X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/597fca4ff17facc186df1de069d52b3f343c44f6..e069547c27276069fd8d1cf93a281b819127bec4:/client/cmdhflist.c?ds=sidebyside diff --git a/client/cmdhflist.c b/client/cmdhflist.c index 7059a223..cf69abba 100644 --- a/client/cmdhflist.c +++ b/client/cmdhflist.c @@ -83,6 +83,116 @@ uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len) } } +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]) @@ -215,11 +325,12 @@ void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, uint8 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; @@ -266,6 +377,7 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes if (MifareAuthState == masAuthComplete) { if (traceCrypto1) { crypto1_destroy(traceCrypto1); + traceCrypto1 = NULL; } MifareAuthState = masFirstData; @@ -279,19 +391,10 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes 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); @@ -300,12 +403,16 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes 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); @@ -317,12 +424,12 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes 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; }; @@ -331,8 +438,7 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes // 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)){ @@ -344,23 +450,54 @@ printf("nested. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, 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); + */ } } @@ -437,6 +574,7 @@ bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, if(!CheckCrc14443(CRC_14443_A, buf, cmdsize)) return false; + AuthData.nt = nt1; AuthData.ks2 = AuthData.ar_enc ^ ar; AuthData.ks3 = AuthData.at_enc ^ at; @@ -444,20 +582,24 @@ bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, } 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; +}