// 56,64us = 24 ssp_clk_cycles
#define DELAY_ICLASS_VCD_TO_VICC_SIM (140 - 24)
// times in ssp_clk_cycles @ 3,3625MHz when acting as reader
-#define DELAY_ICLASS_VICC_TO_VCD_READER DELAY_ISO15693_VICC_TO_VCD_READER
+#define DELAY_ICLASS_VICC_TO_VCD_READER DELAY_ISO15693_VICC_TO_VCD_READER
// times in samples @ 212kHz when acting as reader
-#define ICLASS_READER_TIMEOUT_ACTALL 330 // 1558us, nominal 330us + 7slots*160us = 1450us
+#define ICLASS_READER_TIMEOUT_ACTALL 330 // 1558us, nominal 330us + 7slots*160us = 1450us
#define ICLASS_READER_TIMEOUT_OTHERS 80 // 380us, nominal 330us
if (OutOfNDecoding((smpl & 0xF0) >> 4)) {
rsamples = samples - Uart.samples;
time_stop = (GetCountSspClk()-time_0) << 4;
- LED_C_ON();
//if (!LogTrace(Uart.output, Uart.byteCnt, rsamples, Uart.parityBits,true)) break;
//if (!LogTrace(NULL, 0, Uart.endTime*16 - DELAY_READER_AIR2ARM_AS_SNIFFER, 0, true)) break;
/* And also reset the demod code, which might have been */
/* false-triggered by the commands from the reader. */
Demod.state = DEMOD_UNSYNCD;
- LED_B_OFF();
Uart.byteCnt = 0;
} else {
time_start = (GetCountSspClk()-time_0) << 4;
time_stop = (GetCountSspClk()-time_0) << 4;
rsamples = samples - Demod.samples;
- LED_B_ON();
uint8_t parity[MAX_PARITY_SIZE];
GetParity(Demod.output, Demod.len, parity);
memset(&Demod, 0, sizeof(Demod));
Demod.output = tagToReaderResponse;
Demod.state = DEMOD_UNSYNCD;
- LED_C_OFF();
} else {
time_start = (GetCountSspClk()-time_0) << 4;
}
}
-static bool sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, size_t max_resp_size,
+static bool sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, size_t max_resp_size,
uint8_t expected_size, uint8_t retries, uint32_t start_time, uint32_t *eof_time) {
while (retries-- > 0) {
ReaderTransmitIClass(command, cmdsize, &start_time);
}
/**
- * @brief Talks to an iclass tag, sends the commands to get CSN and CC.
- * @param card_data where the CSN and CC are stored for return
- * @return 0 = fail
- * 1 = Got CSN
- * 2 = Got CSN and CC
+ * @brief Selects an iclass tag
+ * @param card_data where the CSN is stored for return
+ * @return false = fail
+ * true = success
*/
-static uint8_t handshakeIclassTag_ext(uint8_t *card_data, bool use_credit_key, uint32_t *eof_time) {
+static bool selectIclassTag(uint8_t *card_data, uint32_t *eof_time) {
uint8_t act_all[] = { 0x0a };
uint8_t identify[] = { 0x0c };
uint8_t select[] = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- uint8_t readcheck_cc[] = { 0x88, 0x02 };
- if (use_credit_key)
- readcheck_cc[0] = 0x18;
- else
- readcheck_cc[0] = 0x88;
uint8_t resp[ICLASS_BUFFER_SIZE];
- uint8_t read_status = 0;
uint32_t start_time = GetCountSspClk();
// Send act_all
ReaderTransmitIClass(act_all, 1, &start_time);
// Card present?
- if (GetIso15693AnswerFromTag(resp, sizeof(resp), ICLASS_READER_TIMEOUT_ACTALL, eof_time) < 0) return read_status;//Fail
-
+ if (GetIso15693AnswerFromTag(resp, sizeof(resp), ICLASS_READER_TIMEOUT_ACTALL, eof_time) < 0) return false;//Fail
+
//Send Identify
start_time = *eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
ReaderTransmitIClass(identify, 1, &start_time);
- // FpgaDisableTracing(); // DEBUGGING
//We expect a 10-byte response here, 8 byte anticollision-CSN and 2 byte CRC
uint8_t len = GetIso15693AnswerFromTag(resp, sizeof(resp), ICLASS_READER_TIMEOUT_OTHERS, eof_time);
- if (len != 10) return read_status;//Fail
+ if (len != 10) return false;//Fail
//Copy the Anti-collision CSN to our select-packet
memcpy(&select[1], resp, 8);
ReaderTransmitIClass(select, sizeof(select), &start_time);
//We expect a 10-byte response here, 8 byte CSN and 2 byte CRC
len = GetIso15693AnswerFromTag(resp, sizeof(resp), ICLASS_READER_TIMEOUT_OTHERS, eof_time);
- if (len != 10) return read_status;//Fail
+ if (len != 10) return false;//Fail
- //Success - level 1, we got CSN
+ //Success - we got CSN
//Save CSN in response data
memcpy(card_data, resp, 8);
- //Flag that we got to at least stage 1, read CSN
- read_status = 1;
-
- // Card selected, now read e-purse (cc) (only 8 bytes no CRC)
- start_time = *eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
- ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc), &start_time);
- if (GetIso15693AnswerFromTag(resp, sizeof(resp), ICLASS_READER_TIMEOUT_OTHERS, eof_time) == 8) {
- //Save CC (e-purse) in response data
- memcpy(card_data+8, resp, 8);
- read_status++;
- }
-
- return read_status;
-}
-
-static uint8_t handshakeIclassTag(uint8_t *card_data, uint32_t *eof_time) {
- return handshakeIclassTag_ext(card_data, false, eof_time);
+ return true;
}
-// Reader iClass Anticollission
+// Select an iClass tag and read all blocks which are always readable without authentication
void ReaderIClass(uint8_t arg0) {
+ LED_A_ON();
+
uint8_t card_data[6 * 8] = {0};
memset(card_data, 0xFF, sizeof(card_data));
- uint8_t last_csn[8] = {0,0,0,0,0,0,0,0};
uint8_t resp[ICLASS_BUFFER_SIZE];
- memset(resp, 0xFF, sizeof(resp));
//Read conf block CRC(0x01) => 0xfa 0x22
- uint8_t readConf[] = { ICLASS_CMD_READ_OR_IDENTIFY, 0x01, 0xfa, 0x22};
+ uint8_t readConf[] = {ICLASS_CMD_READ_OR_IDENTIFY, 0x01, 0xfa, 0x22};
+ //Read e-purse block CRC(0x02) => 0x61 0x10
+ uint8_t readEpurse[] = {ICLASS_CMD_READ_OR_IDENTIFY, 0x02, 0x61, 0x10};
//Read App Issuer Area block CRC(0x05) => 0xde 0x64
- uint8_t readAA[] = { ICLASS_CMD_READ_OR_IDENTIFY, 0x05, 0xde, 0x64};
+ uint8_t readAA[] = {ICLASS_CMD_READ_OR_IDENTIFY, 0x05, 0xde, 0x64};
- int read_status= 0;
uint8_t result_status = 0;
- // flag to read until one tag is found successfully
- bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
- // flag to only try 5 times to find one tag then return
- bool try_once = arg0 & FLAG_ICLASS_READER_ONE_TRY;
- // if neither abort_after_read nor try_once then continue reading until button pressed.
