpfile **/
+ saveFile("iclass_mac_attack", "bin", dump,datalen);
+ free(dump);
+ }else
+ {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
+ memcpy(c.d.asBytes, CSN, 8);
+ SendCommand(&c);
+ }
return 0;
}
int CmdHFiClassReader(const char *Cmd)
+{
+ UsbCommand c = {CMD_READER_ICLASS, {0}};
+ SendCommand(&c);
+ UsbCommand resp;
+ while(!ukbhit()){
+ if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ PrintAndLog("isOk:%02x", isOK);
+
+ if(isOK > 0)
+ {
+ PrintAndLog("CSN: %s",sprint_hex(data,8));
+ }
+ if(isOK >= 1)
+ {
+ PrintAndLog("CC: %s",sprint_hex(data+8,8));
+ }else{
+ PrintAndLog("No CC obtained");
+ }
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+ }
+
+ return 0;
+}
+
+int CmdHFiClassReader_Replay(const char *Cmd)
{
uint8_t readerType = 0;
+ uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
if (strlen(Cmd)<1) {
- PrintAndLog("Usage: hf iclass reader <reader type>");
- PrintAndLog(" sample: hf iclass reader 0");
- return 0;
- }
+ PrintAndLog("Usage: hf iclass replay <MAC>");
+ PrintAndLog(" sample: hf iclass replay 00112233");
+ return 0;
+ }
- readerType = param_get8(Cmd, 0);
- PrintAndLog("--readertype:%02x", readerType);
+ if (param_gethex(Cmd, 0, MAC, 8)) {
+ PrintAndLog("MAC must include 8 HEX symbols");
+ return 1;
+ }
- UsbCommand c = {CMD_READER_ICLASS, {readerType}};
- //memcpy(c.d.asBytes, CSN, 8);
+ UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
+ memcpy(c.d.asBytes, MAC, 4);
SendCommand(&c);
- /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
- if (resp != NULL) {
- uint8_t isOK = resp->arg[0] & 0xff;
+ return 0;
+}
+
+int CmdHFiClassReader_Dump(const char *Cmd)
+{
+ uint8_t readerType = 0;
+ uint8_t MAC[4]={0x00,0x00,0x00,0x00};
+ uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ //uint8_t CC_temp[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t keytable[128] = {0};
+ int elite = 0;
+ uint8_t *used_key;
+ int i;
+ if (strlen(Cmd)<1)
+ {
+ PrintAndLog("Usage: hf iclass dump <Key> [e]");
+ PrintAndLog(" Key - A 16 byte master key");
+ PrintAndLog(" e - If 'e' is specified, the key is interpreted as the 16 byte");
+ PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack");
+ PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format");
+ PrintAndLog(" sample: hf iclass dump 0011223344556677");
+
+
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, KEY, 16))
+ {
+ PrintAndLog("KEY must include 16 HEX symbols");
+ return 1;
+ }
+
+ if (param_getchar(Cmd, 1) == 'e')
+ {
+ PrintAndLog("Elite switch on");
+ elite = 1;
+
+ //calc h2
+ hash2(KEY, keytable);
+ printarr_human_readable("keytable", keytable, 128);
+
+ }
+
+ UsbCommand resp;
+ uint8_t key_sel[8] = {0};
+ uint8_t key_sel_p[8] = { 0 };
+
+ //HACK -- Below is for testing without access to a tag
+ uint8_t fake_dummy_test = false;
+ if(fake_dummy_test)
+ {
+ uint8_t xdata[16] = {0x01,0x02,0x03,0x04,0xF7,0xFF,0x12,0xE0, //CSN from http://www.proxmark.org/forum/viewtopic.php?pid=11230#p11230
+ 0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; // Just a random CC. Would be good to add a real testcase here
+ memcpy(resp.d.asBytes,xdata, 16);
+ resp.arg[0] = 2;
+ }
+
+ //End hack
+
+
+ UsbCommand c = {CMD_READER_ICLASS, {0}};
+ c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE;
+ if(!fake_dummy_test)
+ SendCommand(&c);
+
+
+
+ if (fake_dummy_test || WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ memcpy(CSN,data,8);
+ memcpy(CCNR,data+8,8);
+
+ PrintAndLog("isOk:%02x", isOK);
+
+ if(isOK > 0)
+ {
+ PrintAndLog("CSN: %s",sprint_hex(CSN,8));
+ }
+ if(isOK > 1)
+ {
+ if(elite)
+ {
+ //Get the key index (hash1)
+ uint8_t key_index[8] = {0};
+
+ hash1(CSN, key_index);
+ printvar("hash1", key_index,8);
+ for(i = 0; i < 8 ; i++)
+ key_sel[i] = keytable[key_index[i]] & 0xFF;
+ PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
+ printvar("k_sel", key_sel,8);
+ //Permute from iclass format to standard format
+ permutekey_rev(key_sel,key_sel_p);
+ used_key = key_sel_p;
+ }else{
+ //Perhaps this should also be permuted to std format?
