#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("options:");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" <block number> (Optional) target other key A than block 0.");\r
+ PrintAndLog("sample:");\r
+ PrintAndLog(" hf mf mifare");\r
+ PrintAndLog(" hf mf mifare 16");\r
+ return 0;\r
+}\r
+int usage_hf14_mf1ksim(void){\r
+ PrintAndLog("Usage: hf mf sim [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");\r
+ PrintAndLog("options:");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" u (Optional) UID 4,7 or 10bytes. 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("samples:");\r
+ PrintAndLog(" hf mf sim u 0a0a0a0a");\r
+ PrintAndLog(" hf mf sim u 11223344556677");\r
+ PrintAndLog(" hf mf sim u 112233445566778899AA"); \r
+ return 0;\r
+}\r
+int usage_hf14_dbg(void){\r
+ PrintAndLog("Usage: hf mf dbg [h] <debug level>");\r
+ PrintAndLog("options:");\r
+ PrintAndLog(" h this help"); \r
+ PrintAndLog(" <debug level> (Optional) see list for valid levels");\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
+ PrintAndLog("samples:");\r
+ PrintAndLog(" hf mf dbg 3");\r
+ return 0;\r
+}\r
+int usage_hf14_sniff(void){\r
+ PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
+ PrintAndLog("Usage: hf mf sniff [h] [l] [d] [f]");\r
+ PrintAndLog("options:");\r
+ PrintAndLog(" h this help");\r
+ PrintAndLog(" l save encrypted sequence to logfile `uid.log`");\r
+ PrintAndLog(" d decrypt sequence and put it to log file `uid.log`");\r
+// PrintAndLog(" n/a e decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
+ PrintAndLog(" f decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
+ PrintAndLog("sample:");\r
+ PrintAndLog(" hf mf sniff l d f");\r
+ return 0;\r
+}\r
\r
-int CmdHF14AMifare(const char *Cmd)\r
-{\r
+int CmdHF14AMifare(const char *Cmd) {\r
uint32_t uid = 0;\r
uint32_t nt = 0, nr = 0;\r
uint64_t par_list = 0, ks_list = 0, r_key = 0;\r
uint8_t blockNo = 0;\r
\r
char cmdp = param_getchar(Cmd, 0); \r
- if ( cmdp == 'H' || cmdp == 'h') {\r
- PrintAndLog("Usage: hf mf mifare <block number>");\r
- PrintAndLog(" sample: hf mf mifare 0");\r
- return 0;\r
- } \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
\r
// message\r
printf("-------------------------------------------------------------------------\n");\r
- printf("Executing command. Expected execution time: 25sec on average :-)\n");\r
+ printf("Executing darkside attack. Expected execution time: 25sec on average :-)\n");\r
printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
printf("-------------------------------------------------------------------------\n");\r
-\r
clock_t t1 = clock();\r
\r
start:\r
UsbCommand resp;\r
if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r
isOK = resp.arg[0];\r
- printf("\n\n");\r
+ printf("\n");\r
+ uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);\r
+ nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);\r
+ par_list = bytes_to_num(resp.d.asBytes + 8, 8);\r
+ ks_list = bytes_to_num(resp.d.asBytes + 16, 8);\r
+ nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
+\r
switch (isOK) {\r
case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
default: ;\r
}\r
- uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);\r
- nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);\r
- par_list = bytes_to_num(resp.d.asBytes + 8, 8);\r
- ks_list = bytes_to_num(resp.d.asBytes + 16, 8);\r
- nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
break;\r
}\r
} \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
+ PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
+ goto END;\r
+ }\r
+ }\r
+ \r
// error\r
if (isOK != 1) return 1;\r
\r
} else {\r
PrintAndLog("Found valid key: %012"llx" \n", r_key);\r
}\r
- \r
+END:\r
t1 = clock() - t1;\r
if ( t1 > 0 )\r
PrintAndLog("Time in darkside: %.0f ticks\n", (float)t1);\r
}\r
}\r
\r
-int CmdHF14AMfDump(const char *Cmd)\r
-{\r
+int CmdHF14AMfDump(const char *Cmd) {\r
uint8_t sectorNo, blockNo;\r
\r
uint8_t keyA[40][6];\r
return 0;\r
}\r
\r
-int CmdHF14AMfRestore(const char *Cmd)\r
-{\r
+int CmdHF14AMfRestore(const char *Cmd) {\r
uint8_t sectorNo,blockNo;\r
uint8_t keyType = 0;\r
uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};\r
return 0;\r
}\r
\r
-int CmdHF14AMfNested(const char *Cmd)\r
-{\r
+int CmdHF14AMfNested(const char *Cmd) {\r
int i, j, res, iterations;\r
sector *e_sector = NULL;\r
uint8_t blockNo = 0;\r
return 0;\r
}\r
\r
-int CmdHF14AMfNestedHard(const char *Cmd)\r
-{\r
+int CmdHF14AMfNestedHard(const char *Cmd) {\r
uint8_t blockNo = 0;\r
uint8_t keyType = 0;\r
uint8_t trgBlockNo = 0;\r
return 0;\r
}\r
\r
-int CmdHF14AMfChk(const char *Cmd)\r
-{\r
+int CmdHF14AMfChk(const char *Cmd) {\r
if (strlen(Cmd)<3) {\r
PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
PrintAndLog(" * - all sectors");\r
return 0;\r
}\r
\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 = 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') {\r
- PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");\r
- PrintAndLog(" h this help");\r
- PrintAndLog(" u (Optional) UID 4,7 or 10bytes. If not specified, the UID 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("samples:");\r
- PrintAndLog(" hf mf sim u 0a0a0a0a");\r
- PrintAndLog(" hf mf sim u 11223344556677");\r
- PrintAndLog(" hf mf sim u 112233445566778899AA");\r
- return 0;\r
- }\r
- uint8_t pnr = 0;\r
- if (param_getchar(Cmd, pnr) == 'u') {\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:\r
- PrintAndLog("UID, if specified, must include 8, 14 or 20 HEX symbols , %d", uidlen>>1);\r
- return 1;\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
- \r
- if (param_getchar(Cmd, pnr) == 'n') {\r
- exitAfterNReads = param_get8(Cmd,pnr+1);\r
+\r
+ cmdp = param_getchar(Cmd, pnr); \r
+ if (cmdp == 'n' || cmdp == 'N') {\r
+ exitAfterNReads = param_get8(Cmd, pnr+1);\r
pnr += 2;\r
}\r
- \r
- if (param_getchar(Cmd, pnr) == 'i' ) {\r
+\r
+ cmdp = param_getchar(Cmd, pnr); \r
+ if (cmdp == 'i' || cmdp == 'I' ) {\r
flags |= FLAG_INTERACTIVE;\r
pnr++;\r
}\r
\r
- if (param_getchar(Cmd, pnr) == 'x' ) {\r
+ cmdp = param_getchar(Cmd, pnr); \r
+ if (cmdp == 'x' || cmdp == 'X') {\r
flags |= FLAG_NR_AR_ATTACK;\r
}\r
\r
PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) "\r
- , (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen)\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
+ 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
- { \r
- uint8_t data[40];\r
- uint8_t key[6];\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
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
- memset(key, 0x00, sizeof(key));\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
