// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
// Copyright (C) 2011 Gerhard de Koning Gans
// Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende
+// Copyright (C) 2019 piwi
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
#include "comms.h"
#include "ui.h"
+#include "cliparser/cliparser.h"
#include "cmdparser.h"
#include "cmdhficlass.h"
#include "common.h"
#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];
-} 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");
+// iclass / picopass chip config structures and shared routines
+typedef struct {
+ uint8_t app_limit; //[8]
+ uint8_t otp[2]; //[9-10]
+ uint8_t block_writelock;//[11]
+ uint8_t chip_config; //[12]
+ uint8_t mem_config; //[13]
+ uint8_t eas; //[14]
+ uint8_t fuses; //[15]
+} picopass_conf_block;
+
+typedef struct {
+ uint8_t csn[8];
+ picopass_conf_block conf;
+ uint8_t epurse[8];
+ uint8_t key_d[8];
+ uint8_t key_c[8];
+ uint8_t app_issuer_area[8];
+} picopass_hdr;
+
+
+static void fuse_config(const picopass_hdr *hdr) {
+ uint8_t fuses = hdr->conf.fuses;
+
+ if (fuses & FUSE_FPERS)
+ PrintAndLog(" Mode: Personalization [Programmable]");
+ else
+ PrintAndLog(" Mode: Application [Locked]");
+
+ if (fuses & FUSE_CODING1)
+ PrintAndLog("Coding: RFU");
+ else {
+ if (fuses & FUSE_CODING0)
+ PrintAndLog("Coding: ISO 14443-2 B/ISO 15693");
+ else
+ PrintAndLog("Coding: ISO 14443B only");
+ }
+ if ((fuses & FUSE_CRYPT1) && (fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Secured page, keys not locked");
+ if ((fuses & FUSE_CRYPT1) && !(fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Secured page, keys locked");
+ if (!(fuses & FUSE_CRYPT1) && (fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: Non secured page");
+ if (!(fuses & FUSE_CRYPT1) && !(fuses & FUSE_CRYPT0)) PrintAndLog(" Crypt: No auth possible. Read only if RA is enabled");
+
+ if (fuses & FUSE_RA)
+ PrintAndLog(" RA: Read access enabled");
+ else
+ PrintAndLog(" RA: Read access not enabled");
+}
+
+
+static void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) {
+ // mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
+ if((chip_cfg & 0x10) && !(mem_cfg & 0x80) && !(mem_cfg & 0x20)) {
+ *kb = 2;
+ *app_areas = 2;
+ *max_blk = 31;
+ } else if((chip_cfg & 0x10) && (mem_cfg & 0x80) && !(mem_cfg & 0x20)) {
+ *kb = 16;
+ *app_areas = 2;
+ *max_blk = 255; //16kb
+ } else if(!(chip_cfg & 0x10) && !(mem_cfg & 0x80) && !(mem_cfg & 0x20)) {
+ *kb = 16;
+ *app_areas = 16;
+ *max_blk = 255; //16kb
+ } else if((chip_cfg & 0x10) && (mem_cfg & 0x80) && (mem_cfg & 0x20)) {
+ *kb = 32;
+ *app_areas = 3;
+ *max_blk = 255; //16kb
+ } else if(!(chip_cfg & 0x10) && !(mem_cfg & 0x80) && (mem_cfg & 0x20)) {
+ *kb = 32;
+ *app_areas = 17;
+ *max_blk = 255; //16kb
+ } else {
+ *kb = 32;
+ *app_areas = 2;
+ *max_blk = 255;
+ }
+}
+
+
+static void mem_app_config(const picopass_hdr *hdr) {
+ uint8_t mem = hdr->conf.mem_config;
+ uint8_t chip = hdr->conf.chip_config;
+ uint8_t applimit = hdr->conf.app_limit;
+ if (applimit < 6) applimit = 26;
+ uint8_t kb = 2;
+ uint8_t app_areas = 2;
+ uint8_t max_blk = 31;
+ getMemConfig(mem, chip, &max_blk, &app_areas, &kb);
+ PrintAndLog(" Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk+1, mem);
+ PrintAndLog(" AA1: blocks 06-%02X", applimit);
+ PrintAndLog(" AA2: blocks %02X-%02X", applimit+1, max_blk);
+}
+
+
+static void printIclassDumpInfo(uint8_t* iclass_dump) {
+ fuse_config((picopass_hdr*)iclass_dump);
+ mem_app_config((picopass_hdr*)iclass_dump);
+}
+
+
+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) {
- UsbCommand c = {CMD_SNOOP_ICLASS};
+
+static int CmdHFiClassSnoop(const char *Cmd) {
+
+ CLIParserInit("hf iclass snoop", "\nSnoop a communication between an iClass Reader and an iClass Tag.", NULL);
+ void* argtable[] = {
+ arg_param_begin,
+ arg_lit0("j", "jam", "Jam (prevent) e-purse Updates"),
+ arg_param_end
+ };
+ if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){
+ CLIParserFree();
+ return 0;
