#include "usb_cmd.h"
#include "cmdhfmfu.h"
-#define llX PRIx64
-
static int CmdHelp(const char *Cmd);
#define ICLASS_KEYS_MAX 8
uint8_t d[8];
} iclass_block_t;
-int xorbits_8(uint8_t val)
-{
+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
return res & 1;
}
-int CmdHFiClassList(const char *Cmd)
-{
+int CmdHFiClassList(const char *Cmd) {
PrintAndLog("Deprecated command, use 'hf list iclass' instead");
return 0;
}
-int CmdHFiClassSnoop(const char *Cmd)
-{
+int CmdHFiClassSnoop(const char *Cmd) {
UsbCommand c = {CMD_SNOOP_ICLASS};
SendCommand(&c);
return 0;
}
-int usage_hf_iclass_sim()
-{
+
+int usage_hf_iclass_sim(void) {
PrintAndLog("Usage: hf iclass sim <option> [CSN]");
PrintAndLog(" options");
PrintAndLog(" 0 <CSN> simulate the given CSN");
}
#define NUM_CSNS 15
-int CmdHFiClassSim(const char *Cmd)
-{
+int CmdHFiClassSim(const char *Cmd) {
uint8_t simType = 0;
uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
return 0;
}
-int HFiClassReader(const char *Cmd, bool loop, bool verbose)
-{
+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}};
return 0;
}
-int CmdHFiClassReader(const char *Cmd)
-{
+int CmdHFiClassReader(const char *Cmd) {
return HFiClassReader(Cmd, true, true);
}
-int CmdHFiClassReader_Replay(const char *Cmd)
-{
+int CmdHFiClassReader_Replay(const char *Cmd) {
uint8_t readerType = 0;
uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
return 0;
}
-int hf_iclass_eload_usage()
-{
+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 hf_iclass_eload_usage(void) {
PrintAndLog("Loads iclass tag-dump into emulator memory on device");
PrintAndLog("Usage: hf iclass eload f <filename>");
PrintAndLog("");
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)
-{
+int CmdHFiClassELoad(const char *Cmd) {
char opt = param_getchar(Cmd, 0);
if (strlen(Cmd)<1 || opt == 'h')
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
- uint8_t *dump = malloc(fsize);
+ if (fsize < 0) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+ uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
fclose(f);
return 0;
}
-int readKeyfile(const char *filename, size_t len, uint8_t* buffer)
-{
+static 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 0;
}
-int usage_hf_iclass_decrypt()
-{
- PrintAndLog("Usage: hf iclass decrypt f <tagdump> o ");
+int usage_hf_iclass_decrypt(void) {
+ PrintAndLog("Usage: hf iclass decrypt f <tagdump>");
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");
return 1;
}
-int CmdHFiClassDecrypt(const char *Cmd)
-{
+int CmdHFiClassDecrypt(const char *Cmd) {
uint8_t key[16] = { 0 };
if(readKeyfile("iclass_decryptionkey.bin", 16, key))
{
//Open the tagdump-file
FILE *f;
char filename[FILE_PATH_SIZE];
- if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
- {
+ if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
f = fopen(filename, "rb");
- }else{
+ if ( f == NULL ) {
+ PrintAndLog("Could not find file %s", filename);
+ return 1;
+ }
+ } else {
return usage_hf_iclass_decrypt();
}
fclose(f);
saveFile(outfilename,"bin", decrypted, blocknum*8);
-
+ free(decrypted);
return 0;
}
-int usage_hf_iclass_encrypt(){
+int usage_hf_iclass_encrypt(void) {
PrintAndLog("Usage: hf iclass encrypt <BlockData>");
PrintAndLog("");
PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
return 0;
}
-int iClassEncryptBlkData(uint8_t *blkData)
-{
+static int iClassEncryptBlkData(uint8_t *blkData) {
uint8_t key[16] = { 0 };
if(readKeyfile("iclass_decryptionkey.bin", 16, key))
{
}
PrintAndLog("Decryption file found... ");
- uint8_t decryptedData[16];
- uint8_t *decrypted = decryptedData;
+ uint8_t encryptedData[16];
+ uint8_t *encrypted = encryptedData;
des3_context ctx = { DES_DECRYPT ,{ 0 } };
des3_set2key_enc( &ctx, key);
- des3_crypt_ecb(&ctx, blkData,decrypted);
+ des3_crypt_ecb(&ctx, blkData,encrypted);
//printvar("decrypted block", decrypted, 8);
- memcpy(blkData,decrypted,8);
+ memcpy(blkData,encrypted,8);
return 1;
}
-int CmdHFiClassEncryptBlk(const char *Cmd)
-{
+int CmdHFiClassEncryptBlk(const char *Cmd) {
uint8_t blkData[8] = {0};
char opt = param_getchar(Cmd, 0);
if (strlen(Cmd)<1 || opt == 'h')
return 1;
}
-void Calc_wb_mac(uint8_t blockno,uint8_t *data,uint8_t *div_key,uint8_t MAC[4]){
+void Calc_wb_mac(uint8_t blockno, uint8_t *data, uint8_t *div_key, uint8_t MAC[4]) {
uint8_t WB[9];
WB[0] = blockno;
memcpy(WB + 1,data,8);
//printf("Cal wb mac block [%02x][%02x%02x%02x%02x%02x%02x%02x%02x] : MAC [%02x%02x%02x%02x]",WB[0],WB[1],WB[2],WB[3],WB[4],WB[5],WB[6],WB[7],WB[8],MAC[0],MAC[1],MAC[2],MAC[3]);
}
-static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool verbose){
+static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool verbose) {
UsbCommand resp;
UsbCommand c = {CMD_READER_ICLASS, {0}};
- c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_CC;
