X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/71d90e54cdfbe625c70185b2db53e4d87d68ec14..c7ea35a9fbdb39825afbcce51088ba90f903b147:/client/cmdhfmf.c?ds=inline diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 9624ce9a..e6568f59 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -9,88 +9,258 @@ //----------------------------------------------------------------------------- #include "cmdhfmf.h" -#include "proxmark3.h" static int CmdHelp(const char *Cmd); +int usage_hf14_mifare(void){ + PrintAndLog("Usage: hf mf mifare [h] "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" (Optional) target other block"); + PrintAndLog(" (optional) target key type"); + PrintAndLog("samples:"); + PrintAndLog(" hf mf mifare"); + PrintAndLog(" hf mf mifare 16"); + PrintAndLog(" hf mf mifare 16 B"); + return 0; +} +int usage_hf14_mf1ksim(void){ + PrintAndLog("Usage: hf mf sim [h] u n [i] [x] [e] [v]"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" u (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used"); + PrintAndLog(" n (Optional) Automatically exit simulation after blocks have been read by reader. 0 = infinite"); + PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted"); + PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a reader"); + PrintAndLog(" e (Optional) Fill simulator keys from found keys"); + PrintAndLog(" v (Optional) Verbose"); + PrintAndLog("samples:"); + PrintAndLog(" hf mf sim u 0a0a0a0a"); + PrintAndLog(" hf mf sim u 11223344556677"); + PrintAndLog(" hf mf sim u 112233445566778899AA"); + PrintAndLog(" hf mf sim u 11223344 i x"); + return 0; +} +int usage_hf14_dbg(void){ + PrintAndLog("Usage: hf mf dbg [h] "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" (Optional) see list for valid levels"); + PrintAndLog(" 0 - no debug messages"); + PrintAndLog(" 1 - error messages"); + PrintAndLog(" 2 - plus information messages"); + PrintAndLog(" 3 - plus debug messages"); + PrintAndLog(" 4 - print even debug messages in timing critical functions"); + PrintAndLog(" Note: this option therefore may cause malfunction itself"); + PrintAndLog("samples:"); + PrintAndLog(" hf mf dbg 3"); + return 0; +} +int usage_hf14_sniff(void){ + PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file."); + PrintAndLog("Usage: hf mf sniff [h] [l] [d] [f]"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" l save encrypted sequence to logfile `uid.log`"); + PrintAndLog(" d decrypt sequence and put it to log file `uid.log`"); +// PrintAndLog(" n/a e decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); + PrintAndLog(" f decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); + PrintAndLog("sample:"); + PrintAndLog(" hf mf sniff l d f"); + return 0; +} +int usage_hf14_nested(void){ + PrintAndLog("Usage:"); + PrintAndLog(" all sectors: hf mf nested [t,d]"); + PrintAndLog(" one sector: hf mf nested o "); + PrintAndLog(" [t]"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); + PrintAndLog(" t transfer keys into emulator memory"); + PrintAndLog(" d write keys to binary file"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF "); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF t "); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF d "); + PrintAndLog(" hf mf nested o 0 A FFFFFFFFFFFF 4 A"); + return 0; +} +int usage_hf14_hardnested(void){ + PrintAndLog("Usage:"); + PrintAndLog(" hf mf hardnested "); + PrintAndLog(" [known target key (12 hex symbols)] [w] [s]"); + PrintAndLog(" or hf mf hardnested r [known target key]"); + PrintAndLog(" "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" w acquire nonces and write them to binary file nonces.bin"); + PrintAndLog(" s slower acquisition (required by some non standard cards)"); + PrintAndLog(" r read nonces.bin and start attack"); + PrintAndLog(" t tests?"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s"); + PrintAndLog(" hf mf hardnested r"); + PrintAndLog(" hf mf hardnested r a0a1a2a3a4a5"); + PrintAndLog(" "); + PrintAndLog("Add the known target key to check if it is present in the remaining key space:"); + PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF"); + return 0; +} +int usage_hf14_chk(void){ + PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" * all sectors based on card memory, other values then below defaults to 1k"); + PrintAndLog(" 0 - MINI(320 bytes)"); + PrintAndLog(" 1 - 1K"); + PrintAndLog(" 2 - 2K"); + PrintAndLog(" 4 - 4K"); + PrintAndLog(" d write keys to binary file"); + PrintAndLog(" t write keys to emulator memory\n"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf chk 0 A 1234567890ab keys.dic -- target block 0, Key A"); + PrintAndLog(" hf mf chk *1 ? t -- target all blocks, all keys, 1K, write to emul"); + PrintAndLog(" hf mf chk *1 ? d -- target all blocks, all keys, 1K, write to file"); + return 0; +} +int usage_hf14_keybrute(void){ + PrintAndLog("J_Run's 2nd phase of multiple sector nested authentication key recovery"); + PrintAndLog("You have a known 4 last bytes of a key recovered with mf_nonce_brute tool."); + PrintAndLog("First 2 bytes of key will be bruteforced"); + PrintAndLog(""); + PrintAndLog("Usage: hf mf keybrute [h] "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" target block number"); + PrintAndLog(" target key type"); + PrintAndLog(" candidate key from mf_nonce_brute tool"); + PrintAndLog("samples:"); + PrintAndLog(" hf mf keybrute 1 A 000011223344"); + return 0; +} -int CmdHF14AMifare(const char *Cmd) -{ +int CmdHF14AMifare(const char *Cmd) { uint32_t uid = 0; - uint32_t nt = 0; + uint32_t nt = 0, nr = 0; uint64_t par_list = 0, ks_list = 0, r_key = 0; - uint8_t isOK = 0; - uint8_t keyBlock[8] = {0}; - - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, keyBlock, 8)) { - PrintAndLog("Nt must include 8 HEX symbols"); - return 1; - } - + int16_t isOK = 0; + int tmpchar; + uint8_t blockNo = 0, keytype = MIFARE_AUTH_KEYA; - UsbCommand c = {CMD_READER_MIFARE, {(uint32_t)bytes_to_num(keyBlock, 4), 0, 0}}; -start: - SendCommand(&c); + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare(); - //flush queue - while (ukbhit()) getchar(); + blockNo = param_get8(Cmd, 0); + + cmdp = param_getchar(Cmd, 1); + if (cmdp == 'B' || cmdp == 'b') + keytype = MIFARE_AUTH_KEYB; + + UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keytype}}; // message printf("-------------------------------------------------------------------------\n"); - printf("Executing command. It may take up to 30 min.\n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Executing darkside attack. Expected execution time: 25sec on average :-)\n"); + printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n"); printf("-------------------------------------------------------------------------\n"); + clock_t t1 = clock(); + time_t start, end; + time(&start); +start: + clearCommandBuffer(); + SendCommand(&c); + + //flush queue + while (ukbhit()) { + tmpchar = getchar(); + (void)tmpchar; + } + // wait cycle while (true) { - printf("."); + printf("."); fflush(stdout); if (ukbhit()) { - getchar(); + tmpchar = getchar(); + (void)tmpchar; printf("\naborted via keyboard!\n"); break; } - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000); - if (resp != NULL) { - isOK = resp->arg[0] & 0xff; - - uid = (uint32_t)bytes_to_num(resp->d.asBytes + 0, 4); - nt = (uint32_t)bytes_to_num(resp->d.asBytes + 4, 4); - par_list = bytes_to_num(resp->d.asBytes + 8, 8); - ks_list = bytes_to_num(resp->d.asBytes + 16, 8); - - printf("\n\n"); - PrintAndLog("isOk:%02x", isOK); - if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n"); + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { + isOK = resp.arg[0]; + printf("\n"); + uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4); + nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4); + par_list = bytes_to_num(resp.d.asBytes + 8, 8); + ks_list = bytes_to_num(resp.d.asBytes + 16, 8); + nr = bytes_to_num(resp.d.asBytes + 24, 4); + + switch (isOK) { + case -1 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -2 : PrintAndLog("Card isn't vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; + case -3 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; + case -4 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator seems to be based on the wellknown"); + PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break; + default: ; + } break; } } printf("\n"); - // error if (isOK != 1) return 1; + if (par_list == 0 && ks_list != 0) { + // this special attack when parities is zero, uses checkkeys. Which now with block/keytype option also needs. + // but it uses 0|1 instead of 0x60|0x61... + if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){ + PrintAndLog("Trying again with a different reader nonce..."); + c.arg[0] = false; + goto start; + } else { + PrintAndLog("Found valid key: %012"llx" \n", r_key); + goto END; + } + } + // execute original function from util nonce2key - if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2; - printf("------------------------------------------------------------------\n"); - PrintAndLog("Key found:%012llx \n", r_key); - - num_to_bytes(r_key, 6, keyBlock); - isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key); - if (!isOK) - PrintAndLog("Found valid key:%012llx", r_key); - else - { - PrintAndLog("Found invalid key. ( Nt=%08x ,Trying use it to run again...", nt); - c.arg[0] = nt; + if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) { + isOK = 2; + PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt); + PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce..."); + c.arg[0] = false; goto start; + } else { + + // nonce2key found a candidate key. Lets verify it. + uint8_t keyblock[] = {0,0,0,0,0,0}; + num_to_bytes(r_key, 6, keyblock); + uint64_t key64 = 0; + int res = mfCheckKeys(blockNo, keytype - 0x60 , false, 1, keyblock, &key64); + if ( res > 0 ) { + PrintAndLog("Candidate Key found (%012"llx") - Test authentication failed. [%d] Restarting darkside attack", r_key, res); + goto start; + } + PrintAndLog("Found valid key: %012"llx" \n", r_key); } - +END: + t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); + if ( t1 > 0 ) + PrintAndLog("Time in darkside: %.0f ticks %u seconds\n", (float)t1, elapsed_time); return 0; } -int CmdHF14AMfWrBl(const char *Cmd) -{ +int CmdHF14AMfWrBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; @@ -119,18 +289,18 @@ int CmdHF14AMfWrBl(const char *Cmd) PrintAndLog("Block data must include 32 HEX symbols"); return 1; } - PrintAndLog("--block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); PrintAndLog("--data: %s", sprint_hex(bldata, 16)); - UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; + UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); memcpy(c.d.asBytes + 10, bldata, 16); - SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; + clearCommandBuffer(); + SendCommand(&c); + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; PrintAndLog("isOk:%02x", isOK); } else { PrintAndLog("Command execute timeout"); @@ -139,8 +309,7 @@ int CmdHF14AMfWrBl(const char *Cmd) return 0; } -int CmdHF14AMfRdBl(const char *Cmd) -{ +int CmdHF14AMfRdBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; @@ -165,16 +334,17 @@ int CmdHF14AMfRdBl(const char *Cmd) PrintAndLog("Key must include 12 HEX symbols"); return 1; } - PrintAndLog("--block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6)); - UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; + UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); - SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); + clearCommandBuffer(); + SendCommand(&c); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t * data = resp->d.asBytes; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; if (isOK) PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16)); @@ -187,16 +357,13 @@ int CmdHF14AMfRdBl(const char *Cmd) return 0; } -int CmdHF14AMfRdSc(const char *Cmd) -{ +int CmdHF14AMfRdSc(const char *Cmd) { int i; uint8_t sectorNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t isOK = 0; - uint8_t * data = NULL; - + uint8_t *data = NULL; char cmdp = 0x00; if (strlen(Cmd)<3) { @@ -206,12 +373,12 @@ int CmdHF14AMfRdSc(const char *Cmd) } sectorNo = param_get8(Cmd, 0); - if (sectorNo > 63) { - PrintAndLog("Sector number must be less than 64"); + if (sectorNo > 39) { + PrintAndLog("Sector number must be less than 40"); return 1; } cmdp = param_getchar(Cmd, 1); - if (cmdp == 0x00) { + if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } @@ -220,247 +387,326 @@ int CmdHF14AMfRdSc(const char *Cmd) PrintAndLog("Key must include 12 HEX symbols"); return 1; } - PrintAndLog("--sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6)); + PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6)); - UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; + UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); - SendCommand(&c); - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); + clearCommandBuffer(); + SendCommand(&c); PrintAndLog(" "); - if (resp != NULL) { - isOK = resp->arg[0] & 0xff; - data = resp->d.asBytes; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + isOK = resp.arg[0] & 0xff; + data = resp.d.asBytes; PrintAndLog("isOk:%02x", isOK); - if (isOK) - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); + if (isOK) { + for (i = 0; i < (sectorNo<32?3:15); i++) { + PrintAndLog("data : %s", sprint_hex(data + i * 16, 16)); } + PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16)); + } } else { - PrintAndLog("Command1 execute timeout"); + PrintAndLog("Command execute timeout"); } - // response2 - resp = WaitForResponseTimeout(CMD_ACK, 500); - PrintAndLog(" "); + return 0; +} - if (resp != NULL) { - isOK = resp->arg[0] & 0xff; - data = resp->d.asBytes; +uint8_t FirstBlockOfSector(uint8_t sectorNo) { + if (sectorNo < 32) { + return sectorNo * 4; + } else { + return 32 * 4 + (sectorNo - 32) * 16; + } +} - if (isOK) - for (i = 0; i < 2; i++) { - PrintAndLog("data:%s", sprint_hex(data + i * 16, 16)); - } +uint8_t NumBlocksPerSector(uint8_t sectorNo) { + if (sectorNo < 32) { + return 4; } else { - PrintAndLog("Command2 execute timeout"); + return 16; } - - return 0; } -int CmdHF14AMfDump(const char *Cmd) -{ - int i, j; +int CmdHF14AMfDump(const char *Cmd) { + uint8_t sectorNo, blockNo; uint8_t keyA[40][6]; uint8_t keyB[40][6]; uint8_t rights[40][4]; + uint8_t carddata[256][16]; + uint8_t numSectors = 16; FILE *fin; FILE *fout; - UsbCommand *resp; + UsbCommand resp; + + char cmdp = param_getchar(Cmd, 0); + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mf dump [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("Samples: hf mf dump"); + PrintAndLog(" hf mf dump 4"); + return 0; + } if ((fin = fopen("dumpkeys.bin","rb")) == NULL) { PrintAndLog("Could not find file dumpkeys.bin"); return 1; } - if ((fout = fopen("dumpdata.bin","wb")) == NULL) { - PrintAndLog("Could not create file name dumpdata.bin"); - return 1; + // Read keys A from file + size_t bytes_read; + for (sectorNo=0; sectorNoarg[0] & 0xff; - uint8_t *data = resp->d.asBytes; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; if (isOK){ - rights[i][0] = ((data[7] & 0x10)>>4) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>2); - rights[i][1] = ((data[7] & 0x20)>>5) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>3); - rights[i][2] = ((data[7] & 0x40)>>6) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>4); - rights[i][3] = ((data[7] & 0x80)>>7) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>5); - } - else{ - PrintAndLog("Could not get access rights for block %d", i); + rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0 + rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1 + rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2 + rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer + } else { + PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } - } - else { - PrintAndLog("Command execute timeout"); + } else { + PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } } - // Read blocks and print to file - PrintAndLog("|-----------------------------------------|"); PrintAndLog("|----- Dumping all blocks to file... -----|"); PrintAndLog("|-----------------------------------------|"); - for (i=0 ; i<16 ; i++) { - for (j=0 ; j<4 ; j++) { - if (j == 3){ - UsbCommand c = {CMD_MIFARE_READBL, {i*4 + j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); + bool isOK = true; + for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { + for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + bool received = false; + + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A. + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); - resp = WaitForResponseTimeout(CMD_ACK, 1500); - } - else{ - if ((rights[i][j] == 6) | (rights[i][j] == 5)) { - UsbCommand c = {CMD_MIFARE_READBL, {i*4+j, 1, 0}}; - memcpy(c.d.asBytes, keyB[i], 6); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + } else { // data block. Check if it can be read with key A or key B + uint8_t data_area = sectorNo<32?blockNo:blockNo/5; + if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}}; + memcpy(c.d.asBytes, keyB[sectorNo], 6); SendCommand(&c); - resp = WaitForResponseTimeout(CMD_ACK, 1500); - } - else if (rights[i][j] == 7) { - PrintAndLog("Access rights do not allow reading of sector %d block %d",i,j); - } - else { - UsbCommand c = {CMD_MIFARE_READBL, {i*4+j, 0, 0}}; - memcpy(c.d.asBytes, keyA[i], 6); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + } else if (rights[sectorNo][data_area] == 0x07) { // no key would work + isOK = false; + PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo); + } else { // key A would work + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); - resp = WaitForResponseTimeout(CMD_ACK, 1500); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } } - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - uint8_t *data = resp->d.asBytes; - if (j == 3) { - data[0] = (keyA[i][0]); - data[1] = (keyA[i][1]); - data[2] = (keyA[i][2]); - data[3] = (keyA[i][3]); - data[4] = (keyA[i][4]); - data[5] = (keyA[i][5]); - data[10] = (keyB[i][0]); - data[11] = (keyB[i][1]); - data[12] = (keyB[i][2]); - data[13] = (keyB[i][3]); - data[14] = (keyB[i][4]); - data[15] = (keyB[i][5]); + if (received) { + isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys. + data[0] = (keyA[sectorNo][0]); + data[1] = (keyA[sectorNo][1]); + data[2] = (keyA[sectorNo][2]); + data[3] = (keyA[sectorNo][3]); + data[4] = (keyA[sectorNo][4]); + data[5] = (keyA[sectorNo][5]); + data[10] = (keyB[sectorNo][0]); + data[11] = (keyB[sectorNo][1]); + data[12] = (keyB[sectorNo][2]); + data[13] = (keyB[sectorNo][3]); + data[14] = (keyB[sectorNo][4]); + data[15] = (keyB[sectorNo][5]); } if (isOK) { - fwrite ( data, 1, 16, fout ); - } - else { - PrintAndLog("Could not get access rights for block %d", i); + memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16); + PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo); + } else { + PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo); + break; } } else { - PrintAndLog("Command execute timeout"); + isOK = false; + PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo); + break; } } } - - fclose(fin); - fclose(fout); - - return 0; -} -int CmdHF14AMfRestore(const char *Cmd) -{ + if (isOK) { + if ((fout = fopen("dumpdata.bin","wb")) == NULL) { + PrintAndLog("Could not create file name dumpdata.bin"); + return 1; + } + uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1); + fwrite(carddata, 1, 16*numblocks, fout); + fclose(fout); + fout = NULL; + PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks); + } + + return 0; +} - int i,j; +int CmdHF14AMfRestore(const char *Cmd) { + uint8_t sectorNo,blockNo; uint8_t keyType = 0; - uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - uint8_t keyA[16][6]; - uint8_t keyB[16][6]; + uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; + uint8_t bldata[16] = {0x00}; + uint8_t keyA[40][6]; + uint8_t keyB[40][6]; + uint8_t numSectors; FILE *fdump; FILE *fkeys; - - if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { - PrintAndLog("Could not find file dumpdata.bin"); - return 1; + + char cmdp = param_getchar(Cmd, 0); + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: hf mf restore [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("Samples: hf mf restore"); + PrintAndLog(" hf mf restore 4"); + return 0; } + if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) { PrintAndLog("Could not find file dumpkeys.bin"); return 1; } - for (i=0 ; i<16 ; i++) { - fread(keyA[i], 1, 6, fkeys); + size_t bytes_read; + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + bytes_read = fread( keyA[sectorNo], 1, 6, fkeys ); + if ( bytes_read == 0) { + PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); + fkeys = NULL; + return 2; + } } - for (i=0 ; i<16 ; i++) { - fread(keyB[i], 1, 6, fkeys); + + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + bytes_read = fread( keyB[sectorNo], 1, 6, fkeys ); + if ( bytes_read == 0) { + PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); + fkeys = NULL; + return 2; + } } - + + fclose(fkeys); + + if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { + PrintAndLog("Could not find file dumpdata.bin"); + return 1; + } PrintAndLog("Restoring dumpdata.bin to card"); - for (i=0 ; i<16 ; i++) { - for( j=0 ; j<4 ; j++) { - UsbCommand c = {CMD_MIFARE_WRITEBL, {i*4 + j, keyType, 0}}; - memcpy(c.d.asBytes, key, 6); - - fread(bldata, 1, 16, fdump); + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { + for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}}; + memcpy(c.d.asBytes, key, 6); + bytes_read = fread(bldata, 1, 16, fdump); + if ( bytes_read == 0) { + PrintAndLog("File reading error (dumpdata.bin)."); + fclose(fdump); + fdump = NULL; + return 2; + } - if (j == 3) { - bldata[0] = (keyA[i][0]); - bldata[1] = (keyA[i][1]); - bldata[2] = (keyA[i][2]); - bldata[3] = (keyA[i][3]); - bldata[4] = (keyA[i][4]); - bldata[5] = (keyA[i][5]); - bldata[10] = (keyB[i][0]); - bldata[11] = (keyB[i][1]); - bldata[12] = (keyB[i][2]); - bldata[13] = (keyB[i][3]); - bldata[14] = (keyB[i][4]); - bldata[15] = (keyB[i][5]); + if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer + bldata[0] = (keyA[sectorNo][0]); + bldata[1] = (keyA[sectorNo][1]); + bldata[2] = (keyA[sectorNo][2]); + bldata[3] = (keyA[sectorNo][3]); + bldata[4] = (keyA[sectorNo][4]); + bldata[5] = (keyA[sectorNo][5]); + bldata[10] = (keyB[sectorNo][0]); + bldata[11] = (keyB[sectorNo][1]); + bldata[12] = (keyB[sectorNo][2]); + bldata[13] = (keyB[sectorNo][3]); + bldata[14] = (keyB[sectorNo][4]); + bldata[15] = (keyB[sectorNo][5]); } - PrintAndLog("Writing to block %2d: %s", i*4+j, sprint_hex(bldata, 16)); - - /* - PrintAndLog("Writing to block %2d: %s Confirm? [Y,N]", i*4+j, sprint_hex(bldata, 16)); - - scanf("%c",&ch); - if ((ch != 'y') && (ch != 'Y')){ - PrintAndLog("Aborting !"); - return 1; - } - */ + PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16)); memcpy(c.d.asBytes + 10, bldata, 16); + clearCommandBuffer(); SendCommand(&c); - UsbCommand *resp = WaitForResponseTimeout(CMD_ACK, 1500); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; PrintAndLog("isOk:%02x", isOK); } else { PrintAndLog("Command execute timeout"); @@ -469,56 +715,43 @@ int CmdHF14AMfRestore(const char *Cmd) } fclose(fdump); - fclose(fkeys); + fdump = NULL; return 0; } -int CmdHF14AMfNested(const char *Cmd) -{ +int CmdHF14AMfNested(const char *Cmd) { int i, j, res, iterations; - sector * e_sector = NULL; + sector *e_sector = NULL; uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t trgBlockNo = 0; uint8_t trgKeyType = 0; - uint8_t blDiff = 0; - int SectorsCnt = 0; + uint8_t SectorsCnt = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t keyBlock[16 * 6]; + uint8_t keyBlock[6*6]; uint64_t key64 = 0; - int transferToEml = 0; + bool transferToEml = false; - int createDumpFile = 0; + bool createDumpFile = false; FILE *fkeys; uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - - char cmdp, ctmp; - if (strlen(Cmd)<3) { - PrintAndLog("Usage:"); - PrintAndLog(" all sectors: hf mf nested [t,d]"); - PrintAndLog(" one sector: hf mf nested o "); - PrintAndLog(" [t]"); - PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); - PrintAndLog("t - transfer keys into emulator memory"); - PrintAndLog("d - write keys to binary file"); - PrintAndLog(" "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF t "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF d "); - PrintAndLog(" sample2: hf mf nested o 0 A FFFFFFFFFFFF 4 A"); - return 0; - } + if (strlen(Cmd)<3) return usage_hf14_nested(); + char cmdp, ctmp; cmdp = param_getchar(Cmd, 0); blockNo = param_get8(Cmd, 1); ctmp = param_getchar(Cmd, 2); - if (ctmp == 0x00) { + + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } - if (ctmp != 'A' && ctmp != 'a') keyType = 1; + + if (ctmp != 'A' && ctmp != 'a') + keyType = 1; + if (param_gethex(Cmd, 3, key, 12)) { PrintAndLog("Key must include 12 HEX symbols"); return 1; @@ -528,76 +761,77 @@ int CmdHF14AMfNested(const char *Cmd) cmdp = 'o'; trgBlockNo = param_get8(Cmd, 4); ctmp = param_getchar(Cmd, 5); - if (ctmp == 0x00) { + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Target key type must be A or B"); return 1; } - if (ctmp != 'A' && ctmp != 'a') trgKeyType = 1; + if (ctmp != 'A' && ctmp != 'a') + trgKeyType = 1; } else { + switch (cmdp) { case '0': SectorsCnt = 05; break; case '1': SectorsCnt = 16; break; case '2': SectorsCnt = 32; break; - case '4': SectorsCnt = 64; break; + case '4': SectorsCnt = 40; break; default: SectorsCnt = 16; } } ctmp = param_getchar(Cmd, 4); - if (ctmp == 't' || ctmp == 'T') transferToEml = 1; - else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1; + if (ctmp == 't' || ctmp == 'T') transferToEml = true; + else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true; ctmp = param_getchar(Cmd, 6); transferToEml |= (ctmp == 't' || ctmp == 'T'); transferToEml |= (ctmp == 'd' || ctmp == 'D'); - PrintAndLog("--block no:%02x key type:%02x key:%s etrans:%d", blockNo, keyType, sprint_hex(key, 6), transferToEml); - if (cmdp == 'o') - PrintAndLog("--target block no:%02x target key type:%02x ", trgBlockNo, trgKeyType); - if (cmdp == 'o') { - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) { - PrintAndLog("Nested error."); - return 2; - } - - for (i = 0; i < 16; i++) { - PrintAndLog("count=%d key= %s", i, sprint_hex(keyBlock + i * 6, 6)); - } - - // test keys - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, keyBlock, &key64); - if (res) - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, &keyBlock[6 * 8], &key64); - if (!res) { - PrintAndLog("Found valid key:%012llx", key64); - - // transfer key to the emulator - if (transferToEml) { - mfEmlGetMem(keyBlock, (trgBlockNo / 4) * 4 + 3, 1); - - if (!trgKeyType) - num_to_bytes(key64, 6, keyBlock); - else - num_to_bytes(key64, 6, &keyBlock[10]); - mfEmlSetMem(keyBlock, (trgBlockNo / 4) * 4 + 3, 1); - } - } else { - PrintAndLog("No valid key found"); + int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true); + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break; + case -4 : PrintAndLog("No valid key found"); break; + case -5 : + key64 = bytes_to_num(keyBlock, 6); + + // transfer key to the emulator + if (transferToEml) { + uint8_t sectortrailer; + if (trgBlockNo < 32*4) { // 4 block sector + sectortrailer = (trgBlockNo & 0x03) + 3; + } else { // 16 block sector + sectortrailer = (trgBlockNo & 0x0f) + 15; + } + mfEmlGetMem(keyBlock, sectortrailer, 1); + + if (!trgKeyType) + num_to_bytes(key64, 6, keyBlock); + else + num_to_bytes(key64, 6, &keyBlock[10]); + mfEmlSetMem(keyBlock, sectortrailer, 1); + } + return 0; + default : PrintAndLog("Unknown Error.