diff --git a/client/Makefile b/client/Makefile
index a6d987560..4babb528f 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -134,6 +134,7 @@ CORESRCS =  uart_posix.c \
 
 CMDSRCS =   crapto1/crapto1.c \
             crapto1/crypto1.c \
+            mifare/mifaredefault.c \
             mifare/mfkey.c \
             tea.c \
             fido/additional_ca.c \
diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 777b7d25c..9c1004439 100644
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -551,30 +551,29 @@ int CmdHF14ASniff(const char *Cmd) {
     return PM3_SUCCESS;
 }
 
-int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool silentMode) {
     static uint8_t responseNum = 0;
     uint16_t cmdc = 0;
     *dataoutlen = 0;
 
     if (activateField) {
-        responseNum = 1;
         PacketResponseNG resp;
 
         // Anticollision + SELECT card
         SendCommandMIX(CMD_HF_ISO14443A_READER, ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0, NULL, 0);
         if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-            PrintAndLogEx(ERR, "Proxmark3 connection timeout.");
+            if (!silentMode) PrintAndLogEx(ERR, "Proxmark3 connection timeout.");
             return 1;
         }
 
         // check result
         if (resp.oldarg[0] == 0) {
-            PrintAndLogEx(ERR, "No card in field.");
+            if (!silentMode) PrintAndLogEx(ERR, "No card in field.");
             return 1;
         }
 
         if (resp.oldarg[0] != 1 && resp.oldarg[0] != 2) {
-            PrintAndLogEx(ERR, "Card not in iso14443-4. res=%" PRId64 ".", resp.oldarg[0]);
+            if (!silentMode) PrintAndLogEx(ERR, "Card not in iso14443-4. res=%" PRId64 ".", resp.oldarg[0]);
             return 1;
         }
 
@@ -583,12 +582,12 @@ int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leav
             uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
             SendCommandOLD(CMD_HF_ISO14443A_READER, ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0, rats, 2);
             if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-                PrintAndLogEx(ERR, "Proxmark3 connection timeout.");
+                if (!silentMode) PrintAndLogEx(ERR, "Proxmark3 connection timeout.");
                 return 1;
             }
 
             if (resp.oldarg[0] == 0) { // ats_len
-                PrintAndLogEx(ERR, "Can't get ATS.");
+                if (!silentMode) PrintAndLogEx(ERR, "Can't get ATS.");
                 return 1;
             }
         }
@@ -610,7 +609,7 @@ int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leav
         int iLen = resp.oldarg[0];
 
         if (!iLen) {
-            PrintAndLogEx(ERR, "No card response.");
+            if (!silentMode) PrintAndLogEx(ERR, "No card response.");
             return 1;
         }
 
@@ -619,12 +618,12 @@ int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leav
             *dataoutlen = 0;
 
         if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
-            PrintAndLogEx(ERR, "Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+            if (!silentMode) PrintAndLogEx(ERR, "Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
             return 2;
         }
 
         if (recv[0] != data[0]) {
-            PrintAndLogEx(ERR, "iso14443-4 framing error. Card send %2x must be %2x", dataout[0], data[0]);
+            if (!silentMode) PrintAndLogEx(ERR, "iso14443-4 framing error. Card send %2x must be %2x", dataout[0], data[0]);
             return 2;
         }
 
@@ -632,12 +631,12 @@ int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leav
 
         // CRC Check
         if (iLen == -1) {
-            PrintAndLogEx(ERR, "ISO 14443A CRC error.");
+            if (!silentMode) PrintAndLogEx(ERR, "ISO 14443A CRC error.");
             return 3;
         }
 
     } else {
-        PrintAndLogEx(ERR, "Reply timeout.");
+        if (!silentMode) PrintAndLogEx(ERR, "Reply timeout.");
         return 4;
     }
 
diff --git a/client/cmdhf14a.h b/client/cmdhf14a.h
index fcea5f5cf..f40ea46f0 100644
--- a/client/cmdhf14a.h
+++ b/client/cmdhf14a.h
@@ -30,6 +30,6 @@ int infoHF14A(bool verbose, bool do_nack_test, bool do_aid_search);
 const char *getTagInfo(uint8_t uid);
 int Hf14443_4aGetCardData(iso14a_card_select_t *card);
 int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
-int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
+int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool silentMode);
 
 #endif
diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 23b418599..ad6fe31b2 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -13,7 +13,7 @@
 #include <ctype.h>
 
 #include "cmdparser.h"    // command_t
-#include "commonutil.h"  // ARRAYLEN
+#include "commonutil.h"   // ARRAYLEN
 #include "comms.h"        // clearCommandBuffer
 #include "fileutils.h"
 #include "cmdtrace.h"
@@ -4211,7 +4211,7 @@ static int CmdHF14AMfAuth4(const char *Cmd) {
         return PM3_ESOFT;
     }
 
-    return MifareAuth4(NULL, keyn, key, true, false, true);
+    return MifareAuth4(NULL, keyn, key, true, false, true, true, false);
 }
 
 // https://www.nxp.com/docs/en/application-note/AN10787.pdf
diff --git a/client/cmdhfmfp.c b/client/cmdhfmfp.c
index c6af6305a..affd9dd6c 100644
--- a/client/cmdhfmfp.c
+++ b/client/cmdhfmfp.c
@@ -88,7 +88,7 @@ static int CmdHFMFPInfo(const char *cmd) {
                 int datalen = 0;
                 // https://github.com/Proxmark/proxmark3/blob/master/client/luascripts/mifarePlus.lua#L161
                 uint8_t cmd[3 + 16] = {0xa8, 0x90, 0x90, 0x00};
-                int res = ExchangeRAW14a(cmd, sizeof(cmd), false, false, data, sizeof(data), &datalen);
+                int res = ExchangeRAW14a(cmd, sizeof(cmd), false, false, data, sizeof(data), &datalen, false);
                 if (!res && datalen > 1 && data[0] == 0x09) {
                     SLmode = 0;
                 }
@@ -105,7 +105,7 @@ static int CmdHFMFPInfo(const char *cmd) {
 
     DropField();
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPWritePerso(const char *cmd) {
@@ -169,7 +169,7 @@ static int CmdHFMFPWritePerso(const char *cmd) {
     }
     PrintAndLogEx(INFO, "Write OK.");
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 uint16_t CardAddresses[] = {0x9000, 0x9001, 0x9002, 0x9003, 0x9004, 0xA000, 0xA001, 0xA080, 0xA081, 0xC000, 0xC001};
@@ -245,7 +245,7 @@ static int CmdHFMFPInitPerso(const char *cmd) {
 
     PrintAndLogEx(INFO, "Done.");
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPCommitPerso(const char *cmd) {
@@ -286,7 +286,7 @@ static int CmdHFMFPCommitPerso(const char *cmd) {
     }
     PrintAndLogEx(INFO, "Switch level OK.");
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPAuth(const char *cmd) {
@@ -324,7 +324,7 @@ static int CmdHFMFPAuth(const char *cmd) {
         return 1;
     }
 
-    return MifareAuth4(NULL, keyn, key, true, false, verbose);
+    return MifareAuth4(NULL, keyn, key, true, false, true, verbose, false);
 }
 
 static int CmdHFMFPRdbl(const char *cmd) {
@@ -392,7 +392,7 @@ static int CmdHFMFPRdbl(const char *cmd) {
         PrintAndLogEx(INFO, "--block:%d sector[%d]:%02x key:%04x", blockn, mfNumBlocksPerSector(sectorNum), sectorNum, uKeyNum);
 
     mf4Session mf4session;
-    int res = MifareAuth4(&mf4session, keyn, key, true, true, verbose);
+    int res = MifareAuth4(&mf4session, keyn, key, true, true, true, verbose, false);
     if (res) {
         PrintAndLogEx(ERR, "Authentication error: %d", res);
         return res;
@@ -491,7 +491,7 @@ static int CmdHFMFPRdsc(const char *cmd) {
         PrintAndLogEx(INFO, "--sector[%d]:%02x key:%04x", mfNumBlocksPerSector(sectorNum), sectorNum, uKeyNum);
 
     mf4Session mf4session;
-    int res = MifareAuth4(&mf4session, keyn, key, true, true, verbose);
+    int res = MifareAuth4(&mf4session, keyn, key, true, true, true, verbose, false);
     if (res) {
         PrintAndLogEx(ERR, "Authentication error: %d", res);
         return res;
@@ -532,7 +532,7 @@ static int CmdHFMFPRdsc(const char *cmd) {
     }
     DropField();
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPWrbl(const char *cmd) {
@@ -595,7 +595,7 @@ static int CmdHFMFPWrbl(const char *cmd) {
         PrintAndLogEx(INFO, "--block:%d sector[%d]:%02x key:%04x", blockNum & 0xff, mfNumBlocksPerSector(sectorNum), sectorNum, uKeyNum);
 
     mf4Session mf4session;
-    int res = MifareAuth4(&mf4session, keyn, key, true, true, verbose);
+    int res = MifareAuth4(&mf4session, keyn, key, true, true, true, verbose, false);
     if (res) {
         PrintAndLogEx(ERR, "Authentication error: %d", res);
         return res;
@@ -634,7 +634,40 @@ static int CmdHFMFPWrbl(const char *cmd) {
 
     DropField();
     PrintAndLogEx(INFO, "Write OK.");
-    return 0;
+    return PM3_SUCCESS;
+}
+
+static int CmdHFMFPChk() {
+    int res;
+    bool selectCard = true;
+    
+    uint8_t startSector = 0;
+    uint8_t endSector = 0;
+    uint8_t startKeyAB = 0;
+    uint8_t endKeyAB = 0;
+    
+    
+    uint8_t keyn[2] = {0};
+    uint8_t key[16] = {0}; 
+    // sector number from 0
+    for (uint8_t sector = startSector; sector <= endSector; sector++) {
+        // 0-keyA 1-keyB
+        for(uint8_t keyAB = startKeyAB; keyAB <= endKeyAB; keyAB++) {
+            // main cycle with key check
+            for (int i = 0; i < g_mifare_plus_default_keys_len; i++) {
+                uint16_t uKeyNum = 0x4000 + sector * 2 + keyAB;
+                keyn[0] = uKeyNum >> 8;
+                keyn[1] = uKeyNum & 0xff;
+                res =  MifareAuth4(NULL, keyn, key, selectCard, true, false, false, true);
+                selectCard = false;
+                PrintAndLogEx(WARNING, "sector %d key %d [%s] res: %d", sector, key, g_mifare_plus_default_keys[i], res);
+            }
+        }
+    }
+    
+    DropField();
+    
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPMAD(const char *cmd) {
@@ -728,7 +761,7 @@ static int CmdHFMFPMAD(const char *cmd) {
         }
     }
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static int CmdHFMFPNDEF(const char *cmd) {
@@ -832,7 +865,7 @@ static int CmdHFMFPNDEF(const char *cmd) {
 
     NDEFDecodeAndPrint(data, datalen, verbose);
 
-    return 0;
+    return PM3_SUCCESS;
 }
 
 static command_t CommandTable[] = {
@@ -845,6 +878,7 @@ static command_t CommandTable[] = {
     {"rdbl",             CmdHFMFPRdbl,            IfPm3Iso14443a,  "Read blocks"},
     {"rdsc",             CmdHFMFPRdsc,            IfPm3Iso14443a,  "Read sectors"},
     {"wrbl",             CmdHFMFPWrbl,            IfPm3Iso14443a,  "Write blocks"},
+    {"chk",              CmdHFMFPChk,             IfPm3Iso14443a,  "Check keys"},
     {"mad",              CmdHFMFPMAD,             IfPm3Iso14443a,  "Checks and prints MAD"},
     {"ndef",             CmdHFMFPNDEF,            IfPm3Iso14443a,  "Prints NDEF records from card"},
     {NULL,               NULL,                    0, NULL}
@@ -853,7 +887,7 @@ static command_t CommandTable[] = {
 static int CmdHelp(const char *Cmd) {
     (void)Cmd; // Cmd is not used so far
     CmdsHelp(CommandTable);
-    return 0;
+    return PM3_SUCCESS;
 }
 
 int CmdHFMFP(const char *Cmd) {
diff --git a/client/mifare/mifare4.c b/client/mifare/mifare4.c
index 5cdca2e14..7eecbe751 100644
--- a/client/mifare/mifare4.c
+++ b/client/mifare/mifare4.c
@@ -168,21 +168,24 @@ int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t
     return aes_cmac8(NULL, session->Kmac, macdata, mac, macdatalen);
 }
 
-int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose) {
+int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool dropFieldIfError, bool verbose, bool silentMode) {
     uint8_t data[257] = {0};
     int datalen = 0;
 
     uint8_t RndA[17] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00};
     uint8_t RndB[17] = {0};
 
+    if (silentMode) 
+        verbose = false;
+
     if (session)
         session->Authenticated = false;
 
     uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00};
-    int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen);
+    int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen, silentMode);
     if (res) {
-        PrintAndLogEx(ERR, "Exchande raw error: %d", res);
-        DropField();
+        if (!silentMode) PrintAndLogEx(ERR, "Exchande raw error: %d", res);
+        if (dropFieldIfError) DropField();
         return 2;
     }
 
@@ -190,20 +193,20 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
         PrintAndLogEx(INFO, "<phase1: %s", sprint_hex(data, datalen));
 
     if (datalen < 1) {
-        PrintAndLogEx(ERR, "Card response wrong length: %d", datalen);
-        DropField();
+        if (!silentMode) PrintAndLogEx(ERR, "Card response wrong length: %d", datalen);
+        if (dropFieldIfError) DropField();
         return 3;
     }
 
     if (data[0] != 0x90) {
-        PrintAndLogEx(ERR, "Card response error: %02x", data[2]);
-        DropField();
+        if (!silentMode) PrintAndLogEx(ERR, "Card response error: %02x", data[2]);
+        if (dropFieldIfError) DropField();
         return 3;
     }
 
     if (datalen != 19) { // code 1b + 16b + crc 2b
-        PrintAndLogEx(ERR, "Card response must be 19 bytes long instead of: %d", datalen);
-        DropField();
+        if (!silentMode) PrintAndLogEx(ERR, "Card response must be 19 bytes long instead of: %d", datalen);
+        if (dropFieldIfError) DropField();
         return 3;
     }
 
@@ -223,10 +226,10 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
     if (verbose)
         PrintAndLogEx(INFO, ">phase2: %s", sprint_hex(cmd2, 33));
 
-    res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen);
+    res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen, silentMode);
     if (res) {
-        PrintAndLogEx(ERR, "Exchande raw error: %d", res);
-        DropField();
+        if (!silentMode) PrintAndLogEx(ERR, "Exchande raw error: %d", res);
+        if (dropFieldIfError) DropField();
         return 4;
     }
 
@@ -241,12 +244,12 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
     }
 
     if (memcmp(&raw[4], &RndA[1], 16)) {
-        PrintAndLogEx(ERR, "\nAuthentication FAILED. rnd not equal");
+        if (!silentMode) PrintAndLogEx(ERR, "\nAuthentication FAILED. rnd is not equal");
         if (verbose) {
             PrintAndLogEx(ERR, "RndA reader: %s", sprint_hex(&RndA[1], 16));
             PrintAndLogEx(ERR, "RndA   card: %s", sprint_hex(&raw[4], 16));
         }
-        DropField();
+        if (dropFieldIfError) DropField();
         return 5;
     }
 
@@ -311,7 +314,7 @@ static int intExchangeRAW14aPlus(uint8_t *datain, int datainlen, bool activateFi
     if (VerboseMode)
         PrintAndLogEx(INFO, ">>> %s", sprint_hex(datain, datainlen));
 
-    int res = ExchangeRAW14a(datain, datainlen, activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+    int res = ExchangeRAW14a(datain, datainlen, activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen, false);
 
     if (VerboseMode)
         PrintAndLogEx(INFO, "<<< %s", sprint_hex(dataout, *dataoutlen));
@@ -380,7 +383,7 @@ int mfpReadSector(uint8_t sectorNo, uint8_t keyType, uint8_t *key, uint8_t *data
         PrintAndLogEx(INFO, "--sector[%d]:%02x key:%04x", mfNumBlocksPerSector(sectorNo), sectorNo, uKeyNum);
 
     mf4Session session;
-    int res = MifareAuth4(&session, keyn, key, true, true, verbose);
+    int res = MifareAuth4(&session, keyn, key, true, true, true, verbose, false);
     if (res) {
         PrintAndLogEx(ERR, "Sector %d authentication error: %d", sectorNo, res);
         return res;
diff --git a/client/mifare/mifare4.h b/client/mifare/mifare4.h
index 31eac1fdb..fe07aceaf 100644
--- a/client/mifare/mifare4.h
+++ b/client/mifare/mifare4.h
@@ -45,7 +45,7 @@ void mfpSetVerboseMode(bool verbose);
 const char *mfpGetErrorDescription(uint8_t errorCode);
 
 int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose);
-int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose);
+int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool dropFieldIfError, bool verbose, bool silentMode);
 
 int MFPWritePerso(uint8_t *keyNum, uint8_t *key, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
 int MFPCommitPerso(bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);