#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
+#include <ctype.h>
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
-#include "data.h"
-#include "proxmark3.h"
+#include "comms.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhficlass.h"
#include "common.h"
#include "util.h"
#include "cmdmain.h"
-#include "loclass/des.h"
+#include "mbedtls/des.h"
#include "loclass/cipherutils.h"
#include "loclass/cipher.h"
#include "loclass/ikeys.h"
#include "protocols.h"
#include "usb_cmd.h"
#include "cmdhfmfu.h"
+#include "util_posix.h"
+#include "cmdhf14a.h" // DropField()
-#define llX PRIx64
-
-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 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;
+
+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("f <filename> Dictionary file with default iclass keys");
+ 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");
}
-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
-int CmdHFiClassSim(const char *Cmd) {
+static uint8_t csns[8 * NUM_CSNS] = {
+ 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
+ 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
+
+
+// pre-defined 9 CSNs by iceman.
+// only one csn depend on several others.
+// six depends only on the first csn, (0,1, 0x45)
+
+// #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
+// };
+
+
+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();
+ if (strlen(Cmd) < 1) {
+ usage_hf_iclass_sim();
+ return 0;
}
simType = param_get8ex(Cmd, 0, 0, 10);
- if(simType == 0)
- {
+ 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));
}
- if(simType > 3)
- {
- PrintAndLog("Undefined simptype %d", simType);
- return usage_hf_iclass_sim();
- }
- uint8_t numberOfCSNs=0;
- if(simType == 2)
- {
- UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
+ if (simType == ICLASS_SIM_MODE_READER_ATTACK) {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType, NUM_CSNS}};
UsbCommand resp = {0};
- uint8_t csns[8*NUM_CSNS] = {
- 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
- 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
-
- memcpy(c.d.asBytes, csns, 8*NUM_CSNS);
+ memcpy(c.d.asBytes, csns, 8 * NUM_CSNS);
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
}
uint8_t num_mac_responses = resp.arg[1];
- PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
+ PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses, NUM_CSNS);
- size_t datalen = NUM_CSNS*24;
+ size_t datalen = NUM_CSNS * 24;
/*
* Now, time to dump to file. We'll use this format:
* <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
* 8 * 24 bytes.
*
* The returndata from the pm3 is on the following format
- * <4 byte NR><4 byte MAC>
- * CC are all zeroes, CSN is the same as was sent in
+ * <8 byte CC><4 byte NR><4 byte MAC>
+ * CSN is the same as was sent in
**/
void* dump = malloc(datalen);
- memset(dump,0,datalen);//<-- Need zeroes for the CC-field
- uint8_t i = 0;
- for(i = 0 ; i < NUM_CSNS ; i++)
- {
- memcpy(dump+i*24, csns+i*8,8); //CSN
- //8 zero bytes here...
+ 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);
//Then comes NR_MAC (eight bytes from the response)
- memcpy(dump+i*24+16,resp.d.asBytes+i*8,8);
-
+ memcpy(dump + i*24 + 16, resp.d.asBytes + i*16 + 8, 8);
}
/** Now, save to dumpfile **/
saveFile("iclass_mac_attack", "bin", dump,datalen);
free(dump);
- }else
- {
- UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
+
+ } else if (simType == ICLASS_SIM_MODE_CSN || simType == ICLASS_SIM_MODE_CSN_DEFAULT || simType == ICLASS_SIM_MODE_FULL) {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType, 0}};
memcpy(c.d.asBytes, CSN, 8);
SendCommand(&c);
+
+ } else {
+ PrintAndLog("Undefined simtype %d", simType);
+ 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_CONF|FLAG_ICLASS_READER_AA}};
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN |
+ FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_AA} };
// loop in client not device - else on windows have a communication error
- c.arg[0] |= FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY;
UsbCommand resp;
while(!ukbhit()){
SendCommand(&c);
uint8_t readStatus = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
- if (verbose)
- PrintAndLog("Readstatus:%02x", readStatus);
- if( readStatus == 0){
- //Aborted
+ // no tag found or button pressed
+ if( (readStatus == 0 && !loop) || readStatus == 0xFF) {
+ // abort
if (verbose) PrintAndLog("Quitting...");
return 0;
}
- if( readStatus & FLAG_ICLASS_READER_CSN){
- PrintAndLog("CSN: %s",sprint_hex(data,8));
+
+ if( readStatus & FLAG_ICLASS_READER_CSN) {
+ PrintAndLog(" CSN: %s",sprint_hex(data,8));
tagFound = true;
}
- if( readStatus & FLAG_ICLASS_READER_CC) PrintAndLog("CC: %s",sprint_hex(data+16,8));
- if( readStatus & FLAG_ICLASS_READER_CONF){
+ if( readStatus & FLAG_ICLASS_READER_CC) {
+ PrintAndLog(" CC: %s",sprint_hex(data+16,8));
+ }
+ if( readStatus & FLAG_ICLASS_READER_CONF) {
printIclassDumpInfo(data);
}
+ if (readStatus & FLAG_ICLASS_READER_AA) {