\n"); } + return 2; } else { // ------------------------------------ multiple sectors working - blDiff = blockNo % 4; - PrintAndLog("Block shift=%d", blDiff); + clock_t t1 = clock(); + unsigned long elapsed_time; + time_t start, end; + time(&start); + e_sector = calloc(SectorsCnt, sizeof(sector)); if (e_sector == NULL) return 1; - //test current key 4 sectors + //test current key and additional standard keys first memcpy(keyBlock, key, 6); - num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 1 * 6)); - num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 2 * 6)); - num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 3 * 6)); - num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 4 * 6)); + num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6)); + num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6)); + num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6)); + num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6)); num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6)); PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt); @@ -605,58 +839,107 @@ int CmdHF14AMfNested(const char *Cmd) for (j = 0; j < 2; j++) { if (e_sector[i].foundKey[j]) continue; - res = mfCheckKeys(i * 4 + blDiff, j, 6, keyBlock, &key64); + res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64); if (!res) { e_sector[i].Key[j] = key64; - e_sector[i].foundKey[j] = 1; + e_sector[i].foundKey[j] = TRUE; } } - } + } + clock_t t2 = clock() - t1; + time(&end); + elapsed_time = difftime(end, start); + if ( t2 > 0 ) + PrintAndLog("Time to check 6 known keys: %.0f ticks %u seconds\n", (float)t2 , elapsed_time); + + PrintAndLog("enter nested..."); // nested sectors iterations = 0; - PrintAndLog("nested..."); + bool calibrate = true; + for (i = 0; i < NESTED_SECTOR_RETRY; i++) { - for (trgBlockNo = blDiff; trgBlockNo < SectorsCnt * 4; trgBlockNo = trgBlockNo + 4) - for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { - if (e_sector[trgBlockNo / 4].foundKey[trgKeyType]) continue; - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock)) continue; - - iterations++; + for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; ++sectorNo) { + for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) { + + if (e_sector[sectorNo].foundKey[trgKeyType]) continue; - //try keys from nested - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, keyBlock, &key64); - if (res) - res = mfCheckKeys(trgBlockNo, trgKeyType, 8, &keyBlock[6 * 8], &key64); - if (!res) { - PrintAndLog("Found valid key:%012llx", key64); - e_sector[trgBlockNo / 4].foundKey[trgKeyType] = 1; - e_sector[trgBlockNo / 4].Key[trgKeyType] = key64; + int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate); + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break; + case -4 : //key not found + calibrate = false; + iterations++; + continue; + case -5 : + calibrate = false; + iterations++; + e_sector[sectorNo].foundKey[trgKeyType] = 1; + e_sector[sectorNo].Key[trgKeyType] = bytes_to_num(keyBlock, 6); + continue; + + default : PrintAndLog("Unknown Error.\n"); } + free(e_sector); + return 2; } + } } + + t1 = clock() - t1; + time(&end); + elapsed_time = difftime(end, start); + if ( t1 > 0 ) + PrintAndLog("Time in nested: %.0f ticks %u seconds\n", (float)t1, elapsed_time); - PrintAndLog("Iterations count: %d", iterations); - //print them - PrintAndLog("|---|----------------|---|----------------|---|"); - PrintAndLog("|sec|key A |res|key B |res|"); - PrintAndLog("|---|----------------|---|----------------|---|"); + + // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag? + PrintAndLog("trying to read key B..."); for (i = 0; i < SectorsCnt; i++) { - PrintAndLog("|%03d| %012llx | %d | %012llx | %d |", i, - e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]); + // KEY A but not KEY B + if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) { + + uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1); + + PrintAndLog("Reading block %d", sectrail); + + UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}}; + num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A + clearCommandBuffer(); + SendCommand(&c); + + UsbCommand resp; + if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue; + + uint8_t isOK = resp.arg[0] & 0xff; + if (!isOK) continue; + + uint8_t *data = resp.d.asBytes; + key64 = bytes_to_num(data+10, 6); + if (key64) { + PrintAndLog("Data:%s", sprint_hex(data+10, 6)); + e_sector[i].foundKey[1] = TRUE; + e_sector[i].Key[1] = key64; + } + } } - PrintAndLog("|---|----------------|---|----------------|---|"); + + + //print them + printKeyTable( SectorsCnt, e_sector ); // transfer them to the emulator if (transferToEml) { for (i = 0; i < SectorsCnt; i++) { - mfEmlGetMem(keyBlock, i * 4 + 3, 1); + mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); if (e_sector[i].foundKey[0]) num_to_bytes(e_sector[i].Key[0], 6, keyBlock); if (e_sector[i].foundKey[1]) num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]); - mfEmlSetMem(keyBlock, i * 4 + 3, 1); + mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); } } @@ -667,8 +950,8 @@ int CmdHF14AMfNested(const char *Cmd) free(e_sector); return 1; } - PrintAndLog("Printing keys to bynary file dumpkeys.bin..."); - for(i=0; i<16; i++) { + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + for(i=0; i/<*card memory> [t] [] []"); - PrintAndLog(" * - all sectors"); - PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); -// PrintAndLog("d - write keys to binary file\n"); - - PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); - PrintAndLog(" hf mf chk *1 ? t"); - return 0; - } + uint64_t defaultKeys[] = { + 0xffffffffffff, // Default key (first key used by program if no user defined key) + 0x000000000000, // Blank key + 0xa0a1a2a3a4a5, // NFCForum MAD key + 0xb0b1b2b3b4b5, + 0xaabbccddeeff, + 0x4d3a99c351dd, + 0x1a982c7e459a, + 0xd3f7d3f7d3f7, + 0x714c5c886e97, + 0x587ee5f9350f, + 0xa0478cc39091, + 0x533cb6c723f6, + 0x8fd0a4f256e9 + }; + int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t); + + for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++) + num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6)); + if (param_getchar(Cmd, 0)=='*') { blockNo = 3; @@ -763,9 +1131,9 @@ int CmdHF14AMfChk(const char *Cmd) case '4': SectorsCnt = 40; break; default: SectorsCnt = 16; } - } - else + } else { blockNo = param_get8(Cmd, 0); + } ctmp = param_getchar(Cmd, 1); switch (ctmp) { @@ -780,6 +1148,7 @@ int CmdHF14AMfChk(const char *Cmd) break; default: PrintAndLog("Key type must be A , B or ?"); + free(keyBlock); return 1; }; @@ -798,29 +1167,26 @@ int CmdHF14AMfChk(const char *Cmd) } keyBlock = p; } - PrintAndLog("chk key[%d] %02x%02x%02x%02x%02x%02x", keycnt, + PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt, (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); keycnt++; } else { // May be a dic file - if ( param_getstr(Cmd, 2 + i,filename) > 255 ) { + if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) { PrintAndLog("File name too long"); free(keyBlock); return 2; } if ( (f = fopen( filename , "r")) ) { - while( !feof(f) ){ - memset(buf, 0, sizeof(buf)); - fgets(buf, sizeof(buf), f); - + while( fgets(buf, sizeof(buf), f) ){ if (strlen(buf) < 12 || buf[11] == '\n') continue; while (fgetc(f) != '\n' && !feof(f)) ; //goto next line - if( buf[0]=='#' ) continue; //The line start with # is remcommnet,skip + if( buf[0]=='#' ) continue; //The line start with # is comment, skip if (!isxdigit(buf[0])){ PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf); @@ -834,148 +1200,544 @@ int CmdHF14AMfChk(const char *Cmd) if (!p) { PrintAndLog("Cannot allocate memory for defKeys"); free(keyBlock); + fclose(f); return 2; } keyBlock = p; } memset(keyBlock + 6 * keycnt, 0, 6); num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt); - PrintAndLog("chk custom key[%d] %012llx", keycnt, bytes_to_num(keyBlock + 6*keycnt, 6)); + PrintAndLog("check key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6)); keycnt++; + memset(buf, 0, sizeof(buf)); } + fclose(f); } else { PrintAndLog("File: %s: not found or locked.", filename); free(keyBlock); return 1; - fclose(f); + } } } if (keycnt == 0) { - PrintAndLog("No key specified,try default keys"); - for (;keycnt <=12; keycnt++) - PrintAndLog("chk default key[%d] %02x%02x%02x%02x%02x%02x", keycnt, - (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], - (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); + PrintAndLog("No key specified, trying default keys"); + for (;keycnt < defaultKeysSize; keycnt++) + PrintAndLog("key[%2d] %02x%02x%02x%02x%02x%02x", keycnt, + (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], + (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); } - for ( int t = !keyType ; t < 2 ; keyType==2?(t++):(t=2) ) { - int b=blockNo; - for (int i=0; i8?8:keycnt; - for (int c = 0; c < keycnt; c+=size) { - size=keycnt-c>8?8:keycnt-c; - res = mfCheckKeys(b, t, size, keyBlock +6*c, &key64); - if (res !