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https://github.com/Proxmark/proxmark3.git
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44964fd181
* coverity fixes (including a real bug in cmdhftopaz.c) * Typo fix * replace TRUE/FALSE by stdbool true/false
1614 lines
43 KiB
C
1614 lines
43 KiB
C
//-----------------------------------------------------------------------------
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// Merlok - June 2011, 2012
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// Gerhard de Koning Gans - May 2008
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// Hagen Fritsch - June 2010
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// Midnitesnake - Dec 2013
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// Andy Davies - Apr 2014
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// Iceman - May 2014
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Routines to support ISO 14443 type A.
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//-----------------------------------------------------------------------------
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#include "mifarecmd.h"
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#include "apps.h"
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#include "util.h"
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#include "parity.h"
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#include "crc.h"
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#define HARDNESTED_AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)
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#define HARDNESTED_PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication
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// the block number for the ISO14443-4 PCB
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static uint8_t pcb_blocknum = 0;
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// Deselect card by sending a s-block. the crc is precalced for speed
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static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};
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//-----------------------------------------------------------------------------
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// Select, Authenticate, Read a MIFARE tag.
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// read block
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//-----------------------------------------------------------------------------
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void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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{
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// params
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uint8_t blockNo = arg0;
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uint8_t keyType = arg1;
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uint64_t ui64Key = 0;
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ui64Key = bytes_to_num(datain, 6);
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// variables
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byte_t isOK = 0;
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byte_t dataoutbuf[16];
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uint8_t uid[10];
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uint32_t cuid;
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struct Crypto1State mpcs = {0, 0};
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struct Crypto1State *pcs;
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pcs = &mpcs;
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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LED_A_ON();
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LED_B_OFF();
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LED_C_OFF();
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while (true) {
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if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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break;
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};
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if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
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break;
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};
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if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");
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break;
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};
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if(mifare_classic_halt(pcs, cuid)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
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break;
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};
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isOK = 1;
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break;
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}
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// ----------------------------- crypto1 destroy
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crypto1_destroy(pcs);
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if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");
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LED_B_ON();
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cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
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LED_B_OFF();
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
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bool turnOffField = (arg0 == 1);
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LED_A_ON(); LED_B_OFF(); LED_C_OFF();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
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OnError(0);
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return;
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};
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if(!mifare_ultra_auth(keybytes)){
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");
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OnError(1);
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return;
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}
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if (turnOffField) {
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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cmd_send(CMD_ACK,1,0,0,0,0);
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}
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// Arg0 = BlockNo,
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// Arg1 = UsePwd bool
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// datain = PWD bytes,
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void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
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{
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uint8_t blockNo = arg0;
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byte_t dataout[16] = {0x00};
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bool useKey = (arg1 == 1); //UL_C
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bool usePwd = (arg1 == 2); //UL_EV1/NTAG
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LEDsoff();
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LED_A_ON();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);
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if(!len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
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OnError(1);
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return;
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}
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// UL-C authentication
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if ( useKey ) {
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uint8_t key[16] = {0x00};
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memcpy(key, datain, sizeof(key) );
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if ( !mifare_ultra_auth(key) ) {
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OnError(1);
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return;
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}
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}
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// UL-EV1 / NTAG authentication
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if ( usePwd ) {
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uint8_t pwd[4] = {0x00};
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memcpy(pwd, datain, 4);
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uint8_t pack[4] = {0,0,0,0};
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if (!mifare_ul_ev1_auth(pwd, pack)) {
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OnError(1);
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return;
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}
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}
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if( mifare_ultra_readblock(blockNo, dataout) ) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
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OnError(2);
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return;
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}
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if( mifare_ultra_halt() ) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
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OnError(3);
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return;
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}
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cmd_send(CMD_ACK,1,0,0,dataout,16);
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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//-----------------------------------------------------------------------------
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// Select, Authenticate, Read a MIFARE tag.
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// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)
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//-----------------------------------------------------------------------------
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void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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{
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// params
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uint8_t sectorNo = arg0;
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uint8_t keyType = arg1;
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uint64_t ui64Key = 0;
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ui64Key = bytes_to_num(datain, 6);
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// variables
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byte_t isOK = 0;
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byte_t dataoutbuf[16 * 16];
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uint8_t uid[10];
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uint32_t cuid;
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struct Crypto1State mpcs = {0, 0};
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struct Crypto1State *pcs;
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pcs = &mpcs;
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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LED_A_ON();
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LED_B_OFF();
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LED_C_OFF();
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isOK = 1;
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if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
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isOK = 0;
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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}
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if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
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isOK = 0;
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if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
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}
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for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
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if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) {
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isOK = 0;
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if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo);
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break;
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}
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}
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if(mifare_classic_halt(pcs, cuid)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
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}
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// ----------------------------- crypto1 destroy
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crypto1_destroy(pcs);
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if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");
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LED_B_ON();
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cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));
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LED_B_OFF();
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// Thats it...
