]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifarecmd.c
ADD: new defines: iso14443_CMD_AUTH_KEYA, iso14443_CMD_AUTH_KEYB, iso14443_CMD_AUTH_R...
[proxmark3-svn] / armsrc / mifarecmd.c
index ff853a5780df4723f9bcde0032d9d97d0efef51f..27c0ce139b3cc066745712ca6279594b7ef725b6 100644 (file)
@@ -20,7 +20,7 @@
 #include "../common/crc.h"\r
 \r
 //-----------------------------------------------------------------------------\r
-// Select, Authenticaate, Read an MIFARE tag. \r
+// Select, Authenticate, Read a MIFARE tag. \r
 // read block\r
 //-----------------------------------------------------------------------------\r
 void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
@@ -76,7 +76,7 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
-       if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");\r
+       if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r
 \r
        LED_B_ON();\r
        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
@@ -90,8 +90,8 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){\r
        // variables\r
        byte_t isOK = 0;\r
-       byte_t dataoutbuf[16];\r
-       uint8_t uid[10];\r
+       byte_t dataoutbuf[16] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
        uint32_t cuid;\r
     \r
        // clear trace\r
@@ -106,9 +106,6 @@ void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
        if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
           if (MF_DBGLEVEL >= 1)        Dbprintf("Can't select card, something went wrong before auth");\r
        };\r
-\r
-       \r
-       \r
        \r
        if(mifare_ultra_auth1(cuid, dataoutbuf)){\r
          if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part1: Fail.");    \r
@@ -119,18 +116,15 @@ void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
     \r
        LED_B_ON();\r
     cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);\r
-       LED_B_OFF();\r
          \r
-       // Thats it...\r
        LEDsoff();\r
 }\r
 void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){\r
-       // params\r
+\r
        uint32_t cuid = arg0;\r
-       uint8_t key[16]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
-       // variables\r
+       uint8_t key[16] = {0x00};\r
        byte_t isOK = 0;\r
-       byte_t dataoutbuf[16];\r
+       byte_t dataoutbuf[16] = {0x00};\r
     \r
        memcpy(key, datain, 16);\r
     \r
@@ -141,11 +135,11 @@ void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
        if(mifare_ultra_auth2(cuid, key, dataoutbuf)){\r
            if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part2: Fail...");    \r
        }\r
-       isOK=1;\r
+       isOK = 1;\r
        if (MF_DBGLEVEL >= 2)   DbpString("AUTH 2 FINISHED");\r
     \r
        LED_B_ON();\r
-        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,11);\r
+       cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,11);\r
        LED_B_OFF();\r
     \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
@@ -154,48 +148,40 @@ void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
 \r
 void MifareUReadBlock(uint8_t arg0,uint8_t *datain)\r
 {\r
-    // params\r
        uint8_t blockNo = arg0;\r
-       \r
-       // variables\r
-       byte_t isOK = 0;\r
-       byte_t dataoutbuf[16];\r
-       uint8_t uid[10];\r
+       byte_t dataout[16] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
        uint32_t cuid;\r
     \r
-       // clear trace\r
-       iso14a_clear_trace();\r
-       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-    \r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
+\r
+       iso14a_clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
     \r
-       while (true) {\r
-               if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
-            if (MF_DBGLEVEL >= 1)      Dbprintf("Can't select card");\r
-                       break;\r
-               };\r
-        \r
-               if(mifare_ultra_readblock(cuid, blockNo, dataoutbuf)) {\r
-            if (MF_DBGLEVEL >= 1)      Dbprintf("Read block error");\r
-                       break;\r
-               };\r
-        \r
-               if(mifare_ultra_halt(cuid)) {\r
-            if (MF_DBGLEVEL >= 1)      Dbprintf("Halt error");\r
-                       break;\r
-               };\r
-               \r
-               isOK = 1;\r
-               break;\r
-       }\r
+       int len = iso14443a_select_card(uid, NULL, &cuid);\r
+       if(!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Can't select card");\r
+               OnError(1);\r
+               return;\r
+       };\r
        \r
-       if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");\r
-    \r
-       LED_B_ON();\r
-    cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r
-       LED_B_OFF();\r
+       len = mifare_ultra_readblock(cuid, blockNo, dataout);\r
+       if(len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Read block error");\r
+               OnError(2);\r
+               return;\r
+       };\r
+       \r
+       len = mifare_ultra_halt(cuid);\r
+       if(len) {\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
@@ -270,59 +256,68 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 \r
 void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)\r
 {\r
-  // params\r
-        uint8_t sectorNo = arg0;\r
-        int Pages=arg1;\r
-       int count_Pages=0;\r
-        // variables\r
-        byte_t isOK = 0;\r
-        byte_t dataoutbuf[44 * 4];\r
-        uint8_t uid[10];\r
-        uint32_t cuid;\r
-\r
-        // clear trace\r
-        iso14a_clear_trace();\r
+       // params\r
+       uint8_t sectorNo = arg0;\r
+       int Pages = arg1;\r
+       int count_Pages = 0;\r
+       byte_t dataout[176] = {0x00};;\r
+       uint8_t uid[10] = {0x00};\r
+       uint32_t cuid;\r
+       \r
+       LED_A_ON();\r
+       LED_B_OFF();\r
+       LED_C_OFF();\r
 \r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       if (MF_DBGLEVEL >= MF_DBG_ALL) \r
+               Dbprintf("Pages %d",Pages);\r
+       \r
+       iso14a_clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-        LED_A_ON();\r
-        LED_B_OFF();\r
-        LED_C_OFF();\r
-        Dbprintf("Pages %d",Pages);\r
-        while (true) {\r
-                if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
-                        break;\r
-                };\r
-               for(int sec=0;sec<Pages;sec++){\r
-                    if(mifare_ultra_readblock(cuid, sectorNo * 4 + sec, dataoutbuf + 4 * sec)) {\r
-                    if (MF_DBGLEVEL >= 1)   Dbprintf("Read block %d error",sec);\r
-                        break;\r
-                    }else{\r
-                     count_Pages++;\r
-                    };\r
-                }\r
-                if(mifare_ultra_halt(cuid)) {\r
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                        break;\r
-                };\r
-\r
-                isOK = 1;\r
-                break;\r
-        }\r
-        Dbprintf("Pages read %d",count_Pages);\r
-        if (MF_DBGLEVEL >= 2) DbpString("READ CARD FINISHED");\r
-\r
-        LED_B_ON();\r
-       if (Pages==16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,64);\r
-       if (Pages==44 && count_Pages==16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,64);\r
-       if (Pages==44 && count_Pages>16) cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,176);\r
-        LED_B_OFF();\r
-\r
-        // Thats it...\r
-        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-        LEDsoff();\r
+       int len = iso14443a_select_card(uid, NULL, &cuid);\r
+       \r
+       if (!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Can't select card");\r
+               OnError(1);\r
+               return;\r
+       }\r
+       \r
+       for (int i = 0; i < Pages; i++){\r
+       \r
+               len = mifare_ultra_readblock(cuid, sectorNo * 4 + i, dataout + 4 * i);\r
+               \r
+               if (len) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                               Dbprintf("Read block %d error",i);\r
+                       OnError(2);\r
+                       return;\r
+               } else {\r
+                       count_Pages++;\r
+               }\r
+       }\r
+               \r
+       len = mifare_ultra_halt(cuid);\r
+       if (len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
+                       Dbprintf("Halt error");\r
+               OnError(3);\r
+               return;\r
+       }\r
+       \r
+       if (MF_DBGLEVEL >= MF_DBG_ALL) {\r
+               Dbprintf("Pages read %d", count_Pages);\r
+       }\r
 \r
+       len = 16*4; //64 bytes\r
+       \r
+       // Read a UL-C\r
+       if (Pages == 44 && count_Pages > 16) \r
+               len = 176;\r
+\r
+       cmd_send(CMD_ACK, 1, 0, 0, dataout, len);       \r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
 }\r
 \r
 \r
@@ -400,76 +395,65 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 \r
 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
 {\r
-        // params\r
-        uint8_t blockNo = arg0;\r
-        byte_t blockdata[16];\r
+       // params\r
+       uint8_t blockNo = arg0;\r
+       byte_t blockdata[16] = {0x00};\r
 \r
-        memset(blockdata,'\0',16);\r
-        memcpy(blockdata, datain,16);\r
-        \r
-        // variables\r
-        byte_t isOK = 0;\r
-        uint8_t uid[10];\r
-        uint32_t cuid;\r
+       memcpy(blockdata, datain, 16);\r
+       \r
+       // variables\r
+       byte_t isOK = 0;\r
+       uint8_t uid[10] = {0x00};\r
+       uint32_t cuid;\r
 \r
-        // clear trace\r
-        iso14a_clear_trace();\r
+       iso14a_clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       LED_A_ON();\r
+       LED_B_OFF();\r
+       LED_C_OFF();\r
 \r
-        LED_A_ON();\r
-        LED_B_OFF();\r
-        LED_C_OFF();\r
-\r
-        while (true) {\r
-                if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
-                        break;\r
-                };\r
-\r
-                if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {\r
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
-                        break;\r
-                };\r
-\r
-                if(mifare_ultra_halt(cuid)) {\r
-                        if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                        break;\r
-                };\r
-                \r
-                isOK = 1;\r
-                break;\r
-        }\r
-        \r
-        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
+       while (true) {\r
+               if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+                               if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
+                               break;\r
+               };\r
 \r
-        LED_B_ON();\r
-               cmd_send(CMD_ACK,isOK,0,0,0,0);\r
-        LED_B_OFF();\r
+               if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {\r
+                               if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
+                               break;\r
+               };\r
 \r
+               if(mifare_ultra_halt(cuid)) {\r
+                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
+                               break;\r
+               };\r
+               \r
+               isOK = 1;\r
+               break;\r
+       }\r
+        \r
+       if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
-        // Thats it...\r
-        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-        LEDsoff();\r
-//  iso14a_set_tracing(TRUE);\r
+       cmd_send(CMD_ACK,isOK,0,0,0,0);\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
 }\r
 \r
 void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r
 {\r
        // params\r
        uint8_t blockNo = arg0;\r
-       byte_t blockdata[4];\r
+       byte_t blockdata[4] = {0x00};\r
        \r
        memcpy(blockdata, datain,4);\r
 \r
        // variables\r
        byte_t isOK = 0;\r
-       uint8_t uid[10];\r
+       uint8_t uid[10] = {0x00};\r
        uint32_t cuid;\r
 \r
-       // clear trace\r
        iso14a_clear_trace();\r
-\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        LED_A_ON();\r
@@ -498,17 +482,13 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
 \r
        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
-       LED_B_ON();\r
        cmd_send(CMD_ACK,isOK,0,0,0,0);\r
-       LED_B_OFF();\r
-\r
-       // Thats it...\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
 \r
 // Return 1 if the nonce is invalid else return 0\r
-int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, byte_t * parity) {\r
+int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t * parity) {\r
        return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r
        (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r
        (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r
@@ -535,7 +515,8 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        uint16_t davg;\r
        static uint16_t dmin, dmax;\r
        uint8_t uid[10];\r
-       uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;\r
+       uint32_t cuid, nt1, nt2, nttmp, nttest, ks1;\r
+       uint8_t par[1];\r
        uint32_t target_nt[2], target_ks[2];\r
        \r
        uint8_t par_array[4];\r
@@ -543,7 +524,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        struct Crypto1State mpcs = {0, 0};\r
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       uint8_t* receivedAnswer =  get_bigbufptr_recvrespbuf();\r
 \r
        uint32_t auth1_time, auth2_time;\r
        static uint16_t delta_time;\r
@@ -561,9 +542,10 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        // statistics on nonce distance\r
        if (calibrate) {        // for first call only. Otherwise reuse previous calibration\r
                LED_B_ON();\r
+               WDT_HIT();\r
 \r
                davg = dmax = 0;\r
-               dmin = 2000;\r
+               dmin = 2000; \r
                delta_time = 0;\r
                \r
                for (rtr = 0; rtr < 17; rtr++) {\r
@@ -600,7 +582,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                        };\r
 \r
                        nttmp = prng_successor(nt1, 100);                               //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
-                       for (i = 101; i < 1200; i++) {\r
+                       for (i = 141; i < 1200; i++) {\r
                                nttmp = prng_successor(nttmp, 1);\r
                                if (nttmp == nt2) break;\r
                        }\r
@@ -618,7 +600,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                        }\r
                }\r
                \r
-               if (rtr <= 1)   return;\r
+               if (rtr <= 1) return;\r
 \r
                davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
                \r
@@ -637,9 +619,18 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        //  get crypted nonces for target sector\r
        for(i=0; i < 2; i++) { // look for exactly two different nonces\r
 \r
+               WDT_HIT();      \r
+           if(BUTTON_PRESS()) {\r
+                       DbpString("Nested: cancelled");\r
+                       crypto1_destroy(pcs);\r
+                       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+                       LEDsoff();\r
+                       return;\r
+               }\r
+\r
                target_nt[i] = 0;\r
                while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
-               \r
+                \r
                        // prepare next select. No need to power down the card.\r
                        if(mifare_classic_halt(pcs, cuid)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Halt error");\r
@@ -659,19 +650,18 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 \r
                        // nested authentication\r
                        auth2_time = auth1_time + delta_time;\r
-                       len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par, &auth2_time);\r
+                       len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
                        if (len != 4) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);\r
                                continue;\r
                        };\r
                \r
                        nt2 = bytes_to_num(receivedAnswer, 4);          \r
-                       if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par);\r
+                       if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]);\r
                        \r
                        // Parity validity check\r
                        for (j = 0; j < 4; j++) {\r
-                               par_array[j] = (oddparity(receivedAnswer[j]) != ((par & 0x08) >> 3));\r
-                               par = par << 1;\r
+                               par_array[j] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01));\r
                        }\r
                        \r
                        ncount = 0;\r
@@ -700,16 +690,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                        if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r
                }\r
        }\r
-\r
+       \r
        LED_C_OFF();\r
        \r
        //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
-       // add trace trailer\r
-       memset(uid, 0x44, 4);\r
-       LogTrace(uid, 4, 0, 0, TRUE);\r
-\r
        byte_t buf[4 + 4 * 4];\r
        memcpy(buf, &cuid, 4);\r
        memcpy(buf+4, &target_nt[0], 4);\r
@@ -789,7 +775,6 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
     cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r
        LED_B_OFF();\r
 \r
-  // Thats it...\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 \r
@@ -819,11 +804,11 @@ void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
 }\r
 \r
 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
-       byte_t buf[48];\r
+       byte_t buf[USB_CMD_DATA_SIZE];\r
        emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
 \r
        LED_B_ON();\r
-       cmd_send(CMD_ACK,arg0,arg1,0,buf,48);\r
+       cmd_send(CMD_ACK,arg0,arg1,0,buf,USB_CMD_DATA_SIZE);\r
        LED_B_OFF();\r
 }\r
 \r
@@ -935,31 +920,26 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        \r
        // variables\r
        byte_t isOK = 0;\r
-       uint8_t uid[10];\r
-       uint8_t d_block[18];\r
+       uint8_t uid[10] = {0x00};\r
+       uint8_t d_block[18] = {0x00};\r
        uint32_t cuid;\r
        \r
-       memset(uid, 0x00, 10);\r
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
+       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
        \r
+       // reset FPGA and LED\r
        if (workFlags & 0x08) {\r
-               // clear trace\r
-               iso14a_clear_trace();\r
-               iso14a_set_tracing(TRUE);\r
-\r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
                LED_A_ON();\r
                LED_B_OFF();\r
                LED_C_OFF();\r
-       \r
-               SpinDelay(300);\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-               SpinDelay(100);\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r
+               \r
+               iso14a_clear_trace();\r
+               iso14a_set_tracing(TRUE);\r
+               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \r
        while (true) {\r
+\r
                // get UID from chip\r
                if (workFlags & 0x01) {\r
                        if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
@@ -975,14 +955,14 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        \r
                // reset chip\r
                if (needWipe){\r
-      ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");\r
                                break;\r
                        };\r
 \r
                        ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");\r
                                break;\r
                        };\r
@@ -995,20 +975,20 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 \r
                // write block\r
                if (workFlags & 0x02) {\r
-      ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");\r
                                break;\r
                        };\r
 \r
                        ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");\r
                                break;\r
                        };\r
                }\r
 \r
-               if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+               if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
                        if (MF_DBGLEVEL >= 1)   Dbprintf("write block send command error");\r
                        break;\r
                };\r
@@ -1017,7 +997,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
                AppendCrc14443a(d_block, 16);\r
        \r
                ReaderTransmit(d_block, sizeof(d_block), NULL);\r
