X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/108262a145256facb03fef99c4caa9680fa3620c..4d2e4eea58a6a2411855f14590dc3582150baaea:/armsrc/mifareutil.c?ds=inline diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c index c3ba1b81..4a360170 100644 --- a/armsrc/mifareutil.c +++ b/armsrc/mifareutil.c @@ -18,6 +18,7 @@ #include "iso14443a.h" #include "crapto1.h" #include "mifareutil.h" +#include "des.h" int MF_DBGLEVEL = MF_DBG_ALL; @@ -110,6 +111,27 @@ int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uin return len; } +int mifare_sendcmd_short_mfuev1auth(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[7]; + int len; + dcmd[0] = cmd; + memcpy(dcmd+1,data,4); + AppendCrc14443a(dcmd, 5); + + 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]; @@ -288,82 +310,137 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo } // 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]); + uint8_t resp[4]; + uint8_t respPar[1]; + uint8_t key[4] = {0x00}; + memcpy(key, keybytes, 4); + + Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]); + 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); + OnError(1); return 1; } - 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); + + 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 0; } -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]); + OnError(1); + return 1; + } + + // 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); - len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL); - if (len == 1) { - if (MF_DBGLEVEL >= MF_DBG_ERROR) - Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + 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); + if (len != 11) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]); + OnError(1); return 1; } - if (len != 11) - return 1; + + 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 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]); + 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]); } - memcpy(blockData, receivedAnswer, 11); return 0; } -int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +int mifare_ultra_readblock(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]; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_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]); + 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); + 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."); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error."); return 3; } @@ -371,14 +448,13 @@ int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) return 0; } - 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 - byte_t res; + uint32_t pos = 0; + uint8_t par[3] = {0x00}; // enough for 18 Bytes to send + byte_t res = 0; uint8_t d_block[18], d_block_enc[18]; uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; @@ -419,13 +495,13 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl return 0; } -int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +int mifare_ultra_writeblock(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]; + uint8_t receivedAnswer[MAX_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_PARITY_SIZE]; // command MIFARE_CLASSIC_WRITEBLOCK len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL); @@ -451,7 +527,7 @@ int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) return 0; } -int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData) { uint16_t len; uint8_t d_block[8] = {0x00}; @@ -489,7 +565,7 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) return 0; } -int mifare_ultra_halt(uint32_t uid) +int mifare_ultra_halt() { uint16_t len; uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; @@ -654,8 +730,8 @@ 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) { @@ -684,8 +760,8 @@ int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){ data[0] = 0xAF; memcpy(data+1,key,16); - 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_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);