]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifarecmd.c
minor textual changes
[proxmark3-svn] / armsrc / mifarecmd.c
index 0d1fb77a37ef125a5a8b681ec5a22973ea96e06c..6bb04caf26f13f9b649aa5d63575356d8fbd2b1a 100644 (file)
 #include "mifarecmd.h"\r
 #include "apps.h"\r
 #include "util.h"\r
-#include "desfire.h"\r
-#include "../common/crc.h"\r
+//#include "../client/loclass/des.h"\r
+#include "des.h"\r
+#include "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
@@ -41,7 +42,7 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        pcs = &mpcs;\r
 \r
        // clear trace\r
-       iso14a_clear_trace();\r
+       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        LED_A_ON();\r
@@ -76,7 +77,7 @@ 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
@@ -88,115 +89,182 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 \r
 \r
 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
-       uint32_t cuid;\r
+\r
+       byte_t dataoutbuf[16] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
+       uint32_t cuid = 0x00;\r
+\r
+       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
     \r
-       // clear trace\r
-       iso14a_clear_trace();\r
+       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
 \r
        if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
-          if (MF_DBGLEVEL >= 1)        Dbprintf("Can't select card, something went wrong before auth");\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
+               OnError(0);\r
+               return;\r
        };\r
        \r
-       if(mifare_ultra_auth1(cuid, dataoutbuf)){\r
-         if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part1: Fail.");    \r
+       if(mifare_ultra_auth1(dataoutbuf)){\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+               OnError(1);\r
+               return;\r
        }\r
 \r
-       isOK=1;\r
-       if (MF_DBGLEVEL >= 2)   DbpString("AUTH 1 FINISHED");\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
     \r
-       LED_B_ON();\r
-    cmd_send(CMD_ACK,isOK,cuid,0,dataoutbuf,11);\r
-       LED_B_OFF();\r
-         \r
-       // Thats it...\r
+    cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);\r
        LEDsoff();\r
 }\r
 void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){\r
-       // params\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
-       byte_t isOK = 0;\r
-       byte_t dataoutbuf[16];\r
+\r
+       uint8_t key[16] = {0x00};\r
+       byte_t dataoutbuf[16] = {0x00};\r
     \r
        memcpy(key, datain, 16);\r
     \r
-       LED_A_ON();\r
-       LED_B_OFF();\r
-       LED_C_OFF();\r
+       LED_A_ON();     LED_B_OFF(); LED_C_OFF();\r
        \r
-       if(mifare_ultra_auth2(cuid, key, dataoutbuf)){\r
-           if (MF_DBGLEVEL >= 1) Dbprintf("Authentication part2: Fail...");    \r
+       if(mifare_ultra_auth2(key, dataoutbuf)){\r
+           if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");\r
+               OnError(1);\r
+               return;                 \r
        }\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
-       LED_B_OFF();\r
+       \r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
     \r
+       cmd_send(CMD_ACK,1,0,0,dataoutbuf,11);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
 \r
-void MifareUReadBlock(uint8_t arg0,uint8_t *datain)\r
+// Arg0 = BlockNo,\r
+// Arg1 = UsePwd bool\r
+// datain = PWD bytes,  \r
+void MifareUReadBlock(uint8_t arg0, uint8_t arg1, 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
-       uint32_t cuid;\r
-    \r
-       // clear trace\r
-       iso14a_clear_trace();\r
+       byte_t dataout[16] = {0x00};\r
+       uint8_t uid[10] = {0x00};\r
+    bool usePwd = (arg1 == 1);\r
+\r
+       LEDsoff();      \r
+       LED_A_ON();    \r
+       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
-       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
+       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
+               uint8_t key[16] = {0x00};       \r
+               memcpy(key, datain, 16);\r
+                \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
+               \r
+               uint16_t len;\r
+               uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+               uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\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_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_random_b,receivedAnswer+1,8);\r
+\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],\r
+                               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],\r
+                               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],\r
+                                       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],\r
+                                       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
+\r
+               \r
+               len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_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
+               uint8_t enc_resp[8] = { 0 };\r
+               uint8_t resp_random_a[8] = { 0 };\r
+               memcpy(enc_resp, receivedAnswer+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
+                       Dbprintf("failed authentication");\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
+       }\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
 //-----------------------------------------------------------------------------\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
@@ -219,7 +287,7 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        pcs = &mpcs;\r
 \r
        // clear trace\r
-       iso14a_clear_trace();\r
+       clear_trace();\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -265,63 +333,109 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
-void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)\r
+// arg0 = blockNo (start)\r
+// arg1 = Pages (number of blocks)\r
+// arg2 = useKey\r
+// datain = KEY bytes\r
+void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, 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 blockNo = arg0;\r
+       uint16_t blocks = arg1;\r
+       bool useKey = (arg2 == 1);\r
+       int countpages = 0;\r
+       uint8_t dataout[176] = {0x00};;\r
 \r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       LEDsoff();\r
+       LED_A_ON(); \r
+       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(NULL, NULL, NULL);\r
+       if (!len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len);\r
+               OnError(1);\r
+               return;\r
+       }\r
+       \r
+       // authenticate\r
+       if ( useKey ) {\r
+               \r
+               uint8_t key[16] = {0x00};       \r
+               memcpy(key, datain, 16);\r
+                \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
+               \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_random_b,receivedAnswer+1,8);\r
+\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
+               // encrypt    out, in, length, key, iv\r
+               tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
 \r
-}\r
+               len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);\r
+               if (len != 11) {\r
+                       OnError(1);\r
+                       return;\r
+               }\r
+\r
+               uint8_t enc_resp[8] = { 0 };\r
+               uint8_t resp_random_a[8] = { 0 };\r
+               memcpy(enc_resp, receivedAnswer+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
+                       Dbprintf("failed authentication");\r
+       }\r
+       \r
+       for (int i = 0; i < blocks; i++){\r
+       \r
+               len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);\r
+               \r
+               if (len) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
+                       OnError(2);\r
+                       return;\r
+               } else {\r
+                       countpages++;\r
+               }\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
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("blocks read %d", countpages);\r
+\r
+       len = blocks*4;\r
 \r
+       cmd_send(CMD_ACK, 1, len, 0, dataout, len);     \r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+}\r
 \r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Write a MIFARE tag. \r
@@ -347,7 +461,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        pcs = &mpcs;\r
 \r
        // clear trace\r
-       iso14a_clear_trace();\r
+       clear_trace();\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -397,115 +511,150 @@ 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
+    uint8_t blockNo = arg0;\r
+       byte_t blockdata[16] = {0x00};\r
 \r
-        memset(blockdata,'\0',16);\r
-        memcpy(blockdata, datain,16);\r
+    memcpy(blockdata, datain, 16);\r
         \r
-        // variables\r
-        byte_t isOK = 0;\r
-        uint8_t uid[10];\r
-        uint32_t cuid;\r
+       uint8_t uid[10] = {0x00};\r
 \r
-        // clear trace\r
-        iso14a_clear_trace();\r
-\r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+               \r
+       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
-        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
+       if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+               if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
+               OnError(0);\r
+               return;\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(blockNo, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
+               OnError(0);\r
+               return; };\r
 \r
+       if(mifare_ultra_halt()) {\r
+               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
+               OnError(0);\r
+               return;\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,1,0,0,0,0);\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
+       uint8_t uid[10] = {0x00};\r
        \r
        memcpy(blockdata, datain,4);\r
+       \r
+       LEDsoff();\r
+       LED_A_ON();\r
+       clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-       // variables\r
-       byte_t isOK = 0;\r
-       uint8_t uid[10];\r
-       uint32_t cuid;\r
+       if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
