}
}
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0])
+ {
+ case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
+ case ICLASS_CMD_READ_OR_IDENTIFY:{
+ if(cmdsize > 1){
+ snprintf(exp,size,"READ(%d)",cmd[1]);
+ }else{
+ snprintf(exp,size,"IDENTIFY");
+ }
+ break;
+ }
+ case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
+ case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+ case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
+ case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
+ case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+ case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
+ case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+ default: snprintf(exp,size,"?"); break;
+ }
+ return;
+}
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+
+ if(cmd[0] == 0x26)
+ {
+ switch(cmd[1]){
+ case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
+ case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
+ default: snprintf(exp,size,"?"); break;
+
+ }
+ }else if(cmd[0] == 0x02)
+ {
+ switch(cmd[1])
+ {
+ case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
+ case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
+ case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
+ case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+ case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
+ case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
+ case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
+ case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
+ case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
+ case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
+ case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
+ case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
+ default: snprintf(exp,size,"?"); break;
+ }
+ }
+}
+
+
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]) {
+ case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
+ case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
+ case TOPAZ_RID :snprintf(exp, size, "RID");break;
+ case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
+ case TOPAZ_READ :snprintf(exp, size, "READ");break;
+ case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
+ case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
+ case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
+ case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
+ case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
+ case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
+ default: snprintf(exp,size,"?"); break;
+ }
+}
+
+
+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]){
+ case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
+ case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+ case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
+ case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
+ case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
+ case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
+ case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
+ case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
+ case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
+ case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
+ case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
+ default : snprintf(exp,size ,"?");break;
+ }
+
+}
+
void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
switch(cmd[0])
if (cmdsize == 4 && isResponse) {
snprintf(exp,size,"AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
MifareAuthState = masNrAr;
- if (AuthData.first_auth)
+ if (AuthData.first_auth) {
AuthData.nt = bytes_to_num(cmd, 4);
- else
+ } else {
AuthData.nt_enc = bytes_to_num(cmd, 4);
AuthData.nt_enc_par = parity[0];
+ }
return;
} else {
MifareAuthState = masError;
if (MifareAuthState == masAuthComplete) {
if (traceCrypto1) {
crypto1_destroy(traceCrypto1);
+ traceCrypto1 = NULL;
}
MifareAuthState = masFirstData;
if (AuthData.first_auth) {
AuthData.ks2 = AuthData.ar_enc ^ prng_successor(AuthData.nt, 64);
AuthData.ks3 = AuthData.at_enc ^ prng_successor(AuthData.nt, 96);
- struct Crypto1State *revstate = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, AuthData.nr_enc, 1);
- lfsr_rollback_word(revstate, AuthData.uid ^ AuthData.nt, 0);
-
- uint64_t lfsr = 0;
- crypto1_get_lfsr(revstate, &lfsr);
- crypto1_destroy(revstate);
- mfLastKey = lfsr;
- PrintAndLog(" | * | key | probable key:%x%x Prng:%s ks2:%08x ks3:%08x | |",
- (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32),
- (unsigned int)(lfsr & 0xFFFFFFFF),
+
+ mfLastKey = GetCrypto1ProbableKey(&AuthData);
+ PrintAndLog(" | * | key | probable key:%012"PRIx64" Prng:%s ks2:%08x ks3:%08x | |",
