X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/12d708fec157dfde6f94d61e5fdc265713a71578..e7902ca0a5984f873e45fb4af3c2e40b173efb73:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 53e71743..3142fcd8 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -9,6 +9,8 @@ //----------------------------------------------------------------------------- #include "cmdhfmf.h" +#include "cmdhfmfhard.h" +#include "nonce2key/nonce2key.h" static int CmdHelp(const char *Cmd); @@ -17,45 +19,66 @@ int CmdHF14AMifare(const char *Cmd) uint32_t uid = 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}; - - UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}}; + int16_t isOK = 0; + int tmpchar; + uint8_t blockNo = 0; + + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'H' || cmdp == 'h') { + PrintAndLog("Usage: hf mf mifare "); + PrintAndLog(" sample: hf mf mifare 0"); + return 0; + } + + blockNo = param_get8(Cmd, 0); + UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 0}}; // message printf("-------------------------------------------------------------------------\n"); printf("Executing command. Expected execution time: 25sec on average :-)\n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n"); printf("-------------------------------------------------------------------------\n"); + clock_t t1 = clock(); start: clearCommandBuffer(); SendCommand(&c); //flush queue - while (ukbhit()) getchar(); + while (ukbhit()) { + tmpchar = getchar(); + (void)tmpchar; + } // wait cycle while (true) { printf("."); fflush(stdout); if (ukbhit()) { - getchar(); + tmpchar = getchar(); + (void)tmpchar; printf("\naborted via keyboard!\n"); break; } UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { - isOK = resp.arg[0] & 0xff; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { + isOK = resp.arg[0]; + printf("\n\n"); + switch (isOK) { + case -1 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; + case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; + case -4 : PrintAndLog("Card is not 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: ; + } 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); - printf("\n\n"); - if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n"); break; } } @@ -69,25 +92,16 @@ start: 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); - } else { - printf("------------------------------------------------------------------\n"); - PrintAndLog("Key found:%012"llx" \n", r_key); - - num_to_bytes(r_key, 6, keyBlock); - isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key); - } - - if (!isOK) - PrintAndLog("Found valid key:%012"llx, r_key); - else - { - if (isOK != 2) PrintAndLog("Found invalid key. "); 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 { + PrintAndLog("Found valid key: %012"llx" \n", r_key); } - PrintAndLog(""); + t1 = clock() - t1; + if ( t1 > 0 ) + PrintAndLog("Time in darkside: %.0f ticks - %4.2f sec\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC); return 0; } @@ -124,10 +138,11 @@ int CmdHF14AMfWrBl(const char *Cmd) 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); + clearCommandBuffer(); + SendCommand(&c); UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { @@ -168,9 +183,10 @@ int CmdHF14AMfRdBl(const char *Cmd) } 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); + clearCommandBuffer(); + SendCommand(&c); UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { @@ -223,6 +239,7 @@ int CmdHF14AMfRdSc(const char *Cmd) UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); + clearCommandBuffer(); SendCommand(&c); PrintAndLog(" "); @@ -303,8 +320,10 @@ int CmdHF14AMfDump(const char *Cmd) } // Read keys A from file + size_t bytes_read; for (sectorNo=0; sectorNo 0 ) + PrintAndLog("Time to check 6 known keys: %.0f ticks %4.2f sec", (float)t2, ((float)t2)/CLOCKS_PER_SEC); + + PrintAndLog("enter nested..."); // nested sectors iterations = 0; - PrintAndLog("nested..."); bool calibrate = true; + for (i = 0; i < NESTED_SECTOR_RETRY; i++) { - for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { - for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { + for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; ++sectorNo) { + for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) { + if (e_sector[sectorNo].foundKey[trgKeyType]) continue; - PrintAndLog("-----------------------------------------------"); - if(mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate)) { - PrintAndLog("Nested error.