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ADD: added the "llu" macro shortcut as format specifier.
[proxmark3-svn] / client / cmdhficlass.c
diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 7f0779b640a421c373b54bd39f32bcdddf799b67..ec1b2c8ac697eb9cc33a6281b0e613225cb3b1d5 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -32,6 +32,7 @@
 #include "protocols.h"
 #include "usb_cmd.h"
 #include "cmdhfmfu.h"
 #include "protocols.h"
 #include "usb_cmd.h"
 #include "cmdhfmfu.h"
+#include "cmdhf.h"
 
 #define llX PRIx64
 
 
 #define llX PRIx64
 
@@ -62,7 +63,8 @@ int xorbits_8(uint8_t val) {
 }
 
 int CmdHFiClassList(const char *Cmd) {
 }
 
 int CmdHFiClassList(const char *Cmd) {
-       PrintAndLog("Deprecated command, use 'hf list iclass' instead");
+       //PrintAndLog("Deprecated command, use 'hf list iclass' instead");
+       CmdHFList("iclass");
        return 0;
 }
 
        return 0;
 }
 
@@ -267,10 +269,9 @@ int CmdHFiClassELoad(const char *Cmd) {
        //File handling and reading
        FILE *f;
        char filename[FILE_PATH_SIZE];
        //File handling and reading
        FILE *f;
        char filename[FILE_PATH_SIZE];
-       if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
-       {
+       if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
                f = fopen(filename, "rb");
                f = fopen(filename, "rb");
-       }else{
+       } else {
                return hf_iclass_eload_usage();
        }
 
                return hf_iclass_eload_usage();
        }
 
@@ -283,8 +284,13 @@ int CmdHFiClassELoad(const char *Cmd) {
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
-       uint8_t *dump = malloc(fsize);
+       if (fsize < 0)  {
+               prnlog("Error, when getting filesize");
+               fclose(f);
+               return 1;
+       }
 
 
+       uint8_t *dump = malloc(fsize);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
@@ -368,12 +374,15 @@ int CmdHFiClassDecrypt(const char *Cmd) {
        //Open the tagdump-file
        FILE *f;
        char filename[FILE_PATH_SIZE];
        //Open the tagdump-file
        FILE *f;
        char filename[FILE_PATH_SIZE];
-       if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0)
-       {
-               f = fopen(filename, "rb");
-       }else{
+       if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) {
+               if ( (f = fopen(filename, "rb")) == NULL) {
+                       PrintAndLog("Could not find file %s", filename);
+                       return 1;
+               }
+               
+       } else {
                return usage_hf_iclass_decrypt();
                return usage_hf_iclass_decrypt();
-       }
+       }       
 
        fseek(f, 0, SEEK_END);
        long fsize = ftell(f);
 
        fseek(f, 0, SEEK_END);
        long fsize = ftell(f);
@@ -407,6 +416,7 @@ int CmdHFiClassDecrypt(const char *Cmd) {
 
        saveFile(outfilename,"bin", decrypted, blocknum*8);
 
 
        saveFile(outfilename,"bin", decrypted, blocknum*8);
 
+       free(decrypted);
        return 0;
 }
 
        return 0;
 }
 
@@ -500,7 +510,7 @@ static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool v
        return true;    
 }
 
        return true;    
 }
 
-static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool verbose) {
+static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool verbose) {
        uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
@@ -508,7 +518,11 @@ static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool u
                return false;
 
        //get div_key
                return false;
 
        //get div_key
+       if(rawkey)
+               memcpy(div_key, KEY, 8);
+       else
        HFiClassCalcDivKey(CSN, KEY, div_key, elite);
        HFiClassCalcDivKey(CSN, KEY, div_key, elite);
+       PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey ? "raw key" : "diversified key", div_key[0],div_key[1],div_key[2],div_key[3],div_key[4],div_key[5],div_key[6],div_key[7]);
 
        doMAC(CCNR, div_key, MAC);
        UsbCommand resp;
 
        doMAC(CCNR, div_key, MAC);
        UsbCommand resp;
@@ -530,7 +544,7 @@ static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool u
 }
 
 int usage_hf_iclass_dump(void) {
 }
 
 int usage_hf_iclass_dump(void) {
-       PrintAndLog("Usage:  hf iclass dump f <fileName> k <Key> c <CreditKey> e\n");
+       PrintAndLog("Usage:  hf iclass dump f <fileName> k <Key> c <CreditKey> e|r\n");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename> : specify a filename to save dump to");
        PrintAndLog("  k <Key>      : *Access Key as 16 hex symbols or 1 hex to select key from memory");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename> : specify a filename to save dump to");
        PrintAndLog("  k <Key>      : *Access Key as 16 hex symbols or 1 hex to select key from memory");
@@ -538,6 +552,7 @@ int usage_hf_iclass_dump(void) {
        PrintAndLog("  e            : If 'e' is specified, the key is interpreted as the 16 byte");
        PrintAndLog("                 Custom Key (KCus), which can be obtained via reader-attack");
        PrintAndLog("                 See 'hf iclass sim 2'. This key should be on iclass-format");
        PrintAndLog("  e            : If 'e' is specified, the key is interpreted as the 16 byte");
        PrintAndLog("                 Custom Key (KCus), which can be obtained via reader-attack");
        PrintAndLog("                 See 'hf iclass sim 2'. This key should be on iclass-format");
+       PrintAndLog("  r            : If 'r' is specified, the key is interpreted as raw block 3/4");
        PrintAndLog("  NOTE: * = required");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass dump k 001122334455667B");
        PrintAndLog("  NOTE: * = required");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass dump k 001122334455667B");
@@ -567,6 +582,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
        bool have_credit_key = false;
        bool use_credit_key = false;
        bool elite = false;
        bool have_credit_key = false;
        bool use_credit_key = false;
        bool elite = false;
+       bool rawkey = false;
        bool errors = false;
        uint8_t cmdp = 0;
 
        bool errors = false;
        uint8_t cmdp = 0;
 
@@ -585,7 +601,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, CreditKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, CreditKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -619,7 +635,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -631,6 +647,11 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                        }
                        cmdp += 2;
                        break;
                        }
                        cmdp += 2;
                        break;
+               case 'r':
+               case 'R':
+                       rawkey = true;
+                       cmdp++;
+                       break;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
@@ -674,9 +695,9 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
        }
        ul_switch_off_field();
        // authenticate debit key and get div_key - later store in dump block 3
        }
        ul_switch_off_field();
        // authenticate debit key and get div_key - later store in dump block 3
-       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){
+       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
                //try twice - for some reason it sometimes fails the first time...
                //try twice - for some reason it sometimes fails the first time...
-               if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){
+               if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){
                        ul_switch_off_field();
                        return 0;
                }
                        ul_switch_off_field();
                        return 0;
                }
@@ -714,9 +735,9 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
                ul_switch_off_field();
                memset(MAC,0,4);
                // AA2 authenticate credit key and git c_div_key - later store in dump block 4
                ul_switch_off_field();
                memset(MAC,0,4);
                // AA2 authenticate credit key and git c_div_key - later store in dump block 4
-               if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
+               if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
                        //try twice - for some reason it sometimes fails the first time...
                        //try twice - for some reason it sometimes fails the first time...
-                       if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){
+                       if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){
                                ul_switch_off_field();
                                return 0;
                        }
                                ul_switch_off_field();
                                return 0;
                        }
@@ -776,10 +797,10 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
        return 1;
 }
 
        return 1;
 }
 
-static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool verbose) {
+static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool verbose) {
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, verbose))
+       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose))
                return 0;
 
        UsbCommand resp;
                return 0;
 
        UsbCommand resp;
@@ -812,6 +833,7 @@ int usage_hf_iclass_writeblock(void) {
        PrintAndLog("  k <Key>   : Access Key as 16 hex symbols or 1 hex to select key from memory");
   PrintAndLog("  c         : If 'c' is specified, the key set is assumed to be the credit key\n");
   PrintAndLog("  e         : If 'e' is specified, elite computations applied to key");
        PrintAndLog("  k <Key>   : Access Key as 16 hex symbols or 1 hex to select key from memory");
   PrintAndLog("  c         : If 'c' is specified, the key set is assumed to be the credit key\n");
   PrintAndLog("  e         : If 'e' is specified, elite computations applied to key");
+  PrintAndLog("  r         : If 'r' is specified, no computations applied to key");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
        PrintAndLog("  hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
        PrintAndLog("  hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
@@ -828,6 +850,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
        char tempStr[50] = {0};
        bool use_credit_key = false;
        bool elite = false;
        char tempStr[50] = {0};
        bool use_credit_key = false;
        bool elite = false;
+       bool rawkey= false;
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
@@ -871,7 +894,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -883,6 +906,11 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
                        }
                        cmdp += 2;
                        break;
                        }
                        cmdp += 2;
                        break;
+               case 'r':
+               case 'R':
+                       rawkey = true;
+                       cmdp++;
+                       break;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
@@ -892,13 +920,13 @@ int CmdHFiClass_WriteBlock(const char *Cmd) {
        }
 
        if (cmdp < 6) return usage_hf_iclass_writeblock();
        }
 
        if (cmdp < 6) return usage_hf_iclass_writeblock();
-       int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true);
+       int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true);
        ul_switch_off_field();
        return ans;
 }
 
 int usage_hf_iclass_clone(void) {
        ul_switch_off_field();
        return ans;
 }
 
 int usage_hf_iclass_clone(void) {
-       PrintAndLog("Usage:  hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> e c");
+       PrintAndLog("Usage:  hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename>: specify a filename to clone from");
        PrintAndLog("  b <Block>   : The first block to clone as 2 hex symbols");
        PrintAndLog("Options:");
        PrintAndLog("  f <filename>: specify a filename to clone from");
        PrintAndLog("  b <Block>   : The first block to clone as 2 hex symbols");
@@ -906,6 +934,7 @@ int usage_hf_iclass_clone(void) {
        PrintAndLog("  k <Key>     : Access Key as 16 hex symbols or 1 hex to select key from memory");
        PrintAndLog("  c           : If 'c' is specified, the key set is assumed to be the credit key\n");
        PrintAndLog("  e           : If 'e' is specified, elite computations applied to key");
        PrintAndLog("  k <Key>     : Access Key as 16 hex symbols or 1 hex to select key from memory");
        PrintAndLog("  c           : If 'c' is specified, the key set is assumed to be the credit key\n");
        PrintAndLog("  e           : If 'e' is specified, elite computations applied to key");
+       PrintAndLog("  r           : If 'r' is specified, no computations applied to key");
        PrintAndLog("Samples:");
        PrintAndLog("  hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e");
        PrintAndLog("  hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0");
        PrintAndLog("Samples:");
        PrintAndLog("  hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e");
        PrintAndLog("  hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0");
@@ -914,7 +943,7 @@ int usage_hf_iclass_clone(void) {
 }
 
 int CmdHFiClassCloneTag(const char *Cmd) {
 }
 
 int CmdHFiClassCloneTag(const char *Cmd) {
-       char filename[FILE_PATH_SIZE];
+       char filename[FILE_PATH_SIZE] = { 0x00 };
        char tempStr[50]={0};
        uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t keyNbr = 0;
        char tempStr[50]={0};
        uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t keyNbr = 0;
@@ -924,6 +953,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        uint8_t dataLen = 0;
        bool use_credit_key = false;
        bool elite = false;
        uint8_t dataLen = 0;
        bool use_credit_key = false;
        bool elite = false;
+       bool rawkey = false;
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
@@ -967,7 +997,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -987,6 +1017,11 @@ int CmdHFiClassCloneTag(const char *Cmd) {
                        }
                        cmdp += 2;
                        break;
                        }
                        cmdp += 2;
                        break;
+               case 'r':
+               case 'R':
+                       rawkey = true;
+                       cmdp++;
+                       break;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
@@ -1013,6 +1048,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
 
        if (startblock<5) {
                PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4");
 
        if (startblock<5) {
                PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4");
+               fclose(f);      
                return 0;
        }
        // now read data from the file from block 6 --- 19
                return 0;
        }
        // now read data from the file from block 6 --- 19
@@ -1030,7 +1066,7 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
-       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, true))
+       if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, true))
                return 0;
 
        UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}};
                return 0;
 
        UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}};
@@ -1063,11 +1099,11 @@ int CmdHFiClassCloneTag(const char *Cmd) {
        return 1;
 }
 
        return 1;
 }
 
-static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool verbose) {
+static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose) {
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        uint8_t MAC[4]={0x00,0x00,0x00,0x00};
        uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
-       if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, verbose))
+       if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose))
                return 0;
 
        UsbCommand resp;
                return 0;
 
        UsbCommand resp;
@@ -1090,12 +1126,13 @@ static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite,
 }
 
 int usage_hf_iclass_readblock(void) {
 }
 
 int usage_hf_iclass_readblock(void) {
-       PrintAndLog("Usage:  hf iclass readblk b <Block> k <Key> c e\n");
+       PrintAndLog("Usage:  hf iclass readblk b <Block> k <Key> c e|r\n");
        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");
        PrintAndLog("  k <Key>   : Access Key as 16 hex symbols or 1 hex to select key from memory");
   PrintAndLog("  c         : If 'c' is specified, the key set is assumed to be the credit key\n");
   PrintAndLog("  e         : If 'e' is specified, elite computations applied to key");
        PrintAndLog("Options:");
   PrintAndLog("  b <Block> : The block number as 2 hex symbols");
        PrintAndLog("  k <Key>   : Access Key as 16 hex symbols or 1 hex to select key from memory");
   PrintAndLog("  c         : If 'c' is specified, the key set is assumed to be the credit key\n");
   PrintAndLog("  e         : If 'e' is specified, elite computations applied to key");
+  PrintAndLog("  r         : If 'r' is specified, no computations applied to key");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass readblk b 06 k 0011223344556677");
        PrintAndLog("  hf iclass readblk b 1B k 0011223344556677 c");
   PrintAndLog("Samples:");
        PrintAndLog("  hf iclass readblk b 06 k 0011223344556677");
        PrintAndLog("  hf iclass readblk b 1B k 0011223344556677 c");
@@ -1111,6 +1148,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) {
        uint8_t dataLen = 0;
        char tempStr[50] = {0};
        bool elite = false;
        uint8_t dataLen = 0;
        char tempStr[50] = {0};
        bool elite = false;
+       bool rawkey = false;
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        bool errors = false;
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
@@ -1145,7 +1183,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, KEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(KEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -1157,6 +1195,11 @@ int CmdHFiClass_ReadBlock(const char *Cmd) {
                        }
                        cmdp += 2;
                        break;
                        }
                        cmdp += 2;
                        break;
+               case 'r':
+               case 'R':
+                       rawkey = true;
+                       cmdp++;
+                       break;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
                default:
                        PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
                        errors = true;
@@ -1167,7 +1210,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) {
 
        if (cmdp < 4) return usage_hf_iclass_readblock();
 
 
        if (cmdp < 4) return usage_hf_iclass_readblock();
 
-       return ReadBlock(KEY, blockno, keyType, elite, true);
+       return ReadBlock(KEY, blockno, keyType, elite, rawkey, true);
 }
 
 int CmdHFiClass_loclass(const char *Cmd) {
 }
 
 int CmdHFiClass_loclass(const char *Cmd) {
@@ -1277,8 +1320,13 @@ int CmdHFiClassReadTagFile(const char *Cmd) {
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
-       uint8_t *dump = malloc(fsize);
+       if ( fsize < 0 ) {
+               PrintAndLog("Error, when getting filesize");
+               fclose(f);
+               return 1;
+       }
 
 
+       uint8_t *dump = malloc(fsize);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
        fclose(f);
@@ -1403,7 +1451,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
                                        memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
@@ -1422,7 +1470,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) {
                                errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
                                errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
                        } else if (dataLen == 1) {
                                keyNbr = param_get8(Cmd, cmdp+1);
-                               if (keyNbr <= ICLASS_KEYS_MAX) {
+                               if (keyNbr < ICLASS_KEYS_MAX) {
                                        memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
                                        memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
                                } else {
                                        PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
@@ -1470,6 +1518,12 @@ static int loadKeys(char *filename) {
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
+       if ( fsize < 0 ) {
+               PrintAndLog("Error, when getting filesize");
+               fclose(f);
+               return 1;
+       }
+
        uint8_t *dump = malloc(fsize);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
        uint8_t *dump = malloc(fsize);
 
        size_t bytes_read = fread(dump, 1, fsize, f);
@@ -1562,7 +1616,7 @@ int CmdHFiClassManageKeys(const char *Cmd) {
                case 'n':
                case 'N':
                        keyNbr = param_get8(Cmd, cmdp+1);
                case 'n':
                case 'N':
                        keyNbr = param_get8(Cmd, cmdp+1);
-                       if (keyNbr < 0) {
+                       if (keyNbr == 0) {
                                PrintAndLog("Wrong block number");
                                errors = true;
                        }
                                PrintAndLog("Wrong block number");
                                errors = true;
                        }
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