#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 "proxmark3.h"
#include "ui.h"
#include "cmdparser.h"
#include "loclass/ikeys.h"
#include "loclass/elite_crack.h"
#include "loclass/fileutils.h"
+#include "protocols.h"
+#include "usb_cmd.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;
-}
-
-#define ICLASS_CMD_ACTALL 0x0A
-#define ICLASS_CMD_IDENTIFY 0x0C
-#define ICLASS_CMD_READ 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
-
-
-void explain(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-
- if(cmdsize > 1 && cmd[0] == ICLASS_CMD_READ)
- {
- snprintf(exp,size,"READ(%d)",cmd[1]);
- return;
- }
-
- switch(cmd[0])
- {
- case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
- case ICLASS_CMD_IDENTIFY: 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;
+ 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;
- }
-
-// for the time being. Need better Bigbuf handling.
-#define TRACE_SIZE 3000
-
- uint8_t trace[TRACE_SIZE];
- 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("All times are in carrier periods (1/13.56Mhz)");
- PrintAndLog("");
- PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Explanation|");
- PrintAndLog("-----------|-----------|-----|-------------------------------------------------------------------------------------");
-
- uint16_t tracepos = 0;
- uint16_t duration;
- uint16_t data_len;
- uint16_t parity_len;
- bool isResponse;
- uint32_t timestamp;
- uint32_t first_timestamp;
- uint32_t EndOfTransmissionTimestamp;
- char explanation[20] = {0};
- for (;;) {
-
- if(tracepos >= TRACE_SIZE) {
- break;
- }
-
- timestamp = *((uint32_t *)(trace + tracepos));
- if(tracepos == 0) {
- first_timestamp = timestamp;
- }
-
- // Break and stick with current result if buffer was not completely full
- if (timestamp == 0x44444444) break;
-
- 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) {
- break;
- }
-
- uint8_t *frame = trace + tracepos;
- tracepos += data_len;
- uint8_t *parityBytes = trace + tracepos;
- tracepos += parity_len;
-
- 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]);
- }
-
- }
-
- char *crc = " ";
- if (data_len > 2) {
- uint8_t b1, b2;
- 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);
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- crc = "!crc";
- }
- }
- 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]) {
- crc = "!crc";
- }
- }
- }
-
- EndOfTransmissionTimestamp = timestamp + duration;
- explain(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:" ",
- explanation);
- } else {
- PrintAndLog(" | | | %-64s| %s",
- line[j],
- (j == num_lines-1)?crc:" ");
- }
- }
-
- 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));
- }
- }
-
- }
-
+ PrintAndLog("Deprecated command, use 'hf list iclass' instead");
return 0;
}
int CmdHFiClassSnoop(const char *Cmd)
{
- UsbCommand c = {CMD_SNOOP_ICLASS};
- SendCommand(&c);
- return 0;
+ UsbCommand c = {CMD_SNOOP_ICLASS};
+ SendCommand(&c);
+ return 0;
}
-#define NUM_CSNS 15
-int CmdHFiClassSim(const char *Cmd)
+int usage_hf_iclass_sim()
{
- uint8_t simType = 0;
- uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-
- if (strlen(Cmd)<1) {
- PrintAndLog("Usage: hf iclass sim [0 <CSN>] | x");
+ PrintAndLog("Usage: hf iclass sim <option> [CSN]");
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");
+ PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key");
+ PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')");
+ PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0");
+ PrintAndLog(" example: hf iclass sim 2");
+ PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
+ PrintAndLog(" hf iclass sim 3");
return 0;
- }
-
- simType = param_get8(Cmd, 0);
-
- 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));
-
- }
- if(simType > 2)
- {
- PrintAndLog("Undefined simptype %d", simType);
- return 1;
- }
- uint8_t numberOfCSNs=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)<1) {
