+ uint8_t trgKeyType = 0;\r
+ uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;\r
+ \r
+ // time\r
+ clock_t t1 = clock();\r
+ time_t start, end;\r
+ time(&start);\r
+ \r
+ // check keys.\r
+ for (trgKeyType = !keyType; trgKeyType < 2; (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) {\r
+\r
+ int b = blockNo;\r
+ for (int i = 0; i < SectorsCnt; ++i) {\r
+ \r
+ // skip already found keys.\r
+ if (e_sector[i].foundKey[trgKeyType]) continue;\r
+ \r
+ for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
+ printf(".");\r
+ fflush(stdout); \r
+ uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
+ \r
+ res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);\r
+ if (!res) {\r
+ e_sector[i].Key[trgKeyType] = key64;\r
+ e_sector[i].foundKey[trgKeyType] = TRUE;\r
+ break;\r
+ }\r
+ }\r
+ b < 127 ? ( b +=4 ) : ( b += 16 ); \r
+ }\r
+ }\r
+ t1 = clock() - t1;\r
+ time(&end);\r
+ unsigned long elapsed_time = difftime(end, start); \r
+ if ( t1 > 0 )\r
+ PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
+\r
+ \r
+ // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag?\r
+ if ( keyType != 1 ) {\r
+ PrintAndLog("testing to read key B...");\r
+ for (i = 0; i < SectorsCnt; i++) {\r
+ // KEY A but not KEY B\r
+ if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {\r
+ \r
+ uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
+ \r
+ PrintAndLog("Reading block %d", sectrail);\r
+ \r
+ UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};\r
+ num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A\r
+ clearCommandBuffer();\r
+ SendCommand(&c);\r
+\r
+ UsbCommand resp;\r
+ if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;\r
+ \r
+ uint8_t isOK = resp.arg[0] & 0xff;\r
+ if (!isOK) continue;\r
+\r
+ uint8_t *data = resp.d.asBytes;\r
+ key64 = bytes_to_num(data+10, 6);\r
+ if (key64) {\r
+ PrintAndLog("Data:%s", sprint_hex(data+10, 6));\r
+ e_sector[i].foundKey[1] = 1;\r
+ e_sector[i].Key[1] = key64;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+\r
+ //print them\r
+ printKeyTable( SectorsCnt, e_sector );\r
+ \r
+ if (transferToEml) {\r
+ uint8_t block[16] = {0x00};\r
+ for (uint8_t i = 0; i < SectorsCnt; ++i ) {\r
+ mfEmlGetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
+ if (e_sector[i].foundKey[0])\r
+ num_to_bytes(e_sector[i].Key[0], 6, block);\r
+ if (e_sector[i].foundKey[1])\r
+ num_to_bytes(e_sector[i].Key[1], 6, block+10);\r
+ mfEmlSetMem(block, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\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
+ free(e_sector);\r
+ return 1;\r
+ }\r
+ PrintAndLog("Printing keys to binary file dumpkeys.bin...");\r
+ \r
+ for( i=0; i<SectorsCnt; i++) {\r
+ num_to_bytes(e_sector[i].Key[0], 6, tempkey);\r
+ fwrite ( tempkey, 1, 6, fkeys );\r
+ }\r
+ for(i=0; i<SectorsCnt; i++) {\r
+ num_to_bytes(e_sector[i].Key[1], 6, tempkey);\r
+ fwrite ( tempkey, 1, 6, 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
+ free(e_sector);\r
+ PrintAndLog("");\r
+ return 0;\r
+}\r
+#define ATTACK_KEY_COUNT 8\r
+sector *k_sector = NULL;\r
+uint8_t k_sectorsCount = 16;\r
+void readerAttack(nonces_t data[], bool setEmulatorMem) {\r
+\r
+ // initialize storage for found keys\r
+ if (k_sector == NULL)\r
+ k_sector = calloc(k_sectorsCount, sizeof(sector));\r
+ if (k_sector == NULL) \r
+ return;\r
+\r
+ uint64_t key = 0;\r
+ \r
+ // empty e_sector\r
+ for(int i = 0; i < k_sectorsCount; ++i){\r
+ k_sector[i].Key[0] = 0xffffffffffff;\r
+ k_sector[i].Key[1] = 0xffffffffffff;\r
+ k_sector[i].foundKey[0] = FALSE;\r
+ k_sector[i].foundKey[1] = FALSE;\r
+ }\r
+\r
+ printf("enter reader attack\n");\r
+ for (uint8_t i = 0; i < ATTACK_KEY_COUNT; ++i) {\r
+ if (data[i].ar2 > 0) {\r
+ \r
+ if (tryMfk32(data[i], &key)) {\r
+ PrintAndLog("Found Key%s for sector %02d: [%012"llx"]"\r
+ , (data[i].keytype) ? "B" : "A"\r
+ , data[i].sector\r
+ , key\r
+ );\r
+\r
+ k_sector[i].Key[data[i].keytype] = key;\r
+ k_sector[i].foundKey[data[i].keytype] = TRUE;\r
+ \r
+ //set emulator memory for keys\r
+ if (setEmulatorMem) {\r
+ uint8_t memBlock[16] = {0,0,0,0,0,0, 0xff, 0x0F, 0x80, 0x69, 0,0,0,0,0,0};\r
+ num_to_bytes( k_sector[i].Key[0], 6, memBlock);\r
