// Work with mifare cards.\r
//-----------------------------------------------------------------------------\r
\r
+#include "mifareutil.h"\r
+\r
+#include <string.h>\r
+#include <stdbool.h>\r
+\r
#include "proxmark3.h"\r
#include "apps.h"\r
#include "util.h"\r
-#include "string.h"\r
-\r
+#include "parity.h"\r
#include "iso14443crc.h"\r
#include "iso14443a.h"\r
-#include "crapto1.h"\r
-#include "mifareutil.h"\r
+#include "crapto1/crapto1.h"\r
+#include "mbedtls/des.h"\r
\r
int MF_DBGLEVEL = MF_DBG_ALL;\r
\r
// crypto1 helpers\r
-void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
+void mf_crypto1_decryptEx(struct Crypto1State *pcs, uint8_t *data_in, int len, uint8_t *data_out){\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
+ data_out[i] = crypto1_byte(pcs, 0x00, 0) ^ data_in[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
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data_in[0], i)) << i;\r
\r
- data[0] = bt;\r
+ data_out[0] = bt;\r
}\r
return;\r
}\r
\r
+void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
+ mf_crypto1_decryptEx(pcs, data, len, data);\r
+}\r
+\r
void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
uint8_t bt = 0;\r
int 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) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
+ par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
} \r
return;\r
}\r
return bt;\r
}\r
\r
-// send 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
- return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);\r
-}\r
-\r
-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)\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
- uint8_t dcmd[8];\r
- dcmd[0] = cmd;\r
- dcmd[1] = data[0];\r
- dcmd[2] = data[1];\r
- dcmd[3] = data[2];\r
- dcmd[4] = data[3];\r
- dcmd[5] = data[4];\r
- AppendCrc14443a(dcmd, 6);\r
- ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
- int len = ReaderReceive(answer, answer_parity);\r
- if(!len) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
- return 2;\r
- }\r
- return len;\r
-}\r
-\r
-int mifare_sendcmd_short_mfucauth(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[19];\r
- int len; \r
- dcmd[0] = cmd;\r
- memcpy(dcmd+1,data,16);\r
- AppendCrc14443a(dcmd, 17);\r
- \r
+ uint8_t dcmd[data_size+3];\r
+ dcmd[0] = cmd;\r
+ memcpy(dcmd+1,data,data_size);\r
+ AppendCrc14443a(dcmd, data_size+1);\r
ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
- len = ReaderReceive(answer, answer_parity);\r
+ int len = ReaderReceive(answer, answer_parity);\r
if(!len) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r
- len = ReaderReceive(answer,answer_parity);\r
- }\r
- if(len==1) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r
- return 1;\r
- }\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
\r
-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)\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
uint16_t pos, res;\r
for (pos = 0; pos < 4; pos++)\r
{\r
ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
- par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
+ par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
} \r
\r
ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
for (pos = 0; pos < 4; pos++)\r
{\r
mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
- par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-pos));\r
+ par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r
} \r
\r
// Skip 32 bits in pseudo random generator\r
{\r
nt = prng_successor(nt,8);\r
mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
- par[0] |= (((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) << (7-pos));\r
+ par[0] |= (((filter(pcs->odd) ^ oddparity8(nt)) & 0x01) << (7-pos));\r
} \r
\r
// Transmit reader nonce and reader answer\r
}\r
\r
// mifare ultralight commands\r
-int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack){\r
+int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
\r
uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
- \r
- len = mifare_sendcmd_short_mfucauth(NULL, 0, 0x1B, key, receivedAnswer, receivedAnswerPar, NULL);\r
+ uint8_t resp[4];\r
+ uint8_t respPar[1];\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
+ len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
+ //len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);\r
if (len != 4) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", receivedAnswer[0], len);\r
- return 1;\r
- }\r
- \r
- if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
- Dbprintf("Auth Resp: %02x%02x%02x%02x",\r
- receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3]);\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
+ return 0;\r
}\r
- memcpy(pack, receivedAnswer, 4);\r
- return 0;\r
+\r
+ if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
+ Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
+\r
+ memcpy(pack, resp, 4);\r
+ return 1;\r
}\r
\r
-int mifare_ultra_auth1(uint8_t *blockData){\r
+int mifare_ultra_auth(uint8_t *keybytes){\r
+\r
+ /// 3des2k\r
+\r
+ mbedtls_des3_context ctx = { {0} };\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 rnd_ab[16] = {0x00};\r
+ uint8_t IV[8] = {0x00};\r
+ uint8_t key[16] = {0x00};\r
+ memcpy(key, keybytes, 16);\r
\r
uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
- \r
- len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
+ uint8_t resp[19] = {0x00};\r
+ uint8_t respPar[3] = {0,0,0};\r
+\r
+ // REQUEST AUTHENTICATION\r
+ len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
if (len != 11) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
- return 1;\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
+ return 0;\r
}\r
\r
+ // tag nonce.\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
+ mbedtls_des3_set2key_dec(&ctx, key);\r
+ mbedtls_des3_crypt_cbc(&ctx // des3_context\r
+ , MBEDTLS_DES_DECRYPT // int mode\r
+ , sizeof(random_b) // length\r
+ , IV // iv[8]\r
+ , enc_random_b // input\r
+ , random_b // output\r
+ );\r
+\r
+ rol(random_b,8);\r
+ memcpy(rnd_ab ,random_a,8);\r
+ memcpy(rnd_ab+8,random_b,8);\r
+\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
- Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
- receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
- receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
- receivedAnswer[10]);\r
- }\r
- memcpy(blockData, receivedAnswer, 11);\r
- return 0;\r
-}\r
+ Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ 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]);\r
\r
-int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData){\r
+ Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ random_b[0],random_b[1],random_b[2],random_b[3],random_b[4],random_b[5],random_b[6],random_b[7]);\r
\r
- uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
- \r
- len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
+ Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
+\r
+ Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );\r
+ }\r
+\r
+ // encrypt out, in, length, key, iv\r
+ //tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+ mbedtls_des3_set2key_enc(&ctx, key);\r
+ mbedtls_des3_crypt_cbc(&ctx // des3_context\r
+ , MBEDTLS_DES_ENCRYPT // int mode\r
+ , sizeof(rnd_ab) // length\r
+ , enc_random_b // iv[8]\r
+ , rnd_ab // input\r
+ , rnd_ab // output\r
+ );\r
+\r
+ //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\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", receivedAnswer[0]);\r
- return 1;\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
+ return 0;\r
}\r
- \r
+\r
+ uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
+ uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r
+ memcpy(enc_resp, resp+1, 8);\r
+\r
+ // decrypt out, in, length, key, iv \r
+ // tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
+ mbedtls_des3_set2key_dec(&ctx, key);\r
+ mbedtls_des3_crypt_cbc(&ctx // des3_context\r
+ , MBEDTLS_DES_DECRYPT // int mode\r
+ , 8 // length\r
+ , enc_random_b // iv[8]\r
+ , enc_resp // input\r
+ , resp_random_a // output\r
+ );\r
+ if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
+ return 0;\r
+ }\r