- bool use_credit_key = arg0 & FLAG_ICLASS_READER_CEDITKEY;
// test flags for what blocks to be sure to read
uint8_t flagReadConfig = arg0 & FLAG_ICLASS_READER_CONF;
uint8_t flagReadCC = arg0 & FLAG_ICLASS_READER_CC;
StartCountSspClk();
uint32_t start_time = 0;
uint32_t eof_time = 0;
+
+ if (selectIclassTag(resp, &eof_time)) {
+ result_status = FLAG_ICLASS_READER_CSN;
+ memcpy(card_data, resp, 8);
+ }
- uint16_t tryCnt = 0;
- bool userCancelled = BUTTON_PRESS() || usb_poll_validate_length();
- while (!userCancelled) {
- // if only looking for one card try 2 times if we missed it the first time
- if (try_once && tryCnt > 2) {
- break;
- }
- tryCnt++;
- if (!get_tracing()) {
- DbpString("Trace full");
- break;
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
+
+ //Read block 1, config
+ if (flagReadConfig) {
+ if (sendCmdGetResponseWithRetries(readConf, sizeof(readConf), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
+ result_status |= FLAG_ICLASS_READER_CONF;
+ memcpy(card_data+8, resp, 8);
+ } else {
+ Dbprintf("Failed to read config block");
}
- WDT_HIT();
-
- read_status = handshakeIclassTag_ext(card_data, use_credit_key, &eof_time);
-
- if (read_status == 0) continue;
- if (read_status == 1) result_status = FLAG_ICLASS_READER_CSN;
- if (read_status == 2) result_status = FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CC;
-
start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
- // handshakeIclass returns CSN|CC, but the actual block
- // layout is CSN|CONFIG|CC, so here we reorder the data,
- // moving CC forward 8 bytes
- memcpy(card_data+16, card_data+8, 8);
- //Read block 1, config
- if (flagReadConfig) {
- if (sendCmdGetResponseWithRetries(readConf, sizeof(readConf), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
- result_status |= FLAG_ICLASS_READER_CONF;
- memcpy(card_data+8, resp, 8);
- } else {
- Dbprintf("Failed to dump config block");
- }
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
- }
+ }
- //Read block 5, AA
- if (flagReadAA) {
- if (sendCmdGetResponseWithRetries(readAA, sizeof(readAA), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
- result_status |= FLAG_ICLASS_READER_AA;
- memcpy(card_data + (8*5), resp, 8);
- } else {
- //Dbprintf("Failed to dump AA block");
- }
+ //Read block 2, e-purse
+ if (flagReadCC) {
+ if (sendCmdGetResponseWithRetries(readEpurse, sizeof(readEpurse), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
+ result_status |= FLAG_ICLASS_READER_CC;
+ memcpy(card_data + (8*2), resp, 8);
+ } else {
+ Dbprintf("Failed to read e-purse");
}
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
+ }
- // 0 : CSN
- // 1 : Configuration
- // 2 : e-purse
- // 3 : kd / debit / aa2 (write-only)
- // 4 : kc / credit / aa1 (write-only)
- // 5 : AIA, Application issuer area
- //Then we can 'ship' back the 6 * 8 bytes of data,
- // with 0xFF:s in block 3 and 4.
-
- LED_B_ON();
- //Send back to client, but don't bother if we already sent this -
- // only useful if looping in arm (not try_once && not abort_after_read)
- if (memcmp(last_csn, card_data, 8) != 0) {
- // If caller requires that we get Conf, CC, AA, continue until we got it
- if ( (result_status ^ FLAG_ICLASS_READER_CSN ^ flagReadConfig ^ flagReadCC ^ flagReadAA) == 0) {
- cmd_send(CMD_ACK, result_status, 0, 0, card_data, sizeof(card_data));
- if (abort_after_read) {
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LED_A_OFF();
- LED_B_OFF();
- return;
- }
- //Save that we already sent this....