- \r
- // CUID is always 4 first bytes.\r
- uint64_t cuid = bytes_to_num(data, 4 );\r
- \r
- // this needs to be fixed. ICEMAN\r
- if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {\r
- tryMfk32(cuid, data, key);\r
- } else {\r
- tryMfk64(cuid, data, key);\r
- }\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
}\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
+ }\r
+ buf = p;\r
+ }\r
+ bufPtr = buf;\r
+ bufsize = traceLen;\r
+ memset(buf, 0x00, traceLen);\r
+ }\r
+ if (bufPtr == NULL) {\r
+ PrintAndLog("Cannot allocate memory for trace");\r
+ free(buf);\r
+ return 2;\r
+ }\r
+ // what happens if LEN is bigger then TRACELEN --iceman\r
+ memcpy(bufPtr, resp.d.asBytes, len);\r
+ bufPtr += len;\r
+ pckNum++;\r
+ }\r
+\r
+ if (res == 2) { // received all data, start displaying\r
+ blockLen = bufPtr - buf;\r
+ bufPtr = buf;\r
+ printf(">\n");\r
+ PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
+ while (bufPtr - buf < blockLen) {\r
+ bufPtr += 6; // skip (void) timing information\r
+ len = *((uint16_t *)bufPtr);\r
+ if(len & 0x8000) {\r
+ isTag = true;\r
+ len &= 0x7fff;\r
+ } else {\r
+ isTag = false;\r
+ }\r
+ bufPtr += 2;\r
+ if ((len == 17) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[15] == 0xff) && (bufPtr[16] == 0xff)) {\r
+ memcpy(uid, bufPtr + 2, 10);\r
+ memcpy(atqa, bufPtr + 2 + 10, 2);\r
+ switch (atqa[0] & 0xC0) {\r
+ case 0x80: uid_len = 10; break;\r
+ case 0x40: uid_len = 7; break;\r
+ default: uid_len = 4; break;\r
+ }\r
+ sak = bufPtr[14];\r
+ PrintAndLog("tag select uid| %s atqa:0x%02x%02x sak:0x%02x", \r
+ sprint_hex(uid, uid_len),\r
+ atqa[1], \r
+ atqa[0], \r
+ sak);\r
+ if (wantLogToFile || wantDecrypt) {\r
+ FillFileNameByUID(logHexFileName, uid, ".log", uid_len);\r
+ AddLogCurrentDT(logHexFileName);\r
+ } \r
+ if (wantDecrypt)\r
+ mfTraceInit(uid, uid_len, atqa, sak, wantSaveToEmlFile);\r
+ } else {\r
+ PrintAndLog("%03d| %s |%s", num, isTag ? "TAG" : "RDR", sprint_hex(bufPtr, len));\r
+ if (wantLogToFile) \r
+ AddLogHex(logHexFileName, isTag ? "TAG| ":"RDR| ", bufPtr, len);\r
+ if (wantDecrypt) \r
+ mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
+ num++; \r
+ }\r
+ bufPtr += len;\r
+ bufPtr += ((len-1)/8+1); // ignore parity\r
+ }\r
+ pckNum = 0;\r
+ }\r
+ } // resp not NULL\r
+ } // while (true)\r
+\r
+ free(buf);\r
+ return 0;\r
+}\r
+\r
int CmdHF14AMfDbg(const char *Cmd) {\r
- int dbgMode = param_get32ex(Cmd, 0, 0, 10);\r
- if (dbgMode > 4)\r
- PrintAndLog("Max debug mode parameter is 4 \n");\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
+ char ctmp = param_getchar(Cmd, 0);\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
\r
UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};\r
SendCommand(&c);\r
}\r
}\r
\r
-\r
-\r
-int CmdHF14AMfSniff(const char *Cmd){\r
-\r
- bool wantLogToFile = 0;\r
- bool wantDecrypt = 0;\r
- //bool wantSaveToEml = 0; TODO\r
- bool wantSaveToEmlFile = 0;\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;\r
- uint8_t *buf = NULL;\r
- uint16_t bufsize = 0;\r
- uint8_t *bufPtr = NULL;\r
- \r
- memset(uid, 0x00, sizeof(uid));\r
- \r
- char ctmp = param_getchar(Cmd, 0);\r
- if ( ctmp == 'h' || ctmp == 'H' ) {\r
- PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
- PrintAndLog("You can specify:");\r
- PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");\r
- PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");\r
- PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
- PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
- PrintAndLog("Usage: hf mf sniff [l][d][e][f]");\r
- PrintAndLog(" sample: hf mf sniff l d e");\r
- return 0;\r
- } \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 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
- uint16_t 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
- }\r
- buf = p;\r
- }\r
- bufPtr = buf;\r
- bufsize = traceLen;\r
- memset(buf, 0x00, traceLen);\r
- }\r
- if (bufPtr == NULL) {\r
- PrintAndLog("Cannot allocate memory for trace");\r
- free(buf);\r
- return 2;\r
- }\r
- memcpy(bufPtr, resp.d.asBytes, len);\r
- bufPtr += len;\r
- pckNum++;\r
- }\r
-\r
- if (res == 2) { // received all data, start displaying\r
- blockLen = bufPtr - buf;\r
- bufPtr = buf;\r
- printf(">\n");\r
- PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
- while (bufPtr - buf < blockLen) {\r
- bufPtr += 6; // skip (void) timing information\r
- len = *((uint16_t *)bufPtr);\r
- if(len & 0x8000) {\r
- isTag = true;\r
- len &= 0x7fff;\r
- } else {\r
- isTag = false;\r
- }\r
- bufPtr += 2;\r
- if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
- memcpy(uid, bufPtr + 2, 7);\r
- memcpy(atqa, bufPtr + 2 + 7, 2);\r
- uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r
- sak = bufPtr[11];\r
- PrintAndLog("tag select uid| %s atqa:0x%02x%02x sak:0x%02x", \r
- sprint_hex(uid + (7 - uid_len), uid_len),\r
- atqa[1], \r
- atqa[0], \r
- sak);\r
- if (wantLogToFile || wantDecrypt) {\r
- FillFileNameByUID(logHexFileName, uid + (10 - uid_len), ".log", uid_len);\r
- AddLogCurrentDT(logHexFileName);\r
- } \r
- if (wantDecrypt) \r
- mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
- } else {\r
- PrintAndLog("%03d| %s |%s", num, isTag ? "TAG" : "RDR", sprint_hex(bufPtr, len));\r
- if (wantLogToFile) \r
- AddLogHex(logHexFileName, isTag ? "TAG| ":"RDR| ", bufPtr, len);\r
- if (wantDecrypt) \r
- mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
- num++; \r
- }\r
- bufPtr += len;\r
- bufPtr += ((len-1)/8+1); // ignore parity\r
- }\r
- pckNum = 0;\r
- }\r
- } // resp not NULL\r
- } // while (true)\r
-\r
- free(buf);\r
- return 0;\r
-}\r
-\r
//needs nt, ar, at, Data to decrypt\r
int CmdHf14MfDecryptBytes(const char *Cmd){\r
uint8_t data[50];\r
- \r
uint32_t nt = param_get32ex(Cmd,0,0,16);\r
uint32_t ar_enc = param_get32ex(Cmd,1,0,16);\r
uint32_t at_enc = param_get32ex(Cmd,2,0,16);\r
};\r
\r
int CmdHFMF(const char *Cmd) {\r
- // flush\r
clearCommandBuffer();\r
- //WaitForResponseTimeout(CMD_ACK,NULL,100);\r
CmdsParse(CommandTable, Cmd);\r
return 0;\r
}\r
\r
struct Crypto1State *traceCrypto1 = NULL;\r
struct Crypto1State *revstate = NULL;\r
-\r
uint64_t key = 0;\r
uint32_t ks2 = 0;\r
uint32_t ks3 = 0;\r
\r
-uint32_t uid = 0; // serial number\r
+uint32_t cuid = 0; // serial number\r
uint32_t nt =0; // tag challenge\r
uint32_t nr_enc =0; // encrypted reader challenge\r
uint32_t ar_enc =0; // encrypted reader response\r
return ((blockN & 0x03) == 0x03);\r
}\r
\r
-int loadTraceCard(uint8_t *tuid) {\r
+int loadTraceCard(uint8_t *tuid, uint8_t uidlen) {\r
FILE * f;\r
char buf[64] = {0x00};\r
uint8_t buf8[64] = {0x00};\r
