response2a[0] = data[3];
response2a[1] = data[4];
response2a[2] = data[5];
- response2a[3] = data[7];
+ response2a[3] = data[6]; //??
response2a[4] = response2a[0] ^ response2a[1] ^ response2a[2] ^ response2a[3];
// Configure the ATQA and SAK accordingly
response3a[0] = sak & 0xFB;
ComputeCrc14443(CRC_14443_A, response3a, 1, &response3a[1], &response3a[2]);
- uint8_t response5[] = { 0x00, 0x00, 0x00, 0x00 }; // Very random tag nonce
+ uint8_t response5[] = { 0x01, 0x02, 0x03, 0x04 }; // Very random tag nonce
uint8_t response6[] = { 0x04, 0x58, 0x80, 0x02, 0x00, 0x00 }; // dummy ATS (pseudo-ATR), answer to RATS:
// Format byte = 0x58: FSCI=0x08 (FSC=256), TA(1) and TC(1) present,
// TA(1) = 0x80: different divisors not supported, DR = 1, DS = 1
uint8_t cardWRBL = 0;
uint8_t cardAUTHSC = 0;
uint8_t cardAUTHKEY = 0xff; // no authentication
- uint32_t cardRr = 0;
+// uint32_t cardRr = 0;
uint32_t cuid = 0;
//uint32_t rn_enc = 0;
uint32_t ans = 0;
uint8_t rATQA[] = {0x04, 0x00}; // Mifare classic 1k 4BUID
uint8_t rUIDBCC1[] = {0xde, 0xad, 0xbe, 0xaf, 0x62};
uint8_t rUIDBCC2[] = {0xde, 0xad, 0xbe, 0xaf, 0x62}; // !!!
- uint8_t rSAK[] = {0x08, 0xb6, 0xdd};
+ //uint8_t rSAK[] = {0x08, 0xb6, 0xdd}; // Mifare Classic
+ uint8_t rSAK[] = {0x09, 0x3f, 0xcc }; // Mifare Mini
uint8_t rSAK1[] = {0x04, 0xda, 0x17};
uint8_t rAUTH_NT[] = {0x01, 0x02, 0x03, 0x04};
//Here, we collect UID,NT,AR,NR,UID2,NT2,AR2,NR2
// This can be used in a reader-only attack.
// (it can also be retrieved via 'hf 14a list', but hey...
- uint32_t ar_nr_responses[] = {0,0,0,0,0,0,0,0};
+ uint32_t ar_nr_responses[] = {0,0,0,0,0,0,0,0,0,0};
uint8_t ar_nr_collected = 0;
+ Dbprintf("FIRE");
+
// free eventually allocated BigBuf memory but keep Emulator Memory
BigBuf_free_keep_EM();
clear_trace();
set_tracing(TRUE);
+ Dbprintf("ICE");
// Authenticate response - nonce
uint32_t nonce = bytes_to_num(rAUTH_NT, 4);
}
}
+ Dbprintf("ICE2");
+ // save uid.
+ ar_nr_responses[0*5] = bytes_to_num(rUIDBCC1+1, 3);
+ if ( _7BUID )
+ ar_nr_responses[0*5+1] = bytes_to_num(rUIDBCC2, 4);
+
/*
* Regardless of what method was used to set the UID, set fifth byte and modify
* the ATQA for 4 or 7-byte UID
}
}
+ Dbprintf("ICE3");
bool finished = FALSE;
while (!BUTTON_PRESS() && !finished) {
WDT_HIT();
if(cardSTATE == MFEMUL_NOFIELD) continue;
//Now, get data
-
res = EmGetCmd(receivedCmd, &len, receivedCmd_par);
if (res == 2) { //Field is off!
cardSTATE = MFEMUL_NOFIELD;
if(ar_nr_collected < 2){
if(ar_nr_responses[2] != ar)
{// Avoid duplicates... probably not necessary, ar should vary.
- ar_nr_responses[ar_nr_collected*4] = cuid;
- ar_nr_responses[ar_nr_collected*4+1] = nonce;
- ar_nr_responses[ar_nr_collected*4+2] = ar;
- ar_nr_responses[ar_nr_collected*4+3] = nr;
+ //ar_nr_responses[ar_nr_collected*5] = 0;
+ //ar_nr_responses[ar_nr_collected*5+1] = 0;
+ ar_nr_responses[ar_nr_collected*5+2] = nonce;
+ ar_nr_responses[ar_nr_collected*5+3] = nr;
+ ar_nr_responses[ar_nr_collected*5+4] = ar;
ar_nr_collected++;
}
// Interactive mode flag, means we need to send ACK
}
// --- crypto
- crypto1_word(pcs, ar , 1);
- cardRr = nr ^ crypto1_word(pcs, 0, 0);
-
- // test if auth OK
- if (cardRr != prng_successor(nonce, 64)){
- if (MF_DBGLEVEL >= 2) Dbprintf("AUTH FAILED for sector %d with key %c. cardRr=%08x, succ=%08x",
- cardAUTHSC, cardAUTHKEY == 0 ? 'A' : 'B',
- cardRr, prng_successor(nonce, 64));
+ //crypto1_word(pcs, ar , 1);
+ //cardRr = nr ^ crypto1_word(pcs, 0, 0);
+
+ //test if auth OK
+ //if (cardRr != prng_successor(nonce, 64)){
+
+ //if (MF_DBGLEVEL >= 4) Dbprintf("AUTH FAILED for sector %d with key %c. cardRr=%08x, succ=%08x",
+ // cardAUTHSC, cardAUTHKEY == 0 ? 'A' : 'B',
+ // cardRr, prng_successor(nonce, 64));
// Shouldn't we respond anything here?
// Right now, we don't nack or anything, which causes the
// reader to do a WUPA after a while. /Martin
// -- which is the correct response. /piwi
- cardSTATE_TO_IDLE();
- LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
- break;
- }
+ //cardSTATE_TO_IDLE();
+ //LogTrace(Uart.output, Uart.len, Uart.startTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.endTime*16 - DELAY_AIR2ARM_AS_TAG, Uart.parity, TRUE);
+ //break;
+ //}
ans = prng_successor(nonce, 96) ^ crypto1_word(pcs, 0, 0);
|| receivedCmd[0] == 0xB0) { // transfer
if (receivedCmd[1] >= 16 * 4) {
EmSend4bit(mf_crypto1_encrypt4bit(pcs, CARD_NACK_NA));
- if (MF_DBGLEVEL >= 2) Dbprintf("Reader tried to operate (0x%02) on out of range block: %d (0x%02x), nacking",receivedCmd[0],receivedCmd[1],receivedCmd[1]);
+ if (MF_DBGLEVEL >= 4) Dbprintf("Reader tried to operate (0x%02) on out of range block: %d (0x%02x), nacking",receivedCmd[0],receivedCmd[1],receivedCmd[1]);
break;
}
if (receivedCmd[1] / 4 != cardAUTHSC) {
EmSend4bit(mf_crypto1_encrypt4bit(pcs, CARD_NACK_NA));
- if (MF_DBGLEVEL >= 2) Dbprintf("Reader tried to operate (0x%02) on block (0x%02x) not authenticated for (0x%02x), nacking",receivedCmd[0],receivedCmd[1],cardAUTHSC);
+ if (MF_DBGLEVEL >= 4) Dbprintf("Reader tried to operate (0x%02) on block (0x%02x) not authenticated for (0x%02x), nacking",receivedCmd[0],receivedCmd[1],cardAUTHSC);
break;
}
}
if (receivedCmd[0] == 0xC0 || receivedCmd[0] == 0xC1 || receivedCmd[0] == 0xC2) {
if (MF_DBGLEVEL >= 4) Dbprintf("RECV 0x%02x inc(0xC1)/dec(0xC0)/restore(0xC2) block %d (%02x)",receivedCmd[0],receivedCmd[1],receivedCmd[1]);
if (emlCheckValBl(receivedCmd[1])) {
- if (MF_DBGLEVEL >= 2) Dbprintf("Reader tried to operate on block, but emlCheckValBl failed, nacking");
+ if (MF_DBGLEVEL >= 4) Dbprintf("Reader tried to operate on block, but emlCheckValBl failed, nacking");
EmSend4bit(mf_crypto1_encrypt4bit(pcs, CARD_NACK_NA));
break;
}
if(flags & FLAG_INTERACTIVE)// Interactive mode flag, means we need to send ACK
{
//May just aswell send the collected ar_nr in the response aswell
- cmd_send(CMD_ACK,CMD_SIMULATE_MIFARE_CARD,1,0,&ar_nr_responses,ar_nr_collected*4*4);
+ uint8_t len = ar_nr_collected*5*4;
+ cmd_send(CMD_ACK, CMD_SIMULATE_MIFARE_CARD, len, 0, &ar_nr_responses, len);
}
if(flags & FLAG_NR_AR_ATTACK && MF_DBGLEVEL >= 1 )
{
if(ar_nr_collected > 1 ) {
Dbprintf("Collected two pairs of AR/NR which can be used to extract keys from reader:");
- Dbprintf("../tools/mfkey/mfkey32 %08x %08x %08x %08x %08x %08x",
- ar_nr_responses[0], // UID
- ar_nr_responses[1], // NT
- ar_nr_responses[2], // AR1
- ar_nr_responses[3], // NR1
- ar_nr_responses[6], // AR2
- ar_nr_responses[7] // NR2
+ Dbprintf("../tools/mfkey/mfkey32 %06x%08x %08x %08x %08x %08x %08x",
+ ar_nr_responses[0], // UID1
+ ar_nr_responses[1], // UID2
+ ar_nr_responses[2], // NT
+ ar_nr_responses[3], // AR1
+ ar_nr_responses[4], // NR1
+ ar_nr_responses[8], // AR2
+ ar_nr_responses[9] // NR2
);
} else {
Dbprintf("Failed to obtain two AR/NR pairs!");
if(ar_nr_collected > 0 ) {
- Dbprintf("Only got these: UID=%08x, nonce=%08x, AR1=%08x, NR1=%08x",
- ar_nr_responses[0], // UID
- ar_nr_responses[1], // NT
- ar_nr_responses[2], // AR1
- ar_nr_responses[3] // NR1
+ Dbprintf("Only got these: UID=%07x%08x, nonce=%08x, AR1=%08x, NR1=%08x",
+ ar_nr_responses[0], // UID1
+ ar_nr_responses[1], // UID2
+ ar_nr_responses[2], // NT
