FIX: ELOAD/ESAVE/CLOAD/CSAVE filename bufferoverflow, and filename generation if...

[proxmark3-svn] / armsrc / mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index a240bed4fa85efe222f8b0e08f23c9d9e6083163..47c7fc127a4358b5f3c8df43c98e22b466570199 100644 (file)
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -16,8 +16,7 @@
 #include "mifarecmd.h"\r
 #include "apps.h"\r
 #include "util.h"\r
 #include "mifarecmd.h"\r
 #include "apps.h"\r
 #include "util.h"\r

-//#include "../client/loclass/des.h"\r
-#include "des.h"\r
+\r

 #include "crc.h"\r
 \r
 //-----------------------------------------------------------------------------\r
 #include "crc.h"\r
 \r
 //-----------------------------------------------------------------------------\r


@@ -87,165 +86,94 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
        LEDsoff();\r
 }\r
 \r

+void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){\r

 \r
 \r

-void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){\r
-\r
-       byte_t dataoutbuf[16] = {0x00};\r
-       uint8_t uid[10] = {0x00};\r
-       uint32_t cuid = 0x00;\r
+       bool turnOffField = (arg0 == 1);\r

 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

-    \r

        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+       if(!iso14443a_select_card(NULL, NULL, NULL)) {\r

                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
        };\r
        \r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
        };\r
        \r

-       if(mifare_ultra_auth1(dataoutbuf)){\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");\r
+       if(!mifare_ultra_auth(keybytes)){\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r

                OnError(1);\r
                return;\r
        }\r
 \r
                OnError(1);\r
                return;\r
        }\r
 \r

-       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\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
-       uint8_t key[16] = {0x00};\r
-       byte_t dataoutbuf[16] = {0x00};\r
-    \r
-       memcpy(key, datain, 16);\r
-    \r
-       LED_A_ON();     LED_B_OFF(); LED_C_OFF();\r
-       \r
-       if(mifare_ultra_auth2(key, dataoutbuf)){\r
-           if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");\r
-               OnError(1);\r
-               return;                 \r
+       if (turnOffField) {\r
+               FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+               LEDsoff();\r

        }\r
        }\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
+       cmd_send(CMD_ACK,1,0,0,0,0);\r

 }\r
 \r
 }\r
 \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
        uint8_t blockNo = arg0;\r
        byte_t dataout[16] = {0x00};\r
 void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t dataout[16] = {0x00};\r

-       uint8_t uid[10] = {0x00};\r
-       uint8_t key[16] = {0x00};\r
-    bool usePwd = (arg1 == 1);\r
-       \r
-       LED_A_ON();     LED_B_OFF(); LED_C_OFF();\r
-    \r
+       bool useKey = (arg1 == 1); //UL_C\r
+       bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
+\r
+       LEDsoff();\r
+       LED_A_ON();\r

        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r

-    \r
-       int len = iso14443a_select_card(uid, NULL, NULL);\r
+\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:%02X)",len);\r
                OnError(1);\r
                return;\r
        }\r
        if(!len) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);\r
                OnError(1);\r
                return;\r
        }\r

-       \r
-        // authenticate here.\r
-       if ( usePwd ) {\r
-               \r
-               memcpy(key, datain, 16);\r
-                \r
-               // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );\r
-               // Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );\r
-\r
-               uint8_t a[8] = {1,1,1,1,1,1,1,1 };\r
-               uint8_t b[8] = {0x00};\r
-               uint8_t enc_b[8] = {0x00};\r
-               uint8_t ab[16] = {0x00};\r
-               uint8_t enc_ab[16] = {0x00};            \r
-               uint8_t enc_key[8] = {0x00};\r
-               \r
-               uint16_t len;\r
-               uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
-               uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
-       \r
-               len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
-               if (len != 11) {\r
-                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
+\r
+       // UL-C authentication\r
+       if ( useKey ) {\r
+               uint8_t key[16] = {0x00};\r
+               memcpy(key, datain, sizeof(key) );\r
+\r
+               if ( !mifare_ultra_auth(key) ) {\r