+ c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_ONE_TRY;
if (use_credit_key)
c.arg[0] |= FLAG_ICLASS_READER_CEDITKEY;
memcpy(CSN,data,8);
if (CCNR!=NULL)memcpy(CCNR,data+16,8);
- //PrintAndLog("isOk:%02x", isOK);
if(isOK > 0)
{
if (verbose) PrintAndLog("CSN: %s",sprint_hex(CSN,8));
return true;
}
-static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool verbose) {
+static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool verbose) {
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 keytable[128] = {0};
- uint8_t *used_key;
- uint8_t key_sel[8] = {0};
- uint8_t key_sel_p[8] = { 0 };
if (!select_only(CSN, CCNR, use_credit_key, verbose))
return false;
- if(elite) {
- hash2(KEY, keytable);
- //Get the key index (hash1)
- uint8_t key_index[8] = {0};
- hash1(CSN, key_index);
- //printvar("hash1", key_index,8);
- for(uint8_t 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",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,8);
+ //get div_key
+ if(rawkey)
+ memcpy(div_key, KEY, 8);
+ else
+ HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+ PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey ? "raw key" : "diversified key", div_key[0],div_key[1],div_key[2],div_key[3],div_key[4],div_key[5],div_key[6],div_key[7]);
+
doMAC(CCNR, div_key, MAC);
- //printvar("MAC", MAC, 4);
UsbCommand resp;
UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
memcpy(d.d.asBytes, MAC, 4);
return true;
}
-int usage_hf_iclass_dump(){
- PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e\n");
+int usage_hf_iclass_dump(void) {
+ PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e|r\n");
PrintAndLog("Options:");
PrintAndLog(" f <filename> : specify a filename to save dump to");
PrintAndLog(" k <Key> : *Access Key as 16 hex symbols or 1 hex to select key from memory");
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(" r : If 'r' is specified, the key is interpreted as raw block 3/4");
PrintAndLog(" NOTE: * = required");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass dump k 001122334455667B");
return 0;
}
-int CmdHFiClassReader_Dump(const char *Cmd){
+int CmdHFiClassReader_Dump(const char *Cmd) {
uint8_t MAC[4] = {0x00,0x00,0x00,0x00};
uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t blockno = 0;
uint8_t numblks = 0;
- uint8_t maxBlk = 32;
+ uint8_t maxBlk = 31;
+ uint8_t app_areas = 1;
+ uint8_t kb = 2;
uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t keyNbr = 0;
uint8_t fileNameLen = 0;
char filename[FILE_PATH_SIZE]={0};
char tempStr[50] = {0};
+ bool have_debit_key = false;
bool have_credit_key = false;
+ bool use_credit_key = false;
bool elite = false;
+ bool rawkey = false;
bool errors = false;
uint8_t cmdp = 0;
errors = param_gethex(tempStr, 0, CreditKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
break;
case 'k':
case 'K':
+ have_debit_key = true;
dataLen = param_getstr(Cmd, cmdp+1, tempStr);
if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
}
cmdp += 2;
break;
+ case 'r':
+ case 'R':
+ rawkey = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
}
if (cmdp < 2) return usage_hf_iclass_dump();
+ // if no debit key given try credit key on AA1 (not for iclass but for some picopass this will work)
+ if (!have_debit_key && have_credit_key) use_credit_key = true;
//get config and first 3 blocks
UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN |
FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY}};
UsbCommand resp;
uint8_t tag_data[255*8];
+
clearCommandBuffer();
SendCommand(&c);
- if (WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
- uint8_t readStatus = resp.arg[0] & 0xff;
- uint8_t *data = resp.d.asBytes;
-
- if( readStatus == 0){
- //Aborted
- PrintAndLog("No tag found...");
- return 0;
- }
- if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
- memcpy(tag_data, data, 8*3);
- /*for (; blockno < 3; blockno++) {
- PrintAndLog(" | %02X | %02X%02X%02X%02X%02X%02X%02X%02X |", blockno,
- data[(blockno*8)+0],data[(blockno*8)+1],data[(blockno*8)+2],data[(blockno*8)+3],
- data[(blockno*8)+4],data[(blockno*8)+5],data[(blockno*8)+6],data[(blockno*8)+7]);
- }*/
- blockno+=2;
- numblks = data[8];
-
- if (data[13] & 0x80) {
- // large memory - not able to dump pages currently
- maxBlk = 255;
- } else {
- maxBlk = 32;
- }
- //PrintAndLog("maxBlk: %02X",maxBlk);
- }
- } else {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
+ ul_switch_off_field();
return 0;
}
+ uint8_t readStatus = resp.arg[0] & 0xff;
+ uint8_t *data = resp.d.asBytes;
- if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
+ if(readStatus == 0){
+ PrintAndLog("No tag found...");
+ ul_switch_off_field();
+ return 0;
+ }
+ if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
+ memcpy(tag_data, data, 8*3);
+ blockno+=2; // 2 to force re-read of block 2 later. (seems to respond differently..)
+ numblks = data[8];
+ getMemConfig(data[13], data[12], &maxBlk, &app_areas, &kb);
+ // large memory - not able to dump pages currently
+ if (numblks > maxBlk) numblks = maxBlk;
+ }
+ ul_switch_off_field();
+ // authenticate debit key and get div_key - later store in dump block 3
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
//try twice - for some reason it sometimes fails the first time...
- if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
ul_switch_off_field();
return 0;
}
}
- //print debit div_key
- //PrintAndLog(" | 03 | %02X%02X%02X%02X%02X%02X%02X%02X |",
- // div_key[0],div_key[1],div_key[2],div_key[3],
- // div_key[4],div_key[5],div_key[6],div_key[7]);
- if (have_credit_key){
- //turn off hf field
- //PrintAndLog("attempt 1 to auth with credit key");
- ul_switch_off_field();
- memset(c_div_key,0,8);
- memset(MAC,0,4);
- if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
- //try twice - for some reason it sometimes fails the first time...
- memset(c_div_key,0,8);
- memset(MAC,0,4);
- if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
- ul_switch_off_field();
- return 0;
- }
- }
- //print credit div_key
- //PrintAndLog(" | 04 | %02X%02X%02X%02X%02X%02X%02X%02X |",
- // div_key[0],div_key[1],div_key[2],div_key[3],
- // div_key[4],div_key[5],div_key[6],div_key[7]);
-
- //turn off hf field
- //PrintAndLog("attempt 2 to auth with debit key");
- ul_switch_off_field();
- memset(div_key,0,8);
- memset(MAC,0,4);
- if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
- //try twice - for some reason it sometimes fails the first time...
- if (!select_and_auth(KEY, MAC, div_key, false, elite, false)){
- ul_switch_off_field();
- return 0;
- }
- }
- }
- //PrintAndLog("have %d blocks",blockno);
-
- UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1, 0x88}};
+ // begin dump
+ UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1}};
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute time-out 1");
+ ul_switch_off_field();
return 1;
}
uint32_t blocksRead = resp.arg[1];
uint8_t isOK = resp.arg[0] & 0xff;
if (!isOK && !blocksRead) {
PrintAndLog("Read Block Failed");
+ ul_switch_off_field();
return 0;
}
uint32_t startindex = resp.arg[2];
PrintAndLog("Data exceeded Buffer size!");
blocksRead = (sizeof(tag_data)/8) - blockno;
}
- //PrintAndLog("blocksread: %d, blockno: %d, startindex: %x",blocksRead,blockno,startindex);
+ // response ok - now get bigbuf content of the dump
GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex);
WaitForResponse(CMD_ACK,NULL);
- uint32_t gotBytes = blocksRead*8 + blockno*8;
+ size_t gotBytes = blocksRead*8 + blockno*8;
- //PrintAndLog("have %d blocks",gotBytes/8);
-
- if (have_credit_key && maxBlk > blockno+numblks+1) {
- //turn off hf field
+ // try AA2
+ if (have_credit_key) {
+ //turn off hf field before authenticating with different key
ul_switch_off_field();
- //PrintAndLog("attempt 2 to auth with credit key");
- memset(c_div_key,0,8);
memset(MAC,0,4);
- if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
+ // AA2 authenticate credit key and git c_div_key - later store in dump block 4
+ if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
//try twice - for some reason it sometimes fails the first time...
- if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
+ if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
ul_switch_off_field();
return 0;
}
}
- w.arg[0] = blockno + blocksRead;
- w.arg[1] = maxBlk - (blockno + blocksRead);
- w.arg[2] = 0x18;
- clearCommandBuffer();
- SendCommand(&w);
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
- PrintAndLog("Command execute timeout 2");
- return 0;
- }
- uint8_t isOK = resp.arg[0] & 0xff;
- blocksRead = resp.arg[1];
- if (!isOK && !blocksRead) {
- PrintAndLog("Read Block Failed 2");
- return 0;
- }
+ // do we still need to read more block? (aa2 enabled?)
+ if (maxBlk > blockno+numblks+1) {
+ // setup dump and start
+ w.arg[0] = blockno + blocksRead;
+ w.arg[1] = maxBlk - (blockno + blocksRead);
+ clearCommandBuffer();
+ SendCommand(&w);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ PrintAndLog("Command execute timeout 2");
+ ul_switch_off_field();
+ return 0;
+ }
+ uint8_t isOK = resp.arg[0] & 0xff;
+ blocksRead = resp.arg[1];
+ if (!isOK && !blocksRead) {
+ PrintAndLog("Read Block Failed 2");
+ ul_switch_off_field();
+ return 0;
+ }
- startindex = resp.arg[2];
- if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
- PrintAndLog("Data exceeded Buffer size!");
- blocksRead = (sizeof(tag_data) - gotBytes)/8;
- }
- GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
- WaitForResponse(CMD_ACK,NULL);
+ startindex = resp.arg[2];
+ if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
+ PrintAndLog("Data exceeded Buffer size!");
+ blocksRead = (sizeof(tag_data) - gotBytes)/8;
+ }
+ // get dumped data from bigbuf
+ GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
+ WaitForResponse(CMD_ACK,NULL);
- gotBytes += blocksRead*8;
- //PrintAndLog("have %d blocks",gotBytes/8);
+ gotBytes += blocksRead*8;
+ } else { //field is still on - turn it off...
+ ul_switch_off_field();
+ }
}
- memcpy(tag_data+(3*8),div_key,8);
- memcpy(tag_data+(4*8),c_div_key,8);
-
- for (blockno = 0; blockno < gotBytes/8; blockno++){
- PrintAndLog(" | %02X | %02X%02X%02X%02X%02X%02X%02X%02X |", blockno,
- tag_data[(blockno*8)+0],tag_data[(blockno*8)+1],tag_data[(blockno*8)+2],tag_data[(blockno*8)+3],
- tag_data[(blockno*8)+4],tag_data[(blockno*8)+5],tag_data[(blockno*8)+6],tag_data[(blockno*8)+7]);
- }
+ // add diversified keys to dump
+ if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
+ if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
+ // print the dump
+ printf("------+--+-------------------------+\n");
+ printf("CSN |00| %s|\n",sprint_hex(tag_data, 8));
+ printIclassDumpContents(tag_data, 1, (gotBytes/8), gotBytes);
+
if (filename[0] == 0){
snprintf(filename, FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
tag_data[0],tag_data[1],tag_data[2],tag_data[3],
tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
}
- saveFile(filename,"bin",tag_data, gotBytes );
+
+ // save the dump to .bin file
PrintAndLog("Saving dump file - %d blocks read", gotBytes/8);
+ saveFile(filename, "bin", tag_data, gotBytes);
return 1;
}
-/*
-int CmdHFiClassReader_Dump(const char *Cmd)
-{
- uint8_t readerType = 0;
+static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool verbose) {
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 keytable[128] = {0};
- bool elite = false;
- bool use_credit_key = false;
- uint8_t *used_key;
- int i;
- if (strlen(Cmd) < 1)
- {
- return usage_hf_iclass_dump();
- }
-
- 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 = true;
-
- //calc h2
- hash2(KEY, keytable);
- printarr_human_readable("keytable", keytable, 128);
-
- if (param_getchar(Cmd, 2) == 'c')
- use_credit_key = true;
- } else if (param_getchar(Cmd, 1) == 'c'){
- use_credit_key = true;
- }
-
- 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;
- if (use_credit_key)
- c.arg[0] |= FLAG_ICLASS_READER_CEDITKEY;
- clearCommandBuffer();
- 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 WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool verbose){
- uint8_t MAC[4]={0x00,0x00,0x00,0x00};
- uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
- uint8_t keyType = (use_credit_key) ? 0x18 : 0x88;
- if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, verbose))
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose))
return 0;
UsbCommand resp;
Calc_wb_mac(blockno,bldata,div_key,MAC);
- UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno, keyType}};
+ UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno}};
memcpy(w.d.asBytes, bldata, 8);
- memcpy(w.d.asBytes + 8,MAC, 4);
+ memcpy(w.d.asBytes + 8, MAC, 4);
clearCommandBuffer();
SendCommand(&w);
return 0;
}
PrintAndLog("Write Block Successful");
-
return 1;
}
-int usage_hf_iclass_writeblock() {
+int usage_hf_iclass_writeblock(void) {
PrintAndLog("Options:");
PrintAndLog(" b <Block> : The block number as 2 hex symbols");
PrintAndLog(" d <data> : Set the Data to write as 16 hex symbols");
PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
+ PrintAndLog(" r : If 'r' is specified, no computations applied to key");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
int CmdHFiClass_WriteBlock(const char *Cmd) {
uint8_t blockno=0;
- uint8_t bldata[8]={0};
+ uint8_t bldata[8]={0,0,0,0,0,0,0,0};
uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
char tempStr[50] = {0};
bool use_credit_key = false;
bool elite = false;
+ bool rawkey= false;
bool errors = false;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
}
cmdp += 2;
break;
+ case 'r':
+ case 'R':
+ rawkey = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
}
if (cmdp < 6) return usage_hf_iclass_writeblock();
-
- return WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
+ int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true);
+ ul_switch_off_field();
+ return ans;
}
-int usage_hf_iclass_clone() {
- PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> e c");
+int usage_hf_iclass_clone(void) {
+ PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r");
PrintAndLog("Options:");
PrintAndLog(" f <filename>: specify a filename to clone from");
PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols");
PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
+ PrintAndLog(" r : If 'r' is specified, no computations applied to key");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0");
}
int CmdHFiClassCloneTag(const char *Cmd) {
- char filename[FILE_PATH_SIZE];
+ char filename[FILE_PATH_SIZE] = {0};
char tempStr[50]={0};
uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
bool use_credit_key = false;
bool elite = false;
+ bool rawkey = false;
bool errors = false;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
}
cmdp += 2;
break;
+ case 'r':
+ case 'R':
+ rawkey = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
if (startblock<5) {
PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4");
+ fclose(f);
return 0;
}
// now read data from the file from block 6 --- 19
// else we have to create a share memory
int i;
fseek(f,startblock*8,SEEK_SET);
- fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f);
- /*
- for (i = 0; i < endblock - startblock+1; i++){
- printf("block [%02x] [%02x%02x%02x%02x%02x%02x%02x%02x]\n",i + startblock,tag_data[i].d[0],tag_data[i].d[1],tag_data[i].d[2],tag_data[i].d[3],tag_data[i].d[4],tag_data[i].d[5],tag_data[i].d[6],tag_data[i].d[7]);
- }*/
+ if ( fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f) == 0 ) {
+ PrintAndLog("File reading error.");
+ fclose(f);
+ return 2;
+ }
uint8_t MAC[4]={0x00,0x00,0x00,0x00};
uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
- if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, true))
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, true))
return 0;
- UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock,((use_credit_key) ? 0x18 : 0x88)}};
+ UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}};
uint8_t *ptr;
// calculate all mac for every the block we will write
for (i = startblock; i <= endblock; i++){
uint8_t p[12];
for (i = 0; i <= endblock - startblock;i++){
memcpy(p,w.d.asBytes + (i * 12),12);
- printf("block [%02x]",i + startblock);
- printf(" [%02x%02x%02x%02x%02x%02x%02x%02x]",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
- printf(" MAC [%02x%02x%02x%02x]\n",p[8],p[9],p[10],p[11]);
+ printf("Block |%02x|",i + startblock);
+ printf(" %02x%02x%02x%02x%02x%02x%02x%02x |",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
+ printf(" MAC |%02x%02x%02x%02x|\n",p[8],p[9],p[10],p[11]);
}
UsbCommand resp;
SendCommand(&w);
return 1;
}
-int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool verbose){
+static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose) {
uint8_t MAC[4]={0x00,0x00,0x00,0x00};
uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
- if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, verbose))
+ if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose))
return 0;
UsbCommand resp;
- UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno, keyType}};
+ UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}};
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
return 1;
}
-int usage_hf_iclass_readblock(){
- PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> c e\n");
+int usage_hf_iclass_readblock(void) {
+ PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> c e|r\n");
PrintAndLog("Options:");
PrintAndLog(" b <Block> : The block number as 2 hex symbols");
PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
+ PrintAndLog(" r : If 'r' is specified, no computations applied to key");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass readblk b 06 k 0011223344556677");
PrintAndLog(" hf iclass readblk b 1B k 0011223344556677 c");
return 0;
}
-int CmdHFiClass_ReadBlock(const char *Cmd)
-{
+int CmdHFiClass_ReadBlock(const char *Cmd) {
uint8_t blockno=0;
uint8_t keyType = 0x88; //debit key
uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t dataLen = 0;
char tempStr[50] = {0};
bool elite = false;
+ bool rawkey = false;
bool errors = false;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
}
cmdp += 2;
break;
+ case 'r':
+ case 'R':
+ rawkey = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
}
if (cmdp < 4) return usage_hf_iclass_readblock();
-
- return ReadBlock(KEY, blockno, keyType, elite, true);
+
+ return ReadBlock(KEY, blockno, keyType, elite, rawkey, true);
}
-int CmdHFiClass_loclass(const char *Cmd)
-{
+int CmdHFiClass_loclass(const char *Cmd) {
char opt = param_getchar(Cmd, 0);
if (strlen(Cmd)<1 || opt == 'h') {
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(" 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>");
return 0;
}
-int usage_hf_iclass_readtagfile(){
- PrintAndLog("Usage: hf iclass readtagfile <filename>");
- return 1;
-}
-
-void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize){
- uint8_t blockdata[8];
+void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) {
uint8_t mem_config;
memcpy(&mem_config, iclass_dump + 13,1);
uint8_t maxmemcount;
uint8_t filemaxblock = filesize / 8;
- if (mem_config == 0x80)
+ if (mem_config & 0x80)
maxmemcount = 255;
else
- maxmemcount = 32;
+ maxmemcount = 31;
+ //PrintAndLog ("endblock: %d, filesize: %d, maxmemcount: %d, filemaxblock: %d", endblock,filesize, maxmemcount, filemaxblock);
if (startblock == 0)
startblock = 6;
if ((endblock > maxmemcount) || (endblock == 0))
endblock = maxmemcount;
- if (endblock > filemaxblock)
+
+ // remember endblock need to relate to zero-index arrays.
+ if (endblock > filemaxblock-1)
endblock = filemaxblock;
+
int i = startblock;
- int j;
- while (i < endblock){
- printf("block[%02X]: ",i);
- memcpy(blockdata,iclass_dump + (i * 8),8);
- for (j = 0;j < 8;j++)
- printf("%02X ",blockdata[j]);
- printf("\n");
+ printf("------+--+-------------------------+\n");
+ while (i <= endblock) {
+ uint8_t *blk = iclass_dump + (i * 8);
+ printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) );
i++;
}
- if ((i < filemaxblock) && (i < maxmemcount)){
- printf("block[%02X]: ",i);
- memcpy(blockdata,iclass_dump + (i * 8),8);
- for (j = 0;j < 8;j++)
- printf("%02X",blockdata[j]);
- printf("\n");
- }
+ printf("------+--+-------------------------+\n");
}
-int CmdHFiClassReadTagFile(const char *Cmd)
-{
+int usage_hf_iclass_readtagfile() {
+ PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]");
+ return 1;
+}
+
+int CmdHFiClassReadTagFile(const char *Cmd) {
int startblock = 0;
int endblock = 0;
char tempnum[5];
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
- uint8_t *dump = malloc(fsize);
+ if ( fsize < 0 ) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+ uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
fclose(f);
uint8_t *csn = dump;
- printf("CSN : %02X %02X %02X %02X %02X %02X %02X %02X\n",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]);
+ printf("------+--+-------------------------+\n");
+ printf("CSN |00| %s|\n", sprint_hex(csn, 8) );
// printIclassDumpInfo(dump);
printIclassDumpContents(dump,startblock,endblock,bytes_read);
free(dump);
return 0;
}
-uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv){
+/*
+uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv) {
uint64_t new_div = 0x00;
new_div ^= sdiv;
new_div ^= hdiv;
return new_div;
}
-uint64_t hexarray_to_uint64(uint8_t *key){
+uint64_t hexarray_to_uint64(uint8_t *key) {
char temp[17];
uint64_t uint_key;
for (int i = 0;i < 8;i++)
sprintf(&temp[(i *2)],"%02X",key[i]);
temp[16] = '\0';
- if (sscanf(temp,"%016"llX,&uint_key) < 1)
+ if (sscanf(temp,"%016" SCNx64,&uint_key) < 1)
return 0;
return uint_key;
}
-
-int usage_hf_iclass_calc_ekey(){
- PrintAndLog("Usage: hf iclass calc_ekey <STDKEY> <ELITE key> [c]");
- return 1;
-}
-
-int CmdHFiClassCalcEKey(const char *Cmd){
- uint8_t STDKEY[8];
- uint8_t ELITEKEY[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 std_div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
- uint8_t elite_div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+*/
+void HFiClassCalcDivKey(uint8_t *CSN, uint8_t *KEY, uint8_t *div_key, bool elite){
uint8_t keytable[128] = {0};
uint8_t key_index[8] = {0};
- uint64_t new_div_key;
- uint64_t i_elite_div_key;
- uint64_t i_std_div_key;
- bool use_credit_key = false;
- //memcpy(STDKEY,GLOBAL_KEY,sizeof(STDKEY));
- int i;
- if (strlen(Cmd) < 2)
- return usage_hf_iclass_calc_ekey();
+ if (elite) {
+ uint8_t key_sel[8] = { 0 };
+ uint8_t key_sel_p[8] = { 0 };
+ hash2(KEY, keytable);
+ hash1(CSN, key_index);
+ for(uint8_t i = 0; i < 8 ; i++)
+ key_sel[i] = keytable[key_index[i]] & 0xFF;
- if (param_gethex(Cmd, 0, STDKEY, 16))
- return usage_hf_iclass_calc_ekey();
+ //Permute from iclass format to standard format
+ permutekey_rev(key_sel, key_sel_p);
+ diversifyKey(CSN, key_sel_p, div_key);
+ } else {
+ diversifyKey(CSN, KEY, div_key);
+ }
+}
- if (param_gethex(Cmd, 1, ELITEKEY, 16) != 0)
- return usage_hf_iclass_calc_ekey();
+//when told CSN, oldkey, newkey, if new key is elite (elite), and if old key was elite (oldElite)
+//calculate and return xor_div_key (ready for a key write command)
+//print all div_keys if verbose
+static void HFiClassCalcNewKey(uint8_t *CSN, uint8_t *OLDKEY, uint8_t *NEWKEY, uint8_t *xor_div_key, bool elite, bool oldElite, bool verbose){
+ uint8_t old_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t new_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ //get old div key
+ HFiClassCalcDivKey(CSN, OLDKEY, old_div_key, oldElite);
+ //get new div key
+ HFiClassCalcDivKey(CSN, NEWKEY, new_div_key, elite);
+
+ for (uint8_t i = 0; i < sizeof(old_div_key); i++){
+ xor_div_key[i] = old_div_key[i] ^ new_div_key[i];
+ }
+ if (verbose) {
+ printf("Old Div Key : %s\n",sprint_hex(old_div_key,8));
+ printf("New Div Key : %s\n",sprint_hex(new_div_key,8));
+ printf("Xor Div Key : %s\n",sprint_hex(xor_div_key,8));
+ }
+}
- if (param_getchar(Cmd, 2)=='c')
- use_credit_key = true;
+int usage_hf_iclass_calc_newkey(void) {
+ PrintAndLog("HELP : Manage iClass Keys in client memory:\n");
+ PrintAndLog("Usage: hf iclass calc_newkey o <Old key> n <New key> s [csn] e");
+ PrintAndLog(" Options:");
+ PrintAndLog(" o <oldkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
+ PrintAndLog(" n <newkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
+ PrintAndLog(" s <csn> : specify a card Serial number to diversify the key (if omitted will attempt to read a csn)");
+ PrintAndLog(" e : specify new key as elite calc");
+ PrintAndLog(" ee : specify old and new key as elite calc");
+ PrintAndLog("Samples:");
+ PrintAndLog(" e key to e key given csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899 s deadbeafdeadbeaf ee");
+ PrintAndLog(" std key to e key read csn: hf iclass calcnewkey o 1122334455667788 n 2233445566778899 e");
+ PrintAndLog(" std to std read csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899");
+ PrintAndLog("NOTE: * = required\n");
- hash2(ELITEKEY, keytable);
+ return 1;
+}
- uint8_t key_sel[8] = { 0 };
- uint8_t key_sel_p[8] = { 0 };
+int CmdHFiClassCalcNewKey(const char *Cmd) {
+ uint8_t OLDKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t NEWKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t xor_div_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 keyNbr = 0;
+ uint8_t dataLen = 0;
+ char tempStr[50] = {0};
+ bool givenCSN = false;
+ bool oldElite = false;
+ bool elite = false;
+ bool errors = false;
+ uint8_t cmdp = 0;
+ while(param_getchar(Cmd, cmdp) != 0x00)
+ {
+ switch(param_getchar(Cmd, cmdp))
+ {
+ case 'h':
+ case 'H':
+ return usage_hf_iclass_calc_newkey();
+ case 'e':
+ case 'E':
+ dataLen = param_getstr(Cmd, cmdp, tempStr);
+ if (dataLen==2)
+ oldElite = true;
+ elite = true;
+ cmdp++;
+ break;
+ case 'n':
+ case 'N':
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ if (dataLen == 16) {
+ errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
+ } else if (dataLen == 1) {
+ keyNbr = param_get8(Cmd, cmdp+1);
+ if (keyNbr < ICLASS_KEYS_MAX) {
+ memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
+ } else {
+ PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
+ errors = true;
+ }
+ } else {
+ PrintAndLog("\nERROR: NewKey is incorrect length\n");
+ errors = true;
+ }
+ cmdp += 2;
+ break;
+ case 'o':
+ case 'O':
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ if (dataLen == 16) {
+ errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
+ } else if (dataLen == 1) {
+ keyNbr = param_get8(Cmd, cmdp+1);
+ if (keyNbr < ICLASS_KEYS_MAX) {
+ memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
+ } else {
+ PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ errors = true;
+ }
+ } else {
+ PrintAndLog("\nERROR: Credit Key is incorrect length\n");
+ errors = true;
+ }
+ cmdp += 2;
+ break;
+ case 's':
+ case 'S':
+ givenCSN = true;
+ if (param_gethex(Cmd, cmdp+1, CSN, 16))
+ return usage_hf_iclass_calc_newkey();
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if(errors) return usage_hf_iclass_calc_newkey();
+ }
- if (!select_only(CSN, CCNR, use_credit_key, true))
- return 0;
+ if (cmdp < 4) return usage_hf_iclass_calc_newkey();
- diversifyKey(CSN, STDKEY, std_div_key);
-
- // printvar("(S)Div key", std_div_key, 8);
- hash1(CSN, key_index);
- for(i = 0; i < 8 ; i++)
- key_sel[i] = keytable[key_index[i]] & 0xFF;
-
- //Permute from iclass format to standard format
- permutekey_rev(key_sel, key_sel_p);
- diversifyKey(CSN, key_sel_p, elite_div_key);
- // printvar("(E)Div key", elite_div_key, 8);
- i_elite_div_key = hexarray_to_uint64(elite_div_key);
- i_std_div_key = hexarray_to_uint64(std_div_key);
- new_div_key = xorcheck(i_std_div_key, i_elite_div_key);
- printf("New Div Key : %016"llX"\n",new_div_key);
+ if (!givenCSN)
+ if (!select_only(CSN, CCNR, false, true))
+ return 0;
+
+ HFiClassCalcNewKey(CSN, OLDKEY, NEWKEY, xor_div_key, elite, oldElite, true);
return 0;
}
-int loadKeys(char *filename){
+static int loadKeys(char *filename) {
FILE *f;
f = fopen(filename,"rb");
if(!f) {
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
+ if ( fsize < 0 ) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+
uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
return 1;
}
-int saveKeys(char *filename){
+static int saveKeys(char *filename) {
FILE *f;
f = fopen(filename,"wb");
if (f == NULL) {
return 0;
}
-int printKeys(){
+static int printKeys(void) {
PrintAndLog("");
for (uint8_t i = 0; i < ICLASS_KEYS_MAX; i++){
PrintAndLog("%u: %s",i,sprint_hex(iClass_Key_Table[i],8));
return 0;
}
-int usage_hf_iclass_managekeys(){
+int usage_hf_iclass_managekeys(void) {
PrintAndLog("HELP : Manage iClass Keys in client memory:\n");
PrintAndLog("Usage: hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n");
PrintAndLog(" Options:");
return 0;
}
-int CmdManageKeys(const char *Cmd){
+int CmdHFiClassManageKeys(const char *Cmd) {
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
uint8_t KEY[8] = {0};
case 'n':
case 'N':
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr < 0) {
- PrintAndLog("Wrong block number");
+ if (keyNbr >= ICLASS_KEYS_MAX) {
+ PrintAndLog("Invalid block number");
errors = true;
}
cmdp += 2;
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"calc_ekey", CmdHFiClassCalcEKey, 0, "Get Elite Diversified key (block 3) to write to convert std to elite"},
- {"clone", CmdHFiClassCloneTag, 0, "Authenticate and Clone from iClass bin file"},
- {"decrypt", CmdHFiClassDecrypt, 1, "Decrypt tagdump" },
- {"dump", CmdHFiClassReader_Dump, 0, "Authenticate and Dump iClass tag's AA1"},
- {"eload", CmdHFiClassELoad, 0, "[experimental] Load data into iClass emulator memory"},
- {"encryptblk", CmdHFiClassEncryptBlk, 1, "[blockData] Encrypt given block data"},
- {"list", CmdHFiClassList, 0, "[Deprecated] List iClass history"},
- //{"load", CmdHFiClass_load, 0, "Load from tagfile to iClass card"},
- {"loclass", CmdHFiClass_loclass, 1, "Use loclass to perform bruteforce of reader attack dump"},
- {"managekeys", CmdManageKeys, 1, "Manage the keys to use with iClass"},
- {"readblk", CmdHFiClass_ReadBlock, 0, "Authenticate and Read iClass block"},
- {"reader", CmdHFiClassReader, 0, "Read an iClass tag"},
- {"readtagfile", CmdHFiClassReadTagFile, 1, "Display Content from tagfile"},
- {"replay", CmdHFiClassReader_Replay, 0, "Read an iClass tag via Reply Attack"},
- {"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
- {"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
- {"writeblk", CmdHFiClass_WriteBlock, 0, "Authenticate and Write iClass block"},
+ {"calcnewkey", CmdHFiClassCalcNewKey, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"},
+ {"clone", CmdHFiClassCloneTag, 0, "[options..] Authenticate and Clone from iClass bin file"},
+ {"decrypt", CmdHFiClassDecrypt, 1, "[f <fname>] Decrypt tagdump" },
+ {"dump", CmdHFiClassReader_Dump, 0, "[options..] Authenticate and Dump iClass tag's AA1"},
+ {"eload", CmdHFiClassELoad, 0, "[f <fname>] (experimental) Load data into iClass emulator memory"},
+ {"encryptblk", CmdHFiClassEncryptBlk, 1, "<BlockData> Encrypt given block data"},
+ {"list", CmdHFiClassList, 0, " (Deprecated) List iClass history"},
+ {"loclass", CmdHFiClass_loclass, 1, "[options..] Use loclass to perform bruteforce of reader attack dump"},
+ {"managekeys", CmdHFiClassManageKeys, 1, "[options..] Manage the keys to use with iClass"},
+ {"readblk", CmdHFiClass_ReadBlock, 0, "[options..] Authenticate and Read iClass block"},
+ {"reader", CmdHFiClassReader, 0, " Read an iClass tag"},
+ {"readtagfile", CmdHFiClassReadTagFile, 1, "[options..] Display Content from tagfile"},
+ {"replay", CmdHFiClassReader_Replay, 0, "<mac> Read an iClass tag via Reply Attack"},
+ {"sim", CmdHFiClassSim, 0, "[options..] Simulate iClass tag"},
+ {"snoop", CmdHFiClassSnoop, 0, " Eavesdrop iClass communication"},
+ {"writeblk", CmdHFiClass_WriteBlock, 0, "[options..] Authenticate and Write iClass block"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff