-// iso14a_set_tracing(TRUE);\r
-
-}
-
-void MifareUReadBlock(uint8_t arg0,uint8_t *datain)
-{
- // params
- uint8_t blockNo = arg0;
-
- // variables
- byte_t isOK = 0;
- byte_t dataoutbuf[16];
- uint8_t uid[10];
- uint32_t cuid;
-
- // clear trace
- iso14a_clear_trace();
- iso14443a_setup();
-
- LED_A_ON();
- LED_B_OFF();
- LED_C_OFF();
-
- while (true) {
- if(!iso14443a_select_card(uid, NULL, &cuid)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
- break;
- };
-
- if(mifare_ultra_readblock(cuid, blockNo, dataoutbuf)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");
- break;
- };
-
- if(mifare_ultra_halt(cuid)) {
- if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");
- break;
- };
-
- isOK = 1;
- break;
- }
-
- if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");
-
- // add trace trailer
- memset(uid, 0x44, 4);
- LogTrace(uid, 4, 0, 0, TRUE);
- LED_B_ON();
- cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);
- LED_B_OFF();
-
-
- // Thats it...
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LEDsoff();
-}
-
-//-----------------------------------------------------------------------------
-// Select, Authenticaate, Read an MIFARE tag.
-// read sector (data = 4 x 16 bytes = 64 bytes)
+}\r
+\r
+void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
+{\r
+ uint8_t blockNo = arg0;\r
+ byte_t dataout[16] = {0x00};\r
+ uint8_t uid[10] = {0x00};\r
+ uint8_t key[16] = {0x00};\r
+ bool usePwd = (arg1 == 1);\r
+ \r
+ LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+ \r
+ clear_trace();\r
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+ \r
+ int len = iso14443a_select_card(uid, NULL, NULL);\r
+ if(!len) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
+ OnError(1);\r
+ return;\r
+ }\r
+ \r
+ // authenticate here.\r
+ if ( usePwd ) {\r
+ \r
+ memcpy(key, datain, 16);\r
+ \r
+ // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );\r
+ // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );\r
+\r
+ uint8_t a[8] = {1,1,1,1,1,1,1,1 };\r
+ uint8_t b[8] = {0x00};\r
+ uint8_t enc_b[8] = {0x00};\r
+ uint8_t ab[16] = {0x00};\r
+ uint8_t enc_ab[16] = {0x00}; \r
+ uint8_t enc_key[8] = {0x00};\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
+ if (len != 11) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ OnError(1);\r
+ return;\r
+ }\r
+ \r
+ // tag nonce.\r
+ memcpy(enc_b,receivedAnswer+1,8);\r
+\r
+ // decrypt nonce.\r
+ tdes_2key_dec(b, enc_b, 8, key );\r
+\r
+ Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", enc_b[0],enc_b[1],enc_b[2],enc_b[3],enc_b[4],enc_b[5],enc_b[6],enc_b[7] );\r
+ Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );\r
+ rol(b,8);\r
+ \r
+ memcpy(ab ,a,8);\r
+ memcpy(ab+8,b,8);\r
+\r
+ Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] );\r
+ Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] );\r
+\r
+ // encrypt\r
+ tdes_2key_enc(enc_ab, ab, 16, key);\r
+\r
+ Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[0],enc_ab[1],enc_ab[2],enc_ab[3],enc_ab[4],enc_ab[5],enc_ab[6],enc_ab[7] );\r
+ Dbprintf("e_enc_ab: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[8],enc_ab[9],enc_ab[10],enc_ab[11],enc_ab[12],enc_ab[13],enc_ab[14],enc_ab[15] );\r
+\r
+ len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, enc_ab, receivedAnswer, receivedAnswerPar, NULL);\r
+ if (len != 11) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+ OnError(1);\r
+ return;\r
+ }\r
+ \r
+ // the tags' encryption of our nonce, A.\r
+ memcpy(enc_key, receivedAnswer+1, 8);\r
+ \r
+ // clear B.\r
+ memset(b, 0x00, 8);\r
+ \r
+ // decrypt \r
+ tdes_2key_dec(b, enc_key, 8, key );\r
+ if ( memcmp(a, b, 8) == 0 )\r
+ Dbprintf("Verified key");\r
+ else\r
+ Dbprintf("failed authentication");\r
+ \r
+ Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x", a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7] );\r
+ Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );\r
+ }\r
+ \r
+ if( mifare_ultra_readblock(blockNo, dataout) ) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");\r
+ OnError(2);\r
+ return;\r
+ }\r
+ \r
+ if( mifare_ultra_halt() ) {\r
+ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
+ OnError(3);\r
+ return;\r
+ }\r
+ \r
+ cmd_send(CMD_ACK,1,0,0,dataout,16);\r
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+ LEDsoff();\r
+}\r
+//-----------------------------------------------------------------------------\r
+// Select, Authenticate, Read a MIFARE tag. \r
+// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)\r
projects / proxmark3-svn / blobdiff