                        OnError(1);\r
                        return;\r
                }\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

 \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
+       // UL-EV1 / NTAG authentication\r
+       if ( usePwd ) {\r
+               uint8_t pwd[4] = {0x00};\r
+               memcpy(pwd, datain, 4);\r
+               uint8_t pack[4] = {0,0,0,0};\r
+               if (!mifare_ul_ev1_auth(pwd, pack)) {\r

                        OnError(1);\r
                        return;\r
                }\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
+       }       \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
        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
+\r

        if( mifare_ultra_halt() ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
                OnError(3);\r
                return;\r
        }\r
        if( mifare_ultra_halt() ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");\r
                OnError(3);\r
                return;\r
        }\r

-               \r
+\r

     cmd_send(CMD_ACK,1,0,0,dataout,16);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\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
 //-----------------------------------------------------------------------------\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


@@ -281,7 +209,7 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                isOK = 0;\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
        }\r
                isOK = 0;\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
        }\r

-\r
+       \r

        \r
        if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
                isOK = 0;\r
        \r
        if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {\r
                isOK = 0;\r


@@ -314,60 +242,101 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
        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
 {\r

+       // free eventually allocated BigBuf memory\r
+       BigBuf_free();\r
+       clear_trace();\r
+\r

        // params\r
        // params\r

-       uint8_t sectorNo = arg0;\r
-       int Pages = arg1;\r
-       int countpages = 0;\r
-       byte_t dataout[176] = {0x00};;\r
-       uint32_t cuid = 0x00;\r
+       uint8_t blockNo = arg0;\r
+       uint16_t blocks = arg1;\r
+       bool useKey = (arg2 == 1); //UL_C\r
+       bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
+       uint32_t countblocks = 0;\r
+       uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
+       if (dataout == NULL){\r
+               Dbprintf("out of memory");\r
+               OnError(1);\r
+               return;\r
+       }\r

 \r
 \r

-       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
-       clear_trace();\r
+       LEDsoff();\r
+       LED_A_ON();\r

        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       int len = iso14443a_select_card(NULL, NULL, &cuid);\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
        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
-       \r
-               len = mifare_ultra_readblock(sectorNo * 4 + i, dataout + 4 * i);\r
+\r
+       // UL-C authentication\r
+       if ( useKey ) {\r
+               uint8_t key[16] = {0x00};\r
+               memcpy(key, datain, sizeof(key) );\r
+\r
+               if ( !mifare_ultra_auth(key) ) {\r
+                       OnError(1);\r
+                       return;\r
+               }\r
+       }\r
+\r
+       // UL-EV1 / NTAG authentication\r
+       if (usePwd) {\r
+               uint8_t pwd[4] = {0x00};\r
+               memcpy(pwd, datain, sizeof(pwd));\r
+               uint8_t pack[4] = {0,0,0,0};\r
+\r
+               if (!mifare_ul_ev1_auth(pwd, pack)){\r
+                       OnError(1);\r
+                       return;                 \r
+               }\r
+       }\r
+\r
+       for (int i = 0; i < blocks; i++){\r
+               if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
+                       Dbprintf("Data exceeds buffer!!");\r
+                       break;\r
+               }\r
+\r
+               len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r

                \r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
                \r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r

-                       OnError(2);\r
+                       // if no blocks read - error out\r
+                       if (i==0){\r
+                               OnError(2);\r

                        return;\r
                        return;\r

+                       } else {\r
+                               //stop at last successful read block and return what we got\r
+                               break;\r
+                       }\r

                } else {\r
                } else {\r

-                       countpages++;\r
+                       countblocks++;\r

                }\r
        }\r
                }\r
        }\r

-               \r
+\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
        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) Dbprintf("Pages read %d", countpages);\r
-\r
-       len = 16*4; //64 bytes\r

