]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifarecmd.c
FIX: fixed a bug in "hf mf csetblock" where it didn't used the "w" wipe parameter...
[proxmark3-svn] / armsrc / mifarecmd.c
index d2497977df350e48940fb6de07ec1b823cebe19b..a240bed4fa85efe222f8b0e08f23c9d9e6083163 100644 (file)
@@ -16,8 +16,9 @@
 #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, Authenticate, Read a MIFARE tag. \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
@@ -88,112 +89,163 @@ 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
+\r
        byte_t dataoutbuf[16] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\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
-         \r
+    cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);\r
        LEDsoff();\r
 }\r
 void MifareUC_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 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
+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] = {0x00};\r
+       byte_t dataout[16] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\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
-       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
-       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
+               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
-       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_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
 //-----------------------------------------------------------------------------\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
@@ -216,7 +268,7 @@ 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
@@ -267,59 +319,50 @@ void MifareUReadCard(uint8_t arg0, int arg1, uint8_t *datain)
        // params\r
        uint8_t sectorNo = arg0;\r
        int Pages = arg1;\r
-       int count_Pages = 0;\r
-       byte_t dataoutbuf[176] = {0x00};;\r
-       uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\r
+       int countpages = 0;\r
+       byte_t dataout[176] = {0x00};;\r
+       uint32_t cuid = 0x00;\r
 \r
-       iso14a_clear_trace();\r
+       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\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
-       if (MF_DBGLEVEL >= MF_DBG_ALL) \r
-               Dbprintf("Pages %d",Pages);\r
-       \r
-       if (!iso14443a_select_card(uid, NULL, &cuid)) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
-                       Dbprintf("Can't select card");\r
-               OnError();\r
+       int len = iso14443a_select_card(NULL, NULL, &cuid);\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
        for (int i = 0; i < Pages; i++){\r
-               if (mifare_ultra_readblock(cuid, sectorNo * 4 + i, dataoutbuf + 4 * i)) {\r
-                       if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
-                               Dbprintf("Read block %d error",i);\r
-                       OnError();\r
+       \r
+               len = mifare_ultra_readblock(sectorNo * 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
-                       count_Pages++;\r
+                       countpages++;\r
                }\r
        }\r
                \r
-       if (mifare_ultra_halt(cuid)) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
-                       Dbprintf("Halt error");\r
-               OnError();\r
+       len = mifare_ultra_halt();\r
+       if (len) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) 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
-               DbpString("Read card finished");\r
-       }\r
+       if (MF_DBGLEVEL >= MF_DBG_ALL) Dbprintf("Pages read %d", countpages);\r
+\r
+       len = 16*4; //64 bytes\r
 \r
-       int len = 16*4; //64 bytes\r
-       \r
        // Read a UL-C\r
-       if (Pages == 44 && count_Pages > 16) \r
+       if (Pages == 44 && countpages > 16) \r
                len = 176;\r
 \r
-       cmd_send(CMD_ACK, 1, 0, 0, dataoutbuf, len);\r
-       \r
+       cmd_send(CMD_ACK, 1, 0, 0, dataout, len);       \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
@@ -349,7 +392,7 @@ 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
@@ -399,100 +442,150 @@ 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
+    uint8_t blockNo = arg0;\r
        byte_t blockdata[16] = {0x00};\r
 \r
-       memcpy(blockdata, datain, 16);\r
-       \r
-       // variables\r
-       byte_t isOK = 0;\r
+    memcpy(blockdata, datain, 16);\r
+        \r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\r
 \r
-       iso14a_clear_trace();\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
+       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
-               if(mifare_ultra_writeblock(cuid, blockNo, blockdata)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
-                               break;\r
-               };\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(cuid)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
-               };\r
+       if(mifare_ultra_halt()) {\r
+               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
+               OnError(0);\r
+               return;\r
+       };\r
                \r
-               isOK = 1;\r
-               break;\r
-       }\r
-        \r
        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
-       cmd_send(CMD_ACK,isOK,0,0,0,0);\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] = {0x00};\r
        \r
        memcpy(blockdata, datain,4);\r
 \r
-       // variables\r
-       byte_t isOK = 0;\r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\r
+       \r
+       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+       clear_trace();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
-       iso14a_clear_trace();\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
+       if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
+               if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
+               OnError(0);\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
+       if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r
+\r
+       cmd_send(CMD_ACK,1,0,0,0,0);\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+}\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
-       LED_A_ON();\r
-       LED_B_OFF();\r
-       LED_C_OFF();\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
-       while (true) {\r
-               if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\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(mifare_ultra_special_writeblock(cuid, blockNo, blockdata)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
-                       break;\r
-               };\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
-               if(mifare_ultra_halt(cuid)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                       break;\r
-               };\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
-               isOK = 1;\r
-               break;\r
-       }\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 (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\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,isOK,0,0,0,0);\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, uint8_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
@@ -528,14 +621,16 @@ 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 =  get_bigbufptr_recvrespbuf();\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
@@ -549,7 +644,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                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
@@ -586,7 +681,7 @@ 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 = 141; i < 1200; i++) {\r
+                       for (i = 101; i < 1200; i++) {\r
                                nttmp = prng_successor(nttmp, 1);\r
                                if (nttmp == nt2) break;\r
                        }\r
@@ -604,7 +699,7 @@ 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
@@ -623,18 +718,9 @@ 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
@@ -694,7 +780,7 @@ 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
@@ -715,7 +801,7 @@ 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
@@ -744,8 +830,8 @@ 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
@@ -835,8 +921,8 @@ 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
@@ -928,17 +1014,17 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        uint8_t d_block[18] = {0x00};\r
        uint32_t cuid;\r
        \r
-       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
-       \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
-               iso14a_clear_trace();\r
-               iso14a_set_tracing(TRUE);\r
+       \r
+               clear_trace();\r
+               set_tracing(TRUE);\r
                iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \r
@@ -948,12 +1034,12 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
                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
@@ -1047,16 +1133,16 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        uint8_t data[18] = {0x00};\r
        uint32_t cuid = 0;\r
        \r
-       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
+       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
        if (workFlags & 0x08) {\r
                LED_A_ON();\r
                LED_B_OFF();\r
                LED_C_OFF();\r
-\r
-               iso14a_clear_trace();\r
-               iso14a_set_tracing(TRUE);\r
+       \r
+               clear_trace();\r
+               set_tracing(TRUE);\r
                iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \r
@@ -1112,8 +1198,8 @@ void MifareCIdent(){
        // variables\r
        byte_t isOK = 1;\r
        \r
-       uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
-       uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\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
@@ -1137,56 +1223,51 @@ void MifareCIdent(){
 //\r
 \r
 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
-       // variables\r
-       byte_t isOK = 0;\r
+\r
        byte_t dataout[11] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\r
+       uint32_t cuid = 0x00;\r
     \r
-       iso14a_clear_trace();\r
+       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\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
+       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 >= 1) \r
-               Dbprintf("Authentication part1: Fail."); \r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+               OnError(4);\r
+               return;\r
        }\r
 \r
-       isOK = 1;\r
-       if (MF_DBGLEVEL >= 2) DbpString("AUTH 1 FINISHED");\r
-    \r
-    cmd_send(CMD_ACK,isOK,cuid,0,dataout, sizeof(dataout));\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 isOK = 0;\r
        byte_t dataout[12] = {0x00};\r
+       byte_t isOK = 0;\r
     \r
        memcpy(key, datain, 16);\r
-   \r
-       LED_A_ON();\r
-       LED_B_OFF();\r
-       LED_C_OFF();\r
        \r
        isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
        \r
-       if(isOK){\r
-               if (MF_DBGLEVEL >= 2) \r
-                       DbpString("AUTH 2 FINISHED");\r
-               cmd_send(CMD_ACK,isOK,0,0,dataout,sizeof(dataout));\r
-       }\r
-       else {\r
-           if (MF_DBGLEVEL >= 2) \r
-                       Dbprintf("Authentication part2: Failed");  \r
-               OnError();\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
-}
\ No newline at end of file
+}\r
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