\n"); - free(e_sector); - return 2; } - else { - calibrate = false; - } - iterations++; - - key64 = bytes_to_num(keyBlock, 6); - if (key64) { - PrintAndLog("Found valid key:%012"llx, key64); - e_sector[sectorNo].foundKey[trgKeyType] = 1; - e_sector[sectorNo].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 (random numbers are 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; } } } - - printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC); - PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations); - //print them - PrintAndLog("|---|----------------|---|----------------|---|"); - PrintAndLog("|sec|key A |res|key B |res|"); - PrintAndLog("|---|----------------|---|----------------|---|"); + t1 = clock() - t1; + if ( t1 > 0 ) + PrintAndLog("Time in nested: %.0f ticks %4.2f sec (%4.2f sec per key)\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/iterations/CLOCKS_PER_SEC); + + // 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| %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]); + // 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) { @@ -775,14 +829,130 @@ int CmdHF14AMfNested(const char *Cmd) return 0; } +int CmdHF14AMfNestedHard(const char *Cmd) +{ + uint8_t blockNo = 0; + uint8_t keyType = 0; + uint8_t trgBlockNo = 0; + uint8_t trgKeyType = 0; + uint8_t key[6] = {0, 0, 0, 0, 0, 0}; + uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0}; + + char ctmp; + ctmp = param_getchar(Cmd, 0); + + if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) { + 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(" 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(" "); + PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w"); + PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s"); + PrintAndLog(" sample4: hf mf hardnested r"); + 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; + } + + bool know_target_key = false; + bool nonce_file_read = false; + bool nonce_file_write = false; + bool slow = false; + int tests = 0; + + + if (ctmp == 'R' || ctmp == 'r') { + nonce_file_read = true; + if (!param_gethex(Cmd, 1, trgkey, 12)) { + know_target_key = true; + } + } else if (ctmp == 'T' || ctmp == 't') { + tests = param_get32ex(Cmd, 1, 100, 10); + } else { + blockNo = param_get8(Cmd, 0); + ctmp = param_getchar(Cmd, 1); + 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 (param_gethex(Cmd, 2, key, 12)) { + PrintAndLog("Key must include 12 HEX symbols"); + return 1; + } + + trgBlockNo = param_get8(Cmd, 3); + ctmp = param_getchar(Cmd, 4); + 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; + } + + uint16_t i = 5; + + if (!param_gethex(Cmd, 5, trgkey, 12)) { + know_target_key = true; + i++; + } + + while ((ctmp = param_getchar(Cmd, i))) { + if (ctmp == 's' || ctmp == 'S') { + slow = true; + } else if (ctmp == 'w' || ctmp == 'W') { + nonce_file_write = true; + } else { + PrintAndLog("Possible options are w and/or s"); + return 1; + } + i++; + } + } + + PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ", + trgBlockNo, + trgKeyType?'B':'A', + trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5], + know_target_key?"":" (not set)", + nonce_file_write?"write":nonce_file_read?"read":"none", + slow?"Yes":"No", + tests); + + int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests); + + if (isOK) { + switch (isOK) { + case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case 2 : PrintAndLog("Button pressed. Aborted.