 \r
 \r

-       // Read a UL-C\r
-       if (Pages == 44 && countpages > 16) \r
-               len = 176;\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r

 \r
 \r

-       cmd_send(CMD_ACK, 1, 0, 0, dataout, len);       \r
+       countblocks *= 4;\r
+       cmd_send(CMD_ACK, 1, countblocks, countblocks, 0, 0);\r

        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
 \r

-\r

 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Write a MIFARE tag. \r
 // read block\r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Write a MIFARE tag. \r
 // read block\r


@@ -442,15 +411,15 @@ 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
 \r
 void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
 {\r

-    uint8_t blockNo = arg0;\r
+       uint8_t blockNo = arg0;\r

        byte_t blockdata[16] = {0x00};\r
 \r
        byte_t blockdata[16] = {0x00};\r
 \r

-    memcpy(blockdata, datain, 16);\r
-        \r
+       memcpy(blockdata, datain, 16);\r
+\r

        uint8_t uid[10] = {0x00};\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
        uint8_t uid[10] = {0x00};\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r

-               \r
+\r

        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r


@@ -470,7 +439,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
                OnError(0);\r
                return;\r
        };\r
                OnError(0);\r
                return;\r
        };\r

-               \r
+\r

        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
        cmd_send(CMD_ACK,1,0,0,0,0);\r
        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
        cmd_send(CMD_ACK,1,0,0,0,0);\r


@@ -478,25 +447,54 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
        LEDsoff();\r
 }\r
 \r

-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r
+// Arg0   : Block to write to.\r
+// Arg1   : 0 = use no authentication.\r
+//          1 = use 0x1A authentication.\r
+//          2 = use 0x1B authentication.\r
+// datain : 4 first bytes is data to be written.\r
+//        : 4/16 next bytes is authentication key.\r
+void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r

 {\r
        uint8_t blockNo = arg0;\r
 {\r
        uint8_t blockNo = arg0;\r

+       bool useKey = (arg1 == 1); //UL_C\r
+       bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r

        byte_t blockdata[4] = {0x00};\r
        byte_t blockdata[4] = {0x00};\r

-       \r
-       memcpy(blockdata, datain,4);\r

 \r
 \r

-       uint8_t uid[10] = {0x00};\r
+       memcpy(blockdata, datain,4);\r

        \r
        \r

-       LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
+       LEDsoff();\r
+       LED_A_ON();\r

        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r

-       if(!iso14443a_select_card(uid, NULL, NULL)) {\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
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
                return;\r
        };\r
 \r

+       // UL-C authentication\r
+       if ( useKey ) {\r
+               uint8_t key[16] = {0x00};       \r
+               memcpy(key, datain+4, sizeof(key) );\r
+\r
+               if ( !mifare_ultra_auth(key) ) {\r
+                       OnError(1);\r
+                       return;                 \r
+               }\r
+       }\r
+       \r
+       // UL-EV1 / NTAG authentication\r
+       if (usePwd) { \r
+               uint8_t pwd[4] = {0x00};\r
+               memcpy(pwd, datain+4, 4);\r
+               uint8_t pack[4] = {0,0,0,0};\r
+               if (!mifare_ul_ev1_auth(pwd, pack)) {\r
+                       OnError(1);\r
+                       return;                 \r
+               }\r
+       }\r
+       \r

        if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(0);\r
        if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(0);\r


@@ -1218,7 +1216,74 @@ void MifareCIdent(){
        cmd_send(CMD_ACK,isOK,0,0,0,0);\r
 }\r
 \r
        cmd_send(CMD_ACK,isOK,0,0,0,0);\r
 }\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
 // DESFIRE\r
 //\r
 \r


@@ -1270,4 +1335,4 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
        cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
        cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r

-}\r
+}
\ No newline at end of file