+ }
+
+ bool jam_epurse_update = arg_get_lit(1);
+
+ const uint8_t update_epurse_sequence[2] = {0x87, 0x02};
+
+ UsbCommand c = {CMD_SNOOP_ICLASS, {0}};
+ if (jam_epurse_update) {
+ c.arg[0] = sizeof(update_epurse_sequence);
+ memcpy(c.d.asBytes, update_epurse_sequence, sizeof(update_epurse_sequence));
+ }
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) {
+
+int HFiClassReader(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 } };
- // loop in client not device - else on windows have a communication error
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_INIT | FLAG_ICLASS_READER_CLEARTRACE | FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC | FLAG_ICLASS_READER_AA} };
UsbCommand resp;
- while(!ukbhit()){
+
+ while (!ukbhit()) {
SendCommand(&c);
- if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) {
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
uint8_t readStatus = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
- // no tag found or button pressed
- if( (readStatus == 0 && !loop) || readStatus == 0xFF) {
+ // no tag found
+ if (readStatus == 0 && !loop) {
// abort
if (verbose) PrintAndLog("Quitting...");
+ DropField();
return 0;
}
- if( readStatus & FLAG_ICLASS_READER_CSN) {
+ if (readStatus & FLAG_ICLASS_READER_CSN) {
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) {
+ if (readStatus & FLAG_ICLASS_READER_CONF) {
printIclassDumpInfo(data);
}
if (readStatus & FLAG_ICLASS_READER_AA) {
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");
+ if (verbose) PrintAndLog("Error: No response from Proxmark.");
+ break;
}
if (!loop) break;
}
+
+ DropField();
return 0;
}
-int CmdHFiClassReader(const char *Cmd) {
- return HFiClassReader(Cmd, true, true);
+
+static void usage_hf_iclass_reader(void) {
+ PrintAndLogEx(NORMAL, "Act as a Iclass reader. Look for iClass tags until Enter or the pm3 button is pressed\n");
+ PrintAndLogEx(NORMAL, "Usage: hf iclass reader [h] [1]\n");
+ PrintAndLogEx(NORMAL, "Options:");
+ PrintAndLogEx(NORMAL, " h This help text");
+ PrintAndLogEx(NORMAL, " 1 read only 1 tag");
+ PrintAndLogEx(NORMAL, "Examples:");
+ PrintAndLogEx(NORMAL, " hf iclass reader 1");
}
-int CmdHFiClassReader_Replay(const char *Cmd) {
- uint8_t readerType = 0;
- uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};
- if (strlen(Cmd)<1) {
- PrintAndLog("Usage: hf iclass replay <MAC>");
- PrintAndLog(" sample: hf iclass replay 00112233");
+static int CmdHFiClassReader(const char *Cmd) {
+ char cmdp = tolower(param_getchar(Cmd, 0));
+ if (cmdp == 'h') {
+ usage_hf_iclass_reader();
return 0;
}
-
- if (param_gethex(Cmd, 0, MAC, 8)) {
- PrintAndLog("MAC must include 8 HEX symbols");
- return 1;
- }
-
- UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
- memcpy(c.d.asBytes, MAC, 4);
- SendCommand(&c);
-
- return 0;
+ bool findone = (cmdp == '1') ? false : true;
+ return HFiClassReader(findone, true);
}
-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);
- doMAC_N(WB,sizeof(WB),div_key,MAC);
+ memcpy(WB+1, data, 8);
+ doMAC_N(WB, sizeof(WB), div_key, MAC);
//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) {
- 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;
+static bool iClass_select(uint8_t *CSN, bool verbose, bool cleartrace, bool init) {
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN}};
+ if (init) c.arg[0] |= FLAG_ICLASS_READER_INIT;
+ if (cleartrace) c.arg[0] |= FLAG_ICLASS_READER_CLEARTRACE;
+
+ UsbCommand resp;
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");
+ if (isOK & FLAG_ICLASS_READER_CSN) {
+ memcpy(CSN, data, 8);
+ if (verbose) PrintAndLog("CSN: %s", sprint_hex(CSN, 8));
+ } else {
+ PrintAndLog("Failed to select card! Aborting");
return false;
}
- return true;
+ return true;
}
-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, CCNR, use_credit_key, verbose))
- return false;
+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 iClass_authenticate(uint8_t *CSN, uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool replay, bool verbose) {