- memcpy(last_csn, card_data, 8);
- }
-
+ //Read block 5, AA
+ if (flagReadAA) {
+ if (sendCmdGetResponseWithRetries(readAA, sizeof(readAA), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
+ result_status |= FLAG_ICLASS_READER_AA;
+ memcpy(card_data + (8*5), resp, 8);
+ } else {
+ Dbprintf("Failed to read AA block");
}
- LED_B_OFF();
- userCancelled = BUTTON_PRESS() || usb_poll_validate_length();
- }
- if (userCancelled) {
- cmd_send(CMD_ACK, 0xFF, 0, 0, card_data, 0);
- } else {
- cmd_send(CMD_ACK, 0, 0, 0, card_data, 0);
}
+
+ cmd_send(CMD_ACK, result_status, 0, 0, card_data, sizeof(card_data));
+
LED_A_OFF();
}
+
void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
+ LED_A_ON();
+
+ bool use_credit_key = false;
uint8_t card_data[USB_CMD_DATA_SIZE]={0};
uint16_t block_crc_LUT[255] = {0};
}
//Dbprintf("Lookup table: %02x %02x %02x" ,block_crc_LUT[0],block_crc_LUT[1],block_crc_LUT[2]);
+ uint8_t readcheck_cc[] = { ICLASS_CMD_READCHECK_KD, 0x02 };
+ if (use_credit_key)
+ readcheck_cc[0] = ICLASS_CMD_READCHECK_KC;
uint8_t check[] = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t read[] = { 0x0c, 0x00, 0x00, 0x00 };
StartCountSspClk();
uint32_t start_time = 0;
uint32_t eof_time = 0;
-
+
while (!BUTTON_PRESS()) {
WDT_HIT();
break;
}
- uint8_t read_status = handshakeIclassTag(card_data, &eof_time);
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
+ if (!selectIclassTag(card_data, &eof_time)) continue;
- if (read_status < 2) continue;
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
+ if (!sendCmdGetResponseWithRetries(readcheck_cc, sizeof(readcheck_cc), resp, sizeof(resp), 8, 3, start_time, &eof_time)) continue;
- //for now replay captured auth (as cc not updated)
+ // replay captured auth (cc must not have been updated)
memcpy(check+5, MAC, 4);
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
if (!sendCmdGetResponseWithRetries(check, sizeof(check), resp, sizeof(resp), 4, 5, start_time, &eof_time)) {
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
Dbprintf("Error: Authentication Fail!");
continue;
}
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
//first get configuration block (block 1)
crc = block_crc_LUT[1];
read[1] = 1;
read[2] = crc >> 8;
read[3] = crc & 0xff;
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
if (!sendCmdGetResponseWithRetries(read, sizeof(read), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
Dbprintf("Dump config (block 1) failed");
continue;
}
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
mem = resp[5];
memory.k16 = (mem & 0x80);
memory.book = (mem & 0x20);
read[2] = crc >> 8;
read[3] = crc & 0xff;
+ start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
if (sendCmdGetResponseWithRetries(read, sizeof(read), resp, sizeof(resp), 10, 10, start_time, &eof_time)) {
- start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
Dbprintf(" %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
block, resp[0], resp[1], resp[2],
resp[3], resp[4], resp[5],
0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LED_D_OFF();
LED_A_OFF();
}
-void iClass_Authentication(uint8_t *MAC) {
- uint8_t check[] = { ICLASS_CMD_CHECK_KD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- uint8_t resp[ICLASS_BUFFER_SIZE];
+
+void iClass_Check(uint8_t *MAC) {
+ uint8_t check[9] = {ICLASS_CMD_CHECK_KD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ uint8_t resp[4];
memcpy(check+5, MAC, 4);
- bool isOK;
uint32_t eof_time;
- isOK = sendCmdGetResponseWithRetries(check, sizeof(check), resp, sizeof(resp), 4, 6, 0, &eof_time);
- cmd_send(CMD_ACK,isOK, 0, 0, 0, 0);
+ bool isOK = sendCmdGetResponseWithRetries(check, sizeof(check), resp, sizeof(resp), 4, 6, 0, &eof_time);
+ cmd_send(CMD_ACK, isOK, 0, 0, resp, sizeof(resp));
+}
+
+
+void iClass_Readcheck(uint8_t block, bool use_credit_key) {
+ uint8_t readcheck[2] = {ICLASS_CMD_READCHECK_KD, block};
+ if (use_credit_key) {
+ readcheck[0] = ICLASS_CMD_READCHECK_KC;
+ }
+ uint8_t resp[8];
+ uint32_t eof_time;
+ bool isOK = sendCmdGetResponseWithRetries(readcheck, sizeof(readcheck), resp, sizeof(resp), 8, 6, 0, &eof_time);
+ cmd_send(CMD_ACK, isOK, 0, 0, resp, sizeof(resp));
}
+
static bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata) {
uint8_t readcmd[] = {ICLASS_CMD_READ_OR_IDENTIFY, blockNo, 0x00, 0x00}; //0x88, 0x00 // can i use 0C?
char bl = blockNo;
uint8_t resp[10];
bool isOK = false;
uint32_t eof_time;
-
- //readcmd[1] = blockNo;
+
isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd), resp, sizeof(resp), 10, 10, 0, &eof_time);
memcpy(readdata, resp, sizeof(resp));
return isOK;
}
+
void iClass_ReadBlk(uint8_t blockno) {
+
+ LED_A_ON();
+
uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK = false;
isOK = iClass_ReadBlock(blockno, readblockdata);
cmd_send(CMD_ACK, isOK, 0, 0, readblockdata, 8);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LED_D_OFF();
+
+ LED_A_OFF();
}
void iClass_Dump(uint8_t blockno, uint8_t numblks) {
+
+ LED_A_ON();
+
uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
bool isOK = false;
uint8_t blkCnt = 0;
}
//return pointer to dump memory in arg3
cmd_send(CMD_ACK, isOK, blkCnt, BigBuf_max_traceLen(), 0, 0);
+
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LEDsoff();
+ LED_D_OFF();
BigBuf_free();
+
+ LED_A_OFF();
}
+
static bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t *data) {
+
+ LED_A_ON();
+
uint8_t write[] = { ICLASS_CMD_UPDATE, blockNo, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
//uint8_t readblockdata[10];
//write[1] = blockNo;
uint8_t resp[10];
bool isOK = false;
uint32_t eof_time = 0;
-
+
isOK = sendCmdGetResponseWithRetries(write, sizeof(write), resp, sizeof(resp), 10, 10, 0, &eof_time);
uint32_t start_time = eof_time + DELAY_ICLASS_VICC_TO_VCD_READER;
if (isOK) { //if reader responded correctly
}
}
}
+
+ LED_A_OFF();
+
return isOK;
}
+
void iClass_WriteBlock(uint8_t blockNo, uint8_t *data) {
+
+ LED_A_ON();
+
bool isOK = iClass_WriteBlock_ext(blockNo, data);
if (isOK){
Dbprintf("Write block [%02x] successful", blockNo);
Dbprintf("Write block [%02x] failed", blockNo);
}
cmd_send(CMD_ACK, isOK, 0, 0, 0, 0);
+
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LED_D_OFF();
+
+ LED_A_OFF();
}
void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t *data) {
cmd_send(CMD_ACK, 1, 0, 0, 0, 0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LEDsoff();
+ LED_D_OFF();
+ LED_A_OFF();
}
#include "util_posix.h"
#include "cmdhf14a.h" // DropField()
-static int CmdHelp(const char *Cmd);
#define ICLASS_KEYS_MAX 8
static uint8_t iClass_Key_Table[ICLASS_KEYS_MAX][8] = {
{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }
};
+
typedef struct iclass_block {
- uint8_t d[8];
+ uint8_t d[8];
} iclass_block_t;
-int usage_hf_iclass_chk(void) {
- PrintAndLog("Checkkeys loads a dictionary text file with 8byte hex keys to test authenticating against a iClass tag");
+
+static void usage_hf_iclass_chk(void) {
+ PrintAndLog("Checkkeys loads a dictionary text file with 8byte hex keys to test authenticating against a iClass tag");
PrintAndLog("Usage: hf iclass chk [h|e|r] <f (*.dic)>");
PrintAndLog("Options:");
PrintAndLog("h Show this help");
PrintAndLog(" e target Elite / High security key scheme");
PrintAndLog(" r interpret dictionary file as raw (diversified keys)");
PrintAndLog("Samples:");
- PrintAndLog(" hf iclass chk f default_iclass_keys.dic");
- PrintAndLog(" hf iclass chk f default_iclass_keys.dic e");
- return 0;
+ PrintAndLog(" hf iclass chk f default_iclass_keys.dic");
+ PrintAndLog(" hf iclass chk f default_iclass_keys.dic e");
}
-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) {
+static int CmdHFiClassList(const char *Cmd) {
PrintAndLog("Deprecated command, use 'hf list iclass' instead");
return 0;
}
-int CmdHFiClassSnoop(const char *Cmd) {
+
+static int CmdHFiClassSnoop(const char *Cmd) {
UsbCommand c = {CMD_SNOOP_ICLASS};
SendCommand(&c);
return 0;
}
-int usage_hf_iclass_sim(void) {
+
+static void usage_hf_iclass_sim(void) {
PrintAndLog("Usage: hf iclass sim <option> [CSN]");
PrintAndLog(" options");
PrintAndLog(" 0 <CSN> simulate the given CSN");
PrintAndLog(" example: hf iclass sim 2");
PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
PrintAndLog(" hf iclass sim 3");
- return 0;
}
+
// the original malicious IDs from Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult,
// and Milosch Meriac. Dismantling iClass and iClass Elite.
