+ \r
+ if (param_getchar(Cmd, 0)=='*') {\r
+ blockNo = 3;\r
+ switch(param_getchar(Cmd+1, 0)) {\r
+ case '0': SectorsCnt = 5; break;\r
+ case '1': SectorsCnt = 16; break;\r
+ case '2': SectorsCnt = 32; break;\r
+ case '4': SectorsCnt = 40; break;\r
+ default: SectorsCnt = 16;\r
+ }\r
+ }\r
+ else\r
+ blockNo = param_get8(Cmd, 0);\r
+ \r
+ ctmp = param_getchar(Cmd, 1);\r
+ switch (ctmp) { \r
+ case 'a': case 'A':\r
+ keyType = !0;\r
+ break;\r
+ case 'b': case 'B':\r
+ keyType = !1;\r
+ break;\r
+ case '?':\r
+ keyType = 2;\r
+ break;\r
+ default:\r
+ PrintAndLog("Key type must be A , B or ?");\r
+ return 1;\r
+ };\r
+ \r
+ ctmp = param_getchar(Cmd, 2);\r
+ if (ctmp == 't' || ctmp == 'T') transferToEml = 1;\r
+ else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;\r
+ \r
+ for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {\r
+ if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r
+ if ( stKeyBlock - keycnt < 2) {\r
+ p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
+ if (!p) {\r
+ PrintAndLog("Cannot allocate memory for Keys");\r
+ free(keyBlock);\r
+ return 2;\r
+ }\r
+ keyBlock = p;\r
+ }\r
+ PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
+ (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
+ (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r
+ keycnt++;\r
+ } else {\r
+ // May be a dic file\r
+ if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {\r
+ PrintAndLog("File name too long");\r
+ free(keyBlock);\r
+ return 2;\r
+ }\r
+ \r
+ if ( (f = fopen( filename , "r")) ) {\r
+ while( fgets(buf, sizeof(buf), f) ){\r
+ if (strlen(buf) < 12 || buf[11] == '\n')\r
+ continue;\r
+ \r
+ while (fgetc(f) != '\n' && !feof(f)) ; //goto next line\r
+ \r
+ if( buf[0]=='#' ) continue; //The line start with # is comment, skip\r
+\r
+ if (!isxdigit(buf[0])){\r
+ PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
+ continue;\r
+ }\r
+ \r
+ buf[12] = 0;\r
+\r
+ if ( stKeyBlock - keycnt < 2) {\r
+ p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
+ if (!p) {\r
+ PrintAndLog("Cannot allocate memory for defKeys");\r
+ free(keyBlock);\r
+ fclose(f);\r
+ return 2;\r
+ }\r
+ keyBlock = p;\r
+ }\r
+ memset(keyBlock + 6 * keycnt, 0, 6);\r
+ num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
+ PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
+ keycnt++;\r
+ memset(buf, 0, sizeof(buf));\r
+ }\r
+ fclose(f);\r
+ } else {\r
+ PrintAndLog("File: %s: not found or locked.", filename);\r
+ free(keyBlock);\r
+ return 1;\r
+ \r
+ }\r
+ }\r
+ }\r
+ \r
+ if (keycnt == 0) {\r
+ PrintAndLog("No key specified, trying default keys");\r
+ for (;keycnt < defaultKeysSize; keycnt++)\r
+ PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
+ (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
+ (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);\r
+ }\r
+ \r
+ // initialize storage for found keys\r
+ bool validKey[2][40];\r
+ uint8_t foundKey[2][40][6];\r
+ for (uint16_t t = 0; t < 2; t++) {\r
+ for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
+ validKey[t][sectorNo] = false;\r
+ for (uint16_t i = 0; i < 6; i++) {\r
+ foundKey[t][sectorNo][i] = 0xff;\r
+ }\r
+ }\r
+ }\r
+ \r
+ for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {\r
+ int b=blockNo;\r
+ for (int i = 0; i < SectorsCnt; ++i) {\r
+ PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);\r
+ uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;\r
+ for (uint32_t c = 0; c < keycnt; c+=max_keys) {\r
+ uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;\r
+ res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);\r
+ if (res != 1) {\r
+ if (!res) {\r
+ PrintAndLog("Found valid key:[%012" PRIx64 "]",key64);\r
