X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0ce5620254d53745397f06b349f7c4d35c1f41d8..55eaed8f2ad26b9db249e2259c13444c38906795:/client/mifarehost.c diff --git a/client/mifarehost.c b/client/mifarehost.c index 72e70662..d025918d 100644 --- a/client/mifarehost.c +++ b/client/mifarehost.c @@ -26,8 +26,6 @@ int compar_int(const void * a, const void * b) { else return -1; } - - // Compare 16 Bits out of cryptostate int Compare16Bits(const void * a, const void * b) { if ((*(uint64_t*)b & 0x00ff000000ff0000) == (*(uint64_t*)a & 0x00ff000000ff0000)) return 0; @@ -35,7 +33,6 @@ int Compare16Bits(const void * a, const void * b) { else return -1; } - typedef struct { union { @@ -70,16 +67,12 @@ void* nested_worker_thread(void *arg) return statelist->head.slhead; } - - - int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t * key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t * resultKey, bool calibrate) { uint16_t i, len; uint32_t uid; UsbCommand resp; - StateList_t statelists[2]; struct Crypto1State *p1, *p2, *p3, *p4; @@ -238,23 +231,22 @@ int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) { // "MAGIC" CARD -int mfCSetUID(uint8_t *uid, uint8_t *oldUID, int wantWipe) { - uint8_t block0[16]; - memset(block0, 0, 16); +int mfCSetUID(uint8_t *uid, uint8_t *oldUID, bool wantWipe) { + uint8_t block0[16] = {0x00}; memcpy(block0, uid, 4); block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // Mifare UID BCC // mifare classic SAK(byte 5) and ATQA(byte 6 and 7) - block0[5] = 0x88; + block0[5] = 0x08; block0[6] = 0x04; block0[7] = 0x00; return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER); } -int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, int wantWipe, uint8_t params) { - uint8_t isOK = 0; +int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uint8_t params) { - UsbCommand c = {CMD_MIFARE_EML_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}}; + uint8_t isOK = 0; + UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}}; memcpy(c.d.asBytes, data, 16); SendCommand(&c); @@ -273,7 +265,7 @@ int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, int wantWipe, uint int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) { uint8_t isOK = 0; - UsbCommand c = {CMD_MIFARE_EML_CGETBLOCK, {params, 0, blockNo}}; + UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}}; SendCommand(&c); UsbCommand resp; @@ -296,7 +288,7 @@ static uint8_t trailerAccessBytes[4] = {0x08, 0x77, 0x8F, 0x00}; // variables char logHexFileName[200] = {0x00}; static uint8_t traceCard[4096] = {0x00}; -static char traceFileName[200] = {0}; +static char traceFileName[200] = {0x00}; static int traceState = TRACE_IDLE; static uint8_t traceCurBlock = 0; static uint8_t traceCurKey = 0; @@ -310,12 +302,9 @@ uint32_t ks3; uint32_t uid; // serial number uint32_t nt; // tag challenge -uint32_t nt_par; uint32_t nr_enc; // encrypted reader challenge uint32_t ar_enc; // encrypted reader response -uint32_t nr_ar_par; uint32_t at_enc; // encrypted tag response -uint32_t at_par; int isTraceCardEmpty(void) { return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0)); @@ -350,13 +339,15 @@ int loadTraceCard(uint8_t *tuid) { while(!feof(f)){ memset(buf, 0, sizeof(buf)); if (fgets(buf, sizeof(buf), f) == NULL) { - PrintAndLog("File reading error."); + PrintAndLog("File reading error."); + fclose(f); return 2; - } + } if (strlen(buf) < 32){ if (feof(f)) break; PrintAndLog("File content error. Block data must include 32 HEX symbols"); + fclose(f); return 2; } for (i = 0; i < 32; i += 2) @@ -422,7 +413,7 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool i } -int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEmlFile) { +int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) { uint8_t data[64]; if (traceState == TRACE_ERROR) return 1; @@ -523,9 +514,7 @@ int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEm case TRACE_AUTH1: if (len == 4) { traceState = TRACE_AUTH2; - nt = bytes_to_num(data, 4); - nt_par = parity; return 0; } else { traceState = TRACE_ERROR; @@ -539,7 +528,6 @@ int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEm nr_enc = bytes_to_num(data, 4); ar_enc = bytes_to_num(data + 4, 4); - nr_ar_par = parity; return 0; } else { traceState = TRACE_ERROR; @@ -552,7 +540,6 @@ int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEm traceState = TRACE_IDLE; at_enc = bytes_to_num(data, 4); - at_par = parity; // decode key here) ks2 = ar_enc ^ prng_successor(nt, 64); @@ -562,6 +549,7 @@ int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEm lfsr_rollback_word(revstate, 0, 0); lfsr_rollback_word(revstate, nr_enc, 1); lfsr_rollback_word(revstate, uid ^ nt, 0); + crypto1_get_lfsr(revstate, &lfsr); printf("key> %x%x\n", (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF)); AddLogUint64(logHexFileName, "key> ", lfsr);