+ bool legacy = true;
+ PrintAndLog(" AppIA: %s",sprint_hex(data+8*5,8));
+ 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)");
+ }
+
if (tagFound && !loop) return 1;
} else {
if (verbose) PrintAndLog("Command execute timeout");
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;
char filename[FILE_PATH_SIZE];
- if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
- {
+ if (opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) {
f = fopen(filename, "rb");
- }else{
- return hf_iclass_eload_usage();
+ } else {
+ usage_hf_iclass_eload();
+ return 0;
}
- if(!f) {
+ if (!f) {
PrintAndLog("Failed to read from file '%s'", filename);
return 1;
}
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);
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;
uint32_t bytes_sent = 0;
uint32_t bytes_remaining = bytes_read;
- while(bytes_remaining > 0){
+ while (bytes_remaining > 0) {
uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
UsbCommand c = {CMD_ICLASS_EML_MEMSET, {bytes_sent,bytes_in_packet,0}};
- memcpy(c.d.asBytes, dump, bytes_in_packet);
+ memcpy(c.d.asBytes, dump+bytes_sent, bytes_in_packet);
SendCommand(&c);
bytes_remaining -= bytes_in_packet;
bytes_sent += bytes_in_packet;
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;
char filename[FILE_PATH_SIZE];
- if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
- {
+ if(opt == 'f' && param_getstr(Cmd, 1, filename, sizeof(filename)) > 0) {
f = fopen(filename, "rb");
- }else{
- return usage_hf_iclass_decrypt();
+ if ( f == NULL ) {
+ PrintAndLog("Could not find file %s", filename);
+ return 1;
+ }
+ } else {
+ usage_hf_iclass_decrypt();
+ return 0;
}
fseek(f, 0, SEEK_END);
fseek(f, 0, SEEK_SET);
uint8_t enc_dump[8] = {0};
uint8_t *decrypted = malloc(fsize);
- des3_context ctx = { DES_DECRYPT ,{ 0 } };
- des3_set2key_dec( &ctx, key);
+ mbedtls_des3_context ctx = { {0} };
+ mbedtls_des3_set2key_dec( &ctx, key);
size_t bytes_read = fread(enc_dump, 1, 8, f);
//Use the first block (CSN) for filename
{
memcpy(decrypted+(blocknum*8), enc_dump, 8);
}else{
- des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
+ mbedtls_des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
}
printvar("decrypted block", decrypted +(blocknum*8), 8);
bytes_read = fread(enc_dump, 1, 8, f);
fclose(f);
saveFile(outfilename,"bin", decrypted, blocknum*8);
-
+ free(decrypted);
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 encryptedData[16];
uint8_t *encrypted = encryptedData;
- des3_context ctx = { DES_DECRYPT ,{ 0 } };
- des3_set2key_enc( &ctx, key);
-
- des3_crypt_ecb(&ctx, blkData,encrypted);
+ 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 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};
- if (!select_only(CSN, CCNR, use_credit_key, 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};
+
+ if (!select_only(CSN, verbose))
return false;
//get div_key
- HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+ if (rawkey)
+ memcpy(div_key, KEY, 8);
+ else
+ HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+
+ if (verbose) PrintAndLog("Authenticating with %s: %s", rawkey ? "raw key" : "diversified key", sprint_hex(div_key, 8));
- doMAC(CCNR, div_key, MAC);
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))
- {
- 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) {
- PrintAndLog("Authentication error");
+ if (verbose) PrintAndLog("Authentication error");
return false;
}
return true;
}
-int usage_hf_iclass_dump(void) {
- PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e\n");
+
+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(" 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("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};
bool have_credit_key = false;
bool use_credit_key = false;
bool elite = false;
+ bool rawkey = false;
bool errors = false;
uint8_t cmdp = 0;
{
case 'h':
case 'H':
- return usage_hf_iclass_dump();
+ usage_hf_iclass_dump();
+ return 0;
case 'c':
case 'C':
have_credit_key = true;
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(tempStr));
if (dataLen == 16) {
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 'f':
case 'F':
- fileNameLen = param_getstr(Cmd, cmdp+1, 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':
have_debit_key = true;
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
- if (dataLen == 16) {
+ 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) {
+ 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;
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];
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
- ul_switch_off_field();
+ DropField();
return 0;
}
uint8_t readStatus = resp.arg[0] & 0xff;
if(readStatus == 0){
PrintAndLog("No tag found...");
- ul_switch_off_field();
+ DropField();
return 0;
}
if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
// large memory - not able to dump pages currently
if (numblks > maxBlk) numblks = maxBlk;
}
- ul_switch_off_field();
+ DropField();