\n"); break; + default : break; + } + return 2; + } + + return 0; +} + int CmdHF14AMfChk(const char *Cmd) { if (strlen(Cmd)<3) { PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); 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("t - write keys to emulator memory"); + PrintAndLog("d - write keys to binary file"); + PrintAndLog("t - write keys to emulator memory\n"); PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); PrintAndLog(" hf mf chk *1 ? t"); PrintAndLog(" hf mf chk *1 ? d"); @@ -795,6 +965,8 @@ int CmdHF14AMfChk(const char *Cmd) uint8_t *keyBlock = NULL, *p; uint8_t stKeyBlock = 20; + sector *e_sector = NULL; + int i, res; int keycnt = 0; char ctmp = 0x00; @@ -803,14 +975,15 @@ int CmdHF14AMfChk(const char *Cmd) uint8_t keyType = 0; uint64_t key64 = 0; + uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + int transferToEml = 0; int createDumpFile = 0; keyBlock = calloc(stKeyBlock, 6); if (keyBlock == NULL) return 1; - uint64_t defaultKeys[] = - { + uint64_t defaultKeys[] = { 0xffffffffffff, // Default key (first key used by program if no user defined key) 0x000000000000, // Blank key 0xa0a1a2a3a4a5, // NFCForum MAD key @@ -828,9 +1001,8 @@ int CmdHF14AMfChk(const char *Cmd) 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; @@ -841,9 +1013,9 @@ 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) { @@ -858,6 +1030,7 @@ int CmdHF14AMfChk(const char *Cmd) break; default: PrintAndLog("Key type must be A , B or ?"); + free(keyBlock); return 1; }; @@ -876,7 +1049,7 @@ int CmdHF14AMfChk(const char *Cmd) } keyBlock = p; } - PrintAndLog("chk key[%2d] %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++; @@ -909,13 +1082,14 @@ 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[%2d] %012"llx, 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)); } @@ -932,88 +1106,155 @@ int CmdHF14AMfChk(const char *Cmd) if (keycnt == 0) { PrintAndLog("No key specified, trying default keys"); for (;keycnt < defaultKeysSize; keycnt++) - PrintAndLog("chk default key[%2d] %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); } // initialize storage for found keys - bool validKey[2][40]; - uint8_t foundKey[2][40][6]; - for (uint16_t t = 0; t < 2; t++) { - for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { - validKey[t][sectorNo] = false; - for (uint16_t i = 0; i < 6; i++) { - foundKey[t][sectorNo][i] = 0xff; - } - } + e_sector = calloc(SectorsCnt, sizeof(sector)); + if (e_sector == NULL) { + free(keyBlock); + return 1; } + + 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(); - for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) { - int b=blockNo; + // check keys. + for (trgKeyType = 0; trgKeyType < 2; ++trgKeyType) { + + int b = blockNo; for (int i = 0; i < SectorsCnt; ++i) { - PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt); - uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt; - for (uint32_t c = 0; c < keycnt; c+=max_keys) { - uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c; - res = mfCheckKeys(b, t, size, &keyBlock[6*c], &key64); - if (res != 1) { - if (!res) { - PrintAndLog("Found valid key:[%012"llx"]",key64); - num_to_bytes(key64, 6, foundKey[t][i]); - validKey[t][i] = true; - } - } else { - PrintAndLog("Command execute timeout"); + + // skip already found keys. + if (e_sector[i].foundKey[trgKeyType]) continue; + + + for (uint32_t c = 0; c < keycnt; c += max_keys) { + + uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; + + res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64); + if (!res) { + //PrintAndLog("Sector:%3d Block:%3d, key type: %C -- Found key [%012"llx"]", i, b, trgKeyType ? 'B':'A', key64); + + e_sector[i].Key[trgKeyType] = key64; + e_sector[i].foundKey[trgKeyType] = TRUE; + break; + } else { + e_sector[i].Key[trgKeyType] = 0xffffffffffff; + e_sector[i].foundKey[trgKeyType] = FALSE; } } - b<127?