+\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
- Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
- receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
- receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
- receivedAnswer[10]);\r
+ Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r
+ rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
+ rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
+\r
+ Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
+ rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r
+\r
+ Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ random_a[0],random_a[1],random_a[2],random_a[3],\r
+ random_a[4],random_a[5],random_a[6],random_a[7]);\r
+\r
+ Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r
+ resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
+ resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
}\r
- memcpy(blockData, receivedAnswer, 11);\r
- return 0;\r
+ return 1;\r
}\r
\r
+\r
+#define MFU_MAX_RETRIES 5\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
- \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
- return 1;\r
- }\r
- if (len != 18) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
- return 2;\r
+ uint8_t retries;\r
+ int result = 0;\r
+\r
+ for (retries = 0; retries < MFU_MAX_RETRIES; retries++) {\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
+ result = 1;\r
+ continue;\r
+ }\r
+ if (len != 18) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
+ result = 2;\r
+ continue;\r
+ }\r
+\r
+ memcpy(bt, receivedAnswer + 16, 2);\r
+ AppendCrc14443a(receivedAnswer, 16);\r
+ if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
+ result = 3;\r
+ continue;\r
+ }\r
+\r
+ // No errors encountered; don't retry\r
+ result = 0;\r
+ break;\r
}\r
- \r
- memcpy(bt, receivedAnswer + 16, 2);\r
- AppendCrc14443a(receivedAnswer, 16);\r
- if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
- if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
- return 3;\r
+\r
+ if (result != 0) {\r
+ Dbprintf("Cmd Error: too many retries; read failed");\r
+ return result;\r
}\r
- \r
+\r
memcpy(blockData, receivedAnswer, 14);\r
return 0;\r
}\r
\r
-\r
-\r
int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
{\r
// variables\r
for (pos = 0; pos < 18; pos++)\r
{\r
d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
- par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
+ par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
} \r
\r
ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
return 0;\r
}\r
\r
-int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) \r
+/* // command not needed, but left for future testing\r
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
{\r
uint16_t len;\r
uint8_t par[3] = {0}; // enough for 18 parity bits\r
uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
\r
- // command MIFARE_CLASSIC_WRITEBLOCK\r
len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
\r
if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
}\r
return 0;\r
}\r
+*/\r
\r
-int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)\r
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
{\r
uint16_t len;\r
- uint8_t d_block[8] = {0x00};\r
+ uint8_t d_block[5] = {0x00};\r
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
\r
// command MIFARE_CLASSIC_WRITEBLOCK\r
d_block[0]= blockNo;\r
memcpy(d_block+1,blockData,4);\r
- AppendCrc14443a(d_block, 6);\r
+ //AppendCrc14443a(d_block, 6);\r
\r
- len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);\r
+ len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
\r
if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
\r
}\r
\r
+uint8_t SectorTrailer(uint8_t blockNo)\r
+{\r
+ if (blockNo < 32*4) {\r
+ return (blockNo | 0x03);\r
+ } else {\r
+ return (blockNo | 0x0f);\r
+ }\r
+}\r
+\r
+bool IsSectorTrailer(uint8_t blockNo)\r
+{\r
+ return (blockNo == SectorTrailer(blockNo));\r
+}\r
\r
// work with emulator memory\r
void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
int len;\r
// load key, keynumber\r
