fix "hf mf chk" <t|d|s|ss> flags (based on PR #700) (#718)

[proxmark3-svn] / client / cmdhficlass.c

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 37cf4deeaaa9e8fd27f83bfccb857950c169a649..c97e433caf615b3099184f23836da70b0cc4fcee 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -16,15 +16,14 @@
 #include <sys/stat.h>
 #include <ctype.h>
 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
-#include "data.h"
-#include "proxmark3.h"
+#include "comms.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhficlass.h"
 #include "common.h"
 #include "util.h"
 #include "cmdmain.h"
-#include "polarssl/des.h"
+#include "mbedtls/des.h"
 #include "loclass/cipherutils.h"
 #include "loclass/cipher.h"
 #include "loclass/ikeys.h"
@@ -54,10 +53,16 @@ typedef struct iclass_block {
 } iclass_block_t;
 
 int usage_hf_iclass_chk(void) {
-       PrintAndLog("Usage: hf iclass chk [h]  <f  (*.dic)>");
+       PrintAndLog("Checkkeys loads a dictionary text file with 8byte hex keys to test authenticating against a iClass tag");  
+       PrintAndLog("Usage: hf iclass chk [h|e|r] <f  (*.dic)>");
        PrintAndLog("Options:");
        PrintAndLog("h             Show this help");
        PrintAndLog("f <filename>  Dictionary file with default iclass keys");
+       PrintAndLog("      e             target Elite / High security key scheme");
+       PrintAndLog("      r             interpret dictionary file as raw (diversified keys)");
+       PrintAndLog("Samples:");
+       PrintAndLog("            hf iclass chk f default_iclass_keys.dic");     
+       PrintAndLog("            hf iclass chk f default_iclass_keys.dic e");   
        return 0;
 }
 
@@ -409,8 +414,8 @@ int CmdHFiClassDecrypt(const char *Cmd) {
        fseek(f, 0, SEEK_SET);
        uint8_t enc_dump[8] = {0};
        uint8_t *decrypted = malloc(fsize);
-       des3_context ctx = { DES_DECRYPT ,{ 0 } };
-       des3_set2key_dec( &ctx, key);
+       mbedtls_des3_context ctx = { 0 };
+       mbedtls_des3_set2key_dec( &ctx, key);
        size_t bytes_read = fread(enc_dump, 1, 8, f);
 
        //Use the first block (CSN) for filename
@@ -426,7 +431,7 @@ int CmdHFiClassDecrypt(const char *Cmd) {
                {
                        memcpy(decrypted+(blocknum*8), enc_dump, 8);
                }else{
-                       des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
+                       mbedtls_des3_crypt_ecb(&ctx, enc_dump,decrypted +(blocknum*8) );
                }
                printvar("decrypted block", decrypted +(blocknum*8), 8);
                bytes_read = fread(enc_dump, 1, 8, f);
@@ -461,10 +466,10 @@ static int iClassEncryptBlkData(uint8_t *blkData) {
 
        uint8_t encryptedData[16];
        uint8_t *encrypted = encryptedData;
-       des3_context ctx = { DES_DECRYPT ,{ 0 } };
-       des3_set2key_enc( &ctx, key);
+       mbedtls_des3_context ctx = { 0 };
+       mbedtls_des3_set2key_enc( &ctx, key);
        
-       des3_crypt_ecb(&ctx, blkData,encrypted);
+       mbedtls_des3_crypt_ecb(&ctx, blkData,encrypted);
        //printvar("decrypted block", decrypted, 8);
        memcpy(blkData,encrypted,8);
 
@@ -744,8 +749,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                blocksRead = (sizeof(tag_data)/8) - blockno;
        }
        // response ok - now get bigbuf content of the dump
-       GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex);
-       WaitForResponse(CMD_ACK,NULL);
+       GetFromBigBuf(tag_data+(blockno*8), blocksRead*8, startindex, NULL, -1, false);
        size_t gotBytes = blocksRead*8 + blockno*8;
 
        // try AA2
@@ -787,8 +791,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                                blocksRead = (sizeof(tag_data) - gotBytes)/8;
                        }
                        // get dumped data from bigbuf
-                       GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex);
-                       WaitForResponse(CMD_ACK,NULL);
+                       GetFromBigBuf(tag_data+gotBytes, blocksRead*8, startindex, NULL, -1, false);
 
                        gotBytes += blocksRead*8;                       
                } else { //field is still on - turn it off...
@@ -1711,37 +1714,58 @@ int CmdHFiClassManageKeys(const char *Cmd) {
 
 int CmdHFiClassCheckKeys(const char *Cmd) {
 
-       char ctmp = 0x00;
-       ctmp = param_getchar(Cmd, 0);
-       if (ctmp == 'h' || ctmp == 'H') return usage_hf_iclass_chk();
-
        uint8_t mac[4] = {0x00,0x00,0x00,0x00};
        uint8_t key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        // elite key,  raw key, standard key
-       bool elite = false;
-       bool rawkey = false;    
+       bool use_elite = false;
+       bool use_raw = false;   
        bool found_debit = false;
        bool found_credit = false;      
-
+       bool errors = false;
+       uint8_t cmdp = 0x00;
        FILE * f;
        char filename[FILE_PATH_SIZE] = {0};
+       uint8_t fileNameLen = 0;
        char buf[17];
        uint8_t *keyBlock = NULL, *p;
        int keyitems = 0, keycnt = 0;
 
-       
-       // May be a dictionary file
-       if ( param_getstr(Cmd, 1, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {
-               PrintAndLog("File name too long");
-               free(keyBlock);
-               return 2;
+       while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+               switch (param_getchar(Cmd, cmdp)) {
+               case 'h':
+               case 'H':
+                       return usage_hf_iclass_chk();
+               case 'f':
+               case 'F':
+                       fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); 
+                       if (fileNameLen < 1) {
+                               PrintAndLog("No filename found after f");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       break;
+               case 'e':
+               case 'E':
+                       use_elite = true;
+                       cmdp++;
+                       break;
+               case 'r':
+               case 'R':
+                       use_raw = true;
+                       cmdp++;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
+                       errors = true;
+                       break;
+               }
        }
+       if (errors) return usage_hf_iclass_chk();       
                        
        if ( !(f = fopen( filename , "r")) ) {
                PrintAndLog("File: %s: not found or locked.", filename);
-               free(keyBlock);
                return 1;
        }
 
@@ -1794,7 +1818,7 @@ int CmdHFiClassCheckKeys(const char *Cmd) {
 
                        // debit key. try twice
                        for (int foo = 0; foo < 2 && !found_debit; foo++) {
-                               if (!select_and_auth(key, mac, div_key, false, elite, rawkey, false))
+                               if (!select_and_auth(key, mac, div_key, false, use_elite, use_raw, false))
                                        continue;
 
                                // key found.
@@ -1805,7 +1829,7 @@ int CmdHFiClassCheckKeys(const char *Cmd) {
                        
                        // credit key. try twice
                        for (int foo = 0; foo < 2 && !found_credit; foo++) {
-                               if (!select_and_auth(key, mac, div_key, true, elite, rawkey, false))
+                               if (!select_and_auth(key, mac, div_key, true, use_elite, use_raw, false))
                                        continue;
                                
                                // key found