X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f71f4deb8f8f1e932c81f3e62e6ab67012e07b33..8c0ccdef357a5a940788cb81730f4847fe47606a:/armsrc/mifareutil.c diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c index f79c2ede..48fcd57a 100644 --- a/armsrc/mifareutil.c +++ b/armsrc/mifareutil.c @@ -9,6 +9,7 @@ // Work with mifare cards. //----------------------------------------------------------------------------- +#include "mifareutil.h" #include "proxmark3.h" #include "apps.h" #include "util.h" @@ -16,8 +17,8 @@ #include "iso14443crc.h" #include "iso14443a.h" -#include "crapto1.h" -#include "mifareutil.h" +#include "crapto1/crapto1.h" +#include "des.h" int MF_DBGLEVEL = MF_DBG_ALL; @@ -64,55 +65,27 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) { return bt; } -// send commands -int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) +// send X byte basic commands +int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) { - return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing); -} - -int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) -{ - uint8_t dcmd[8]; - dcmd[0] = cmd; - dcmd[1] = data[0]; - dcmd[2] = data[1]; - dcmd[3] = data[2]; - dcmd[4] = data[3]; - dcmd[5] = data[4]; - AppendCrc14443a(dcmd, 6); - ReaderTransmit(dcmd, sizeof(dcmd), NULL); - int len = ReaderReceive(answer, answer_parity); - if(!len) { - if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout."); - return 2; - } + uint8_t dcmd[data_size+3]; + dcmd[0] = cmd; + memcpy(dcmd+1,data,data_size); + AppendCrc14443a(dcmd, data_size+1); + ReaderTransmit(dcmd, sizeof(dcmd), timing); + int len = ReaderReceive(answer, answer_parity); + if(!len) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd); + len = ReaderReceive(answer,answer_parity); + //return 0; + } return len; } -int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) +// send 2 byte commands +int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) { - uint8_t dcmd[19]; - int len; - dcmd[0] = cmd; - memcpy(dcmd+1,data,16); - AppendCrc14443a(dcmd, 17); - - ReaderTransmit(dcmd, sizeof(dcmd), timing); - len = ReaderReceive(answer, answer_parity); - if(!len) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout."); - len = ReaderReceive(answer,answer_parity); - } - if(len==1) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed."); - return 1; - } - return len; -} - -int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) -{ - uint8_t dcmd[4], ecmd[4]; + uint8_t dcmd[4], ecmd[4]; uint16_t pos, res; uint8_t par[1]; // 1 Byte parity is enough here dcmd[0] = cmd; @@ -284,97 +257,152 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo } memcpy(blockData, receivedAnswer, 16); - return 0; -} - + return 0; +} + // mifare ultralight commands -int mifare_ultra_auth1(uint32_t uid, uint8_t *blockData){ +int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){ uint16_t len; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - - len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL); - if (len == 1) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Error: %02x", receivedAnswer[0]); - return 1; + uint8_t resp[4]; + uint8_t respPar[1]; + uint8_t key[4] = {0x00}; + memcpy(key, keybytes, 4); + + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) + Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]); + len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL); + //len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL); + if (len != 4) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len); + return 0; } - if (len != 11) - return 1; - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) { - Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", - receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4], - receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9], - receivedAnswer[10]); - } - memcpy(blockData, receivedAnswer, 11); - return 0; + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) + Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]); + + memcpy(pack, resp, 4); + return 1; } -int mifare_ultra_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){ +int mifare_ultra_auth(uint8_t *keybytes){ + + /// 3des2k + + uint8_t random_a[8] = {1,1,1,1,1,1,1,1}; + uint8_t random_b[8] = {0x00}; + uint8_t enc_random_b[8] = {0x00}; + uint8_t rnd_ab[16] = {0x00}; + uint8_t IV[8] = {0x00}; + uint8_t key[16] = {0x00}; + memcpy(key, keybytes, 16); uint16_t len; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + uint8_t resp[19] = {0x00}; + uint8_t respPar[3] = {0,0,0}; + + // REQUEST AUTHENTICATION + len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL); + if (len != 11) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]); + return 0; + } + + // tag nonce. + memcpy(enc_random_b,resp+1,8); + + // decrypt nonce. + tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV ); + rol(random_b,8); + memcpy(rnd_ab ,random_a,8); + memcpy(rnd_ab+8,random_b,8); + + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) { + Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", + enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]); + + Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x", + random_b[0],random_b[1],random_b[2],random_b[3],random_b[4],random_b[5],random_b[6],random_b[7]); + + Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x", + rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]); + + Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x", + rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] ); + } + + // encrypt out, in, length, key, iv + tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b); + //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL); + len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL); + if (len != 11) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]); + return 0; + } + + uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 }; + uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 }; + memcpy(enc_resp, resp+1, 8); + + // decrypt out, in, length, key, iv + tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b); + if ( memcmp(resp_random_a, random_a, 8) != 0 ) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication"); + return 0; + } + + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) { + Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", + rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3], + rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]); + + Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", + rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11], + rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]); + + Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x", + random_a[0],random_a[1],random_a[2],random_a[3], + random_a[4],random_a[5],random_a[6],random_a[7]); + + Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x", + resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3], + resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]); + } + return 1; +} + +int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData) +{ + uint16_t len; + uint8_t bt[2]; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; - len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL); + + len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL); if (len == 1) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); return 1; } - if (len != 11) - return 1; - - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) { - Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", - receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4], - receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9], - receivedAnswer[10]); + if (len != 18) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len); + return 2; } - memcpy(blockData, receivedAnswer, 11); + + memcpy(bt, receivedAnswer + 16, 2); + AppendCrc14443a(receivedAnswer, 16); + if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error."); + return 3; + } + + memcpy(blockData, receivedAnswer, 14); return 0; } -int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) -{ - uint16_t len; - uint8_t bt[2]; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - - - // command MIFARE_CLASSIC_READBLOCK - len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL); - if (len == 1) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Error: %02x", receivedAnswer[0]); - return 1; - } - if (len != 18) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Error: card timeout. len: %x", len); - return 2; - } - - memcpy(bt, receivedAnswer + 16, 2); - AppendCrc14443a(receivedAnswer, 16); - if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd CRC response error."); - return 3; - } - - memcpy(blockData, receivedAnswer, 14); - return 0; -} - - -int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) -{ - // variables +int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) +{ + // variables uint16_t len, i; uint32_t pos; uint8_t par[3] = {0}; // enough for 18 Bytes to send @@ -416,65 +444,66 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl return 2; } - return 0; -} - -int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) -{ - uint16_t len; - uint8_t par[3] = {0}; // enough for 18 parity bits - uint8_t d_block[18] = {0x00}; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - - // command MIFARE_CLASSIC_WRITEBLOCK - len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL); - - if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK + return 0; +} + +/* // command not needed, but left for future testing +int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) +{ + uint16_t len; + uint8_t par[3] = {0}; // enough for 18 parity bits + uint8_t d_block[18] = {0x00}; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; + + len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL); + + if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); - return 1; - } - - memcpy(d_block, blockData, 16); - AppendCrc14443a(d_block, 16); - - ReaderTransmitPar(d_block, sizeof(d_block), par, NULL); - - len = ReaderReceive(receivedAnswer, receivedAnswerPar); - - if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK + Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); + return 1; + } + + memcpy(d_block, blockData, 16); + AppendCrc14443a(d_block, 16); + + ReaderTransmitPar(d_block, sizeof(d_block), par, NULL); + + len = ReaderReceive(receivedAnswer, receivedAnswerPar); + + if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len); - return 2; - } - return 0; -} - -int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) -{ - uint16_t len; - uint8_t d_block[8] = {0x00}; + Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len); + return 2; + } + return 0; +} +*/ + +int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) +{ + uint16_t len; + uint8_t d_block[5] = {0x00}; uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - - // command MIFARE_CLASSIC_WRITEBLOCK - d_block[0]= blockNo; - memcpy(d_block+1,blockData,4); - AppendCrc14443a(d_block, 6); - - len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL); - - if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK + + // command MIFARE_CLASSIC_WRITEBLOCK + d_block[0]= blockNo; + memcpy(d_block+1,blockData,4); + //AppendCrc14443a(d_block, 6); + + len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL); + + if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len); - return 1; - } - return 0; -} - -int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) -{ + Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len); + return 1; + } + return 0; +} + +int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) +{ uint16_t len; uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; @@ -486,24 +515,24 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) return 1; } - return 0; -} - -int mifare_ultra_halt(uint32_t uid) -{ - uint16_t len; + return 0; +} + +int mifare_ultra_halt() +{ + uint16_t len; uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - - len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL); - if (len != 0) { + + len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL); + if (len != 0) { if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("halt error. response len: %x", len); - return 1; - } - return 0; -} - + Dbprintf("halt error. response len: %x", len); + return 1; + } + 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) @@ -525,9 +554,9 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo) } -// work with emulator memory -void emlSetMem(uint8_t *data, int blockNum, int blocksCount) { - uint8_t* emCARD = BigBuf_get_EM_addr(); +// work with emulator memory +void emlSetMem(uint8_t *data, int blockNum, int blocksCount) { + uint8_t* emCARD = BigBuf_get_EM_addr(); memcpy(emCARD + blockNum * 16, data, blocksCount * 16); } @@ -654,8 +683,8 @@ int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){ int len; // load key, keynumber uint8_t data[2]={0x0a, 0x00}; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL); if (len == 1) { @@ -706,4 +735,4 @@ int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){ return 0; } return 1; -} +}