//get div_key
- if(rawkey)
+ if (rawkey || replay)
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);
+ char keytypetext[23] = "legacy diversified key";
+ if (rawkey) {
+ strcpy(keytypetext, "raw key");
+ } else if (replay) {
+ strcpy(keytypetext, "replayed NR/MAC");
+ } else if (elite) {
+ strcpy(keytypetext, "Elite diversified key");
+ }
+
+ if (verbose) PrintAndLog("Authenticating with %s: %s", keytypetext, sprint_hex(div_key, 8));
+
UsbCommand resp;
- UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
- memcpy(d.d.asBytes, MAC, 4);
+ UsbCommand d = {CMD_ICLASS_READCHECK, {2, use_credit_key, 0}};
+
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 (READCHECK[2]) execute timeout");
return false;
}
- uint8_t isOK = resp.arg[0] & 0xff;
+ bool isOK = resp.arg[0];
+ if (!isOK) {
+ if (verbose) PrintAndLog("Couldn't get Card Challenge");
+ return false;
+ }
+
+ if (replay) {
+ memcpy(MAC, KEY+4, 4);
+ } else {
+ uint8_t CCNR[12];
+ memcpy(CCNR, resp.d.asBytes, 8);
+ memset(CCNR+8, 0x00, 4); // default NR = {0, 0, 0, 0}
+ doMAC(CCNR, div_key, MAC);
+ }
+
+ d.cmd = CMD_ICLASS_CHECK;
+ if (replay) {
+ memcpy(d.d.asBytes, KEY, 8);
+ } else {
+ memset(d.d.asBytes, 0x00, 4); // default NR = {0, 0, 0, 0}
+ memcpy(d.d.asBytes+4, MAC, 4);
+ }
+ clearCommandBuffer();
+ SendCommand(&d);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ if (verbose) PrintAndLog("Auth Command (CHECK) execute timeout");
+ return false;
+ }
+ isOK = resp.arg[0];
if (!isOK) {
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|r\n");
+
+static void usage_hf_iclass_dump(void) {
+ PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e|r|n\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(" c <CreditKey>: Credit 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(" k <Key> : *Debit Key (AA1) as 16 hex symbols (8 bytes) or 1 hex to select key from memory");
+ PrintAndLog(" c <CreditKey>: Credit Key (AA2) as 16 hex symbols (8 bytes) or 1 hex to select key from memory");
+ PrintAndLog(" e : If 'e' is specified, the keys are interpreted as Elite");
+ PrintAndLog(" Custom Keys (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(" r : If 'r' is specified, keys are interpreted as raw blocks 3/4");
+ PrintAndLog(" n : If 'n' is specified, keys are interpreted as NR/MAC pairs which can be obtained by 'hf iclass snoop'");
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};
uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t blockno = 0;
- uint8_t numblks = 0;
+ uint8_t AA1_maxBlk = 0;
uint8_t maxBlk = 31;
uint8_t app_areas = 1;
uint8_t kb = 2;
bool use_credit_key = false;
bool elite = false;
bool rawkey = false;
+ bool NRMAC_replay = false;
bool errors = false;
+ bool verbose = false;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
- case 'h':
- case 'H':
- return usage_hf_iclass_dump();
- case 'c':
- case 'C':
- have_credit_key = true;
- 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) {
- memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
+ while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ usage_hf_iclass_dump();
+ return 0;
+ case 'c':
+ case 'C':
+ have_credit_key = true;
+ 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) {
+ memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
+ } else {
+ PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ errors = true;
+ }
} else {
- PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ PrintAndLog("\nERROR: Credit Key is incorrect length\n");
errors = true;
}
- } else {
- PrintAndLog("\nERROR: Credit Key is incorrect length\n");
- errors = true;
- }
- cmdp += 2;
- break;
- case 'e':
- case 'E':
- elite = true;
- cmdp++;
- break;
- 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 'k':
- case 'K':
- have_debit_key = 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);
+ cmdp += 2;
+ break;
+ case 'e':
+ case 'E':
+ elite = true;
+ cmdp++;
+ break;
+ 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 'k':
