#include "mifarehost.h"\r
\r
#include <stdio.h>\r
-#include <stdlib.h> \r
+#include <stdlib.h>\r
#include <string.h>\r
#include <pthread.h>\r
\r
#include "util.h"\r
#include "iso14443crc.h"\r
\r
+#include "mifare.h"\r
+\r
// mifare tracer flags used in mfTraceDecode()\r
#define TRACE_IDLE 0x00\r
#define TRACE_AUTH1 0x01\r
return 0;\r
}\r
uint64_t *p1, *p2, *p3;\r
- p1 = p3 = list1; \r
+ p1 = p3 = list1;\r
p2 = list2;\r
\r
while ( *p1 != -1 && *p2 != -1 ) {\r
}\r
\r
keylist = (uint64_t*)states;\r
- \r
+\r
for (i = 0; keylist[i]; i++) {\r
lfsr_rollback_word(states+i, uid^nt, 0);\r
crypto1_get_lfsr(states+i, &key_recovered);\r
printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
printf("-------------------------------------------------------------------------\n");\r
\r
- \r
+\r
while (true) {\r
clearCommandBuffer();\r
SendCommand(&c);\r
- \r
+\r
//flush queue\r
while (ukbhit()) {\r
int c = getchar(); (void) c;\r
}\r
- \r
+\r
// wait cycle\r
while (true) {\r
printf(".");\r
return -5;\r
break;\r
}\r
- \r
+\r
UsbCommand resp;\r
if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {\r
isOK = resp.arg[0];\r
nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
break;\r
}\r
- } \r
+ }\r
\r
if (par_list == 0 && c.arg[0] == true) {\r
PrintAndLog("Parity is all zero. Most likely this card sends NACK on every failed authentication.");\r
keycount = nonce2key(uid, nt, nr, par_list, ks_list, &keylist);\r
\r
if (keycount == 0) {\r
- PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt); \r
+ PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);\r
PrintAndLog("This is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
continue;\r
}\r
PrintAndLog("Found %u possible keys. Trying to authenticate with each of them ...\n", keycount);\r
} else {\r
PrintAndLog("Found a possible key. Trying to authenticate...\n");\r
- } \r
+ }\r
\r
*key = -1;\r
uint8_t keyBlock[USB_CMD_DATA_SIZE];\r
if (!mfCheckKeys(0, 0, false, size, keyBlock, key)) {\r
break;\r
}\r
- } \r
- \r
+ }\r
+\r
if (*key != -1) {\r
free(last_keylist);\r
free(keylist);\r
last_keylist = keylist;\r
}\r
}\r
- \r
+\r
return 0;\r
}\r
\r
\r
int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, uint64_t * key){\r
\r
- *key = 0;\r
+ *key = -1;\r
\r
UsbCommand c = {CMD_MIFARE_CHKKEYS, {((blockNo & 0xff) | ((keyType&0xff)<<8)), clear_trace, keycnt}};\r
memcpy(c.d.asBytes, keyBlock, 6 * keycnt);\r
else return -1;\r
}\r
\r
-typedef \r
+typedef\r
struct {\r
union {\r
struct Crypto1State *slhead;\r
statelist->len = p1 - statelist->head.slhead;\r
statelist->tail.sltail = --p1;\r
qsort(statelist->head.slhead, statelist->len, sizeof(uint64_t), Compare16Bits);\r
- \r
+\r
return statelist->head.slhead;\r
}\r
\r
-int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *resultKey, bool calibrate) \r
+int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *resultKey, bool calibrate)\r
{\r
uint16_t i;\r
uint32_t uid;\r
\r
StateList_t statelists[2];\r
struct Crypto1State *p1, *p2, *p3, *p4;\r
- \r
+\r
// flush queue\r
WaitForResponseTimeout(CMD_ACK, NULL, 100);\r
- \r
+\r
UsbCommand c = {CMD_MIFARE_NESTED, {blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, calibrate}};\r
memcpy(c.d.asBytes, key, 6);\r
SendCommand(&c);\r
if (resp.arg[0]) {\r
return resp.arg[0]; // error during nested\r
}\r
- \r
+\r
memcpy(&uid, resp.d.asBytes, 4);\r
PrintAndLog("uid:%08x trgbl=%d trgkey=%x", uid, (uint16_t)resp.arg[2] & 0xff, (uint16_t)resp.arg[2] >> 8);\r
- \r
+\r
for (i = 0; i < 2; i++) {\r
statelists[i].blockNo = resp.arg[2] & 0xff;\r
statelists[i].keyType = (resp.arg[2] >> 8) & 0xff;\r
memcpy(&statelists[i].nt, (void *)(resp.d.asBytes + 4 + i * 8 + 0), 4);\r
memcpy(&statelists[i].ks1, (void *)(resp.d.asBytes + 4 + i * 8 + 4), 4);\r
}\r
- \r
+\r
// calc keys\r
- \r
+\r
pthread_t thread_id[2];\r
- \r
+\r
// create and run worker threads\r
for (i = 0; i < 2; i++) {\r
pthread_create(thread_id + i, NULL, nested_worker_thread, &statelists[i]);\r
}\r
- \r
+\r
// wait for threads to terminate:\r
for (i = 0; i < 2; i++) {\r
pthread_join(thread_id[i], (void*)&statelists[i].head.slhead);\r
// the first 16 Bits of the cryptostate already contain part of our key.\r
// Create the intersection of the two lists based on these 16 Bits and\r
// roll back the cryptostate\r
- p1 = p3 = statelists[0].head.slhead; \r
+ p1 = p3 = statelists[0].head.slhead;\r
p2 = p4 = statelists[1].head.slhead;\r
while (p1 <= statelists[0].tail.sltail && p2 <= statelists[1].tail.sltail) {\r
if (Compare16Bits(p1, p2) == 0) {\r
break;\r
}\r
}\r
- \r
+\r
free(statelists[0].head.slhead);\r
free(statelists[1].head.slhead);\r
- \r
+\r
return 0;\r
}\r
\r
\r
int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};\r
- memcpy(c.d.asBytes, data, blocksCount * 16); \r
+ memcpy(c.d.asBytes, data, blocksCount * 16);\r
SendCommand(&c);\r
return 0;\r
}\r
\r
uint8_t isOK = 0;\r
UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};\r
- memcpy(c.d.asBytes, data, 16); \r
+ memcpy(c.d.asBytes, data, 16);\r
SendCommand(&c);\r
\r
UsbCommand resp;\r
if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
isOK = resp.arg[0] & 0xff;\r
- if (uid != NULL) \r
+ if (uid != NULL)\r
memcpy(uid, resp.d.asBytes, 4);\r
- if (!isOK) \r
+ if (!isOK)\r
return 2;\r
} else {\r
PrintAndLog("Command execute timeout");\r
int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, bool wantWipe) {\r
uint8_t oldblock0[16] = {0x00};\r
uint8_t block0[16] = {0x00};\r
+ int old, gen = 0;\r
+\r
+ gen = mfCIdentify();\r
+\r
+ if (gen == 2) {\r
+ /* generation 1b magic card */\r
+ old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);\r
+ } else {\r
+ /* generation 1a magic card by default */\r
+ old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER);\r
+ }\r
\r
- int old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER);\r
if (old == 0) {\r
memcpy(block0, oldblock0, 16);\r
PrintAndLog("old block 0: %s", sprint_hex(block0,16));\r
\r
// fill in the new values\r
// UID\r
- memcpy(block0, uid, 4); \r
+ memcpy(block0, uid, 4);\r
// Mifare UID BCC\r
block0[4] = block0[0]^block0[1]^block0[2]^block0[3];\r
// mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed)\r
block0[7]=atqa[0];\r
}\r
PrintAndLog("new block 0: %s", sprint_hex(block0,16));\r
- return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER);\r
+\r
+ if (gen == 2) {\r
+ /* generation 1b magic card */\r
+ return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);\r
+ } else {\r
+ /* generation 1a magic card by default */\r
+ return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER);\r
+ }\r
}\r
\r
// SNIFFER\r
}\r
\r
int isBlockEmpty(int blockN) {\r
- for (int i = 0; i < 16; i++) \r
+ for (int i = 0; i < 16; i++)\r
if (traceCard[blockN * 16 + i] != 0) return 0;\r
\r
return 1;\r
\r
int saveTraceCard(void) {\r
FILE * f;\r
- \r
+\r
if ((!strlen(traceFileName)) || (isTraceCardEmpty())) return 0;\r
- \r
+\r
f = fopen(traceFileName, "w+");\r
if ( !f ) return 1;\r
- \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
fclose(f);\r
char buf[64] = {0x00};\r
uint8_t buf8[64] = {0x00};\r
int i, blockNum;\r
- \r
- if (!isTraceCardEmpty()) \r
+\r
+ if (!isTraceCardEmpty())\r
saveTraceCard();\r
- \r
+\r
memset(traceCard, 0x00, 4096);\r
memcpy(traceCard, tuid + 3, 4);\r
\r
\r
f = fopen(traceFileName, "r");\r
if (!f) return 1;\r
- \r
+\r
blockNum = 0;\r
- \r
+\r
while(!feof(f)){\r
- \r
+\r
memset(buf, 0, sizeof(buf));\r
if (fgets(buf, sizeof(buf), f) == NULL) {\r
PrintAndLog("File reading error.");\r
\r
int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {\r
\r
- if (traceCrypto1) \r
+ if (traceCrypto1)\r
crypto1_destroy(traceCrypto1);\r
\r
traceCrypto1 = NULL;\r
\r
- if (wantSaveToEmlFile) \r
+ if (wantSaveToEmlFile)\r
loadTraceCard(tuid);\r
- \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
+\r
traceState = TRACE_IDLE;\r
\r
return 0;\r
void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted){\r
uint8_t bt = 0;\r
int i;\r
- \r
+\r
if (len != 1) {\r
for (i = 0; i < len; i++)\r
data[i] = crypto1_byte(pcs, 0x00, isEncrypted) ^ data[i];\r
bt = 0;\r
for (i = 0; i < 4; i++)\r
bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], i)) << i;\r
- \r
+\r
data[0] = bt;\r
}\r
return;\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
- \r
+\r
memcpy(data, data_src, len);\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
+ AddLogHex(logHexFileName, "dec> ", data, len);\r
}\r
- \r
+\r
switch (traceState) {\r
- case TRACE_IDLE: \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
+ AddLogLine(logHexFileName, "dec> ", "CRC ERROR!!!");\r
traceState = TRACE_ERROR; // do not decrypt the next commands\r
return 1;\r
}\r
- \r
+\r
// AUTHENTICATION\r
if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {\r
traceState = TRACE_AUTH1;\r
traceState = TRACE_ERROR; // do not decrypt the next commands\r
return 0;\r
}\r
- \r
+\r
return 0;\r
break;\r
- \r
- case TRACE_READ_DATA: \r
+\r
+ case TRACE_READ_DATA:\r
if (len == 18) {\r
traceState = TRACE_IDLE;\r
\r
}\r
break;\r
\r
- case TRACE_WRITE_OK: \r
+ case TRACE_WRITE_OK:\r
if ((len == 1) && (data[0] == 0x0a)) {\r
