git.zerfleddert.de Git - proxmark3-svn/blobdiff

//-----------------------------------------------------------------------------\r

-// Merlok, May 2011\r

-// Many authors, that makes it possible\r

+// Merlok, May 2011, 2012\r

+// Many authors, whom made it possible\r

//\r

// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r

// at your option, any later version. See the LICENSE.txt file for the text of\r

// the license.\r

//-----------------------------------------------------------------------------\r

//\r

// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r

// at your option, any later version. See the LICENSE.txt file for the text of\r

// the license.\r

//-----------------------------------------------------------------------------\r

-// code for work with mifare cards.\r

+// Work with mifare cards.\r

//-----------------------------------------------------------------------------\r

\r

#include "proxmark3.h"\r

//-----------------------------------------------------------------------------\r

\r

#include "proxmark3.h"\r

\r

int MF_DBGLEVEL = MF_DBG_ALL;\r

\r

int MF_DBGLEVEL = MF_DBG_ALL;\r

\r

+// memory management\r

uint8_t* mifare_get_bigbufptr(void) {\r

- return (((uint8_t *)BigBuf) + 3560); // was 3560 - tied to other size changes\r

+ return (((uint8_t *)BigBuf) + MIFARE_BUFF_OFFSET); // was 3560 - tied to other size changes\r

+}\r

+uint8_t* eml_get_bigbufptr_sendbuf(void) {\r

+ return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); \r

+}\r

+uint8_t* eml_get_bigbufptr_recbuf(void) {\r

+ return (((uint8_t *)BigBuf) + MIFARE_BUFF_OFFSET);\r

+}\r

+uint8_t* eml_get_bigbufptr_cardmem(void) {\r

+ return (((uint8_t *)BigBuf) + CARD_MEMORY);\r

}\r

\r

}\r

\r

-int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer)\r

-{\r

- return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL);\r

+// crypto1 helpers\r

+void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r

+ uint8_t bt = 0;\r

+ int i;\r

+ \r

+ if (len != 1) {\r

+ for (i = 0; i < len; i++)\r

+ data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r

+ } else {\r

+ bt = 0;\r

+ for (i = 0; i < 4; i++)\r

+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r

+ \r

+ data[0] = bt;\r

+ }\r

+ return;\r

+}\r

+\r

+void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, int len, uint32_t *par) {\r

+ uint8_t bt = 0;\r

+ int i;\r

+ uint32_t mltpl = 1 << (len - 1); // for len=18 it=0x20000\r

+ *par = 0;\r

+ for (i = 0; i < len; i++) {\r

+ bt = data[i];\r

+ data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r

+ *par = (*par >> 1) | ( ((filter(pcs->odd) ^ oddparity(bt)) & 0x01) * mltpl );\r

+ } \r

+ return;\r

+}\r

+\r

+uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r

+ uint8_t bt = 0;\r

+ int i;\r

+\r

+ for (i = 0; i < 4; i++)\r

+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r

+ \r

+ return bt;\r

}\r

\r

}\r

\r

-int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr)\r

+// send commands\r

+int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t *timing)\r

{\r

- uint8_t dcmd[4], ecmd[4];\r

+ return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL, timing);

+}

+

+int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *timing)

+{

+ uint8_t dcmd[8];//, ecmd[4];

+ //uint32_t par=0;

+

+ 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);

+ //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);

+ if(!len)

+ {

+ if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");

+ return 2;

+ }

+ return len;

+}

+

+int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr, uint32_t *timing)

+{

+ uint8_t dcmd[4], ecmd[4];

uint32_t pos, par, res;\r

\r

dcmd[0] = cmd;\r

uint32_t pos, par, res;\r

\r

dcmd[0] = cmd;\r

par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r

} \r

\r

par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r

} \r

\r

- ReaderTransmitPar(ecmd, sizeof(ecmd), par);\r

+ ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r

\r

} else {\r

\r

} else {\r

- ReaderTransmit(dcmd, sizeof(dcmd));\r

+ ReaderTransmit(dcmd, sizeof(dcmd), timing);\r

}\r

\r

int len = ReaderReceivePar(answer, &par);\r

}\r

\r

int len = ReaderReceivePar(answer, &par);\r

return len;\r

}\r

\r

return len;\r

}\r

\r

+// mifare commands\r

int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested) \r

{\r

int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested) \r

{\r

- return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL);\r

+ return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r

}\r

\r

}\r

\r

-int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr) \r

+int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr, uint32_t *timing) \r

{\r

// variables\r

int len; \r

{\r

// variables\r

int len; \r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// Transmit MIFARE_CLASSIC_AUTH\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// Transmit MIFARE_CLASSIC_AUTH\r

- len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer);\r

- if (MF_DBGLEVEL >= 4) Dbprintf("rand nonce len: %x", len); \r

+ len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, timing);\r

+ if (MF_DBGLEVEL >= 4) Dbprintf("rand nonce len: %x", len); \r

if (len != 4) return 1;\r

\r

ar[0] = 0x55;\r

if (len != 4) return 1;\r

\r

ar[0] = 0x55;\r

} \r

\r

// Transmit reader nonce and reader answer\r

} \r

\r

// Transmit reader nonce and reader answer\r

- ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par);\r

+ ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r

\r

// Receive 4 bit answer\r

len = ReaderReceive(receivedAnswer);\r

\r

// Receive 4 bit answer\r

len = ReaderReceive(receivedAnswer);\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// command MIFARE_CLASSIC_READBLOCK\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// command MIFARE_CLASSIC_READBLOCK\r

