X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/92690507ab259c52f0bc54cd19acc88d46ec16e3..1e1de234ac2b8d337d36ba67367d8a2b447db038:/armsrc/mifarecmd.c diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c index 03e191e0..939c9002 100644 --- a/armsrc/mifarecmd.c +++ b/armsrc/mifarecmd.c @@ -16,8 +16,6 @@ #include "mifarecmd.h" #include "apps.h" #include "util.h" - -#include "des.h" #include "crc.h" // the block number for the ISO14443-4 PCB @@ -25,7 +23,6 @@ uint8_t pcb_blocknum = 0; // Deselect card by sending a s-block. the crc is precalced for speed static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4}; - //----------------------------------------------------------------------------- // Select, Authenticate, Read a MIFARE tag. // read block @@ -93,147 +90,76 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LEDsoff(); } -void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){ +void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){ - byte_t dataoutbuf[16] = {0x00}; - uint8_t uid[10] = {0x00}; - uint32_t cuid = 0x00; + bool turnOffField = (arg0 == 1); LED_A_ON(); LED_B_OFF(); LED_C_OFF(); - clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(NULL, NULL, NULL)) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); OnError(0); return; }; - if(mifare_ultra_auth1(dataoutbuf)){ - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail."); + if(!mifare_ultra_auth(keybytes)){ + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed"); OnError(1); return; } - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED"); - - cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11); - LEDsoff(); -} -void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){ - - uint8_t key[16] = {0x00}; - byte_t dataoutbuf[16] = {0x00}; - - memcpy(key, datain, 16); - - LED_A_ON(); LED_B_OFF(); LED_C_OFF(); - - if(mifare_ultra_auth2(key, dataoutbuf)){ - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail..."); - OnError(1); - return; + if (turnOffField) { + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); } - - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED"); - - cmd_send(CMD_ACK,1,0,0,dataoutbuf,11); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + cmd_send(CMD_ACK,1,0,0,0,0); } +// Arg0 = BlockNo, +// Arg1 = UsePwd bool +// datain = PWD bytes, void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) { uint8_t blockNo = arg0; byte_t dataout[16] = {0x00}; - uint8_t uid[10] = {0x00}; - uint8_t key[16] = {0x00}; - bool usePwd = (arg1 == 1); - - LED_A_ON(); LED_B_OFF(); LED_C_OFF(); + bool useKey = (arg1 == 1); //UL_C + bool usePwd = (arg1 == 2); //UL_EV1/NTAG + LEDsoff(); + LED_A_ON(); clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - int len = iso14443a_select_card(uid, NULL, NULL); + int len = iso14443a_select_card(NULL, NULL, NULL); if(!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len); OnError(1); return; } - // authenticate here. - if ( usePwd ) { - - memcpy(key, datain, 16); + // UL-C authentication + if ( useKey ) { + uint8_t key[16] = {0x00}; + memcpy(key, datain, sizeof(key) ); - // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] ); - // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] ); - - uint8_t a[8] = {1,1,1,1,1,1,1,1 }; - uint8_t b[8] = {0x00}; - uint8_t enc_b[8] = {0x00}; - uint8_t ab[16] = {0x00}; - uint8_t enc_ab[16] = {0x00}; - uint8_t enc_key[8] = {0x00}; - - uint16_t len; - uint8_t receivedAnswer[MAX_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; - - len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL); - if (len != 11) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + if ( !mifare_ultra_auth(key) ) { OnError(1); return; } + } - // tag nonce. - memcpy(enc_b,receivedAnswer+1,8); - - // decrypt nonce. - tdes_2key_dec(b, enc_b, 8, key ); - - Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", enc_b[0],enc_b[1],enc_b[2],enc_b[3],enc_b[4],enc_b[5],enc_b[6],enc_b[7] ); - Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] ); - rol(b,8); - - memcpy(ab ,a,8); - memcpy(ab+8,b,8); - - Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] ); - Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] ); - - // encrypt - tdes_2key_enc(enc_ab, ab, 16, key); - - Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[0],enc_ab[1],enc_ab[2],enc_ab[3],enc_ab[4],enc_ab[5],enc_ab[6],enc_ab[7] ); - Dbprintf("e_enc_ab: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[8],enc_ab[9],enc_ab[10],enc_ab[11],enc_ab[12],enc_ab[13],enc_ab[14],enc_ab[15] ); - - len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, enc_ab, receivedAnswer, receivedAnswerPar, NULL); - if (len != 11) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + // UL-EV1 / NTAG authentication + if ( usePwd ) { + uint8_t pwd[4] = {0x00}; + memcpy(pwd, datain, 4); + uint8_t pack[4] = {0,0,0,0}; + if (!mifare_ul_ev1_auth(pwd, pack)) { OnError(1); return; } - - // the tags' encryption of our nonce, A. - memcpy(enc_key, receivedAnswer+1, 8); - - // clear B. - memset(b, 0x00, 8); - - // decrypt - tdes_2key_dec(b, enc_key, 8, key ); - if ( memcmp(a, b, 8) == 0 ) - Dbprintf("Verified key"); - else - Dbprintf("failed authentication"); - - Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x", a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7] ); - Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] ); - } + } if( mifare_ultra_readblock(blockNo, dataout) ) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error"); @@ -246,11 +172,12 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) OnError(3); return; } - + cmd_send(CMD_ACK,1,0,0,dataout,16); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); } + //----------------------------------------------------------------------------- // Select, Authenticate, Read a MIFARE tag. // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes) @@ -319,17 +246,31 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LEDsoff(); } -void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain) +// arg0 = blockNo (start) +// arg1 = Pages (number of blocks) +// arg2 = useKey +// datain = KEY bytes +void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) { + // free eventually allocated BigBuf memory + BigBuf_free(); + clear_trace(); + // params - uint8_t sectorNo = arg0; - int Pages = arg1; - int countpages = 0; - byte_t dataout[176] = {0x00};; + uint8_t blockNo = arg0; + uint16_t blocks = arg1; + bool useKey = (arg2 == 1); //UL_C + bool usePwd = (arg2 == 2); //UL_EV1/NTAG + uint32_t countblocks = 0; + uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE); + if (dataout == NULL){ + Dbprintf("out of memory"); + OnError(1); + return; + } LEDsoff(); LED_A_ON(); - clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); int len = iso14443a_select_card(NULL, NULL, NULL); @@ -338,34 +279,68 @@ void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain) OnError(1); return; } + + // UL-C authentication + if ( useKey ) { + uint8_t key[16] = {0x00}; + memcpy(key, datain, sizeof(key) ); + + if ( !mifare_ultra_auth(key) ) { + OnError(1); + return; + } + } + + // UL-EV1 / NTAG authentication + if (usePwd) { + uint8_t pwd[4] = {0x00}; + memcpy(pwd, datain, sizeof(pwd)); + uint8_t pack[4] = {0,0,0,0}; + + if (!mifare_ul_ev1_auth(pwd, pack)){ + OnError(1); + return; + } + } + + for (int i = 0; i < blocks; i++){ + if ((i*4) + 4 >= CARD_MEMORY_SIZE) { + Dbprintf("Data exceeds buffer!!"); + break; + } - for (int i = 0; i < Pages; i++){ - - len = mifare_ultra_readblock(sectorNo * 4 + i, dataout + 4 * i); - + len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i); + if (len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i); - OnError(2); - return; + // if no blocks read - error out + if (i==0){ + OnError(2); + return; + } else { + //stop at last successful read block and return what we got + break; + } } else { - countpages++; + countblocks++; } } - + len = mifare_ultra_halt(); if (len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error"); OnError(3); return; } - - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Pages read %d", countpages); - len = Pages * 4; + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks); + + countblocks *= 4; - cmd_send(CMD_ACK, 1, 0, 0, dataout, len); + cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + BigBuf_free(); } //----------------------------------------------------------------------------- @@ -440,7 +415,8 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LEDsoff(); } -void MifareUWriteBlock(uint8_t arg0, uint8_t *datain) +/* // Command not needed but left for future testing +void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain) { uint8_t blockNo = arg0; byte_t blockdata[16] = {0x00}; @@ -460,7 +436,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain) return; }; - if(mifare_ultra_writeblock(blockNo, blockdata)) { + if(mifare_ultra_writeblock_compat(blockNo, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(0); return; }; @@ -477,27 +453,57 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain) FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); } - -void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain) +*/ + +// Arg0 : Block to write to. +// Arg1 : 0 = use no authentication. +// 1 = use 0x1A authentication. +// 2 = use 0x1B authentication. +// datain : 4 first bytes is data to be written. +// : 4/16 next bytes is authentication key. +void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) { uint8_t blockNo = arg0; + bool useKey = (arg1 == 1); //UL_C + bool usePwd = (arg1 == 2); //UL_EV1/NTAG byte_t blockdata[4] = {0x00}; - - memcpy(blockdata, datain,4); - uint8_t uid[10] = {0x00}; + memcpy(blockdata, datain,4); - LED_A_ON(); LED_B_OFF(); LED_C_OFF(); + LEDsoff(); + LED_A_ON(); clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - if(!iso14443a_select_card(uid, NULL, NULL)) { + if(!iso14443a_select_card(NULL, NULL, NULL)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; }; - if(mifare_ultra_special_writeblock(blockNo, blockdata)) { + // UL-C authentication + if ( useKey ) { + uint8_t key[16] = {0x00}; + memcpy(key, datain+4, sizeof(key) ); + + if ( !mifare_ultra_auth(key) ) { + OnError(1); + return; + } + } + + // UL-EV1 / NTAG authentication + if (usePwd) { + uint8_t pwd[4] = {0x00}; + memcpy(pwd, datain+4, 4); + uint8_t pack[4] = {0,0,0,0}; + if (!mifare_ul_ev1_auth(pwd, pack)) { + OnError(1); + return; + } + } + + if(mifare_ultra_writeblock(blockNo, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(0); return; @@ -537,7 +543,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ blockdata[1] = pwd[6]; blockdata[2] = pwd[5]; blockdata[3] = pwd[4]; - if(mifare_ultra_special_writeblock( 44, blockdata)) { + if(mifare_ultra_writeblock( 44, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(44); return; @@ -547,7 +553,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ blockdata[1] = pwd[2]; blockdata[2] = pwd[1]; blockdata[3] = pwd[0]; - if(mifare_ultra_special_writeblock( 45, blockdata)) { + if(mifare_ultra_writeblock( 45, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(45); return; @@ -557,7 +563,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ blockdata[1] = pwd[14]; blockdata[2] = pwd[13]; blockdata[3] = pwd[12]; - if(mifare_ultra_special_writeblock( 46, blockdata)) { + if(mifare_ultra_writeblock( 46, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(46); return; @@ -567,7 +573,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ blockdata[1] = pwd[10]; blockdata[2] = pwd[9]; blockdata[3] = pwd[8]; - if(mifare_ultra_special_writeblock( 47, blockdata)) { + if(mifare_ultra_writeblock( 47, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(47); return; @@ -711,7 +717,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat LED_B_OFF(); } -// ------------------------------------------------------------------------------------------------- + // ------------------------------------------------------------------------------------------------- LED_C_ON(); @@ -740,7 +746,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // nested authentication auth2_time = auth1_time + delta_time; - len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_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; @@ -1233,21 +1239,18 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){ int len = iso14443a_select_card(uid, NULL, &cuid); if(!len) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Can't select card"); - //OnError(1); + 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); + 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)); } @@ -1263,14 +1266,12 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ isOK = mifare_desfire_des_auth2(cuid, key, dataout); if( isOK) { - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) - Dbprintf("Authentication part2: Failed"); - //OnError(4); + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); + OnError(4); return; } - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) - DbpString("AUTH 2 FINISHED"); + 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);