]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmf.c
Merge pull request #32 from marshmellow42/master
[proxmark3-svn] / client / cmdhfmf.c
index 7fbcad24d361cb9a0703174709684b920666443d..bdb0e7e744f93848541e0d941214dcce34bfc0b1 100644 (file)
@@ -343,10 +343,6 @@ int CmdHF14AMfURdCard(const char *Cmd)
     uint8_t isOK  = 0;\r
     uint8_t * data  = NULL;\r
 \r
-    if (sectorNo > 15) {\r
-        PrintAndLog("Sector number must be less than 16");\r
-        return 1;\r
-    }\r
     PrintAndLog("Attempting to Read Ultralight... ");\r
         \r
        UsbCommand c = {CMD_MIFAREU_READCARD, {sectorNo}};\r
@@ -359,64 +355,24 @@ int CmdHF14AMfURdCard(const char *Cmd)
 \r
         PrintAndLog("isOk:%02x", isOK);\r
         if (isOK) \r
-            for (i = 0; i < 16; i++) {\r
-                       switch(i){\r
-                               case 2:\r
-                                       //process lock bytes\r
-                                       lockbytes_t=data+(i*4);\r
-                                       lockbytes[0]=lockbytes_t[2];\r
-                                       lockbytes[1]=lockbytes_t[3];\r
-                                       for(int j=0; j<16; j++){\r
-                                               bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));\r
-                                       }\r
-                                       //PrintAndLog("LB %02x %02x", lockbytes[0],lockbytes[1]);\r
-                                       //PrintAndLog("LB2b %02x %02x %02x %02x %02x %02x %02x %02x",bit[8],bit[9],bit[10],bit[11],bit[12],bit[13],bit[14],bit[15]);            \r
-                                       PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4));\r
-                                       break;\r
-                               case 3: \r
-                                       PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[4]);\r
-                                       break;\r
-                               case 4:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[3]);\r
-                                       break;\r
-                               case 5:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[2]);\r
-                                       break;\r
-                               case 6:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[1]);\r
-                                       break;\r
-                               case 7:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[0]);\r
-                                       break;\r
-                               case 8:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[15]);\r
-                                       break;\r
-                               case 9:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[14]);\r
-                                       break;\r
-                               case 10:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[13]);\r
-                                       break;\r
-                               case 11:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[12]);\r
-                                       break;\r
-                               case 12:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[11]);\r
-                                       break;\r
-                               case 13:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[10]);\r
-                                       break;\r
-                               case 14:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[9]);\r
-                                       break;\r
-                               case 15:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[8]);\r
-                                       break;\r
-                               default:\r
-                                       PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4));\r
-                                       break;\r
+               {       // bit 0 and 1\r
+                               PrintAndLog("Block %3d:%s ", 0,sprint_hex(data + 0 * 4, 4));\r
+                               PrintAndLog("Block %3d:%s ", 1,sprint_hex(data + 1 * 4, 4));\r
+                               // bit 2\r
+                               //process lock bytes\r
+                               lockbytes_t=data+(2*4);\r
+                               lockbytes[0]=lockbytes_t[2];\r
+                               lockbytes[1]=lockbytes_t[3];\r
+                               for(int j=0; j<16; j++){\r
+                                       bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));\r
                                }\r
-                        }\r
+                               //remaining\r
+                   for (i = 3; i < 16; i++) {\r
+                       int bitnum = (23-i) % 16;\r
+                                       PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[bitnum]);\r
+                   }\r
+\r
+               }\r
         } else {\r
                 PrintAndLog("Command execute timeout");\r
         }\r
@@ -509,6 +465,7 @@ int CmdHF14AMfDump(const char *Cmd)
        uint8_t keyA[40][6];\r
        uint8_t keyB[40][6];\r
        uint8_t rights[40][4];\r
+       uint8_t carddata[256][16];\r
        uint8_t numSectors = 16;\r
        \r
        FILE *fin;\r
@@ -540,16 +497,12 @@ int CmdHF14AMfDump(const char *Cmd)
                return 1;\r
        }\r
        \r
-       if ((fout = fopen("dumpdata.bin","wb")) == NULL) { \r
-               PrintAndLog("Could not create file name dumpdata.bin");\r
-               return 1;\r
-       }\r
-       \r
        // Read key file\r
 \r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
+                       fclose(fin);\r
                        return 2;\r
                }\r
        }\r
@@ -557,10 +510,11 @@ int CmdHF14AMfDump(const char *Cmd)
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
+                       fclose(fin);\r
                        return 2;\r
                }\r
        }\r
-       \r
+       fclose(fin);\r
        // Read access rights to sectors\r
 \r
        PrintAndLog("|-----------------------------------------|");\r
@@ -576,15 +530,19 @@ int CmdHF14AMfDump(const char *Cmd)
                        uint8_t isOK  = resp.arg[0] & 0xff;\r
                        uint8_t *data  = resp.d.asBytes;\r
                        if (isOK){\r