+ case 'K':
+ have_debit_key = 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: Debit KeyNbr is invalid\n");
+ errors = true;
+ }
} else {
- PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
+ PrintAndLog("\nERROR: Debit 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;
+ case 'n':
+ case 'N':
+ NRMAC_replay = true;
+ cmdp++;
+ break;
+ case 'v':
+ case 'V':
+ verbose = 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) return usage_hf_iclass_dump();
}
- if (cmdp < 2) return usage_hf_iclass_dump();
- // if no debit key given try credit key on AA1 (not for iclass but for some picopass this will work)
- if (!have_debit_key && have_credit_key) use_credit_key = true;
+ if (elite + rawkey + NRMAC_replay > 1) {
+ PrintAndLog("You cannot combine the 'e', 'r', and 'n' options\n");
+ errors = true;
+ }
+
+ if (errors || cmdp < 2) {
+ usage_hf_iclass_dump();
+ return 0;
+ }
+
+ // if only credit key is given: try for AA1 as well (not for iclass but for some picopass this will work)
+ if (!have_debit_key && have_credit_key) {
+ memcpy(KEY, CreditKEY, 8);
+ }
- //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}};
+ // clear trace and get first 3 blocks
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_INIT | FLAG_ICLASS_READER_CLEARTRACE | FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC}};
UsbCommand resp;
- uint8_t tag_data[255*8];
+ uint8_t tag_data[256*8];
clearCommandBuffer();
SendCommand(&c);
DropField();
return 0;
}
+
uint8_t readStatus = resp.arg[0] & 0xff;
uint8_t *data = resp.d.asBytes;
+ uint8_t status_mask = FLAG_ICLASS_READER_CSN | FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_CC;
- if(readStatus == 0){
- PrintAndLog("No tag found...");
- DropField();
+ if (readStatus != status_mask) {
+ PrintAndLog("No tag found ...");
return 0;
- }
- if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
+ } else {
memcpy(tag_data, data, 8*3);
- blockno+=2; // 2 to force re-read of block 2 later. (seems to respond differently..)
- numblks = data[8];
+ if (verbose) PrintAndLog("CSN: %s", sprint_hex(tag_data, 8));
+ AA1_maxBlk = data[8];
getMemConfig(data[13], data[12], &maxBlk, &app_areas, &kb);
// large memory - not able to dump pages currently
- if (numblks > maxBlk) numblks = maxBlk;
- }
- 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, 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, rawkey, false)){
- DropField();
- return 0;
- }
+ if (AA1_maxBlk > maxBlk) AA1_maxBlk = maxBlk;
}
-
- // 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");
- DropField();
- return 1;
- }
- uint32_t blocksRead = resp.arg[1];
- uint8_t isOK = resp.arg[0] & 0xff;
- if (!isOK && !blocksRead) {
- PrintAndLog("Read Block Failed");
+
+ // authenticate with debit key (or credit key if we have no debit key) and get div_key - later store in dump block 3
+ if (!iClass_authenticate(tag_data, KEY, MAC, div_key, false, elite, rawkey, NRMAC_replay, verbose)) {
DropField();
return 0;
}
- uint32_t startindex = resp.arg[2];
- if (blocksRead*8 > sizeof(tag_data)-(blockno*8)) {
- PrintAndLog("Data exceeded Buffer size!");
- blocksRead = (sizeof(tag_data)/8) - blockno;
+
+ // read AA1
+ UsbCommand w = {CMD_ICLASS_DUMP};
+ uint32_t blocksRead = 0;
+ for (blockno = 3; blockno <= AA1_maxBlk; blockno += blocksRead) {
+ w.arg[0] = blockno;
+ w.arg[1] = AA1_maxBlk - blockno + 1;
+ clearCommandBuffer();
+ SendCommand(&w);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ PrintAndLog("Command execute time-out 1");
+ DropField();
+ return 1;
+ }
+ blocksRead = resp.arg[1];
+ bool isOK = resp.arg[0];
+ if (!isOK) {
+ PrintAndLog("Reading AA1 block failed");
+ DropField();
+ return 0;
+ }
+ memcpy(tag_data + blockno*8, resp.d.asBytes, blocksRead*8);
}
- // response ok - now get bigbuf content of the dump
- 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
- 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, false)){
- //try twice - for some reason it sometimes fails the first time...
