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added @marshmellows new viking demod.
[proxmark3-svn] / armsrc / mifarecmd.c
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 2a21ac4869b0b1a348c7b89534ab6a73f2c64228..ba3034bf23bb333761339343d6ffa55155643078 100644 (file)
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -17,11 +17,7 @@
 #include "apps.h"\r
 #include "util.h"\r
 #include "crc.h"\r
 #include "apps.h"\r
 #include "util.h"\r
 #include "crc.h"\r
-\r
-// the block number for the ISO14443-4 PCB\r
-uint8_t pcb_blocknum = 0;\r
-// Deselect card by sending a s-block. the crc is precalced for speed\r
-static  uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r
+#include "protocols.h"\r
 \r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Read a MIFARE tag. \r
 \r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Read a MIFARE tag. \r
@@ -44,10 +40,10 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
-       // clear trace\r
-       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
@@ -95,9 +91,11 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
        bool turnOffField = (arg0 == 1);\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
        bool turnOffField = (arg0 == 1);\r
 \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\r
-       clear_trace();\r
+\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");\r
                OnError(0);\r
@@ -129,9 +127,10 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 \r
        LEDsoff();\r
        LED_A_ON();\r
 \r
        LEDsoff();\r
        LED_A_ON();\r
-       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\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
        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
@@ -173,7 +172,7 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
                return;\r
        }\r
 \r
                return;\r
        }\r
 \r
-       cmd_send(CMD_ACK,1,0,0,dataout,16);\r
+    cmd_send(CMD_ACK,1,0,0,dataout,16);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
@@ -199,11 +198,10 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
-       // clear trace\r
-       clear_trace();\r
-\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
@@ -213,7 +211,7 @@ 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
@@ -252,9 +250,12 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 // datain = KEY bytes\r
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r
 // datain = KEY bytes\r
 void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r
+       LEDsoff();\r
+       LED_A_ON();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
        // free eventually allocated BigBuf memory\r
        BigBuf_free();\r
        // free eventually allocated BigBuf memory\r
        BigBuf_free();\r
-       // clear trace\r
        clear_trace();\r
 \r
        // params\r
        clear_trace();\r
 \r
        // params\r
@@ -270,10 +271,6 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
                return;\r
        }\r
 \r
                return;\r
        }\r
 \r
-       LEDsoff();\r
-       LED_A_ON();\r
-       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\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:%d)",len);\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
@@ -305,19 +302,19 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
        }\r
 \r
        for (int i = 0; i < blocks; i++){\r
        }\r
 \r
        for (int i = 0; i < blocks; i++){\r
-               if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
+               if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
                        Dbprintf("Data exceeds buffer!!");\r
                        break;\r
                }\r
                        Dbprintf("Data exceeds buffer!!");\r
                        break;\r
                }\r
-       \r
-               len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\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
                        // if no blocks read - error out\r
                        if (i==0){\r
                                OnError(2);\r
                if (len) {\r
                        if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\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
                        } else {\r
                                //stop at last successful read block and return what we got\r
                                break;\r
@@ -337,16 +334,11 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
 \r
        countblocks *= 4;\r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
 \r
        countblocks *= 4;\r
-/*\r
-       LED_B_ON();\r
-       for(size_t i=0; i < countblocks; i += USB_CMD_DATA_SIZE) {\r
-               size_t len = MIN((countblocks - i),USB_CMD_DATA_SIZE);\r
-               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,countblocks,dataout+i,len);\r
-       }\r
-*/\r
+\r
        cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
        cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       BigBuf_free();\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
@@ -372,11 +364,10 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
        struct Crypto1State *pcs;\r
        pcs = &mpcs;\r
 \r
-       // clear trace\r
-       clear_trace();\r
-\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
@@ -421,7 +412,8 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
        LEDsoff();\r
 }\r
 \r
-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
+/* // Command not needed but left for future testing \r
+void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[16] = {0x00};\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[16] = {0x00};\r
@@ -441,7 +433,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
                return;\r
        };\r
 \r
                return;\r
        };\r
 \r
-       if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
+       if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
                OnError(0);\r
                return; };\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
                OnError(0);\r
                return; };\r
@@ -458,6 +450,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
+*/\r
 \r
 // Arg0   : Block to write to.\r
 // Arg1   : 0 = use no authentication.\r
 \r
 // Arg0   : Block to write to.\r
 // Arg1   : 0 = use no authentication.\r
@@ -465,7 +458,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
 //          2 = use 0x1B authentication.\r
 // datain : 4 first bytes is data to be written.\r
 //        : 4/16 next bytes is authentication key.\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
+void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
 {\r
        uint8_t blockNo = arg0;\r
        bool useKey = (arg1 == 1); //UL_C\r
 {\r
        uint8_t blockNo = arg0;\r
        bool useKey = (arg1 == 1); //UL_C\r
@@ -476,9 +469,10 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)
        \r
        LEDsoff();\r
        LED_A_ON();\r
        \r
        LEDsoff();\r
        LED_A_ON();\r
-       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
@@ -487,27 +481,27 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)
 \r
        // UL-C authentication\r
        if ( useKey ) {\r
 \r
        // UL-C authentication\r
        if ( useKey ) {\r
-               uint8_t key[16] = {0x00};\r
+               uint8_t key[16] = {0x00};       \r
                memcpy(key, datain+4, sizeof(key) );\r
 \r
                if ( !mifare_ultra_auth(key) ) {\r
                        OnError(1);\r
                memcpy(key, datain+4, sizeof(key) );\r
 \r
                if ( !mifare_ultra_auth(key) ) {\r
                        OnError(1);\r
-                       return;\r
+                       return;                 \r
                }\r
        }\r
        \r
        // UL-EV1 / NTAG authentication\r
                }\r
        }\r
        \r
        // UL-EV1 / NTAG authentication\r
-       if (usePwd) {\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
                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
+                       return;                 \r
                }\r
        }\r
                }\r
        }\r
-\r
-       if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
+       \r
+       if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(0);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(0);\r
                return;\r
@@ -534,9 +528,10 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        memcpy(pwd, datain, 16);\r
        \r
        LED_A_ON(); LED_B_OFF(); LED_C_OFF();\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
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
 \r
+       clear_trace();\r
+\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
        if(!iso14443a_select_card(NULL, NULL, NULL)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r
                OnError(0);\r
@@ -547,7 +542,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[6];\r
        blockdata[2] = pwd[5];\r
        blockdata[3] = pwd[4];\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(mifare_ultra_writeblock( 44, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(44);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(44);\r
                return;\r
@@ -557,7 +552,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[2];\r
        blockdata[2] = pwd[1];\r
        blockdata[3] = pwd[0];\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(mifare_ultra_writeblock( 45, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(45);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(45);\r
                return;\r
@@ -567,7 +562,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[14];\r
        blockdata[2] = pwd[13];\r
        blockdata[3] = pwd[12];\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(mifare_ultra_writeblock( 46, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(46);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(46);\r
                return;\r
@@ -577,7 +572,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[10];\r
        blockdata[2] = pwd[9];\r
        blockdata[3] = pwd[8];\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(mifare_ultra_writeblock( 47, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(47);\r
                return;\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(47);\r
                return;\r
@@ -636,19 +631,20 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        uint32_t auth1_time, auth2_time;\r
        static uint16_t delta_time;\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
-       clear_trace();\r
-       set_tracing(false);\r
-       \r
-       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
        LED_A_ON();\r
        LED_C_OFF();\r
        LED_A_ON();\r
        LED_C_OFF();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+       // free eventually allocated BigBuf memory\r
+       BigBuf_free();\r
 \r
 \r
+       if (calibrate) clear_trace();\r
+       set_tracing(true);\r
 \r
        // statistics on nonce distance\r
 \r
        // statistics on nonce distance\r
+       int16_t isOK = 0;\r
+       #define NESTED_MAX_TRIES 12\r
+       uint16_t unsuccessfull_tries = 0;\r
        if (calibrate) {        // for first call only. Otherwise reuse previous calibration\r
                LED_B_ON();\r
                WDT_HIT();\r
        if (calibrate) {        // for first call only. Otherwise reuse previous calibration\r
                LED_B_ON();\r
                WDT_HIT();\r
@@ -659,6 +655,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                \r
                for (rtr = 0; rtr < 17; rtr++) {\r
 \r
                \r
                for (rtr = 0; rtr < 17; rtr++) {\r
 \r
+                       // Test if the action was cancelled\r
+                       if(BUTTON_PRESS()) {\r
+                               isOK = -2;\r
+                               break;\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
                        // 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
@@ -706,27 +708,29 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                                        delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing\r
                                }\r
                                if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
                                        delta_time = auth2_time - auth1_time + 32;  // allow some slack for proper timing\r
                                }\r
                                if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r
+                       } else {\r
+                               unsuccessfull_tries++;\r
+                               if (unsuccessfull_tries > NESTED_MAX_TRIES) {   // card isn't vulnerable to nested attack (random numbers are not predictable)\r
+                                       isOK = -3;\r
+                               }\r
                        }\r
                }\r
                        }\r
                }\r
-               \r
-               if (rtr <= 1)   return;\r
 \r
                davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
                \r
 \r
                davg = (davg + (rtr - 1)/2) / (rtr - 1);\r
                \r
-               if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);\r
+               if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time);\r
 \r
                dmin = davg - 2;\r
                dmax = davg + 2;\r
                \r
                LED_B_OFF();\r
 \r
                dmin = davg - 2;\r
                dmax = davg + 2;\r
                \r
                LED_B_OFF();\r
-       \r
        }\r
 //  -------------------------------------------------------------------------------------------------  \r
        \r
        LED_C_ON();\r
 \r
        //  get crypted nonces for target sector\r
        }\r
 //  -------------------------------------------------------------------------------------------------  \r
        \r
        LED_C_ON();\r
 \r
        //  get crypted nonces for target sector\r
-       for(i=0; i < 2; i++) { // look for exactly two different nonces\r
+       for(i=0; i < 2 && !isOK; i++) { // look for exactly two different nonces\r
 \r
                target_nt[i] = 0;\r
                while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
 \r
                target_nt[i] = 0;\r
                while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r
@@ -750,7 +754,7 @@ 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
 \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_short(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
                        if (len != 4) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);\r
                                continue;\r
@@ -804,25 +808,26 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
        memcpy(buf+16, &target_ks[1], 4);\r
        \r
        LED_B_ON();\r
        memcpy(buf+16, &target_ks[1], 4);\r
        \r
        LED_B_ON();\r
-       cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
+       cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r
        LED_B_OFF();\r
 \r
        if (MF_DBGLEVEL >= 3)   DbpString("NESTED FINISHED");\r
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
        LED_B_OFF();\r
 \r
        if (MF_DBGLEVEL >= 3)   DbpString("NESTED FINISHED");\r
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
-       set_tracing(TRUE);\r
+       set_tracing(FALSE);\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
 // MIFARE check keys. key count up to 85. \r
 // \r
 //-----------------------------------------------------------------------------\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
 // MIFARE check keys. key count up to 85. \r
 // \r
 //-----------------------------------------------------------------------------\r
-void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
+void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r
 {\r
   // params\r
 {\r
   // params\r
-       uint8_t blockNo = arg0;\r
-       uint8_t keyType = arg1;\r
+       uint8_t blockNo = arg0 & 0xff;\r
+       uint8_t keyType = (arg0 >> 8) & 0xff;\r
+       bool clearTrace = arg1;\r
        uint8_t keyCount = arg2;\r
        uint64_t ui64Key = 0;\r
        \r
        uint8_t keyCount = arg2;\r
        uint64_t ui64Key = 0;\r
        \r
@@ -839,15 +844,13 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        int OLD_MF_DBGLEVEL = MF_DBGLEVEL;      \r
        MF_DBGLEVEL = MF_DBG_NONE;\r
        \r
        int OLD_MF_DBGLEVEL = MF_DBGLEVEL;      \r
        MF_DBGLEVEL = MF_DBG_NONE;\r
        \r
-       // clear trace\r
-       clear_trace();\r
-       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
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+\r
+       if (clearTrace) clear_trace();\r
+       set_tracing(TRUE);\r
 \r
        for (i = 0; i < keyCount; i++) {\r
                if(mifare_classic_halt(pcs, cuid)) {\r
 \r
        for (i = 0; i < keyCount; i++) {\r
                if(mifare_classic_halt(pcs, cuid)) {\r
@@ -877,7 +880,8 @@ void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 \r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
-\r
+       set_tracing(FALSE);\r
+       \r
        // restore debug level\r
        MF_DBGLEVEL = OLD_MF_DBGLEVEL;  \r
 }\r
        // restore debug level\r
        MF_DBGLEVEL = OLD_MF_DBGLEVEL;  \r
 }\r
@@ -894,16 +898,24 @@ void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
 //-----------------------------------------------------------------------------\r
 // Work with emulator memory\r
 // \r
 //-----------------------------------------------------------------------------\r
 // Work with emulator memory\r
 // \r
+// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not\r
+// involved in dealing with emulator memory. But if it is called later, it might\r
+// destroy the Emulator Memory.\r
 //-----------------------------------------------------------------------------\r
 //-----------------------------------------------------------------------------\r
+\r
 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
 void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
        emlClearMem();\r
 }\r
 \r
 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
        emlClearMem();\r
 }\r
 \r
 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
-       emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
+       //emlSetMem(datain, arg0, arg1); // data, block num, blocks count        \r
+       emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width\r
 }\r
 \r
 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
 }\r
 \r
 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+       FpgaDownloadAndGo(FPGA_BITSTREAM_HF);\r
        byte_t buf[USB_CMD_DATA_SIZE];\r
        emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
 \r
        byte_t buf[USB_CMD_DATA_SIZE];\r
        emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4)\r
 \r
@@ -930,15 +942,13 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        byte_t dataoutbuf2[16];\r
        uint8_t uid[10];\r
 \r
        byte_t dataoutbuf2[16];\r
        uint8_t uid[10];\r
 \r
-       // clear trace\r
-       clear_trace();\r
-       set_tracing(false);\r
-       \r
-       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
        LED_A_ON();\r
        LED_B_OFF();\r
        LED_C_OFF();\r
+       iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       \r
+       clear_trace();\r
+       set_tracing(TRUE);\r
        \r
        bool isOK = true;\r
 \r
        \r
        bool isOK = true;\r
 \r
@@ -994,222 +1004,183 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
        \r
        if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
 \r
        \r
        if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r
 \r
+       set_tracing(FALSE);\r
 }\r
 \r
 \r
 //-----------------------------------------------------------------------------\r
 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
 // \r
 }\r
 \r
 \r
 //-----------------------------------------------------------------------------\r
 // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r
 // \r
+// PARAMS - workFlags\r
+// bit 0 - need get UID\r
+// bit 1 - need wupC\r
+// bit 2 - need HALT after sequence\r
+// bit 3 - need turn on FPGA before sequence\r
+// bit 4 - need turn off FPGA\r
+// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a)\r
+// bit 6 - wipe tag.\r
 //-----------------------------------------------------------------------------\r
 //-----------------------------------------------------------------------------\r
-void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
+// magic uid card generation 1 commands\r
+uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; \r
+uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; \r
+uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; \r
+       \r
+void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
   \r
   \r
-  // params\r
-       uint8_t needWipe = arg0;\r
-       // bit 0 - need get UID\r
-       // bit 1 - need wupC\r
-       // bit 2 - need HALT after sequence\r
-       // bit 3 - need init FPGA and field before sequence\r
-       // bit 4 - need reset FPGA and LED\r
-       uint8_t workFlags = arg1;\r
-       uint8_t blockNo = arg2;\r
+       // params\r
+       uint8_t workFlags = arg0;\r
+       uint8_t blockNo = arg1;\r
        \r
        \r
-       // card commands\r
-       uint8_t wupC1[]       = { 0x40 }; \r
-       uint8_t wupC2[]       = { 0x43 }; \r
-       uint8_t wipeC[]       = { 0x41 }; \r
+       Dbprintf("ICE :: CSetBlocks Flags %02x", workFlags);\r
        \r
        // variables\r
        \r
        // variables\r
-       byte_t isOK = 0;\r
        uint8_t uid[10] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint8_t d_block[18] = {0x00};\r
+       uint8_t data[18] = {0x00};\r
        uint32_t cuid;\r
        \r
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
 \r
        uint32_t cuid;\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
+       if (workFlags & MAGIC_INIT) {\r
                LED_A_ON();\r
                LED_B_OFF();\r
                LED_A_ON();\r
                LED_B_OFF();\r
-               LED_C_OFF();\r
-       \r
+               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
                clear_trace();\r
                set_tracing(TRUE);\r
                clear_trace();\r
                set_tracing(TRUE);\r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \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
-                       };\r
-\r
-                       if(mifare_classic_halt(NULL, cuid)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
-                       };\r
+       // read UID and return to client\r
+       if (workFlags & MAGIC_UID) {\r
+               if(!iso14443a_select_card(uid, NULL, &cuid)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Can't select card");\r
+                       OnErrorMagic(MAGIC_UID);\r
                };\r
                };\r
+       };\r
        \r
        \r
-               // reset chip\r
-               if (needWipe){\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, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("wipeC error");\r
-                               break;\r
-                       };\r
-\r
-                       if(mifare_classic_halt(NULL, cuid)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
-                       };\r
-               };      \r
+       // wipe tag, fill it with zeros\r
+       if (workFlags & MAGIC_WIPE){\r
+               ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("wupC1 error");\r
+                       OnErrorMagic(MAGIC_WIPE);\r
+               };\r
 \r
 \r
-               // write block\r
-               if (workFlags & 0x02) {\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
+               ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("wipeC error");\r
+                       OnErrorMagic(MAGIC_WIPE);\r
+               };\r
+       };      \r
 \r
 \r
-                       ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
-                       if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");\r
-                               break;\r
-                       };\r
-               }\r
+       // write block\r
+       if (workFlags & MAGIC_WUPC) {\r
+               ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("wupC1 error");\r
+                       OnErrorMagic(MAGIC_WUPC);\r
+               };\r
 \r
 \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
+               ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("wupC2 error");\r
+                       OnErrorMagic(MAGIC_WUPC);\r
                };\r
                };\r
+       }\r
+\r
+       if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("write block send command error");\r
+               OnErrorMagic(4);\r
+       };\r
        \r
        \r
-               memcpy(d_block, datain, 16);\r
-               AppendCrc14443a(d_block, 16);\r
+       memcpy(data, datain, sizeof(data));\r
+       AppendCrc14443a(data, sizeof(data));\r
        \r
        \r
-               ReaderTransmit(d_block, sizeof(d_block), NULL);\r
-               if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
-                       if (MF_DBGLEVEL >= 1)   Dbprintf("write block send data error");\r
-                       break;\r
-               };      \r
+       ReaderTransmit(data, sizeof(data), NULL);\r
+       if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("write block send data error");\r
+               OnErrorMagic(0);\r
+       };      \r
        \r
        \r
-               if (workFlags & 0x04) {\r
-                       if (mifare_classic_halt(NULL, cuid)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
-                       };\r
-               }\r
-               \r
-               isOK = 1;\r
-               break;\r
-       }\r
+       if (workFlags & MAGIC_OFF) \r
+               mifare_classic_halt_ex(NULL);\r
        \r
        LED_B_ON();\r
        \r
        LED_B_ON();\r
-       cmd_send(CMD_ACK,isOK,0,0,uid,4);\r
+       // check if uid is cuid?\r
+       cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid));\r
        LED_B_OFF();\r
 \r
        LED_B_OFF();\r
 \r
-       if ((workFlags & 0x10) || (!isOK)) {\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-               LEDsoff();\r
-       }\r
+       if (workFlags & MAGIC_OFF)\r
+               OnSuccessMagic();\r
 }\r
 \r
 }\r
 \r
-\r
-void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r
-  \r
-  // params\r
-       // bit 1 - need wupC\r
-       // bit 2 - need HALT after sequence\r
-       // bit 3 - need init FPGA and field before sequence\r
-       // bit 4 - need reset FPGA and LED\r
+void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){\r
+    \r
        uint8_t workFlags = arg0;\r
        uint8_t workFlags = arg0;\r
-       uint8_t blockNo = arg2;\r
-       \r
-       // card commands\r
-       uint8_t wupC1[]       = { 0x40 }; \r
-       uint8_t wupC2[]       = { 0x43 }; \r
+       uint8_t blockNo = arg1;\r
+\r
+       Dbprintf("ICE :: CGetBlocks Flags %02x", workFlags);\r
        \r
        // variables\r
        \r
        // variables\r
-       byte_t isOK = 0;\r
-       uint8_t data[18] = {0x00};\r
-       uint32_t cuid = 0;\r
-       \r
+       uint8_t data[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
        \r
-       if (workFlags & 0x08) {\r
+       memset(data, 0x00, sizeof(data));\r
+       \r
+       if (workFlags & MAGIC_INIT) {\r
                LED_A_ON();\r
                LED_B_OFF();\r
                LED_A_ON();\r
                LED_B_OFF();\r
-               LED_C_OFF();\r
-       \r
+               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);       \r
                clear_trace();\r
                set_tracing(TRUE);\r
                clear_trace();\r
                set_tracing(TRUE);\r
-               iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        }\r
 \r
        }\r
 \r
-       while (true) {\r
-               if (workFlags & 0x02) {\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, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("wupC2 error");\r
-                               break;\r
-                       };\r
-               }\r