saveTraceCard();\r
\r
memset(traceCard, 0x00, 4096);\r
- memcpy(traceCard, tuid + 3, 4);\r
+ memcpy(traceCard, tuid, uidlen);\r
\r
- FillFileNameByUID(traceFileName, tuid, ".eml", 7);\r
+ FillFileNameByUID(traceFileName, tuid, ".eml", uidlen);\r
\r
f = fopen(traceFileName, "r");\r
if (!f) return 1;\r
\r
memset(buf, 0, sizeof(buf));\r
if (fgets(buf, sizeof(buf), f) == NULL) {\r
- PrintAndLog("File reading error.");\r
+ PrintAndLog("No trace file found or reading error.");\r
fclose(f);\r
return 2;\r
}\r
return 2;\r
}\r
for (i = 0; i < 32; i += 2)\r
- sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
+ sscanf(&buf[i], "%02X", (unsigned int *)&buf8[i / 2]);\r
\r
memcpy(traceCard + blockNum * 16, buf8, 16);\r
\r
blockNum++;\r
}\r
fclose(f);\r
-\r
return 0;\r
}\r
\r
int saveTraceCard(void) {\r
- FILE * f;\r
\r
if ((!strlen(traceFileName)) || (isTraceCardEmpty())) return 0;\r
\r
+ FILE * f;\r
f = fopen(traceFileName, "w+");\r
if ( !f ) return 1;\r
\r
for (int i = 0; i < 64; i++) { // blocks\r
for (int j = 0; j < 16; j++) // bytes\r
- fprintf(f, "%02x", *(traceCard + i * 16 + j)); \r
+ fprintf(f, "%02X", *(traceCard + i * 16 + j)); \r
fprintf(f,"\n");\r
}\r
+ fflush(f);\r
fclose(f);\r
return 0;\r
}\r
\r
-int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {\r
+int mfTraceInit(uint8_t *tuid, uint8_t uidlen, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {\r
\r
if (traceCrypto1) \r
crypto1_destroy(traceCrypto1);\r
traceCrypto1 = NULL;\r
\r
if (wantSaveToEmlFile) \r
- loadTraceCard(tuid);\r
+ loadTraceCard(tuid, uidlen);\r
\r
traceCard[4] = traceCard[0] ^ traceCard[1] ^ traceCard[2] ^ traceCard[3];\r
traceCard[5] = sak;\r
memcpy(&traceCard[6], atqa, 2);\r
traceCurBlock = 0;\r
- uid = bytes_to_num(tuid + 3, 4);\r
- \r
+ cuid = bytes_to_num(tuid+(uidlen-4), 4);\r
traceState = TRACE_IDLE;\r
-\r
return 0;\r
}\r
\r
}\r
\r
int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {\r
- \r
- uint8_t data[64];\r
- memset(data, 0x00, sizeof(data));\r
- \r
+\r
if (traceState == TRACE_ERROR) return 1;\r
- \r
+\r
if (len > 64) {\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
\r
+ uint8_t data[64];\r
+ memset(data, 0x00, sizeof(data));\r
+ \r
memcpy(data, data_src, len);\r
+ \r
if ((traceCrypto1) && ((traceState == TRACE_IDLE) || (traceState > TRACE_AUTH_OK))) {\r
mf_crypto1_decrypt(traceCrypto1, data, len, 0);\r
- PrintAndLog("dec> %s", sprint_hex(data, len));\r
- AddLogHex(logHexFileName, "dec> ", data, len); \r
+ PrintAndLog("DEC| %s", sprint_hex(data, len));\r
+ AddLogHex(logHexFileName, "DEC| ", data, len); \r
}\r
\r
switch (traceState) {\r
case TRACE_IDLE: \r
// check packet crc16!\r
if ((len >= 4) && (!CheckCrc14443(CRC_14443_A, data, len))) {\r
- PrintAndLog("dec> CRC ERROR!!!");\r
- AddLogLine(logHexFileName, "dec> ", "CRC ERROR!!!"); \r
+ PrintAndLog("DEC| CRC ERROR!!!");\r
+ AddLogLine(logHexFileName, "DEC| ", "CRC ERROR!!!"); \r
traceState = TRACE_ERROR; // do not decrypt the next commands\r
return 1;\r
}\r
traceState = TRACE_ERROR; // do not decrypt the next commands\r
return 0;\r
}\r
- \r
return 0;\r
- break;\r
- \r
case TRACE_READ_DATA: \r
if (len == 18) {\r
traceState = TRACE_IDLE;\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
case TRACE_WRITE_OK: \r
if ((len == 1) && (data[0] == 0x0a)) {\r
traceState = TRACE_WRITE_DATA;\r
-\r
