X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/26ea310f0e5d5158ede05e0236e315b2b1cb5bdb..73d7bf75c8b1d9afde18964ba597a84966b4f272:/client/mifarehost.c?ds=inline diff --git a/client/mifarehost.c b/client/mifarehost.c index 3b524758..a02019a3 100644 --- a/client/mifarehost.c +++ b/client/mifarehost.c @@ -228,17 +228,46 @@ int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t key *key = -1; - UsbCommand c = {CMD_MIFARE_CHKKEYS, {((blockNo & 0xff) | ((keyType&0xff)<<8)), clear_trace, keycnt}}; + UsbCommand c = {CMD_MIFARE_CHKKEYS, {((blockNo & 0xff) | ((keyType & 0xff) << 8)), clear_trace, keycnt}}; memcpy(c.d.asBytes, keyBlock, 6 * keycnt); SendCommand(&c); UsbCommand resp; - if (!WaitForResponseTimeout(CMD_ACK,&resp,3000)) return 1; + if (!WaitForResponseTimeout(CMD_ACK,&resp,3000)) return 1; if ((resp.arg[0] & 0xff) != 0x01) return 2; *key = bytes_to_num(resp.d.asBytes, 6); return 0; } +int mfCheckKeysSec(uint8_t sectorCnt, uint8_t keyType, uint8_t timeout14a, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, sector_t * e_sector){ + + uint8_t keyPtr = 0; + + if (e_sector == NULL) + return -1; + + UsbCommand c = {CMD_MIFARE_CHKKEYS, {((sectorCnt & 0xff) | ((keyType & 0xff) << 8)), (clear_trace | 0x02)|((timeout14a & 0xff) << 8), keycnt}}; + memcpy(c.d.asBytes, keyBlock, 6 * keycnt); + SendCommand(&c); + + UsbCommand resp; + if (!WaitForResponseTimeoutW(CMD_ACK, &resp, MAX(3000, 1000 + 13 * sectorCnt * keycnt * (keyType == 2 ? 2 : 1)), false)) return 1; // timeout: 13 ms / fail auth + if ((resp.arg[0] & 0xff) != 0x01) return 2; + + bool foundAKey = false; + for(int sec = 0; sec < sectorCnt; sec++){ + for(int keyAB = 0; keyAB < 2; keyAB++){ + keyPtr = *(resp.d.asBytes + keyAB * 40 + sec); + if (keyPtr){ + e_sector[sec].foundKey[keyAB] = true; + e_sector[sec].Key[keyAB] = bytes_to_num(keyBlock + (keyPtr - 1) * 6, 6); + foundAKey = true; + } + } + } + return foundAKey ? 0 : 3; +} + // 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; @@ -418,7 +447,7 @@ int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) { UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}}; SendCommand(&c); - UsbCommand resp; + UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { isOK = resp.arg[0] & 0xff; memcpy(data, resp.d.asBytes, 16); @@ -437,8 +466,8 @@ int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uin memcpy(c.d.asBytes, data, 16); SendCommand(&c); - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) { isOK = resp.arg[0] & 0xff; if (uid != NULL) memcpy(uid, resp.d.asBytes, 4); @@ -448,25 +477,40 @@ int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uin PrintAndLog("Command execute timeout"); return 1; } + return 0; } -int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, bool wantWipe) { +int mfCWipe(uint32_t numSectors, bool gen1b, bool wantWipe, bool wantFill) { + uint8_t isOK = 0; + uint8_t cmdParams = wantWipe + wantFill * 0x02 + gen1b * 0x04; + UsbCommand c = {CMD_MIFARE_CWIPE, {numSectors, cmdParams, 0}}; + SendCommand(&c); + + UsbCommand resp; + WaitForResponse(CMD_ACK,&resp); + isOK = resp.arg[0] & 0xff; + + return isOK; +} + +int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID) { uint8_t oldblock0[16] = {0x00}; uint8_t block0[16] = {0x00}; - int old, gen = 0; + int gen = 0, res; gen = mfCIdentify(); + /* generation 1a magic card by default */ + uint8_t cmdParams = CSETBLOCK_SINGLE_OPER; if (gen == 2) { /* generation 1b magic card */ - old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B); - } else { - /* generation 1a magic card by default */ - old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER); + cmdParams = CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B; } + + res = mfCGetBlock(0, oldblock0, cmdParams); - if (old == 0) { + if (res == 0) { memcpy(block0, oldblock0, 16); PrintAndLog("old block 0: %s", sprint_hex(block0,16)); } else { @@ -477,25 +521,73 @@ int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, bool w // UID memcpy(block0, uid, 4); // Mifare UID BCC - block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; + block0[4] = block0[0] ^ block0[1] ^ block0[2] ^ block0[3]; // mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed) - if (sak!=NULL) - block0[5]=sak[0]; - if (atqa!=NULL) { - block0[6]=atqa[1]; - block0[7]=atqa[0]; + if (sak != NULL) + block0[5] = sak[0]; + if (atqa != NULL) { + block0[6] = atqa[1]; + block0[7] = atqa[0]; } - PrintAndLog("new block 0: %s", sprint_hex(block0,16)); + PrintAndLog("new block 0: %s", sprint_hex(block0, 16)); - if (gen == 2) { - /* generation 1b magic card */ - return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B); - } else { - /* generation 1a magic card by default */ - return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER); + res = mfCSetBlock(0, block0, oldUID, false, cmdParams); + if (res) { + PrintAndLog("Can't set block 0. Error: %d", res); + return res; } + + return 0; } +int mfCIdentify() +{ + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; + SendCommand(&c); + + UsbCommand resp; + WaitForResponse(CMD_ACK,&resp); + + // iso14a_card_select_t card; + // memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); + + // uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision + + // if(select_status != 0) { + // uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0 + // c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT; + // c.arg[1] = 2; + // c.arg[2] = 0; + // memcpy(c.d.asBytes, rats, 2); + // SendCommand(&c); + // WaitForResponse(CMD_ACK,&resp); + // } + + c.cmd = CMD_MIFARE_CIDENT; + c.arg[0] = 0; + c.arg[1] = 0; + c.arg[2] = 0; + SendCommand(&c); + WaitForResponse(CMD_ACK,&resp); + + uint8_t isGeneration = resp.arg[0] & 0xff; + switch( isGeneration ){ + case 1: PrintAndLog("Chinese magic backdoor commands (GEN 1a) detected"); break; + case 2: PrintAndLog("Chinese magic backdoor command (GEN 1b) detected"); break; + default: PrintAndLog("No chinese magic backdoor command detected"); break; + } + + // disconnect + c.cmd = CMD_READER_ISO_14443a; + c.arg[0] = 0; + c.arg[1] = 0; + c.arg[2] = 0; + SendCommand(&c); + + return (int) isGeneration; +} + + // SNIFFER // constants @@ -820,6 +912,8 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) { return 0; } +// DECODING + int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len){ /* uint32_t nt; // tag challenge @@ -840,49 +934,3 @@ int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, return 0; } -int mfCIdentify() -{ - UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; - SendCommand(&c); - - UsbCommand resp; - WaitForResponse(CMD_ACK,&resp); - - iso14a_card_select_t card; - memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); - - uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision - - if(select_status != 0) { - uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0 - c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT; - c.arg[1] = 2; - c.arg[2] = 0; - memcpy(c.d.asBytes, rats, 2); - SendCommand(&c); - WaitForResponse(CMD_ACK,&resp); - } - - c.cmd = CMD_MIFARE_CIDENT; - c.arg[0] = 0; - c.arg[1] = 0; - c.arg[2] = 0; - SendCommand(&c); - WaitForResponse(CMD_ACK,&resp); - - uint8_t isGeneration = resp.arg[0] & 0xff; - switch( isGeneration ){ - case 1: PrintAndLog("Chinese magic backdoor commands (GEN 1a) detected"); break; - case 2: PrintAndLog("Chinese magic backdoor command (GEN 1b) detected"); break; - default: PrintAndLog("No chinese magic backdoor command detected"); break; - } - - // disconnect - c.cmd = CMD_READER_ISO_14443a; - c.arg[0] = 0; - c.arg[1] = 0; - c.arg[2] = 0; - SendCommand(&c); - - return (int) isGeneration; -}