- if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
+ // do we still need to read more blocks (AA2 enabled)?
+ if (have_credit_key && maxBlk > AA1_maxBlk) {
+ if (!use_credit_key) {
+ //turn off hf field before authenticating with different key
+ DropField();
+ // AA2 authenticate credit key and git c_div_key - later store in dump block 4
+ uint8_t CSN[8];
+ if (!iClass_select(CSN, verbose, false, true) || !iClass_authenticate(CSN, CreditKEY, MAC, c_div_key, true, false, false, NRMAC_replay, verbose)){
DropField();
return 0;
}
}
- // do we still need to read more block? (aa2 enabled?)
- if (maxBlk > blockno+numblks+1) {
- // setup dump and start
- w.arg[0] = blockno + blocksRead;
- w.arg[1] = maxBlk - (blockno + blocksRead);
+ for ( ; blockno <= maxBlk; blockno += blocksRead) {
+ w.arg[0] = blockno;
+ w.arg[1] = maxBlk - blockno + 1;
clearCommandBuffer();
SendCommand(&w);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
- PrintAndLog("Command execute timeout 2");
+ PrintAndLog("Command execute time-out 1");
DropField();
- return 0;
+ return 1;
}
- uint8_t isOK = resp.arg[0] & 0xff;
blocksRead = resp.arg[1];
- if (!isOK && !blocksRead) {
- PrintAndLog("Read Block Failed 2");
+ bool isOK = resp.arg[0];
+ if (!isOK) {
+ PrintAndLog("Reading AA2 block failed");
DropField();
return 0;
- }
-
- startindex = resp.arg[2];
- if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
- PrintAndLog("Data exceeded Buffer size!");
- blocksRead = (sizeof(tag_data) - gotBytes)/8;
}
- // get dumped data from bigbuf
- GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex, NULL, -1, false);
-
- gotBytes += blocksRead*8;
- } else { //field is still on - turn it off...
- DropField();
+ memcpy(tag_data + blockno*8, resp.d.asBytes, blocksRead*8);
}
}
+ DropField();
+
// add diversified keys to dump
- if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
- if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
+ if (have_debit_key) {
+ memcpy(tag_data + 3*8, div_key, 8);
+ } else {
+ memset(tag_data + 3*8, 0xff, 8);
+ }
+ if (have_credit_key) {
+ memcpy(tag_data + 4*8, c_div_key, 8);
+ } else {
+ memset(tag_data + 4*8, 0xff, 8);
+ }
+
// print the dump
printf("------+--+-------------------------+\n");
printf("CSN |00| %s|\n",sprint_hex(tag_data, 8));
- printIclassDumpContents(tag_data, 1, (gotBytes/8), gotBytes);
-
- if (filename[0] == 0){
+ printIclassDumpContents(tag_data, 1, blockno-1, blockno*8);
+
+ 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
- PrintAndLog("Saving dump file - %d blocks read", gotBytes/8);
- saveFile(filename, "bin", tag_data, gotBytes);
+ PrintAndLog("Saving dump file - %d blocks read", blockno);
+ saveFile(filename, "bin", tag_data, blockno*8);
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};
- if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose))
+
+static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool NRMAC_replay, bool verbose) {
+
+ uint8_t MAC[4] = {0x00,0x00,0x00,0x00};
+ uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CSN[8];
+
+ if (!iClass_select(CSN, verbose, true, true) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, NRMAC_replay, verbose)) {
+ DropField();
return 0;
+ }
UsbCommand resp;
- Calc_wb_mac(blockno,bldata,div_key,MAC);
+ Calc_wb_mac(blockno, bldata, div_key, MAC);
+
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))
- {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Write Command execute timeout");
+ DropField();
return 0;
}
- uint8_t isOK = resp.arg[0] & 0xff;
+ bool isOK = resp.arg[0];
if (!isOK) {
PrintAndLog("Write Block Failed");
+ DropField();
return 0;
}
+
PrintAndLog("Write Block Successful");
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(" o : override protection and allow modification of blocks 0...4");
+ PrintAndLog("Samples:");
PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
- PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0");
- return 0;
