X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/623db3559bd3da895035f61cf1f1a7374f2365cf..bb9796ba263491c2189b87f75e2df20adf02633c:/client/cmdhf14a.c?ds=sidebyside diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c index 0527ad4d..c85fadda 100644 --- a/client/cmdhf14a.c +++ b/client/cmdhf14a.c @@ -24,7 +24,7 @@ #include "cmdmain.h" #include "mifare.h" #include "cmdhfmfu.h" -#include "nonce2key/crapto1.h" +#include "nonce2key/nonce2key.h" #define llx PRIx64 @@ -464,6 +464,7 @@ static int usage_hf_14a_sim(void) PrintAndLog(" 4 = ISO/IEC 14443-4"); PrintAndLog(" 5 = MIFARE Tnp3xxx"); PrintAndLog(" 6 = MIFARE Mini"); + PrintAndLog(" 7 = AMIIBO (NTAG 215), pack 0x8080"); PrintAndLog(" u : 4 or 7 byte UID"); PrintAndLog(" x : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader"); PrintAndLog("\n sample : hf 14a sim t 1 u 1122344"); @@ -481,6 +482,8 @@ int CmdHF14ASim(const char *Cmd) uint64_t uid = 0; uint8_t cmdp = 0; + clearCommandBuffer(); + while(param_getchar(Cmd, cmdp) != 0x00) { switch(param_getchar(Cmd, cmdp)) @@ -531,122 +534,27 @@ int CmdHF14ASim(const char *Cmd) 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); + tryMfk32_moebius(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; } @@ -694,7 +602,7 @@ int CmdHF14ACmdRaw(const char *cmd) { uint32_t temp; if (strlen(cmd)<2) { - PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-a] [-t] [-b] <0A 0B 0C ... hex>"); + PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-a] [-T] [-t] [-b] <0A 0B 0C ... hex>"); PrintAndLog(" -r do not read response"); PrintAndLog(" -c calculate and append CRC"); PrintAndLog(" -p leave the signal field ON after receive"); @@ -819,6 +727,7 @@ int CmdHF14ACmdRaw(const char *cmd) { c.arg[1] = (datalen & 0xFFFF) | (numbits << 16); memcpy(c.d.asBytes,data,datalen); + clearCommandBuffer(); SendCommand(&c); if (reply) {