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
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 0)) << 0;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 1)) << 1;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 2)) << 2;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 3)) << 3;\r
data[0] = bt;\r
}\r
return;\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
+ if ((i&0x0007) == 0) \r
par[i>>3] = 0;\r
par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\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
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 0)) << 0;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 1)) << 1;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 2)) << 2;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 3)) << 3;\r
return bt;\r
}\r
\r
if(!len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
len = ReaderReceive(answer,answer_parity);\r
- //return 0;\r
}\r
return len;\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], ecmd[4];\r
+ uint8_t dcmd[4] = {0x00};\r
+ uint8_t ecmd[4] = {0x00};\r
uint16_t pos, res;\r
- uint8_t par[1]; // 1 Byte parity is enough here\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
if (crypted) {\r
par[0] = 0;\r
- for (pos = 0; pos < 4; pos++)\r
- {\r
+ for (pos = 0; pos < 4; pos++) {\r
ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
} \r
if (crypted == CRYPT_ALL) {\r
if (len == 1) {\r
res = 0;\r
- for (pos = 0; pos < 4; pos++)\r
- res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r
- \r
+ res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0;\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
} else {\r
for (pos = 0; pos < len; pos++)\r
- {\r
answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
- }\r
}\r
}\r
\r
// variables\r
int len; \r
uint32_t pos;\r
- uint8_t tmp4[4];\r
uint8_t par[1] = {0x00};\r
- byte_t nr[4];\r
+\r
+ // "random" reader nonce:\r
+ //byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\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
if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r
if (len != 4) return 1;\r
\r
- // "random" reader nonce:\r
- nr[0] = 0x55;\r
- nr[1] = 0x41;\r
- nr[2] = 0x49;\r
- nr[3] = 0x92; \r
- \r
// Save the tag nonce (nt)\r
nt = bytes_to_num(receivedAnswer, 4);\r
\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
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
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
{\r
// variables\r
int len; \r
- uint8_t bt[2];\r
+ uint8_t bt[2] = {0x00};\r
\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
// command MIFARE_CLASSIC_READBLOCK\r
len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
\r
uint16_t len;\r
- uint8_t resp[4];\r
- uint8_t respPar[1];\r
+ uint8_t resp[4] = {0x00};\r
+ uint8_t respPar[1] = {0x00};\r
uint8_t key[4] = {0x00};\r
memcpy(key, keybytes, 4);\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
+ \r
len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
\r
if (len != 4) {\r
int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
{\r
uint16_t len;\r
- uint8_t bt[2];\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+ uint8_t bt[2] = {0x00};\r
+ uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
\r
-\r
len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
if (len == 1) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
{\r
// variables\r
- uint16_t len, i; \r
+ uint16_t len; \r
uint32_t pos = 0;\r
uint8_t par[3] = {0x00}; // enough for 18 Bytes to send\r
byte_t res = 0;\r
\r
uint8_t d_block[18], d_block_enc[18];\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
// command MIFARE_CLASSIC_WRITEBLOCK\r
len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\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
{\r
uint16_t len;\r
uint8_t d_block[5] = {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
// command MIFARE_CLASSIC_WRITEBLOCK\r
d_block[0]= blockNo;\r
}\r
int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r
uint16_t len; \r
- uint8_t receivedAnswer[4];\r
- uint8_t receivedAnswerPar[4];\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
if (len != 0) {\r
int mifare_ultra_halt()\r
{\r
uint16_t len;\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
len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
if (len != 0) {\r
{\r
if (sectorNo < 32) \r
return 4;\r
- else\r
- return 16;\r
+ return 16;\r
}\r
\r
uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
uint8_t* emCARD = BigBuf_get_EM_addr();\r
uint8_t* data = emCARD + blockNum * 16;\r
\r
- if (emlCheckValBl(blockNum)) {\r
+ if (emlCheckValBl(blockNum))\r
return 1;\r
- }\r
\r
memcpy(blReg, data, 4);\r
*blBlock = data[12];\r
}\r
\r
uint64_t emlGetKey(int sectorNum, int keyType) {\r
- uint8_t key[6];\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
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
+ 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
int len;\r
// load key, keynumber\r
uint8_t data[2]={0x0a, 0x00};\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+ uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
\r
len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
if (len == 1) {\r
data[0] = 0xAF;\r
memcpy(data+1,key,16);\r
\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+ uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
+ uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
\r
len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
\r
projects / proxmark3-svn / blobdiff