+ ar_nr_responses[3], // AR1
+ ar_nr_responses[4] // NR1
);
}
}
}
- if (MF_DBGLEVEL >= 1) Dbprintf("Emulator stopped. Tracing: %d trace length: %d ", tracing, BigBuf_get_traceLen());
-
+ if (MF_DBGLEVEL >= 1) Dbprintf("Emulator stopped. Tracing: %d trace length: %d ", tracing, BigBuf_get_traceLen());
}
uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};\r
uint8_t exitAfterNReads = 0;\r
uint8_t flags = 0;\r
-\r
+ \r
uint8_t cmdp = param_getchar(Cmd, 0);\r
+\r
+ clearCommandBuffer();\r
\r
if (cmdp == 'h' || cmdp == 'H') {\r
PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");\r
\r
if(flags & FLAG_INTERACTIVE)\r
{ \r
- uint64_t corr_uid = bytes_to_num(uid, ( flags & FLAG_4B_UID_IN_DATA ) ? 4 : 7 );\r
-\r
PrintAndLog("Press pm3-button to abort simulation");\r
\r
uint8_t data[40];\r
uint8_t key[6];\r
\r
- while(!ukbhit()){\r
- UsbCommand resp; \r
- WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
- PrintAndLog("CMD_SIMULATE_MIFARE_CARD [%04X] -- %04X", CMD_SIMULATE_MIFARE_CARD, resp.arg[0]); \r
- if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){\r
- memset(data, 0x00, sizeof(data));\r
- memset(key, 0x00, sizeof(key));\r
- int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];\r
- memcpy(data, resp.d.asBytes, len);\r
- tryMfk32(corr_uid, data, key);\r
- //tryMfk64(corr_uid, data, key);\r
- PrintAndLog("--");\r
+ UsbCommand resp; \r
+ while(!ukbhit() ){\r
+ if ( WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {\r
+ if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){\r
+ memset(data, 0x00, sizeof(data));\r
+ memset(key, 0x00, sizeof(key));\r
+ int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];\r
+ \r
+ memcpy(data, resp.d.asBytes, len);\r
+ \r
+ uint64_t corr_uid = 0;\r
+ if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {\r
+ corr_uid = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];\r
+ }\r
+ else {\r
+ corr_uid |= (uint64_t)data[2] << 48; \r
+ corr_uid |= (uint64_t)data[1] << 40; \r
+ corr_uid |= (uint64_t)data[0] << 32;\r
+ corr_uid |= data[7] << 24;\r
+ corr_uid |= data[6] << 16;\r
+ corr_uid |= data[5] << 8;\r
+ corr_uid |= data[4];\r
+ }\r
+ tryMfk32(corr_uid, data, key);\r
+ //tryMfk64(corr_uid, data, key);\r
+ PrintAndLog("--");\r
+ }\r
}\r
}\r
}\r
uint8_t key_picc_data[16] = { 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f };
static int CmdHelp(const char *Cmd);
-static void xor(unsigned char * dst, unsigned char * src, size_t len);
-static int32_t le24toh (uint8_t data[3]);
-
int CmdHF14ADesWb(const char *Cmd)
{
}
-static void xor(unsigned char * dst, unsigned char * src, size_t len) {
- for( ; len > 0; len--,dst++,src++)
- *dst ^= *src;
-}
-
-static int32_t le24toh (uint8_t data[3]) {
- return (data[2] << 16) | (data[1] << 8) | data[0];
-}
-
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"auth", CmdHF14ADesAuth, 0, "Tries a MIFARE DesFire Authentication"},
- {"rb", CmdHF14ADesRb, 0, "Read MIFARE DesFire block"},
- {"wb", CmdHF14ADesWb, 0, "write MIFARE DesFire block"},
{"info", CmdHF14ADesInfo, 0, "Get MIFARE DesFire information"},
{"enum", CmdHF14ADesEnumApplications,0, "Tries enumerate all applications"},
+ {"auth", CmdHF14ADesAuth, 0, "Tries a MIFARE DesFire Authentication"},
+ {"rdbl", CmdHF14ADesRb, 0, "Read MIFARE DesFire block"},
+ {"wrbl", CmdHF14ADesWb, 0, "write MIFARE DesFire block"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / commitdiff