+ PrintAndLog(" hf iclass writeblk b 03 d AAAAAAAAAAAAAAAA k 001122334455667B c o");
}
-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};
+
+static int CmdHFiClass_WriteBlock(const char *Cmd) {
+ uint8_t blockno = 0;
+ uint8_t bldata[8] = {0};
+ uint8_t KEY[8] = {0};
uint8_t keyNbr = 0;
uint8_t dataLen = 0;
char tempStr[50] = {0};
bool use_credit_key = false;
bool elite = false;
- bool rawkey= false;
+ bool rawkey = false;
+ bool override_protection = false;
bool errors = false;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
+
+ while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch(param_getchar(Cmd, cmdp)) {
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 'd':
case 'D':
- if (param_gethex(Cmd, cmdp+1, bldata, 16))
- {
- PrintAndLog("KEY must include 16 HEX symbols\n");
+ if (param_gethex(Cmd, cmdp+1, bldata, 16)) {
+ PrintAndLog("Data must include 16 HEX symbols\n");
errors = true;
}
cmdp += 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);
rawkey = true;
cmdp++;
break;
+ case 'o':
+ case 'O':
+ override_protection = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
break;
}
- if(errors) return usage_hf_iclass_writeblock();
+ if (errors) {
+ usage_hf_iclass_writeblock();
+ return 0;
+ }
+ }
+
+ if (elite && rawkey) {
+ PrintAndLog("You cannot combine the 'e' and 'r' options\n");
+ errors = true;
+ }
+
+ if (cmdp < 6) {
+ usage_hf_iclass_writeblock();
+ return 0;
+ }
+
+ if (blockno < 5) {
+ if (override_protection) {
+ PrintAndLog("Info: modifying keys, e-purse or configuration block.");
+ } else {
+ PrintAndLog("You are going to modify keys, e-purse or configuration block.");
+ PrintAndLog("You must add the 'o' (override) option to confirm that you know what you are doing");
+ return 0;
+ }
}
- if (cmdp < 6) return usage_hf_iclass_writeblock();
- int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true);
+ int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, false, 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> c e|r");
+
+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 o");
PrintAndLog("Options:");
PrintAndLog(" f <filename>: specify a filename to clone from");
PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols");
- PrintAndLog(" l <Last Blk>: Set the Data to write as 16 hex symbols");
+ PrintAndLog(" l <Last Blk>: The last 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(" o : override protection and allow modification of target blocks 0...4");
PrintAndLog("Samples:");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0");
PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
- return -1;
+ PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
+ PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 03 l 19 k 0 e o");
}
-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};
bool use_credit_key = false;
bool elite = false;
bool rawkey = false;
+ bool override_protection = false;
bool errors = false;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
+
+ while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch (param_getchar(Cmd, cmdp)) {
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);
case 'l':
case 'L':
if (param_gethex(Cmd, cmdp+1, &endblock, 2)) {
- PrintAndLog("Start Block No must include 2 HEX symbols\n");
+ PrintAndLog("Last Block No must include 2 HEX symbols\n");
errors = true;
}
cmdp += 2;
rawkey = true;
cmdp++;
break;
+ case 'o':
+ case 'O':
+ override_protection = true;
+ cmdp++;
+ break;
default:
PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
errors = true;
break;
}
- if(errors) return usage_hf_iclass_clone();
+ if (errors) {
+ usage_hf_iclass_clone();
+ return 0;
+ }
+ }
+
+ if (cmdp < 8) {
+ usage_hf_iclass_clone();
+ return 0;
+ }
+
+ if (startblock < 5) {
+ if (override_protection) {
+ PrintAndLog("Info: modifying keys, e-purse or configuration block.");
+ } else {
+ PrintAndLog("You are going to modify keys, e-purse or configuration block.");
