//-----------------------------------------------------------------------------\r
\r
#include "cmdhfmf.h"\r
-#include "cmdhfmfhard.h"\r
-#include "nonce2key/nonce2key.h"\r
\r
static int CmdHelp(const char *Cmd);\r
int usage_hf14_mifare(void){\r
- PrintAndLog("Usage: hf mf mifare [h] <block number>");\r
+ PrintAndLog("Usage: hf mf mifare [h] <block number> <A|B>");\r
PrintAndLog("options:");\r
- PrintAndLog(" h this help");\r
- PrintAndLog(" <block number> (Optional) target other key A than block 0.");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" <block number> (Optional) target other block");\r
+ PrintAndLog(" <A|B> (optional) target key type");\r
PrintAndLog("samples:");\r
PrintAndLog(" hf mf mifare");\r
PrintAndLog(" hf mf mifare 16");\r
+ PrintAndLog(" hf mf mifare 16 B");\r
return 0;\r
}\r
int usage_hf14_mf1ksim(void){\r
PrintAndLog(" hf mf chk *1 ? d -- target all blocks, all keys, 1K, write to file");\r
return 0;\r
}\r
+int usage_hf14_keybrute(void){\r
+ PrintAndLog("J_Run's 2nd phase of multiple sector nested authentication key recovery");\r
+ PrintAndLog("You have a known 4 last bytes of a key recovered with mf_nonce_brute tool.");\r
+ PrintAndLog("First 2 bytes of key will be bruteforced");\r
+ PrintAndLog("");\r
+ PrintAndLog("Usage: hf mf keybrute [h] <block number> <A|B> <key>");\r
+ PrintAndLog("options:");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" <block number> target block number");\r
+ PrintAndLog(" <A|B> target key type");\r
+ PrintAndLog(" <key> candidate key from mf_nonce_brute tool");\r
+ PrintAndLog("samples:");\r
+ PrintAndLog(" hf mf keybrute 1 A 000011223344");\r
+ return 0;\r
+}\r
\r
int CmdHF14AMifare(const char *Cmd) {\r
uint32_t uid = 0;\r
uint64_t par_list = 0, ks_list = 0, r_key = 0;\r
int16_t isOK = 0;\r
int tmpchar; \r
- uint8_t blockNo = 0;\r
+ uint8_t blockNo = 0, keytype = MIFARE_AUTH_KEYA;\r
\r
char cmdp = param_getchar(Cmd, 0); \r
if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare();\r
\r
- blockNo = param_get8(Cmd, 0);\r
- UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 0}};\r
+ blockNo = param_get8(Cmd, 0); \r
+ \r
+ cmdp = param_getchar(Cmd, 1);\r
+ if (cmdp == 'B' || cmdp == 'b')\r
+ keytype = MIFARE_AUTH_KEYB;\r
+ \r
+ UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keytype}};\r
\r
// message\r
printf("-------------------------------------------------------------------------\n");\r
} \r
printf("\n");\r
\r
- // par == 0\r
- if (isOK == -1 && par_list == 0) {\r
- if (!nonce2key_ex(uid, nt, nr, ks_list, &r_key) ){\r
+ // par == 0, and -4\r
+ if (isOK == -4 && par_list == 0) {\r
+ // this special attack when parities is zero, uses checkkeys. Which now with block/keytype option also needs. \r
+ // but it uses 0|1 instead of 0x60|0x61...\r
+ if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){\r
+ PrintAndLog("Key not found (lfsr_common_prefix list is null)."); \r
+ PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
+ c.arg[0] = false;\r
+ goto start;\r
+ } else {\r
PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
goto END;\r
}\r
c.arg[0] = false;\r
goto start;\r
} else {\r
+ \r
+ // nonce2key found a candidate key. Lets verify it.\r
+ uint8_t keyblock[] = {0,0,0,0,0,0};\r
+ num_to_bytes(r_key, 6, keyblock);\r
+ uint64_t key64 = 0;\r
+ int res = mfCheckKeys(blockNo, keytype - 0x60 , false, 1, keyblock, &key64);\r
+ if ( res > 0 ) {\r
+ PrintAndLog("Candidate Key found (%012"llx") - Test authentication failed. Starting over darkside attack", r_key); \r
+ goto start;\r
+ }\r
PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
}\r
END:\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
-int CmdHF14AMf1kSim(const char *Cmd) {\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