-                               rights[sectorNo][0] = ((data[7] & 0x10)>>4) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>2);\r
-                               rights[sectorNo][1] = ((data[7] & 0x20)>>5) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>3);\r
-                               rights[sectorNo][2] = ((data[7] & 0x40)>>6) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>4);\r
-                               rights[sectorNo][3] = ((data[7] & 0x80)>>7) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>5);\r
+                               rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0\r
+                               rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1\r
+                               rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2\r
+                               rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer\r
                        } else {\r
-                               PrintAndLog("Could not get access rights for sector %2d.", sectorNo);\r
+                               PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
+                               rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
+                               rights[sectorNo][3] = 0x01;\r
                        }\r
                } else {\r
-                       PrintAndLog("Command execute timeout");\r
+                       PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);\r
+                       rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
+                       rights[sectorNo][3] = 0x01;\r
                }\r
        }\r
        \r
@@ -594,9 +552,9 @@ int CmdHF14AMfDump(const char *Cmd)
        PrintAndLog("|----- Dumping all blocks to file... -----|");\r
        PrintAndLog("|-----------------------------------------|");\r
        \r
-  \r
-       for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
-               for (blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
+       bool isOK = true;\r
+       for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
+               for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
                        bool received = false;\r
                        if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. At least the Access Conditions can always be read with key A. \r
                                UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
@@ -605,23 +563,24 @@ int CmdHF14AMfDump(const char *Cmd)
                                received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
                        } else {                                                                                                // data block. Check if it can be read with key A or key B\r
                                uint8_t data_area = sectorNo<32?blockNo:blockNo/5;\r
-                               if ((rights[sectorNo][data_area] == 3) || (rights[sectorNo][data_area] == 5)) {                 // only key B would work\r
+                               if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) {   // only key B would work\r
                                        UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};\r
                                        memcpy(c.d.asBytes, keyB[sectorNo], 6);\r
                                        SendCommand(&c);\r
                                        received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
-                               } else if (rights[sectorNo][data_area] == 7) {                                                                                  // no key would work\r
-                                               PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
+                               } else if (rights[sectorNo][data_area] == 0x07) {                                                                               // no key would work\r
+                                       isOK = false;\r
+                                       PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
                                } else {                                                                                                                                                                // key A would work\r
-                                               UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
-                                               memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
-                                               SendCommand(&c);\r
-                                               received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
+                                       UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
+                                       memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
+                                       SendCommand(&c);\r
+                                       received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
                                }\r
                        }\r
 \r
                        if (received) {\r
-                               uint8_t isOK  = resp.arg[0] & 0xff;\r
+                               isOK  = resp.arg[0] & 0xff;\r
                                uint8_t *data  = resp.d.asBytes;\r
                                if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. Fill in the keys.\r
                                        data[0]  = (keyA[sectorNo][0]);\r
@@ -638,21 +597,33 @@ int CmdHF14AMfDump(const char *Cmd)
                                        data[15] = (keyB[sectorNo][5]);\r
                                }\r
                                if (isOK) {\r
-                                       fwrite ( data, 1, 16, fout );\r
-                    PrintAndLog("Dumped block %2d of sector %2d into 'dumpdata.bin'");\r
+                                       memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);\r
+                    PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);\r
                                } else {\r
                                        PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);\r
+                                       break;\r
                                }\r
                        }\r
                        else {\r
-                               PrintAndLog("Command execute timeout");\r
+                               isOK = false;\r
+                               PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);\r
+                               break;\r
                        }\r
                }\r
 \r
        }\r
-       \r
-       fclose(fin);\r
-       fclose(fout);\r
+\r
+       if (isOK) {\r
+               if ((fout = fopen("dumpdata.bin","wb")) == NULL) { \r
+                       PrintAndLog("Could not create file name dumpdata.bin");\r
+                       return 1;\r
+               }\r
+               uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);\r
+               fwrite(carddata, 1, 16*numblocks, fout);\r
+               fclose(fout);\r
+               PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);\r
+       }\r
+               \r
        return 0;\r
 }\r
 \r
@@ -696,12 +667,15 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {\r
                PrintAndLog("Could not find file dumpkeys.bin");\r
+               fclose(fdump);\r
                return 1;\r
        }\r
        \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
+                       fclose(fdump);\r
+                       fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
@@ -709,10 +683,13 @@ int CmdHF14AMfRestore(const char *Cmd)
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
+                       fclose(fdump);\r
+                       fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
-       \r
+       fclose(fkeys);\r
+\r
        PrintAndLog("Restoring dumpdata.bin to card");\r
 \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
@@ -722,6 +699,7 @@ int CmdHF14AMfRestore(const char *Cmd)
                        \r
                        if (fread(bldata, 1, 16, fdump) == 0) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
+                               fclose(fdump);\r
                                return 2;\r
                        }\r
                                        \r
@@ -756,7 +734,6 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        \r
        fclose(fdump);\r
-       fclose(fkeys);\r
        return 0;\r
 }\r
 \r
@@ -792,9 +769,9 @@ int CmdHF14AMfNested(const char *Cmd)
                PrintAndLog("d - write keys to binary file");\r
                PrintAndLog(" ");\r
                PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");\r
-               PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
-               PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
-               PrintAndLog("      sample2: hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
+               PrintAndLog("      sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
+               PrintAndLog("      sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
+               PrintAndLog("      sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
                return 0;\r
        }       \r
        \r
@@ -988,21 +965,18 @@ int CmdHF14AMfNested(const char *Cmd)
 }\r
 \r
 \r
-static uint32_t get_trailer_block (uint32_t uiBlock)\r
-{\r
-  // Test if we are in the small or big sectors\r
-  uint32_t trailer_block = 0;\r
-  if (uiBlock < 128) {\r
-    trailer_block = uiBlock + (3 - (uiBlock % 4));\r
-  } else {\r
-    trailer_block = uiBlock + (15 - (uiBlock % 16));\r
-  }\r
-  return trailer_block;\r
-}\r
-\r
-\r
 int CmdHF14AMfChk(const char *Cmd)\r
 {\r
+       if (strlen(Cmd)<3) {\r
+               PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
+               PrintAndLog("          * - all sectors");\r
+               PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
+               PrintAndLog("d - write keys to binary file\n");\r
+               PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
+               PrintAndLog("              hf mf chk *1 ? t");\r
+               return 0;\r
+       }       \r
+\r
        FILE * f;\r
        char filename[256]={0};\r
        char buf[13];\r
@@ -1020,6 +994,7 @@ int CmdHF14AMfChk(const char *Cmd)
        int transferToEml = 0;\r
        int createDumpFile = 0;\r
 \r
+\r
        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r
@@ -1046,16 +1021,6 @@ int CmdHF14AMfChk(const char *Cmd)
                num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
        }\r
        \r
-       if (strlen(Cmd)<3) {\r
-               PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
-               PrintAndLog("          * - all sectors");\r
-               PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
-//             PrintAndLog("d - write keys to binary file\n");\r
-               \r
-               PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
-               PrintAndLog("              hf mf chk *1 ? t");\r
-               return 0;\r
-       }       \r
        \r
        if (param_getchar(Cmd, 0)=='*') {\r
                blockNo = 3;\r
@@ -1144,11 +1109,11 @@ int CmdHF14AMfChk(const char *Cmd)
                                        keycnt++;\r
                                        memset(buf, 0, sizeof(buf));\r
                                }\r
+                               fclose(f);\r
                        } else {\r
                                PrintAndLog("File: %s: not found or locked.", filename);\r
                                free(keyBlock);\r
                                return 1;\r
-                       fclose(f);\r
                        }\r
                }\r
        }\r
@@ -1157,14 +1122,26 @@ int CmdHF14AMfChk(const char *Cmd)
                PrintAndLog("No key specified, trying default keys");\r
                for (;keycnt < defaultKeysSize; keycnt++)\r
                        PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,\r
-                       (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
-                       (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],     (keyBlock + 6*keycnt)[5], 6);\r
+                               (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
+                               (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],     (keyBlock + 6*keycnt)[5], 6);\r
+       }\r
+       \r
+       // initialize storage for found keys\r
+       bool validKey[2][40];\r
+       uint8_t foundKey[2][40][6];\r
+       for (uint16_t t = 0; t < 2; t++) {\r
+               for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
+                       validKey[t][sectorNo] = false;\r
+                       for (uint16_t i = 0; i < 6; i++) {\r
+                               foundKey[t][sectorNo][i] = 0xff;\r
+                       }\r
+               }\r
        }\r
        \r
        for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {\r
                int b=blockNo;\r
                for (int i = 0; i < SectorsCnt; ++i) {\r
-                       PrintAndLog("--SectorsCnt:%2d, block no:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);\r
+                       PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);\r
                        uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;\r
                        for (uint32_t c = 0; c < keycnt; c+=max_keys) {\r
                                uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;\r
@@ -1172,13 +1149,9 @@ int CmdHF14AMfChk(const char *Cmd)
                                if (res != 1) {\r
                                        if (!res) {\r
                                                PrintAndLog("Found valid key:[%012"llx"]",key64);\r
-                                               if (transferToEml) {\r
-                                                       uint8_t block[16];\r
-                                                       mfEmlGetMem(block, get_trailer_block(b), 1);\r
-                                                       num_to_bytes(key64, 6, block + t*10);\r
-                                                       mfEmlSetMem(block, get_trailer_block(b), 1);\r
-                                               }\r
-                                       }\r
+                                               num_to_bytes(key64, 6, foundKey[t][i]);\r
+                                               validKey[t][i] = true;\r
+                                       } \r
                                } else {\r
                                        PrintAndLog("Command execute timeout");\r
                                }\r
@@ -1186,42 +1159,43 @@ int CmdHF14AMfChk(const char *Cmd)
                        b<127?(b+=4):(b+=16);   \r
                }\r
        }\r
-       \r
-       free(keyBlock);\r
 \r
-/*\r
-       // Create dump file\r
+       if (transferToEml) {\r
+               uint8_t block[16];\r
+               for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
+                       if (validKey[0][sectorNo] || validKey[1][sectorNo]) {\r
+                               mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
+                               for (uint16_t t = 0; t < 2; t++) {\r
+                                       if (validKey[t][sectorNo]) {\r
+                                               memcpy(block + t*10, foundKey[t][sectorNo], 6);\r
+                                       }\r
+                               }\r
+                               mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
+                       }\r
+               }\r
+               PrintAndLog("Found keys have been transferred to the emulator memory");\r
+       }\r
+\r
        if (createDumpFile) {\r
-               if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { \r
+               FILE *fkeys = fopen("dumpkeys.bin","wb");\r
+               if (fkeys == NULL) { \r
                        PrintAndLog("Could not create file dumpkeys.bin");\r
-                       free(e_sector);\r
+                       free(keyBlock);\r
                        return 1;\r
                }\r
-               PrintAndLog("Printing keys to binary file dumpkeys.bin...");\r
-               for(i=0; i<16; i++) {\r
-                       if (e_sector[i].foundKey[0]){\r
-                               num_to_bytes(e_sector[i].Key[0], 6, tempkey);\r
-                               fwrite ( tempkey, 1, 6, fkeys );\r
-                       }\r
-                       else{\r
-                               fwrite ( &standart, 1, 6, fkeys );\r
-                       }\r
-               }\r
-               for(i=0; i<16; i++) {\r
-                       if (e_sector[i].foundKey[1]){\r
-                               num_to_bytes(e_sector[i].Key[1], 6, tempkey);\r
-                               fwrite ( tempkey, 1, 6, fkeys );\r
-                       }\r
-                       else{\r
-                               fwrite ( &standart, 1, 6, fkeys );\r
-                       }\r
+               for (uint16_t t = 0; t < 2; t++) {\r
+                       fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);\r
                }\r
                fclose(fkeys);\r
+               PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");\r
        }\r
-*/\r
-  return 0;\r
+\r
+       free(keyBlock);\r
+\r
+       return 0;\r
 }\r
 \r
+\r
 int CmdHF14AMf1kSim(const char *Cmd)\r
 {\r
        uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};\r
@@ -1421,12 +1395,14 @@ int CmdHF14AMfELoad(const char *Cmd)
                                break;\r
                        }\r
                        PrintAndLog("File reading error.");\r
+                       fclose(f);\r
                        return 2;\r
                }\r
                if (strlen(buf) < 32){\r
                        if(strlen(buf) && feof(f))\r
                                break;\r
                        PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
+                       fclose(f);\r
                        return 2;\r
                }\r
                for (i = 0; i < 32; i += 2) {\r
@@ -1435,6 +1411,7 @@ int CmdHF14AMfELoad(const char *Cmd)
                }\r
                if (mfEmlSetMem(buf8, blockNum, 1)) {\r
                        PrintAndLog("Cant set emul block: %3d", blockNum);\r
+                       fclose(f);\r
                        return 3;\r
                }\r
                blockNum++;\r
@@ -1577,8 +1554,8 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
 int CmdHF14AMfCSetUID(const char *Cmd)\r
 {\r
        uint8_t wipeCard = 0;\r
-       uint8_t uid[8];\r
-       uint8_t oldUid[8];\r
+       uint8_t uid[8] = {0};\r
+       uint8_t oldUid[8]= {0};\r
        int res;\r
 \r
        if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
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