fix to dump cmd print keys.

add l option to info cmd.
add ascii print to dump (screen only)
other minor clean up

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index b3304f1632a72eb631d6abe87b60799dca6b9c58..c5f061b1f4164228718ec50c3e171686a56d8612 100644 (file)
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -94,9 +94,9 @@ char *getUlev1CardSizeStr( uint8_t fsize ){
 
        // is  LSB set?
        if (  fsize & 1 )
 
        // is  LSB set?
        if (  fsize & 1 )

-               sprintf(retStr, "%02X (%u <-> %u bytes)",fsize, usize, lsize);
+               sprintf(retStr, "%02X, (%u <-> %u bytes)",fsize, usize, lsize);

        else 
        else 

-               sprintf(retStr, "%02X (%u bytes)", fsize, lsize);               
+               sprintf(retStr, "%02X, (%u bytes)", fsize, lsize);              

        return buf;
 }
 
        return buf;
 }
 


@@ -462,7 +462,7 @@ static int ulev1_print_counters(){
 
 static int ulev1_print_signature( uint8_t *data, uint8_t len){
        PrintAndLog("\n--- Tag Signature");     
 
 static int ulev1_print_signature( uint8_t *data, uint8_t len){
        PrintAndLog("\n--- Tag Signature");     

-       PrintAndLog("IC signature public key name  : NXP NTAG21x 2013"); // don't know if there is other NXP public keys.. :(
+       //PrintAndLog("IC signature public key name  : NXP NTAG21x 2013"); // don't know if there is other NXP public keys.. :(

        PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
        PrintAndLog("    Elliptic curve parameters : secp128r1");
        PrintAndLog("            Tag ECC Signature : %s", sprint_hex(data, len));
        PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
        PrintAndLog("    Elliptic curve parameters : secp128r1");
        PrintAndLog("            Tag ECC Signature : %s", sprint_hex(data, len));


@@ -620,7 +620,6 @@ uint32_t GetHF14AMfU_Type(void){
                }
        }
 
                }
        }
 

-

        tagtype |= ul_magic_test();
        if (tagtype == (UNKNOWN | MAGIC)) tagtype = (UL_MAGIC);
        return tagtype;
        tagtype |= ul_magic_test();
        if (tagtype == (UNKNOWN | MAGIC)) tagtype = (UL_MAGIC);
        return tagtype;


@@ -631,16 +630,19 @@ int CmdHF14AMfUInfo(const char *Cmd){
        uint8_t authlim = 0xff;
        uint8_t data[16] = {0x00};
        iso14a_card_select_t card;
        uint8_t authlim = 0xff;
        uint8_t data[16] = {0x00};
        iso14a_card_select_t card;

-       uint8_t *key;

        int status;
        bool errors = false;
        bool hasAuthKey = false;
        bool locked = false;
        int status;
        bool errors = false;
        bool hasAuthKey = false;
        bool locked = false;

+       bool swapEndian = false;

        uint8_t cmdp = 0;
        uint8_t cmdp = 0;

-       uint8_t datalen = 0;
+       uint8_t dataLen = 0;

        uint8_t authenticationkey[16] = {0x00};
        uint8_t authenticationkey[16] = {0x00};

+       uint8_t *authkeyptr = authenticationkey;
+       uint8_t *key;

        uint8_t pack[4] = {0,0,0,0};
        uint8_t pack[4] = {0,0,0,0};

-       int len=0;
+       int len = 0;
+       char tempStr[50];

 
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
 
        while(param_getchar(Cmd, cmdp) != 0x00)
        {


@@ -651,23 +653,21 @@ int CmdHF14AMfUInfo(const char *Cmd){
                        return usage_hf_mfu_info();
                case 'k':
                case 'K':
                        return usage_hf_mfu_info();
                case 'k':
                case 'K':

-                       // EV1/NTAG size key
-                       datalen = param_gethex(Cmd, cmdp+1, data, 8);
-                       if ( !datalen ) {
-                               memcpy(authenticationkey, data, 4);
-                               cmdp += 2;
-                               hasAuthKey = true;
-                               break;
-                       }
-                       // UL-C size key        
-                       datalen = param_gethex(Cmd, cmdp+1, data, 32);
-                       if (!datalen){
-                               memcpy(authenticationkey, data, 16);
-                               cmdp += 2;
-                               hasAuthKey = true;
-                               break;
+                       dataLen = param_getstr(Cmd, cmdp+1, tempStr);
+                       if (dataLen == 32 || dataLen == 8) { //ul-c or ev1/ntag key length
+                               errors = param_gethex(tempStr, 0, authenticationkey, dataLen);
+                               dataLen /= 2; // handled as bytes from now on
+                       } else {
+                               PrintAndLog("\nERROR: Key is incorrect length\n");
+                               errors = true;