- uint8_t pnr = 0;\r
- uint8_t cmdp = param_getchar(Cmd, 0);\r
-\r
- if (cmdp == 'h' || cmdp == 'H') return usage_hf14_mf1ksim();\r
-\r
- cmdp = param_getchar(Cmd, pnr);\r
- if (cmdp == 'u' || cmdp == 'U') {\r
- param_gethex_ex(Cmd, pnr+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
- pnr +=2;\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
- cmdp = param_getchar(Cmd, pnr); \r
- if (cmdp == 'n' || cmdp == 'N') {\r
- exitAfterNReads = param_get8(Cmd, pnr+1);\r
- pnr += 2;\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
- cmdp = param_getchar(Cmd, pnr); \r
- if (cmdp == 'i' || cmdp == 'I' ) {\r
- flags |= FLAG_INTERACTIVE;\r
- pnr++;\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
- cmdp = param_getchar(Cmd, pnr); \r
- if (cmdp == 'x' || cmdp == 'X') {\r
- flags |= FLAG_NR_AR_ATTACK;\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
SendCommand(&c);\r
\r
if(flags & FLAG_INTERACTIVE) { \r
- uint8_t data[32];\r
- uint64_t key;\r
- UsbCommand resp; \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
- memset(data, 0x00, sizeof(data)); \r
- int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];\r
-\r
- memcpy(data, resp.d.asBytes, len); \r
- key = 0;\r
- bool found = tryMfk32(data, &key);\r
- found ^= tryMfk32_moebius(data, &key);\r
- if ( found ) break;\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
int CmdHF14AMfDbg(const char *Cmd) {\r
\r
char ctmp = param_getchar(Cmd, 0);\r
- if (strlen(Cmd) < 1 || ctmp == 'h'|| ctmp == 'H') return usage_hf14_dbg();\r
+ if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_hf14_dbg();\r
\r
uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10);\r
if (dbgMode > 4) return usage_hf14_dbg();\r
return 0;\r
}\r
\r
+int CmdHF14AMfKeyBrute(const char *Cmd) {\r
+\r
+ uint8_t blockNo = 0, keytype = 0;\r
+ uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
+ uint64_t foundkey = 0;\r
+ \r
+ char cmdp = param_getchar(Cmd, 0); \r
+ if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_keybrute();\r
+ \r
+ // block number\r
+ blockNo = param_get8(Cmd, 0); \r
+ \r
+ // keytype\r
+ cmdp = param_getchar(Cmd, 1);\r
+ if (cmdp == 'B' || cmdp == 'b') keytype = 1;\r
+ \r
+ // key\r
+ if (param_gethex(Cmd, 2, key, 12)) return usage_hf14_keybrute();\r
+ \r
+ clock_t t1 = clock();\r
+ time_t start, end;\r
+ time(&start);\r
+ \r
+ if (mfKeyBrute( blockNo, keytype, key, &foundkey))\r
+ PrintAndLog("Found valid key: %012"llx" \n", foundkey);\r
+ else\r
+ PrintAndLog("Key not found");\r
+ \r
+ t1 = clock() - t1;\r
+ time(&end);\r
+ unsigned long elapsed_time = difftime(end, start); \r
+ if ( t1 > 0 )\r
+ PrintAndLog("\nTime in keybrute: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
+ \r
+ return 0; \r
+}\r
+\r
void printKeyTable( uint8_t sectorscnt, sector *e_sector ){\r
PrintAndLog("|---|----------------|---|----------------|---|");\r
PrintAndLog("|sec|key A |res|key B |res|");\r
}\r
\r
// EMULATOR COMMANDS\r
-\r
int CmdHF14AMfEGet(const char *Cmd)\r
{\r
uint8_t blockNo = 0;\r
\r
blockNo = param_get8(Cmd, 0);\r
\r
- PrintAndLog(" ");\r
+ PrintAndLog("");\r
if (!mfEmlGetMem(data, blockNo, 1)) {\r
PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));\r
} else {\r
{"mifare", CmdHF14AMifare, 0, "Read parity error messages."},\r
{"nested", CmdHF14AMfNested, 0, "Test nested authentication"},\r
{"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},\r
+ {"keybrute", CmdHF14AMfKeyBrute, 0, "J_Run's 2nd phase of multiple sector nested authentication key recovery"},\r
{"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},\r
{"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},\r
{"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},\r
projects / proxmark3-svn / blobdiff