};
-typedef struct iclass_block {
- uint8_t d[8];
-} iclass_block_t;
-
-
// iclass / picopass chip config structures and shared routines
typedef struct {
uint8_t app_limit; //[8]
while (!ukbhit()) {
SendCommand(&c);
- if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) {
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
uint8_t readStatus = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
if (tagFound && !loop) return 1;
} else {
- if (verbose) PrintAndLog("Command execute timeout");
+ if (verbose) PrintAndLog("Error: No response from Proxmark.");
+ break;
}
if (!loop) break;
}
if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
- PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ PrintAndLog("\nERROR: Debit KeyNbr is invalid\n");
errors = true;
}
} else {
- PrintAndLog("\nERROR: Credit Key is incorrect length\n");
+ PrintAndLog("\nERROR: Debit Key is incorrect length\n");
errors = true;
}
cmdp += 2;
// if only credit key is given: try for AA1 as well (not for iclass but for some picopass this will work)
if (!have_debit_key && have_credit_key) {
- use_credit_key = true;
memcpy(KEY, CreditKEY, 8);
}
}
// authenticate with debit key (or credit key if we have no debit key) and get div_key - later store in dump block 3
- if (!iClass_authenticate(tag_data, KEY, MAC, div_key, use_credit_key, elite, rawkey, NRMAC_replay, verbose)){
+ if (!iClass_authenticate(tag_data, KEY, MAC, div_key, false, elite, rawkey, NRMAC_replay, verbose)) {
DropField();
return 0;
}
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(" o : override protection and allow modification of blocks 0...4");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
- PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0");
+ PrintAndLog(" hf iclass writeblk b 03 d AAAAAAAAAAAAAAAA k 001122334455667B c o");
}
static int CmdHFiClass_WriteBlock(const char *Cmd) {
- uint8_t blockno=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 blockno = 0;
+ uint8_t bldata[8] = {0};
+ uint8_t KEY[8] = {0};
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
char tempStr[50] = {0};
bool use_credit_key = false;
bool elite = false;
bool rawkey = false;
+ bool override_protection = false;
bool errors = false;
uint8_t cmdp = 0;
rawkey = true;
cmdp++;
break;
+ case 'o':
+ case 'O':
+ override_protection = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
usage_hf_iclass_writeblock();
return 0;
}
+
+ if (blockno < 5) {
+ if (override_protection) {
+ PrintAndLog("Info: modifying keys, e-purse or configuration block.");
+ } else {
+ PrintAndLog("You are going to modify keys, e-purse or configuration block.");
+ PrintAndLog("You must add the 'o' (override) option to confirm that you know what you are doing");
+ return 0;
+ }
+ }
+
int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, false, true);
+
DropField();
return ans;
}
static void 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("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r o");
PrintAndLog("Options:");
PrintAndLog(" f <filename>: specify a filename to clone from");
PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols");
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(" o : override protection and allow modification of target blocks 0...4");
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");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
+ PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
+ PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 03 l 19 k 0 e o");
}
bool use_credit_key = false;
bool elite = false;
bool rawkey = false;
+ bool override_protection = false;
bool errors = false;
uint8_t cmdp = 0;
rawkey = true;
cmdp++;
break;
+ case 'o':
+ case 'O':
+ override_protection = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
return 0;
}
- FILE *f;
-
- iclass_block_t tag_data[USB_CMD_DATA_SIZE/12];
-
- if ((endblock-startblock+1)*12 > USB_CMD_DATA_SIZE) {
- PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/8);
+ if (startblock < 5) {
+ if (override_protection) {
+ PrintAndLog("Info: modifying keys, e-purse or configuration block.");
+ } else {
+ PrintAndLog("You are going to modify keys, e-purse or configuration block.");
+ PrintAndLog("You must add the 'o' (override) option to confirm that you know what you are doing");
+ return 0;
+ }
+ }
+
+ if ((endblock - startblock + 1) * 12 > USB_CMD_DATA_SIZE) {
+ PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/12);
}
+
// file handling and reading
+ FILE *f;
f = fopen(filename,"rb");
if (!f) {
PrintAndLog("Failed to read from file '%s'", filename);
return 1;
}
- 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
- // ok we will use this struct [data 8 bytes][MAC 4 bytes] for each block calculate all mac number for each data
- // then copy to usbcommand->asbytes; the max is 32 - 6 = 24 block 12 bytes each block 288 bytes then we can only accept to clone 21 blocks at the time,
- // else we have to create a share memory
- int i;
+ uint8_t tag_data[USB_CMD_DATA_SIZE/12][8];
fseek(f, startblock*8, SEEK_SET);
- if (fread(tag_data, sizeof(iclass_block_t), endblock - startblock + 1, f) == 0 ) {
- PrintAndLog("File reading error.");
- fclose(f);
- return 2;
+ for (int i = 0; i < endblock - startblock + 1; i++) {
+ if (fread(&tag_data[i], 1, 8, 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};
+ uint8_t MAC[4] = {0x00, 0x00, 0x00, 0x00};
+ uint8_t div_key[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t CSN[8];
- if (!iClass_select(CSN, true, false, false) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, false, true)) {
+ if (!iClass_select(CSN, true, true, true) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, false, true)) {
DropField();
return 0;
}
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++) {
- Calc_wb_mac(i, tag_data[i - startblock].d, div_key, MAC);
- // usb command d start pointer = d + (i - 6) * 12
- // memcpy(pointer,tag_data[i - 6],8) 8 bytes
- // memcpy(pointer + 8,mac,sizoof(mac) 4 bytes;
- // next one
- ptr = w.d.asBytes + (i - startblock) * 12;
- memcpy(ptr, &(tag_data[i - startblock].d[0]), 8);
- memcpy(ptr + 8,MAC, 4);
+ // calculate MAC for every block we will write
+ for (int i = 0; i < endblock - startblock + 1; i++) {
+ Calc_wb_mac(startblock + i, tag_data[i], div_key, MAC);
+ ptr = w.d.asBytes + i * 12;
+ memcpy(ptr, tag_data[i], 8);
+ memcpy(ptr + 8, MAC, 4);
}
+
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]);
+ PrintAndLog("Cloning");
+ for (int i = 0; i < endblock - startblock + 1; i++){
+ memcpy(p, w.d.asBytes + (i * 12), 12);
+ PrintAndLog("Block |%02x| %02x%02x%02x%02x%02x%02x%02x%02x | MAC |%02x%02x%02x%02x|",
+ i + startblock, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11]);
}
UsbCommand resp;
SendCommand(&w);
- if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
DropField();
return 0;
}
+ DropField();
return 1;
}
projects / proxmark3-svn / blobdiff