// 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, false)){
+ 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, use_credit_key, elite, false)){
- ul_switch_off_field();
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
+ DropField();
return 0;
}
}
-
+
// 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();
+ DropField();
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();
+ DropField();
return 0;
}
uint32_t startindex = resp.arg[2];
blocksRead = (sizeof(tag_data)/8) - blockno;
}
// response ok - now get bigbuf content of the dump
- GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex);
- WaitForResponse(CMD_ACK,NULL);
+ GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex, NULL, -1, false);
size_t gotBytes = blocksRead*8 + blockno*8;
// try AA2
if (have_credit_key) {
//turn off hf field before authenticating with different key
- ul_switch_off_field();
+ DropField();
memset(MAC,0,4);
// 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)){
+ 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)){
- ul_switch_off_field();
+ if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
+ DropField();
return 0;
}
}
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout 2");
- ul_switch_off_field();
+ DropField();
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();
+ DropField();
return 0;
- }
+ }
startindex = resp.arg[2];
if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
blocksRead = (sizeof(tag_data) - gotBytes)/8;
}
// get dumped data from bigbuf
- GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
- WaitForResponse(CMD_ACK,NULL);
+ GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex, NULL, -1, false);
- gotBytes += blocksRead*8;
+ gotBytes += blocksRead*8;
} else { //field is still on - turn it off...
- ul_switch_off_field();
+ DropField();
}
}
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("CSN |00| %02X %02X %02X %02X %02X %02X %02X %02X |\n",tag_data[0],tag_data[1],tag_data[2]
- ,tag_data[3],tag_data[4],tag_data[5],tag_data[6],tag_data[7]);
- printIclassDumpContents(tag_data, 1, (gotBytes/8)-1, gotBytes-8);
+ 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 verbose) {
+
+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};
- 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;
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("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};
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)
{
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)) {
break;
case 'k':
case 'K':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
- if (dataLen == 16) {
+ 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) {
+ 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;
break;
}
- if(errors) return usage_hf_iclass_writeblock();
+ if(errors) {
+ usage_hf_iclass_writeblock();
+ return 0;
+ }
}
- if (cmdp < 6) return usage_hf_iclass_writeblock();
- int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
- ul_switch_off_field();
+ 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) {
- PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> e c");
+
+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(" 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");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
- return -1;
}
-int CmdHFiClassCloneTag(const char *Cmd) {
- char filename[FILE_PATH_SIZE];
+
+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};
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)
{
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);
+ 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':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
- if (dataLen == 16) {
+ 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) {
+ 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;
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;
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);
+ 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}};
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 verbose) {
+
+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, verbose))
- return 0;
+ if (auth) {
+ if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose))
+ return 0;
+ } else {
+ uint8_t CSN[8];
+ if (!select_only(CSN, verbose))
+ return 0;
+ }
UsbCommand resp;
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\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("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};
uint8_t dataLen = 0;
char tempStr[50] = {0};
bool elite = false;
+ bool rawkey = false;
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':
- 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) {
- 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;
- 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 < 4) 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, true);
+ 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') {
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;