+ num_to_bytes(key64, 6, foundKey[t][i]);\r
+ validKey[t][i] = true;\r
+ } \r
+ } else {\r
+ PrintAndLog("Command execute timeout");\r
+ }\r
+ }\r
+ b<127?(b+=4):(b+=16); \r
+ }\r
+ }\r
+\r
+ if (transferToEml) {\r
+ uint8_t block[16];\r
+ for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
+ if (validKey[0][sectorNo] || validKey[1][sectorNo]) {\r
+ mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
+ for (uint16_t t = 0; t < 2; t++) {\r
+ if (validKey[t][sectorNo]) {\r
+ memcpy(block + t*10, foundKey[t][sectorNo], 6);\r
+ }\r
+ }\r
+ mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
+ }\r
+ }\r
+ PrintAndLog("Found keys have been transferred to the emulator memory");\r
+ }\r
+\r
+ if (createDumpFile) {\r
+ FILE *fkeys = fopen("dumpkeys.bin","wb");\r
+ if (fkeys == NULL) { \r
+ PrintAndLog("Could not create file dumpkeys.bin");\r
+ free(keyBlock);\r
+ return 1;\r
+ }\r
+ for (uint16_t t = 0; t < 2; t++) {\r
+ fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);\r
+ }\r
+ fclose(fkeys);\r
+ PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");\r
+ }\r
+\r
+ free(keyBlock);\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+\r
+void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {\r
+ #define ATTACK_KEY_COUNT 8 // keep same as define in iso14443a.c -> Mifare1ksim()\r
+ uint64_t key = 0;\r
+ typedef struct {\r
+ uint64_t keyA;\r
+ uint64_t keyB;\r
+ } st_t;\r
+ st_t sector_trailer[ATTACK_KEY_COUNT];\r
+ memset(sector_trailer, 0x00, sizeof(sector_trailer));\r
+\r
+ uint8_t stSector[ATTACK_KEY_COUNT];\r
+ memset(stSector, 0x00, sizeof(stSector));\r
+ uint8_t key_cnt[ATTACK_KEY_COUNT];\r
+ memset(key_cnt, 0x00, sizeof(key_cnt));\r
+\r
+ for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {\r
+ if (ar_resp[i].ar2 > 0) {\r
+ //PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2);\r
+ if (doStandardAttack && mfkey32(ar_resp[i], &key)) {\r
+ PrintAndLog(" Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));\r
+\r
+ for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {\r
+ if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {\r
+ if (ar_resp[i].keytype==0) {\r
+ //keyA\r
+ sector_trailer[ii].keyA = key;\r
+ stSector[ii] = ar_resp[i].sector;\r
+ key_cnt[ii]++;\r
+ break;\r
+ } else {\r
+ //keyB\r
+ sector_trailer[ii].keyB = key;\r
+ stSector[ii] = ar_resp[i].sector;\r
+ key_cnt[ii]++;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {\r
+ uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;\r
+ uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;\r
+\r
+ PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"\r
+ , keyType ? "B" : "A"\r
+ , sectorNum\r
+ , key\r
+ );\r
+\r
+ for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {\r
+ if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {\r
+ if (keyType==0) {\r
+ //keyA\r
+ sector_trailer[ii].keyA = key;\r
+ stSector[ii] = sectorNum;\r
+ key_cnt[ii]++;\r
+ break;\r
+ } else {\r
+ //keyB\r
+ sector_trailer[ii].keyB = key;\r
+ stSector[ii] = sectorNum;\r
+ key_cnt[ii]++;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ continue;\r
+ }\r
+ }\r
+ }\r
+ //set emulator memory for keys\r
+ if (setEmulatorMem) {\r
+ for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {\r
+ if (key_cnt[i]>0) {\r
+ uint8_t memBlock[16];\r
+ memset(memBlock, 0x00, sizeof(memBlock));\r
+ char cmd1[36];\r
+ memset(cmd1,0x00,sizeof(cmd1));\r
+ snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF));\r
+ PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);\r
+ if (param_gethex(cmd1, 0, memBlock, 32)) {\r
+ PrintAndLog("block data must include 32 HEX symbols");\r
+ return;\r
+ }\r
+ \r
+ UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};\r
+ memcpy(c.d.asBytes, memBlock, 16);\r
+ clearCommandBuffer();\r
+ SendCommand(&c); \r
+ }\r
+ }\r
+ }\r
+ /*\r
+ //un-comment to use as well moebius attack\r
+ for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {\r
+ if (ar_resp[i].ar2 > 0) {\r
+ if (tryMfk32_moebius(ar_resp[i], &key)) {\r
+ PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));\r
+ }\r
+ }\r
+ }*/\r
+}\r
+\r
+int usage_hf14_mf1ksim(void) {\r
+ PrintAndLog("Usage: hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> i x");\r
+ PrintAndLog("options:");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" u (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used");\r
+ PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
+ PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
+ PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r
+ PrintAndLog(" e (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");\r
+ PrintAndLog(" f (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");\r
+ PrintAndLog(" r (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");\r
+ PrintAndLog("samples:");\r
+ PrintAndLog(" hf mf sim u 0a0a0a0a");\r
+ PrintAndLog(" hf mf sim u 11223344556677");\r
+ PrintAndLog(" hf mf sim u 112233445566778899AA");\r
+ PrintAndLog(" hf mf sim f uids.txt");\r
+ PrintAndLog(" hf mf sim u 0a0a0a0a e");\r
+ \r
+ return 0;\r
+}\r
+\r
+int CmdHF14AMf1kSim(const char *Cmd) {\r
+ UsbCommand resp;\r
+ uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
+ uint8_t exitAfterNReads = 0;\r
+ uint8_t flags = 0;\r
+ int uidlen = 0;\r
+ uint8_t pnr = 0;\r
+ bool setEmulatorMem = false;\r
+ bool attackFromFile = false;\r
+ FILE *f;\r
+ char filename[FILE_PATH_SIZE];\r
+ memset(filename, 0x00, sizeof(filename));\r
+ int len = 0;\r
+ char buf[64];\r
+\r
+ uint8_t cmdp = 0;\r
+ bool errors = false;\r
+\r
+ while(param_getchar(Cmd, cmdp) != 0x00) {\r
+ switch(param_getchar(Cmd, cmdp)) {\r
+ case 'e':\r
+ case 'E':\r
+ setEmulatorMem = true;\r
+ //implies x and i\r
+ flags |= FLAG_INTERACTIVE;\r
+ flags |= FLAG_NR_AR_ATTACK;\r
+ cmdp++;\r
+ break;\r
+ case 'f':\r
+ case 'F':\r
+ len = param_getstr(Cmd, cmdp+1, filename);\r
+ if (len < 1) {\r
+ PrintAndLog("error no filename found");\r
+ return 0;\r
+ }\r
+ attackFromFile = true;\r
+ //implies x and i\r
+ flags |= FLAG_INTERACTIVE;\r
+ flags |= FLAG_NR_AR_ATTACK;\r
+ cmdp += 2;\r
+ break;\r
+ case 'h':\r
+ case 'H':\r
+ return usage_hf14_mf1ksim();\r
+ case 'i':\r
+ case 'I':\r
+ flags |= FLAG_INTERACTIVE;\r
+ cmdp++;\r
+ break;\r
+ case 'n':\r
+ case 'N':\r
+ exitAfterNReads = param_get8(Cmd, pnr+1);\r
+ cmdp += 2;\r
+ break;\r
+ case 'r':\r
+ case 'R':\r
+ flags |= FLAG_RANDOM_NONCE;\r
+ cmdp++;\r
+ break;\r
+ case 'u':\r
+ case 'U':\r
+ param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);\r
+ switch(uidlen) {\r
+ case 20: flags = FLAG_10B_UID_IN_DATA; break; //not complete\r
+ case 14: flags = FLAG_7B_UID_IN_DATA; break;\r
+ case 8: flags = FLAG_4B_UID_IN_DATA; break;\r
+ default: return usage_hf14_mf1ksim();\r
+ }\r
+ cmdp += 2;\r
+ break;\r
+ case 'x':\r
+ case 'X':\r
+ flags |= FLAG_NR_AR_ATTACK;\r
+ cmdp++;\r
+ break;\r
+ default:\r
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+ errors = true;\r
+ break;\r
+ }\r
+ if(errors) break;\r
+ }\r
+ //Validations\r
+ if(errors) return usage_hf14_mf1ksim();\r
+\r
+ //get uid from file\r
+ if (attackFromFile) {\r
+ int count = 0;\r
+ // open file\r
+ f = fopen(filename, "r");\r
+ if (f == NULL) {\r
+ PrintAndLog("File %s not found or locked", filename);\r
+ return 1;\r
+ }\r
+ PrintAndLog("Loading file and simulating. Press keyboard to abort");\r
