+#define ICLASS_KEYS_MAX 8
+static uint8_t iClass_Key_Table[ICLASS_KEYS_MAX][8] = {
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }
+};
+
+typedef struct iclass_block {
+ 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;
+}
+
+int CmdHFiClassList(const char *Cmd) {
+ //PrintAndLog("Deprecated command, use 'hf list iclass' instead");
+ CmdHFList("iclass");
+ return 0;
+}
+
+int CmdHFiClassSnoop(const char *Cmd) {
+ UsbCommand c = {CMD_SNOOP_ICLASS};
+ SendCommand(&c);
+ return 0;
+}
+
+int usage_hf_iclass_sim(void) {
+ PrintAndLog("Usage: hf iclass sim <option> [CSN]");
+ PrintAndLog(" options");
+ PrintAndLog(" 0 <CSN> simulate the given CSN");
+ PrintAndLog(" 1 simulate default CSN");
+ PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key");
+ PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')");
+ PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0");
+ PrintAndLog(" example: hf iclass sim 2");
+ PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
+ PrintAndLog(" hf iclass sim 3");
+ return 0;
+}
+
+#define NUM_CSNS 15
+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();
+
+ simType = param_get8ex(Cmd, 0, 0, 10);
+
+ if(simType == 0)
+ {
+ if (param_gethex(Cmd, 1, CSN, 16)) {
+ PrintAndLog("A CSN should consist of 16 HEX symbols");
+ return usage_hf_iclass_sim();
+ }
+
+ 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}};
+ 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);
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
+ PrintAndLog("Command timed out");
+ return 0;
+ }
+
+ uint8_t num_mac_responses = resp.arg[1];
+ PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
+
+ 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>....
+ * So, it should wind up as
+ * 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
+ **/
+ 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...
+ //Then comes NR_MAC (eight bytes from the response)
+ memcpy(dump+i*24+16, resp.d.asBytes+i*8, 8);
+ }
+ /** Now, save to dumpfile **/
+ saveFile("iclass_mac_attack", "bin", dump, datalen);
+ free(dump);
+ } else {
+ UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
+ memcpy(c.d.asBytes, CSN, 8);
+ clearCommandBuffer();
+ SendCommand(&c);
+ }
+ 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}};
+ // 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()){
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (WaitForResponseTimeout(CMD_ACK,&resp, 4500)) {
+ uint8_t readStatus = resp.arg[0] & 0xff;
+ uint8_t *data = resp.d.asBytes;
+
+ if (verbose) PrintAndLog("Readstatus:%02x", readStatus);
+ if( readStatus == 0){
+ //Aborted
+ if (verbose) PrintAndLog("Quitting...");
+ return 0;
+ }
+ 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) printIclassDumpInfo(data);
+ if (tagFound && !loop) return 1;
+ } else {
+ if (verbose) PrintAndLog("Command execute timeout");
+ }
+ if (!loop) break;
+ }
+ return 0;
+}
+
+int CmdHFiClassReader(const char *Cmd) {
+ return HFiClassReader(Cmd, true, true);
+}
+
+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");
+ 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);
+ clearCommandBuffer();
+ SendCommand(&c);
+ 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);
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+int hf_iclass_eload_usage(void) {
+ PrintAndLog("Loads iclass tag-dump into emulator memory on device");
+ PrintAndLog("Usage: hf iclass eload f <filename>");
+ PrintAndLog("");
+ PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin");
+ return 0;
+}
+
+int CmdHFiClassELoad(const char *Cmd) {
+
+ char opt = param_getchar(Cmd, 0);
+ if (strlen(Cmd)<1 || opt == 'h' || opt == 'H') return hf_iclass_eload_usage();
+
+ //File handling and reading
+ FILE *f;
+ char filename[FILE_PATH_SIZE];