+ // Something like the code below? I have no std system
+ // to test this with /Martin
+
+ //uint8_t key_sel_p[8] = { 0 };
+ //permutekey_rev(KEY,key_sel_p);
+ //used_key = key_sel_p;
+
+ used_key = KEY;
+
+ }
+
+ PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
+ printvar("Used key",used_key,8);
+ diversifyKey(CSN,used_key, div_key);
+ PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
+ printvar("Div key", div_key, 8);
+ printvar("CC_NR:",CCNR,12);
+ doMAC(CCNR,12,div_key, MAC);
+ printvar("MAC", MAC, 4);
+
+ UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
+ memcpy(d.d.asBytes, MAC, 4);
+ if(!fake_dummy_test) SendCommand(&d);
+
+ }else{
+ PrintAndLog("Failed to obtain CC! Aborting");
+ }
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
+
+ return 0;
+}
+
+int CmdHFiClass_iso14443A_write(const char *Cmd)
+{
+ uint8_t readerType = 0;
+ uint8_t MAC[4]={0x00,0x00,0x00,0x00};
+ uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+
+ uint8_t blockNo=0;
+ uint8_t bldata[8]={0};
+
+ if (strlen(Cmd)<3)
+ {
+ PrintAndLog("Usage: hf iclass write <Key> <Block> <Data>");
+ PrintAndLog(" sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA");
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, KEY, 16))
+ {
+ PrintAndLog("KEY must include 16 HEX symbols");
+ return 1;
+ }
+
+ blockNo = param_get8(Cmd, 1);
+ if (blockNo>32)
+ {
+ PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!");
+ return 1;
+ }
+ if (param_gethex(Cmd, 2, bldata, 8))
+ {
+ PrintAndLog("Block data must include 8 HEX symbols");
+ return 1;
+ }
+
+ UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
+ SendCommand(&c);
+ UsbCommand resp;
+
+ if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ memcpy(CSN,data,8);
+ memcpy(CCNR,data+8,8);
+ PrintAndLog("DEBUG: %s",sprint_hex(CSN,8));
+ PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8));
PrintAndLog("isOk:%02x", isOK);
} else {
PrintAndLog("Command execute timeout");
- }*/
+ }
+
+ diversifyKey(CSN,KEY, div_key);
+
+ PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
+ doMAC(CCNR, 12,div_key, MAC);
+ UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
+ memcpy(c2.d.asBytes, bldata, 8);
+ memcpy(c2.d.asBytes+8, MAC, 4);
+ SendCommand(&c2);
+
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ if (isOK)
+ PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
+ else
+ PrintAndLog("isOk:%02x", isOK);
+ } else {
+ PrintAndLog("Command execute timeout");
+ }
return 0;
}
+
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"list", CmdHFiClassList, 0, "List iClass history"},
- {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
- {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
- {"reader", CmdHFiClassReader, 0, "Read an iClass tag"},
+ {"help", CmdHelp, 1, "This help"},
+ {"list", CmdHFiClassList, 0, "List iClass history"},
+ {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
+ {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
+ {"reader",CmdHFiClassReader, 0, "Read an iClass tag"},
+ {"replay",CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"},
+ {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag"},
+ {"write", CmdHFiClass_iso14443A_write, 0, "Authenticate and Write iClass block"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff