]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmf.c
Fix 15 snoop (#752)
[proxmark3-svn] / client / cmdhfmf.c
index aafbce2afa12990873e7422daf4fc65f56ebc073..b5c1b006e4ad93ccd50afa96f0d3c61dbf820d2a 100644 (file)
 #include <stdio.h>\r
 #include <stdlib.h>\r
 #include <ctype.h>\r
-#include "proxmark3.h"\r
+#include "comms.h"\r
 #include "cmdmain.h"\r
 #include "cmdhfmfhard.h"\r
+#include "parity.h"\r
 #include "util.h"\r
 #include "util_posix.h"\r
 #include "usb_cmd.h"\r
 #include "mifarehost.h"\r
 #include "mifare.h"\r
 #include "mfkey.h"\r
+#include "hardnested/hardnested_bf_core.h"\r
+#include "cliparser/cliparser.h"\r
+#include "cmdhf14a.h"\r
+#include "mifare4.h"\r
 \r
 #define NESTED_SECTOR_RETRY     10                     // how often we try mfested() until we give up\r
 \r
@@ -136,12 +141,26 @@ int CmdHF14AMfRdBl(const char *Cmd)
                uint8_t isOK  = resp.arg[0] & 0xff;\r
                uint8_t *data = resp.d.asBytes;\r
 \r
-               if (isOK)\r
+               if (isOK) {\r
                        PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));\r
-               else\r
+               } else {\r
                        PrintAndLog("isOk:%02x", isOK);\r
+                       return 1;\r
+               }\r
+\r
+               if (mfIsSectorTrailer(blockNo) && (data[6] || data[7] || data[8])) {\r
+                       PrintAndLogEx(NORMAL, "Trailer decoded:");\r
+                       int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));\r
+                       int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;\r
+                       for (int i = 0; i < 4; i++) {\r
+                               PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &data[6]));\r
+                               bln += blinc;\r
+                       }\r
+                       PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1));\r
+               }\r
        } else {\r
                PrintAndLog("Command execute timeout");\r
+               return 2;\r
        }\r
 \r
   return 0;\r
@@ -196,6 +215,15 @@ int CmdHF14AMfRdSc(const char *Cmd)
                                PrintAndLog("data   : %s", sprint_hex(data + i * 16, 16));\r
                        }\r
                        PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));\r
+                       \r
+                       PrintAndLogEx(NORMAL, "Trailer decoded:");\r
+                        int bln = mfFirstBlockOfSector(sectorNo);\r
+                        int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;\r
+                        for (i = 0; i < 4; i++) {\r
+                                PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &(data + (sectorNo<32?3:15) * 16)[6]));\r
+                                bln += blinc;\r
+                        }\r
+                        PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&(data + (sectorNo<32?3:15) * 16)[9], 1));\r
                }\r
        } else {\r
                PrintAndLog("Command execute timeout");\r
@@ -222,6 +250,28 @@ uint8_t NumBlocksPerSector(uint8_t sectorNo)
        }\r
 }\r
 \r
+static int ParamCardSizeSectors(const char c) {\r
+       int numBlocks = 16;\r
+       switch (c) {\r
+               case '0' : numBlocks = 5; break;\r
+               case '2' : numBlocks = 32; break;\r
+               case '4' : numBlocks = 40; break;\r
+               default:   numBlocks = 16;\r
+       }\r
+       return numBlocks;\r
+}\r
+\r
+static int ParamCardSizeBlocks(const char c) {\r
+       int numBlocks = 16 * 4;\r
+       switch (c) {\r
+               case '0' : numBlocks = 5 * 4; break;\r
+               case '2' : numBlocks = 32 * 4; break;\r
+               case '4' : numBlocks = 32 * 4 + 8 * 16; break;\r
+               default:   numBlocks = 16 * 4;\r
+       }\r
+       return numBlocks;\r
+}\r
+\r
 int CmdHF14AMfDump(const char *Cmd)\r
 {\r
        uint8_t sectorNo, blockNo;\r
@@ -238,14 +288,7 @@ int CmdHF14AMfDump(const char *Cmd)
        UsbCommand resp;\r
 \r
        char cmdp = param_getchar(Cmd, 0);\r
-       switch (cmdp) {\r
-               case '0' : numSectors = 5; break;\r
-               case '1' :\r
-               case '\0': numSectors = 16; break;\r
-               case '2' : numSectors = 32; break;\r
-               case '4' : numSectors = 40; break;\r
-               default:   numSectors = 16;\r
-       }\r
+       numSectors = ParamCardSizeSectors(cmdp);\r
 \r
        if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
                PrintAndLog("Usage:   hf mf dump [card memory]");\r
@@ -509,12 +552,33 @@ int CmdHF14AMfRestore(const char *Cmd)
        return 0;\r
 }\r
 \r
+//----------------------------------------------\r
+//   Nested\r
+//----------------------------------------------\r
 \r
-typedef struct {\r
-       uint64_t Key[2];\r
-       int foundKey[2];\r
-} sector_t;\r
+static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {\r
+       char ctmp3[4] = {0};\r
+       int len = param_getlength(Cmd, indx);\r
+       if (len > 0 && len < 4){\r
+               param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));\r
+               \r
+               *paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T');\r
+               *paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D');\r
+               bool paramS1 = *paramT || *paramD;\r
 \r
+               // slow and very slow\r
+               if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {\r
+                       *timeout = 11; // slow\r
+               \r
+                       if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r
+                               *timeout = 53; // very slow\r
+                       }\r
+                       if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r
+                               *timeout = 53; // very slow\r
+                       }\r
+               }\r
+       }\r
+}\r
 \r
 int CmdHF14AMfNested(const char *Cmd)\r
 {\r
@@ -526,10 +590,14 @@ int CmdHF14AMfNested(const char *Cmd)
        uint8_t trgKeyType = 0;\r
