#include "cmdmain.h"
#include "mifare.h"
#include "cmdhfmfu.h"
-#include "nonce2key/crapto1.h"
+#include "nonce2key/nonce2key.h"
#define llx PRIx64
//***************************************test****************
ul_switch_off_field();
- uint16_t tagT = GetHF14AMfU_Type();
+ uint32_t tagT = GetHF14AMfU_Type();
ul_print_type(tagT, 0);
//reconnect for further tests
uint64_t uid = 0;
uint8_t cmdp = 0;
+ clearCommandBuffer();
+
while(param_getchar(Cmd, cmdp) != 0x00)
{
switch(param_getchar(Cmd, cmdp))
PrintAndLog("Press pm3-button to abort simulation");
UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
+
num_to_bytes(uid, 7, c.d.asBytes);
SendCommand(&c);
+ uint8_t data[40];
+ uint8_t key[6];
+ UsbCommand resp;
while(!ukbhit()){
- UsbCommand resp;
- WaitForResponseTimeout(CMD_ACK,&resp,1500);
- PrintAndLog("Got %04X %02X", resp.arg[0], resp.arg[0]);
- if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
- uint8_t data[40];
- uint8_t key[6];
- int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
- memcpy(data, resp.d.asBytes, len);
- tryMfk32(uid, data, key);
- //tryMfk64(uid, data, key);
- PrintAndLog("--");
- memset(data,0x00, 40);
- }
- }
- return 0;
-}
-
-int tryMfk32(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
-
- struct Crypto1State *s,*t;
- uint64_t key; // recovered key
- uint32_t uid; // serial number
- uint32_t nt; // tag challenge
- uint32_t nr0_enc; // first encrypted reader challenge
- uint32_t ar0_enc; // first encrypted reader response
- uint32_t nr1_enc; // second encrypted reader challenge
- uint32_t ar1_enc; // second encrypted reader response
- bool isSuccess = FALSE;
- int counter = 0;
-
- uid = myuid;//(uint32_t)bytes_to_num(data + 0, 4);
- nt = *(uint32_t*)(data+8);
- nr0_enc = *(uint32_t*)(data+12);
- ar0_enc = *(uint32_t*)(data+16);
- nr1_enc = *(uint32_t*)(data+32);
- ar1_enc = *(uint32_t*)(data+36);
-
- // PrintAndLog("Recovering key for:");
- // PrintAndLog(" uid: %08x",uid);
- // PrintAndLog(" nt: %08x",nt);
- // PrintAndLog(" {nr_0}: %08x",nr0_enc);
- // PrintAndLog(" {ar_0}: %08x",ar0_enc);
- // PrintAndLog(" {nr_1}: %08x",nr1_enc);
- // PrintAndLog(" {ar_1}: %08x",ar1_enc);
-
- s = lfsr_recovery32(ar0_enc ^ prng_successor(nt, 64), 0);
-
- for(t = s; t->odd | t->even; ++t) {
- lfsr_rollback_word(t, 0, 0);
- lfsr_rollback_word(t, nr0_enc, 1);
- lfsr_rollback_word(t, uid ^ nt, 0);
- crypto1_get_lfsr(t, &key);
- crypto1_word(t, uid ^ nt, 0);
- crypto1_word(t, nr1_enc, 1);
- if (ar1_enc == (crypto1_word(t, 0, 0) ^ prng_successor(nt, 64))) {
- PrintAndLog("Found Key: [%012"llx"]",key);
- isSuccess = TRUE;
- ++counter;
- if (counter==10)
- break;
+ if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
+ memset(data, 0x00, sizeof(data));
+ memset(key, 0x00, sizeof(key));
+ int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
+ memcpy(data, resp.d.asBytes, len);
+ tryMfk32(uid, data, key);
+ //tryMfk64(uid, data, key);
+ PrintAndLog("--");
+ }
}
}
- free(s);
- return isSuccess;
-}
-
-int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
-
- struct Crypto1State *revstate;
- uint64_t key; // recovered key
- uint32_t uid; // serial number
- uint32_t nt; // tag challenge
- uint32_t nr_enc; // encrypted reader challenge
- uint32_t ar_enc; // encrypted reader response
- uint32_t at_enc; // encrypted tag response
- uint32_t ks2; // keystream used to encrypt reader response
- uint32_t ks3; // keystream used to encrypt tag response
-
- struct Crypto1State mpcs = {0, 0};
- struct Crypto1State *pcs;
- pcs = &mpcs;
-
-
-
- uid = myuid;//(uint32_t)bytes_to_num(data + 0, 4);
- nt = *(uint32_t*)(data+8);
- nr_enc = *(uint32_t*)(data+12);
- ar_enc = *(uint32_t*)(data+16);
-
- crypto1_word(pcs, nr_enc , 1);
- at_enc = prng_successor(nt, 96) ^ crypto1_word(pcs, 0, 0);
-
- // printf("Recovering key for:\n");
- // printf(" uid: %08x\n",uid);
- // printf(" nt: %08x\n",nt);
- // printf(" {nr}: %08x\n",nr_enc);
- // printf(" {ar}: %08x\n",ar_enc);
- // printf(" {at}: %08x\n",at_enc);
-
- // Extract the keystream from the messages
- ks2 = ar_enc ^ prng_successor(nt, 64);
- ks3 = at_enc ^ prng_successor(nt, 96);
-
- revstate = lfsr_recovery64(ks2, ks3);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, nr_enc, 1);
- lfsr_rollback_word(revstate, uid ^ nt, 0);
- crypto1_get_lfsr(revstate, &key);
- PrintAndLog("Found Key: [%012"llx"]",key);
- crypto1_destroy(revstate);
- crypto1_destroy(pcs);
return 0;
}
projects / proxmark3-svn / blobdiff