                        }
                        }

-                       errors = true; 
+                       cmdp += 2;
+                       hasAuthKey = true;
+                       break;
+               case 'l':
+               case 'L':
+                       swapEndian = true;
+                       cmdp++;

                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));


@@ -687,7 +687,10 @@ int CmdHF14AMfUInfo(const char *Cmd){
        PrintAndLog("-------------------------------------------------------------");
        ul_print_type(tagtype, 6);
 
        PrintAndLog("-------------------------------------------------------------");
        ul_print_type(tagtype, 6);
 

-       if (!ul_auth_select( &card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) return -1;
+       // Swap endianness 
+       if (swapEndian && hasAuthKey) authkeyptr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4 );
+
+       if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;

 
        // read pages 0,1,2,3 (should read 4pages)
        status = ul_read(0, data, sizeof(data));
 
        // read pages 0,1,2,3 (should read 4pages)
        status = ul_read(0, data, sizeof(data));


@@ -732,6 +735,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
                        // if we called info with key, just return 
                        if ( hasAuthKey ) return 1;
 
                        // if we called info with key, just return 
                        if ( hasAuthKey ) return 1;
 

+                       // also try to diversify default keys..  look into CmdHF14AMfuGenDiverseKeys

                        PrintAndLog("Trying some default 3des keys");
                        for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ) {
                                key = default_3des_keys[i];
                        PrintAndLog("Trying some default 3des keys");
                        for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ) {
                                key = default_3des_keys[i];


@@ -944,33 +948,33 @@ int CmdHF14AMfURdBl(const char *Cmd){
        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_mfu_info(void)
-{
+int usage_hf_mfu_info(void) {

        PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
        PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
        PrintAndLog("The following tags can be identified:\n");
        PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1, NTAG 203, NTAG 210,");
        PrintAndLog("NTAG 212, NTAG 213, NTAG 215, NTAG 216, NTAG I2C 1K & 2K");
        PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
        PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
        PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
        PrintAndLog("The following tags can be identified:\n");
        PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1, NTAG 203, NTAG 210,");
        PrintAndLog("NTAG 212, NTAG 213, NTAG 215, NTAG 216, NTAG I2C 1K & 2K");
        PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");

-       PrintAndLog("Usage:  hf mfu info k <key>");
+       PrintAndLog("Usage:  hf mfu info k <key> l");

        PrintAndLog("  Options : ");
        PrintAndLog("  Options : ");

-       PrintAndLog("  k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  l       : (optional) swap entered key's endianness");

        PrintAndLog("");
        PrintAndLog("   sample : hf mfu info");
        PrintAndLog("");
        PrintAndLog("   sample : hf mfu info");

-       PrintAndLog("          : hf mfu info k 11223344");
+       PrintAndLog("          : hf mfu info k 00112233445566778899AABBCCDDEEFF");
+       PrintAndLog("          : hf mfu info k AABBCCDDD");

        return 0;
 }
 
        return 0;
 }
 

-int usage_hf_mfu_dump(void)
-{
+int usage_hf_mfu_dump(void) {

        PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
        PrintAndLog("NTAG 203, NTAG 210, NTAG 212, NTAG 213, NTAG 215, NTAG 216");
        PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
        PrintAndLog("It autodetects card type.\n");     
        PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
        PrintAndLog("NTAG 203, NTAG 210, NTAG 212, NTAG 213, NTAG 215, NTAG 216");
        PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
        PrintAndLog("It autodetects card type.\n");     

-       PrintAndLog("Usage:  hf mfu dump l k <key> n <filename w/o .bin>");
+       PrintAndLog("Usage:  hf mfu dump k <key> l n <filename w/o .bin>");

        PrintAndLog("  Options : ");
        PrintAndLog("  Options : ");

-       PrintAndLog("  k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
-       PrintAndLog("  l       : swap entered key's endianness for auth");
+       PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  l       : (optional) swap entered key's endianness");

        PrintAndLog("  n <FN > : filename w/o .bin to save the dump as");       
        PrintAndLog("  p <Pg > : starting Page number to manually set a page to start the dump at");    
        PrintAndLog("  q <qty> : number of Pages to manually set how many pages to dump");      
        PrintAndLog("  n <FN > : filename w/o .bin to save the dump as");       
        PrintAndLog("  p <Pg > : starting Page number to manually set a page to start the dump at");    
        PrintAndLog("  q <qty> : number of Pages to manually set how many pages to dump");      


@@ -979,6 +983,7 @@ int usage_hf_mfu_dump(void)
        PrintAndLog("   sample : hf mfu dump");
        PrintAndLog("          : hf mfu dump n myfile");
        PrintAndLog("          : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
        PrintAndLog("   sample : hf mfu dump");
        PrintAndLog("          : hf mfu dump n myfile");
        PrintAndLog("          : hf mfu dump k 00112233445566778899AABBCCDDEEFF");

+       PrintAndLog("          : hf mfu dump k AABBCCDDD\n");

        return 0;
 }
 
        return 0;
 }
 


@@ -997,14 +1002,14 @@ int CmdHF14AMfUDump(const char *Cmd){
        bool bit[16]  = {0x00};
        bool bit2[16] = {0x00};
        uint8_t data[1024] = {0x00};
        bool bit[16]  = {0x00};
        bool bit2[16] = {0x00};
        uint8_t data[1024] = {0x00};

-       bool hasPwd = false;
+       bool hasAuthKey = false;

        int i = 0;
        int Pages = 16;
        bool tmplockbit = false;
        int i = 0;
        int Pages = 16;
        bool tmplockbit = false;

-       uint8_t dataLen=0;
-       uint8_t cmdp =0;
-       uint8_t key[16] = {0x00};
-       uint8_t *keyPtr = key;
+       uint8_t dataLen = 0;
+       uint8_t cmdp = 0;
+       uint8_t authenticationkey[16] = {0x00};
+       uint8_t *authKeyPtr = authenticationkey;

        size_t fileNlen = 0;
        bool errors = false;
        bool swapEndian = false;
        size_t fileNlen = 0;
        bool errors = false;
        bool swapEndian = false;


@@ -1022,17 +1027,15 @@ int CmdHF14AMfUDump(const char *Cmd){
                case 'k':
                case 'K':
                        dataLen = param_getstr(Cmd, cmdp+1, tempStr);
                case 'k':
                case 'K':
                        dataLen = param_getstr(Cmd, cmdp+1, tempStr);

-                       if (dataLen == 32) //ul-c
-                               errors = param_gethex(tempStr, 0, key, dataLen);
-                       else if (dataLen == 8) //ev1/ntag
-                               errors = param_gethex(tempStr, 0, key, dataLen);
-                       else{
+                       if (dataLen == 32 || dataLen == 8) { //ul-c or ev1/ntag key length
+                               errors = param_gethex(tempStr, 0, authenticationkey, dataLen);
+                               dataLen /= 2;
+                       } else {

                                PrintAndLog("\nERROR: Key is incorrect length\n");
                                errors = true;
                        }
                                PrintAndLog("\nERROR: Key is incorrect length\n");
                                errors = true;
                        }

-                               

                        cmdp += 2;
                        cmdp += 2;

-                       hasPwd = true;
+                       hasAuthKey = true;

                        break;
                case 'l':
                case 'L':
                        break;
                case 'l':
                case 'L':


@@ -1069,8 +1072,8 @@ int CmdHF14AMfUDump(const char *Cmd){
        //Validations
        if(errors) return usage_hf_mfu_dump();
 
        //Validations
        if(errors) return usage_hf_mfu_dump();
 

-       if (swapEndian && dataLen == 32)
-               keyPtr = SwapEndian64(data, 16, 8);
+       if (swapEndian && hasAuthKey) 
+               authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);

 
        TagTypeUL_t tagtype = GetHF14AMfU_Type();
        if (tagtype == UL_ERROR) return -1;
 
        TagTypeUL_t tagtype = GetHF14AMfU_Type();
        if (tagtype == UL_ERROR) return -1;


@@ -1083,13 +1086,13 @@ int CmdHF14AMfUDump(const char *Cmd){
        ul_print_type(tagtype, 0);
        PrintAndLog("Reading tag memory...");
        UsbCommand c = {CMD_MIFAREU_READCARD, {startPage,Pages}};
        ul_print_type(tagtype, 0);
        PrintAndLog("Reading tag memory...");
        UsbCommand c = {CMD_MIFAREU_READCARD, {startPage,Pages}};

