X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/3d057cfb918fb7e296cd27d6ced98008ea967753..fdd9395d1a0f331f9cc74d6cdd6dd71447524e6c:/client/mifare4.c diff --git a/client/mifare4.c b/client/mifare4.c deleted file mode 100644 index 419e9b23..00000000 --- a/client/mifare4.c +++ /dev/null @@ -1,311 +0,0 @@ -//----------------------------------------------------------------------------- -// Copyright (C) 2018 Merlok -// Copyright (C) 2018 drHatson -// -// This code is licensed to you under the terms of the GNU GPL, version 2 or, -// at your option, any later version. See the LICENSE.txt file for the text of -// the license. -//----------------------------------------------------------------------------- -// iso14443-4 mifare commands -//----------------------------------------------------------------------------- - -#include "mifare4.h" -#include -#include -#include "cmdhf14a.h" -#include "util.h" -#include "ui.h" -#include "crypto/libpcrypto.h" - -AccessConditions_t MFAccessConditions[] = { - {0x00, "read AB; write AB; increment AB; decrement transfer restore AB"}, - {0x01, "read AB; decrement transfer restore AB"}, - {0x02, "read AB"}, - {0x03, "read B; write B"}, - {0x04, "read AB; writeB"}, - {0x05, "read B"}, - {0x06, "read AB; write B; increment B; decrement transfer restore AB"}, - {0x07, "none"} -}; - -AccessConditions_t MFAccessConditionsTrailer[] = { - {0x00, "read A by A; read ACCESS by A; read B by A; write B by A"}, - {0x01, "write A by A; read ACCESS by A write ACCESS by A; read B by A; write B by A"}, - {0x02, "read ACCESS by A; read B by A"}, - {0x03, "write A by B; read ACCESS by AB; write ACCESS by B; write B by B"}, - {0x04, "write A by B; read ACCESS by AB; write B by B"}, - {0x05, "read ACCESS by AB; write ACCESS by B"}, - {0x06, "read ACCESS by AB"}, - {0x07, "read ACCESS by AB"} -}; - -char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data) { - static char StaticNone[] = "none"; - - uint8_t data1 = ((data[1] >> 4) & 0x0f) >> blockn; - uint8_t data2 = ((data[2]) & 0x0f) >> blockn; - uint8_t data3 = ((data[2] >> 4) & 0x0f) >> blockn; - - uint8_t cond = (data1 & 0x01) << 2 | (data2 & 0x01) << 1 | (data3 & 0x01); - - if (blockn == 3) { - for (int i = 0; i < ARRAYLEN(MFAccessConditionsTrailer); i++) - if (MFAccessConditionsTrailer[i].cond == cond) { - return MFAccessConditionsTrailer[i].description; - } - } else { - for (int i = 0; i < ARRAYLEN(MFAccessConditions); i++) - if (MFAccessConditions[i].cond == cond) { - return MFAccessConditions[i].description; - } - }; - - return StaticNone; -}; - -int CalculateEncIVCommand(mf4Session *session, uint8_t *iv, bool verbose) { - memcpy(&iv[0], session->TI, 4); - memcpy(&iv[4], &session->R_Ctr, 2); - memcpy(&iv[6], &session->W_Ctr, 2); - memcpy(&iv[8], &session->R_Ctr, 2); - memcpy(&iv[10], &session->W_Ctr, 2); - memcpy(&iv[12], &session->R_Ctr, 2); - memcpy(&iv[14], &session->W_Ctr, 2); - - return 0; -} - -int CalculateEncIVResponse(mf4Session *session, uint8_t *iv, bool verbose) { - memcpy(&iv[0], &session->R_Ctr, 2); - memcpy(&iv[2], &session->W_Ctr, 2); - memcpy(&iv[4], &session->R_Ctr, 2); - memcpy(&iv[6], &session->W_Ctr, 2); - memcpy(&iv[8], &session->R_Ctr, 2); - memcpy(&iv[10], &session->W_Ctr, 2); - memcpy(&iv[12], session->TI, 4); - - return 0; -} - - -int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose) { - if (!session || !session->Authenticated || !mac || !data || !datalen || datalen < 1) - return 1; - - memset(mac, 0x00, 8); - - uint16_t ctr = session->R_Ctr; - switch(mtype) { - case mtypWriteCmd: - case mtypWriteResp: - ctr = session->W_Ctr; - break; - case mtypReadCmd: - case mtypReadResp: - break; - } - - uint8_t macdata[2049] = {data[0], (ctr & 0xFF), (ctr >> 8), 0}; - int macdatalen = datalen; - memcpy(&macdata[3], session->TI, 4); - - switch(mtype) { - case mtypReadCmd: - memcpy(&macdata[7], &data[1], datalen - 1); - macdatalen = datalen + 6; - break; - case mtypReadResp: - macdata[7] = blockNum; - macdata[8] = 0; - macdata[9] = blockCount; - memcpy(&macdata[10], &data[1], datalen - 1); - macdatalen = datalen + 9; - break; - case mtypWriteCmd: - memcpy(&macdata[7], &data[1], datalen - 1); - macdatalen = datalen + 6; - break; - case mtypWriteResp: - macdatalen = 1 + 6; - break; - } - - if (verbose) - PrintAndLog("MAC data[%d]: %s", macdatalen, sprint_hex(macdata, macdatalen)); - - return aes_cmac8(NULL, session->Kmac, macdata, mac, macdatalen); -} - -int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose) { - uint8_t data[257] = {0}; - int datalen = 0; - - uint8_t RndA[17] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00}; - uint8_t RndB[17] = {0}; - - if (session) - session->Authenticated = false; - - uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00}; - int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen); - if (res) { - PrintAndLog("ERROR exchande raw error: %d", res); - DropField(); - return 2; - } - - if (verbose) - PrintAndLog("phase2: %s", sprint_hex(cmd2, 33)); - - res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen); - if (res) { - PrintAndLog("ERROR exchande raw error: %d", res); - DropField(); - return 4; - } - - if (verbose) - PrintAndLog("Authenticated = true; - session->R_Ctr = 0; - session->W_Ctr = 0; - session->KeyNum = keyn[1] + (keyn[0] << 8); - memmove(session->RndA, RndA, 16); - memmove(session->RndB, RndB, 16); - memmove(session->Key, key, 16); - memmove(session->TI, raw, 4); - memmove(session->PICCap2, &raw[20], 6); - memmove(session->PCDCap2, &raw[26], 6); - memmove(session->Kenc, kenc, 16); - memmove(session->Kmac, kmac, 16); - } - - PrintAndLog("Authentication OK"); - - return 0; -} - -// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards), -// plus evtl. 8 sectors with 16 blocks each (4k cards) -uint8_t mfNumBlocksPerSector(uint8_t sectorNo) { - if (sectorNo < 32) - return 4; - else - return 16; -} - -uint8_t mfFirstBlockOfSector(uint8_t sectorNo) { - if (sectorNo < 32) - return sectorNo * 4; - else - return 32 * 4 + (sectorNo - 32) * 16; -} - -uint8_t mfSectorTrailer(uint8_t blockNo) { - if (blockNo < 32*4) { - return (blockNo | 0x03); - } else { - return (blockNo | 0x0f); - } -} - -bool mfIsSectorTrailer(uint8_t blockNo) { - return (blockNo == mfSectorTrailer(blockNo)); -} - -uint8_t mfSectorNum(uint8_t blockNo) { - if (blockNo < 32 * 4) - return blockNo / 4; - else - return 32 + (blockNo - 32 * 4) / 16; - -}