Fix 15 snoop (#752)

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index ddfb1c024f12ed79763149c8b17813cb7b7d653f..b5c1b006e4ad93ccd50afa96f0d3c61dbf820d2a 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -15,9 +15,10 @@
 #include <stdio.h>\r
 #include <stdlib.h>\r
 #include <ctype.h>\r
 #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 "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 "util.h"\r
 #include "util_posix.h"\r
 #include "usb_cmd.h"\r


@@ -26,6 +27,9 @@
 #include "mifare.h"\r
 #include "mfkey.h"\r
 #include "hardnested/hardnested_bf_core.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
 \r
 #define NESTED_SECTOR_RETRY     10                     // how often we try mfested() until we give up\r
 \r


@@ -137,12 +141,26 @@ int CmdHF14AMfRdBl(const char *Cmd)
                uint8_t isOK  = resp.arg[0] & 0xff;\r
                uint8_t *data = resp.d.asBytes;\r
 \r
                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
                        PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));\r

-               else\r
+               } else {\r

                        PrintAndLog("isOk:%02x", isOK);\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
        } else {\r
                PrintAndLog("Command execute timeout");\r

+               return 2;\r

        }\r
 \r
   return 0;\r
        }\r
 \r
   return 0;\r


@@ -197,6 +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
                                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
                }\r
        } else {\r
                PrintAndLog("Command execute timeout");\r


@@ -530,7 +557,7 @@ int CmdHF14AMfRestore(const char *Cmd)
 //----------------------------------------------\r
 \r
 static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {\r
 //----------------------------------------------\r
 \r
 static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {\r

-       char ctmp3[3] = {0};\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
        int len = param_getlength(Cmd, indx);\r
        if (len > 0 && len < 4){\r
                param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));\r


@@ -683,9 +710,9 @@ int CmdHF14AMfNested(const char *Cmd)
                        if (transferToEml) {\r
                                uint8_t sectortrailer;\r
                                if (trgBlockNo < 32*4) {        // 4 block sector\r
                        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
                                } else {                                        // 16 block sector\r

-                                       sectortrailer = (trgBlockNo & 0x0f) + 15;\r
+                                       sectortrailer = trgBlockNo | 0x0f;\r

                                }\r
                                mfEmlGetMem(keyBlock, sectortrailer, 1);\r
 \r
                                }\r
                                mfEmlGetMem(keyBlock, sectortrailer, 1);\r
 \r


@@ -725,7 +752,6 @@ int CmdHF14AMfNested(const char *Cmd)
                                                blockNo = i * 4;\r
                                                keyType = j;\r
                                                num_to_bytes(e_sector[i].Key[j], 6, key);\r
                                                blockNo = i * 4;\r
                                                keyType = j;\r
                                                num_to_bytes(e_sector[i].Key[j], 6, key);\r

-                                               \r

                                                keyFound = true;\r
                                                break;\r
                                        }\r
                                                keyFound = true;\r
                                                break;\r
                                        }\r


@@ -736,6 +762,7 @@ int CmdHF14AMfNested(const char *Cmd)
                        // Can't found a key....\r
                        if (!keyFound) {\r
                                PrintAndLog("Can't found any of the known keys.");\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
                                return 4;\r
                        }\r
                        PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));\r


@@ -1014,10 +1041,10 @@ int CmdHF14AMfChk(const char *Cmd)
                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("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("s - slow execute. timeout 1ms");\r
-               PrintAndLog("ss- very slow execute. timeout 5ms");\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("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
                PrintAndLog("              hf mf chk *1 ? t");\r
                PrintAndLog("              hf mf chk *1 ? d");\r


@@ -1036,16 +1063,16 @@ int CmdHF14AMfChk(const char *Cmd)
        int     keycnt = 0;\r
        char ctmp       = 0x00;\r
        int clen = 0;\r
        int     keycnt = 0;\r
        char ctmp       = 0x00;\r
        int clen = 0;\r

-       char ctmp3[3]   = {0x00};\r

        uint8_t blockNo = 0;\r
        uint8_t SectorsCnt = 0;\r
        uint8_t keyType = 0;\r
        uint64_t key64 = 0;\r
        uint8_t blockNo = 0;\r
        uint8_t SectorsCnt = 0;\r
        uint8_t keyType = 0;\r
        uint64_t key64 = 0;\r

-       uint32_t timeout14a = 0; // timeout in us\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
        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
        \r
        sector_t *e_sector = NULL;\r
 \r


@@ -1083,33 +1110,13 @@ int CmdHF14AMfChk(const char *Cmd)
                };\r
        }\r
 \r
                };\r
        }\r
 \r

-       // transfer to emulator & create dump file\r
-       ctmp = param_getchar(Cmd, 2);\r
-       clen = param_getlength(Cmd, 2);\r
-       if (clen == 1 && (ctmp == 't' || ctmp == 'T')) transferToEml = 1;\r
-       if (clen == 1 && (ctmp == 'd' || ctmp == 'D')) createDumpFile = 1;\r
-       \r
-       param3InUse = transferToEml | createDumpFile;\r
+       parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r

        \r
        \r

-       timeout14a = 500; // fast by default\r
-       // double parameters - ts, ds\r
-       clen = param_getlength(Cmd, 2);\r
-       if (clen == 2 || clen == 3){\r
-               param_getstr(Cmd, 2, ctmp3, sizeof(ctmp3));\r
-               ctmp = ctmp3[1];\r
-       }\r
-       //parse\r
-       if (ctmp == 's' || ctmp == 'S') {\r
-               timeout14a = 1000; // slow\r
-               if (!param3InUse && clen == 2 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {\r
-                       timeout14a = 5000; // very slow\r
-               }\r
-               if (param3InUse && clen == 3 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {\r
-                       timeout14a = 5000; // very slow\r
-               }\r
-               param3InUse = true;\r
-       }\r
+       param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT);\r

 \r
 \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
        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


@@ -1186,7 +1193,10 @@ int CmdHF14AMfChk(const char *Cmd)
 \r
        // initialize storage for found keys\r
        e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
 \r
        // initialize storage for found keys\r
        e_sector = calloc(SectorsCnt, sizeof(sector_t));\r

-       if (e_sector == NULL) return 1;\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
                        e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;\r
        for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {\r
                for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {\r
                        e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;\r


@@ -1203,7 +1213,7 @@ int CmdHF14AMfChk(const char *Cmd)
                for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
 \r
                        uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
                for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
 \r
                        uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r

-                       res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106\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
 \r
                        if (res != 1) {\r
                                if (!res) {\r


@@ -2285,6 +2295,20 @@ int CmdHF14AMfCGetBlk(const char *Cmd) {
                }\r
 \r
        PrintAndLog("block data:%s", sprint_hex(memBlock, 16));\r
                }\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
        return 0;\r
 }\r
 \r


@@ -2335,6 +2359,19 @@ int CmdHF14AMfCGetSc(const char *Cmd) {
                }\r
 \r
                PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));\r
                }\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
        }\r
        return 0;\r
 }\r


@@ -2470,6 +2507,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        //var\r
        int res = 0;\r
        int len = 0;\r
        //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
        int blockLen = 0;\r
        int pckNum = 0;\r
        int num = 0;\r


@@ -2481,6 +2519,7 @@ int CmdHF14AMfSniff(const char *Cmd){
        uint8_t *buf = NULL;\r
        uint16_t bufsize = 0;\r
        uint8_t *bufPtr = NULL;\r
        uint8_t *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
 \r
        char ctmp = param_getchar(Cmd, 0);\r
        if ( ctmp == 'h' || ctmp == 'H' ) {\r


@@ -2572,6 +2611,7 @@ int CmdHF14AMfSniff(const char *Cmd){
                                        } else {\r
                                                isTag = false;\r
                                        }\r
                                        } 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
                                        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


@@ -2590,15 +2630,22 @@ int CmdHF14AMfSniff(const char *Cmd){
                                                if (wantDecrypt)\r
                                                        mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
                                        } else {\r
                                                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
                                                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
                                                num++;\r
                                        }\r
                                        bufPtr += len;\r

-                                       bufPtr += ((len-1)/8+1);        // ignore parity\r
+                                       bufPtr += parlen;       // ignore parity\r

                                }\r
                                pckNum = 0;\r
                        }\r
                                }\r
                                pckNum = 0;\r
                        }\r


@@ -2620,6 +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
        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
 static command_t CommandTable[] =\r
 {\r
   {"help",             CmdHelp,                 1, "This help"},\r


@@ -2629,6 +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
   {"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
   {"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


@@ -2655,11 +2739,9 @@ static command_t CommandTable[] =
 \r
 int CmdHFMF(const char *Cmd)\r
 {\r
 \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
 }\r
 \r
 int CmdHelp(const char *Cmd)\r