+       if (workFlags & MAGIC_WUPC) {\r
+               ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");\r
+                       OnErrorMagic(MAGIC_WUPC);\r
+               };\r
 \r
 \r
-               // read block\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
+               ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r
+               if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
+                       if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error");\r
+                       OnErrorMagic(MAGIC_WUPC);\r
                };\r
                };\r
-               memcpy(data, receivedAnswer, 18);\r
-               \r
-               if (workFlags & 0x04) {\r
-                       if (mifare_classic_halt(NULL, cuid)) {\r
-                               if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
-                               break;\r
-                       };\r
-               }\r
-               \r
-               isOK = 1;\r
-               break;\r
        }\r
        }\r
+\r
+       // read block           \r
+       if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) {\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error");\r
+               OnErrorMagic(0);\r
+       };\r
+       \r
+       memcpy(data, receivedAnswer, sizeof(data));\r
+       \r
+       // send HALT\r
+       if (workFlags & MAGIC_HALT) \r
+               mifare_classic_halt_ex(NULL);\r
        \r
        LED_B_ON();\r
        \r
        LED_B_ON();\r
-       cmd_send(CMD_ACK,isOK,0,0,data,18);\r
+       \r
+       // if MAGIC_DATAIN, the data stays on device side.\r
+       if (workFlags & MAGIC_DATAIN)\r
+               memcpy(datain, data, sizeof(data));\r
+       else\r
+               cmd_send(CMD_ACK,1,0,0,data,sizeof(data));\r
+       \r
        LED_B_OFF();\r
 \r
        LED_B_OFF();\r
 \r
-       if ((workFlags & 0x10) || (!isOK)) {\r
-               FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-               LEDsoff();\r
-       }\r
+       if (workFlags & MAGIC_OFF)\r
+               OnSuccessMagic();\r
 }\r
 \r
 void MifareCIdent(){\r
 }\r
 \r
 void MifareCIdent(){\r
-  \r
-       // card commands\r
-       uint8_t wupC1[]       = { 0x40 }; \r
-       uint8_t wupC2[]       = { 0x43 }; \r
        \r
        // variables\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
+       byte_t isOK = 1;        \r
+       uint8_t receivedAnswer[1];\r
+       uint8_t receivedAnswerPar[1];\r
 \r
        ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
        if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
 \r
        ReaderTransmitBitsPar(wupC1,7,0, NULL);\r
        if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {\r
@@ -1221,14 +1192,26 @@ void MifareCIdent(){
                isOK = 0;\r
        };\r
 \r
                isOK = 0;\r
        };\r
 \r
-       if (mifare_classic_halt(NULL, 0)) {\r
-               isOK = 0;\r
-       };\r
-\r
+       // removed the if,  since some magic tags misbehavies and send an answer to it.\r
+       mifare_classic_halt(NULL, 0);\r
        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 OnSuccessMagic(){\r
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
+       LEDsoff();\r
+       set_tracing(FALSE);     \r
+}\r
+void OnErrorMagic(uint8_t reason){\r
+       //          ACK, ISOK, reason,0,0,0\r
+       cmd_send(CMD_ACK,0,reason,0,0,0);\r
+       OnSuccessMagic();\r
+}\r
+\r
+void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
+}\r
+\r
+//\r
 // DESFIRE\r
 //\r
 \r
 // DESFIRE\r
 //\r
 \r
@@ -1236,10 +1219,10 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
 \r
        byte_t dataout[11] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
 \r
        byte_t dataout[11] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
-       uint32_t cuid;\r
+       uint32_t cuid = 0x00;\r
     \r
     \r
-       clear_trace();\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
        iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
+       clear_trace();\r
 \r
        int len = iso14443a_select_card(uid, NULL, &cuid);\r
        if(!len) {\r
 \r
        int len = iso14443a_select_card(uid, NULL, &cuid);\r
        if(!len) {\r
@@ -1262,39 +1245,22 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
 \r
        uint32_t cuid = arg0;\r
        uint8_t key[16] = {0x00};\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 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
     \r
        memcpy(key, datain, 16);\r
        \r
        isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
        \r
        if( isOK) {\r
-           if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
-                       Dbprintf("Authentication part2: Failed");  \r
-               //OnError(4);\r
+           if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");  \r
+               OnError(4);\r
                return;\r
        }\r
 \r
                return;\r
        }\r
 \r
-       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
-               DbpString("AUTH 2 FINISHED");\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
        cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
-}\r
-\r
-void OnSuccess(){\r
-       pcb_blocknum = 0;\r
-       ReaderTransmit(deselect_cmd, 3 , NULL);\r
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-       LEDsoff();\r
-}\r
-\r
-void OnError(uint8_t reason){\r
-       pcb_blocknum = 0;\r
-       ReaderTransmit(deselect_cmd, 3 , NULL);\r
-       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
-       cmd_send(CMD_ACK,0,reason,0,0,0);\r
-       LEDsoff();\r
-}\r
+}
\ No newline at end of file
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