+               OnError(0);\r
+               return;\r
+       };\r
 \r
-       // clear trace\r
-       iso14a_clear_trace();\r
+       if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(0);\r
+               return;\r
+       };\r
 \r
-       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       if(mifare_ultra_halt()) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
+               OnError(0);\r
+               return;\r
+       };\r
 \r
-       LED_A_ON();\r
-       LED_B_OFF();\r
-       LED_C_OFF();\r
+       if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\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
+       cmd_send(CMD_ACK,1,0,0,0,0);\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+}\r
 \r
-               if(mifare_ultra_special_writeblock(cuid, blockNo, blockdata)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
-                       break;\r
-               };\r
+void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
+       \r
+       uint8_t pwd[16] = {0x00};\r
+       byte_t blockdata[4] = {0x00};\r
+       \r
+       memcpy(pwd, datain, 16);\r
+       \r
+       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+       clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-               if(mifare_ultra_halt(cuid)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                       break;\r
-               };\r
+       if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
+               OnError(0);\r
+               return;\r
+       };\r
 \r
-               isOK = 1;\r
-               break;\r
-       }\r
+       blockdata[0] = pwd[7];\r
+       blockdata[1] = pwd[6];\r
+       blockdata[2] = pwd[5];\r
+       blockdata[3] = pwd[4];\r
+       if(mifare_ultra_special_writeblock( 44, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(44);\r
+               return;\r
+       };\r
 \r
-       if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
+       blockdata[0] = pwd[3];\r
+       blockdata[1] = pwd[2];\r
+       blockdata[2] = pwd[1];\r
+       blockdata[3] = pwd[0];\r
+       if(mifare_ultra_special_writeblock( 45, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(45);\r
+               return;\r
+       };\r
 \r
-       LED_B_ON();\r
-       cmd_send(CMD_ACK,isOK,0,0,0,0);\r
-       LED_B_OFF();\r
+       blockdata[0] = pwd[15];\r
+       blockdata[1] = pwd[14];\r
+       blockdata[2] = pwd[13];\r
+       blockdata[3] = pwd[12];\r
+       if(mifare_ultra_special_writeblock( 46, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(46);\r
+               return;\r
+       };\r
 \r
-       // Thats it...\r
+       blockdata[0] = pwd[11];\r
+       blockdata[1] = pwd[10];\r
+       blockdata[2] = pwd[9];\r
+       blockdata[3] = pwd[8];\r
+       if(mifare_ultra_special_writeblock( 47, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(47);\r
+               return;\r
+       };      \r
+\r
+       if(mifare_ultra_halt()) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
+               OnError(0);\r
+               return;\r
+       };\r
+\r
+       cmd_send(CMD_ACK,1,0,0,0,0);\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
@@ -532,7 +681,8 @@ 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
@@ -540,14 +690,16 @@ 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[MAX_MIFARE_FRAME_SIZE];\r
 \r
        uint32_t auth1_time, auth2_time;\r
        static uint16_t delta_time;\r
 \r
+       // free eventually allocated BigBuf memory\r
+       BigBuf_free();\r
        // clear trace\r
-       iso14a_clear_trace();\r
-       iso14a_set_tracing(false);\r
+       clear_trace();\r
+       set_tracing(false);\r
        \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -597,10 +749,10 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                                continue;\r
                        };\r
 \r
-                       nttmp = prng_successor(nt1, 140);                               //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r
-                       for (i = 141; i < 1200; i++) {\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
                                nttmp = prng_successor(nttmp, 1);\r
-                               if (nttmp == nt2) {break;}\r
+                               if (nttmp == nt2) break;\r
                        }\r
 \r
                        if (i != 1200) {\r
@@ -616,7 +768,7 @@ 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
@@ -635,18 +787,9 @@ 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
@@ -666,19 +809,18 @@ 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
@@ -707,16 +849,12 @@ 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
@@ -732,7 +870,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
-       iso14a_set_tracing(TRUE);\r
+       set_tracing(TRUE);\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
@@ -761,8 +899,8 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        MF_DBGLEVEL = MF_DBG_NONE;\r
        \r
        // clear trace\r
-       iso14a_clear_trace();\r
-       iso14a_set_tracing(TRUE);\r
+       clear_trace();\r
+       set_tracing(TRUE);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -796,7 +934,6 @@ 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
@@ -826,11 +963,11 @@ 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
@@ -853,8 +990,8 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        uint8_t uid[10];\r
 \r
        // clear trace\r
-       iso14a_clear_trace();\r
-       iso14a_set_tracing(false);\r
+       clear_trace();\r
+       set_tracing(false);\r
        \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
@@ -942,54 +1079,49 @@ 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
-       \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
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
 \r
+       // reset FPGA and LED\r
+       if (workFlags & 0x08) {\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
+               clear_trace();\r
+               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
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
-                               break;\r
+                               //break;\r
                        };\r
 \r
                        if(mifare_classic_halt(NULL, cuid)) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
+                               //break;\r
                        };\r
                };\r
        \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
@@ -1002,20 +1134,20 @@ 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
@@ -1024,7 +1156,7 @@ 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
@@ -1045,7 +1177,6 @@ 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
@@ -1068,46 +1199,39 @@ 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[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_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
+               clear_trace();\r
+               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
@@ -1129,9 +1253,157 @@ 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[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_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
+void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
+\r
+       BigBuf_free();\r
+\r
+       uint32_t iterations = arg0;\r
+       uint8_t uid[10] = {0x00};\r
+\r
+       uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE);\r
+       uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE);\r
+\r
+       uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b };\r
+       \r
+       // get memory from BigBuf.\r
+       uint8_t *nonces = BigBuf_malloc(iterations * 4);\r
+\r
+       LED_A_ON();\r
+       LED_B_OFF();\r
+       LED_C_OFF();\r
+\r
+       clear_trace();\r
+       set_tracing(TRUE);\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       \r
+       for (int i = 0; i < iterations; i++) {\r
+                                               \r
+               WDT_HIT();\r
+\r
+               // Test if the action was cancelled\r
+               if(BUTTON_PRESS()) break;\r
+               \r
+               //              if(mifare_classic_halt(pcs, cuid)) {\r
+               //                      if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r
+               //}\r
+\r
+               if(!iso14443a_select_card(uid, NULL, NULL)) {\r
+                       if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
+                       continue;\r
+               };\r
+\r
+               // Transmit MIFARE_CLASSIC_AUTH.\r
+               ReaderTransmit(mf_auth, sizeof(mf_auth), NULL);\r
+\r
+               // Receive the (4 Byte) "random" nonce\r
+               if (!ReaderReceive(response, responsePar)) {\r
+                       if (MF_DBGLEVEL >= 1)   Dbprintf("Couldn't receive tag nonce");\r
+                       continue;\r
+               }       \r
+               \r
+               nonces[i*4] = bytes_to_num(response, 4);\r
+       }\r
+               \r
+       int packLen =  iterations * 4;\r
+       int packSize = 0;\r
+       int packNum = 0;\r
+       while (packLen > 0) {\r
+               packSize = MIN(USB_CMD_DATA_SIZE, packLen);\r
+               LED_B_ON();\r
+               cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize);\r
+               LED_B_OFF();\r
+\r
+               packLen -= packSize;\r
+               packNum++;\r
+       }\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\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 = 0x00;\r
+    \r
+       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) 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) Dbprintf("Authentication part1: Fail.");\r
+               OnError(4);\r
+               return;\r
+       }\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\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 dataout[12] = {0x00};\r
+       byte_t isOK = 0;\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) Dbprintf("Authentication part2: Failed");  \r
+               OnError(4);\r
+               return;\r
+       }\r
+\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) 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
+}\r
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