+ PrintAndLog("You must add the 'o' (override) option to confirm that you know what you are doing");
+ return 0;
+ }
}
-
- if (cmdp < 8) return usage_hf_iclass_clone();
-
- FILE *f;
-
- iclass_block_t tag_data[USB_CMD_DATA_SIZE/12];
-
- if ((endblock-startblock+1)*12 > USB_CMD_DATA_SIZE) {
- PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/8);
+
+ if ((endblock - startblock + 1) * 12 > USB_CMD_DATA_SIZE) {
+ PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE/12);
}
+
// file handling and reading
+ FILE *f;
f = fopen(filename,"rb");
- if(!f) {
+ if (!f) {
PrintAndLog("Failed to read from file '%s'", filename);
return 1;
}
- if (startblock<5) {
- PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4");
- fclose(f);
- return 0;
- }
- // now read data from the file from block 6 --- 19
- // ok we will use this struct [data 8 bytes][MAC 4 bytes] for each block calculate all mac number for each data
- // then copy to usbcommand->asbytes; the max is 32 - 6 = 24 block 12 bytes each block 288 bytes then we can only accept to clone 21 blocks at the time,
- // else we have to create a share memory
- int i;
- fseek(f,startblock*8,SEEK_SET);
- if ( fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f) == 0 ) {
- PrintAndLog("File reading error.");
- fclose(f);
- return 2;
+ uint8_t tag_data[USB_CMD_DATA_SIZE/12][8];
+ fseek(f, startblock*8, SEEK_SET);
+ for (int i = 0; i < endblock - startblock + 1; i++) {
+ if (fread(&tag_data[i], 1, 8, f) == 0 ) {
+ PrintAndLog("File reading error.");
+ fclose(f);
+ return 2;
+ }
}
- uint8_t MAC[4]={0x00,0x00,0x00,0x00};
- uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t MAC[4] = {0x00, 0x00, 0x00, 0x00};
+ uint8_t div_key[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ uint8_t CSN[8];
- if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, true))
+ if (!iClass_select(CSN, true, true, true) || !iClass_authenticate(CSN, KEY, MAC, div_key, use_credit_key, elite, rawkey, false, true)) {
+ DropField();
return 0;
+ }
- UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}};
+ UsbCommand w = {CMD_ICLASS_CLONE, {startblock, endblock}};
uint8_t *ptr;
- // calculate all mac for every the block we will write
- for (i = startblock; i <= endblock; i++){
- Calc_wb_mac(i,tag_data[i - startblock].d,div_key,MAC);
- // usb command d start pointer = d + (i - 6) * 12
- // memcpy(pointer,tag_data[i - 6],8) 8 bytes
- // memcpy(pointer + 8,mac,sizoof(mac) 4 bytes;
- // next one
- ptr = w.d.asBytes + (i - startblock) * 12;
- memcpy(ptr, &(tag_data[i - startblock].d[0]), 8);
- memcpy(ptr + 8,MAC, 4);
+ // calculate MAC for every block we will write
+ for (int i = 0; i < endblock - startblock + 1; i++) {
+ Calc_wb_mac(startblock + i, tag_data[i], div_key, MAC);
+ ptr = w.d.asBytes + i * 12;
+ memcpy(ptr, tag_data[i], 8);
+ memcpy(ptr + 8, MAC, 4);
}
+
uint8_t p[12];
- for (i = 0; i <= endblock - startblock;i++){
- memcpy(p,w.d.asBytes + (i * 12),12);
- printf("Block |%02x|",i + startblock);
- printf(" %02x%02x%02x%02x%02x%02x%02x%02x |",p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
- printf(" MAC |%02x%02x%02x%02x|\n",p[8],p[9],p[10],p[11]);
+ PrintAndLog("Cloning");
+ for (int i = 0; i < endblock - startblock + 1; i++){
+ memcpy(p, w.d.asBytes + (i * 12), 12);
+ PrintAndLog("Block |%02x| %02x%02x%02x%02x%02x%02x%02x%02x | MAC |%02x%02x%02x%02x|",
+ i + startblock, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11]);
}
+
UsbCommand resp;
SendCommand(&w);
- if (!WaitForResponseTimeout(CMD_ACK,&resp,4500))
- {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
PrintAndLog("Command execute timeout");
+ DropField();
return 0;
}
+
+ DropField();
return 1;
}
-static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose, bool auth) {
+
+static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool NRMAC_replay, 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};
+ uint8_t CSN[8];
+
+ if (!iClass_select(CSN, verbose, true, true)) {