+ return usage_hf_iclass_sim();
+ }
+ simType = param_get8ex(Cmd, 0, 0, 10);
+
+ if(simType == 0)
+ {
+ if (param_gethex(Cmd, 1, CSN, 16)) {
+ PrintAndLog("A CSN should consist of 16 HEX symbols");
+ return usage_hf_iclass_sim();
+ }
+ PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
+ }
+ if(simType > 3)
+ {
+ PrintAndLog("Undefined simptype %d", simType);
+ return usage_hf_iclass_sim();
+ }
+
+ 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 };
+ 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);
}
- return 0;
+ return 0;
+}
+
+int HFiClassReader(const char *Cmd, bool loop, bool verbose)
+{
+ bool tagFound = false;
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN|
+ FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_AA}};
+ if (!loop) c.arg[0] |= FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY;
+ SendCommand(&c);
+ UsbCommand resp;
+ while(!ukbhit()){
+ if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) {
+ uint8_t readStatus = resp.arg[0] & 0xff;
+ uint8_t *data = resp.d.asBytes;
+
+ if (verbose)
+ PrintAndLog("Readstatus:%02x", readStatus);
+ if( readStatus == 0){
+ //Aborted
+ if (verbose) PrintAndLog("Quitting...");
+ return 0;
+ }
+ if( readStatus & FLAG_ICLASS_READER_CSN){
+ PrintAndLog("CSN: %s",sprint_hex(data,8));
+ tagFound = true;
+ }
+ if( readStatus & FLAG_ICLASS_READER_CC) PrintAndLog("CC: %s",sprint_hex(data+16,8));
+ if( readStatus & FLAG_ICLASS_READER_CONF){
+ printIclassDumpInfo(data);
+ }
+ if (tagFound && !loop) return 1;
+ } else {
+ if (verbose) PrintAndLog("Command execute timeout");
+ }
+ if (!loop) break;
+ }
+ 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){
- //Aborted
- PrintAndLog("Quitting...");
- return 0;
- }
- 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;
+ return HFiClassReader(Cmd, true, true);
}
int CmdHFiClassReader_Replay(const char *Cmd)
{
- uint8_t readerType = 0;
- uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
+ uint8_t readerType = 0;
+ uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
- if (strlen(Cmd)<1) {
- PrintAndLog("Usage: hf iclass replay <MAC>");
- PrintAndLog(" sample: hf iclass replay 00112233");
- return 0;
- }
+ if (strlen(Cmd)<1) {
+ PrintAndLog("Usage: hf iclass replay <MAC>");
+ PrintAndLog(" sample: hf iclass replay 00112233");
+ return 0;
+ }
- if (param_gethex(Cmd, 0, MAC, 8)) {
- PrintAndLog("MAC must include 8 HEX symbols");
- return 1;
- }
+ if (param_gethex(Cmd, 0, MAC, 8)) {
+ PrintAndLog("MAC must include 8 HEX symbols");
+ return 1;
+ }
- UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
- memcpy(c.d.asBytes, MAC, 4);
- SendCommand(&c);
+ UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
+ memcpy(c.d.asBytes, MAC, 4);
+ SendCommand(&c);
- return 0;
+ 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| FLAG_ICLASS_READER_GET_CC;
- 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;
+ 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 };
+
+ UsbCommand c = {CMD_READER_ICLASS, {0}};
+ c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_CC;
+ SendCommand(&c);
+
+
+
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
+ {
+ PrintAndLog("Command execute timeout");
+ return 0;
+ }
+
+ uint8_t isOK = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ memcpy(CSN,data,8);
+ memcpy(CCNR,data+16,8);
+
+ PrintAndLog("isOk:%02x", isOK);
+
+ if(isOK > 0)
+ {
+ PrintAndLog("CSN: %s",sprint_hex(CSN,8));
+ }
+ if(isOK <= 1){
+ PrintAndLog("Failed to obtain CC! Aborting");
+ return 0;
+ }
+ //Status 2 or higher
+
+ 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{
+ 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,div_key, MAC);
+ printvar("MAC", MAC, 4);
+
+ uint8_t iclass_data[32000] = {0};
+ uint32_t iclass_datalen = 0;
+ uint32_t iclass_blocksFailed = 0;//Set to 1 if dump was incomplete
+
+ UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
+ memcpy(d.d.asBytes, MAC, 4);
+ clearCommandBuffer();
+ SendCommand(&d);
+ PrintAndLog("Waiting for device to dump data. Press button on device and key on keyboard to abort...");
+ while (true) {
+ printf(".");
+ if (ukbhit()) {
+ getchar();
+ printf("\naborted via keyboard!\n");
+ break;
+ }
+ if(WaitForResponseTimeout(CMD_ACK,&resp,4500))
+ {
+ uint32_t dataLength = resp.arg[0];
+ iclass_blocksFailed |= resp.arg[1];
+ if(dataLength > 0)
+ {
+ PrintAndLog("Got %d bytes data (total so far %d)" ,dataLength,iclass_datalen);
+ memcpy(iclass_data+iclass_datalen, resp.d.asBytes,dataLength);
+ iclass_datalen += dataLength;
+ }else
+ {//Last transfer, datalength 0 means the dump is finished
+ PrintAndLog("Dumped %d bytes of data from tag. ", iclass_datalen);
+ if(iclass_blocksFailed)
+ {
+ PrintAndLog("OBS! Some blocks failed to be dumped correctly!");
+ }
+ if(iclass_datalen > 0)
+ {
+ char filename[100] = {0};
+ //create a preferred filename
+ snprintf(filename, 100,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
+ CSN[0],CSN[1],CSN[2],CSN[3],
+ CSN[4],CSN[5],CSN[6],CSN[7]);
+ //Place the div_key in block 3
+ memcpy(iclass_data+(3*8), div_key, 8);
+ saveFile(filename,"bin",iclass_data, iclass_datalen );
+ }
+ //Aaaand we're finished
+ return 0;
+ }
+ }
+ }
+
+
+ return 0;
+}
+
+int hf_iclass_eload_usage()
+{
+ PrintAndLog("Loads iclass tag-dump into emulator memory on device");
+ PrintAndLog("Usage: hf iclass eload f <filename>");
+ PrintAndLog("");
+ PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin");
+ return 0;
+
+}
+
+int iclassEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
+ UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
+ memcpy(c.d.asBytes, data, blocksCount * 16);
+ SendCommand(&c);
+ return 0;
+}
+int CmdHFiClassELoad(const char *Cmd)
+{
+
+ char opt = param_getchar(Cmd, 0);
+ if (strlen(Cmd)<1 || opt == 'h')
+ return hf_iclass_eload_usage();
+
+ //File handling and reading
+ FILE *f;
+ char filename[FILE_PATH_SIZE];
+ if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
+ {
+ f = fopen(filename, "rb");
+ }else{
+ return hf_iclass_eload_usage();
+ }
+
+ if(!f) {
+ PrintAndLog("Failed to read from file '%s'", filename);
+ return 1;
+ }
+
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+
+ uint8_t *dump = malloc(fsize);
+
+
+ size_t bytes_read = fread(dump, 1, fsize, f);
+ fclose(f);
+
+ printIclassDumpInfo(dump);
+ //Validate
+
+ if (bytes_read < fsize)
+ {
+ prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
+ free(dump);
+ return 1;
+ }
+ //Send to device
+ uint32_t bytes_sent = 0;
+ uint32_t bytes_remaining = bytes_read;
+
+ while(bytes_remaining > 0){
+ uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
+ UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}};
+ memcpy(c.d.asBytes, dump, bytes_in_packet);
+ SendCommand(&c);
+ bytes_remaining -= bytes_in_packet;
+ bytes_sent += bytes_in_packet;
+ }
+ free(dump);
+ PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent);
+ return 0;
+}
+
+int usage_hf_iclass_decrypt()
+{
+ PrintAndLog("Usage: hf iclass decrypt f <tagdump> o ");
+ PrintAndLog("");
+ PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
+ PrintAndLog("in the working directory. The file should be 16 bytes binary data");
+ PrintAndLog("");
+ PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin");
+ PrintAndLog("");
+ PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. ");
+ PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,");
+ PrintAndLog("which is defined by the configuration block.");
+ return 1;
+}
+
+int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
+{
+ FILE *f = fopen(filename, "rb");
+ if(!f) {
+ PrintAndLog("Failed to read from file '%s'", filename);
+ return 1;
+ }
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+ size_t bytes_read = fread(buffer, 1, len, f);
+ fclose(f);
+ if(fsize != len)
+ {
+ PrintAndLog("Warning, file size is %d, expected %d", fsize, len);
+ return 1;
+ }
+ if(bytes_read != len)
+ {
+ PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len);
+ return 1;
+ }
+ return 0;
+}
+
+int CmdHFiClassDecrypt(const char *Cmd)
+{
+ uint8_t key[16] = { 0 };
+ if(readKeyfile("iclass_decryptionkey.bin", 16, key))
+ {
+ usage_hf_iclass_decrypt();
+ return 1;
+ }
+ PrintAndLog("Decryption file found... ");
+ char opt = param_getchar(Cmd, 0);
+ if (strlen(Cmd)<1 || opt == 'h')
+ return usage_hf_iclass_decrypt();
+
+ //Open the tagdump-file
+ FILE *f;
+ char filename[FILE_PATH_SIZE];
+ if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
+ {
+ f = fopen(filename, "rb");
+ }else{
+ return usage_hf_iclass_decrypt();
+ }
+
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+ uint8_t enc_dump[8] = {0};
+ uint8_t *decrypted = malloc(fsize);
+ des3_context ctx = { DES_DECRYPT ,{ 0 } };
+ des3_set2key_dec( &ctx, key);
+ size_t bytes_read = fread(enc_dump, 1, 8, f);
+
+ //Use the first block (CSN) for filename
+ char outfilename[FILE_PATH_SIZE] = { 0 };
+ snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
+ enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3],
+ enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]);
+
+ size_t blocknum =0;
+ while(bytes_read == 8)
+ {
+ if(blocknum < 7)
+ {
+ memcpy(decrypted+(blocknum*8), enc_dump, 8);
+ }else{
+ des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
+ }
+ printvar("decrypted block", decrypted +(blocknum*8), 8);
+ bytes_read = fread(enc_dump, 1, 8, f);
+ blocknum++;
+ }
+ fclose(f);
+
+ saveFile(outfilename,"bin", decrypted, blocknum*8);
+
+ 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;
+ 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, 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;
}
+int CmdHFiClass_loclass(const char *Cmd)
+{
+ char opt = param_getchar(Cmd, 0);
+
+ if (strlen(Cmd)<1 || opt == 'h') {
+ PrintAndLog("Usage: hf iclass loclass [options]");
+ PrintAndLog("Options:");
+ PrintAndLog("h Show this help");
+ PrintAndLog("t Perform self-test");
+ PrintAndLog("f <filename> Bruteforce iclass dumpfile");
+ PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
+ PrintAndLog(" malicious CSNs, and their protocol responses");
+ PrintAndLog(" The the binary format of the file is expected to be as follows: ");
+ PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+ PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+ PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+ PrintAndLog(" ... totalling N*24 bytes");
+ return 0;
+ }
+ char fileName[255] = {0};
+ if(opt == 'f')
+ {
+ if(param_getstr(Cmd, 1, fileName) > 0)
+ {
+ return bruteforceFileNoKeys(fileName);
+ }else
+ {
+ PrintAndLog("You must specify a filename");
+ }
+ }
+ else if(opt == 't')
+ {
+ int errors = testCipherUtils();
+ errors += testMAC();
+ errors += doKeyTests(0);
+ errors += testElite();
+ if(errors)
+ {
+ prnlog("OBS! There were errors!!!");
+ }
+ return errors;
+ }
+ 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"},
- {"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}
+ {"help", CmdHelp, 1, "This help"},
+ {"list", CmdHFiClassList, 0, "[Deprecated] 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"},
+ {"loclass", CmdHFiClass_loclass, 1, "Use loclass to perform bruteforce of reader attack dump"},
+ {"eload", CmdHFiClassELoad, 0, "[experimental] Load data into iclass emulator memory"},
+ {"decrypt", CmdHFiClassDecrypt, 1, "Decrypt tagdump" },
+ {NULL, NULL, 0, NULL}
};
int CmdHFiClass(const char *Cmd)
{
- CmdsParse(CommandTable, Cmd);
- return 0;
+ CmdsParse(CommandTable, Cmd);
+ return 0;
}
int CmdHelp(const char *Cmd)
{
- CmdsHelp(CommandTable);
- return 0;
+ CmdsHelp(CommandTable);
+ return 0;
}
projects / proxmark3-svn / blobdiff