Update README.md

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index ec5d4487ce90068bc63794b2db2f85c5050a570d..9b43f4118289ae109c2e8e9860ff4cf51146e3dc 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -18,7 +18,7 @@ int usage_hf14_mifare(void){
        PrintAndLog("options:");\r
        PrintAndLog("           h    this help");\r
        PrintAndLog("           <block number>  (Optional) target other key A than block 0.");\r
        PrintAndLog("options:");\r
        PrintAndLog("           h    this help");\r
        PrintAndLog("           <block number>  (Optional) target other key A than block 0.");\r

-       PrintAndLog("sample:");\r
+       PrintAndLog("samples:");\r

        PrintAndLog("           hf mf mifare");\r
        PrintAndLog("           hf mf mifare 16");\r
        return 0;\r
        PrintAndLog("           hf mf mifare");\r
        PrintAndLog("           hf mf mifare 16");\r
        return 0;\r


@@ -26,11 +26,11 @@ int usage_hf14_mifare(void){
 int usage_hf14_mf1ksim(void){\r
        PrintAndLog("Usage:  hf mf sim  [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");\r
        PrintAndLog("options:");\r
 int usage_hf14_mf1ksim(void){\r
        PrintAndLog("Usage:  hf mf sim  [h] u <uid (8,14,20 hex symbols)> n <numreads> i x");\r
        PrintAndLog("options:");\r

-       PrintAndLog("           h    this help");\r
-       PrintAndLog("           u    (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used");\r
-       PrintAndLog("           n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
-       PrintAndLog("           i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
-       PrintAndLog("           x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r
+       PrintAndLog("      h    this help");\r
+       PrintAndLog("      u    (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used");\r
+       PrintAndLog("      n    (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");\r
+       PrintAndLog("      i    (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");\r
+       PrintAndLog("      x    (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");\r

        PrintAndLog("samples:");\r
        PrintAndLog("           hf mf sim u 0a0a0a0a");\r
        PrintAndLog("           hf mf sim u 11223344556677");\r
        PrintAndLog("samples:");\r
        PrintAndLog("           hf mf sim u 0a0a0a0a");\r
        PrintAndLog("           hf mf sim u 11223344556677");\r


@@ -56,15 +56,75 @@ int usage_hf14_sniff(void){
        PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
        PrintAndLog("Usage:  hf mf sniff [h] [l] [d] [f]");\r
        PrintAndLog("options:");\r
        PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");\r
        PrintAndLog("Usage:  hf mf sniff [h] [l] [d] [f]");\r
        PrintAndLog("options:");\r

-       PrintAndLog("           h    this help");\r
-       PrintAndLog("           l    save encrypted sequence to logfile `uid.log`");\r
-       PrintAndLog("           d    decrypt sequence and put it to log file `uid.log`");\r
-//     PrintAndLog(" n/a   e     decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
-       PrintAndLog("           f    decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
+       PrintAndLog("      h    this help");\r
+       PrintAndLog("      l    save encrypted sequence to logfile `uid.log`");\r
+       PrintAndLog("      d    decrypt sequence and put it to log file `uid.log`");\r
+//     PrintAndLog(" n/a  e     decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
+       PrintAndLog("      f    decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r

        PrintAndLog("sample:");\r
        PrintAndLog("           hf mf sniff l d f");\r
        return 0;\r
 }\r
        PrintAndLog("sample:");\r
        PrintAndLog("           hf mf sniff l d f");\r
        return 0;\r
 }\r

+int usage_hf14_nested(void){\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(" 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("options:");\r
+       PrintAndLog("      h    this help");\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(" ");\r
+       PrintAndLog("samples:");\r
+       PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF ");\r
+       PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
+       PrintAndLog("      hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
+       PrintAndLog("      hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
+       return 0;\r
+}\r
+int usage_hf14_hardnested(void){\r
+       PrintAndLog("Usage:");\r
+       PrintAndLog("      hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");\r
+       PrintAndLog("                       <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");\r
+       PrintAndLog("  or  hf mf hardnested r [known target key]");\r
+       PrintAndLog(" ");\r
+       PrintAndLog("options:");\r
+       PrintAndLog("      h    this help");    \r
+       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("      t    tests?");\r
+       PrintAndLog(" ");\r
+       PrintAndLog("samples:");\r
+       PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A");\r
+       PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");\r
+       PrintAndLog("      hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");\r
+       PrintAndLog("      hf mf hardnested r");\r
+       PrintAndLog("      hf mf hardnested r a0a1a2a3a4a5");\r
+       PrintAndLog(" ");\r
+       PrintAndLog("Add the known target key to check if it is present in the remaining key space:");\r
+       PrintAndLog("      sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");\r
+       return 0;\r
+}\r
+int usage_hf14_chk(void){\r
+       PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
+       PrintAndLog("options:");\r
+       PrintAndLog("      h    this help");    \r
+       PrintAndLog("      *    all sectors based on card memory, other values then below defaults to 1k");\r
+       PrintAndLog("                           0 - MINI(320 bytes)");\r
+       PrintAndLog("                           1 - 1K");\r
+       PrintAndLog("                           2 - 2K");\r
+       PrintAndLog("                           4 - 4K");\r
+       PrintAndLog("      d    write keys to binary file");\r
+       PrintAndLog("      t    write keys to emulator memory\n");\r
+       PrintAndLog(" ");\r
+       PrintAndLog("samples:");\r
+       PrintAndLog("      hf mf chk 0 A 1234567890ab keys.dic     -- target block 0, Key A");\r
+       PrintAndLog("      hf mf chk *1 ? t                        -- target all blocks, all keys, 1K, write to emul");\r
+       PrintAndLog("      hf mf chk *1 ? d                        -- target all blocks, all keys, 1K, write to file");\r
+       return 0;\r
+}\r

 \r
 int CmdHF14AMifare(const char *Cmd) {\r
        uint32_t uid = 0;\r
 \r
 int CmdHF14AMifare(const char *Cmd) {\r
        uint32_t uid = 0;\r


@@ -86,6 +146,8 @@ int CmdHF14AMifare(const char *Cmd) {
        printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
        printf("-------------------------------------------------------------------------\n");\r
        clock_t t1 = clock();\r
        printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
        printf("-------------------------------------------------------------------------\n");\r
        clock_t t1 = clock();\r

+       time_t start, end;\r
+       time(&start);\r

        \r
 start:\r
     clearCommandBuffer();\r
        \r
 start:\r
     clearCommandBuffer();\r


@@ -120,9 +182,9 @@ start:
 \r
                        switch (isOK) {\r
                                case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
 \r
                        switch (isOK) {\r
                                case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

-                               case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
-                               case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
-                               case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
+                               case -2 : PrintAndLog("Card isn't vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
+                               case -3 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
+                               case -4 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r

                                                  PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
                                default: ;\r
                        }\r
                                                  PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
                                default: ;\r
                        }\r


@@ -154,13 +216,14 @@ start:
        }\r
 END:\r
        t1 = clock() - t1;\r
        }\r
 END:\r
        t1 = clock() - t1;\r

+       time(&end);\r
+       unsigned long elapsed_time = difftime(end, start);      \r

        if ( t1 > 0 )\r
        if ( t1 > 0 )\r

-               PrintAndLog("Time in darkside: %.0f ticks\n", (float)t1);\r
+               PrintAndLog("Time in darkside: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r

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

-int CmdHF14AMfWrBl(const char *Cmd)\r
-{\r
+int CmdHF14AMfWrBl(const char *Cmd) {\r

        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r


@@ -209,8 +272,7 @@ int CmdHF14AMfWrBl(const char *Cmd)
        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-int CmdHF14AMfRdBl(const char *Cmd)\r
-{\r
+int CmdHF14AMfRdBl(const char *Cmd) {\r

        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r


@@ -258,8 +320,7 @@ int CmdHF14AMfRdBl(const char *Cmd)
   return 0;\r
 }\r
 \r
   return 0;\r
 }\r
 \r

-int CmdHF14AMfRdSc(const char *Cmd)\r
-{\r
+int CmdHF14AMfRdSc(const char *Cmd) {\r

        int i;\r
        uint8_t sectorNo = 0;\r
        uint8_t keyType = 0;\r
        int i;\r
        uint8_t sectorNo = 0;\r
        uint8_t keyType = 0;\r


@@ -316,8 +377,7 @@ int CmdHF14AMfRdSc(const char *Cmd)
   return 0;\r
 }\r
 \r
   return 0;\r
 }\r
 \r

-uint8_t FirstBlockOfSector(uint8_t sectorNo)\r
-{\r
+uint8_t FirstBlockOfSector(uint8_t sectorNo) {\r

        if (sectorNo < 32) {\r
                return sectorNo * 4;\r
        } else {\r
        if (sectorNo < 32) {\r
                return sectorNo * 4;\r
        } else {\r


@@ -325,8 +385,7 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
        }\r
 }\r
 \r
        }\r
 }\r
 \r

-uint8_t NumBlocksPerSector(uint8_t sectorNo)\r
-{\r
+uint8_t NumBlocksPerSector(uint8_t sectorNo) {\r

        if (sectorNo < 32) {\r
                return 4;\r
        } else {\r
        if (sectorNo < 32) {\r
                return 4;\r
        } else {\r


@@ -632,30 +691,14 @@ int CmdHF14AMfNested(const char *Cmd) {
        FILE *fkeys;\r
        uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
        uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
        FILE *fkeys;\r
        uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
        uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r

-       \r
-       char cmdp, ctmp;\r

 \r
 \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(" 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("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(" ");\r
-               PrintAndLog(" samples:");\r
-               PrintAndLog("              hf mf nested 1 0 A FFFFFFFFFFFF ");\r
-               PrintAndLog("              hf mf nested 1 0 A FFFFFFFFFFFF t ");\r
-               PrintAndLog("              hf mf nested 1 0 A FFFFFFFFFFFF d ");\r
-               PrintAndLog("              hf mf nested o 0 A FFFFFFFFFFFF 4 A");\r
-               return 0;\r
-       }       \r
+       if (strlen(Cmd)<3) return usage_hf14_nested();\r

        \r
        \r

+       char cmdp, ctmp;\r

        cmdp = param_getchar(Cmd, 0);\r
        blockNo = param_get8(Cmd, 1);\r
        ctmp = param_getchar(Cmd, 2);\r
        cmdp = param_getchar(Cmd, 0);\r
        blockNo = param_get8(Cmd, 1);\r
        ctmp = param_getchar(Cmd, 2);\r

-       \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 (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {\r
                PrintAndLog("Key type must be A or B");\r
                return 1;\r


@@ -703,7 +746,7 @@ int CmdHF14AMfNested(const char *Cmd) {
                switch (isOK) {\r
                        case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
                        case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
                switch (isOK) {\r
                        case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
                        case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

-                       case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r
+                       case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;\r

                        case -4 : PrintAndLog("No valid key found"); break;\r
                        case -5 : \r
                                key64 = bytes_to_num(keyBlock, 6);\r
                        case -4 : PrintAndLog("No valid key found"); break;\r
                        case -5 : \r
                                key64 = bytes_to_num(keyBlock, 6);\r


@@ -731,7 +774,10 @@ int CmdHF14AMfNested(const char *Cmd) {
        }\r
        else { // ------------------------------------  multiple sectors working\r
                clock_t t1 = clock();\r
        }\r
        else { // ------------------------------------  multiple sectors working\r
                clock_t t1 = clock();\r

-\r
+               unsigned long elapsed_time;\r
+               time_t start, end;\r
+               time(&start);\r
+               \r

                e_sector = calloc(SectorsCnt, sizeof(sector));\r
                if (e_sector == NULL) return 1;\r
                \r
                e_sector = calloc(SectorsCnt, sizeof(sector));\r
                if (e_sector == NULL) return 1;\r
                \r


@@ -757,9 +803,11 @@ int CmdHF14AMfNested(const char *Cmd) {
                        }\r
                }\r
                clock_t t2 = clock() - t1;\r
                        }\r
                }\r
                clock_t t2 = clock() - t1;\r

+               time(&end);\r
+               elapsed_time = difftime(end, start);    \r

                if ( t2 > 0 )\r
                if ( t2 > 0 )\r

-                       PrintAndLog("Time to check 6 known keys: %.0f ticks", (float)t2 );\r
-\r
+                       PrintAndLog("Time to check 6 known keys: %.0f ticks %u seconds\n", (float)t2 , elapsed_time);\r
+               \r

                PrintAndLog("enter nested..."); \r
                \r
                // nested sectors\r
                PrintAndLog("enter nested..."); \r
                \r
                // nested sectors\r


@@ -776,7 +824,7 @@ int CmdHF14AMfNested(const char *Cmd) {
                                        switch (isOK) {\r
                                                case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
                                                case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
                                        switch (isOK) {\r
                                                case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;\r
                                                case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;\r

-                                               case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;\r
+                                               case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break;\r

                                                case -4 : //key not found\r
                                                        calibrate = false;\r
                                                        iterations++;\r
                                                case -4 : //key not found\r
                                                        calibrate = false;\r
                                                        iterations++;\r


@@ -797,8 +845,11 @@ int CmdHF14AMfNested(const char *Cmd) {
                }\r
                \r
                t1 = clock() - t1;\r
                }\r
                \r
                t1 = clock() - t1;\r

+               time(&end);\r
+               elapsed_time = difftime(end, start);    \r

                if ( t1 > 0 )\r
                if ( t1 > 0 )\r

-                       PrintAndLog("Time in nested: %.0f ticks \n", (float)t1);\r
+                       PrintAndLog("Time in nested: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r
+\r

 \r
                // 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r
                PrintAndLog("trying to read key B...");\r
 \r
                // 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r
                PrintAndLog("trying to read key B...");\r


@@ -891,27 +942,8 @@ int CmdHF14AMfNestedHard(const char *Cmd) {
        \r
        char ctmp;\r
        ctmp = param_getchar(Cmd, 0);\r
        \r
        char ctmp;\r
        ctmp = param_getchar(Cmd, 0);\r

-\r
-       if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {\r
-               PrintAndLog("Usage:");\r
-               PrintAndLog("      hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");\r
-               PrintAndLog("                       <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");\r
-               PrintAndLog("  or  hf mf hardnested r [known target key]");\r
-               PrintAndLog(" ");\r
-               PrintAndLog("Options: ");\r
-               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(" ");\r
-               PrintAndLog("      sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");\r
-               PrintAndLog("      sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");\r
-               PrintAndLog("      sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");\r
-               PrintAndLog("      sample4: hf mf hardnested r");\r
-               PrintAndLog(" ");\r
-               PrintAndLog("Add the known target key to check if it is present in the remaining key space:");\r
-               PrintAndLog("      sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");\r
-               return 0;\r
-       }       \r
+       if (ctmp == 'H' || ctmp == 'h' ) return usage_hf14_hardnested();\r
+       if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) return usage_hf14_hardnested();\r

        \r
        bool know_target_key = false;\r
        bool nonce_file_read = false;\r
        \r
        bool know_target_key = false;\r
        bool nonce_file_read = false;\r


@@ -919,7 +951,6 @@ int CmdHF14AMfNestedHard(const char *Cmd) {
        bool slow = false;\r
        int tests = 0;\r
        \r
        bool slow = false;\r
        int tests = 0;\r
        \r

-       \r

        if (ctmp == 'R' || ctmp == 'r') {\r
                nonce_file_read = true;\r
                if (!param_gethex(Cmd, 1, trgkey, 12)) {\r
        if (ctmp == 'R' || ctmp == 'r') {\r
                nonce_file_read = true;\r
                if (!param_gethex(Cmd, 1, trgkey, 12)) {\r


@@ -977,9 +1008,9 @@ int CmdHF14AMfNestedHard(const char *Cmd) {
                        trgBlockNo, \r
                        trgKeyType?'B':'A', \r
                        trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],\r
                        trgBlockNo, \r
                        trgKeyType?'B':'A', \r
                        trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],\r

-                       know_target_key?"":" (not set)",\r
-                       nonce_file_write?"write":nonce_file_read?"read":"none",\r
-                       slow?"Yes":"No",\r
+                       know_target_key ? "" : " (not set)",\r
+                       nonce_file_write ? "write": nonce_file_read ? "read" : "none",\r
+                       slow ? "Yes" : "No",\r

                        tests);\r
 \r
        int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);\r
                        tests);\r
 \r
        int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);\r


@@ -997,17 +1028,8 @@ int CmdHF14AMfNestedHard(const char *Cmd) {
 }\r
 \r
 int CmdHF14AMfChk(const char *Cmd) {\r
 }\r
 \r
 int CmdHF14AMfChk(const char *Cmd) {\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("          * - 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");\r
-               PrintAndLog("t - write keys to emulator memory\n");\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
-               return 0;\r
-       }       \r
+\r
+       if (strlen(Cmd)<3) return usage_hf14_chk();\r

 \r
        FILE * f;\r
        char filename[FILE_PATH_SIZE]={0};\r
 \r
        FILE * f;\r
        char filename[FILE_PATH_SIZE]={0};\r


@@ -1168,11 +1190,22 @@ int CmdHF14AMfChk(const char *Cmd) {
                return 1;\r
        }\r
 \r
                return 1;\r
        }\r
 \r

+       // empty e_sector\r
+       for(int i = 0; i < SectorsCnt; ++i){\r
+               e_sector[i].Key[0] = 0xffffffffffff;\r
+               e_sector[i].Key[1] = 0xffffffffffff;\r
+               e_sector[i].foundKey[0] = FALSE;\r
+               e_sector[i].foundKey[1] = FALSE;\r
+       }\r
+               \r
+       \r

        uint8_t trgKeyType = 0;\r
        uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;\r
        \r
        // time\r
        clock_t t1 = clock();\r
        uint8_t trgKeyType = 0;\r
        uint32_t max_keys = keycnt > (USB_CMD_DATA_SIZE/6) ? (USB_CMD_DATA_SIZE/6) : keycnt;\r
        \r
        // time\r
        clock_t t1 = clock();\r

+       time_t start, end;\r
+       time(&start);\r

        \r
        // check keys.\r
        for (trgKeyType = !keyType;  trgKeyType < 2;  (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) {\r
        \r
        // check keys.\r
        for (trgKeyType = !keyType;  trgKeyType < 2;  (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) {\r


@@ -1182,60 +1215,58 @@ int CmdHF14AMfChk(const char *Cmd) {
                        \r
                        // skip already found keys.\r
                        if (e_sector[i].foundKey[trgKeyType]) continue;\r
                        \r
                        // skip already found keys.\r
                        if (e_sector[i].foundKey[trgKeyType]) continue;\r

-                       \r
-                       \r
+                                               \r

                        for (uint32_t c = 0; c < keycnt; c += max_keys) {\r
                        for (uint32_t c = 0; c < keycnt; c += max_keys) {\r

-                               \r
+                               printf(".");\r
+                               fflush(stdout);                 \r

                                uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
                                \r
                                res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);\r
                                if (!res) {\r
                                uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;\r
                                \r
                                res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64);\r
                                if (!res) {\r

-                                       //PrintAndLog("Sector:%3d Block:%3d, key type: %C  -- Found key [%012"llx"]", i, b, trgKeyType ? 'B':'A', key64);\r
-                                                                                \r

                                        e_sector[i].Key[trgKeyType] = key64;\r
                                        e_sector[i].foundKey[trgKeyType] = TRUE;\r
                                        break;\r
                                        e_sector[i].Key[trgKeyType] = key64;\r
                                        e_sector[i].foundKey[trgKeyType] = TRUE;\r
                                        break;\r

-                               } else {                                        \r
-                                       e_sector[i].Key[trgKeyType] = 0xffffffffffff;\r
-                                       e_sector[i].foundKey[trgKeyType] = FALSE;\r

                                }\r
                                }\r

-                               printf(".");\r
-                               fflush(stdout);\r

                        }\r
                        b < 127 ? ( b +=4 ) : ( b += 16 );      \r
                }\r
        }\r
        t1 = clock() - t1;\r
                        }\r
                        b < 127 ? ( b +=4 ) : ( b += 16 );      \r
                }\r
        }\r
        t1 = clock() - t1;\r

+       time(&end);\r
+       unsigned long elapsed_time = difftime(end, start);      \r

        if ( t1 > 0 )\r
        if ( t1 > 0 )\r

-               printf("\nTime in checkkeys: %.0f ticks\n", (float)t1);\r
+               PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time);\r

 \r
 \r

+               \r

        // 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r
        // 20160116 If Sector A is found, but not Sector B,  try just reading it of the tag?\r

-       PrintAndLog("testing to read B...");\r
-       for (i = 0; i < SectorsCnt; i++) {\r
-               // KEY A  but not KEY B\r
-               if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {\r
-                                               \r
-                       uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r
-                       \r
-                       PrintAndLog("Reading block %d", sectrail);\r
-                       \r
-                       UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};\r
-                       num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A\r
-                       clearCommandBuffer();\r
-                       SendCommand(&c);\r
-\r
-                       UsbCommand resp;\r
-                       if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;\r
+       if ( keyType != 1 ) {\r
+               PrintAndLog("testing to read key B...");\r
+               for (i = 0; i < SectorsCnt; i++) {\r
+                       // KEY A  but not KEY B\r
+                       if ( e_sector[i].foundKey[0] && !e_sector[i].foundKey[1] ) {\r
+                                                       \r
+                               uint8_t sectrail = (FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);\r

                                \r
                                \r

-                       uint8_t isOK  = resp.arg[0] & 0xff;\r
-                       if (!isOK) continue;\r
-\r
-                       uint8_t *data = resp.d.asBytes;\r
-                       key64 = bytes_to_num(data+10, 6);\r
-                       if (key64) {\r
-                               PrintAndLog("Data:%s", sprint_hex(data+10, 6));\r
-                               e_sector[i].foundKey[1] = 1;\r
-                               e_sector[i].Key[1] = key64;\r
+                               PrintAndLog("Reading block %d", sectrail);\r
+                               \r
+                               UsbCommand c = {CMD_MIFARE_READBL, {sectrail, 0, 0}};\r
+                               num_to_bytes(e_sector[i].Key[0], 6, c.d.asBytes); // KEY A\r
+                               clearCommandBuffer();\r
+                               SendCommand(&c);\r
+\r
+                               UsbCommand resp;\r
+                               if ( !WaitForResponseTimeout(CMD_ACK,&resp,1500)) continue;\r
+                                       \r
+                               uint8_t isOK  = resp.arg[0] & 0xff;\r
+                               if (!isOK) continue;\r
+\r
+                               uint8_t *data = resp.d.asBytes;\r
+                               key64 = bytes_to_num(data+10, 6);\r
+                               if (key64) {\r
+                                       PrintAndLog("Data:%s", sprint_hex(data+10, 6));\r
+                                       e_sector[i].foundKey[1] = 1;\r
+                                       e_sector[i].Key[1] = key64;\r
+                               }\r

                        }\r
                }\r
        }\r
                        }\r
                }\r
        }\r