//-----------------------------------------------------------------------------\r
-// Merlok, May 2011\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
// 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
+#include "protocols.h"\r
\r
-int MF_DBGLEVEL = MF_DBG_ALL;\r
-\r
-// memory management\r
-uint8_t* mifare_get_bigbufptr(void) {\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
+int MF_DBGLEVEL = MF_DBG_INFO;\r
\r
// crypto1 helpers\r
-void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
- uint8_t bt = 0;\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
+\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
- \r
- data[0] = bt;\r
+ bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data_in[0], i)) << i;\r
+\r
+ data_out[0] = bt;\r
}\r
return;\r
}\r
\r
-void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, int len, uint32_t *par) {\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_encryptEx(struct Crypto1State *pcs, uint8_t *data, uint8_t *in, uint16_t len, uint8_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
+ par[0] = 0;\r
+\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
+ data[i] = crypto1_byte(pcs, in==NULL?0x00:in[i], 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
+ }\r
return;\r
}\r
\r
+void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
+ mf_crypto1_encryptEx(pcs, data, NULL, len, par);\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
+\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)\r
-{\r
- return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL);\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
+ 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
+ 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
+ //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, uint32_t * parptr)\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
uint8_t dcmd[4], ecmd[4];\r
- uint32_t pos, par, res;\r
-\r
+ uint16_t pos, res;\r
+ uint8_t par[1]; // 1 Byte parity is enough here\r
dcmd[0] = cmd;\r
dcmd[1] = data;\r
AppendCrc14443a(dcmd, 2);\r
- \r
+\r
memcpy(ecmd, dcmd, sizeof(dcmd));\r
- \r
+\r
if (crypted) {\r
- par = 0;\r
+ par[0] = 0;\r
for (pos = 0; pos < 4; pos++)\r
{\r
ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
- par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r
- } \r
-\r
- ReaderTransmitPar(ecmd, sizeof(ecmd), par);\r
-\r
+ par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
+ }\r
+ ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
} else {\r
- ReaderTransmit(dcmd, sizeof(dcmd));\r
+ ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
}\r
\r
- int len = ReaderReceivePar(answer, &par);\r
- \r
- if (parptr) *parptr = par;\r
+ int len = ReaderReceive(answer, par);\r
+\r
+ if (answer_parity) *answer_parity = par[0];\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
+\r
answer[0] = res;\r
- \r
+\r
} else {\r
for (pos = 0; pos < len; pos++)\r
{\r
}\r
}\r
}\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
- return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL);\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, uint32_t *auth_timeout) {\r
+\r
+ return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL, auth_timeout);\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
-{\r
- // variables\r
- int len; \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, uint32_t *auth_timeout) {\r
+\r
+ int len;\r
uint32_t pos;\r
- uint8_t tmp4[4];\r
- byte_t par = 0;\r
- byte_t ar[4];\r
+ uint8_t par[1] = {0x00};\r
+ byte_t nr[4];\r
uint32_t nt, ntpp; // Supplied tag nonce\r
- \r
+\r
uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
- uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\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, keyType & 0x01 ? MIFARE_AUTH_KEYB : MIFARE_AUTH_KEYA, blockNo, receivedAnswer, receivedAnswerPar, timing);\r
+ if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len);\r
if (len != 4) return 1;\r
- \r
- ar[0] = 0x55;\r
- ar[1] = 0x41;\r
- ar[2] = 0x49;\r
- ar[3] = 0x92; \r
- \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
crypto1_create(pcs, ui64Key);\r
\r
if (isNested == AUTH_NESTED) {\r
- // decrypt nt with help of new key \r
+ // decrypt nt with help of new key\r
nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r
} else {\r
// Load (plain) uid^nt into the cipher\r
\r
// some statistic\r
if (!ntptr && (MF_DBGLEVEL >= 3))\r
- Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
- \r
+ Dbprintf("auth uid: %08x nt: %08x", uid, nt);\r
+\r
// save Nt\r
if (ntptr)\r
*ntptr = nt;\r
\r
- par = 0;\r
// Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
- for (pos = 0; pos < 4; pos++)\r
- {\r
- mf_nr_ar[pos] = crypto1_byte(pcs, ar[pos], 0) ^ ar[pos];\r
- par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(ar[pos])) & 0x01) * 0x80 );\r
- } \r
- \r
+ par[0] = 0;\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
\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 = (par >> 1)| ( ((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) * 0x80 );\r
- } \r
- \r
+ mf_nr_ar[pos] = crypto1_byte(pcs, 0x00, 0) ^ (nt & 0xff);\r
+ par[0] |= (((filter(pcs->odd) ^ oddparity8(nt)) & 0x01) << (7-pos));\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
- if (!len)\r
- {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
+ // Receive 4 byte tag answer\r
+ uint32_t save_timeout = iso14a_get_timeout(); // save standard timeout\r
+ if (auth_timeout && *auth_timeout) {\r
+ iso14a_set_timeout(*auth_timeout); // set timeout for authentication response\r
+ }\r
+ uint32_t auth_timeout_start = GetCountSspClk();\r
+ len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
+ iso14a_set_timeout(save_timeout); // restore standard timeout\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
- if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
+ if (auth_timeout && !*auth_timeout) { // measure time for future authentication response timeout\r
+ *auth_timeout = (GetCountSspClk() - auth_timeout_start - (len * 9 + 2) * 8) / 8 + 1;\r
+ }\r
+\r
+ ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0, 0);\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
+\r
+int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {\r
// variables\r
- int len; \r
- uint8_t bt[2];\r
- \r
- uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
- \r
+ int len;\r
+ uint8_t bt[2];\r
+\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+\r
// command MIFARE_CLASSIC_READBLOCK\r
- len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer);\r
+ len = mifare_sendcmd_short(pcs, 1, MIFARE_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
if (len == 1) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
return 1;\r
}\r
if (len != 18) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r
+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
return 2;\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 >= 1) Dbprintf("Cmd CRC response error."); \r
+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error.");\r
return 3;\r
}\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
+// 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];\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(MIFARE_ULEV1_AUTH, 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", resp[0], len);\r
+ return 0;\r
+ }\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_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 resp[19] = {0x00};\r
+ uint8_t respPar[3] = {0,0,0};\r
+\r
+ // REQUEST AUTHENTICATION\r
+ len = mifare_sendcmd_short(NULL, 1, MIFARE_ULC_AUTH_1, 0x00, resp, respPar ,NULL);\r
+ if (len != 11) {\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("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
+ 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
+ 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(MIFARE_ULC_AUTH_2, 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 0;\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("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
+ 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
+ uint8_t retries;\r
+ int result = 0;\r
+\r
+ for (retries = 0; retries < MFU_MAX_RETRIES; retries++) {\r
+ len = mifare_sendcmd_short(NULL, 1, MIFARE_CMD_READBLOCK, 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
+ if (result != 0) {\r
+ Dbprintf("Cmd Error: too many retries; read failed");\r
+ return result;\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
- int len, i; \r
+ uint16_t len, i;\r
uint32_t pos;\r
- uint32_t par = 0;\r
+ uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
byte_t res;\r
- \r
+\r
uint8_t d_block[18], d_block_enc[18];\r
- uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
- \r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+\r
// command MIFARE_CLASSIC_WRITEBLOCK\r
- len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer);\r
+ len = mifare_sendcmd_short(pcs, 1, MIFARE_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
\r
if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
return 1;\r
}\r
- \r
+\r
memcpy(d_block, blockData, 16);\r
AppendCrc14443a(d_block, 16);\r
- \r
+\r
// crypto\r
- par = 0;\r
for (pos = 0; pos < 18; pos++)\r
{\r
d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
- par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r
- } \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);\r
+ ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
\r
// Receive the response\r
- len = ReaderReceive(receivedAnswer); \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