return 0;\r
} else {\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
case TRACE_WRITE_DATA: \r
if (len == 18) {\r
traceState = TRACE_IDLE;\r
-\r
memcpy(traceCard + traceCurBlock * 16, data, 16);\r
if (wantSaveToEmlFile) saveTraceCard();\r
return 0;\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
case TRACE_AUTH1: \r
if (len == 4) {\r
traceState = TRACE_AUTH2;\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
case TRACE_AUTH2: \r
if (len == 8) {\r
traceState = TRACE_AUTH_OK;\r
-\r
nr_enc = bytes_to_num(data, 4);\r
ar_enc = bytes_to_num(data + 4, 4);\r
return 0;\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
case TRACE_AUTH_OK: \r
- if (len ==4) {\r
+ if (len == 4) {\r
traceState = TRACE_IDLE;\r
-\r
at_enc = bytes_to_num(data, 4);\r
\r
// decode key here)\r
lfsr_rollback_word(revstate, 0, 0);\r
lfsr_rollback_word(revstate, 0, 0);\r
lfsr_rollback_word(revstate, nr_enc, 1);\r
- lfsr_rollback_word(revstate, uid ^ nt, 0);\r
-\r
+ lfsr_rollback_word(revstate, cuid ^ nt, 0);\r
crypto1_get_lfsr(revstate, &key);\r
- printf("Key: %012"llx"\n",key);\r
- AddLogUint64(logHexFileName, "key: ", key); \r
+ PrintAndLog("Found Key: [%012"llx"]", key);\r
+ \r
+ //if ( tryMfk64(cuid, nt, nr_enc, ar_enc, at_enc, &key) )\r
+ AddLogUint64(logHexFileName, "Found Key: ", key); \r
\r
int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;\r
if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);\r
\r
- if (traceCurKey) {\r
+ if (traceCurKey)\r
num_to_bytes(key, 6, traceCard + blockShift + 10);\r
- } else {\r
+ else\r
num_to_bytes(key, 6, traceCard + blockShift);\r
- }\r
- if (wantSaveToEmlFile) saveTraceCard();\r
+ \r
+ if (wantSaveToEmlFile)\r
+ saveTraceCard();\r
\r
- if (traceCrypto1) {\r
+ if (traceCrypto1)\r
crypto1_destroy(traceCrypto1);\r
- }\r
\r
// set cryptosystem state\r
traceCrypto1 = lfsr_recovery64(ks2, ks3);\r
\r
-// nt = crypto1_word(traceCrypto1, nt ^ uid, 1) ^ nt;\r
-\r
- /* traceCrypto1 = crypto1_create(key); // key in lfsr\r
- crypto1_word(traceCrypto1, nt ^ uid, 0);\r
- crypto1_word(traceCrypto1, ar, 1);\r
- crypto1_word(traceCrypto1, 0, 0);\r
- crypto1_word(traceCrypto1, 0, 0);*/\r
- \r
return 0;\r
} else {\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- break;\r
-\r
+ break;\r
default: \r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
-\r
return 0;\r
}\r
\r
int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len){\r
- /*\r
- uint32_t nt; // tag challenge\r
- uint32_t nr_enc; // encrypted reader challenge\r
- uint32_t ar_enc; // encrypted reader response\r
- uint32_t at_enc; // encrypted tag response\r
- */\r
+ PrintAndLog("\nEncrypted data: [%s]", sprint_hex(data, len) );\r
struct Crypto1State *pcs = NULL;\r
- \r
ks2 = ar_enc ^ prng_successor(nt, 64);\r
ks3 = at_enc ^ prng_successor(nt, 96);\r
- \r
- PrintAndLog("Decrypting data with:");\r
- PrintAndLog(" nt: %08x",nt);\r
- PrintAndLog(" ar_enc: %08x",ar_enc);\r
- PrintAndLog(" at_enc: %08x",at_enc);\r
- PrintAndLog("\nEncrypted data: [%s]", sprint_hex(data,len) );\r
-\r
pcs = lfsr_recovery64(ks2, ks3);\r
mf_crypto1_decrypt(pcs, data, len, FALSE);\r
- PrintAndLog("Decrypted data: [%s]", sprint_hex(data,len) );\r
+ PrintAndLog("Decrypted data: [%s]", sprint_hex(data, len) );\r
crypto1_destroy(pcs);\r
return 0;\r
}\r
projects / proxmark3-svn / commitdiff