+ DropField();
+ return 0;
+ }
if (auth) {
- 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))
+ if (!iClass_authenticate(CSN, KEY, MAC, div_key, (keyType==0x18), elite, rawkey, NRMAC_replay, verbose)) {
+ DropField();
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");
+ DropField();
return 0;
}
- uint8_t isOK = resp.arg[0] & 0xff;
+ bool isOK = resp.arg[0];
if (!isOK) {
PrintAndLog("Read Block Failed");
+ DropField();
return 0;
}
//data read is stored in: resp.d.asBytes[0-15]
- if (verbose) PrintAndLog("Block %02X: %s\n",blockno, sprint_hex(resp.d.asBytes,8));
+ if (verbose)
+ PrintAndLog("Block %02X: %s\n",blockno, sprint_hex(resp.d.asBytes,8));
+
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]\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(" n : If 'n' is specified, <Key> specifies a NR/MAC pair which can be obtained by 'hf iclass snoop'");
+ 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};
char tempStr[50] = {0};
bool elite = false;
bool rawkey = false;
+ bool NRMAC_replay = 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':
- 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 && !errors) {
+ 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;
+ case 'n':
+ case 'N':
+ NRMAC_replay = 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) return usage_hf_iclass_readblock();
}
- if (cmdp < 2) return usage_hf_iclass_readblock();
+ if (elite + rawkey + NRMAC_replay > 1) {
+ PrintAndLog("You cannot combine the 'e', 'r', and 'n' options\n");
+ errors = true;
+ }
+
+ if (errors) {
+ usage_hf_iclass_readblock();
+ return 0;
+ }
+
+ 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);
+
+ return ReadBlock(KEY, blockno, keyType, elite, rawkey, NRMAC_replay, 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};
bool elite = false;
bool errors = false;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
+
+ while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch(param_getchar(Cmd, cmdp)) {
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 (!iClass_select(CSN, true, true, true)) {
+ DropField();
return 0;
-
+ }
+ DropField();
+
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};
char tempStr[20];
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
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;
+ 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;
+ int keycnt = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
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 ( !(f = fopen( filename , "r")) ) {
- PrintAndLog("File: %s: not found or locked.", filename);
+
+ 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) ){
+ 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);
+ PrintAndLog("File content error. '%s' must include 16 HEX symbols", buf);
continue;
}
-
+
buf[16] = 0;
- p = realloc(keyBlock, 8 * (keyitems += 64));
+ p = realloc(keyBlock, 8 * (keycnt + 1));
if (!p) {
PrintAndLog("Cannot allocate memory for default keys");
free(keyBlock);
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;
+
+ uint8_t CSN[8];
+ if (!iClass_select(CSN, false, true, true)) {
+ DropField();
+ return 0;
}
- t1 = msclock() - t1;
+ for (uint32_t c = 0; c < keycnt; c++) {
+
+ memcpy(key, keyBlock + 8 * c, 8);
+
+ // debit key
+ if (iClass_authenticate(CSN, key, mac, div_key, false, use_elite, use_raw, false, false)) {
+ PrintAndLog("\n Found AA1 debit key\t\t[%s]", sprint_hex(key, 8));
+ found_debit = true;
+ }
+
+ // credit key
+ if (iClass_authenticate(CSN, key, mac, div_key, true, use_elite, use_raw, false, false)) {
+ PrintAndLog("\n Found AA2 credit key\t\t[%s]", sprint_hex(key, 8));
+ found_credit = true;
+ }
+
+ // both keys found.
+ if (found_debit && found_credit)
+ break;
+ }
- 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 and/or AA2"},
+ {"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"},
+ {"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 / blobdiff