-               if ((ReaderReceive(receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+               if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
                        if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");\r
                        break;\r
                };      \r
@@ -1038,7 +1018,6 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        LED_B_OFF();\r
 \r
        if ((workFlags & 0x10) || (!isOK)) {\r
-               // Thats it...\r
                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
                LEDsoff();\r
        }\r
@@ -1061,46 +1040,39 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        \r
        // variables\r
        byte_t isOK = 0;\r
-       uint8_t data[18];\r
+       uint8_t data[18] = {0x00};\r
        uint32_t cuid = 0;\r
        \r
-       memset(data, 0x00, 18);\r
-       uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
+       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
+       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
        \r
        if (workFlags & 0x08) {\r
-               // clear trace\r
-               iso14a_clear_trace();\r
-               iso14a_set_tracing(TRUE);\r
-\r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
                LED_A_ON();\r
                LED_B_OFF();\r
                LED_C_OFF();\r
-       \r
-               SpinDelay(300);\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-               SpinDelay(100);\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r
+\r
+               iso14a_clear_trace();\r
+               iso14a_set_tracing(TRUE);\r
+               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \r
        while (true) {\r
                if (workFlags & 0x02) {\r
                        ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wupC1 error");\r
                                break;\r
                        };\r
 \r
                        ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
-                       if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r
+                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");\r
                                break;\r
                        };\r
                }\r
 \r
                // read block\r
-               if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, NULL) != 18)) {\r
+               if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
                        if (MF_DBGLEVEL >= 1)   Dbprintf("read block send command error");\r
                        break;\r
                };\r
@@ -1122,9 +1094,95 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        LED_B_OFF();\r
 \r
        if ((workFlags & 0x10) || (!isOK)) {\r
-               // Thats it...\r
                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
                LEDsoff();\r
        }\r
 }\r
 \r
+void MifareCIdent(){\r
+  \r
+       // card commands\r
+       uint8_t wupC1[]       = { 0x40 }; \r
+       uint8_t wupC2[]       = { 0x43 }; \r
+       \r
+       // variables\r
+       byte_t isOK = 1;\r
+       \r
+       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
+       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+\r
+       ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+               isOK = 0;\r
+       };\r
+\r
+       ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+               isOK = 0;\r
+       };\r
+\r
+       if (mifare_classic_halt(NULL, 0)) {\r
+               isOK = 0;\r
+       };\r
+\r
+       cmd_send(CMD_ACK,isOK,0,0,0,0);\r
+}\r
+\r
+//\r
+// DESFIRE\r
+//\r
+\r
+void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
+\r
+       byte_t dataout[11] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
+       uint32_t cuid;\r
+    \r
+       iso14a_clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+       int len = iso14443a_select_card(uid, NULL, &cuid);\r
+       if(!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        \r
+                       Dbprintf("Can't select card");\r
+               OnError(1);\r
+               return;\r
+       };\r
+\r
+       if(mifare_desfire_des_auth1(cuid, dataout)){\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        \r
+                       Dbprintf("Authentication part1: Fail.");\r
+               OnError(4);\r
+               return;\r
+       }\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
+    \r
+    cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
+}\r
+\r
+void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
+\r
+       uint32_t cuid = arg0;\r
+       uint8_t key[16] = {0x00};\r
+       byte_t isOK = 0;\r
+       byte_t dataout[12] = {0x00};\r
+    \r
+       memcpy(key, datain, 16);\r
+       \r
+       isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
+       \r
+       if( isOK) {\r
+           if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
+                       Dbprintf("Authentication part2: Failed");  \r
+               OnError(4);\r
+               return;\r
+       }\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
+               DbpString("AUTH 2 FINISHED");\r
+\r
+       cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+}
\ No newline at end of file
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