uint8_t data[2]={0x0a, 0x00};\r
- uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
\r
len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
if (len == 1) {\r
}\r
return 1;\r
}\r
+\r
+//-----------------------------------------------------------------------------\r
+// MIFARE check keys\r
+//\r
+//-----------------------------------------------------------------------------\r
+// one key check\r
+int MifareChkBlockKey(uint8_t *uid, uint32_t *cuid, uint8_t *cascade_levels, uint64_t ui64Key, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r
+\r
+ struct Crypto1State mpcs = {0, 0};\r
+ struct Crypto1State *pcs;\r
+ pcs = &mpcs;\r
+\r
+ // Iceman: use piwi's faster nonce collecting part in hardnested.\r
+ if (*cascade_levels == 0) { // need a full select cycle to get the uid first\r
+ iso14a_card_select_t card_info;\r
+ if(!iso14443a_select_card(uid, &card_info, cuid, true, 0, true)) {\r
+ if (debugLevel >= 1) Dbprintf("ChkKeys: Can't select card");\r
+ return 1;\r
+ }\r
+ switch (card_info.uidlen) {\r
+ case 4 : *cascade_levels = 1; break;\r
+ case 7 : *cascade_levels = 2; break;\r
+ case 10: *cascade_levels = 3; break;\r
+ default: break;\r
+ }\r
+ } else { // no need for anticollision. We can directly select the card\r
+ if(!iso14443a_select_card(uid, NULL, NULL, false, *cascade_levels, true)) {\r
+ if (debugLevel >= 1) Dbprintf("ChkKeys: Can't select card (UID) lvl=%d", *cascade_levels);\r
+ return 1;\r
+ }\r
+ }\r
+ \r
+ if(mifare_classic_auth(pcs, *cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
+// SpinDelayUs(AUTHENTICATION_TIMEOUT); // it not needs because mifare_classic_auth have timeout from iso14a_set_timeout()\r
+ return 2;\r
+ } else {\r
+/* // let it be here. it like halt command, but maybe it will work in some strange cases\r
+ uint8_t dummy_answer = 0;\r
+ ReaderTransmit(&dummy_answer, 1, NULL);\r
+ int timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT; \r
+ // wait for the card to become ready again\r
+ while(GetCountSspClk() < timeout) {};\r
+*/\r
+ // it needs after success authentication\r
+ mifare_classic_halt(pcs, *cuid);\r
+ }\r
+ \r
+ return 0;\r
+}\r
+\r
+// multi key check\r
+int MifareChkBlockKeys(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r
+ uint8_t uid[10];\r
+ uint32_t cuid = 0;\r
+ uint8_t cascade_levels = 0;\r
+ uint64_t ui64Key = 0;\r
+\r
+ int retryCount = 0;\r
+ for (uint8_t i = 0; i < keyCount; i++) {\r
+\r
+ // Allow button press / usb cmd to interrupt device\r
+ if (BUTTON_PRESS() && !usb_poll_validate_length()) { \r
+ Dbprintf("ChkKeys: Cancel operation. Exit...");\r
+ return -2;\r
+ }\r
+\r
+ ui64Key = bytes_to_num(keys + i * 6, 6);\r
+ int res = MifareChkBlockKey(uid, &cuid, &cascade_levels, ui64Key, blockNo, keyType, debugLevel);\r
+ \r
+ // can't select\r
+ if (res == 1) {\r
+ retryCount++;\r
+ if (retryCount >= 5) {\r
+ Dbprintf("ChkKeys: block=%d key=%d. Can't select. Exit...", blockNo, keyType);\r
+ return -1;\r
+ }\r
+ --i; // try the same key once again\r
+\r
+ SpinDelay(20);\r
+// Dbprintf("ChkKeys: block=%d key=%d. Try the same key once again...", blockNo, keyType);\r
+ continue;\r
+ }\r
+ \r
+ // can't authenticate\r
+ if (res == 2) {\r
+ retryCount = 0;\r
+ continue; // can't auth. wrong key.\r
+ }\r
+\r
+ return i + 1;\r
+ }\r
+ \r
+ return 0;\r
+}\r
+\r
+// multisector multikey check\r
+int MifareMultisectorChk(uint8_t *keys, uint8_t keyCount, uint8_t SectorCount, uint8_t keyType, uint8_t debugLevel, TKeyIndex *keyIndex) {\r
+ int res = 0;\r
+ \r
+// int clk = GetCountSspClk();\r
+\r
+ for(int sc = 0; sc < SectorCount; sc++){\r
+ WDT_HIT();\r
+\r
+ int keyAB = keyType;\r
+ do {\r
+ res = MifareChkBlockKeys(keys, keyCount, FirstBlockOfSector(sc), keyAB & 0x01, debugLevel);\r
+ if (res < 0){\r
+ return res;\r
+ }\r
+ if (res > 0){\r
+ (*keyIndex)[keyAB & 0x01][sc] = res;\r
+ }\r
+ } while(--keyAB > 0);\r
+ }\r
+ \r
+// Dbprintf("%d %d", GetCountSspClk() - clk, (GetCountSspClk() - clk)/(SectorCount*keyCount*(keyType==2?2:1)));\r
+ \r
+ return 0;\r
+}\r
+\r
+\r
projects / proxmark3-svn / blobdiff