]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmfu.c
Iceman1001 s MFU clean up
[proxmark3-svn] / client / cmdhfmfu.c
index d80608947538d134073afc77aca2405516539ac9..a22ff859721d05c01f49debfb9b3164d052198b7 100644 (file)
@@ -17,7 +17,7 @@
 
 #define MAX_UL_BLOCKS     0x0f
 #define MAX_ULC_BLOCKS    0x2f
-#define MAX_ULEV1a_BLOCKS 0x0b
+#define MAX_ULEV1a_BLOCKS 0x12
 #define MAX_ULEV1b_BLOCKS 0x20
 #define MAX_NTAG_213      0x2c
 #define MAX_NTAG_215      0x86
@@ -34,34 +34,46 @@ uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
                { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }     // 11 22 33
 };
 
-#define KEYS_PWD_COUNT 8
+#define KEYS_PWD_COUNT 10
 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
        {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
+
        {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
        {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
        {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)       
+       {0x46,0x1c,0xA3,0x19}, // PACK 0xE9,0x5A -- italian bus (sniffed)
+       {0x35,0x1C,0xD0,0x19}, // PACK 0x9A,0x5a -- italian bus (sniffed)
+
        {0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
        {0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed) 
        {0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID:  04d257 7ae33e8027
        {0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed) 
 };
 
+#define MAX_UL_TYPES 13
+uint16_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128, 
+           NTAG, NTAG_213, NTAG_215, NTAG_216, MY_D, MY_D_NFC, MY_D_MOVE, MY_D_MOVE_NFC};
+uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS, 
+           MAX_ULEV1a_BLOCKS, MAX_ULEV1b_BLOCKS, MAX_NTAG_213, MAX_NTAG_213, MAX_NTAG_215,
+           MAX_NTAG_216, MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_UL_BLOCKS};
+
+
 static int CmdHelp(const char *Cmd);
 
-chargetProductTypeStr( uint8_t id){
+char *getProductTypeStr( uint8_t id){
 
        static char buf[20];
        char *retStr = buf;
 
        switch(id) {
                case 3:
-                       sprintf(retStr, "0x%02X %s", id, "(Ultralight)");
+                       sprintf(retStr, "%02X %s", id, "(Ultralight)");
                        break;
                case 4:
-                       sprintf(retStr, "0x%02X %s", id, "(NTAG)");
+                       sprintf(retStr, "%02X %s", id, "(NTAG)");
                        break;
                default:
-                       sprintf(retStr, "0x%02X %s", id, "(unknown)");
+                       sprintf(retStr, "%02X %s", id, "(unknown)");
                        break;
        }
        return buf;
@@ -72,7 +84,7 @@ char* getProductTypeStr( uint8_t id){
   the LSBit is set to '0' if the size is exactly 2^n
   and set to '1' if the storage size is between 2^n and 2^(n+1). 
 */
-chargetUlev1CardSizeStr( uint8_t fsize ){
+char *getUlev1CardSizeStr( uint8_t fsize ){
 
        static char buf[40];
        char *retStr = buf;
@@ -145,8 +157,6 @@ static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
 
        uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
-       if ( len == -1 )
-               ul_switch_off_field();
        return len;
 }
 
@@ -161,9 +171,7 @@ static int ul_comp_write( uint8_t page, uint8_t *data, uint8_t datalen ){
        memcpy(cmd+2, data, datalen);
 
        uint8_t response[1] = {0xff};
-       int len = ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
-       if ( len == -1 )
-               ul_switch_off_field();
+       ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
        // ACK
        if ( response[0] == 0x0a ) return 0;
        // NACK
@@ -174,17 +182,25 @@ static int ulc_requestAuthentication( uint8_t *nonce, uint16_t nonceLength ){
 
        uint8_t cmd[] = {MIFARE_ULC_AUTH_1, 0x00};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
-       if ( len == -1 ) 
-               ul_switch_off_field();
        return len;
 }
 
+static int ulc_authentication( uint8_t *key, bool switch_off_field ){
+
+       UsbCommand c = {CMD_MIFAREUC_AUTH, {switch_off_field}};
+       memcpy(c.d.asBytes, key, 16);
+       SendCommand(&c);
+       UsbCommand resp;
+       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
+       if ( resp.arg[0] == 1 ) return 0;
+
+       return -2;
+}
+
 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
 
        uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
-       if ( len == -1)
-               ul_switch_off_field();
        return len;
 }
 
@@ -192,8 +208,6 @@ static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
 
        uint8_t cmd[] = {MIFARE_ULEV1_VERSION}; 
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
-       if ( len == -1 )
-               ul_switch_off_field();
        return len;
 }
 
@@ -202,7 +216,6 @@ static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
        // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
        
        // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
-               // ul_switch_off_field();
                // return -1;
        // }
        // return 0;
@@ -212,8 +225,6 @@ static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t respo
 
        uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
-       if (len == -1)
-               ul_switch_off_field();
        return len;
 }
 
@@ -221,8 +232,6 @@ static int ulev1_readTearing( uint8_t counter, uint8_t *response, uint16_t respo
 
        uint8_t cmd[] = {MIFARE_ULEV1_CHECKTEAR, counter};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
-       if (len == -1)
-               ul_switch_off_field();
        return len;
 }
 
@@ -230,15 +239,12 @@ static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
 
        uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
        int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
-       if (len == -1)
-               ul_switch_off_field();
        return len;
 }
 
 static int ul_print_default( uint8_t *data){
 
        uint8_t uid[7];
-
        uid[0] = data[0];
        uid[1] = data[1];
        uid[2] = data[2];
@@ -496,7 +502,7 @@ uint16_t GetHF14AMfU_Type(void){
 
        status = ul_select(&card);
        if ( status < 1 ){
-               PrintAndLog("Error: couldn't select");
+               PrintAndLog("iso14443a card select failed");
                ul_switch_off_field();
                return UL_ERROR;
        }
@@ -510,7 +516,7 @@ uint16_t GetHF14AMfU_Type(void){
        if ( card.uid[0] != 0x05) {
 
                len  = ulev1_getVersion(version, sizeof(version));
-               if (len > -1) ul_switch_off_field();  //if -1 it is already off
+               ul_switch_off_field();
 
                switch (len) {
                        case 0x0A: {
@@ -543,11 +549,11 @@ uint16_t GetHF14AMfU_Type(void){
                                ul_switch_off_field();
                                return UL_ERROR;
                        }
-                       uint8_t nonce1[11] = {0x00};
-                       status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
+                       uint8_t nonce[11] = {0x00};
+                       status = ulc_requestAuthentication(nonce, sizeof(nonce));
                        tagtype = ( status > 0 ) ? UL_C : UL;
 
-                       if (status != -1) ul_switch_off_field();
+                       ul_switch_off_field();
                }
        } else {
                // Infinition MY-D tests   Exam high nibble 
@@ -578,6 +584,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
        uint8_t datalen = 0;
        uint8_t authenticationkey[16] = {0x00};
        uint8_t pack[4] = {0,0,0,0};
+       int len=0;
 
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
@@ -632,15 +639,28 @@ int CmdHF14AMfUInfo(const char *Cmd){
        }
 
        if ( hasAuthKey ) {
-               if ((tagtype & UL_C)) 
-                       try3DesAuthentication(authenticationkey);
-               else
-                       ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
+               if ((tagtype & UL_C)) {
+                       //will select card automatically
+                       if (ulc_authentication(authenticationkey, false) != 0) {
+                               ul_switch_off_field();
+                               PrintAndLog("Error: Authentication Failed UL-C");
+                               return 0;
+                       }
+               } else {
+                       len = ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
+                       if (len < 1) {
+                               ul_switch_off_field();
+                               PrintAndLog("Error: Authentication Failed UL-EV1/NTAG");
+                               return 0;
+                       }
+               }
        }
 
+
        // read pages 0,1,2,4 (should read 4pages)
        status = ul_read(0, data, sizeof(data));
        if ( status == -1 ){
+               ul_switch_off_field();
                PrintAndLog("Error: tag didn't answer to READ");
                return status;
        }
@@ -663,6 +683,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
                        uint8_t ulc_deskey[16] = {0x00};
                        status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
                        if ( status == -1 ){
+                               ul_switch_off_field();
                                PrintAndLog("Error: tag didn't answer to READ magic");
                                return status;
                        }
@@ -673,17 +694,19 @@ int CmdHF14AMfUInfo(const char *Cmd){
                        if ( hasAuthKey ) return 1;
 