}
char fileName[255] = {0};
- if(opt == 'f')
- {
- if(param_getstr(Cmd, 1, fileName) > 0)
- {
+ if(opt == 'f') {
+ if(param_getstr(Cmd, 1, fileName, sizeof(fileName)) > 0) {
return bruteforceFileNoKeys(fileName);
- }else
- {
+ } else {
PrintAndLog("You must specify a filename");
}
- }
- else if(opt == 't')
- {
+ } else if(opt == 't') {
int errors = testCipherUtils();
errors += testMAC();
errors += doKeyTests(0);
errors += testElite();
- if(errors)
- {
+ if(errors) {
prnlog("OBS! There were errors!!!");
}
return errors;
return 0;
}
-void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize) {
- uint8_t blockdata[8];
- 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;
- if (endblock > filemaxblock)
- 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");
- i++;
- }
-}
-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) < 1)
- return usage_hf_iclass_readtagfile();
- if (param_getstr(Cmd,1,(char *)&tempnum) < 1)
+ 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
sscanf(tempnum,"%d",&startblock);
- if (param_getstr(Cmd,2,(char *)&tempnum) < 1)
+ if (param_getstr(Cmd,2, tempnum, sizeof(tempnum)) < 1)
endblock = 0;
else
sscanf(tempnum,"%d",&endblock);
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 [00] | %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);
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;
}
*/
-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);
+ dataLen = param_getstr(Cmd, cmdp, tempStr, sizeof(tempStr));
if (dataLen==2)
oldElite = true;
elite = true;
break;
case 'n':
case 'N':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
- if (dataLen == 16) {
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(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) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
break;
case 'o':
case 'O':
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
- if (dataLen == 16) {
+ dataLen = param_getstr(Cmd, cmdp+1, tempStr, sizeof(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) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
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");
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;
}
+
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);
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
if (fileNameLen < 1) {
PrintAndLog("No filename found after f");
errors = true;
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;
break;
case 'k':
case 'K':
- operation += 3; //set key
- dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+ 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);
} else {
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;
}
-static command_t CommandTable[] =
-{
- {"help", CmdHelp, 1, "This help"},
- {"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"},
+
+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};
+ uint8_t div_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 found_debit = false;
+ bool found_credit = false;
+ bool errors = false;
+ uint8_t cmdp = 0x00;
+ FILE * f;
+ char filename[FILE_PATH_SIZE] = {0};
+ uint8_t fileNameLen = 0;
+ char buf[17];
+ uint8_t *keyBlock = NULL, *p;
+ int keyitems = 0, keycnt = 0;
+
+ while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch (param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ usage_hf_iclass_chk();
+ return 0;
+ case 'f':
+ case 'F':
+ fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+ if (fileNameLen < 1) {
+ PrintAndLog("No filename found after f");
+ errors = true;
+ }
+ cmdp += 2;
+ break;
+ case 'e':
+ case 'E':
+ use_elite = true;
+ cmdp++;
+ break;
+ case 'r':
+ case 'R':
+ use_raw = true;
+ cmdp++;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ }
+ 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 (!isxdigit(buf[0])){
+ PrintAndLog("File content error. '%s' must include 16 HEX symbols",buf);
+ continue;
+ }
+
+ buf[16] = 0;
+
+ p = realloc(keyBlock, 8 * (keyitems += 64));
+ if (!p) {
+ PrintAndLog("Cannot allocate memory for default keys");
+ free(keyBlock);
+ fclose(f);
+ return 2;
+ }
+ keyBlock = p;
+
+ memset(keyBlock + 8 * keycnt, 0, 8);
+ num_to_bytes(strtoull(buf, NULL, 16), 8, keyBlock + 8 * keycnt);
+
+ //PrintAndLog("check key[%2d] %016" PRIx64, keycnt, bytes_to_num(keyBlock + 8*keycnt, 8));
+ keycnt++;
+ memset(buf, 0, sizeof(buf));
+ }
+ 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);
+ if (ukbhit()) {
+ int gc = getchar(); (void)gc;
+ printf("\naborted via keyboard!\n");
+ break;
+ }
+
+ memcpy(key, keyBlock + 8 * c , 8);
+
+ // debit key. try twice
+ for (int foo = 0; foo < 2 && !found_debit; foo++) {
+ if (!select_and_auth(key, mac, div_key, false, use_elite, use_raw, false))
+ continue;
+
+ // key found.
+ PrintAndLog("\n--------------------------------------------------------");
+ 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 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)
-{
+
+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 / blobdiff