+ if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
+ f = fopen(filename, "rb");
+ } else {
+ return hf_iclass_eload_usage();
+ }
+
+ if(!f) {
+ PrintAndLog("Failed to read from file '%s'", filename);
+ return 1;
+ }
+
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+
+ if (fsize < 0) {
+ prnlog("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) {
+ prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
+ free(dump);
+ return 1;
+ }
+ //Send to device
+ uint32_t bytes_sent = 0;
+ uint32_t bytes_remaining = bytes_read;
+
+ 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);
+ clearCommandBuffer();
+ SendCommand(&c);
+ bytes_remaining -= bytes_in_packet;
+ bytes_sent += bytes_in_packet;
+ }
+ free(dump);
+ PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent);
+ return 0;
+}
+
+static int readKeyfile(const char *filename, size_t len, uint8_t* buffer) {
+ FILE *f = fopen(filename, "rb");
+ if(!f) {
+ PrintAndLog("Failed to read from file '%s'", filename);
+ return 1;
+ }
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+ size_t bytes_read = fread(buffer, 1, len, f);
+ fclose(f);
+
+ if(fsize != len) {
+ PrintAndLog("Warning, file size is %d, expected %d", fsize, len);
+ return 1;
+ }
+
+ if(bytes_read != len) {
+ PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read, len);
+ return 1;
+ }
+ return 0;
+}
+
+int usage_hf_iclass_decrypt(void) {
+ PrintAndLog("Usage: hf iclass decrypt f <tagdump>");
+ PrintAndLog("");
+ PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
+ PrintAndLog("in the working directory. The file should be 16 bytes binary data");
+ PrintAndLog("");
+ PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin");
+ PrintAndLog("");
+ 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) {
+ uint8_t key[16] = { 0 };
+ if(readKeyfile("iclass_decryptionkey.bin", 16, key)) {
+ usage_hf_iclass_decrypt();
+ return 1;
+ }
+ PrintAndLog("Decryption file found... ");
+ char opt = param_getchar(Cmd, 0);
+ if (strlen(Cmd)<1 || opt == 'h' || opt == 'H') return usage_hf_iclass_decrypt();
+
+ //Open the tagdump-file
+ FILE *f;
+ char filename[FILE_PATH_SIZE];
+ if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
+ if ( (f = fopen(filename, "rb")) == NULL) {
+ PrintAndLog("Could not find file %s", filename);
+ return 1;
+ }
+ } else {
+ return usage_hf_iclass_decrypt();
+ }
+
+ fseek(f, 0, SEEK_END);
+ long fsize = ftell(f);
+ 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);
+ size_t bytes_read = fread(enc_dump, 1, 8, f);
+
+ //Use the first block (CSN) for filename
+ char outfilename[FILE_PATH_SIZE] = { 0 };
+ snprintf(outfilename,FILE_PATH_SIZE,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
+ enc_dump[0],enc_dump[1],enc_dump[2],enc_dump[3],
+ enc_dump[4],enc_dump[5],enc_dump[6],enc_dump[7]);
+
+ size_t blocknum =0;
+ while(bytes_read == 8)
+ {
+ if(blocknum < 7) {
+ memcpy(decrypted+(blocknum*8), enc_dump, 8);
+ } else {
+ des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
+ }
+ printvar("decrypted block", decrypted +(blocknum*8), 8);
+ bytes_read = fread(enc_dump, 1, 8, f);
+ blocknum++;
+ }
+ fclose(f);
+ saveFile(outfilename,"bin", decrypted, blocknum*8);
+ free(decrypted);
+ return 0;
+}
+
+int usage_hf_iclass_encrypt(void) {
+ PrintAndLog("Usage: hf iclass encrypt <BlockData>");
+ PrintAndLog("");
+ PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
+ PrintAndLog("in the working directory. The file should be 16 bytes binary data");
+ 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)) {
+ usage_hf_iclass_encrypt();
+ return 1;
+ }
+ PrintAndLog("Decryption file found... ");
+
+ 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);
+ //printvar("decrypted block", decrypted, 8);
+ memcpy(blkData,encrypted,8);
+
+ return 1;
+}
+
+int CmdHFiClassEncryptBlk(const char *Cmd) {