                        PrintAndLog("Trying some default 3des keys");
-                       ul_switch_off_field();
                        for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
                                key = default_3des_keys[i];
-                               if (try3DesAuthentication(key) == 1){
+                               if (ulc_authentication(key, true) == 0){
                                        PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
                                        uint8_t keySwap[16];
                                        memcpy(keySwap, SwapEndian64(key,16,8), 16);
                                        ulc_print_3deskey(keySwap);
+                                       ul_switch_off_field();
                                        return 1;
-                               }
+                               } 
                        }
+                       ul_switch_off_field();
+                       return 1; //return even if key not found (UL_C is done)
                }
        }
 
@@ -695,6 +718,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
                status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
                if ( status == -1 ){
                        PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
+                       ul_switch_off_field();
                        return status;
                }               
                ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
@@ -704,6 +728,7 @@ int CmdHF14AMfUInfo(const char *Cmd){
                status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
                if ( status == -1 ){
                        PrintAndLog("Error: tag didn't answer to READ EV1");
+                       ul_switch_off_field();
                        return status;
                }
                // save AUTHENTICATION LIMITS for later:
@@ -722,12 +747,16 @@ int CmdHF14AMfUInfo(const char *Cmd){
                status  = ulev1_getVersion(version, sizeof(version));
                if ( status == -1 ){
                        PrintAndLog("Error: tag didn't answer to GETVERSION");
+                       ul_switch_off_field();
                        return status;
                }
                ulev1_print_version(version);
 
                // if we called info with key, just return 
-               if ( hasAuthKey ) return 1;
+               if ( hasAuthKey ) {
+                       ul_switch_off_field();
+                       return 1;
+               }
 
                // AUTHLIMIT, (number of failed authentications)
                // 0 = limitless.
@@ -735,16 +764,16 @@ int CmdHF14AMfUInfo(const char *Cmd){
                if ( authlim == 0 ){
                        PrintAndLog("\n--- Known EV1/NTAG passwords.");
 
-                       int len=0; //if len goes to -1 the connection will be turned off.
                        for (uint8_t i = 0; i < 3; ++i ){
                                key = default_pwd_pack[i];
                                if ( len > -1 ){
                                        len = ulev1_requestAuthentication(key, pack, sizeof(pack));
-                                       PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
-                                       break;
+                                       if (len == 1) {
+                                               PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
+                                               break;
+                                       }
                                }
                        }
-                       if (len > -1) ul_switch_off_field();
                }
        }
 
@@ -899,9 +928,12 @@ int usage_hf_mfu_dump(void)
        PrintAndLog("It autodetects card type.\n");     
        PrintAndLog("Usage:  hf mfu dump s k <key> n <filename w/o .bin>");
        PrintAndLog("  Options : ");
-       PrintAndLog("  k <key> : Enter key for authentication");
-       PrintAndLog("  n <FN > : Enter filename w/o .bin to save the dump as"); 
-       PrintAndLog("        s : Swap entered key's endianness for auth");
+       PrintAndLog("  k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  l       : swap entered key's endianness for auth");
+       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("");
        PrintAndLog("   sample : hf mfu dump");
        PrintAndLog("          : hf mfu dump n myfile");
@@ -919,7 +951,7 @@ int CmdHF14AMfUDump(const char *Cmd){
        FILE *fout;
        char filename[FILE_PATH_SIZE] = {0x00};
        char *fnameptr = filename;
-       char *str = "Dumping Ultralight%s%s Card Data...";
+       //char *str = "Dumping Ultralight%s%s Card Data...";
        uint8_t *lockbytes_t = NULL;
        uint8_t lockbytes[2] = {0x00};
        uint8_t *lockbytes_t2 = NULL;
@@ -938,6 +970,9 @@ int CmdHF14AMfUDump(const char *Cmd){
        size_t fileNlen = 0;
        bool errors = false;
        bool swapEndian = false;
+       bool manualPages = false;
+       uint8_t startPage = 0;
+       char tempStr[50];
 
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
@@ -948,15 +983,22 @@ int CmdHF14AMfUDump(const char *Cmd){
                        return usage_hf_mfu_dump();
                case 'k':
                case 'K':
-                       dataLen = param_gethex(Cmd, cmdp+1, data, 32);
-                       if (dataLen) {
-                               errors = true; 
-                       } else {
-                               memcpy(key, data, 16);
-                       }   
+                       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
+                               errors = true;
+                               
                        cmdp += 2;
                        hasPwd = true;
                        break;
+               case 'l':
+               case 'L':
+                       swapEndian = true;
+                       cmdp++;
+                       break;
                case 'n':
                case 'N':
                        fileNlen = param_getstr(Cmd, cmdp+1, filename);
@@ -964,9 +1006,17 @@ int CmdHF14AMfUDump(const char *Cmd){
                        if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
                        cmdp += 2;
                        break;
-               case 's':
-                       swapEndian = true;
-                       cmdp++;
+               case 'p':
+               case 'P':
+                       startPage = param_get8(Cmd, cmdp+1);
+                       manualPages = true;
+                       cmdp += 2;
+                       break;
+               case 'q':
+               case 'Q':
+                       Pages = param_get8(Cmd, cmdp+1);
+                       cmdp += 2;
+                       manualPages = true;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
@@ -979,36 +1029,28 @@ int CmdHF14AMfUDump(const char *Cmd){
        //Validations
        if(errors) return usage_hf_mfu_dump();
 
-       if (swapEndian)
+       if (swapEndian && dataLen == 32)
                keyPtr = SwapEndian64(data, 16, 8);
 
        TagTypeUL_t tagtype = GetHF14AMfU_Type();
        if (tagtype == UL_ERROR) return -1;
 
-       if ( tagtype & UL ) {
-               Pages = 16;
-               PrintAndLog(str,"", (tagtype & MAGIC)?" (magic)":"" );
-       }
-       else if ( tagtype & UL_C ) {
-               Pages = 44;
-               PrintAndLog(str,"-C", (tagtype & MAGIC)?" (magic)":"" );
-       }
-       else if ( tagtype & UL_EV1_48 ) {
-               Pages = 18; 
-               PrintAndLog(str," EV1_48","");
-       }
-       else if ( tagtype & UL_EV1_128 ) {
-               Pages = 32; 
-               PrintAndLog(str," EV1_128","");
-       } else {
-               Pages = 16;
-               PrintAndLog("Dumping unknown Ultralight, using default values.");
-       }
+       if (!manualPages)
+               for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++)
+                       if (tagtype & UL_TYPES_ARRAY[idx])
+                               Pages = UL_MEMORY_ARRAY[idx]+1;
 
-       UsbCommand c = {CMD_MIFAREUC_READCARD, {0,Pages}};
+       ul_print_type(tagtype, 0);
+       PrintAndLog("Reading tag memory...");
+
+       UsbCommand c = {CMD_MIFAREUC_READCARD, {startPage,Pages}};
        if ( hasPwd ) {
-               c.arg[2] = 1;
-               memcpy(c.d.asBytes, key, 16);
+               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);
        }
        SendCommand(&c);
        UsbCommand resp;
@@ -1036,6 +1078,7 @@ int CmdHF14AMfUDump(const char *Cmd){
        }
 
        // Load bottom lockbytes if available
+       // HOW DOES THIS APPLY TO EV1 and/or NTAG???
        if ( Pages == 44 ) {
                lockbytes_t2 = data + (40*4);
                lockbytes2[0] = lockbytes_t2[2];
@@ -1046,10 +1089,11 @@ int CmdHF14AMfUDump(const char *Cmd){
        }
 
        // add keys
-       if (hasPwd){
-               memcpy(data + Pages*4, key, 16);
+       if (hasPwd){ //UL_C
+               memcpy(data + Pages*4, key, dataLen/2);
                Pages += 4;
-       }
+       } 
+
        for (i = 0; i < Pages; ++i) {
                if ( i < 3 ) {
                        PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
@@ -1122,6 +1166,7 @@ int CmdHF14AMfUDump(const char *Cmd){
        return 0;
 }
 
+/*
 // Needed to Authenticate to Ultralight C tags
 void rol (uint8_t *data, const size_t len){
        uint8_t first = data[0];
@@ -1130,6 +1175,7 @@ void rol (uint8_t *data, const size_t len){
        }
        data[len-1] = first;
 }
+*/
 
 //-------------------------------------------------------------------------------
 // Ultralight C Methods
@@ -1148,7 +1194,7 @@ int CmdHF14AMfucAuth(const char *Cmd){
        //Change key to user defined one
        if (cmdp == 'k' || cmdp == 'K'){
                keyNo = param_get8(Cmd, 1);
-               if(keyNo > 6
+               if(keyNo > KEYS_3DES_COUNT
                        errors = true;
        }
 
@@ -1170,7 +1216,7 @@ int CmdHF14AMfucAuth(const char *Cmd){
        } 
 
        uint8_t *key = default_3des_keys[keyNo];
-       if (try3DesAuthentication(key)>0)
+       if (ulc_authentication(key, true) == 0)
                PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
        else
                PrintAndLog("Authentication failed");
@@ -1178,68 +1224,6 @@ int CmdHF14AMfucAuth(const char *Cmd){
        return 0;
 }
 
-int try3DesAuthentication( uint8_t *key){
-       
-       uint32_t cuid = 0;
-
-       des3_context ctx = { 0 };
-       
-       uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
-       uint8_t random_b[8] = { 0 };
-       uint8_t enc_random_b[8] = { 0 };
-       uint8_t rnd_ab[16] = { 0 };
-       uint8_t iv[8] = { 0 };
-
-       UsbCommand c = {CMD_MIFAREUC_AUTH1, {0x00}};
-       SendCommand(&c);
-       UsbCommand resp;
-       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) )    return -1;
-       if ( !(resp.arg[0] & 0xff) ) return -2;
-       
-       cuid  = resp.arg[1];    
-       memcpy(enc_random_b,resp.d.asBytes+1,8);
-
-       des3_set2key_dec(&ctx, key);
-       // context, mode, length, IV, input, output 
-       des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
-
-       rol(random_b,8);
-       memcpy(rnd_ab  ,random_a,8);
-       memcpy(rnd_ab+8,random_b,8);
-
-       des3_set2key_enc(&ctx, key);
-       // context, mode, length, IV, input, output 
-       des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
-
-       //Auth2
-       c.cmd = CMD_MIFAREUC_AUTH2;
-       c.arg[0] = cuid;
-       memcpy(c.d.asBytes, rnd_ab, 16);
-       SendCommand(&c);
-
-       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;                          
-       if ( !(resp.arg[0] & 0xff)) return -2;
-       
-       uint8_t enc_resp[8] = { 0 };
-       uint8_t resp_random_a[8] = { 0 };
-       memcpy(enc_resp, resp.d.asBytes+1, 8);
-
-       des3_set2key_dec(&ctx, key);
-       // context, mode, length, IV, input, output
-       des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
-
-       if ( !memcmp(resp_random_a, random_a, 8))
-               return 1;       
-       return 0;
-       
-       //PrintAndLog("      RndA  :%s", sprint_hex(random_a, 8));
-       //PrintAndLog("  enc(RndB) :%s", sprint_hex(enc_random_b, 8));
-       //PrintAndLog("       RndB :%s", sprint_hex(random_b, 8));
-       //PrintAndLog("        A+B :%s", sprint_hex(random_a_and_b, 16));
-       //PrintAndLog("   enc(A+B) :%s", sprint_hex(random_a_and_b, 16));
-       //PrintAndLog(" enc(RndA') :%s", sprint_hex(data2+1, 8));
-}
-
 /**
 A test function to validate that the polarssl-function works the same 
 was as the openssl-implementation. 
@@ -1376,7 +1360,6 @@ int CmdHF14AMfUCRdBl(const char *Cmd)
                        hasPwd = TRUE;
                }       
        }       
-       //uint8_t *key2 = SwapEndian64(key, 16, 8);
 
        //Read Block
        UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
Impressum, Datenschutz