X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6bfa18eab4750123d0e24090597b0d4c7bd58daf..355c8b4a7df083c13d82963fb9d14548647e91b1:/armsrc/mifareutil.c diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c index 5122d0ec..976f6dca 100644 --- a/armsrc/mifareutil.c +++ b/armsrc/mifareutil.c @@ -54,10 +54,12 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u uint8_t bt = 0; int i; par[0] = 0; + for (i = 0; i < len; i++) { bt = data[i]; data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i]; - if((i&0x0007) == 0) par[i>>3] = 0; + if((i&0x0007) == 0) + par[i>>3] = 0; par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007))); } return; @@ -81,9 +83,7 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, 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];//, ecmd[4]; - //uint32_t par=0; - + uint8_t dcmd[8]; dcmd[0] = cmd; dcmd[1] = data[0]; dcmd[2] = data[1]; @@ -91,10 +91,6 @@ int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint dcmd[4] = data[3]; dcmd[5] = data[4]; AppendCrc14443a(dcmd, 6); - //Dbprintf("Data command: %02x", dcmd[0]); - //Dbprintf("Data R: %02x %02x %02x %02x %02x %02x %02x", dcmd[1],dcmd[2],dcmd[3],dcmd[4],dcmd[5],dcmd[6],dcmd[7]); - - //memcpy(ecmd, dcmd, sizeof(dcmd)); ReaderTransmit(dcmd, sizeof(dcmd), NULL); int len = ReaderReceive(answer, answer_parity); if(!len) @@ -153,7 +149,7 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm return len; } -// mifare commands +// mifare classic commands int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) { return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL); @@ -165,7 +161,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN int len; uint32_t pos; uint8_t tmp4[4]; - uint8_t par[1] = {0}; + uint8_t par[1] = {0x00}; byte_t nr[4]; uint32_t nt, ntpp; // Supplied tag nonce @@ -210,7 +206,6 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN if (ntptr) *ntptr = nt; - // Generate (encrypted) nr+parity by loading it into the cipher (Nr) par[0] = 0; for (pos = 0; pos < 4; pos++) @@ -285,28 +280,30 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) { - // variables uint16_t len; uint8_t bt[2]; - uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf(); uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE; + // command MIFARE_CLASSIC_READBLOCK len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL); if (len == 1) { - if (MF_DBGLEVEL >= 1) 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 >= 1) 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 >= 1) Dbprintf("Cmd CRC response error."); + if (MF_DBGLEVEL >= MF_DBG_ERROR) + Dbprintf("Cmd CRC response error."); return 3; } @@ -318,7 +315,7 @@ int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) { // variables - int len, i; + uint16_t len, i; uint32_t pos; uint8_t par[3] = {0}; // enough for 18 Bytes to send byte_t res; @@ -364,11 +361,9 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) { - // variables uint16_t len; uint8_t par[3] = {0}; // enough for 18 parity bits - - uint8_t d_block[18]; + uint8_t d_block[18] = {0x00}; uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf(); uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE; @@ -376,64 +371,58 @@ int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL); if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK - if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); + if (MF_DBGLEVEL >= MF_DBG_ERROR) + Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); return 1; } - memset(d_block,'\0',18); memcpy(d_block, blockData, 16); AppendCrc14443a(d_block, 16); ReaderTransmitPar(d_block, sizeof(d_block), par, NULL); - // Receive the response len = ReaderReceive(receivedAnswer, receivedAnswerPar); if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK - if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len); + 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]; + uint8_t d_block[8] = {0x00}; uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf(); uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE; // command MIFARE_CLASSIC_WRITEBLOCK - memset(d_block,'\0',8); d_block[0]= blockNo; memcpy(d_block+1,blockData,4); AppendCrc14443a(d_block, 6); - //i know the data send here is correct len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL); if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK - if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len); + if (MF_DBGLEVEL >= MF_DBG_ERROR) + Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len); return 1; } - - return 0; + return 0; } int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) { - // variables uint16_t len; - - // Mifare HALT uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf(); uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE; len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL); if (len != 0) { - if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); + if (MF_DBGLEVEL >= MF_DBG_ERROR) + Dbprintf("halt error. response len: %x", len); return 1; } @@ -443,17 +432,15 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) int mifare_ultra_halt(uint32_t uid) { uint16_t len; - - // Mifare HALT uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf(); uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE; len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL); if (len != 0) { - if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); + if (MF_DBGLEVEL >= MF_DBG_ERROR) + Dbprintf("halt error. response len: %x", len); return 1; } - return 0; } @@ -481,19 +468,16 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo) // work with emulator memory void emlSetMem(uint8_t *data, int blockNum, int blocksCount) { uint8_t* emCARD = get_bigbufptr_emlcardmem(); - memcpy(emCARD + blockNum * 16, data, blocksCount * 16); } void emlGetMem(uint8_t *data, int blockNum, int blocksCount) { uint8_t* emCARD = get_bigbufptr_emlcardmem(); - memcpy(data, emCARD + blockNum * 16, blocksCount * 16); } void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) { uint8_t* emCARD = get_bigbufptr_emlcardmem(); - memcpy(data, emCARD + bytePtr, byteCount); } @@ -522,7 +506,6 @@ int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) { memcpy(blReg, data, 4); *blBlock = data[12]; - return 0; }