#define NUM_CSNS 15
// #define NUM_CSNS 9
// static uint8_t csns[8 * NUM_CSNS] = {
- // 0x01, 0x0A, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x0C, 0x06, 0x0C, 0xFE, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x10, 0x97, 0x83, 0x7B, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x13, 0x97, 0x82, 0x7A, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x07, 0x0E, 0x0D, 0xF9, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x14, 0x96, 0x84, 0x76, 0xF7, 0xFF, 0x12, 0xE0,
- // 0x17, 0x96, 0x85, 0x71, 0xF7, 0xFF, 0x12, 0xE0,
- // 0xCE, 0xC5, 0x0F, 0x77, 0xF7, 0xFF, 0x12, 0xE0,
- // 0xD2, 0x5A, 0x82, 0xF8, 0xF7, 0xFF, 0x12, 0xE0
- // //0x04, 0x08, 0x9F, 0x78, 0x6E, 0xFF, 0x12, 0xE0
+ // 0x01, 0x0A, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x0C, 0x06, 0x0C, 0xFE, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x10, 0x97, 0x83, 0x7B, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x13, 0x97, 0x82, 0x7A, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x07, 0x0E, 0x0D, 0xF9, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x14, 0x96, 0x84, 0x76, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0x17, 0x96, 0x85, 0x71, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0xCE, 0xC5, 0x0F, 0x77, 0xF7, 0xFF, 0x12, 0xE0,
+ // 0xD2, 0x5A, 0x82, 0xF8, 0xF7, 0xFF, 0x12, 0xE0
+ // //0x04, 0x08, 0x9F, 0x78, 0x6E, 0xFF, 0x12, 0xE0
// };
-int CmdHFiClassSim(const char *Cmd) {
+static 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();
+ usage_hf_iclass_sim();
+ return 0;
}
simType = param_get8ex(Cmd, 0, 0, 10);
if (simType == ICLASS_SIM_MODE_CSN) {
if (param_gethex(Cmd, 1, CSN, 16)) {
PrintAndLog("A CSN should consist of 16 HEX symbols");
- return usage_hf_iclass_sim();
+ usage_hf_iclass_sim();
+ return 0;
}
PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
}
void* dump = malloc(datalen);
for(int i = 0; i < NUM_CSNS; i++) {
memcpy(dump + i*24, csns+i*8, 8); //CSN
- //copy CC from response
- memcpy(dump + i*24 + 8, resp.d.asBytes + i*16, 8);
+ //copy CC from response
+ memcpy(dump + i*24 + 8, resp.d.asBytes + i*16, 8);
//Then comes NR_MAC (eight bytes from the response)
memcpy(dump + i*24 + 16, resp.d.asBytes + i*16 + 8, 8);
}
} else {
PrintAndLog("Undefined simtype %d", simType);
- return usage_hf_iclass_sim();
+ usage_hf_iclass_sim();
+ 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_CC | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_AA |
- FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY } };
+ FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_AA} };
// loop in client not device - else on windows have a communication error
UsbCommand resp;
while(!ukbhit()){
PrintAndLog(" CSN: %s",sprint_hex(data,8));
tagFound = true;
}
- if( readStatus & FLAG_ICLASS_READER_CC) {
+ if( readStatus & FLAG_ICLASS_READER_CC) {
PrintAndLog(" CC: %s",sprint_hex(data+16,8));
}
if( readStatus & FLAG_ICLASS_READER_CONF) {
for (int i = 0; i<8; i++) {
if (data[8*5+i] != 0xFF) {
legacy = false;
- }
+ }
}
PrintAndLog(" : Possible iClass %s",(legacy) ? "(legacy tag)" : "(NOT legacy tag)");
}
return 0;
}
-int CmdHFiClassReader(const char *Cmd) {
+
+static int CmdHFiClassReader(const char *Cmd) {
return HFiClassReader(Cmd, true, true);
}
-int CmdHFiClassReader_Replay(const char *Cmd) {
+
+static int CmdHFiClassReader_Replay(const char *Cmd) {
uint8_t readerType = 0;
uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
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 hf_iclass_eload_usage(void) {
+static void usage_hf_iclass_eload(void) {
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 CmdHFiClassELoad(const char *Cmd) {
+
+static int CmdHFiClassELoad(const char *Cmd) {
char opt = param_getchar(Cmd, 0);
- if (strlen(Cmd)<1 || opt == 'h')
- return hf_iclass_eload_usage();
+ if (strlen(Cmd)<1 || opt == 'h') {
+ usage_hf_iclass_eload();
+ return 0;
+ }
//File handling and reading
FILE *f;
if (opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) {
f = fopen(filename, "rb");
} else {
- return hf_iclass_eload_usage();
+ usage_hf_iclass_eload();
+ return 0;
}
if (!f) {
printIclassDumpInfo(dump);
//Validate
- if (bytes_read < fsize) {
+ if (bytes_read < fsize) {
prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
free(dump);
return 1;
return 0;
}
+
static int readKeyfile(const char *filename, size_t len, uint8_t* buffer) {
FILE *f = fopen(filename, "rb");
if(!f) {
return 0;
}
-int usage_hf_iclass_decrypt(void) {
+
+static void 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("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 CmdHFiClassDecrypt(const char *Cmd) {
+
+static int CmdHFiClassDecrypt(const char *Cmd) {
uint8_t key[16] = { 0 };
if(readKeyfile("iclass_decryptionkey.bin", 16, key))
{
}
PrintAndLog("Decryption file found... ");
char opt = param_getchar(Cmd, 0);