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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// arg0 = blockNo (start)
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// arg1 = Pages (number of blocks)
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// arg2 = useKey
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// datain = KEY bytes
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void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
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{
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LEDsoff();
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LED_A_ON();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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// free eventually allocated BigBuf memory
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BigBuf_free();
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clear_trace();
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// params
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uint8_t blockNo = arg0;
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uint16_t blocks = arg1;
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bool useKey = (arg2 == 1); //UL_C
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bool usePwd = (arg2 == 2); //UL_EV1/NTAG
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uint32_t countblocks = 0;
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uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);
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if (dataout == NULL){
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Dbprintf("out of memory");
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OnError(1);
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return;
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}
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int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true);
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if (!len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);
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OnError(1);
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return;
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}
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// UL-C authentication
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if ( useKey ) {
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uint8_t key[16] = {0x00};
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memcpy(key, datain, sizeof(key) );
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if ( !mifare_ultra_auth(key) ) {
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OnError(1);
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return;
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}
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}
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// UL-EV1 / NTAG authentication
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if (usePwd) {
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uint8_t pwd[4] = {0x00};
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memcpy(pwd, datain, sizeof(pwd));
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uint8_t pack[4] = {0,0,0,0};
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if (!mifare_ul_ev1_auth(pwd, pack)){
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OnError(1);
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return;
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}
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}
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for (int i = 0; i < blocks; i++){
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if ((i*4) + 4 >= CARD_MEMORY_SIZE) {
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Dbprintf("Data exceeds buffer!!");
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break;
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}
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len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);
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if (len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);
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// if no blocks read - error out
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if (i==0){
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OnError(2);
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return;
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} else {
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//stop at last successful read block and return what we got
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break;
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}
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} else {
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countblocks++;
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}
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}
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len = mifare_ultra_halt();
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if (len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
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OnError(3);
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return;
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}
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
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countblocks *= 4;
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cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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BigBuf_free();
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}
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//-----------------------------------------------------------------------------
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// Select, Authenticate, Write a MIFARE tag.
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// read block
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//-----------------------------------------------------------------------------
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void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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{
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// params
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uint8_t blockNo = arg0;
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uint8_t keyType = arg1;
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uint64_t ui64Key = 0;
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byte_t blockdata[16];
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ui64Key = bytes_to_num(datain, 6);
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memcpy(blockdata, datain + 10, 16);
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// variables
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byte_t isOK = 0;
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uint8_t uid[10];
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uint32_t cuid;
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struct Crypto1State mpcs = {0, 0};
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struct Crypto1State *pcs;
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pcs = &mpcs;
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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LED_A_ON();
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LED_B_OFF();
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LED_C_OFF();
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while (true) {
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if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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break;
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};
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if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");
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break;
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};
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if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
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break;
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};
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if(mifare_classic_halt(pcs, cuid)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
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break;
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};
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isOK = 1;
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break;
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}
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// ----------------------------- crypto1 destroy
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crypto1_destroy(pcs);
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if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
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LED_B_ON();
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cmd_send(CMD_ACK,isOK,0,0,0,0);
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LED_B_OFF();
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// Thats it...
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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/* // Command not needed but left for future testing
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void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)
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{
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uint8_t blockNo = arg0;
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byte_t blockdata[16] = {0x00};
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memcpy(blockdata, datain, 16);
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uint8_t uid[10] = {0x00};
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LED_A_ON(); LED_B_OFF(); LED_C_OFF();
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clear_trace();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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OnError(0);
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return;
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};
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if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
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OnError(0);
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return; };
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if(mifare_ultra_halt()) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
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OnError(0);
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return;
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};
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if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
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cmd_send(CMD_ACK,1,0,0,0,0);
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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*/
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// Arg0 : Block to write to.
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// Arg1 : 0 = use no authentication.
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// 1 = use 0x1A authentication.
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// 2 = use 0x1B authentication.
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// datain : 4 first bytes is data to be written.
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// : 4/16 next bytes is authentication key.
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void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
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{
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uint8_t blockNo = arg0;
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bool useKey = (arg1 == 1); //UL_C
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bool usePwd = (arg1 == 2); //UL_EV1/NTAG
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byte_t blockdata[4] = {0x00};
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memcpy(blockdata, datain,4);
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LEDsoff();
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LED_A_ON();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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clear_trace();
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if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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OnError(0);
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return;
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};
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// UL-C authentication
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if ( useKey ) {
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uint8_t key[16] = {0x00};
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memcpy(key, datain+4, sizeof(key) );
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if ( !mifare_ultra_auth(key) ) {
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OnError(1);
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return;
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}
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}
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// UL-EV1 / NTAG authentication
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if (usePwd) {
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uint8_t pwd[4] = {0x00};
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memcpy(pwd, datain+4, 4);
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uint8_t pack[4] = {0,0,0,0};
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if (!mifare_ul_ev1_auth(pwd, pack)) {
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OnError(1);
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return;
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}
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}
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if(mifare_ultra_writeblock(blockNo, blockdata)) {
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if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
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OnError(0);
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return;
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};
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|
|
if(mifare_ultra_halt()) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
|
|
OnError(0);
|
|
return;
|
|
};
|
|
|
|
if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");
|
|
|
|
cmd_send(CMD_ACK,1,0,0,0,0);
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
|
|
|
|
uint8_t pwd[16] = {0x00};
|
|
byte_t blockdata[4] = {0x00};
|
|
|
|
memcpy(pwd, datain, 16);
|
|
|
|
LED_A_ON(); LED_B_OFF(); LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
clear_trace();
|
|
|
|
if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
|
|
OnError(0);
|
|
return;
|
|
};
|
|
|
|
blockdata[0] = pwd[7];
|
|
blockdata[1] = pwd[6];
|
|
blockdata[2] = pwd[5];
|
|
blockdata[3] = pwd[4];
|
|
if(mifare_ultra_writeblock( 44, blockdata)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
|
|
OnError(44);
|
|
return;
|
|
};
|
|
|
|
blockdata[0] = pwd[3];
|
|
blockdata[1] = pwd[2];
|
|
blockdata[2] = pwd[1];
|
|
blockdata[3] = pwd[0];
|
|
if(mifare_ultra_writeblock( 45, blockdata)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
|
|
OnError(45);
|
|
return;
|
|
};
|
|
|
|
blockdata[0] = pwd[15];
|
|
blockdata[1] = pwd[14];
|
|
blockdata[2] = pwd[13];
|
|
blockdata[3] = pwd[12];
|
|
if(mifare_ultra_writeblock( 46, blockdata)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
|
|
OnError(46);
|
|
return;
|
|
};
|
|
|
|
blockdata[0] = pwd[11];
|
|
blockdata[1] = pwd[10];
|
|
blockdata[2] = pwd[9];
|
|
blockdata[3] = pwd[8];
|
|
if(mifare_ultra_writeblock( 47, blockdata)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");
|
|
OnError(47);
|
|
return;
|
|
};
|
|
|
|
if(mifare_ultra_halt()) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
|
|
OnError(0);
|
|
return;
|
|
};
|
|
|
|
cmd_send(CMD_ACK,1,0,0,0,0);
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
// Return 1 if the nonce is invalid else return 0
|
|
int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
|
|
return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \
|
|
(oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \
|
|
(oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// acquire encrypted nonces in order to perform the attack described in
|
|
// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened
|
|
// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on
|
|
// Computer and Communications Security, 2015
|
|
//-----------------------------------------------------------------------------
|
|
void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)
|
|
{
|
|
uint64_t ui64Key = 0;
|
|
uint8_t uid[10];
|
|
uint32_t cuid;
|
|
uint8_t cascade_levels = 0;
|
|
struct Crypto1State mpcs = {0, 0};
|
|
struct Crypto1State *pcs;
|
|
pcs = &mpcs;
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
int16_t isOK = 0;
|
|
uint8_t par_enc[1];
|
|
uint8_t nt_par_enc = 0;
|
|
uint8_t buf[USB_CMD_DATA_SIZE];
|
|
uint32_t timeout;
|
|
|
|
uint8_t blockNo = arg0 & 0xff;
|
|
uint8_t keyType = (arg0 >> 8) & 0xff;
|
|
uint8_t targetBlockNo = arg1 & 0xff;
|
|
uint8_t targetKeyType = (arg1 >> 8) & 0xff;
|
|
ui64Key = bytes_to_num(datain, 6);
|
|
bool initialize = flags & 0x0001;
|
|
bool slow = flags & 0x0002;
|
|
bool field_off = flags & 0x0004;
|
|
|
|
LED_A_ON();
|
|
LED_C_OFF();
|
|
|
|
if (initialize) {
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
clear_trace();
|
|
set_tracing(true);
|
|
}
|
|
|
|
LED_C_ON();
|
|
|
|
uint16_t num_nonces = 0;
|
|
bool have_uid = false;
|
|
for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {
|
|
|
|
// Test if the action was cancelled
|
|
if(BUTTON_PRESS()) {
|
|
isOK = 2;
|
|
field_off = true;
|
|
break;
|
|
}
|
|
|
|
if (!have_uid) { // need a full select cycle to get the uid first
|
|
iso14a_card_select_t card_info;
|
|
if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)");
|
|
continue;
|
|
}
|
|
switch (card_info.uidlen) {
|
|
case 4 : cascade_levels = 1; break;
|
|
case 7 : cascade_levels = 2; break;
|
|
case 10: cascade_levels = 3; break;
|
|
default: break;
|
|
}
|
|
have_uid = true;
|
|
} else { // no need for anticollision. We can directly select the card
|
|
if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (slow) {
|
|
timeout = GetCountSspClk() + HARDNESTED_PRE_AUTHENTICATION_LEADTIME;
|
|
while(GetCountSspClk() < timeout);
|
|
}
|
|
|
|
uint32_t nt1;
|
|
if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error");
|
|
continue;
|
|
}
|
|
|
|
// nested authentication
|
|
uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL);
|
|
if (len != 4) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len);
|
|
continue;
|
|
}
|
|
|
|
// send an incomplete dummy response in order to trigger the card's authentication failure timeout
|
|
uint8_t dummy_answer[1] = {0};
|
|
ReaderTransmit(dummy_answer, 1, NULL);
|
|
|
|
timeout = GetCountSspClk() + HARDNESTED_AUTHENTICATION_TIMEOUT;
|
|
|
|
num_nonces++;
|
|
if (num_nonces % 2) {
|
|
memcpy(buf+i, receivedAnswer, 4);
|
|
nt_par_enc = par_enc[0] & 0xf0;
|
|
} else {
|
|
nt_par_enc |= par_enc[0] >> 4;
|
|
memcpy(buf+i+4, receivedAnswer, 4);
|
|
memcpy(buf+i+8, &nt_par_enc, 1);
|
|
i += 9;
|
|
}
|
|
|
|
// wait for the card to become ready again
|
|
while(GetCountSspClk() < timeout);
|
|
|
|
}
|
|
|
|
LED_C_OFF();
|
|
|
|
crypto1_destroy(pcs);
|
|
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));
|
|
LED_B_OFF();
|
|
|
|
if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished");
|
|
|
|
if (field_off) {
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// MIFARE nested authentication.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)
|
|
{
|
|
// params
|
|
uint8_t blockNo = arg0 & 0xff;
|
|
uint8_t keyType = (arg0 >> 8) & 0xff;
|
|
uint8_t targetBlockNo = arg1 & 0xff;
|
|
uint8_t targetKeyType = (arg1 >> 8) & 0xff;
|
|
uint64_t ui64Key = 0;
|
|
|
|
ui64Key = bytes_to_num(datain, 6);
|
|
|
|
// variables
|
|
uint16_t rtr, i, j, len;
|
|
uint16_t davg;
|
|
static uint16_t dmin, dmax;
|
|
uint8_t uid[10];
|
|
uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;
|
|
uint8_t par[1];
|
|
uint32_t target_nt[2], target_ks[2];
|
|
|
|
uint8_t par_array[4];
|
|
uint16_t ncount = 0;
|
|
struct Crypto1State mpcs = {0, 0};
|
|
struct Crypto1State *pcs;
|
|
pcs = &mpcs;
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
|
|
uint32_t auth1_time, auth2_time;
|
|
static uint16_t delta_time;
|
|
|
|
LED_A_ON();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
// free eventually allocated BigBuf memory
|
|
BigBuf_free();
|
|
|
|
if (calibrate) clear_trace();
|
|
set_tracing(true);
|
|
|
|
// statistics on nonce distance
|
|
int16_t isOK = 0;
|
|
#define NESTED_MAX_TRIES 12
|
|
uint16_t unsuccessfull_tries = 0;
|
|
if (calibrate) { // for first call only. Otherwise reuse previous calibration
|
|
LED_B_ON();
|
|
WDT_HIT();
|
|
|
|
davg = dmax = 0;
|
|
dmin = 2000;
|
|
delta_time = 0;
|
|
|
|
for (rtr = 0; rtr < 17; rtr++) {
|
|
|
|
// Test if the action was cancelled
|
|
if(BUTTON_PRESS()) {
|
|
isOK = -2;
|
|
break;
|
|
}
|
|
|
|
// prepare next select. No need to power down the card.
|
|
if(mifare_classic_halt(pcs, cuid)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
|
|
rtr--;
|
|
continue;
|
|
}
|
|
|
|
if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
|
|
rtr--;
|
|
continue;
|
|
};
|
|
|
|
auth1_time = 0;
|
|
if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
|
|
rtr--;
|
|
continue;
|
|
};
|
|
|
|
if (delta_time) {
|
|
auth2_time = auth1_time + delta_time;
|
|
} else {
|
|
auth2_time = 0;
|
|
}
|
|
if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");
|
|
rtr--;
|
|
continue;
|
|
};
|
|
|
|
nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
|
|
for (i = 101; i < 1200; i++) {
|
|
nttmp = prng_successor(nttmp, 1);
|
|
if (nttmp == nt2) break;
|
|
}
|
|
|
|
if (i != 1200) {
|
|
if (rtr != 0) {
|
|
davg += i;
|
|
dmin = MIN(dmin, i);
|
|
dmax = MAX(dmax, i);
|
|
}
|
|
else {
|
|
delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing
|
|
}
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);
|
|
} else {
|
|
unsuccessfull_tries++;
|
|
if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable)
|
|
isOK = -3;
|
|
}
|
|
}
|
|
}
|
|
|
|
davg = (davg + (rtr - 1)/2) / (rtr - 1);
|
|
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time);
|
|
|
|
dmin = davg - 2;
|
|
dmax = davg + 2;
|
|
|
|
LED_B_OFF();
|
|
|
|
}
|
|
// -------------------------------------------------------------------------------------------------
|
|
|
|
LED_C_ON();
|
|
|
|
// get crypted nonces for target sector
|
|
for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces
|
|
|
|
target_nt[i] = 0;
|
|
while(target_nt[i] == 0) { // continue until we have an unambiguous nonce
|
|
|
|
// prepare next select. No need to power down the card.
|
|
if(mifare_classic_halt(pcs, cuid)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");
|
|
continue;
|
|
}
|
|
|
|
if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");
|
|
continue;
|
|
};
|
|
|
|
auth1_time = 0;
|
|
if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");
|
|
continue;
|
|
};
|
|
|
|
// nested authentication
|
|
auth2_time = auth1_time + delta_time;
|
|
len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);
|
|
if (len != 4) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);
|
|
continue;
|
|
};
|
|
|
|
nt2 = bytes_to_num(receivedAnswer, 4);
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);
|
|
|
|
// Parity validity check
|
|
for (j = 0; j < 4; j++) {
|
|
par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));
|
|
}
|
|
|
|
ncount = 0;
|
|
nttest = prng_successor(nt1, dmin - 1);
|
|
for (j = dmin; j < dmax + 1; j++) {
|
|
nttest = prng_successor(nttest, 1);
|
|
ks1 = nt2 ^ nttest;
|
|
|
|
if (valid_nonce(nttest, nt2, ks1, par_array)){
|
|
if (ncount > 0) { // we are only interested in disambiguous nonces, try again
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);
|
|
target_nt[i] = 0;
|
|
break;
|
|
}
|
|
target_nt[i] = nttest;
|
|
target_ks[i] = ks1;
|
|
ncount++;
|
|
if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces
|
|
target_nt[i] = 0;
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);
|
|
break;
|
|
}
|
|
if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);
|
|
}
|
|
}
|
|
if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);
|
|
}
|
|
}
|
|
|
|
LED_C_OFF();
|
|
|
|
// ----------------------------- crypto1 destroy
|
|
crypto1_destroy(pcs);
|
|
|
|
byte_t buf[4 + 4 * 4];
|
|
memcpy(buf, &cuid, 4);
|
|
memcpy(buf+4, &target_nt[0], 4);
|
|
memcpy(buf+8, &target_ks[0], 4);
|
|
memcpy(buf+12, &target_nt[1], 4);
|
|
memcpy(buf+16, &target_ks[1], 4);
|
|
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));
|
|
LED_B_OFF();
|
|
|
|
if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");
|
|
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// MIFARE check keys. key count up to 85.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
|
|
{
|
|
uint8_t blockNo = arg0 & 0xff;
|
|
uint8_t keyType = (arg0 >> 8) & 0xff;
|
|
bool clearTrace = arg1 & 0x01;
|
|
bool multisectorCheck = arg1 & 0x02;
|
|
uint8_t set14aTimeout = (arg1 >> 8) & 0xff;
|
|
uint8_t keyCount = arg2;
|
|
|
|
// clear debug level
|
|
int OLD_MF_DBGLEVEL = MF_DBGLEVEL;
|
|
MF_DBGLEVEL = MF_DBG_NONE;
|
|
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
if (clearTrace) clear_trace();
|
|
set_tracing(true);
|
|
|
|
if (set14aTimeout){
|
|
iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106 35-minimum, 50-OK 106-recommended 500-safe
|
|
}
|
|
|
|
if (multisectorCheck) {
|
|
TKeyIndex keyIndex = {{0}};
|
|
uint8_t sectorCnt = blockNo;
|
|
int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex);
|
|
|
|
LED_B_ON();
|
|
if (res >= 0) {
|
|
cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80);
|
|
} else {
|
|
cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
|
|
}
|
|
LED_B_OFF();
|
|
} else {
|
|
int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL);
|
|
|
|
LED_B_ON();
|
|
if (res > 0) {
|
|
cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6);
|
|
} else {
|
|
cmd_send(CMD_ACK, 0, 0, 0, NULL, 0);
|
|
}
|
|
LED_B_OFF();
|
|
}
|
|
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
|
|
// restore debug level
|
|
MF_DBGLEVEL = OLD_MF_DBGLEVEL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// MIFARE commands set debug level
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
MF_DBGLEVEL = arg0;
|
|
Dbprintf("Debug level: %d", MF_DBGLEVEL);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Work with emulator memory
|
|
//
|
|
// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not
|
|
// involved in dealing with emulator memory. But if it is called later, it might
|
|
// destroy the Emulator Memory.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
|
|
emlClearMem();
|
|
}
|
|
|
|
void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
|
|
emlSetMem(datain, arg0, arg1); // data, block num, blocks count
|
|
}
|
|
|
|
void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
|
|
byte_t buf[USB_CMD_DATA_SIZE];
|
|
emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)
|
|
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);
|
|
LED_B_OFF();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Load a card into the emulator memory
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
uint8_t numSectors = arg0;
|
|
uint8_t keyType = arg1;
|
|
uint64_t ui64Key = 0;
|
|
uint32_t cuid;
|
|
struct Crypto1State mpcs = {0, 0};
|
|
struct Crypto1State *pcs;
|
|
pcs = &mpcs;
|
|
|
|
// variables
|
|
byte_t dataoutbuf[16];
|
|
byte_t dataoutbuf2[16];
|
|
uint8_t uid[10];
|
|
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
clear_trace();
|
|
set_tracing(false);
|
|
|
|
bool isOK = true;
|
|
|
|
if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
|
|
isOK = false;
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
|
|
}
|
|
|
|
for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
|
|
ui64Key = emlGetKey(sectorNo, keyType);
|
|
if (sectorNo == 0){
|
|
if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
|
|
isOK = false;
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo);
|
|
break;
|
|
}
|
|
} else {
|
|
if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) {
|
|
isOK = false;
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
|
|
if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) {
|
|
isOK = false;
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo);
|
|
break;
|
|
};
|
|
if (isOK) {
|
|
if (blockNo < NumBlocksPerSector(sectorNo) - 1) {
|
|
emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1);
|
|
} else { // sector trailer, keep the keys, set only the AC
|
|
emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
|
|
memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);
|
|
emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if(mifare_classic_halt(pcs, cuid)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
|
|
};
|
|
|
|
// ----------------------------- crypto1 destroy
|
|
crypto1_destroy(pcs);
|
|
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
|
|
if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");
|
|
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static bool isBlockTrailer(int blockN) {
|
|
if (blockN >= 0 && blockN < 128) {
|
|
return ((blockN & 0x03) == 0x03);
|
|
}
|
|
if (blockN >= 128 && blockN <= 256) {
|
|
return ((blockN & 0x0F) == 0x0F);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
// var
|
|
byte_t isOK = 0;
|
|
uint32_t numBlocks = arg0;
|
|
// cmdParams:
|
|
// bit 0 - wipe gen1a
|
|
// bit 1 - fill card with default data
|
|
// bit 2 - gen1a = 0, gen1b = 1
|
|
uint8_t cmdParams = arg1;
|
|
bool needWipe = cmdParams & 0x01;
|
|
bool needFill = cmdParams & 0x02;
|
|
bool gen1b = cmdParams & 0x04;
|
|
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
|
|
|
|
uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};
|
|
uint8_t block1[16] = {0x00};
|
|
uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
|
|
uint8_t d_block[18] = {0x00};
|
|
|
|
// card commands
|
|
uint8_t wupC1[] = { 0x40 };
|
|
uint8_t wupC2[] = { 0x43 };
|
|
uint8_t wipeC[] = { 0x41 };
|
|
|
|
// iso14443 setup
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
// tracing
|
|
clear_trace();
|
|
set_tracing(true);
|
|
|
|
while (true){
|
|
// wipe
|
|
if (needWipe){
|
|
ReaderTransmitBitsPar(wupC1,7,0, NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
|
|
break;
|
|
};
|
|
|
|
ReaderTransmit(wipeC, sizeof(wipeC), NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");
|
|
break;
|
|
};
|
|
|
|
if(mifare_classic_halt(NULL, 0)) {
|
|
if (MF_DBGLEVEL > 2) Dbprintf("Halt error");
|
|
};
|
|
};
|
|
|
|
// put default data
|
|
if (needFill){
|
|
// select commands
|
|
ReaderTransmitBitsPar(wupC1, 7, 0, NULL);
|
|
|
|
// gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)
|
|
if (!gen1b) {
|
|
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
|
|
break;
|
|
};
|
|
|
|
ReaderTransmit(wupC2, sizeof(wupC2), NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
|
|
break;
|
|
};
|
|
}
|
|
|
|
// send blocks command
|
|
for (int blockNo = 0; blockNo < numBlocks; blockNo++) {
|
|
if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");
|
|
break;
|
|
};
|
|
|
|
// check type of block and add crc
|
|
if (!isBlockTrailer(blockNo)){
|
|
memcpy(d_block, block1, 16);
|
|
} else {
|
|
memcpy(d_block, blockK, 16);
|
|
}
|
|
if (blockNo == 0) {
|
|
memcpy(d_block, block0, 16);
|
|
}
|
|
AppendCrc14443a(d_block, 16);
|
|
|
|
// send write command
|
|
ReaderTransmit(d_block, sizeof(d_block), NULL);
|
|
if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");
|
|
break;
|
|
};
|
|
}
|
|
|
|
// halt
|
|
// do no issue halt command for gen1b
|
|
if (!gen1b) {
|
|
if (mifare_classic_halt(NULL, 0)) {
|
|
if (MF_DBGLEVEL > 2) Dbprintf("Halt error");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// send USB response
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK,isOK,0,0,NULL,0);
|
|
LED_B_OFF();
|
|
|
|
// reset fpga
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
|
|
return;
|
|
}
|
|
|
|
void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
|
|
// params
|
|
uint8_t needWipe = arg0;
|
|
// bit 0 - need get UID
|
|
// bit 1 - need wupC
|
|
// bit 2 - need HALT after sequence
|
|
// bit 3 - need init FPGA and field before sequence
|
|
// bit 4 - need reset FPGA and LED
|
|
// bit 6 - gen1b backdoor type
|
|
uint8_t workFlags = arg1;
|
|
uint8_t blockNo = arg2;
|
|
|
|
// card commands
|
|
uint8_t wupC1[] = { 0x40 };
|
|
uint8_t wupC2[] = { 0x43 };
|
|
uint8_t wipeC[] = { 0x41 };
|
|
|
|
// variables
|
|
byte_t isOK = 0;
|
|
uint8_t uid[10] = {0x00};
|
|
uint8_t d_block[18] = {0x00};
|
|
uint32_t cuid;
|
|
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
|
|
|
|
// reset FPGA and LED
|
|
if (workFlags & 0x08) {
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
clear_trace();
|
|
set_tracing(true);
|
|
}
|
|
|
|
while (true) {
|
|
|
|
// get UID from chip
|
|
if (workFlags & 0x01) {
|
|
if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
|
|
// Continue, if we set wrong UID or wrong UID checksum or some ATQA or SAK we will can't select card. But we need to write block 0 to make card work.
|
|
//break;
|
|
};
|
|
|
|
if(mifare_classic_halt(NULL, cuid)) {
|
|
if (MF_DBGLEVEL > 2) Dbprintf("Halt error");
|
|
// Continue, some magic tags misbehavies and send an answer to it.
|
|
// break;
|
|
};
|
|
};
|
|
|
|
// reset chip
|
|
// Wipe command don't work with gen1b
|
|
if (needWipe && !(workFlags & 0x40)){
|
|
ReaderTransmitBitsPar(wupC1,7,0, NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
|
|
break;
|
|
};
|
|
|
|
ReaderTransmit(wipeC, sizeof(wipeC), NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");
|
|
break;
|
|
};
|
|
|
|
if(mifare_classic_halt(NULL, 0)) {
|
|
if (MF_DBGLEVEL > 2) Dbprintf("Halt error");
|
|
// Continue, some magic tags misbehavies and send an answer to it.
|
|
// break;
|
|
};
|
|
};
|
|
|
|
// write block
|
|
if (workFlags & 0x02) {
|
|
ReaderTransmitBitsPar(wupC1,7,0, NULL);
|
|
|
|
// gen1b magic tag : do no issue wupC2 and don't expect 0x0a response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command)
|
|
if (!(workFlags & 0x40)) {
|
|
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
|
|
break;
|
|
};
|
|
|
|
ReaderTransmit(wupC2, sizeof(wupC2), NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
|
|
break;
|
|
};
|
|
}
|
|
}
|
|
|
|
if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");
|
|
break;
|
|
};
|
|
|
|
memcpy(d_block, datain, 16);
|
|
AppendCrc14443a(d_block, 16);
|
|
|
|
ReaderTransmit(d_block, sizeof(d_block), NULL);
|
|
if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");
|
|
break;
|
|
};
|
|
|
|
if (workFlags & 0x04) {
|
|
// do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)
|
|
if (!(workFlags & 0x40)) {
|
|
if (mifare_classic_halt(NULL, 0)) {
|
|
if (MF_DBGLEVEL > 2) Dbprintf("Halt error");
|
|
// Continue, some magic tags misbehavies and send an answer to it.