\r
if ((len != 1) || (res != 0x0A)) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
+ if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res);\r
return 2;\r
}\r
- \r
+\r
return 0;\r
}\r
\r
-int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r
+/* // command not needed, but left for future testing\r
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData)\r
{\r
- // variables\r
- int len; \r
- \r
- // Mifare HALT\r
- uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+ uint16_t len;\r
+ uint8_t par[3] = {0}; // enough for 18 parity bits\r
+ uint8_t d_block[18] = {0x00};\r
+ uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
+\r
+ len = mifare_sendcmd_short(NULL, true, MIFARE_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
+\r
+ if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r
+ return 1;\r
+ }\r
+\r
+ memcpy(d_block, blockData, 16);\r
+ AppendCrc14443a(d_block, 16);\r
+\r
+ ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
+\r
+ len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
+\r
+ if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
+ return 2;\r
+ }\r
+ return 0;\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
+ 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
+\r
+ len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
\r
- len = mifare_sendcmd_short(pcs, 1, 0x50, 0x00, receivedAnswer);\r
+ if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
+ return 1;\r
+ }\r
+ return 0;\r
+}\r
+\r
+int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)\r
+{\r
+ uint16_t len;\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+\r
+ len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, ISO14443A_CMD_HALT, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
if (len != 0) {\r
- if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); \r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("halt error. response len: %x", len);\r
return 1;\r
}\r
\r
return 0;\r
}\r
\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
+\r
+ len = mifare_sendcmd_short(NULL, true, ISO14443A_CMD_HALT, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
+ if (len != 0) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("halt error. response len: %x", len);\r
+ return 1;\r
+ }\r
+ return 0;\r
+}\r
+\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
+ else\r
+ return 16;\r
+}\r
+\r
+uint8_t FirstBlockOfSector(uint8_t sectorNo)\r
+{\r
+ if (sectorNo < 32)\r
+ return sectorNo * 4;\r
+ else\r
+ return 32*4 + (sectorNo - 32) * 16;\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
- uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
- \r
+ uint8_t* emCARD = BigBuf_get_EM_addr();\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
+ uint8_t* emCARD = BigBuf_get_EM_addr();\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
+ uint8_t* emCARD = BigBuf_get_EM_addr();\r
memcpy(data, emCARD + bytePtr, byteCount);\r
}\r
\r
+int emlCheckValBl(int blockNum) {\r
+ uint8_t* emCARD = BigBuf_get_EM_addr();\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
+int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
+ uint8_t* emCARD = BigBuf_get_EM_addr();\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
+ return 0;\r
+}\r
+\r
+int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
+ uint8_t* emCARD = BigBuf_get_EM_addr();\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 = 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 i;\r
- \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 empty[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};\r
const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
- // fill sectors data\r
- for(i = 0; i < 16; i++) {\r
- emlSetMem((uint8_t *)empty, i * 4 + 0, 1);\r
- emlSetMem((uint8_t *)empty, i * 4 + 1, 1);\r
- emlSetMem((uint8_t *)empty, i * 4 + 2, 1);\r
- emlSetMem((uint8_t *)trailer, i * 4 + 3, 1);\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
\r
// uid\r
emlSetMem((uint8_t *)uid, 0, 1);\r
return;\r
}\r
+\r
+\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
+ AppendCrc14443a(dcmd, 3);\r
+\r
+ ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
+ int len = ReaderReceive(answer, answer_parity);\r
+ if(!len) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Authentication failed. Card timeout.");\r
+ return 1;\r
+ }\r
+ return len;\r
+}\r
+\r
+int mifare_sendcmd_special2(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[20] = {0x00};\r
+ dcmd[0] = cmd;\r
+ memcpy(dcmd+1,data,17);\r
+ AppendCrc14443a(dcmd, 18);\r
+\r
+ ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
+ int len = ReaderReceive(answer, answer_parity);\r
+ if(!len){\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Authentication failed. Card timeout.");\r
+ return 1;\r