+ mfLastKey,
validate_prng_nonce(AuthData.nt) ? "WEAK": "HARD",
AuthData.ks2,
AuthData.ks3);
traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
} else {
+ if (traceCrypto1) {
+ crypto1_destroy(traceCrypto1);
+ traceCrypto1 = NULL;
+ }
+
// check last used key
if (mfLastKey) {
if (NestedCheckKey(mfLastKey, &AuthData, cmd, cmdsize, parity)) {
- PrintAndLog(" | * | key | last used key:%x%x ks2:%08x ks3:%08x | |",
- (unsigned int)((mfLastKey & 0xFFFFFFFF00000000) >> 32),
- (unsigned int)(mfLastKey & 0xFFFFFFFF),
+ PrintAndLog(" | * | key | last used key:%012"PRIx64" ks2:%08x ks3:%08x | |",
+ mfLastKey,
AuthData.ks2,
AuthData.ks3);
if (!traceCrypto1) {
for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
if (NestedCheckKey(MifareDefaultKeys[defaultKeyCounter], &AuthData, cmd, cmdsize, parity)) {
- PrintAndLog(" | * | key | default key:%x%x ks2:%08x ks3:%08x | |",
- (unsigned int)((MifareDefaultKeys[defaultKeyCounter] & 0xFFFFFFFF00000000) >> 32),
- (unsigned int)(MifareDefaultKeys[defaultKeyCounter] & 0xFFFFFFFF),
+ PrintAndLog(" | * | key | default key:%012"PRIx64" ks2:%08x ks3:%08x | |",
+ MifareDefaultKeys[defaultKeyCounter],
AuthData.ks2,
AuthData.ks3);
+ mfLastKey = MifareDefaultKeys[defaultKeyCounter];
traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
break;
};
// nested
if (!traceCrypto1 && validate_prng_nonce(AuthData.nt)) {
-printf("nested. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, AuthData.ar_enc, AuthData.at_enc);
- uint32_t ntx = prng_successor(AuthData.nt, 90);
+ uint32_t ntx = prng_successor(AuthData.nt, 90);
for (int i = 0; i < 16383; i++) {
ntx = prng_successor(ntx, 1);
if (NTParityChk(&AuthData, ntx)){
mf_crypto1_decrypt(pcs, mfData, cmdsize, 0);
crypto1_destroy(pcs);
- if (CheckCrc14443(CRC_14443_A, mfData, cmdsize)) {
+ if (CheckCrypto1Parity(cmd, cmdsize, mfData, parity) && CheckCrc14443(CRC_14443_A, mfData, cmdsize)) {
AuthData.ks2 = ks2;
AuthData.ks3 = ks3;
+
+ AuthData.nt = ntx;
+ mfLastKey = GetCrypto1ProbableKey(&AuthData);
+ PrintAndLog(" | * | key | nested probable key:%012"PRIx64" ks2:%08x ks3:%08x | |",
+ mfLastKey,
+ AuthData.ks2,
+ AuthData.ks3);
+
traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
break;
}
}
}
- if (traceCrypto1)
- printf("key> nt=%08x nonce distance=%d \n", ntx, nonce_distance(AuthData.nt, ntx));
- else
- printf("key> don't have any valid nt( \n");
}
//hardnested
if (!traceCrypto1) {
printf("hardnested not implemented. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, AuthData.ar_enc, AuthData.at_enc);
+ MifareAuthState = masError;
+
+ /* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
+ uint32_t t = msclock();
+ uint32_t t1 = t;
+ int n = 0;
+ for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
+ if (NTParityChk(&AuthData, i)){
+
+ uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
+ uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
+ struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
+
+
+
+
+ n++;
+
+ if (!(n % 100000)) {
+ printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
+ t1 = msclock();
+ }
+
+ }
+ }
+ printf("delta=%d n=%d\n", msclock() - t, n);
+ */
}
}
if(!CheckCrc14443(CRC_14443_A, buf, cmdsize))
return false;
+ AuthData.nt = nt1;
AuthData.ks2 = AuthData.ar_enc ^ ar;
AuthData.ks3 = AuthData.at_enc ^ at;
}
bool CheckCrypto1Parity(uint8_t *cmd_enc, uint8_t cmdsize, uint8_t *cmd, uint8_t *parity_enc) {
- uint8_t parity[16];
- oddparitybuf(cmd, cmdsize, parity);
- printf("parity check. size=%d\n", cmdsize);
- printf("cmd =%s\n", sprint_hex(cmd, cmdsize));
- printf("cmd_enc=%s\n", sprint_hex(cmd_enc, cmdsize));
- printf("parity =%s\n", printBitsPar(parity, cmdsize));
- printf("parity_enc=%s\n", printBitsPar(parity_enc, cmdsize));
-// (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((ad->nt_enc_par >> 5) & 0x01) ^ (ad->nt_enc & 0x01)) ||
-// (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((ad->nt_enc_par >> 7) & 0x01) ^ (ad->nt_enc >> 16 & 0x01))
for (int i = 0; i < cmdsize - 1; i++) {
- bool b = oddparity8(cmd[i]) ^ (cmd[i + 1] & 0x01) ^ ((parity_enc[i / 8] >> (7 - i % 8)) & 0x01) ^ (cmd_enc[i + 1] & 0x01);
- if (b)
- printf("!!! i=%d \n", i);
+ if (oddparity8(cmd[i]) ^ (cmd[i + 1] & 0x01) ^ ((parity_enc[i / 8] >> (7 - i % 8)) & 0x01) ^ (cmd_enc[i + 1] & 0x01))
+ return false;
}
return true;
}
+
+uint64_t GetCrypto1ProbableKey(TAuthData *ad) {
+ struct Crypto1State *revstate = lfsr_recovery64(ad->ks2, ad->ks3);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, ad->nr_enc, 1);
+ lfsr_rollback_word(revstate, ad->uid ^ ad->nt, 0);
+
+ uint64_t lfsr = 0;
+ crypto1_get_lfsr(revstate, &lfsr);
+ crypto1_destroy(revstate);
+
+ return lfsr;
+}
projects / proxmark3-svn / blobdiff