- len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer);\r

+ len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, NULL);\r

if (len == 1) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r

return 1;\r

if (len == 1) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r

return 1;\r

}\r

\r

memcpy(blockData, receivedAnswer, 16);\r

}\r

\r

memcpy(blockData, receivedAnswer, 16);\r

- return 0;\r

-}\r

-\r

-int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r

-{\r

- // variables\r

+ return 0;

+}

+

+int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)

+{

+ // variables

+ int len;

+ uint8_t bt[2];

+

+ uint8_t* receivedAnswer = mifare_get_bigbufptr();

+

+ // command MIFARE_CLASSIC_READBLOCK

+ len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer,NULL);

+ if (len == 1) {

+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);

+ return 1;

+ }

+ if (len != 18) {

+ if (MF_DBGLEVEL >= 1) 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.");

+ 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 len, i; \r

uint32_t pos;\r

uint32_t par = 0;\r

int len, i; \r

uint32_t pos;\r

uint32_t par = 0;\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// command MIFARE_CLASSIC_WRITEBLOCK\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

// command MIFARE_CLASSIC_WRITEBLOCK\r

- len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer);\r

+ len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, NULL);\r

\r

if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r

if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r

\r

if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r

if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r

par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r

} \r

\r

par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r

} \r

\r

- ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par);\r

+ ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r

\r

// Receive the response\r

len = ReaderReceive(receivedAnswer); \r

\r

// Receive the response\r

len = ReaderReceive(receivedAnswer); \r

return 2;\r

}\r

\r

return 2;\r

}\r

\r

- return 0;\r

-}\r

-\r

-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r

-{\r

- // variables\r

+ return 0;

+}

+

+int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)

+{

+ // variables

+ int len;

+ uint32_t par = 0;

+

+ uint8_t d_block[18];

+ uint8_t* receivedAnswer = mifare_get_bigbufptr();

+

+ // command MIFARE_CLASSIC_WRITEBLOCK

+ len = mifare_sendcmd_short(NULL, 1, 0xA0, blockNo, receivedAnswer,NULL);

+

+ if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK

+ if (MF_DBGLEVEL >= 1) 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);

+

+ if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK

+ if (MF_DBGLEVEL >= 1) 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)

+{

+ // variables

+ int len;

+ //uint32_t par = 0;

+

+ uint8_t d_block[8];

+ uint8_t* receivedAnswer = mifare_get_bigbufptr();

+

+ // 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,NULL);

+

+ if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK

+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);

+ return 1;

+ }

+ return 0;

+}

+

+int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)

+{

+ // variables

int len; \r

\r

// Mifare HALT\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

int len; \r

\r

// Mifare HALT\r

uint8_t* receivedAnswer = mifare_get_bigbufptr();\r

\r

- len = mifare_sendcmd_short(pcs, 1, 0x50, 0x00, receivedAnswer);\r

+ len = mifare_sendcmd_short(pcs, pcs == NULL ? 0:1, 0x50, 0x00, receivedAnswer, NULL);\r

if (len != 0) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); \r

return 1;\r

}\r

\r

if (len != 0) {\r

if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); \r

return 1;\r

}\r

\r

+ return 0;

+}

+

+int mifare_ultra_halt(uint32_t uid)

+{

+ // variables

+ int len;

+

+ // Mifare HALT

+ uint8_t* receivedAnswer = mifare_get_bigbufptr();

+

+ len = mifare_sendcmd_short(NULL, 1, 0x50, 0x00, receivedAnswer, NULL);

+ if (len != 0) {

+ if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len);

+ return 1;

+ }

+

+ return 0;

+}

+

+// work with emulator memory

+void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();

+ \r

+ memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r

+}\r

+\r

+void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ \r

+ memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r

+}\r

+\r

+void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ \r

+ memcpy(data, emCARD + bytePtr, byteCount);\r

+}\r

+\r

+int emlCheckValBl(int blockNum) {\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ uint8_t* data = emCARD + blockNum * 16;\r

+\r

+ if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r

+ (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r

+ (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r

+ (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r

+ (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r

+ (data[12] != (data[15] ^ 0xff))\r

+ ) \r

+ return 1;\r

return 0;\r

}\r

\r

return 0;\r

}\r

\r

+int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ uint8_t* data = emCARD + blockNum * 16;\r

+ \r

+ if (emlCheckValBl(blockNum)) {\r

+ return 1;\r

+ }\r

+ \r

+ memcpy(blReg, data, 4);\r

+ *blBlock = data[12];\r

+ \r

+ return 0;\r

+}\r

+\r

+int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ uint8_t* data = emCARD + blockNum * 16;\r

+ \r

+ memcpy(data + 0, &blReg, 4);\r

+ memcpy(data + 8, &blReg, 4);\r

+ blReg = blReg ^ 0xffffffff;\r

+ memcpy(data + 4, &blReg, 4);\r

+ \r

+ data[12] = blBlock;\r

+ data[13] = blBlock ^ 0xff;\r

+ data[14] = blBlock;\r

+ data[15] = blBlock ^ 0xff;\r

+ \r

+ return 0;\r

+}\r

+\r

+uint64_t emlGetKey(int sectorNum, int keyType) {\r

+ uint8_t key[6];\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ \r

+ memcpy(key, emCARD + 3 * 16 + sectorNum * 4 * 16 + keyType * 10, 6);\r

+ return bytes_to_num(key, 6);\r

+}\r

+\r

+void emlClearMem(void) {\r

+ int b;\r

+ \r

+ const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r

+ const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r

+ uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r

+ \r

+ memset(emCARD, 0, CARD_MEMORY_LEN);\r

+ \r

+ // fill sectors trailer data\r

+ for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r

+ emlSetMem((uint8_t *)trailer, b , 1);\r

+ } \r

+\r

+ // uid\r

+ emlSetMem((uint8_t *)uid, 0, 1);\r

+ return;\r

+}\r