+ }\r
+ return len;\r
+}\r
+\r
+int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
+\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
+\r
+ len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
+ if (len == 1) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ return 1;\r
+ }\r
+\r
+ if (len == 12) {\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],receivedAnswer[11]);\r
+ }\r
+ memcpy(blockData, receivedAnswer, 12);\r
+ return 0;\r
+ }\r
+ return 1;\r
+}\r
+\r
+int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
+\r
+ int len;\r
+ uint8_t data[17] = {0x00};\r
+ data[0] = 0xAF;\r
+ memcpy(data+1,key,16);\r
+\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+\r
+ len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
+\r
+ if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+ Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
+ return 1;\r
+ }\r
+\r
+ if (len == 12){\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],receivedAnswer[11]);\r
+ }\r
+ memcpy(blockData, receivedAnswer, 12);\r
+ return 0;\r
+ }\r
+ return 1;\r
+}\r
+\r
+//-----------------------------------------------------------------------------\r
+// MIFARE check keys\r
+//\r
+//-----------------------------------------------------------------------------\r
+// one key check\r
+static int MifareChkBlockKey(uint8_t *uid, uint32_t *cuid, uint8_t *cascade_levels, uint8_t *key, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel, bool fixed_nonce) {\r
+\r
+ struct Crypto1State mpcs = {0, 0};\r
+ struct Crypto1State *pcs;\r
+ pcs = &mpcs;\r
+\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 (!fixed_nonce) {\r
+ uint64_t ui64Key = bytes_to_num(key, 6);\r
+ if (mifare_classic_auth(pcs, *cuid, blockNo, keyType, ui64Key, AUTH_FIRST, auth_timeout)) { // authentication failed\r
+ return -2;\r
+ } else {\r
+ mifare_classic_halt(pcs, *cuid);\r
+ }\r
+ } else {\r
+ uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+ uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+ // Transmit MIFARE_CLASSIC_AUTH\r
+ int len = mifare_sendcmd_short(pcs, false, keyType & 0x01 ? MIFARE_AUTH_KEYB : MIFARE_AUTH_KEYA, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
+ if (len != 4) return -2;\r
+ // Transmit encrypted reader nonce and reader answer\r
+ uint8_t mf_nr_ar[8] = NESTED_FIXED_NR_ENC;\r
+ memcpy(mf_nr_ar + 4, key, 4);\r
+ ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), key + 4, NULL);\r
+ uint32_t save_timeout = iso14a_get_timeout(); // save standard timeout\r
+ iso14a_set_timeout(*auth_timeout); // set timeout for authentication response\r
+ len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
+ iso14a_set_timeout(save_timeout); // restore standard timeout\r
+ if (!len) return -2;\r
+ }\r
+\r
+ return 0; // success\r
+}\r
+\r
+// multi key check\r
+static int MifareChkBlockKeysEx(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel, bool fixed_nonce) {\r
+\r
+ uint8_t uid[10];\r
+ uint32_t cuid = 0;\r
+ uint8_t cascade_levels = 0;\r
+\r
+ int retryCount = 0;\r
+ for (uint8_t i = 0; i < keyCount; i++) {\r
+ uint8_t bytes_per_key = fixed_nonce ? 5 : 6;\r
+ int res = MifareChkBlockKey(uid, &cuid, &cascade_levels, keys + i*bytes_per_key, blockNo, keyType, auth_timeout, debugLevel, fixed_nonce);\r
+ if (res == -1) { // couldn't select\r
+ retryCount++;\r
+ if (retryCount >= 5) {\r
+ Dbprintf("ChkKeys: block=%d key=%d. Couldn't select. Exit...", blockNo, keyType);\r
+ return -1;\r
+ } else {\r
+ --i; // try the same key once again\r
+ SpinDelay(20);\r
+ // Dbprintf("ChkKeys: block=%d key=%d. Try the same key once again...", blockNo, keyType);\r
+ continue;\r
+ }\r
+ }\r
+ if (res == -2) { // couldn't authenticate with this key\r
+ retryCount = 0;\r
+ continue;\r
+ }\r
+\r
+ return i + 1; // successful authentication\r
+\r
+ }\r
+\r
+ if (BUTTON_PRESS()) {\r
+ return -2;\r
+ }\r
+\r
+ return 0; // couldn't authenticate with any key\r
+}\r
+\r
+\r
+int MifareChkBlockKeys(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel) {\r
+ return MifareChkBlockKeysEx(keys, keyCount, blockNo, keyType, auth_timeout, debugLevel, false);\r
+}\r
+\r
+\r
+// fixed nonce check\r
+int MifareChkBlockKeysFixedNonce(uint8_t *ar_par, uint8_t ar_par_cnt, uint8_t blockNo, uint8_t keyType, uint32_t *auth_timeout, uint8_t debugLevel) {\r
+ return MifareChkBlockKeysEx(ar_par, ar_par_cnt, blockNo, keyType, auth_timeout, debugLevel, true);\r
+}\r
+\r
+\r
+// multisector multikey check\r
+int MifareMultisectorChk(uint8_t *keys, uint8_t keyCount, uint8_t SectorCount, uint8_t keyType, uint32_t *auth_timeout, 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, auth_timeout, 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 1;\r
+}\r
+\r
+\r
projects / proxmark3-svn / blobdiff