traceState = TRACE_WRITE_DATA;\r
\r
}\r
break;\r
\r
- case TRACE_WRITE_DATA: \r
+ case TRACE_WRITE_DATA:\r
if (len == 18) {\r
traceState = TRACE_IDLE;\r
\r
}\r
break;\r
\r
- case TRACE_AUTH1: \r
+ case TRACE_AUTH1:\r
if (len == 4) {\r
traceState = TRACE_AUTH2;\r
nt = bytes_to_num(data, 4);\r
}\r
break;\r
\r
- case TRACE_AUTH2: \r
+ case TRACE_AUTH2:\r
if (len == 8) {\r
traceState = TRACE_AUTH_OK;\r
\r
}\r
break;\r
\r
- case TRACE_AUTH_OK: \r
+ case TRACE_AUTH_OK:\r
if (len ==4) {\r
traceState = TRACE_IDLE;\r
\r
at_enc = bytes_to_num(data, 4);\r
- \r
+\r
// decode key here)\r
ks2 = ar_enc ^ prng_successor(nt, 64);\r
ks3 = at_enc ^ prng_successor(nt, 96);\r
\r
crypto1_get_lfsr(revstate, &lfsr);\r
printf("key> %x%x\n", (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF));\r
- AddLogUint64(logHexFileName, "key> ", lfsr); \r
- \r
+ AddLogUint64(logHexFileName, "key> ", lfsr);\r
+\r
int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;\r
if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);\r
- \r
+\r
if (traceCurKey) {\r
num_to_bytes(lfsr, 6, traceCard + blockShift + 10);\r
} else {\r
if (traceCrypto1) {\r
crypto1_destroy(traceCrypto1);\r
}\r
- \r
+\r
// set cryptosystem state\r
traceCrypto1 = lfsr_recovery64(ks2, ks3);\r
- \r
+\r
// nt = crypto1_word(traceCrypto1, nt ^ uid, 1) ^ nt;\r
\r
/* traceCrypto1 = crypto1_create(lfsr); // key in lfsr\r
crypto1_word(traceCrypto1, ar, 1);\r
crypto1_word(traceCrypto1, 0, 0);\r
crypto1_word(traceCrypto1, 0, 0);*/\r
- \r
+\r
return 0;\r
} else {\r
traceState = TRACE_ERROR;\r
}\r
break;\r
\r
- default: \r
+ default:\r
traceState = TRACE_ERROR;\r
return 1;\r
}\r
crypto1_destroy(traceCrypto1);\r
return 0;\r
}\r
+\r
+int mfCIdentify()\r
+{\r
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};\r
+ SendCommand(&c);\r
+\r
+ UsbCommand resp;\r
+ WaitForResponse(CMD_ACK,&resp);\r
+\r
+ iso14a_card_select_t card;\r
+ memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));\r
+\r
+ uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision\r
+\r
+ if(select_status != 0) {\r
+ uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0\r
+ c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;\r
+ c.arg[1] = 2;\r
+ c.arg[2] = 0;\r
+ memcpy(c.d.asBytes, rats, 2);\r
+ SendCommand(&c);\r
+ WaitForResponse(CMD_ACK,&resp);\r
+ }\r
+\r
+ c.cmd = CMD_MIFARE_CIDENT;\r
+ c.arg[0] = 0;\r
+ c.arg[1] = 0;\r
+ c.arg[2] = 0;\r
+ SendCommand(&c);\r
+ WaitForResponse(CMD_ACK,&resp);\r
+\r
+ uint8_t isGeneration = resp.arg[0] & 0xff;\r
+ switch( isGeneration ){\r
+ case 1: PrintAndLog("Chinese magic backdoor commands (GEN 1a) detected"); break;\r
+ case 2: PrintAndLog("Chinese magic backdoor command (GEN 1b) detected"); break;\r
+ default: PrintAndLog("No chinese magic backdoor command detected"); break;\r
+ }\r
+\r
+ // disconnect\r
+ c.cmd = CMD_READER_ISO_14443a;\r
+ c.arg[0] = 0;\r
+ c.arg[1] = 0;\r
+ c.arg[2] = 0;\r
+ SendCommand(&c);\r
+\r
+ return (int) isGeneration;\r
+}\r
projects / proxmark3-svn / blobdiff