//-----------------------------------------------------------------------------\r
// Work with mifare cards.\r
//-----------------------------------------------------------------------------\r
-\r
-#include "proxmark3.h"\r
-#include "apps.h"\r
-#include "util.h"\r
-#include "string.h"\r
-\r
-#include "iso14443crc.h"\r
-#include "iso14443a.h"\r
-#include "crapto1.h"\r
#include "mifareutil.h"\r
-#include "parity.h"\r
-#include "des.h"\r
\r
int MF_DBGLEVEL = MF_DBG_ALL;\r
\r
for (i = 0; i < len; i++) {\r
bt = data[i];\r
data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
- if ((i&0x0007) == 0) \r
- par[i>>3] = 0;\r
- par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
+ if ( ( i & 0x0007 ) == 0) \r
+ par[ i >> 3 ] = 0;\r
+ par[ i >> 3 ] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
} \r
}\r
\r
}\r
\r
// send X byte basic commands\r
-int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
-{\r
+int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) {\r
uint8_t dcmd[data_size+3];\r
dcmd[0] = cmd;\r
- memcpy(dcmd+1,data,data_size);\r
+ memcpy(dcmd+1, data, data_size);\r
AppendCrc14443a(dcmd, data_size+1);\r
ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
int len = ReaderReceive(answer, answer_parity);\r
if(!len) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
- len = ReaderReceive(answer,answer_parity);\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
+ len = ReaderReceive(answer,answer_parity);\r
}\r
return len;\r
}\r
\r
// send 2 byte commands\r
-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)\r
-{\r
- uint8_t dcmd[4] = {0x00};\r
- uint8_t ecmd[4] = {0x00};\r
+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) {\r
uint16_t pos, res;\r
+ uint8_t dcmd[4] = {cmd, data, 0x00, 0x00};\r
+ uint8_t ecmd[4] = {0x00, 0x00, 0x00, 0x00};\r
uint8_t par[1] = {0x00}; // 1 Byte parity is enough here\r
- dcmd[0] = cmd;\r
- dcmd[1] = data;\r
AppendCrc14443a(dcmd, 2);\r
- \r
memcpy(ecmd, dcmd, sizeof(dcmd));\r
\r
if (crypted) {\r
ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
} \r
-\r
ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
-\r
} else {\r
ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
}\r
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;\r
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;\r
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;\r
- answer[0] = res;\r
- \r
+ answer[0] = res; \r
} else {\r
for (pos = 0; pos < len; pos++)\r
answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
}\r
}\r
- \r
return len;\r
}\r
\r
// mifare classic commands\r
-int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
-{\r
+int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) {\r
return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
}\r
\r
-int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) \r
-{\r
- // variables\r
+int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) {\r
int len; \r
uint32_t pos;\r
- uint8_t tmp4[4] = {0x00};\r
uint8_t par[1] = {0x00};\r
\r
// "random" reader nonce:\r
- byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\r
+ //byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\r
+ fast_prand();\r
+ byte_t nr[4];\r
+ num_to_bytes(prand(), 4, nr);\r
//byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};\r
\r
uint32_t nt, ntpp; // Supplied tag nonce\r
\r
uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
\r
// Transmit MIFARE_CLASSIC_AUTH\r
len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
\r
// some statistic\r
if (!ntptr && (MF_DBGLEVEL >= 3))\r
- Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
+ Dbprintf("auth uid: %08x | nr: %08x | nt: %08x", uid, nr, nt);\r
\r
// save Nt\r
if (ntptr)\r
\r
// Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
par[0] = 0;\r
- for (pos = 0; pos < 4; pos++)\r
- {\r
+ for (pos = 0; pos < 4; pos++) {\r
mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r
} \r
\r
// Skip 32 bits in pseudo random generator\r
- nt = prng_successor(nt,32);\r
+ nt = prng_successor(nt, 32);\r
\r
// ar+parity\r
- for (pos = 4; pos < 8; pos++)\r
- {\r
+ for (pos = 4; pos < 8; pos++) {\r
nt = prng_successor(nt,8);\r
mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
par[0] |= (((filter(pcs->odd) ^ oddparity8(nt & 0xff)) & 0x01) << (7-pos));\r
\r
// Receive 4 byte tag answer\r
len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
- if (!len)\r
- {\r
+ if (!len) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
return 2;\r
}\r
- \r
- memcpy(tmp4, receivedAnswer, 4);\r
+\r
ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
- \r
- if (ntpp != bytes_to_num(tmp4, 4)) {\r
+\r
+ if (ntpp != bytes_to_num(receivedAnswer, 4)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
return 3;\r
}\r
-\r
return 0;\r
}\r
\r
-int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
-{\r
- // variables\r
+int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {\r
+\r
int len; \r
- uint8_t bt[2] = {0x00};\r
- \r
+ uint8_t bt[2] = {0x00, 0x00}; \r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
\r
- // command MIFARE_CLASSIC_READBLOCK\r
- len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
+ len = mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
if (len == 1) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
return 1;\r
// mifare ultralight commands\r
int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
\r
- uint16_t len;\r
- uint8_t resp[4] = {0x00};\r
+ uint16_t len = 0;\r
+ uint8_t resp[4] = {0x00, 0x00, 0x00, 0x00};\r
uint8_t respPar[1] = {0x00};\r
- uint8_t key[4] = {0x00};\r
+ uint8_t key[4] = {0x00, 0x00, 0x00, 0x00};\r
memcpy(key, keybytes, 4);\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
int mifare_ultra_auth(uint8_t *keybytes){\r
\r
/// 3des2k\r
-\r
uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r
uint8_t random_b[8] = {0x00};\r
uint8_t enc_random_b[8] = {0x00};\r
uint8_t key[16] = {0x00};\r
memcpy(key, keybytes, 16);\r
\r
- uint16_t len;\r
+ uint16_t len = 0;\r
uint8_t resp[19] = {0x00};\r
uint8_t respPar[3] = {0,0,0};\r
\r
memcpy(enc_random_b,resp+1,8);\r
\r
// decrypt nonce.\r
- tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
+ tdes_2key_dec((void*)random_b, (void*)enc_random_b, sizeof(random_b), (const void*)key, IV );\r
rol(random_b,8);\r
memcpy(rnd_ab ,random_a,8);\r
memcpy(rnd_ab+8,random_b,8);\r
\r
// encrypt out, in, length, key, iv\r
tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
- //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r
+\r
len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r
if (len != 11) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
return 1;\r
}\r
\r
-int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
-{\r
- uint16_t len;\r
- uint8_t bt[2];\r
+int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData) {\r
+ uint16_t len = 0;\r
+ uint8_t bt[2] = {0x00, 0x00};\r
uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
\r
return 0;\r
}\r
\r
-int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
-{\r
+int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {\r
// variables\r
- uint16_t len, i; \r
+ uint16_t len = 0; \r
uint32_t pos = 0;\r
- uint8_t par[3] = {0x00}; // enough for 18 Bytes to send\r
+ uint8_t par[3] = {0x00, 0x00, 0x00}; // enough for 18 Bytes to send\r
byte_t res = 0;\r
\r
uint8_t d_block[18], d_block_enc[18];\r
AppendCrc14443a(d_block, 16);\r
\r
// crypto\r
- for (pos = 0; pos < 18; pos++)\r
- {\r
+ for (pos = 0; pos < 18; pos++) {\r
d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
} \r
len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
\r
res = 0;\r
- for (i = 0; i < 4; i++)\r
- res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
+ res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;\r
+ res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;\r
+ res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;\r
+ res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;\r
\r
if ((len != 1) || (res != 0x0A)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
return 2;\r
}\r
- \r
return 0;\r
}\r
\r
/* // command not needed, but left for future testing\r
-int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
-{\r
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) {\r
uint16_t len;\r
uint8_t par[3] = {0}; // enough for 18 parity bits\r
uint8_t d_block[18] = {0x00};\r
}\r
*/\r
\r
-int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
-{\r
- uint16_t len;\r
- uint8_t d_block[5] = {0x00};\r
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) {\r
+ uint16_t len = 0;\r
+ uint8_t block[5] = {blockNo, 0x00, 0x00, 0x00, 0x00 };\r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
\r
// command MIFARE_CLASSIC_WRITEBLOCK\r
- d_block[0]= blockNo;\r
- memcpy(d_block+1,blockData,4);\r
- //AppendCrc14443a(d_block, 6);\r
+ memcpy(block+1, blockData, 4);\r
\r
- len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
+ len = mifare_sendcmd( MIFARE_ULC_WRITE, block, sizeof(block), receivedAnswer, receivedAnswerPar, NULL);\r
\r
if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
return 0;\r
}\r
int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r
- uint16_t len; \r
- uint8_t receivedAnswer[4] = {0x00};\r
- uint8_t receivedAnswerPar[4] = {0x00};\r
-\r
- len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
+ uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};\r
+ uint16_t len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);\r
if (len != 0) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len); \r
+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("halt warning. response len: %x", len);\r
return 1;\r
}\r
return 0;\r
return mifare_classic_halt_ex(pcs);\r
}\r
\r
-int mifare_ultra_halt()\r
-{\r
- uint16_t len;\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
- \r
- len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
+int mifare_ultra_halt() {\r
+ uint16_t len = 0;\r
+ uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};\r
+ len = mifare_sendcmd_short(NULL, CRYPT_NONE, 0x50, 0x00, receivedAnswer, NULL, NULL);\r
if (len != 0) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
- Dbprintf("halt error. response len: %x", len);\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);\r
return 1;\r
}\r
return 0;\r
\r
// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
-uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
-{\r
- if (sectorNo < 32) \r
- return 4;\r
- return 16;\r
+uint8_t NumBlocksPerSector(uint8_t sectorNo) {\r
+ return (sectorNo < 32) ? 4 : 16;\r
}\r
\r
-uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
-{\r
+uint8_t FirstBlockOfSector(uint8_t sectorNo) {\r
if (sectorNo < 32)\r
return sectorNo * 4;\r
else\r
\r
}\r
\r
-\r
// work with emulator memory\r
void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
emlSetMem_xt(data, blockNum, blocksCount, 16);\r
uint64_t emlGetKey(int sectorNum, int keyType) {\r
uint8_t key[6] = {0x00};\r
uint8_t* emCARD = BigBuf_get_EM_addr();\r
- \r
memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + 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 = BigBuf_get_EM_addr();\r
- \r
memset(emCARD, 0, CARD_MEMORY_SIZE);\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
+ for(uint8_t b = 3; b < 256; ((b < 127) ? (b += 4) : (b += 16)))\r
+ emlSetMem((uint8_t *)trailer, b, 1);\r
\r
// uid\r
emlSetMem((uint8_t *)uid, 0, 1);\r
// Mifare desfire commands\r
int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
{\r
- uint8_t dcmd[5] = {0x00};\r
- dcmd[0] = cmd;\r
- memcpy(dcmd+1,data,2);\r
+ uint8_t dcmd[5] = {cmd, data[0], data[1], 0x00, 0x00};\r
AppendCrc14443a(dcmd, 3);\r
\r
ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
projects / proxmark3-svn / blobdiff