|
|
// break;
|
|
}
|
|
}
|
|
}
|
|
|
|
isOK = 1;
|
|
break;
|
|
}
|
|
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK,isOK,0,0,uid,4);
|
|
LED_B_OFF();
|
|
|
|
if ((workFlags & 0x10) || (!isOK)) {
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
}
|
|
|
|
|
|
void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){
|
|
|
|
// params
|
|
// bit 1 - need wupC
|
|
// bit 2 - need HALT after sequence
|
|
// bit 3 - need init FPGA and field before sequence
|
|
// bit 4 - need reset FPGA and LED
|
|
// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)
|
|
// bit 6 - gen1b backdoor type
|
|
uint8_t workFlags = arg0;
|
|
uint8_t blockNo = arg2;
|
|
|
|
// card commands
|
|
uint8_t wupC1[] = { 0x40 };
|
|
uint8_t wupC2[] = { 0x43 };
|
|
|
|
// variables
|
|
byte_t isOK = 0;
|
|
uint8_t data[18] = {0x00};
|
|
uint32_t cuid = 0;
|
|
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
|
|
|
|
if (workFlags & 0x08) {
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
clear_trace();
|
|
set_tracing(true);
|
|
}
|
|
|
|
while (true) {
|
|
if (workFlags & 0x02) {
|
|
ReaderTransmitBitsPar(wupC1,7,0, NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");
|
|
break;
|
|
};
|
|
// do no issue for gen1b magic tag
|
|
if (!(workFlags & 0x40)) {
|
|
ReaderTransmit(wupC2, sizeof(wupC2), NULL);
|
|
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");
|
|
break;
|
|
};
|
|
}
|
|
}
|
|
|
|
// read block
|
|
if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {
|
|
if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");
|
|
break;
|
|
};
|
|
memcpy(data, receivedAnswer, 18);
|
|
|
|
if (workFlags & 0x04) {
|
|
// do no issue halt command for gen1b magic tag (#db# halt error. response len: 1)
|
|
if (!(workFlags & 0x40)) {
|
|
if (mifare_classic_halt(NULL, cuid)) {
|
|
if (MF_DBGLEVEL > 1) Dbprintf("Halt error");
|
|
// Continue, some magic tags misbehavies and send an answer to it.
|
|
// break;
|
|
}
|
|
}
|
|
}
|
|
|
|
isOK = 1;
|
|
break;
|
|
}
|
|
|
|
LED_B_ON();
|
|
if (workFlags & 0x20) {
|
|
if (isOK)
|
|
memcpy(datain, data, 18);
|
|
}
|
|
else
|
|
cmd_send(CMD_ACK,isOK,0,0,data,18);
|
|
LED_B_OFF();
|
|
|
|
if ((workFlags & 0x10) || (!isOK)) {
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
}
|
|
|
|
void MifareCIdent(){
|
|
|
|
// card commands
|
|
uint8_t wupC1[] = { 0x40 };
|
|
uint8_t wupC2[] = { 0x43 };
|
|
|
|
// variables
|
|
byte_t isOK = 0;
|
|
|
|
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];
|
|
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];
|
|
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
clear_trace();
|
|
set_tracing(true);
|
|
|
|
ReaderTransmitBitsPar(wupC1,7,0, NULL);
|
|
if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {
|
|
isOK = 2;
|
|
|
|
ReaderTransmit(wupC2, sizeof(wupC2), NULL);
|
|
if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == 0x0a)) {
|
|
isOK = 1;
|
|
};
|
|
};
|
|
|
|
// From iceman1001: removed the if, since some magic tags misbehavies and send an answer to it.
|
|
mifare_classic_halt(NULL, 0);
|
|
|
|
LED_B_ON();
|
|
cmd_send(CMD_ACK,isOK,0,0,0,0);
|
|
LED_B_OFF();
|
|
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
//
|
|
// DESFIRE
|
|
//
|
|
|
|
void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
|
|
|
|
byte_t dataout[11] = {0x00};
|
|
uint8_t uid[10] = {0x00};
|
|
uint32_t cuid;
|
|
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
clear_trace();
|
|
|
|
int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
|
|
if(!len) {
|
|
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
|
|
OnError(1);
|
|
return;
|
|
};
|
|
|
|
if(mifare_desfire_des_auth1(cuid, dataout)){
|
|
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");
|
|
OnError(4);
|
|
return;
|
|
}
|
|
|
|
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
|
|
cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));
|
|
}
|
|
|
|
void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
|
|
|
|
uint32_t cuid = arg0;
|
|
uint8_t key[16] = {0x00};
|
|
byte_t isOK = 0;
|
|
byte_t dataout[12] = {0x00};
|
|
|
|
memcpy(key, datain, 16);
|
|
|
|
isOK = mifare_desfire_des_auth2(cuid, key, dataout);
|
|
|
|
if( isOK) {
|
|
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");
|
|
OnError(4);
|
|
return;
|
|
}
|
|
|
|
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");
|
|
|
|
cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
void OnSuccess(){
|
|
pcb_blocknum = 0;
|
|
ReaderTransmit(deselect_cmd, 3 , NULL);
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
LEDsoff();
|
|
}
|
|
|
|
void OnError(uint8_t reason){
|
|
pcb_blocknum = 0;
|
|
ReaderTransmit(deselect_cmd, 3 , NULL);
|
|
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
|
|
cmd_send(CMD_ACK,0,reason,0,0,0);
|
|
LEDsoff();
|
|
}
|