=1) { - if (!res) { - PrintAndLog("Found valid key:[%012llx]",key64); - if (transferToEml) { - uint8_t block[16]; - mfEmlGetMem(block, get_trailer_block(b), 1); - num_to_bytes(key64, 6, block + t*10); - mfEmlSetMem(block, get_trailer_block(b), 1); + // initialize storage for found keys + e_sector = calloc(SectorsCnt, sizeof(sector)); + if (e_sector == NULL) { + free(keyBlock); + return 1; + } + + // empty e_sector + for(int i = 0; i < SectorsCnt; ++i){ + e_sector[i].Key[0] = 0xffffffffffff; + e_sector[i].Key[1] = 0xffffffffffff; + e_sector[i].foundKey[0] = FALSE; + e_sector[i].foundKey[1] = FALSE; + } + + + uint8_t trgKeyType = 0; + uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt; + + // time + clock_t t1 = clock(); + time_t start, end; + time(&start); + + // check keys. + for (trgKeyType = !keyType; trgKeyType < 2; (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) { + + int b = blockNo; + for (int i = 0; i < SectorsCnt; ++i) { + + // skip already found keys. + if (e_sector[i].foundKey[trgKeyType]) continue; + + for (uint32_t c = 0; c < keycnt; c += max_keys) { + printf("."); + fflush(stdout); + uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; + + res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64); + if (!res) { + e_sector[i].Key[trgKeyType] = key64; + e_sector[i].foundKey[trgKeyType] = TRUE; + break; + } + } + b < 127 ? ( b +=4 ) : ( b += 16 ); + } + } + t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); + if ( t1 > 0 ) + PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time); + + + // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag? + if ( keyType != 1 ) { + PrintAndLog("testing to read key B..."); + for (i = 0; i < SectorsCnt; i++) { + // KEY A but not KEY B + if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) { + + uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1); + + PrintAndLog("Reading block %d", sectrail); + + UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}}; + num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A + clearCommandBuffer(); + SendCommand(&c); + + UsbCommand resp; + if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue; + + uint8_t isOK = resp.arg[0] & 0xff; + if (!isOK) continue; + + uint8_t *data = resp.d.asBytes; + key64 = bytes_to_num(data+10, 6); + if (key64) { + PrintAndLog("Data:%s", sprint_hex(data+10, 6)); + e_sector[i].foundKey[1] = 1; + e_sector[i].Key[1] = key64; + } + } + } + } + + + //print them + printKeyTable( SectorsCnt, e_sector ); + + if (transferToEml) { + uint8_t block[16] = {0x00}; + for (uint8_t i = 0; i < SectorsCnt; ++i ) { + mfEmlGetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); + if (e_sector[i].foundKey[0]) + num_to_bytes(e_sector[i].Key[0], 6, block); + if (e_sector[i].foundKey[1]) + num_to_bytes(e_sector[i].Key[1], 6, block+10); + mfEmlSetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1); + } + PrintAndLog("Found keys have been transferred to the emulator memory"); + } + + if (createDumpFile) { + FILE *fkeys = fopen("dumpkeys.bin","wb"); + if (fkeys == NULL) { + PrintAndLog("Could not create file dumpkeys.bin"); + free(keyBlock); + free(e_sector); + return 1; + } + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + + for( i=0; i>1) + , exitAfterNReads + , flags + , flags); + + UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads, 0}}; + memcpy(c.d.asBytes, uid, sizeof(uid)); + clearCommandBuffer(); + SendCommand(&c); + UsbCommand resp; + + if(flags & FLAG_INTERACTIVE) { + PrintAndLog("Press pm3-button or send another cmd to abort simulation"); + + while( !ukbhit() ){ + if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue; + if ( !(flags & FLAG_NR_AR_ATTACK) ) break; + if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break; + + memcpy(data, resp.d.asBytes, sizeof(data)); + readerAttack(data[0], setEmulatorMem, verbose); + } + showSectorTable(); + } + return 0; +} + +int CmdHF14AMfSniff(const char *Cmd){ + bool wantLogToFile = FALSE; + bool wantDecrypt = FALSE; + //bool wantSaveToEml = FALSE; TODO + bool wantSaveToEmlFile = FALSE; + + //var + int tmpchar; + int res = 0; + int len = 0; + int blockLen = 0; + int pckNum = 0; + int num = 0; + uint8_t uid[10]; + uint8_t uid_len = 0; + uint8_t atqa[2] = {0x00, 0x00}; + uint8_t sak = 0; + bool isTag = FALSE; + uint8_t *buf = NULL; + uint16_t bufsize = 0; + uint8_t *bufPtr = NULL; + uint16_t traceLen = 0; + + memset(uid, 0x00, sizeof(uid)); + + char ctmp = param_getchar(Cmd, 0); + if ( ctmp == 'h' || ctmp == 'H' ) return usage_hf14_sniff(); + + for (int i = 0; i < 4; i++) { + ctmp = param_getchar(Cmd, i); + if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true; + if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true; + //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO + if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true; + } + + printf("-------------------------------------------------------------------------\n"); + printf("Executing mifare sniffing command. \n"); + printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Press the key on pc keyboard to abort the client.\n"); + printf("-------------------------------------------------------------------------\n"); + + UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}}; + clearCommandBuffer(); + SendCommand(&c); + + // wait cycle + while (true) { + printf("."); + fflush(stdout); + if (ukbhit()) { + tmpchar = getchar(); + (void)tmpchar; + printf("\naborted via keyboard!\n"); + break; + } + + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) { + res = resp.arg[0] & 0xff; + traceLen = resp.arg[1]; + len = resp.arg[2]; + + // we are done? + if (res == 0) { + free(buf); + return 0; + } + + if (res == 1) { // there is (more) data to be transferred + if (pckNum == 0) { // first packet, (re)allocate necessary buffer + if (traceLen > bufsize) { + uint8_t *p; + if (buf == NULL) // not yet allocated + p = malloc(traceLen); + else // need more memory + p = realloc(buf, traceLen); + + if (p == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(buf); + return 2; } - break; + buf = p; } - else { - printf("Not found yet, keycnt:%d\r", c+size); - fflush(stdout); + bufPtr = buf; + bufsize = traceLen; + memset(buf, 0x00, traceLen); + } + if (bufPtr == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(buf); + return 2; + } + // what happens if LEN is bigger then TRACELEN --iceman + memcpy(bufPtr, resp.d.asBytes, len); + bufPtr += len; + pckNum++; + } + + if (res == 2) { // received all data, start displaying + blockLen = bufPtr - buf; + bufPtr = buf; + printf(">\n"); + PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum); + while (bufPtr - buf < blockLen) { + bufPtr += 6; // skip (void) timing information + len = *((uint16_t *)bufPtr); + if(len & 0x8000) { + isTag = true; + len &= 0x7fff; + } else { + isTag = false; } - } else { - PrintAndLog("Command execute timeout"); + bufPtr += 2; + if ((len == 17) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[15] == 0xff) && (bufPtr[16] == 0xff)) { + memcpy(uid, bufPtr + 2, 10); + memcpy(atqa, bufPtr + 2 + 10, 2); + switch (atqa[0] & 0xC0) { + case 0x80: uid_len = 10; break; + case 0x40: uid_len = 7; break; + default: uid_len = 4; break; + } + sak = bufPtr[14]; + PrintAndLog("tag select uid| %s atqa:0x%02x%02x sak:0x%02x", + sprint_hex(uid, uid_len), + atqa[1], + atqa[0], + sak); + if (wantLogToFile || wantDecrypt) { + FillFileNameByUID(logHexFileName, uid, ".log", uid_len); + AddLogCurrentDT(logHexFileName); + } + if (wantDecrypt) + mfTraceInit(uid, uid_len, atqa, sak, wantSaveToEmlFile); + } else { + PrintAndLog("%03d| %s |%s", num, isTag ? "TAG" : "RDR", sprint_hex(bufPtr, len)); + if (wantLogToFile) + AddLogHex(logHexFileName, isTag ? "TAG| ":"RDR| ", bufPtr, len); + if (wantDecrypt) + mfTraceDecode(bufPtr, len, wantSaveToEmlFile); + num++; + } + bufPtr += len; + bufPtr += ((len-1)/8+1); // ignore parity } + pckNum = 0; } - b<127?(b+=4):(b+=16); - } - } + } // resp not NULL + } // while (true) + + free(buf); + return 0; +} + +int CmdHF14AMfDbg(const char *Cmd) { + + char ctmp = param_getchar(Cmd, 0); + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_hf14_dbg(); - free(keyBlock); + uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10); + if (dbgMode > 4) return usage_hf14_dbg(); -/* - // Create dump file - if (createDumpFile) { - if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { - PrintAndLog("Could not create file dumpkeys.bin"); - free(e_sector); - return 1; - } - PrintAndLog("Printing keys to bynary file dumpkeys.bin..."); - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[0]){ - num_to_bytes(e_sector[i].Key[0], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); - } - else{ - fwrite ( &standart, 1, 6, fkeys ); - } - } - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[1]){ - num_to_bytes(e_sector[i].Key[1], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); - } - else{ - fwrite ( &standart, 1, 6, fkeys ); - } - } - fclose(fkeys); - } -*/ - return 0; + UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}}; + SendCommand(&c); + return 0; } -int CmdHF14AMf1kSim(const char *Cmd) -{ - uint8_t uid[4] = {0, 0, 0, 0}; +int CmdHF14AMfKeyBrute(const char *Cmd) { + + uint8_t blockNo = 0, keytype = 0; + uint8_t key[6] = {0, 0, 0, 0, 0, 0}; + uint64_t foundkey = 0; - if (param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf sim "); - PrintAndLog(" sample: hf mf sim 0a0a0a0a "); - return 0; - } + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_keybrute(); - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { - PrintAndLog("UID must include 8 HEX symbols"); - return 1; - } - PrintAndLog(" uid:%s ", sprint_hex(uid, 4)); + // block number + blockNo = param_get8(Cmd, 0); - UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}}; - memcpy(c.d.asBytes, uid, 4); - SendCommand(&c); - - return 0; + // keytype + cmdp = param_getchar(Cmd, 1); + if (cmdp == 'B' || cmdp == 'b') keytype = 1; + + // key + if (param_gethex(Cmd, 2, key, 12)) return usage_hf14_keybrute(); + + clock_t t1 = clock(); + time_t start, end; + time(&start); + + if (mfKeyBrute( blockNo, keytype, key, &foundkey)) + PrintAndLog("Found valid key: %012"llx" \n", foundkey); + else + PrintAndLog("Key not found"); + + t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); + if ( t1 > 0 ) + PrintAndLog("\nTime in keybrute: %.0f ticks %u seconds\n", (float)t1, elapsed_time); + + return 0; } -int CmdHF14AMfDbg(const char *Cmd) -{ - int dbgMode = param_get32ex(Cmd, 0, 0, 10); - if (dbgMode > 4) { - PrintAndLog("Max debud mode parameter is 4 \n"); +void printKeyTable( uint8_t sectorscnt, sector *e_sector ){ + PrintAndLog("|---|----------------|---|----------------|---|"); + PrintAndLog("|sec|key A |res|key B |res|"); + PrintAndLog("|---|----------------|---|----------------|---|"); + for (uint8_t i = 0; i < sectorscnt; ++i) { + PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i, + e_sector[i].Key[0], e_sector[i].foundKey[0], + e_sector[i].Key[1], e_sector[i].foundKey[1] + ); } - - if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) { - PrintAndLog("Usage: hf mf dbg "); - PrintAndLog(" 0 - no debug messages"); - PrintAndLog(" 1 - error messages"); - PrintAndLog(" 2 - all messages"); - PrintAndLog(" 4 - extended debug mode"); - return 0; - } - - UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}}; - SendCommand(&c); - - return 0; + PrintAndLog("|---|----------------|---|----------------|---|"); } +// EMULATOR COMMANDS int CmdHF14AMfEGet(const char *Cmd) { uint8_t blockNo = 0; - uint8_t data[3 * 16]; - int i; + uint8_t data[16] = {0x00}; if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { PrintAndLog("Usage: hf mf eget "); @@ -984,16 +1746,10 @@ int CmdHF14AMfEGet(const char *Cmd) } blockNo = param_get8(Cmd, 0); - if (blockNo >= 32 * 4 + 8 * 16) { - PrintAndLog("Block number must be in [0..255] as in MIFARE classic."); - return 1; - } - PrintAndLog(" "); - if (!mfEmlGetMem(data, blockNo, 3)) { - for (i = 0; i < 3; i++) { - PrintAndLog("data[%d]:%s", blockNo + i, sprint_hex(data + i * 16, 16)); - } + PrintAndLog(""); + if (!mfEmlGetMem(data, blockNo, 1)) { + PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16)); } else { PrintAndLog("Command execute timeout"); } @@ -1009,9 +1765,9 @@ int CmdHF14AMfEClear(const char *Cmd) return 0; } - UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}}; - SendCommand(&c); - return 0; + UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}}; + SendCommand(&c); + return 0; } int CmdHF14AMfESet(const char *Cmd) @@ -1028,10 +1784,6 @@ int CmdHF14AMfESet(const char *Cmd) } blockNo = param_get8(Cmd, 0); - if (blockNo >= 32 * 4 + 8 * 16) { - PrintAndLog("Block number must be in [0..255] as in MIFARE classic."); - return 1; - } if (param_gethex(Cmd, 1, memBlock, 32)) { PrintAndLog("block data must include 32 HEX symbols"); @@ -1039,35 +1791,54 @@ int CmdHF14AMfESet(const char *Cmd) } // 1 - blocks count - UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}}; + UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}}; memcpy(c.d.asBytes, memBlock, 16); - SendCommand(&c); - return 0; + SendCommand(&c); + return 0; } int CmdHF14AMfELoad(const char *Cmd) { FILE * f; - char filename[20]; - char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; - int i, len, blockNum; - - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); - - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { + char filename[FILE_PATH_SIZE]; + char *fnameptr = filename; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; + int i, len, blockNum, numBlocks; + int nameParamNo = 1; + uint8_t blockWidth = 32; + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) { PrintAndLog("It loads emul dump from the file `filename.eml`"); - PrintAndLog("Usage: hf mf eload "); + PrintAndLog("Usage: hf mf eload [card memory] [numblocks]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL"); + PrintAndLog(""); PrintAndLog(" sample: hf mf eload filename"); + PrintAndLog(" hf mf eload 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + case 'U' : // fall through + case 'u' : numBlocks = 255; blockWidth = 8; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + uint32_t numblk2 = param_get32ex(Cmd,2,0,10); + if (numblk2 > 0) numBlocks = numblk2; + + len = param_getstr(Cmd,nameParamNo,filename); + + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; - memcpy(filename, Cmd, len); fnameptr += len; sprintf(fnameptr, ".eml"); @@ -1075,96 +1846,136 @@ int CmdHF14AMfELoad(const char *Cmd) // open file f = fopen(filename, "r"); if (f == NULL) { - PrintAndLog("File not found or locked."); + PrintAndLog("File %s not found or locked", filename); return 1; } blockNum = 0; while(!feof(f)){ memset(buf, 0, sizeof(buf)); - fgets(buf, sizeof(buf), f); - - if (strlen(buf) < 32){ + + if (fgets(buf, sizeof(buf), f) == NULL) { + + if (blockNum >= numBlocks) break; + + PrintAndLog("File reading error."); + fclose(f); + return 2; + } + + if (strlen(buf) < blockWidth){ if(strlen(buf) && feof(f)) break; - PrintAndLog("File content error. Block data must include 32 HEX symbols"); + PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth); + fclose(f); return 2; } - for (i = 0; i < 32; i += 2) - sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); -// PrintAndLog("data[%02d]:%s", blockNum, sprint_hex(buf8, 16)); - - if (mfEmlSetMem(buf8, blockNum, 1)) { - PrintAndLog("Cant set emul block: %d", blockNum); + + for (i = 0; i < blockWidth; i += 2) { + sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); + } + if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) { + PrintAndLog("Cant set emul block: %3d", blockNum); + fclose(f); return 3; } + printf("."); blockNum++; - if (blockNum >= 32 * 4 + 8 * 16) break; + if (blockNum >= numBlocks) break; } fclose(f); + printf("\n"); - if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){ - PrintAndLog("File content error. There must be 64 blocks"); + if ((blockNum != numBlocks)) { + PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks); return 4; } - PrintAndLog("Loaded from file: %s", filename); - return 0; + PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename); + return 0; } int CmdHF14AMfESave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t buf[64]; - int i, j, len; + int i, j, len, numBlocks; + int nameParamNo = 1; memset(filename, 0, sizeof(filename)); memset(buf, 0, sizeof(buf)); - if (param_getchar(Cmd, 0) == 'h') { + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H') { PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`"); - PrintAndLog("Usage: hf mf esave [file name w/o `.eml`]"); + PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); PrintAndLog(" sample: hf mf esave "); - PrintAndLog(" hf mf esave filename"); + PrintAndLog(" hf mf esave 4"); + PrintAndLog(" hf mf esave 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + + len = param_getstr(Cmd,nameParamNo,filename); + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + + // user supplied filename? if (len < 1) { - // get filename + // get filename (UID from memory) if (mfEmlGetMem(buf, 0, 1)) { - PrintAndLog("Cant get block: %d", 0); - return 1; + PrintAndLog("Can\'t get UID from block: %d", 0); + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } + else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02X", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); } else { - memcpy(filename, Cmd, len); fnameptr += len; } + // add file extension sprintf(fnameptr, ".eml"); // open file f = fopen(filename, "w+"); + if ( !f ) { + PrintAndLog("Can't open file %s ", filename); + return 1; + } + // put hex - for (i = 0; i < 32 * 4 + 8 * 16; i++) { + for (i = 0; i < numBlocks; i++) { if (mfEmlGetMem(buf, i, 1)) { PrintAndLog("Cant get block: %d", i); break; } for (j = 0; j < 16; j++) - fprintf(f, "%02x", buf[j]); + fprintf(f, "%02X", buf[j]); fprintf(f,"\n"); } fclose(f); - PrintAndLog("Saved to file: %s", filename); + PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename); return 0; } @@ -1172,140 +1983,208 @@ int CmdHF14AMfESave(const char *Cmd) int CmdHF14AMfECFill(const char *Cmd) { uint8_t keyType = 0; - + uint8_t numSectors = 16; + if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf efill "); - PrintAndLog("sample: hf mf efill A"); - PrintAndLog("Card data blocks transfers to card emulator memory."); - PrintAndLog("Keys must be laid in the simulator memory. \n"); + PrintAndLog("Usage: hf mf ecfill [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog("samples: hf mf ecfill A"); + PrintAndLog(" hf mf ecfill A 4"); + PrintAndLog("Read card and transfer its data to emulator memory."); + PrintAndLog("Keys must be laid in the emulator memory. \n"); return 0; } char ctmp = param_getchar(Cmd, 0); - if (ctmp == 0x00) { + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Key type must be A or B"); return 1; } if (ctmp != 'A' && ctmp != 'a') keyType = 1; - UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {0, keyType, 0}}; - SendCommand(&c); - return 0; + ctmp = param_getchar(Cmd, 1); + switch (ctmp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + + printf("--params: numSectors: %d, keyType:%d", numSectors, keyType); + UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}}; + SendCommand(&c); + return 0; } int CmdHF14AMfEKeyPrn(const char *Cmd) { - int i,b=-1; + int i; + uint8_t numSectors; uint8_t data[16]; uint64_t keyA, keyB; + + char cmdp = param_getchar(Cmd, 0); + + if ( cmdp == 'h' || cmdp == 'H' ) { + PrintAndLog("It prints the keys loaded in the emulator memory"); + PrintAndLog("Usage: hf mf ekeyprn [card memory]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); + PrintAndLog(" sample: hf mf ekeyprn 1"); + return 0; + } + + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } PrintAndLog("|---|----------------|----------------|"); PrintAndLog("|sec|key A |key B |"); PrintAndLog("|---|----------------|----------------|"); - for (i = 0; i < 40; i++) { - b<127?