- if (strlen(Cmd)<1 || opt == 'h')
- return usage_hf_iclass_decrypt();
+ if (strlen(Cmd)<1 || opt == 'h') {
+ usage_hf_iclass_decrypt();
+ return 0;
+ }
//Open the tagdump-file
FILE *f;
return 1;
}
} else {
- return usage_hf_iclass_decrypt();
+ usage_hf_iclass_decrypt();
+ return 0;
}
fseek(f, 0, SEEK_END);
return 0;
}
-int usage_hf_iclass_encrypt(void) {
+
+static void 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");
PrintAndLog("");
PrintAndLog("example: hf iclass encrypt 0102030405060708");
PrintAndLog("");
- return 0;
}
+
static int iClassEncryptBlkData(uint8_t *blkData) {
uint8_t key[16] = { 0 };
if(readKeyfile("iclass_decryptionkey.bin", 16, key))
uint8_t *encrypted = encryptedData;
mbedtls_des3_context ctx = { {0} };
mbedtls_des3_set2key_enc( &ctx, key);
-
+
mbedtls_des3_crypt_ecb(&ctx, blkData,encrypted);
//printvar("decrypted block", decrypted, 8);
memcpy(blkData,encrypted,8);
return 1;
}
-int CmdHFiClassEncryptBlk(const char *Cmd) {
+
+static int CmdHFiClassEncryptBlk(const char *Cmd) {
uint8_t blkData[8] = {0};
char opt = param_getchar(Cmd, 0);
- if (strlen(Cmd)<1 || opt == 'h')
- return usage_hf_iclass_encrypt();
-
+ if (strlen(Cmd)<1 || opt == 'h') {
+ usage_hf_iclass_encrypt();
+ return 0;
+ }
//get the bytes to encrypt
- if (param_gethex(Cmd, 0, blkData, 16))
- {
+ if (param_gethex(Cmd, 0, blkData, 16)) {
PrintAndLog("BlockData must include 16 HEX symbols");
return 0;
}
if (!iClassEncryptBlkData(blkData)) return 0;
-
printvar("encrypted block", blkData, 8);
return 1;
}
-void Calc_wb_mac(uint8_t blockno, uint8_t *data, uint8_t *div_key, uint8_t MAC[4]) {
+
+static 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, bool verbose) {
UsbCommand resp;
UsbCommand c = {CMD_READER_ICLASS, {0}};
- 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;
clearCommandBuffer();
SendCommand(&c);
- if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
- {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
return false;
}
uint8_t isOK = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
- memcpy(CSN,data,8);
- if (CCNR!=NULL)memcpy(CCNR,data+16,8);
- if(isOK > 0)
- {
- if (verbose) PrintAndLog("CSN: %s",sprint_hex(CSN,8));
- }
- if(isOK <= 1){
- PrintAndLog("Failed to obtain CC! Aborting");
+ memcpy(CSN, data, 8);
+
+ if (isOK > 0) {
+ if (verbose) PrintAndLog("CSN: %s", sprint_hex(CSN, 8));
+ } else {
+ PrintAndLog("Failed to select card! Aborting");
return false;
}
- return true;
+ return true;
}
+
+static 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};
+ 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;
+
+ //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);
+ }
+}
+
+
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 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};
- if (!select_only(CSN, CCNR, use_credit_key, verbose))
+ if (!select_only(CSN, verbose))
return false;
//get div_key
- if(rawkey)
+ if (rawkey)
memcpy(div_key, KEY, 8);
else
HFiClassCalcDivKey(CSN, KEY, div_key, elite);
- if (verbose) 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);
+ if (verbose) PrintAndLog("Authenticating with %s: %s", rawkey ? "raw key" : "diversified key", sprint_hex(div_key, 8));
+
UsbCommand resp;
- UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
+ UsbCommand d = {CMD_ICLASS_READCHECK, {2, use_credit_key, 0}};
+
+ clearCommandBuffer();
+ SendCommand(&d);
+
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ if (verbose) PrintAndLog("Auth Command (READCHECK[2]) execute timeout");
+ return false;
+ }
+ bool isOK = resp.arg[0];
+ if (!isOK) {
+ if (verbose) PrintAndLog("Couldn't get Card Challenge");
+ return false;
+ }
+ memcpy(CCNR, resp.d.asBytes, 8);
+
+ doMAC(CCNR, div_key, MAC);
+
+ d.cmd = CMD_ICLASS_CHECK;
memcpy(d.d.asBytes, MAC, 4);
clearCommandBuffer();
SendCommand(&d);
- if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
- {
- if (verbose) PrintAndLog("Auth Command execute timeout");
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ if (verbose) PrintAndLog("Auth Command (CHECK) execute timeout");
return false;
}
- uint8_t isOK = resp.arg[0] & 0xff;
+ isOK = resp.arg[0];
if (!isOK) {
if (verbose) PrintAndLog("Authentication error");
return false;
return true;
}
-int usage_hf_iclass_dump(void) {
+
+static void 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(" 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("Samples:");
PrintAndLog(" hf iclass dump k 001122334455667B");
PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA c 001122334455667B");
PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA e");
- return 0;
}
-int CmdHFiClassReader_Dump(const char *Cmd) {
+
+static 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)
+ maxmemcount = 255;
+ else
+ 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;
+
+ // remember endblock need to relate to zero-index arrays.
+ if (endblock > filemaxblock-1)
+ endblock = filemaxblock;
+
+ int i = startblock;
+ printf("------+--+-------------------------+\n");
+ while (i <= endblock) {
+ uint8_t *blk = iclass_dump + (i * 8);
+ printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) );
+ i++;
+ }
+ printf("------+--+-------------------------+\n");
+}
+
+
+static 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};
{
case 'h':
case 'H':
- return usage_hf_iclass_dump();
+ usage_hf_iclass_dump();
+ return 0;
case 'c':
case 'C':
have_credit_key = true;
break;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
case 'K':
have_debit_key = true;
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
- if (dataLen == 16) {
+ if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
errors = true;
break;
}
- if(errors) return usage_hf_iclass_dump();
+ if (errors) {
+ usage_hf_iclass_dump();
+ return 0;
+ }
}
- if (cmdp < 2) return usage_hf_iclass_dump();
+ if (cmdp < 2) {
+ usage_hf_iclass_dump();
+ return 0;
+ }
// 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 c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF}};
UsbCommand resp;
uint8_t tag_data[255*8];
return 0;
}
}
-
+
// begin dump
UsbCommand w = {CMD_ICLASS_DUMP, {blockno, numblks-blockno+1}};
clearCommandBuffer();
PrintAndLog("Read Block Failed 2");
DropField();
return 0;
- }
+ }
startindex = resp.arg[2];
if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
// get dumped data from bigbuf
GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex, NULL, -1, false);
- gotBytes += blocksRead*8;
+ gotBytes += blocksRead*8;
} else { //field is still on - turn it off...
DropField();
}
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]);
+ tag_data[0],tag_data[1],tag_data[2],tag_data[3],
+ tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
}
// save the dump to .bin file
return 1;
}
+
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 div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
UsbCommand w = {CMD_ICLASS_WRITEBLOCK, {blockno}};
memcpy(w.d.asBytes, bldata, 8);
memcpy(w.d.asBytes + 8, MAC, 4);
-
+
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
return 1;
}
-int usage_hf_iclass_writeblock(void) {
+
+static void 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(" 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(" 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");
PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0");
- return 0;
}
-int CmdHFiClass_WriteBlock(const char *Cmd) {
+
+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};
{
case 'h':
case 'H':
- return usage_hf_iclass_writeblock();
+ usage_hf_iclass_writeblock();
+ return 0;
case 'b':
case 'B':
if (param_gethex(Cmd, cmdp+1, &blockno, 2)) {
case 'k':
case 'K':
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
- if (dataLen == 16) {
+ if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
errors = true;
break;
}
- if(errors) return usage_hf_iclass_writeblock();
+ if(errors) {
+ usage_hf_iclass_writeblock();
+ return 0;
+ }
}
- if (cmdp < 6) return usage_hf_iclass_writeblock();
+ if (cmdp < 6) {
+ usage_hf_iclass_writeblock();
+ return 0;
+ }
int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true);
DropField();
return ans;
}
-int usage_hf_iclass_clone(void) {
+
+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("Options:");
PrintAndLog(" f <filename>: specify a filename to clone from");
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");
- return -1;
}
-int CmdHFiClassCloneTag(const char *Cmd) {
+
+static int CmdHFiClassCloneTag(const char *Cmd) {
char filename[FILE_PATH_SIZE] = {0};
char tempStr[50]={0};
uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
{
case 'h':
case 'H':
- return usage_hf_iclass_clone();
+ usage_hf_iclass_clone();
+ return 0;
case 'b':
case 'B':
if (param_gethex(Cmd, cmdp+1, &startblock, 2)) {
break;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
case 'k':
case 'K':
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
- if (dataLen == 16) {
+ if (dataLen == 16) {
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
errors = true;
break;
}
- if(errors) return usage_hf_iclass_clone();
+ if (errors) {
+ usage_hf_iclass_clone();
+ return 0;
+ }
}
- if (cmdp < 8) return usage_hf_iclass_clone();
+ if (cmdp < 8) {
+ usage_hf_iclass_clone();
+ return 0;
+ }
FILE *f;
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);
+ 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);
}
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]);
+ 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]);
}
UsbCommand resp;
SendCommand(&w);
return 1;
}
+
static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose, bool auth) {
+
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, rawkey, verbose))
return 0;
} else {
- 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};
- if (!select_only(CSN, CCNR, (keyType==0x18), verbose))
+ uint8_t CSN[8];
+ if (!select_only(CSN, verbose))
return 0;
}
UsbCommand w = {CMD_ICLASS_READBLOCK, {blockno}};
clearCommandBuffer();
SendCommand(&w);
- if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
- {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
return 0;
}
return 1;
}
-int usage_hf_iclass_readblock(void) {
- PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> c e|r\n");
+
+static void 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(" 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(" 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");
PrintAndLog(" hf iclass readblk b 0A k 0");
- return 0;
}
-int CmdHFiClass_ReadBlock(const char *Cmd) {
+
+static 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};
bool errors = false;
bool auth = false;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
- case 'h':
- case 'H':
- return usage_hf_iclass_readblock();
- case 'b':
- case 'B':
- if (param_gethex(Cmd, cmdp+1, &blockno, 2)) {
- PrintAndLog("Block No must include 2 HEX symbols\n");
- errors = true;
- }
- cmdp += 2;
- break;
- case 'c':
- case 'C':
- keyType = 0x18;
- cmdp++;
- break;
- case 'e':
- case 'E':
- elite = true;
- cmdp++;
- break;
- case 'k':
- case 'K':
- auth = true;
- dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(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) {
- memcpy(KEY, iClass_Key_Table[keyNbr], 8);
+ while (param_getchar(Cmd, cmdp) != 0x00) {
+ switch (param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ usage_hf_iclass_readblock();
+ return 0;
+ case 'b':
+ case 'B':
+ if (param_gethex(Cmd, cmdp+1, &blockno, 2)) {
+ PrintAndLog("Block No must include 2 HEX symbols\n");
+ errors = true;
+ }
+ cmdp += 2;
+ break;
+ case 'c':
+ case 'C':
+ keyType = 0x18;
+ cmdp++;
+ break;
+ case 'e':
+ case 'E':
+ elite = true;
+ cmdp++;
+ break;
+ case 'k':
+ case 'K':
+ auth = true;
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(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) {
+ memcpy(KEY, iClass_Key_Table[keyNbr], 8);
+ } else {
+ PrintAndLog("\nERROR: KeyNbr is invalid\n");
+ errors = true;
+ }
} else {
- PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ PrintAndLog("\nERROR: Key is incorrect length\n");
errors = true;
}
- } else {
- PrintAndLog("\nERROR: Credit Key is incorrect length\n");
+ cmdp += 2;
+ break;
+ case 'r':
+ case 'R':
+ rawkey = true;
+ cmdp++;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
- }
- cmdp += 2;
- break;
- case 'r':
- case 'R':
- rawkey = true;
- cmdp++;
- break;
- default:
- PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
- errors = true;
- break;
+ break;
+ }
+ if (errors) {
+ usage_hf_iclass_readblock();
+ return 0;
}
- if(errors) return usage_hf_iclass_readblock();
}
- if (cmdp < 2) return usage_hf_iclass_readblock();
+ if (cmdp < 2) {
+ usage_hf_iclass_readblock();
+ return 0;
+ }
if (!auth)
PrintAndLog("warning: no authentication used with read, only a few specific blocks can be read accurately without authentication.");
+
return ReadBlock(KEY, blockno, keyType, elite, rawkey, true, auth);
}
-int CmdHFiClass_loclass(const char *Cmd) {
+
+static int CmdHFiClass_loclass(const char *Cmd) {
char opt = param_getchar(Cmd, 0);
if (strlen(Cmd)<1 || opt == 'h') {
return 0;
}
-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)
- maxmemcount = 255;
- else
- 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;
-
- // remember endblock need to relate to zero-index arrays.
- if (endblock > filemaxblock-1)
- endblock = filemaxblock;
-
- int i = startblock;
- printf("------+--+-------------------------+\n");
- while (i <= endblock) {
- uint8_t *blk = iclass_dump + (i * 8);
- printf("Block |%02X| %s|\n", i, sprint_hex(blk, 8) );
- i++;
- }
- printf("------+--+-------------------------+\n");
-}
-
-int usage_hf_iclass_readtagfile() {
+static void usage_hf_iclass_readtagfile() {
PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]");
- return 1;
}
-int CmdHFiClassReadTagFile(const char *Cmd) {
+
+static int CmdHFiClassReadTagFile(const char *Cmd) {
int startblock = 0;
int endblock = 0;
char tempnum[5];
FILE *f;
char filename[FILE_PATH_SIZE];
- if (param_getstr(Cmd, 0, filename, sizeof(filename)) < 1)
- return usage_hf_iclass_readtagfile();
+ if (param_getstr(Cmd, 0, filename, sizeof(filename)) < 1) {
+ usage_hf_iclass_readtagfile();
+ return 0;
+ }
if (param_getstr(Cmd, 1, tempnum, sizeof(tempnum)) < 1)
startblock = 0;
else
return uint_key;
}
*/
-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};
- 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;
- //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);
- }
-}
//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)
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));
+ printf("Xor Div Key : %s\n",sprint_hex(xor_div_key,8));
}
}
-int usage_hf_iclass_calc_newkey(void) {
+
+static void 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(" 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");
-
- return 1;
}
-int CmdHFiClassCalcNewKey(const char *Cmd) {
+
+static 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};
{
case 'h':
case 'H':
- return usage_hf_iclass_calc_newkey();
+ usage_hf_iclass_calc_newkey();
+ return 0;
case 'e':
case 'E':
dataLen = param_getstr(Cmd, cmdp, tempStr, sizeof(tempStr));
case 'n':
case 'N':
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
- if (dataLen == 16) {
+ if (dataLen == 16) {
errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
case 'o':
case 'O':
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
- if (dataLen == 16) {
+ if (dataLen == 16) {
errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
case 's':
case 'S':
givenCSN = true;
- if (param_gethex(Cmd, cmdp+1, CSN, 16))
- return usage_hf_iclass_calc_newkey();
+ if (param_gethex(Cmd, cmdp+1, CSN, 16)) {
+ usage_hf_iclass_calc_newkey();
+ return 0;
+ }
cmdp += 2;
break;
default:
errors = true;
break;
}
- if(errors) return usage_hf_iclass_calc_newkey();
+ if (errors) {
+ usage_hf_iclass_calc_newkey();
+ return 0;
+ }
}
- if (cmdp < 4) return usage_hf_iclass_calc_newkey();
+ if (cmdp < 4) {
+ usage_hf_iclass_calc_newkey();
+ return 0;
+ }
if (!givenCSN)
- if (!select_only(CSN, CCNR, false, true))
+ if (!select_only(CSN, true))
return 0;
-
+
HFiClassCalcNewKey(CSN, OLDKEY, NEWKEY, xor_div_key, elite, oldElite, true);
return 0;
}
+
static int loadKeys(char *filename) {
FILE *f;
f = fopen(filename,"rb");
return 1;
}
+
static int saveKeys(char *filename) {
FILE *f;
f = fopen(filename,"wb");
return 0;
}
+
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));
}
- PrintAndLog("");
+ PrintAndLog("");
return 0;
}
-int usage_hf_iclass_managekeys(void) {
+
+static void 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:");
PrintAndLog(" save key file: hf iclass managekeys f mykeys.bin s");
PrintAndLog(" load key file: hf iclass managekeys f mykeys.bin l");
PrintAndLog(" print keys : hf iclass managekeys p\n");
- return 0;
}
-int CmdHFiClassManageKeys(const char *Cmd) {
+
+static int CmdHFiClassManageKeys(const char *Cmd) {
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
uint8_t KEY[8] = {0};
{
case 'h':
case 'H':
- return usage_hf_iclass_managekeys();
+ usage_hf_iclass_managekeys();
+ return 0;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
break;
case 'k':
case 'K':
- operation += 3; //set key
+ operation += 3; //set key
dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) { //ul-c or ev1/ntag key length
errors = param_gethex(tempStr, 0, KEY, dataLen);
errors = true;
break;
}
- if(errors) return usage_hf_iclass_managekeys();
+ if (errors) {
+ usage_hf_iclass_managekeys();
+ return 0;
+ }
}
if (operation == 0){
PrintAndLog("no operation specified (load, save, or print)\n");
- return usage_hf_iclass_managekeys();
+ usage_hf_iclass_managekeys();
+ return 0;
}
if (operation > 6){
PrintAndLog("Too many operations specified\n");
- return usage_hf_iclass_managekeys();
+ usage_hf_iclass_managekeys();
+ return 0;
}
if (operation > 4 && fileNameLen == 0){
PrintAndLog("You must enter a filename when loading or saving\n");
- return usage_hf_iclass_managekeys();
+ usage_hf_iclass_managekeys();
+ return 0;
}
switch (operation){
return 0;
}
-int CmdHFiClassCheckKeys(const char *Cmd) {
+
+static int CmdHFiClassCheckKeys(const char *Cmd) {
uint8_t mac[4] = {0x00,0x00,0x00,0x00};
uint8_t key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
// elite key, raw key, standard key
bool use_elite = false;
- bool use_raw = false;
+ bool use_raw = false;
bool found_debit = false;
- bool found_credit = false;
+ bool found_credit = false;
bool errors = false;
uint8_t cmdp = 0x00;
FILE * f;
switch (param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
- return usage_hf_iclass_chk();
+ usage_hf_iclass_chk();
+ return 0;
case 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
break;
}
}
- if (errors) return usage_hf_iclass_chk();
-
+ if (errors) {
+ usage_hf_iclass_chk();
+ return 0;
+ }
+
if ( !(f = fopen( filename , "r")) ) {
PrintAndLog("File: %s: not found or locked.", filename);
return 1;
while( fgets(buf, sizeof(buf), f) ){
if (strlen(buf) < 16 || buf[15] == '\n')
continue;
-
+
while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
-
- if( buf[0]=='#' ) continue; //The line start with # is comment, skip
+
+ if( buf[0]=='#' ) continue; //The line start with # is comment, skip
if (!isxdigit(buf[0])){
PrintAndLog("File content error. '%s' must include 16 HEX symbols",buf);
continue;
}
-
+
buf[16] = 0;
p = realloc(keyBlock, 8 * (keyitems += 64));
}
fclose(f);
PrintAndLog("Loaded %2d keys from %s", keycnt, filename);
-
+
// time
uint64_t t1 = msclock();
-
+
for (uint32_t c = 0; c < keycnt; c += 1) {
- printf("."); fflush(stdout);
+ printf("."); fflush(stdout);
if (ukbhit()) {
int gc = getchar(); (void)gc;
printf("\naborted via keyboard!\n");
break;
}
-
- memcpy(key, keyBlock + 8 * c , 8);
+
+ memcpy(key, keyBlock + 8 * c , 8);
// debit key. try twice
for (int foo = 0; foo < 2 && !found_debit; foo++) {
PrintAndLog(" Found AA1 debit key\t\t[%s]", sprint_hex(key, 8));
found_debit = true;
}
-
+
// credit key. try twice
for (int foo = 0; foo < 2 && !found_credit; foo++) {
if (!select_and_auth(key, mac, div_key, true, use_elite, use_raw, false))
continue;
-
+
// key found
PrintAndLog("\n--------------------------------------------------------");
PrintAndLog(" Found AA2 credit key\t\t[%s]", sprint_hex(key, 8));
found_credit = true;
}
-
+
// both keys found.
if ( found_debit && found_credit )
break;
t1 = msclock() - t1;
PrintAndLog("\nTime in iclass checkkeys: %.0f seconds\n", (float)t1/1000.0);
-
+
DropField();
free(keyBlock);
PrintAndLog("");
return 0;
}
-static command_t CommandTable[] =
-{
- {"help", CmdHelp, 1, "This help"},
- {"calcnewkey", CmdHFiClassCalcNewKey, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"},
- {"chk", CmdHFiClassCheckKeys, 0, " Check 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, " Look for iClass tags until a key or the pm3 button is pressed"},
- {"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"},
+
+static void usage_hf_iclass_permutekey(void) {
+ PrintAndLogEx(NORMAL, "Convert keys from standard NIST to iClass format (and vice versa)");
+ PrintAndLogEx(NORMAL, "");
+ PrintAndLogEx(NORMAL, "Usage: hf iclass permute [h] [r] <key>");
+ PrintAndLogEx(NORMAL, "Options:");
+ PrintAndLogEx(NORMAL, " h This help");
+ PrintAndLogEx(NORMAL, " r reverse convert key from iClass to NIST format");
+ PrintAndLogEx(NORMAL, "");
+ PrintAndLogEx(NORMAL, "Examples:");
+ PrintAndLogEx(NORMAL, " hf iclass permute r 0123456789abcdef");
+}
+
+
+static int CmdHFiClassPermuteKey(const char *Cmd) {
+
+ uint8_t key[8] = {0};
+ uint8_t data[16] = {0};
+ bool isReverse = false;
+ int len = sizeof(data);
+ char cmdp = tolower(param_getchar(Cmd, 0));
+ if (strlen(Cmd) == 0 || cmdp == 'h') {
+ usage_hf_iclass_permutekey();
+ return 0;
+ }
+
+ if (cmdp == 'r') {
+ isReverse = true;
+ param_gethex_ex(Cmd, 1, data, &len);
+ } else if (cmdp == 'f') {
+ param_gethex_ex(Cmd, 1, data, &len);
+ } else {
+ param_gethex_ex(Cmd, 0, data, &len);
+ }
+
+
+ if (len % 2) {
+ usage_hf_iclass_permutekey();
+ return 0;
+ }
+
+ len >>= 1;
+
+ memcpy(key, data, 8);
+
+ if (isReverse) {
+ // generate_rev(data, len);
+ uint8_t key_std_format[8] = {0};
+ permutekey_rev(key, key_std_format);
+ PrintAndLogEx(SUCCESS, "key in standard NIST format: %s \n", sprint_hex(key_std_format, 8));
+ // if (mbedtls_des_key_check_key_parity(key_std_format
+ } else {
+ // generate(data, len);
+ uint8_t key_iclass_format[8] = {0};
+ permutekey(key, key_iclass_format);
+ PrintAndLogEx(SUCCESS, "key in iClass (permuted) format: %s \n", sprint_hex(key_iclass_format, 8));
+ }
+ return 0;
+}
+
+
+static int CmdHelp(const char *Cmd);
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"calcnewkey", CmdHFiClassCalcNewKey, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"},
+ {"chk", CmdHFiClassCheckKeys, 0, " Check 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"},
+ {"permutekey", CmdHFiClassPermuteKey, 1, " iClass key permutation"},
+ {"readblk", CmdHFiClass_ReadBlock, 0, "[options..] Authenticate and Read iClass block"},
+ {"reader", CmdHFiClassReader, 0, " Look for iClass tags until a key or the pm3 button is pressed"},
+ {"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}
};
-int CmdHFiClass(const char *Cmd)
-{
- clearCommandBuffer();
+
+int CmdHFiClass(const char *Cmd) {
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
-int CmdHelp(const char *Cmd)
-{
+
+int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}
projects / proxmark3-svn / commitdiff