+ num_to_bytes( k_sector[i].Key[1], 6, memBlock+10);\r
+ mfEmlSetMem( memBlock, i*4 + 3, 1);\r
+ PrintAndLog("Setting Emulator Memory Block %02d: [%s]"\r
+ , i*4 + 3\r
+ , sprint_hex( memBlock, sizeof(memBlock))\r
+ );\r
+ }\r
+ break;\r
+ }\r
+ //moebius attack \r
+ // if (tryMfk32_moebius(data[i+ATTACK_KEY_COUNT], &key)) {\r
+ // PrintAndLog("M-Found Key%s for sector %02d: [%012"llx"]"\r
+ // ,(data[i+ATTACK_KEY_COUNT].keytype) ? "B" : "A"\r
+ // , data[i+ATTACK_KEY_COUNT].sector\r
+ // , key\r
+ // );\r
+ // }\r
+ }\r
+ }\r
+}\r
+\r
+int CmdHF14AMf1kSim(const char *Cmd) {\r
+\r
+ uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};\r
+ uint8_t exitAfterNReads = 0;\r
+ uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA);\r
+ int uidlen = 0; \r
+ bool setEmulatorMem = false;\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
+ cmdp++;\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, cmdp+1);\r
+ cmdp += 2;\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;\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
+ PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) "\r
+ , (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen>>1)\r
+ , exitAfterNReads\r
+ , flags\r
+ , 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 or send another cmd to abort simulation");\r
+\r
+ nonces_t data[ATTACK_KEY_COUNT*2];\r
+ UsbCommand resp; \r
+\r
+ while( !ukbhit() ){\r
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;\r
+\r
+ if ( !(flags & FLAG_NR_AR_ATTACK) ) break;\r
+ if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;\r
+\r
+ memcpy( data, resp.d.asBytes, sizeof(data) ); \r
+ readerAttack(data, setEmulatorMem);\r
+ }\r
+ \r
+ if (k_sector != NULL) {\r
+ printKeyTable(k_sectorsCount, k_sector );\r
+ free(k_sector);\r
+ }\r
+ }\r
+ return 0;\r
+}\r
+\r
+int CmdHF14AMfSniff(const char *Cmd){\r
+ bool wantLogToFile = FALSE;\r
+ bool wantDecrypt = FALSE;\r
+ //bool wantSaveToEml = FALSE; TODO\r
+ bool wantSaveToEmlFile = FALSE;\r
+\r
+ //var \r
+ int tmpchar;\r
+ int res = 0;\r
+ int len = 0;\r
+ int blockLen = 0;\r
+ int pckNum = 0;\r
+ int num = 0;\r
+ uint8_t uid[10];\r
+ uint8_t uid_len = 0;\r
+ uint8_t atqa[2] = {0x00, 0x00};\r
+ uint8_t sak = 0;\r
+ bool isTag = FALSE;\r
+ uint8_t *buf = NULL;\r
+ uint16_t bufsize = 0;\r
+ uint8_t *bufPtr = NULL;\r
+ uint16_t traceLen = 0;\r
+ \r
+ memset(uid, 0x00, sizeof(uid));\r
+ \r
+ char ctmp = param_getchar(Cmd, 0);\r
+ if ( ctmp == 'h' || ctmp == 'H' ) return usage_hf14_sniff();\r
+ \r
+ for (int i = 0; i < 4; i++) {\r
+ ctmp = param_getchar(Cmd, i);\r
+ if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;\r
+ if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;\r
+ //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO\r
+ if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;\r
+ }\r
+ \r
+ printf("-------------------------------------------------------------------------\n");\r
+ printf("Executing mifare sniffing command. \n");\r
+ printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");\r
+ printf("Press the key on pc keyboard to abort the client.\n");\r
+ printf("-------------------------------------------------------------------------\n");\r
+\r
+ UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};\r
+ clearCommandBuffer();\r
+ SendCommand(&c);\r
+\r
+ // wait cycle\r
+ while (true) {\r
+ printf(".");\r
+ fflush(stdout);\r
+ if (ukbhit()) {\r
+ tmpchar = getchar();\r
+ (void)tmpchar;\r
+ printf("\naborted via keyboard!\n");\r
+ break;\r
+ }\r
+ \r
+ UsbCommand resp;\r
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {\r
+ res = resp.arg[0] & 0xff;\r
+ traceLen = resp.arg[1];\r
+ len = resp.arg[2];\r
+\r
+ // we are done?\r
+ if (res == 0) {\r
+ free(buf);\r
+ return 0;\r
+ }\r
+\r
+ if (res == 1) { // there is (more) data to be transferred\r
+ if (pckNum == 0) { // first packet, (re)allocate necessary buffer\r
+ if (traceLen > bufsize) {\r
+ uint8_t *p;\r
+ if (buf == NULL) // not yet allocated\r
+ p = malloc(traceLen);\r
+ else // need more memory\r
+ p = realloc(buf, traceLen);\r
+ \r
+ if (p == NULL) {\r
+ PrintAndLog("Cannot allocate memory for trace");\r
+ free(buf);\r
+ return 2;\r
projects / proxmark3-svn / blobdiff