        uint8_t SectorsCnt = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
-       uint8_t keyBlock[14*6];\r
+       uint8_t keyBlock[MifareDefaultKeysSize * 6];\r
        uint64_t key64 = 0;\r
-       bool transferToEml = false;\r
+       // timeout in units. (ms * 106)/10 or us*0.0106\r
+       uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r
+       \r
+       bool autosearchKey = false;\r
 \r
+       bool transferToEml = false;\r
        bool createDumpFile = false;\r
        FILE *fkeys;\r
        uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
@@ -539,67 +607,90 @@ int CmdHF14AMfNested(const char *Cmd)
 \r
        if (strlen(Cmd)<3) {\r
                PrintAndLog("Usage:");\r
-               PrintAndLog(" all sectors:  hf mf nested  <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");\r
+               PrintAndLog(" all sectors:  hf mf nested  <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]");\r
+               PrintAndLog(" all sectors autosearch key:  hf mf nested  <card memory> * [t|d|s|ss]");\r
                PrintAndLog(" one sector:   hf mf nested  o <block number> <key A/B> <key (12 hex symbols)>");\r
                PrintAndLog("               <target block number> <target key A/B> [t]");\r
+               PrintAndLog(" ");\r
                PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
-               PrintAndLog("t - transfer keys into emulator memory");\r
-               PrintAndLog("d - write keys to binary file");\r
+               PrintAndLog("t - transfer keys to emulator memory");\r
+               PrintAndLog("d - write keys to binary file dumpkeys.bin");\r
+               PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)");\r
+               PrintAndLog("ss - Very slow (5ms) check keys");\r
                PrintAndLog(" ");\r
                PrintAndLog("      sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");\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
+               PrintAndLog("      sample5: hf mf nested 1 * t");\r
+               PrintAndLog("      sample6: hf mf nested 1 * ss");\r
                return 0;\r
        }\r
 \r
+       // <card memory>\r
        cmdp = param_getchar(Cmd, 0);\r
-       blockNo = param_get8(Cmd, 1);\r
-       ctmp = param_getchar(Cmd, 2);\r
-\r
-       if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
-               PrintAndLog("Key type must be A or B");\r
-               return 1;\r
+       if (cmdp == 'o' || cmdp == 'O') {\r
+               cmdp = 'o';\r
+               SectorsCnt = 1;\r
+       } else {\r
+               SectorsCnt = ParamCardSizeSectors(cmdp);\r
        }\r
+               \r
+       // <block number>. number or autosearch key (*)\r
+       if (param_getchar(Cmd, 1) == '*') {\r
+               autosearchKey = true;\r
 \r
-       if (ctmp != 'A' && ctmp != 'a')\r
-               keyType = 1;\r
+               parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r
 \r
-       if (param_gethex(Cmd, 3, key, 12)) {\r
-               PrintAndLog("Key must include 12 HEX symbols");\r
-               return 1;\r
-       }\r
+               PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us", \r
+                       SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r
+       } else {\r
+               blockNo = param_get8(Cmd, 1);\r
 \r
-       if (cmdp == 'o' || cmdp == 'O') {\r
-               cmdp = 'o';\r
-               trgBlockNo = param_get8(Cmd, 4);\r
-               ctmp = param_getchar(Cmd, 5);\r
+               ctmp = param_getchar(Cmd, 2);\r
                if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
-                       PrintAndLog("Target key type must be A or B");\r
+                       PrintAndLog("Key type must be A or B");\r
                        return 1;\r
                }\r
+\r
                if (ctmp != 'A' && ctmp != 'a')\r
-                       trgKeyType = 1;\r
-       } else {\r
+                       keyType = 1;\r
 \r
-               switch (cmdp) {\r
-                       case '0': SectorsCnt = 05; break;\r
-                       case '1': SectorsCnt = 16; break;\r
-                       case '2': SectorsCnt = 32; break;\r
-                       case '4': SectorsCnt = 40; break;\r
-                       default:  SectorsCnt = 16;\r
+               if (param_gethex(Cmd, 3, key, 12)) {\r
+                       PrintAndLog("Key must include 12 HEX symbols");\r
+                       return 1;\r
+               }\r
+\r
+               // check if we can authenticate to sector\r
+               res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);\r
+               if (res) {\r
+                       PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
+                       return 3;\r
                }\r
-       }\r
 \r
-       ctmp = param_getchar(Cmd, 4);\r
-       if              (ctmp == 't' || ctmp == 'T') transferToEml = true;\r
-       else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;\r
+               // one sector nested\r
+               if (cmdp == 'o') { \r
+                       trgBlockNo = param_get8(Cmd, 4);\r
 \r
-       ctmp = param_getchar(Cmd, 6);\r
-       transferToEml |= (ctmp == 't' || ctmp == 'T');\r
-       transferToEml |= (ctmp == 'd' || ctmp == 'D');\r
+                       ctmp = param_getchar(Cmd, 5);\r
+                       if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
+                               PrintAndLog("Target key type must be A or B");\r
+                               return 1;\r
+                       }\r
+                       if (ctmp != 'A' && ctmp != 'a')\r
+                               trgKeyType = 1;\r
 \r
-       if (cmdp == 'o') {\r
+                       parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);\r
+               } else {\r
+                       parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);\r
+               }\r
+\r
+               PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us", \r
+                       SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r
+       }\r
+\r
+       // one-sector nested\r
+       if (cmdp == 'o') { // ------------------------------------  one sector working\r
                PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');\r
                int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);\r
                if (isOK) {\r
@@ -619,9 +710,9 @@ int CmdHF14AMfNested(const char *Cmd)
                        if (transferToEml) {\r
                                uint8_t sectortrailer;\r
                                if (trgBlockNo < 32*4) {        // 4 block sector\r
-                                       sectortrailer = (trgBlockNo & 0x03) + 3;\r
+                                       sectortrailer = trgBlockNo | 0x03;\r
                                } else {                                        // 16 block sector\r
-                                       sectortrailer = (trgBlockNo & 0x0f) + 15;\r
+                                       sectortrailer = trgBlockNo | 0x0f;\r
                                }\r
                                mfEmlGetMem(keyBlock, sectortrailer, 1);\r
 \r
@@ -630,6 +721,7 @@ int CmdHF14AMfNested(const char *Cmd)
                                else\r
                                        num_to_bytes(key64, 6, &keyBlock[10]);\r
                                mfEmlSetMem(keyBlock, sectortrailer, 1);\r
+                               PrintAndLog("Key transferred to emulator memory.");\r
                        }\r
                } else {\r
                        PrintAndLog("No valid key found");\r
@@ -643,33 +735,37 @@ int CmdHF14AMfNested(const char *Cmd)
                if (e_sector == NULL) return 1;\r
 \r
                //test current key and additional standard keys first\r
-               memcpy(keyBlock, key, 6);\r
-               num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));\r
-               num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));\r
-               num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));\r
-               num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));\r
-               num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));\r
-               num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));\r
-               num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));\r
-               num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));\r
-               num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));\r
-               num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));\r
-               num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));\r
-               num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));\r
-               num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));\r
+               for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){\r
+                       num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
+               }\r
 \r
                PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r
-               for (i = 0; i < SectorsCnt; i++) {\r
-                       for (j = 0; j < 2; j++) {\r
-                               if (e_sector[i].foundKey[j]) continue;\r
-\r
-                               res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);\r
-\r
-                               if (!res) {\r
-                                       e_sector[i].Key[j] = key64;\r
-                                       e_sector[i].foundKey[j] = 1;\r
+               mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);\r
+               \r
+               // get known key from array\r
+               bool keyFound = false;\r
+               if (autosearchKey) {\r
+                       for (i = 0; i < SectorsCnt; i++) {\r
+                               for (j = 0; j < 2; j++) {\r
+                                       if (e_sector[i].foundKey[j]) {\r
+                                               // get known key\r
+                                               blockNo = i * 4;\r
+                                               keyType = j;\r
+                                               num_to_bytes(e_sector[i].Key[j], 6, key);\r
+                                               keyFound = true;\r
+                                               break;\r
+                                       }\r
                                }\r
+                               if (keyFound) break;\r
+                       }               \r
+\r
+                       // Can't found a key....\r
+                       if (!keyFound) {\r
+                               PrintAndLog("Can't found any of the known keys.");\r
+                               free(e_sector);\r
+                               return 4;\r
                        }\r
+                       PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r
                }\r
 \r
                // nested sectors\r
@@ -702,15 +798,19 @@ int CmdHF14AMfNested(const char *Cmd)
                                                PrintAndLog("Found valid key:%012" PRIx64, key64);\r
                                                e_sector[sectorNo].foundKey[trgKeyType] = 1;\r
                                                e_sector[sectorNo].Key[trgKeyType] = key64;\r
+                                               \r
+                                               // try to check this key as a key to the other sectors\r
+                                               mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);\r
                                        }\r
                                }\r
                        }\r
                }\r
 \r
-               printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);\r
-\r
-               PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);\r
-               //print them\r
+               // print nested statistic\r
+               PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations);\r
+               PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);\r
+               \r
+               // print result\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
                PrintAndLog("|sec|key A           |res|key B           |res|");\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
@@ -720,7 +820,7 @@ int CmdHF14AMfNested(const char *Cmd)
                }\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
 \r
-               // transfer them to the emulator\r
+               // transfer keys to the emulator memory\r
                if (transferToEml) {\r
                        for (i = 0; i < SectorsCnt; i++) {\r
                                mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
@@ -730,6 +830,7 @@ int CmdHF14AMfNested(const char *Cmd)
                                        num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);\r
                                mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);\r
                        }\r
+                       PrintAndLog("Keys transferred to emulator memory.");\r
                }\r
 \r
                // Create dump file\r
@@ -789,6 +890,13 @@ int CmdHF14AMfNestedHard(const char *Cmd)
                PrintAndLog("      w: Acquire nonces and write them to binary file nonces.bin");\r
                PrintAndLog("      s: Slower acquisition (required by some non standard cards)");\r
                PrintAndLog("      r: Read nonces.bin and start attack");\r
+               PrintAndLog("      iX: set type of SIMD instructions. Without this flag programs autodetect it.");\r
+               PrintAndLog("        i5: AVX512");\r
+               PrintAndLog("        i2: AVX2");\r
+               PrintAndLog("        ia: AVX");\r
+               PrintAndLog("        is: SSE2");\r
+               PrintAndLog("        im: MMX");\r
+               PrintAndLog("        in: none (use CPU regular instruction set)");\r
                PrintAndLog(" ");\r
                PrintAndLog("      sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");\r
                PrintAndLog("      sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");\r
@@ -807,15 +915,20 @@ int CmdHF14AMfNestedHard(const char *Cmd)
        int tests = 0;\r
 \r
 \r
+       uint16_t iindx = 0;\r
        if (ctmp == 'R' || ctmp == 'r') {\r
                nonce_file_read = true;\r
+               iindx = 1;\r
                if (!param_gethex(Cmd, 1, trgkey, 12)) {\r
                        know_target_key = true;\r
+                       iindx = 2;\r
                }\r
        } else if (ctmp == 'T' || ctmp == 't') {\r
                tests = param_get32ex(Cmd, 1, 100, 10);\r
+               iindx = 2;\r
                if (!param_gethex(Cmd, 2, trgkey, 12)) {\r
                        know_target_key = true;\r
+                       iindx = 3;\r
                }\r
        } else {\r
                blockNo = param_get8(Cmd, 0);\r
@@ -849,19 +962,54 @@ int CmdHF14AMfNestedHard(const char *Cmd)
                        know_target_key = true;\r
                        i++;\r
                }\r
+               iindx = i;\r
 \r
                while ((ctmp = param_getchar(Cmd, i))) {\r
                        if (ctmp == 's' || ctmp == 'S') {\r
                                slow = true;\r
                        } else if (ctmp == 'w' || ctmp == 'W') {\r
                                nonce_file_write = true;\r
+                       } else if (param_getlength(Cmd, i) == 2 && ctmp == 'i') {\r
+                               iindx = i;\r
                        } else {\r
-                               PrintAndLog("Possible options are w and/or s");\r
+                               PrintAndLog("Possible options are w , s and/or iX");\r
                                return 1;\r
                        }\r
                        i++;\r
                }\r
        }\r
+       \r
+       SetSIMDInstr(SIMD_AUTO);\r
+       if (iindx > 0) {\r
+               while ((ctmp = param_getchar(Cmd, iindx))) {\r
+                       if (param_getlength(Cmd, iindx) == 2 && ctmp == 'i') {\r
+                               switch(param_getchar_indx(Cmd, 1, iindx)) {\r
+                                       case '5':\r
+                                               SetSIMDInstr(SIMD_AVX512);\r
+                                               break;\r
+                                       case '2':\r
+                                               SetSIMDInstr(SIMD_AVX2);\r
+                                               break;\r
+                                       case 'a':\r
+                                               SetSIMDInstr(SIMD_AVX);\r
+                                               break;\r
+                                       case 's':\r
+                                               SetSIMDInstr(SIMD_SSE2);\r
+                                               break;\r
+                                       case 'm':\r
+                                               SetSIMDInstr(SIMD_MMX);\r
+                                               break;\r
+                                       case 'n':\r
+                                               SetSIMDInstr(SIMD_NONE);\r
+                                               break;\r
+                                       default:\r
+                                               PrintAndLog("Unknown SIMD type. %c", param_getchar_indx(Cmd, 1, iindx));\r
+                                               return 1;\r
+                               }\r
+                       }\r
+                       iindx++;\r
+               }       \r
+       }\r
 \r
        PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",\r
                        trgBlockNo,\r
@@ -890,14 +1038,18 @@ int CmdHF14AMfNestedHard(const char *Cmd)
 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|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
+               PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<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("t - write keys to emulator memory");\r
+               PrintAndLog("d  - write keys to binary file\n");\r
+               PrintAndLog("t  - write keys to emulator memory");\r
+               PrintAndLog("s  - slow execute. timeout 1ms");\r
+               PrintAndLog("ss - very slow execute. timeout 5ms");\r
                PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
                PrintAndLog("              hf mf chk *1 ? t");\r
                PrintAndLog("              hf mf chk *1 ? d");\r
+               PrintAndLog("              hf mf chk *1 ? s");\r
+               PrintAndLog("              hf mf chk *1 ? dss");\r
                return 0;\r
        }\r
 \r
@@ -910,75 +1062,62 @@ int CmdHF14AMfChk(const char *Cmd)
        int i, res;\r
        int     keycnt = 0;\r
        char ctmp       = 0x00;\r
+       int clen = 0;\r
        uint8_t blockNo = 0;\r
-       uint8_t SectorsCnt = 1;\r
+       uint8_t SectorsCnt = 0;\r
        uint8_t keyType = 0;\r
        uint64_t key64 = 0;\r
+       // timeout in units. (ms * 106)/10 or us*0.0106\r
+       uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default\r
+       bool param3InUse = false;\r
 \r
-       int transferToEml = 0;\r
-       int createDumpFile = 0;\r
+       bool transferToEml = 0;\r
+       bool createDumpFile = 0;\r
+       \r
+       sector_t *e_sector = NULL;\r
 \r
        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r
-       uint64_t defaultKeys[] =\r
-       {\r
-               0xffffffffffff, // Default key (first key used by program if no user defined key)\r
-               0x000000000000, // Blank key\r
-               0xa0a1a2a3a4a5, // NFCForum MAD key\r
-               0xb0b1b2b3b4b5,\r
-               0xaabbccddeeff,\r
-               0x4d3a99c351dd,\r
-               0x1a982c7e459a,\r
-               0xd3f7d3f7d3f7,\r
-               0x714c5c886e97,\r
-               0x587ee5f9350f,\r
-               0xa0478cc39091,\r
-               0x533cb6c723f6,\r
-               0x8fd0a4f256e9\r
-       };\r
-       int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);\r
-\r
-       for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)\r
-       {\r
-               num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
+       int defaultKeysSize = MifareDefaultKeysSize;\r
+       for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){\r
+               num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
        }\r
 \r
        if (param_getchar(Cmd, 0)=='*') {\r
-               blockNo = 3;\r
-               switch(param_getchar(Cmd+1, 0)) {\r
-                       case '0': SectorsCnt =  5; break;\r
-                       case '1': SectorsCnt = 16; break;\r
-                       case '2': SectorsCnt = 32; break;\r
-                       case '4': SectorsCnt = 40; break;\r
-                       default:  SectorsCnt = 16;\r
-               }\r
+               SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));\r
        }\r
        else\r
                blockNo = param_get8(Cmd, 0);\r
 \r
        ctmp = param_getchar(Cmd, 1);\r
-       switch (ctmp) {\r
-       case 'a': case 'A':\r
-               keyType = !0;\r
-               break;\r
-       case 'b': case 'B':\r
-               keyType = !1;\r
-               break;\r
-       case '?':\r
-               keyType = 2;\r
-               break;\r
-       default:\r
-               PrintAndLog("Key type must be A , B or ?");\r
-               free(keyBlock);\r
-               return 1;\r
-       };\r
+       clen = param_getlength(Cmd, 1);\r
+       if (clen == 1) {\r
+               switch (ctmp) {\r
+               case 'a': case 'A':\r
+                       keyType = 0;\r
+                       break;\r
+               case 'b': case 'B':\r
+                       keyType = 1;\r
+                       break;\r
+               case '?':\r
+                       keyType = 2;\r
+                       break;\r
+               default:\r
+                       PrintAndLog("Key type must be A , B or ?");\r
+                       free(keyBlock);\r
+                       return 1;\r
+               };\r
+       }\r
 \r
-       ctmp = param_getchar(Cmd, 2);\r
-       if              (ctmp == 't' || ctmp == 'T') transferToEml = 1;\r
-       else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;\r
+       parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r
+       \r
+       param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT);\r
 \r
-       for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {\r
+       PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us", \r
+                       SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);\r
+       \r
+       for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {\r
                if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {\r
                        if ( stKeyBlock - keycnt < 2) {\r
                                p = realloc(keyBlock, 6*(stKeyBlock+=10));\r
@@ -995,7 +1134,7 @@ int CmdHF14AMfChk(const char *Cmd)
                        keycnt++;\r
                } else {\r
                        // May be a dic file\r
-                       if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {\r
+                       if ( param_getstr(Cmd, 2 + i, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {\r
                                PrintAndLog("File name too long");\r
                                free(keyBlock);\r
                                return 2;\r
@@ -1010,7 +1149,7 @@ int CmdHF14AMfChk(const char *Cmd)
 \r
                                        if( buf[0]=='#' ) continue;     //The line start with # is comment, skip\r
 \r
-                                       if (!isxdigit(buf[0])){\r
+                                       if (!isxdigit((unsigned char)buf[0])){\r
                                                PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
                                                continue;\r
                                        }\r
@@ -1043,6 +1182,7 @@ int CmdHF14AMfChk(const char *Cmd)
                }\r
        }\r
 \r
+       // fill with default keys\r
        if (keycnt == 0) {\r
                PrintAndLog("No key specified, trying default keys");\r
                for (;keycnt < defaultKeysSize; keycnt++)\r
@@ -1052,47 +1192,87 @@ int CmdHF14AMfChk(const char *Cmd)
        }\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
+       e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
+       if (e_sector == NULL) {\r
+               free(keyBlock);\r
+               return 1;\r
+       }\r
+       for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {\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
+                       e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;\r
+                       e_sector[sectorNo].foundKey[keyAB] = 0;\r
                }\r
        }\r
+       printf("\n");\r
+\r
+       bool foundAKey = false;\r
+       uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;\r
+       if (SectorsCnt) {\r
+               PrintAndLog("To cancel this operation press the button on the proxmark...");\r
+               printf("--");\r
+               for (uint32_t c = 0; c < keycnt; c += max_keys) {\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("--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
+                       uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
+                       res = mfCheckKeysSec(SectorsCnt, keyType, btimeout14a, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106\r
+\r
+                       if (res != 1) {\r
+                               if (!res) {\r
+                                       printf("o");\r
+                                       foundAKey = true;\r
+                               } else {\r
+                                       printf(".");\r
+                               }\r
+                       } else {\r
+                               printf("\n");\r
+                               PrintAndLog("Command execute timeout");\r
+                       }\r
+               }\r
+       } else {\r
+               int keyAB = keyType;\r
+               do {\r
                        for (uint32_t c = 0; c < keycnt; c+=max_keys) {\r
-                               uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;\r
-                               res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);\r
+\r
+                               uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
+                               res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64); \r
+\r
                                if (res != 1) {\r
                                        if (!res) {\r
-                                               PrintAndLog("Found valid key:[%012" PRIx64 "]",key64);\r
-                                               num_to_bytes(key64, 6, foundKey[t][i]);\r
-                                               validKey[t][i] = true;\r
+                                               PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);\r
+                                               foundAKey = true;\r
                                        }\r
                                } else {\r
                                        PrintAndLog("Command execute timeout");\r
                                }\r
                        }\r
-                       b<127?(b+=4):(b+=16);\r
-               }\r
+               } while(--keyAB > 0);\r
        }\r
-\r
+       \r
+       // print result\r
+       if (foundAKey) {\r
+               if (SectorsCnt) {\r
+                       PrintAndLog("");\r
+                       PrintAndLog("|---|----------------|---|----------------|---|");\r
+                       PrintAndLog("|sec|key A           |res|key B           |res|");\r
+                       PrintAndLog("|---|----------------|---|----------------|---|");\r
+                       for (i = 0; i < SectorsCnt; i++) {\r
+                               PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,\r
+                                       e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r
+                       }\r
+                       PrintAndLog("|---|----------------|---|----------------|---|");\r
+               }\r
+       } else {\r
+               PrintAndLog("");\r
+               PrintAndLog("No valid keys found.");\r
+       }       \r
+       \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
+                       if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) {\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
+                                       if (e_sector[sectorNo].foundKey[t]) {\r
+                                               num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);\r
                                        }\r
                                }\r
                                mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);\r
@@ -1105,16 +1285,22 @@ int CmdHF14AMfChk(const char *Cmd)
                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
-               for (uint16_t t = 0; t < 2; t++) {\r
-                       fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);\r
+               uint8_t mkey[6];\r
+               for (uint8_t t = 0; t < 2; t++) {\r
+                       for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
+                               num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey);\r
+                               fwrite(mkey, 1, 6, fkeys);\r
+                       }\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
+       free(e_sector);\r
        free(keyBlock);\r
        PrintAndLog("");\r
        return 0;\r
@@ -1274,7 +1460,7 @@ int CmdHF14AMf1kSim(const char *Cmd) {
                        break;\r
                case 'f':\r
                case 'F':\r
-                       len = param_getstr(Cmd, cmdp+1, filename);\r
+                       len = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));\r
                        if (len < 1) {\r
                                PrintAndLog("error no filename found");\r
                                return 0;\r
@@ -1509,10 +1695,7 @@ int CmdHF14AMfESet(const char *Cmd)
        }\r
 \r
        //  1 - blocks count\r
-       UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};\r
-       memcpy(c.d.asBytes, memBlock, 16);\r
-       SendCommand(&c);\r
-       return 0;\r
+       return mfEmlSetMem(memBlock, blockNo, 1);\r
 }\r
 \r
 \r
@@ -1550,7 +1733,7 @@ int CmdHF14AMfELoad(const char *Cmd)
                }\r
        }\r
 \r
-       len = param_getstr(Cmd,nameParamNo,filename);\r
+       len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));\r
 \r
        if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
 \r
@@ -1649,7 +1832,7 @@ int CmdHF14AMfESave(const char *Cmd)
                }\r
        }\r
 \r
-       len = param_getstr(Cmd,nameParamNo,filename);\r
+       len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));\r
 \r
        if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
 \r
@@ -1731,7 +1914,7 @@ int CmdHF14AMfECFill(const char *Cmd)
                default:   numSectors = 16;\r
        }\r
 \r
-       printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);\r
+       printf("--params: numSectors: %d, keyType:%d\n", numSectors, keyType);\r
        UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};\r
        SendCommand(&c);\r
        return 0;\r
@@ -1854,17 +2037,6 @@ int CmdHF14AMfCSetUID(const char *Cmd)
        return 0;\r
 }\r
 \r
-static int ParamGetCardSize(const char c) {\r
-       int numBlocks = 16 * 4;\r
-       switch (c) {\r
-               case '0' : numBlocks = 5 * 4; break;\r
-               case '2' : numBlocks = 32 * 4; break;\r
-               case '4' : numBlocks = 32 * 4 + 8 * 16; break;\r
-               default:   numBlocks = 16 * 4;\r
-       }\r
-       return numBlocks;\r
-}\r
-\r
 int CmdHF14AMfCWipe(const char *Cmd)\r
 {\r
        int res, gen = 0;\r
@@ -1873,8 +2045,8 @@ int CmdHF14AMfCWipe(const char *Cmd)
        bool fillCard = false;\r
        \r
        if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
-               PrintAndLog("Usage:  hf mf cwipe [card size] [w] [p]");\r
-               PrintAndLog("sample:  hf mf cwipe 1 w s");\r
+               PrintAndLog("Usage:  hf mf cwipe [card size] [w] [f]");\r
+               PrintAndLog("sample:  hf mf cwipe 1 w f");\r
                PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");\r
                PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)");\r
                PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)");\r
@@ -1885,7 +2057,7 @@ int CmdHF14AMfCWipe(const char *Cmd)
        if ((gen != 1) && (gen != 2)) \r
                return 1;\r
        \r
-       numBlocks = ParamGetCardSize(param_getchar(Cmd, 0));\r
+       numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0));\r
 \r
        char cmdp = 0;\r
        while(param_getchar(Cmd, cmdp) != 0x00){\r
@@ -2024,7 +2196,7 @@ int CmdHF14AMfCLoad(const char *Cmd)
                }\r
                return 0;\r
        } else {\r
-               param_getstr(Cmd, 0, filename);\r
+               param_getstr(Cmd, 0, filename, sizeof(filename));\r
 \r
                len = strlen(filename);\r
                if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
@@ -2123,6 +2295,20 @@ int CmdHF14AMfCGetBlk(const char *Cmd) {
                }\r
 \r
        PrintAndLog("block data:%s", sprint_hex(memBlock, 16));\r
+       \r
+       if (mfIsSectorTrailer(blockNo)) {\r
+               PrintAndLogEx(NORMAL, "Trailer decoded:");\r
+               PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));\r
+               PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));\r
+               int bln = mfFirstBlockOfSector(mfSectorNum(blockNo));\r
+               int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1;\r
+               for (int i = 0; i < 4; i++) {\r
+                       PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));\r
+                       bln += blinc;\r
+               }\r
+               PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));\r
+       }\r
+       \r
        return 0;\r
 }\r
 \r
@@ -2173,6 +2359,19 @@ int CmdHF14AMfCGetSc(const char *Cmd) {
                }\r
 \r
                PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));\r
+               \r
+               if (mfIsSectorTrailer(baseblock + i)) {\r
+                PrintAndLogEx(NORMAL, "Trailer decoded:");\r
+                PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6));\r
+                PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6));\r
+                int bln = baseblock;\r
+                int blinc = (mfNumBlocksPerSector(sectorNo) > 4) ? 5 : 1;\r
+                for (int i = 0; i < 4; i++) {\r
+                        PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6]));\r
+                        bln += blinc;\r
+                }\r
+                PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1));\r
+        }\r
        }\r
        return 0;\r
 }\r
@@ -2235,7 +2434,7 @@ int CmdHF14AMfCSave(const char *Cmd) {
                }\r
                return 0;\r
        } else {\r
-               param_getstr(Cmd, 0, filename);\r
+               param_getstr(Cmd, 0, filename, sizeof(filename));\r
 \r
                len = strlen(filename);\r
                if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
@@ -2308,6 +2507,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        //var\r
        int res = 0;\r
        int len = 0;\r
+       int parlen = 0;\r
        int blockLen = 0;\r
        int pckNum = 0;\r
        int num = 0;\r
@@ -2319,6 +2519,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        uint8_t *buf = NULL;\r
        uint16_t bufsize = 0;\r
        uint8_t *bufPtr = NULL;\r
+       uint8_t parity[16];\r
 \r
        char ctmp = param_getchar(Cmd, 0);\r
        if ( ctmp == 'h' || ctmp == 'H' ) {\r
@@ -2362,14 +2563,13 @@ int CmdHF14AMfSniff(const char *Cmd){
                }\r
 \r
                UsbCommand resp;\r
-               if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {\r
+               if (WaitForResponseTimeoutW(CMD_ACK, &resp, 2000, false)) {\r
                        res = resp.arg[0] & 0xff;\r
                        uint16_t traceLen = resp.arg[1];\r
                        len = resp.arg[2];\r
 \r
                        if (res == 0) {                                                         // we are done\r
-                               free(buf);\r
-                               return 0;\r
+                               break;\r
                        }\r
 \r
                        if (res == 1) {                                                         // there is (more) data to be transferred\r
@@ -2411,6 +2611,7 @@ int CmdHF14AMfSniff(const char *Cmd){
                                        } else {\r
                                                isTag = false;\r
                                        }\r
+                                       parlen = (len - 1) / 8 + 1;\r
                                        bufPtr += 2;\r
                                        if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
                                                memcpy(uid, bufPtr + 2, 7);\r
@@ -2429,15 +2630,22 @@ int CmdHF14AMfSniff(const char *Cmd){
                                                if (wantDecrypt)\r
                                                        mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
                                        } else {\r
-                                               PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));\r
+                                               oddparitybuf(bufPtr, len, parity);\r
+                                               PrintAndLog("%s(%d):%s [%s] c[%s]%c", \r
+                                                       isTag ? "TAG":"RDR", \r
+                                                       num, \r
+                                                       sprint_hex(bufPtr, len), \r
+                                                       printBitsPar(bufPtr + len, len), \r
+                                                       printBitsPar(parity, len),\r
+                                                       memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' ');\r
                                                if (wantLogToFile)\r
                                                        AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
                                                if (wantDecrypt)\r
-                                                       mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
+                                                       mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile);\r
                                                num++;\r
                                        }\r
                                        bufPtr += len;\r
-                                       bufPtr += ((len-1)/8+1);        // ignore parity\r
+                                       bufPtr += parlen;       // ignore parity\r
                                }\r
                                pckNum = 0;\r
                        }\r
@@ -2445,6 +2653,9 @@ int CmdHF14AMfSniff(const char *Cmd){
        } // while (true)\r
 \r
        free(buf);\r
+       \r
+       msleep(300); // wait for exiting arm side.\r
+       PrintAndLog("Done.");\r
        return 0;\r
 }\r
 \r
@@ -2456,6 +2667,42 @@ int CmdDecryptTraceCmds(const char *Cmd){
        return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);\r
 }\r
 \r
+int CmdHF14AMfAuth4(const char *cmd) {\r
+       uint8_t keyn[20] = {0};\r
+       int keynlen = 0;\r
+       uint8_t key[16] = {0};\r
+       int keylen = 0;\r
+\r
+       CLIParserInit("hf mf auth4", \r
+               "Executes AES authentication command in ISO14443-4", \r
+               "Usage:\n\thf mf auth4 4000 000102030405060708090a0b0c0d0e0f -> executes authentication\n"\r
+                       "\thf mf auth4 9003 FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF -> executes authentication\n");\r
+\r
+       void* argtable[] = {\r
+               arg_param_begin,\r
+               arg_str1(NULL,  NULL,     "<Key Num (HEX 2 bytes)>", NULL),\r
+               arg_str1(NULL,  NULL,     "<Key Value (HEX 16 bytes)>", NULL),\r
+               arg_param_end\r
+       };\r
+       CLIExecWithReturn(cmd, argtable, true);\r
+       \r
+       CLIGetHexWithReturn(1, keyn, &keynlen);\r
+       CLIGetHexWithReturn(2, key, &keylen);\r
+       CLIParserFree();\r
+       \r
+       if (keynlen != 2) {\r
+               PrintAndLog("ERROR: <Key Num> must be 2 bytes long instead of: %d", keynlen);\r
+               return 1;\r
+       }\r
+       \r
+       if (keylen != 16) {\r
+               PrintAndLog("ERROR: <Key Value> must be 16 bytes long instead of: %d", keylen);\r
+               return 1;\r
+       }\r
+\r
+       return MifareAuth4(NULL, keyn, key, true, false, true);\r
+}\r
+\r
 static command_t CommandTable[] =\r
 {\r
   {"help",             CmdHelp,                 1, "This help"},\r
@@ -2465,6 +2712,7 @@ static command_t CommandTable[] =
   {"dump",             CmdHF14AMfDump,          0, "Dump MIFARE classic tag to binary file"},\r
   {"restore",                 CmdHF14AMfRestore,       0, "Restore MIFARE classic binary file to BLANK tag"},\r
   {"wrbl",             CmdHF14AMfWrBl,          0, "Write MIFARE classic block"},\r
+  {"auth4",            CmdHF14AMfAuth4,         0, "ISO14443-4 AES authentication"},\r
   {"chk",              CmdHF14AMfChk,           0, "Test block keys"},\r
   {"mifare",           CmdHF14AMifare,          0, "Read parity error messages."},\r
   {"hardnested",       CmdHF14AMfNestedHard,    0, "Nested attack for hardened Mifare cards"},\r
@@ -2491,11 +2739,9 @@ static command_t CommandTable[] =
 \r
 int CmdHFMF(const char *Cmd)\r
 {\r
-       // flush\r
-       WaitForResponseTimeout(CMD_ACK,NULL,100);\r
-\r
-  CmdsParse(CommandTable, Cmd);\r
-  return 0;\r
+       (void)WaitForResponseTimeout(CMD_ACK,NULL,100);\r
+       CmdsParse(CommandTable, Cmd);\r
+       return 0;\r
 }\r
 \r
 int CmdHelp(const char *Cmd)\r
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