(b+=4):(b+=16); - if (mfEmlGetMem(data, b, 1)) { - PrintAndLog("error get block %d", b); + for (i = 0; i < numSectors; i++) { + if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) { + PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1); break; } keyA = bytes_to_num(data, 6); keyB = bytes_to_num(data + 10, 6); - PrintAndLog("|%03d| %012llx | %012llx |", i, keyA, keyB); + PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB); } PrintAndLog("|---|----------------|----------------|"); return 0; } -int CmdHF14AMfCSetUID(const char *Cmd) -{ +// CHINESE MAGIC COMMANDS + +int CmdHF14AMfCSetUID(const char *Cmd) { uint8_t wipeCard = 0; - uint8_t uid[8]; - uint8_t oldUid[8]; + uint8_t uid[8] = {0x00}; + uint8_t oldUid[8] = {0x00}; + uint8_t atqa[2] = {0x00}; + uint8_t sak[1] = {0x00}; + uint8_t atqaPresent = 1; int res; - - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetuid "); - PrintAndLog("sample: hf mf csetuid 01020304 w"); - PrintAndLog("Set UID for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + char ctmp; + int argi=0; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') { + PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line."); + PrintAndLog(""); + PrintAndLog("Usage: hf mf csetuid [ATQA 4 hex symbols SAK 2 hex symbols] [w]"); + PrintAndLog(""); + PrintAndLog("sample: hf mf csetuid 01020304"); + PrintAndLog(" hf mf csetuid 01020304 0004 08 w"); return 0; - } + } - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { + if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) { PrintAndLog("UID must include 8 HEX symbols"); return 1; } + argi++; - char ctmp = param_getchar(Cmd, 1); - if (ctmp == 'w' || ctmp == 'W') wipeCard = 1; - - PrintAndLog("--wipe card:%02x uid:%s", wipeCard, sprint_hex(uid, 4)); + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + atqaPresent = 0; + } + + if (atqaPresent) { + if (param_getchar(Cmd, argi)) { + if (param_gethex(Cmd, argi, atqa, 4)) { + PrintAndLog("ATQA must include 4 HEX symbols"); + return 1; + } + argi++; + if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) { + PrintAndLog("SAK must include 2 HEX symbols"); + return 1; + } + argi++; + } else + atqaPresent = 0; + } + + if(!wipeCard) { + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + } + } + + PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4)); - res = mfCSetUID(uid, oldUid, wipeCard); + res = mfCSetUID(uid, (atqaPresent) ? atqa : NULL, (atqaPresent) ? sak : NULL, oldUid, wipeCard); if (res) { PrintAndLog("Can't set UID. error=%d", res); return 1; } PrintAndLog("old UID:%s", sprint_hex(oldUid, 4)); + PrintAndLog("new UID:%s", sprint_hex(uid, 4)); return 0; } -int CmdHF14AMfCSetBlk(const char *Cmd) -{ - uint8_t uid[8]; - uint8_t memBlock[16]; +int CmdHF14AMfCSetBlk(const char *Cmd) { + uint8_t block[16] = {0x00}; uint8_t blockNo = 0; + uint8_t params = MAGIC_SINGLE; int res; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetblk "); + PrintAndLog("Usage: hf mf csetblk [w]"); PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516"); - PrintAndLog("Set block data for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + PrintAndLog("Set block data for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line"); return 0; } blockNo = param_get8(Cmd, 0); - if (blockNo >= 32 * 4 + 8 * 16) { - PrintAndLog("Block number must be in [0..255] as in MIFARE classic."); - return 1; - } - if (param_gethex(Cmd, 1, memBlock, 32)) { + if (param_gethex(Cmd, 1, block, 32)) { PrintAndLog("block data must include 32 HEX symbols"); return 1; } - PrintAndLog("--block number:%02x data:%s", blockNo, sprint_hex(memBlock, 16)); + char ctmp = param_getchar(Cmd, 2); + if (ctmp == 'w' || ctmp == 'W') + params |= MAGIC_WIPE; + + PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(block, 16)); - res = mfCSetBlock(blockNo, memBlock, uid, 0, CSETBLOCK_SINGLE_OPER); + res = mfCSetBlock(blockNo, block, NULL, params); if (res) { - PrintAndLog("Can't write block. error=%d", res); - return 1; - } - - PrintAndLog("UID:%s", sprint_hex(uid, 4)); + PrintAndLog("Can't write block. error=%d", res); + return 1; + } return 0; } -int CmdHF14AMfCLoad(const char *Cmd) -{ +int CmdHF14AMfCLoad(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; uint8_t fillFromEmulator = 0; - int i, len, blockNum, flags; - - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); + int i, len, blockNum, flags=0; - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { - PrintAndLog("It loads magic Chinese card (only works with!!!) from the file `filename.eml`"); + memset(filename, 0, sizeof(filename)); + + char ctmp = param_getchar(Cmd, 0); + + if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) { + PrintAndLog("It loads magic Chinese card from the file `filename.eml`"); PrintAndLog("or from emulator memory (option `e`)"); PrintAndLog("Usage: hf mf cload "); PrintAndLog(" or: hf mf cload e "); @@ -1313,21 +2192,19 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } - char ctmp = param_getchar(Cmd, 0); if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) { if (mfEmlGetMem(buf8, blockNum, 1)) { PrintAndLog("Cant get block: %d", blockNum); return 2; } - - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field. - if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + if (mfCSetBlock(blockNum, buf8, NULL, flags)) { PrintAndLog("Cant set magic card block: %d", blockNum); return 3; } @@ -1335,7 +2212,7 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; memcpy(filename, Cmd, len); fnameptr += len; @@ -1350,25 +2227,33 @@ int CmdHF14AMfCLoad(const char *Cmd) } blockNum = 0; - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; while(!feof(f)){ + memset(buf, 0, sizeof(buf)); - fgets(buf, sizeof(buf), f); + + if (fgets(buf, sizeof(buf), f) == NULL) { + fclose(f); + PrintAndLog("File reading error."); + return 2; + } - if (strlen(buf) < 32){ + if (strlen(buf) < 32) { if(strlen(buf) && feof(f)) break; PrintAndLog("File content error. Block data must include 32 HEX symbols"); + fclose(f); return 2; } for (i = 0; i < 32; i += 2) sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field. - if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { - PrintAndLog("Cant set magic card block: %d", blockNum); + if (mfCSetBlock(blockNum, buf8, NULL, flags)) { + PrintAndLog("Can't set magic card block: %d", blockNum); + fclose(f); return 3; } blockNum++; @@ -1377,6 +2262,7 @@ int CmdHF14AMfCLoad(const char *Cmd) } fclose(f); + // 64 or 256blocks. if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){ PrintAndLog("File content error. There must be 64 blocks"); return 4; @@ -1384,49 +2270,48 @@ int CmdHF14AMfCLoad(const char *Cmd) PrintAndLog("Loaded from file: %s", filename); return 0; } + return 0; } int CmdHF14AMfCGetBlk(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t data[16]; uint8_t blockNo = 0; int res; - memset(memBlock, 0x00, sizeof(memBlock)); + memset(data, 0x00, sizeof(data)); + char ctmp = param_getchar(Cmd, 0); - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') { PrintAndLog("Usage: hf mf cgetblk "); PrintAndLog("sample: hf mf cgetblk 1"); - PrintAndLog("Get block data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n"); return 0; } blockNo = param_get8(Cmd, 0); - if (blockNo >= 32 * 4 + 8 * 16) { - PrintAndLog("Block number must be in [0..255] as in MIFARE classic."); - return 1; - } - PrintAndLog("--block number:%02x ", blockNo); + PrintAndLog("--block number:%2d ", blockNo); - res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER); + res = mfCGetBlock(blockNo, data, MAGIC_SINGLE); if (res) { - PrintAndLog("Can't read block. error=%d", res); - return 1; - } + PrintAndLog("Can't read block. error=%d", res); + return 1; + } - PrintAndLog("block data:%s", sprint_hex(memBlock, 16)); + PrintAndLog("data: %s", sprint_hex(data, sizeof(data))); return 0; } int CmdHF14AMfCGetSc(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t data[16]; uint8_t sectorNo = 0; int i, res, flags; - memset(memBlock, 0x00, sizeof(memBlock)); - - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + memset(data, 0x00, sizeof(data)); + char ctmp = param_getchar(Cmd, 0); + + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') { PrintAndLog("Usage: hf mf cgetsc "); PrintAndLog("sample: hf mf cgetsc 0"); - PrintAndLog("Get sector data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n"); return 0; } @@ -1436,20 +2321,20 @@ int CmdHF14AMfCGetSc(const char *Cmd) { return 1; } - PrintAndLog("--sector number:%02x ", sectorNo); + PrintAndLog("--sector number:%d ", sectorNo); + PrintAndLog("block | data"); - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 4; i++) { if (i == 1) flags = 0; - if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (i == 3) flags = MAGIC_HALT + MAGIC_OFF; - res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags); + res = mfCGetBlock(sectorNo * 4 + i, data, flags); if (res) { - PrintAndLog("Can't read block. %02x error=%d", sectorNo * 4 + i, res); + PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res); return 1; - } - - PrintAndLog("block %02x data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); + } + PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data))); } return 0; } @@ -1457,7 +2342,7 @@ int CmdHF14AMfCGetSc(const char *Cmd) { int CmdHF14AMfCSave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t fillFromEmulator = 0; uint8_t buf[64]; @@ -1465,8 +2350,9 @@ int CmdHF14AMfCSave(const char *Cmd) { memset(filename, 0, sizeof(filename)); memset(buf, 0, sizeof(buf)); - - if (param_getchar(Cmd, 0) == 'h') { + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H' ) { PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`"); PrintAndLog("or into emulator memory (option `e`)"); PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]"); @@ -1475,16 +2361,14 @@ int CmdHF14AMfCSave(const char *Cmd) { PrintAndLog(" hf mf esave e \n"); return 0; } - - char ctmp = param_getchar(Cmd, 0); if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { // put into emulator - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 16 * 4; i++) { if (i == 1) flags = 0; - if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; if (mfCGetBlock(i, buf, flags)) { PrintAndLog("Cant get block: %d", i); @@ -1499,31 +2383,40 @@ int CmdHF14AMfCSave(const char *Cmd) { return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; + // get filename based on UID if (len < 1) { - // get filename - if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) { + + if (mfCGetBlock(0, buf, MAGIC_SINGLE)) { PrintAndLog("Cant get block: %d", 0); - return 1; + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02x", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); } else { memcpy(filename, Cmd, len); fnameptr += len; } + // add .eml extension sprintf(fnameptr, ".eml"); // open file f = fopen(filename, "w+"); + if (f == NULL) { + PrintAndLog("File not found or locked."); + return 1; + } + // put hex - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 16 * 4; i++) { if (i == 1) flags = 0; - if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; if (mfCGetBlock(i, buf, flags)) { PrintAndLog("Cant get block: %d", i); @@ -1533,170 +2426,71 @@ int CmdHF14AMfCSave(const char *Cmd) { fprintf(f, "%02x", buf[j]); fprintf(f,"\n"); } + fflush(f); fclose(f); - PrintAndLog("Saved to file: %s", filename); - return 0; } } -int CmdHF14AMfSniff(const char *Cmd){ - // params - bool wantLogToFile = 0; - bool wantDecrypt = 0; - bool wantSaveToEml = 0; - bool wantSaveToEmlFile = 0; +//needs nt, ar, at, Data to decrypt +int CmdHf14MfDecryptBytes(const char *Cmd){ + uint8_t data[50]; + uint32_t nt = param_get32ex(Cmd,0,0,16); + uint32_t ar_enc = param_get32ex(Cmd,1,0,16); + uint32_t at_enc = param_get32ex(Cmd,2,0,16); - //var - int res = 0; int len = 0; - int blockLen = 0; - int num = 0; - int pckNum = 0; - uint8_t uid[8]; - uint8_t atqa[2]; - uint8_t sak; - bool isTag; - uint32_t parity; - uint8_t buf[3000]; - uint8_t * bufPtr = buf; - memset(buf, 0x00, 3000); + param_gethex_ex(Cmd, 3, data, &len); - if (param_getchar(Cmd, 0) == 'h') { - PrintAndLog("It continuously get data from the field and saves it to: log, emulator, emulator file."); - PrintAndLog("You can specify:"); - PrintAndLog(" l - save encrypted sequence to logfile `uid.log`"); - PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`"); - PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); - PrintAndLog(" r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); - PrintAndLog("Usage: hf mf sniff [l][d][e][r]"); - PrintAndLog(" sample: hf mf sniff l d e"); - return 0; - } + len /= 2; + int limit = sizeof(data) / 2; - for (int i = 0; i < 4; i++) { - char ctmp = param_getchar(Cmd, i); - if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true; - if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true; - if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; - if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true; - } + if ( len >= limit ) + len = limit; - printf("-------------------------------------------------------------------------\n"); - printf("Executing command. \n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); - printf("Press the key on pc keyboard to abort the client.\n"); - printf("-------------------------------------------------------------------------\n"); - - UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}}; - SendCommand(&c); - - // wait cycle - while (true) { - printf("."); - fflush(stdout); - if (ukbhit()) { - getchar(); - printf("\naborted via keyboard!\n"); - break; - } - - UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000); - if (resp != NULL) { - res = resp->arg[0] & 0xff; - len = resp->arg[1]; - num = resp->arg[2]; - - if (res == 0) return 0; - if (res == 1) { - if (num ==0) { - bufPtr = buf; - memset(buf, 0x00, 3000); - } - memcpy(bufPtr, resp->d.asBytes, len); - bufPtr += len; - pckNum++; - } - if (res == 2) { - blockLen = bufPtr - buf; - bufPtr = buf; - printf(">\n"); - PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum); - num = 0; - while (bufPtr - buf + 9 < blockLen) { - isTag = bufPtr[3] & 0x80 ? true:false; - bufPtr += 4; - parity = *((uint32_t *)(bufPtr)); - bufPtr += 4; - len = bufPtr[0]; - bufPtr++; - if ((len == 14) && (bufPtr[0] = 0xff) && (bufPtr[1] = 0xff)) { - memcpy(uid, bufPtr + 2, 7); - memcpy(atqa, bufPtr + 2 + 7, 2); - sak = bufPtr[11]; - - PrintAndLog("tag select uid:%s atqa:%02x %02x sak:0x%02x", sprint_hex(uid, 7), atqa[0], atqa[1], sak); - if (wantLogToFile) { - FillFileNameByUID(logHexFileName, uid, ".log", 7); - AddLogCurrentDT(logHexFileName); - } - if (wantDecrypt) mfTraceInit(uid, atqa, sak, wantSaveToEmlFile); - } else { - PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len)); - if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); - if (wantDecrypt) mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile); - } - bufPtr += len; - num++; - } - } - } // resp not NILL - } // while (true) - return 0; + return tryDecryptWord( nt, ar_enc, at_enc, data, len); } -static command_t CommandTable[] = -{ - {"help", CmdHelp, 1, "This help"}, - {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"}, - {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, - {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, - {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, - {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, - {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, - {"chk", CmdHF14AMfChk, 0, "Test block keys"}, - {"mifare", CmdHF14AMifare, 0, "Read parity error messages. param - "}, - {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, - {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"}, - {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"}, - {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, - {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"}, - {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"}, - {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"}, - {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"}, - {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"}, - {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"}, - {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"}, - {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block into magic Chinese card"}, - {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block from magic Chinese card"}, - {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector from magic Chinese card"}, - {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"}, - {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, - {NULL, NULL, 0, NULL} +static command_t CommandTable[] = { + {"help", CmdHelp, 1, "This help"}, + {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"}, + {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, + {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, + {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, + {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, + {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, + {"chk", CmdHF14AMfChk, 0, "Check keys"}, + {"mifare", CmdHF14AMifare, 0, "Darkside attack. read parity error messages."}, + {"nested", CmdHF14AMfNested, 0, "Nested attack. Test nested authentication"}, + {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"}, + {"keybrute", CmdHF14AMfKeyBrute, 0, "J_Run's 2nd phase of multiple sector nested authentication key recovery"}, + {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"}, + {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"}, + {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"}, + {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"}, + {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"}, + {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"}, + {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"}, + {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"}, + {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"}, + {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"}, + {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"}, + {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"}, + {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"}, + {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"}, + {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, + {"decrypt", CmdHf14MfDecryptBytes, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"}, + {NULL, NULL, 0, NULL} }; -int CmdHFMF(const char *Cmd) -{ - // flush - while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ; - - CmdsParse(CommandTable, Cmd); - return 0; +int CmdHFMF(const char *Cmd) { + clearCommandBuffer(); + CmdsParse(CommandTable, Cmd); + return 0; } -int CmdHelp(const char *Cmd) -{ - CmdsHelp(CommandTable); - return 0; +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }