Check keys in hf mf nested (issue #426)

* hf mf nested added 14a timeout for check keys
* hf mf nested added options s and ss

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45fe13929deb9d8a72e9498dd9187319e7bfbb5c..c7ec650768a00ff44cf6f802424b4c807c824589 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Added to `hf mf nested` source key check before attack (Merlok)
 - Added to `hf mf nested` after attack it checks all found keys on non-open sectors (Merlok)
 - `hf mf chk` Added setings to set iso14443a operations timeout. default timeout set to 500us (Merlok)
+- Added to `hf mf nested` parameters `s` and `ss` for checking slow cards (Merlok)
 
 ## [3.0.1][2017-06-08]
 

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 12fb0b78cd473147ff6b07e0238d68f6f6aab2f4..553803c1ef371f2d6bbcb069733bd785b67b0406 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -524,7 +524,35 @@ int CmdHF14AMfRestore(const char *Cmd)
        return 0;\r
 }\r
 \r
+//----------------------------------------------\r
+//   Nested\r
+//----------------------------------------------\r
 # define NESTED_KEY_COUNT 15\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
+       int len = param_getlength(Cmd, indx);\r
+       if (len > 0 && len < 4){\r
+               param_getstr(Cmd, indx, 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
        int i, j, res, iterations;\r
@@ -537,6 +565,8 @@ int CmdHF14AMfNested(const char *Cmd)
        uint8_t key[6] = {0, 0, 0, 0, 0, 0};\r
        uint8_t keyBlock[NESTED_KEY_COUNT * 6];\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
        \r
        bool autosearchKey = false;\r
 \r
@@ -550,20 +580,23 @@ 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 autosearch key:  hf mf nested  <card memory> * [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 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
@@ -580,11 +613,10 @@ int CmdHF14AMfNested(const char *Cmd)
        if (param_getchar(Cmd, 1) == '*') {\r
                autosearchKey = true;\r
 \r
-               ctmp = param_getchar(Cmd, 2);\r
-               transferToEml |= (ctmp == 't' || ctmp == 'T');\r
-               createDumpFile |= (ctmp == 'd' || ctmp == 'D');\r
+               parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);\r
 \r
-               PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c ", SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n');\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
@@ -621,16 +653,13 @@ int CmdHF14AMfNested(const char *Cmd)
                        if (ctmp != 'A' && ctmp != 'a')\r
                                trgKeyType = 1;\r
 \r
-                       ctmp = param_getchar(Cmd, 6);\r
-                       transferToEml |= (ctmp == 't' || ctmp == 'T');\r
-                       createDumpFile |= (ctmp == 'd' || ctmp == 'D');\r
+                       parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);\r
                } else {\r
-                       ctmp = param_getchar(Cmd, 4);\r
-                       transferToEml |= (ctmp == 't' || ctmp == 'T');\r
-                       createDumpFile |= (ctmp == 'd' || ctmp == 'D');\r
+                       parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);\r
                }\r
 \r
-               PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c ", SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n');\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
@@ -684,7 +713,7 @@ int CmdHF14AMfNested(const char *Cmd)
                }\r
 \r
                PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);\r
-               mfCheckKeysSec(SectorsCnt, 2, MF_CHKKEYS_DEFTIMEOUT, true, NESTED_KEY_COUNT, keyBlock, e_sector);\r
+               mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, NESTED_KEY_COUNT, keyBlock, e_sector);\r
                \r
                // get known key from array\r
                bool keyFound = false;\r
@@ -744,7 +773,7 @@ int CmdHF14AMfNested(const char *Cmd)
                                                e_sector[sectorNo].Key[trgKeyType] = key64;\r
                                                \r
                                                // try to check this key as a key to the other sectors\r
-                                               mfCheckKeysSec(SectorsCnt, 2, MF_CHKKEYS_DEFTIMEOUT, true, 1, keyBlock, e_sector);\r
+                                               mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);\r
                                        }\r
                                }\r
                        }\r