+ uint8_t blkData[8] = {0};
+ char opt = param_getchar(Cmd, 0);
+ if (strlen(Cmd)<1 || opt == 'h' || opt == 'H') return usage_hf_iclass_encrypt();
+
+ //get the bytes to encrypt
+ 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]) {
+ uint8_t WB[9];
+ WB[0] = blockno;
+ 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;
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ 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");
+ return false;
+ }
+ 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;
+
+ //get div_key
+ if(rawkey)
+ memcpy(div_key, KEY, 8);
+ else
+ HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+
+ PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey ? "raw key" : "diversified key", div_key[0],div_key[1],div_key[2],div_key[3],div_key[4],div_key[5],div_key[6],div_key[7]);
+
+ doMAC(CCNR, div_key, MAC);
+ UsbCommand resp;
+ UsbCommand d = {CMD_ICLASS_AUTHENTICATION, {0}};
+ memcpy(d.d.asBytes, MAC, 4);
+ clearCommandBuffer();
+ SendCommand(&d);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+ PrintAndLog("Auth Command execute timeout");
+ return false;
+ }
+ uint8_t isOK = resp.arg[0] & 0xff;
+ if (!isOK) {
+ 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");
+ 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(" See 'hf iclass sim 2'. This key should be on iclass-format");
+ PrintAndLog(" r : If 'r' is specified, the key is interpreted as raw block 3/4");
+ PrintAndLog(" NOTE: * = required");
+ PrintAndLog("Samples:");
+ PrintAndLog(" hf iclass dump k 001122334455667B");
+ PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA c 001122334455667B");
+ PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA e");
+ return 0;
+}
+
+int CmdHFiClassReader_Dump(const char *Cmd) {
+
+ uint8_t MAC[4] = {0x00,0x00,0x00,0x00};
+ uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t c_div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t blockno = 0;
+ uint8_t numblks = 0;
+ uint8_t maxBlk = 31;
+ uint8_t app_areas = 1;
+ uint8_t kb = 2;
+ uint8_t KEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t CreditKEY[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+ uint8_t keyNbr = 0;
+ uint8_t dataLen = 0;
+ uint8_t fileNameLen = 0;
+ char filename[FILE_PATH_SIZE]={0};
+ char tempStr[50] = {0};
+ bool have_debit_key = false;
+ bool have_credit_key = false;
+ bool use_credit_key = false;
+ bool elite = false;
+ bool rawkey = false;
+ bool errors = false;
+ uint8_t cmdp = 0;
+
+ 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);
+ 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 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);
+ 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);
+ 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: Credit KeyNbr is invalid\n");
+ errors = true;
+ }
+ } else {
+ PrintAndLog("\nERROR: Credit Key is incorrect length\n");
+ 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;
+ }
+ 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;
+
+ //get config and first 3 blocks
+ UsbCommand c = {CMD_READER_ICLASS, {FLAG_ICLASS_READER_CSN |
+ FLAG_ICLASS_READER_CONF | FLAG_ICLASS_READER_ONLY_ONCE | FLAG_ICLASS_READER_ONE_TRY}};
+ UsbCommand resp;
+ uint8_t tag_data[255*8];
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ PrintAndLog("Command execute timeout");
+ ul_switch_off_field();
+ return 0;
+ }
+ uint8_t readStatus = resp.arg[0] & 0xff;
+ uint8_t * data = resp.d.asBytes;
+
+ if(readStatus == 0){
+ PrintAndLog("No tag found...");
+ ul_switch_off_field();
+ return 0;
+ }
+
+ if( readStatus & (FLAG_ICLASS_READER_CSN|FLAG_ICLASS_READER_CONF|FLAG_ICLASS_READER_CC)){
+ memcpy(tag_data, data, 8*3);
+ blockno+=2; // 2 to force re-read of block 2 later. (seems to respond differently..)
+ numblks = data[8];
+ getMemConfig(data[13], data[12], &maxBlk, &app_areas, &kb);
+ // large memory - not able to dump pages currently
+ if (numblks > maxBlk) numblks = maxBlk;
+ }
+
+ ul_switch_off_field();
+ // authenticate debit key and get div_key - later store in dump block 3
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
+ //try twice - for some reason it sometimes fails the first time...
+ if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
+ ul_switch_off_field();
+ 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();
+ return 1;
+ }
+ uint32_t blocksRead = resp.arg[1];
+ uint8_t isOK = resp.arg[0] & 0xff;
+ if (!isOK && !blocksRead) {
+ PrintAndLog("Read Block Failed");
+ ul_switch_off_field();
+ return 0;
+ }
+ uint32_t startindex = resp.arg[2];
+ if (blocksRead*8 > sizeof(tag_data)-(blockno*8)) {
+ PrintAndLog("Data exceeded Buffer size!");
+ 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);
+ 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();
+ 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)){
+ ul_switch_off_field();
+ return 0;
+ }
+ }
+ // do we still need to read more block? (aa2 enabled?)
+ if (maxBlk > blockno+numblks+1) {
+ // setup dump and start
+ w.arg[0] = blockno + blocksRead;
+ w.arg[1] = maxBlk - (blockno + blocksRead);
+ clearCommandBuffer();
+ SendCommand(&w);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4500)) {
+ PrintAndLog("Command execute timeout 2");
+ ul_switch_off_field();
+ return 0;
+ }
+ uint8_t isOK = resp.arg[0] & 0xff;
+ blocksRead = resp.arg[1];
+ if (!isOK && !blocksRead) {
+ PrintAndLog("Read Block Failed 2");
+ ul_switch_off_field();
+ return 0;
+ }
+
+ startindex = resp.arg[2];
+ if (blocksRead*8 > sizeof(tag_data)-gotBytes) {
+ PrintAndLog("Data exceeded Buffer size!");
+ blocksRead = (sizeof(tag_data) - gotBytes)/8;
+ }
+ // get dumped data from bigbuf
+ GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
+ WaitForResponse(CMD_ACK,NULL);
+
+ gotBytes += blocksRead*8;
+ } else { //field is still on - turn it off...
+ ul_switch_off_field();
+ }
+ }
+
+ // add diversified keys to dump
+ if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
+ if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
+ // print the dump
+ printf("CSN |00| %s |\n", sprint_hex(tag_data, 8));
+ printf("CSN |00| %s |\n", sprint_hex(tag_data, 8));
+ printIclassDumpContents(tag_data, 1, (gotBytes/8)-1, gotBytes-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]);
+ }
+
+ // save the dump to .bin file
+ PrintAndLog("Saving dump file - %d blocks read", gotBytes/8);
+ saveFile(filename, "bin", tag_data, gotBytes);
+ 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))
+ return 0;
+
+ UsbCommand resp;
+
+ 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)) {
+ PrintAndLog("Write Command execute timeout");
+ return 0;
+ }
+ uint8_t isOK = resp.arg[0] & 0xff;
+ if (!isOK) {
+ PrintAndLog("Write Block Failed");
+ return 0;
+ }
+ PrintAndLog("Write Block Successful");
+ return 1;
+}
+
+int usage_hf_iclass_writeblock(void) {
+ PrintAndLog("Options:");
+ PrintAndLog(" b <Block> : The block number as 2 hex symbols");
+ PrintAndLog(" d <data> : Set the Data to write as 16 hex symbols");
+ PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
+ PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
+ PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
+ PrintAndLog(" r : If 'r' is specified, no computations applied to key");
+ PrintAndLog("Samples:");
+ PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
+ PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
+ PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0");
projects / proxmark3-svn / blobdiff