+ while(!feof(f) && !ukbhit()){\r
+ memset(buf, 0, sizeof(buf));\r
+ memset(uid, 0, sizeof(uid));\r
+\r
+ if (fgets(buf, sizeof(buf), f) == NULL) { \r
+ if (count > 0) break;\r
+ \r
+ PrintAndLog("File reading error.");\r
+ fclose(f);\r
+ return 2;\r
+ }\r
+ if(!strlen(buf) && feof(f)) break;\r
+\r
+ uidlen = strlen(buf)-1;\r
+ switch(uidlen) {\r
+ case 20: flags |= FLAG_10B_UID_IN_DATA; break; //not complete\r
+ case 14: flags |= FLAG_7B_UID_IN_DATA; break;\r
+ case 8: flags |= FLAG_4B_UID_IN_DATA; break;\r
+ default: \r
+ PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);\r
+ fclose(f);\r
+ return 2;\r
+ }\r
+\r
+ for (uint8_t i = 0; i < uidlen; i += 2) {\r
+ sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);\r
+ }\r
+ \r
+ PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",\r
+ flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):\r
+ flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): \r
+ flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"\r
+ , exitAfterNReads, flags, flags);\r
+\r
+ UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};\r
+ memcpy(c.d.asBytes, uid, sizeof(uid));\r
+ clearCommandBuffer();\r
+ SendCommand(&c);\r
+\r
+ while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
+ //We're waiting only 1.5 s at a time, otherwise we get the\r
+ // annoying message about "Waiting for a response... "\r
+ }\r
+ //got a response\r
+ nonces_t ar_resp[ATTACK_KEY_COUNT*2];\r
+ memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));\r
+ // We can skip the standard attack if we have RANDOM_NONCE set.\r
+ readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));\r
+ if ((bool)resp.arg[1]) {\r
+ PrintAndLog("Device button pressed - quitting");\r
+ fclose(f);\r
+ return 4;\r
+ }\r
+ count++;\r
+ }\r
+ fclose(f);\r
+ } else { //not from file\r
+\r
+ PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ",\r
+ flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):\r
+ flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): \r
+ flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"\r
+ , exitAfterNReads, flags, flags);\r
+\r
+ UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};\r
+ memcpy(c.d.asBytes, uid, sizeof(uid));\r
+ clearCommandBuffer();\r
+ SendCommand(&c);\r
+\r
+ if(flags & FLAG_INTERACTIVE) {\r
+ PrintAndLog("Press pm3-button to abort simulation");\r
+ while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
+ //We're waiting only 1.5 s at a time, otherwise we get the\r
+ // annoying message about "Waiting for a response... "\r
+ }\r
+ //got a response\r
+ if (flags & FLAG_NR_AR_ATTACK) {\r
+ nonces_t ar_resp[ATTACK_KEY_COUNT*2];\r
+ memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));\r
+ // We can skip the standard attack if we have RANDOM_NONCE set.\r
+ readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));\r
+ }\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+int CmdHF14AMfDbg(const char *Cmd)\r
+{\r
+ int dbgMode = param_get32ex(Cmd, 0, 0, 10);\r
+ if (dbgMode > 4) {\r
+ PrintAndLog("Max debug mode parameter is 4 \n");\r
+ }\r
+\r
+ if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {\r
+ PrintAndLog("Usage: hf mf dbg <debug level>");\r
+ PrintAndLog(" 0 - no debug messages");\r
+ PrintAndLog(" 1 - error messages");\r
+ PrintAndLog(" 2 - plus information messages");\r
+ PrintAndLog(" 3 - plus debug messages");\r
+ PrintAndLog(" 4 - print even debug messages in timing critical functions");\r
+ PrintAndLog(" Note: this option therefore may cause malfunction itself");\r
+ return 0;\r
+ } \r
+\r
+ UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r
+ SendCommand(&c);\r
+\r
projects / proxmark3-svn / blobdiff