(b+=4):(b+=16); + b < 127 ? ( b +=4 ) : ( b += 16 ); } } + + t1 = clock() - t1; + if ( t1 > 0 ) + printf("Time in checkkeys: %.0f ticks %1.2f sec (%1.2f sec per key)\n\n", (float)t1, ((float)t1)/CLOCKS_PER_SEC, ((float)t1)/keycnt/CLOCKS_PER_SEC); - if (transferToEml) { - uint8_t block[16]; - for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { - if (validKey[0][sectorNo] || validKey[1][sectorNo]) { - mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); - for (uint16_t t = 0; t < 2; t++) { - if (validKey[t][sectorNo]) { - memcpy(block + t*10, foundKey[t][sectorNo], 6); - } - } - mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag? + PrintAndLog("testing to read 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; } } - PrintAndLog("Found keys have been transferred to the emulator memory"); } + + //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; } - for (uint16_t t = 0; t < 2; t++) { - fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys); + PrintAndLog("Printing keys to binary file dumpkeys.bin..."); + + for( i=0; i n i x"); PrintAndLog(" h this help"); @@ -1023,7 +1264,6 @@ int CmdHF14AMf1kSim(const char *Cmd) PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)"); PrintAndLog(""); PrintAndLog(" sample: hf mf sim u 0a0a0a0a "); - PrintAndLog(" : hf mf sim u 0a0a0a0a i x"); return 0; } uint8_t pnr = 0; @@ -1039,10 +1279,12 @@ int CmdHF14AMf1kSim(const char *Cmd) } pnr +=2; } + if (param_getchar(Cmd, pnr) == 'n') { exitAfterNReads = param_get8(Cmd,pnr+1); pnr += 2; } + if (param_getchar(Cmd, pnr) == 'i' ) { //Using a flag to signal interactiveness, least significant bit flags |= FLAG_INTERACTIVE; @@ -1053,26 +1295,60 @@ int CmdHF14AMf1kSim(const char *Cmd) //Using a flag to signal interactiveness, least significant bit flags |= FLAG_NR_AR_ATTACK; } + PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ", flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4): flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A" - , exitAfterNReads, flags,flags); + , exitAfterNReads + , flags + , flags); UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}}; memcpy(c.d.asBytes, uid, sizeof(uid)); + clearCommandBuffer(); SendCommand(&c); if(flags & FLAG_INTERACTIVE) - { - UsbCommand resp; - PrintAndLog("Press pm3-button to abort simulation"); - while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - //We're waiting only 1.5 s at a time, otherwise we get the - // annoying message about "Waiting for a response... " + { + uint8_t data[40]; + uint8_t key[6]; + + UsbCommand resp; + 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; + + memset(data, 0x00, sizeof(data)); + memset(key, 0x00, sizeof(key)); + int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1]; + + memcpy(data, resp.d.asBytes, len); + + uint64_t corr_uid = 0; + + // this IF? what was I thinking of? + if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) { + corr_uid = ((uint64_t)(data[3] << 24)) | (data[2] << 16) | (data[1] << 8) | data[0]; + tryMfk32(corr_uid, data, key); + } else { + corr_uid |= (uint64_t)data[2] << 48; + corr_uid |= (uint64_t)data[1] << 40; + corr_uid |= (uint64_t)data[0] << 32; + corr_uid |= (uint64_t)data[7] << 24; + corr_uid |= (uint64_t)data[6] << 16; + corr_uid |= (uint64_t)data[5] << 8; + corr_uid |= (uint64_t)data[4]; + tryMfk64(corr_uid, data, key); + } + PrintAndLog("--"); } } - return 0; } @@ -1094,10 +1370,10 @@ int CmdHF14AMfDbg(const char *Cmd) return 0; } - UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}}; - SendCommand(&c); + UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}}; + SendCommand(&c); - return 0; + return 0; } int CmdHF14AMfEGet(const char *Cmd) @@ -1131,12 +1407,11 @@ 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) { uint8_t memBlock[16]; @@ -1164,7 +1439,6 @@ int CmdHF14AMfESet(const char *Cmd) return 0; } - int CmdHF14AMfELoad(const char *Cmd) { FILE * f; @@ -1174,13 +1448,13 @@ int CmdHF14AMfELoad(const char *Cmd) 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 == 0x00) { + if ( ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) { PrintAndLog("It loads emul dump from the file `filename.eml`"); - PrintAndLog("Usage: hf mf eload [card memory] "); - PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + 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"); @@ -1193,15 +1467,19 @@ int CmdHF14AMfELoad(const char *Cmd) 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) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; fnameptr += len; @@ -1227,19 +1505,18 @@ int CmdHF14AMfELoad(const