-       if ( hasPwd ) {
+       if ( hasAuthKey ) {

                if (tagtype & UL_C)
                        c.arg[2] = 1; //UL_C auth
                else
                        c.arg[2] = 2; //UL_EV1/NTAG auth
 
                if (tagtype & UL_C)
                        c.arg[2] = 1; //UL_C auth
                else
                        c.arg[2] = 2; //UL_EV1/NTAG auth
 

-               memcpy(c.d.asBytes, key, dataLen/2);
+               memcpy(c.d.asBytes, authKeyPtr, dataLen);

        }
        SendCommand(&c);
        UsbCommand resp;
        }
        SendCommand(&c);
        UsbCommand resp;


@@ -1133,12 +1136,14 @@ int CmdHF14AMfUDump(const char *Cmd){
        }
 
        // add keys to block dump
        }
 
        // add keys to block dump

-       if (hasPwd && (tagtype & UL_C)) { //UL_C
-               memcpy(data + Pages*4, key, dataLen/2);
-               Pages += 4;
-       } else if (hasPwd) { //not sure output is in correct location.
-               memcpy(data + Pages*4, key, dataLen/2);
-               Pages += 1;
+       if (hasAuthKey) {
+               if (!swapEndian) {
+                       authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
+                       memcpy(data + Pages*4, authKeyPtr, dataLen);
+               } else {
+                       memcpy(data + Pages*4, authenticationkey, dataLen);
+               }
+               Pages += dataLen/4;  //not sure output is in correct location for all tag types.

        }
 
        for (i = 0; i < Pages; ++i) {
        }
 
        for (i = 0; i < Pages; ++i) {


@@ -1148,11 +1153,11 @@ int CmdHF14AMfUDump(const char *Cmd){
                }
                switch(i){
                        case 3: tmplockbit = bit[4]; break;
                }
                switch(i){
                        case 3: tmplockbit = bit[4]; break;

-                       case 4: tmplockbit = bit[3]; break;
-                       case 5: tmplockbit = bit[2]; break;
-                       case 6: tmplockbit = bit[1]; break;
-                       case 7: tmplockbit = bit[0]; break;
-                       case 8: tmplockbit = bit[15]; break;
+                       case 4: tmplockbit = bit[3]; break;
+                       case 5: tmplockbit = bit[2]; break;
+                       case 6: tmplockbit = bit[1]; break;
+                       case 7: tmplockbit = bit[0]; break;
+                       case 8: tmplockbit = bit[15]; break;

                        case 9: tmplockbit = bit[14]; break;
                        case 10: tmplockbit = bit[13]; break;
                        case 11: tmplockbit = bit[12]; break;
                        case 9: tmplockbit = bit[14]; break;
                        case 10: tmplockbit = bit[13]; break;
                        case 11: tmplockbit = bit[12]; break;


@@ -1171,7 +1176,7 @@ int CmdHF14AMfUDump(const char *Cmd){
                        case 24:
                        case 25:
                        case 26:
                        case 24:
                        case 25:
                        case 26:

-                       case 27: tmplockbit = bit2[4]; break;               
+                       case 27: tmplockbit = bit2[4]; break;

                        case 28:
                        case 29:
                        case 30:
                        case 28:
                        case 29:
                        case 30:


@@ -1190,8 +1195,8 @@ int CmdHF14AMfUDump(const char *Cmd){
                        case 43: tmplockbit = bit2[9]; break;  //auth1
                        default: break;
                }
                        case 43: tmplockbit = bit2[9]; break;  //auth1
                        default: break;
                }

-               PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
-       }  
+               PrintAndLog("Block %02x:%s [%d] {%.4s}", i, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
+       }

 
        // user supplied filename?
        if (fileNlen < 1) {
 
        // user supplied filename?
        if (fileNlen < 1) {


@@ -1204,7 +1209,7 @@ int CmdHF14AMfUDump(const char *Cmd){
 
        if ((fout = fopen(filename,"wb")) == NULL) { 
                PrintAndLog("Could not create file name %s", filename);
 
        if ((fout = fopen(filename,"wb")) == NULL) { 
                PrintAndLog("Could not create file name %s", filename);

-               return 1;       
+               return 1;

        }
        fwrite( data, 1, Pages*4, fout );
        fclose(fout);
        }
        fwrite( data, 1, Pages*4, fout );
        fclose(fout);