#include "iso14443a.h"\r
#include "crapto1.h"\r
#include "mifareutil.h"\r
+#include "des.h"\r
\r
int MF_DBGLEVEL = MF_DBG_ALL;\r
\r
return len;\r
}\r
\r
+int mifare_sendcmd_short_mfuev1auth(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[7];\r
+ int len; \r
+ dcmd[0] = cmd;\r
+ memcpy(dcmd+1,data,4);\r
+ AppendCrc14443a(dcmd, 5);\r
+ \r
+ ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
+ 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
+ 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
{\r
uint8_t dcmd[4], ecmd[4];\r
}\r
\r
// mifare ultralight commands\r
-int mifare_ultra_auth1(uint8_t *blockData){\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
+ uint8_t resp[4];\r
+ uint8_t respPar[1];\r
+ uint8_t key[4] = {0x00}; \r
+ memcpy(key, keybytes, 4);\r
+ \r
+ Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\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
- len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\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
+ 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, 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
- 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
+ // tag nonce.\r
+ memcpy(enc_random_b,resp+1,8);\r
\r
-int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData){\r
+ // decrypt nonce.\r
+ tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\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
- uint16_t len;\r
- uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
- uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\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
- len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
+ // encrypt out, in, length, key, iv\r
+ tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+\r
+ len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, 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
+ 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
+ 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
int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
return 0;\r
}\r
\r
-\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
- uint32_t pos;\r
- uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
- byte_t res;\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
projects / proxmark3-svn / blobdiff