char *Cmd) return 2; } - if (strlen(buf) < 32){ + 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) { + for (i = 0; i < blockWidth; i += 2) { sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); } - - if (mfEmlSetMem(buf8, blockNum, 1)) { + if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) { PrintAndLog("Cant set emul block: %3d", blockNum); fclose(f); return 3; @@ -1260,7 +1537,6 @@ int CmdHF14AMfELoad(const char *Cmd) return 0; } - int CmdHF14AMfESave(const char *Cmd) { FILE * f; @@ -1300,17 +1576,20 @@ int CmdHF14AMfESave(const char *Cmd) len = param_getstr(Cmd,nameParamNo,filename); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; // user supplied filename? if (len < 1) { // get filename (UID from memory) if (mfEmlGetMem(buf, 0, 1)) { PrintAndLog("Can\'t get UID from block: %d", 0); - sprintf(filename, "dump.eml"); + 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 { fnameptr += len; } @@ -1343,7 +1622,6 @@ int CmdHF14AMfESave(const char *Cmd) return 0; } - int CmdHF14AMfECFill(const char *Cmd) { uint8_t keyType = 0; @@ -1383,15 +1661,16 @@ int CmdHF14AMfECFill(const char *Cmd) return 0; } - int CmdHF14AMfEKeyPrn(const char *Cmd) { int i; uint8_t numSectors; uint8_t data[16]; uint64_t keyA, keyB; + + char cmdp = param_getchar(Cmd, 0); - if (param_getchar(Cmd, 0) == 'h') { + 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"); @@ -1400,8 +1679,6 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) return 0; } - char cmdp = param_getchar(Cmd, 0); - switch (cmdp) { case '0' : numSectors = 5; break; case '1' : @@ -1428,7 +1705,6 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) return 0; } - int CmdHF14AMfCSetUID(const char *Cmd) { uint8_t wipeCard = 0; @@ -1500,50 +1776,55 @@ int CmdHF14AMfCSetUID(const char *Cmd) int CmdHF14AMfCSetBlk(const char *Cmd) { - //uint8_t uid[8] = {0x00}; - uint8_t memBlock[16] = {0x00}; + uint8_t block[16] = {0x00}; uint8_t blockNo = 0; + uint8_t params = MAGIC_SINGLE; int res; 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 (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:%2d 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, memBlock, NULL, 0, CSETBLOCK_SINGLE_OPER); + res = mfCSetBlock(blockNo, block, NULL, params); if (res) { - PrintAndLog("Can't write block. error=%d", res); - return 1; - } - + PrintAndLog("Can't write block. error=%d", res); + return 1; + } return 0; } - int CmdHF14AMfCLoad(const char *Cmd) { FILE * f; - char filename[FILE_PATH_SIZE] = {0x00}; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; char buf[64] = {0x00}; uint8_t buf8[64] = {0x00}; uint8_t fillFromEmulator = 0; - int i, len, blockNum, flags; + int i, len, blockNum, flags=0; + + memset(filename, 0, sizeof(filename)); + + char ctmp = param_getchar(Cmd, 0); - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { + 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 "); @@ -1552,7 +1833,6 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } - char ctmp = param_getchar(Cmd, 0); if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { @@ -1561,11 +1841,11 @@ int CmdHF14AMfCLoad(const char *Cmd) PrintAndLog("Cant get block: %d", blockNum); return 2; } - if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + 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 = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field. + 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; } @@ -1573,7 +1853,7 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } else { len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5; memcpy(filename, Cmd, len); fnameptr += len; @@ -1593,6 +1873,7 @@ int CmdHF14AMfCLoad(const char *Cmd) memset(buf, 0, sizeof(buf)); if (fgets(buf, sizeof(buf), f) == NULL) { + fclose(f); PrintAndLog("File reading error."); return 2; } @@ -1601,17 +1882,19 @@ int CmdHF14AMfCLoad(const char *Cmd) 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 == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + 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 = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field. + if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field. - if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + if (mfCSetBlock(blockNum, buf8, NULL, flags)) { PrintAndLog("Can't set magic card block: %d", blockNum); + fclose(f); return 3; } blockNum++; @@ -1620,6 +1903,7 @@ 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; @@ -1631,15 +1915,16 @@ int CmdHF14AMfCLoad(const char *Cmd) } 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; } @@ -1647,26 +1932,27 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { 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] = {0x00}; + uint8_t data[16]; uint8_t sectorNo = 0; int i, res, flags; - - 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; } @@ -1677,37 +1963,37 @@ int CmdHF14AMfCGetSc(const char *Cmd) { } 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. %d error=%d", sectorNo * 4 + i, res); return 1; - } - - PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); + } + PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data))); } return 0; } - int CmdHF14AMfCSave(const char *Cmd) { FILE * f; - char filename[FILE_PATH_SIZE] = {0x00}; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t fillFromEmulator = 0; - uint8_t buf[64] = {0x00}; + uint8_t buf[64]; int i, j, len, flags; - // memset(filename, 0, sizeof(filename)); - // memset(buf, 0, sizeof(buf)); - - if (param_getchar(Cmd, 0) == 'h') { + memset(filename, 0, sizeof(filename)); + memset(buf, 0, sizeof(buf)); + 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]"); @@ -1716,16 +2002,14 @@ 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); @@ -1740,21 +2024,25 @@ int CmdHF14AMfCSave(const char *Cmd) { return 0; } else { len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + 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 @@ -1766,10 +2054,10 @@ int CmdHF14AMfCSave(const char *Cmd) { } // 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); @@ -1779,15 +2067,13 @@ 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){ bool wantLogToFile = 0; @@ -1796,6 +2082,7 @@ int CmdHF14AMfSniff(const char *Cmd){ bool wantSaveToEmlFile = 0; //var + int tmpchar; int res = 0; int len = 0; int blockLen = 0; @@ -1846,7 +2133,8 @@ int CmdHF14AMfSniff(const char *Cmd){ printf("."); fflush(stdout); if (ukbhit()) { - getchar(); + tmpchar = getchar(); + (void)tmpchar; printf("\naborted via keyboard!\n"); break; } @@ -1857,7 +2145,10 @@ int CmdHF14AMfSniff(const char *Cmd){ uint16_t traceLen = resp.arg[1]; len = resp.arg[2]; - if (res == 0) return 0; // we are done + if (res == 0) { + free(buf); + return 0; // we are done + } if (res == 1) { // there is (more) data to be transferred if (pckNum == 0) { // first packet, (re)allocate necessary buffer @@ -1879,6 +2170,11 @@ int CmdHF14AMfSniff(const char *Cmd){ bufsize = traceLen; memset(buf, 0x00, traceLen); } + if (bufPtr == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(buf); + return 2; + } memcpy(bufPtr, resp.d.asBytes, len); bufPtr += len; pckNum++; @@ -1935,48 +2231,66 @@ int CmdHF14AMfSniff(const char *Cmd){ return 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); -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."}, - {"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 - 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"}, - {NULL, NULL, 0, NULL} + int len = 0; + param_gethex_ex(Cmd, 3, data, &len); + + len /= 2; + int limit = sizeof(data) / 2; + + if ( len >= limit ) + len = limit; + + 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."}, + {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, + {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"}, + {"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) -{ +int CmdHFMF(const char *Cmd) { // flush - WaitForResponseTimeout(CMD_ACK,NULL,100); - - CmdsParse(CommandTable, Cmd); - return 0; + clearCommandBuffer(); + //WaitForResponseTimeout(CMD_ACK,NULL,100); + CmdsParse(CommandTable, Cmd); + return 0; } -int CmdHelp(const char *Cmd) -{ - CmdsHelp(CommandTable); - return 0; +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }