]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmfu.c
Merge branch 'master' of https://github.com/Proxmark/proxmark3
[proxmark3-svn] / client / cmdhfmfu.c
index 716a7e661d47045e385ffca21319bd600138a8d1..310d5bdcd496148f31936cc36d88746b62512473 100644 (file)
@@ -7,37 +7,32 @@
 //-----------------------------------------------------------------------------
 // High frequency MIFARE ULTRALIGHT (C) commands
 //-----------------------------------------------------------------------------
-#include <openssl/des.h>
+#include "loclass/des.h"
 #include "cmdhfmfu.h"
 #include "cmdhfmf.h"
 #include "cmdhf14a.h"
 
-
-uint8_t MAX_ULTRA_BLOCKS   = 0x0f;
-uint8_t MAX_ULTRAC_BLOCKS  = 0x2c;
-uint8_t key1_blnk_data[16] = { 0x00 };
-uint8_t key2_defa_data[16] = { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f };
-uint8_t key3_3des_data[16] = { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 };
-uint8_t key4_nfc_data[16]  = { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 };
-uint8_t key5_ones_data[16] = { 0x01 };
+#define MAX_ULTRA_BLOCKS   0x0f
+#define MAX_ULTRAC_BLOCKS  0x2f
+//#define MAX_ULTRAC_BLOCKS  0x2c
 
 static int CmdHelp(const char *Cmd);
 
 int CmdHF14AMfUInfo(const char *Cmd){
 
-    uint8_t datatemp[7] = {0x00};
-    uint8_t isOK  = 0;
-    uint8_t *data = NULL;
+       uint8_t datatemp[7] = {0x00};
+       uint8_t isOK  = 0;
+       uint8_t *data = NULL;
 
-    UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
-    SendCommand(&c);
-    UsbCommand resp;
+       UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
+       SendCommand(&c);
+       UsbCommand resp;
 
-    if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-        isOK  = resp.arg[0] & 0xff;
-        data  = resp.d.asBytes;
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               isOK  = resp.arg[0] & 0xff;
+               data  = resp.d.asBytes;
 
-        if (!isOK) {
+               if (!isOK) {
                        PrintAndLog("Error reading from tag");
                        return -1;
                }
@@ -79,8 +74,11 @@ int CmdHF14AMfUInfo(const char *Cmd){
 
        int len = CmdHF14AMfucAuth("K 0");
 //     PrintAndLog("CODE: %d",len);
+// Fix reading UL-C 's password higher blocks.
        
        PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :"");
+       
+       
        return 0;
 }
 
@@ -88,39 +86,40 @@ int CmdHF14AMfUInfo(const char *Cmd){
 //  Mifare Ultralight Write Single Block
 //
 int CmdHF14AMfUWrBl(const char *Cmd){
-    uint8_t blockNo    = 0;
-    bool chinese_card  = FALSE;
-    uint8_t bldata[16] = {0x00};
-    UsbCommand resp;
+       uint8_t blockNo    = -1;
+       bool chinese_card  = FALSE;
+       uint8_t bldata[16] = {0x00};
+       UsbCommand resp;
 
-       char cmdp = param_getchar(Cmd, 0);
+       char cmdp = param_getchar(Cmd, 0);
        if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
+               PrintAndLog("Usage:  hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
                PrintAndLog("       [block number]");
                PrintAndLog("       [block data] - (8 hex symbols)");
                PrintAndLog("       [w] - Chinese magic ultralight tag");
                PrintAndLog("");
-        PrintAndLog("        sample: hf mfu wrbl 0 01020304");
+               PrintAndLog("        sample: hf mfu wrbl 0 01020304");
                PrintAndLog("");                
-        return 0;
-    }       
-    
+               return 0;
+       }       
+       
        blockNo = param_get8(Cmd, 0);
-    if (blockNo > MAX_ULTRA_BLOCKS){
-        PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
-        return 1;
-    }
+
+       if (blockNo > MAX_ULTRA_BLOCKS){
+               PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
+               return 1;
+       }
        
-    if (param_gethex(Cmd, 1, bldata, 8)) {
-        PrintAndLog("Block data must include 8 HEX symbols");
-        return 1;
-    }
+       if (param_gethex(Cmd, 1, bldata, 8)) {
+               PrintAndLog("Block data must include 8 HEX symbols");
+               return 1;
+       }
        
-    if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
-        chinese_card = TRUE; 
-    }
+       if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
+               chinese_card = TRUE; 
+       }
        
-    if ( blockNo <= 3) {
+       if ( blockNo <= 3) {
                if (!chinese_card){
                        PrintAndLog("Access Denied");
                } else {
@@ -137,58 +136,61 @@ int CmdHF14AMfUWrBl(const char *Cmd){
                        }  
                }
        } else {
-           PrintAndLog("--block no:%02x", blockNo);
-           PrintAndLog("--data: %s", sprint_hex(bldata, 4));           
-           UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
+               PrintAndLog("--block no:%02x", blockNo);
+               PrintAndLog("--data: %s", sprint_hex(bldata, 4));               
+               UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
                memcpy(e.d.asBytes,bldata, 4);
                SendCommand(&e);
-        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-            uint8_t isOK  = resp.arg[0] & 0xff;
-            PrintAndLog("isOk:%02x", isOK);
-        } else {
-            PrintAndLog("Command execute timeout");
-        }
-    }
-    return 0;
+               if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                       uint8_t isOK  = resp.arg[0] & 0xff;
+                       PrintAndLog("isOk:%02x", isOK);
+               } else {
+                       PrintAndLog("Command execute timeout");
+               }
+       }
+       return 0;
 }
 
 //
 //  Mifare Ultralight Read Single Block
 //
 int CmdHF14AMfURdBl(const char *Cmd){
-  
-    uint8_t blockNo = 0;       
 
-       char cmdp = param_getchar(Cmd, 0);
+       UsbCommand resp;
+       uint8_t blockNo = -1;   
+       char cmdp = param_getchar(Cmd, 0);
        
        if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {    
-        PrintAndLog("Usage:  hf mfu rdbl <block number>");
-        PrintAndLog("        sample: hfu mfu rdbl 0");
-        return 0;
-    }       
-        
-    blockNo = param_get8(Cmd, 0);
-    // if (blockNo>MAX_ULTRA_BLOCKS){
-       // PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
-       // return 1;
-    // }
-    PrintAndLog("--block no:0x%02X (%d)", (int)blockNo, blockNo);
-    UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
-    SendCommand(&c);
-
-    UsbCommand resp;
-    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-        uint8_t isOK    = resp.arg[0] & 0xff;
-        uint8_t * data  = resp.d.asBytes;
+               PrintAndLog("Usage:  hf mfu rdbl <block number>");
+               PrintAndLog("        sample: hfu mfu rdbl 0");
+               return 0;
+       }       
                
-               PrintAndLog("isOk: %02x", isOK);
-                       
-        if (isOK)
-            PrintAndLog("Data: %s", sprint_hex(data, 4));
+       blockNo = param_get8(Cmd, 0);
+
+       if (blockNo > MAX_ULTRA_BLOCKS){
+          PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
+          return 1;
+       }
+
+       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
+       SendCommand(&c);
+
+
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+               uint8_t isOK = resp.arg[0] & 0xff;
+               if (isOK) {
+                       uint8_t *data = resp.d.asBytes;
+                       PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
+               }
+               else {
+                       PrintAndLog("Failed reading block: (%02x)", isOK);
+               }
        } else {
-        PrintAndLog("Command execute timeout");
-    }
-    return 0;
+               PrintAndLog("Command execute time-out");
+       }
+       
+       return 0;
 }
 
 //
@@ -196,34 +198,34 @@ int CmdHF14AMfURdBl(const char *Cmd){
 //
 int CmdHF14AMfUDump(const char *Cmd){
 
-    FILE *fout;
+       FILE *fout;
        char filename[FILE_PATH_SIZE] = {0x00};
        char * fnameptr = filename;
        
-    uint8_t *lockbytes_t = NULL;
-    uint8_t lockbytes[2] = {0x00};
+       uint8_t *lockbytes_t = NULL;
+       uint8_t lockbytes[2] = {0x00};
        
-    uint8_t *lockbytes_t2 = NULL;
-    uint8_t lockbytes2[2] = {0x00};
+       uint8_t *lockbytes_t2 = NULL;
+       uint8_t lockbytes2[2] = {0x00};
 
-    bool bit[16]  = {0x00};
+       bool bit[16]  = {0x00};
        bool bit2[16] = {0x00};
        
-    int i;
-    uint8_t BlockNo      = 0;
-    int Pages            = 16;
+       int i;
+       uint8_t BlockNo      = 0;
+       int Pages            = 16;
 
        bool tmplockbit          = false;
-    uint8_t isOK         = 0;
-    uint8_t *data       = NULL;
+       uint8_t isOK         = 0;
+       uint8_t *data       = NULL;
 
-       char cmdp = param_getchar(Cmd, 0);
+       char cmdp = param_getchar(Cmd, 0);
        
        if (cmdp == 'h' || cmdp == 'H') {
                PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag.");
                PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`");              
                PrintAndLog("Usage:  hf mfu dump <c> <filename w/o .bin>");
-               PrintAndLog("     <c>  optional cardtype c == Ultralight-C, if not defaults to Ultralight");
+               PrintAndLog("     <c>  optional cardtype c == Ultralight-C, Defaults to Ultralight");
                PrintAndLog("     sample: hf mfu dump");
                PrintAndLog("           : hf mfu dump myfile");
                PrintAndLog("           : hf mfu dump c myfile");
@@ -234,20 +236,20 @@ int CmdHF14AMfUDump(const char *Cmd){
        Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16;
        
        PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C");
-       
-    UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
-    SendCommand(&c);
-    UsbCommand resp;
+               
+       UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
+       SendCommand(&c);
+       UsbCommand resp;
 
-    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
                isOK  = resp.arg[0] & 0xff;
-        if (!isOK) {                
+               if (!isOK) {                
                        PrintAndLog("Command error");
                        return 0;
                }
                data  = resp.d.asBytes;
        } else {
-               PrintAndLog("Command execute timeout");
+               PrintAndLog("Command execute time-out");
                return 0;
        }
                
@@ -278,7 +280,7 @@ int CmdHF14AMfUDump(const char *Cmd){
                        PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
                        continue;
                }
-                       
+
                switch(i){
                        case 3: tmplockbit = bit[4]; break;
                        case 4: tmplockbit = bit[3]; break;
@@ -332,33 +334,19 @@ int CmdHF14AMfUDump(const char *Cmd){
        else
                len = param_getstr(Cmd,1,filename);
 
-       if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+       if (len > FILE_PATH_SIZE-5) len = FILE_PATH_SIZE-5;
 
        // user supplied filename?
        if (len < 1) {
        
                // UID = data 0-1-2 4-5-6-7  (skips a beat)
-               sprintf(fnameptr, "%02X", data[0]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[1]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[2]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[4]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[5]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[6]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[7]);
-               fnameptr += 2;
+               sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
+                       data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
 
        } else {
-               fnameptr += len;
+               sprintf(fnameptr + len," .bin");
        }
 
-       // add file extension
-       sprintf(fnameptr, ".bin"); 
 
        if ((fout = fopen(filename,"wb")) == NULL) { 
                PrintAndLog("Could not create file name %s", filename);
@@ -368,16 +356,16 @@ int CmdHF14AMfUDump(const char *Cmd){
        fclose(fout);
        
        PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
-    return 0;
+       return 0;
 }
 
 // Needed to Authenticate to Ultralight C tags
 void rol (uint8_t *data, const size_t len){
-    uint8_t first = data[0];
-    for (size_t i = 0; i < len-1; i++) {
-        data[i] = data[i+1];
-    }
-    data[len-1] = first;
+       uint8_t first = data[0];
+       for (size_t i = 0; i < len-1; i++) {
+               data[i] = data[i+1];
+       }
+       data[len-1] = first;
 }
 
 //-------------------------------------------------------------------------------
@@ -388,64 +376,55 @@ void rol (uint8_t *data, const size_t len){
 // Ultralight C Authentication Demo {currently uses hard-coded key}
 //
 int CmdHF14AMfucAuth(const char *Cmd){
-        
-    uint8_t blockNo = 0, keyNo = 0;
-    uint8_t e_RndB[8] = {0x00};
-    uint32_t cuid = 0;
-    unsigned char RndARndB[16] = {0x00};
-    uint8_t key[16] = {0x00};
-    DES_cblock RndA, RndB;
-    DES_cblock iv;
-    DES_key_schedule ks1,ks2;
-    DES_cblock key1,key2;
+
+       uint8_t default_keys[7][16] = {
+               { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
+               { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
+               { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
+               { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
+               { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
+               { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
+               { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }     // 11 22 33
+       };
 
        char cmdp = param_getchar(Cmd, 0);
-       // 
-       memset(iv, 0, 8);
-       
-    if (cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu cauth k <key number>");
-               PrintAndLog("      1 = all zeros key");
-               PrintAndLog("      2 = 0x00-0x0F key");
-               PrintAndLog("      3 = nfc key");
-               PrintAndLog("      4 = all ones key");
-               PrintAndLog("      defaults to 3DES standard key");
-        PrintAndLog("        sample : hf mfu cauth k");
+       
+       uint8_t keyNo = 0;
+       bool errors = false;
+       //Change key to user defined one
+       if (cmdp == 'k' || cmdp == 'K'){
+               keyNo = param_get8(Cmd, 1);
+               if(keyNo > 6) errors = true;
+       }
+
+       if (cmdp == 'h' || cmdp == 'H') {
+               errors = true;
+       }
+
+       if (errors) {
+               PrintAndLog("Usage:  hf mfu cauth k <key number>");
+               PrintAndLog("      0 (default): 3DES standard key");
+               PrintAndLog("      1 : all 0x00 key");
+               PrintAndLog("      2 : 0x00-0x0F key");
+               PrintAndLog("      3 : nfc key");
+               PrintAndLog("      4 : all 0x01 key");
+               PrintAndLog("      5 : all 0xff key");
+               PrintAndLog("      6 : 0x00-0xFF key");         
+               PrintAndLog("\n      sample : hf mfu cauth k");
                PrintAndLog("               : hf mfu cauth k 3");
-        return 0;
-    } 
-    
-    //Change key to user defined one
-    if (cmdp == 'k' || cmdp == 'K'){
+               return 0;
+       } 
+
+       uint8_t random_a[8]     = { 1,1,1,1,1,1,1,1 };
+       //uint8_t enc_random_a[8] = { 0 };
+       uint8_t random_b[8]     = { 0 };
+       uint8_t enc_random_b[8] = { 0 };
+       uint8_t random_a_and_b[16] = { 0 };
+       des3_context ctx        = { 0 };
+       uint8_t *key = default_keys[keyNo];
+       uint8_t blockNo = 0;
+       uint32_t cuid = 0;
 
-               keyNo = param_get8(Cmd, 1);
-        
-               switch(keyNo){
-            case 0:
-                memcpy(key,key1_blnk_data,16);
-                break;
-            case 1:
-                memcpy(key,key2_defa_data,16);
-                break;
-                       case 2: 
-                memcpy(key,key4_nfc_data,16);
-                break;
-                       case 3: 
-                               memcpy(key,key5_ones_data,16);
-                break;
-            default:
-                memcpy(key,key3_3des_data,16);
-                break;
-        }
-    } else {
-        memcpy(key,key3_3des_data,16);  
-    }
-       
-    memcpy(key1,key,8);
-    memcpy(key2,key+8,8);
-    DES_set_key((DES_cblock *)key1,&ks1);
-    DES_set_key((DES_cblock *)key2,&ks2);
-        
        //Auth1
        UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
        SendCommand(&c);
@@ -456,32 +435,54 @@ int CmdHF14AMfucAuth(const char *Cmd){
                uint8_t * data= resp.d.asBytes;
 
                if (isOK){
-                       PrintAndLog("enc(RndB):%s", sprint_hex(data+1, 8));
-                       memcpy(e_RndB,data+1,8);
+                       memcpy(enc_random_b,data+1,8);
                } else {
-                       return 2; // auth failed.
+                       PrintAndLog("Auth failed");
+                       return 2;
                }               
        } else {
                PrintAndLog("Command execute timeout");
                return 1;
        }
-       
-    //Do crypto magic
-    DES_random_key(&RndA);
-    DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
-    PrintAndLog("     RndB:%s",sprint_hex(RndB, 8));
-    PrintAndLog("     RndA:%s",sprint_hex(RndA, 8));
-    rol(RndB,8);
-    memcpy(RndARndB,RndA,8);
-    memcpy(RndARndB+8,RndB,8);
-    PrintAndLog("     RA+B:%s",sprint_hex(RndARndB, 16));
-    DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
-    PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
-
-    //Auth2
-    UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
-    memcpy(d.d.asBytes,RndARndB, 16);
-    SendCommand(&d);
+       uint8_t iv[8]           = { 0 };
+
+       PrintAndLog("     RndA  :%s",sprint_hex(random_a, 8));
+       PrintAndLog("     enc(RndB):%s",sprint_hex(enc_random_b, 8));
+
+       des3_set2key_dec(&ctx, key);
+
+       des3_crypt_cbc(&ctx      // des3_context *ctx
+               , DES_DECRYPT        // int mode
+               , sizeof(random_b)   // size_t length
+               , iv                 // unsigned char iv[8]
+               , enc_random_b       // const unsigned char *input
+               , random_b           // unsigned char *output
+               );
+
+       PrintAndLog("     RndB:%s",sprint_hex(random_b, 8));
+
+       rol(random_b,8);
+       memcpy(random_a_and_b  ,random_a,8);
+       memcpy(random_a_and_b+8,random_b,8);
+       
+       PrintAndLog("     A+B:%s",sprint_hex(random_a_and_b, 16));
+
+       des3_set2key_enc(&ctx, key);
+
+       des3_crypt_cbc(&ctx          // des3_context *ctx
+               , DES_ENCRYPT            // int mode
+               , sizeof(random_a_and_b)   // size_t length
+               , enc_random_b           // unsigned char iv[8]
+               , random_a_and_b         // const unsigned char *input
+               , random_a_and_b         // unsigned char *output
+               );
+
+       PrintAndLog("enc(A+B):%s",sprint_hex(random_a_and_b, 16));
+
+       //Auth2
+       UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
+       memcpy(d.d.asBytes,random_a_and_b, 16);
+       SendCommand(&d);
 
        UsbCommand respb;
        if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
@@ -490,6 +491,23 @@ int CmdHF14AMfucAuth(const char *Cmd){
 
                if (isOK){
                        PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
+                       
+                       uint8_t foo[8] = { 0 };
+                       uint8_t bar[8] = { 0 };
+                       memcpy(foo, data2+1, 8);
+                       des3_set2key_dec(&ctx, key);
+
+                       des3_crypt_cbc(&ctx    // des3_context *ctx
+                               , DES_DECRYPT      // int mode
+                               , 8      // size_t length
+                               , enc_random_b     // unsigned char iv[8]
+                               , foo           // const unsigned char *input
+                               , bar   // unsigned char *output
+                       );
+
+                       PrintAndLog("--> : %s  : <-- Should be equal to our RndA",sprint_hex(bar, 8));
+
+                       
                } else {
                        return 2;
                }
@@ -498,91 +516,204 @@ int CmdHF14AMfucAuth(const char *Cmd){
                PrintAndLog("Command execute timeout");
                return 1;
        } 
-    return 0;
+       return 0;
 }
+/**
+A test function to validate that the polarssl-function works the same 
+was as the openssl-implementation. 
+Commented out, since it requires openssl 
+
+int CmdTestDES(const char * cmd)
+{
+       uint8_t key[16] = {0x00};       
+       
+       memcpy(key,key3_3des_data,16);  
+       DES_cblock RndA, RndB;
+
+       PrintAndLog("----------OpenSSL DES implementation----------");
+       {
+               uint8_t e_RndB[8] = {0x00};
+               unsigned char RndARndB[16] = {0x00};
+
+               DES_cblock iv = { 0 };
+               DES_key_schedule ks1,ks2;
+               DES_cblock key1,key2;
+
+               memcpy(key,key3_3des_data,16);  
+               memcpy(key1,key,8);
+               memcpy(key2,key+8,8);
+
+
+               DES_set_key((DES_cblock *)key1,&ks1);
+               DES_set_key((DES_cblock *)key2,&ks2);
+
+               DES_random_key(&RndA);
+               PrintAndLog("     RndA:%s",sprint_hex(RndA, 8));
+               PrintAndLog("     e_RndB:%s",sprint_hex(e_RndB, 8));
+               //void DES_ede2_cbc_encrypt(const unsigned char *input,
+               //    unsigned char *output, long length, DES_key_schedule *ks1,
+               //    DES_key_schedule *ks2, DES_cblock *ivec, int enc);
+               DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
+
+               PrintAndLog("     RndB:%s",sprint_hex(RndB, 8));
+               rol(RndB,8);
+               memcpy(RndARndB,RndA,8);
+               memcpy(RndARndB+8,RndB,8);
+               PrintAndLog("     RA+B:%s",sprint_hex(RndARndB, 16));
+               DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
+               PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
 
+       }
+       PrintAndLog("----------PolarSSL implementation----------");
+       {
+               uint8_t random_a[8]     = { 0 };
+               uint8_t enc_random_a[8] = { 0 };
+               uint8_t random_b[8]     = { 0 };
+               uint8_t enc_random_b[8] = { 0 };
+               uint8_t random_a_and_b[16] = { 0 };
+               des3_context ctx        = { 0 };
+
+               memcpy(random_a, RndA,8);
+
+               uint8_t output[8]       = { 0 };
+               uint8_t iv[8]           = { 0 };
+
+               PrintAndLog("     RndA  :%s",sprint_hex(random_a, 8));
+               PrintAndLog("     e_RndB:%s",sprint_hex(enc_random_b, 8));
+
+               des3_set2key_dec(&ctx, key);
+
+               des3_crypt_cbc(&ctx      // des3_context *ctx
+                       , DES_DECRYPT        // int mode
+                       , sizeof(random_b)   // size_t length
+                       , iv                 // unsigned char iv[8]
+                       , enc_random_b       // const unsigned char *input
+                       , random_b           // unsigned char *output
+                       );
+
+               PrintAndLog("     RndB:%s",sprint_hex(random_b, 8));
+
+               rol(random_b,8);
+               memcpy(random_a_and_b  ,random_a,8);
+               memcpy(random_a_and_b+8,random_b,8);
+               
+               PrintAndLog("     RA+B:%s",sprint_hex(random_a_and_b, 16));
+
+               des3_set2key_enc(&ctx, key);
+
+               des3_crypt_cbc(&ctx          // des3_context *ctx
+                       , DES_ENCRYPT            // int mode
+                       , sizeof(random_a_and_b)   // size_t length
+                       , enc_random_b           // unsigned char iv[8]
+                       , random_a_and_b         // const unsigned char *input
+                       , random_a_and_b         // unsigned char *output
+                       );
+
+               PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
+       }
+       return 0;       
+}
+**/
 //
 // Ultralight C Read Single Block
 //
 int CmdHF14AMfUCRdBl(const char *Cmd)
 {
-    uint8_t blockNo = -1;
-       char cmdp = param_getchar(Cmd, 0);
+       UsbCommand resp;
+       bool hasPwd = FALSE;
+       uint8_t blockNo = -1;
+       unsigned char key[16];
+       char cmdp = param_getchar(Cmd, 0);
        
        if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu crdbl  <block number>");
-        PrintAndLog("        sample: hf mfu crdbl 0");
-        return 0;
-    }       
-        
-    blockNo = param_get8(Cmd, 0);
+               PrintAndLog("Usage:  hf mfu crdbl  <block number> <password>");
+               PrintAndLog("");
+               PrintAndLog("sample: hf mfu crdbl 0");
+               PrintAndLog("        hf mfu crdbl 0 112233445566778899AABBCCDDEEFF");
+               return 0;
+       }       
+               
+       blockNo = param_get8(Cmd, 0);
        if (blockNo < 0) {
                PrintAndLog("Wrong block number");
                return 1;
        }
        
-    if (blockNo > (MAX_ULTRAC_BLOCKS+4) ){
-        PrintAndLog("Error: Maximum number of readable blocks is 47 for Ultralight-C Cards!");
-        return 1;
-    } 
+       if (blockNo > MAX_ULTRAC_BLOCKS ){
+               PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
+               return 1;
+       
        
-    PrintAndLog("--block no: 0x%02X (%d)", (int)blockNo, blockNo);
+       // key
+       if ( strlen(Cmd) > 3){
+               if (param_gethex(Cmd, 1, key, 32)) {
+                       PrintAndLog("Key must include %d HEX symbols", 32);
+                       return 1;
+               } else {
+                       hasPwd = TRUE;
+               }       
+       }       
 
-    //Read Block
-    UsbCommand e = {CMD_MIFAREU_READBL, {blockNo}};
-    SendCommand(&e);
-    UsbCommand resp_c;
-    if (WaitForResponseTimeout(CMD_ACK,&resp_c,1500)) {
-        uint8_t isOK = resp_c.arg[0] & 0xff;
-        uint8_t *data = resp_c.d.asBytes;
-               
-               PrintAndLog("isOk: %02x", isOK);
-        if (isOK)
-            PrintAndLog("Data: %s", sprint_hex(data, 4));
-                       
+       //Read Block
+       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
+       if ( hasPwd ) {
+               c.arg[1] = 1;
+               memcpy(c.d.asBytes,key,16);
+       }
+       SendCommand(&c);
+
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+               uint8_t isOK = resp.arg[0] & 0xff;
+               if (isOK) {
+                       uint8_t *data = resp.d.asBytes;
+                       PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
+               }
+               else {
+                       PrintAndLog("Failed reading block: (%02x)", isOK);
+               }
        } else {
-               PrintAndLog("Command execute timeout");
+               PrintAndLog("Command execute time-out");
        }
-    return 0;
+       return 0;
 }
 
 //
 //  Mifare Ultralight C Write Single Block
 //
 int CmdHF14AMfUCWrBl(const char *Cmd){
-    
-    uint8_t blockNo = 0;
-    bool chinese_card = FALSE;
-    uint8_t bldata[16] = {0x00};
-    UsbCommand resp;
+       
+       uint8_t blockNo = -1;
+       bool chinese_card = FALSE;
+       uint8_t bldata[16] = {0x00};
+       UsbCommand resp;
 
-       char cmdp = param_getchar(Cmd, 0);
+       char cmdp = param_getchar(Cmd, 0);
        
        if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {    
-        PrintAndLog("Usage:  hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
+               PrintAndLog("Usage:  hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
                PrintAndLog("       [block number]");
                PrintAndLog("       [block data] - (8 hex symbols)");
                PrintAndLog("       [w] - Chinese magic ultralight tag");
                PrintAndLog("");
-        PrintAndLog("        sample: hf mfu cwrbl 0 01020304");
+               PrintAndLog("        sample: hf mfu cwrbl 0 01020304");
                PrintAndLog("");
-        return 0;
-    }
+               return 0;
+       }
        
-    blockNo = param_get8(Cmd, 0);
-    if (blockNo > (MAX_ULTRAC_BLOCKS+4) ){
-        PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
-        return 1;
-    }
+       blockNo = param_get8(Cmd, 0);
+       if (blockNo > MAX_ULTRAC_BLOCKS ){
+               PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
+               return 1;
+       }
        
-    if (param_gethex(Cmd, 1, bldata, 8)) {
-        PrintAndLog("Block data must include 8 HEX symbols");
-        return 1;
-    }
+       if (param_gethex(Cmd, 1, bldata, 8)) {
+               PrintAndLog("Block data must include 8 HEX symbols");
+               return 1;
+       }
        
-    if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
-        chinese_card = TRUE; 
-    }
+       if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
+               chinese_card = TRUE; 
+       }
        
        if ( blockNo <= 3 ) {
                if (!chinese_card){
@@ -601,45 +732,192 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
                        }  
                }       
        } else {
-            PrintAndLog("--Block no : 0x%02x", blockNo);
-            PrintAndLog("--Data: %s", sprint_hex(bldata, 4));          
-            UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
-            memcpy(e.d.asBytes,bldata, 4);
-            SendCommand(&e);
-            if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                uint8_t isOK  = resp.arg[0] & 0xff;
-                PrintAndLog("isOk : %02x", isOK);
-            } else {
-                PrintAndLog("Command execute timeout");
-            }
+                       PrintAndLog("--Block no : 0x%02x", blockNo);
+                       PrintAndLog("--Data: %s", sprint_hex(bldata, 4));               
+                       UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
+                       memcpy(e.d.asBytes,bldata, 4);
+                       SendCommand(&e);
+                       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                               uint8_t isOK  = resp.arg[0] & 0xff;
+                               PrintAndLog("isOk : %02x", isOK);
+                       } else {
+                               PrintAndLog("Command execute timeout");
+                       }
        }
        return 0;
 }
 
+// 
+// Mifare Ultralight C - Set password
+//
+int CmdHF14AMfucSetPwd(const char *Cmd){
+
+       uint8_t pwd[16] = {0x00};
+       
+       char cmdp = param_getchar(Cmd, 0);
+       
+       if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {  
+               PrintAndLog("Usage:  hf mfu setpwd <password (32 hex symbols)>");
+               PrintAndLog("       [password] - (32 hex symbols)");
+               PrintAndLog("");
+               PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
+               PrintAndLog("");
+               return 0;
+       }
+       
+       if (param_gethex(Cmd, 0, pwd, 32)) {
+               PrintAndLog("Password must include 32 HEX symbols");
+               return 1;
+       }
+       
+       UsbCommand c = {CMD_MIFAREUC_SETPWD};   
+       memcpy( c.d.asBytes, pwd, 16);
+       SendCommand(&c);
+
+       UsbCommand resp;
+       
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+               if ( (resp.arg[0] & 0xff) == 1)
+                       PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
+               else{
+                       PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
+                       return 1;
+               }
+       }
+       else {
+               PrintAndLog("command execution time out");
+               return 1;
+       }
+       
+       return 0;
+}
+
+//
+// Mifare Ultraligh - Set UID
+//
+int CmdHF14AMfucSetUid(const char *Cmd){
+
+       uint8_t uid[7] = {0x00};
+       char cmdp = param_getchar(Cmd, 0);
+       
+       if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {  
+               PrintAndLog("Usage:  hf mfu setuid <uid (14 hex symbols)>");
+               PrintAndLog("       [uid] - (14 hex symbols)");
+               PrintAndLog("");
+               PrintAndLog("sample: hf mfu setuid 11223344556677");
+               PrintAndLog("");
+               return 0;
+       }
+       
+       if (param_gethex(Cmd, 0, uid, 14)) {
+               PrintAndLog("Password must include 14 HEX symbols");
+               return 1;
+       }
+
+       UsbCommand c = {CMD_MIFAREU_SETUID};    
+       memcpy( c.d.asBytes, uid, 14);
+       SendCommand(&c);
+
+       UsbCommand resp;        
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+               if ( (resp.arg[0] & 0xff) == 1)
+                       PrintAndLog("New UID: %s", sprint_hex(uid,14));
+               else{
+                       PrintAndLog("Failed writing new uid");
+                       return 1;
+               }
+       }
+       else {
+               PrintAndLog("command execution time out");
+               return 1;
+       }
+       return 0;
+}
+
+int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
+       
+       uint8_t iv[8] = { 0x00 };
+       uint8_t block = 0x07;
+       
+       uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
+       uint8_t mifarekey[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+       uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
+       
+       uint8_t mix[8] = { 0x00 };
+       uint8_t divkey[8] = { 0x00 };
+       
+       memcpy(mix, mifarekey, 4);
+       
+       mix[4] = mifarekey[4] ^ uid[0];
+       mix[5] = mifarekey[5] ^ uid[1];
+       mix[6] = block ^ uid[2];
+       mix[7] = uid[3];
+       
+       des3_context ctx = { 0x00 };
+       des3_set2key_enc(&ctx, masterkey);
+
+       des3_crypt_cbc(&ctx  // des3_context
+               , DES_ENCRYPT    // int mode
+               , sizeof(mix)    // length
+               , iv             // iv[8]
+               , mix            // input
+               , divkey         // output
+               );
+
+       PrintAndLog("3DES version");
+       PrintAndLog("Masterkey    :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
+       PrintAndLog("UID          :\t %s", sprint_hex(uid, sizeof(uid)));
+       PrintAndLog("Sector       :\t %0d", block);
+       PrintAndLog("Mifare key   :\t %s", sprint_hex(mifarekey, sizeof(mifarekey)));
+       PrintAndLog("Message      :\t %s", sprint_hex(mix, sizeof(mix)));
+       PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
+               
+       return 0;
+}
+
+// uint8_t * diversify_key(uint8_t * key){
+ // for(int i=0; i<16; i++){
+   // if(i<=6) key[i]^=cuid[i];
+   // if(i>6) key[i]^=cuid[i%7];
+ // }
+ // return key;
+// }
+
+// static void GenerateUIDe( uint8_t *uid, uint8_t len){
+       // for (int i=0; i<len; ++i){
+                       
+       // }
+       // return;
+// }
+
 //------------------------------------
 // Menu Stuff
 //------------------------------------
 static command_t CommandTable[] =
 {
-    {"help",   CmdHelp,                        1,"This help"},
-    {"dbg",            CmdHF14AMfDbg,          0,"Set default debug mode"},
+       {"help",        CmdHelp,                        1,"This help"},
+       {"dbg",         CmdHF14AMfDbg,          0,"Set default debug mode"},
        {"info",        CmdHF14AMfUInfo,        0,"Taginfo"},
        {"dump",        CmdHF14AMfUDump,        0,"Dump MIFARE Ultralight / Ultralight-C tag to binary file"},
-    {"rdbl",   CmdHF14AMfURdBl,        0,"Read block - MIFARE Ultralight"},
-    {"wrbl",   CmdHF14AMfUWrBl,        0,"Write block - MIFARE Ultralight"},    
-    {"crdbl",  CmdHF14AMfUCRdBl,       0,"Read block - MIFARE Ultralight C"},
-    {"cwrbl",  CmdHF14AMfUCWrBl,       0,"Write MIFARE Ultralight C block"},   
-       {"cauth",       CmdHF14AMfucAuth,       0,"try a Ultralight C Authentication"},
-    {NULL, NULL, 0, NULL}
+       {"rdbl",        CmdHF14AMfURdBl,        0,"Read block  - MIFARE Ultralight"},
+       {"wrbl",        CmdHF14AMfUWrBl,        0,"Write block - MIFARE Ultralight"},    
+       {"crdbl",       CmdHF14AMfUCRdBl,       0,"Read block  - MIFARE Ultralight C"},
+       {"cwrbl",       CmdHF14AMfUCWrBl,       0,"Write block - MIFARE Ultralight C"},
+       {"cauth",       CmdHF14AMfucAuth,       0,"Ultralight C Authentication"},
+       //{"testdes", CmdTestDES ,        1, "Test DES"},
+       {"setpwd", CmdHF14AMfucSetPwd , 1, "Set 3des password [Ultralight-C only]"},
+       {"setuid", CmdHF14AMfucSetUid , 1, "Set UID"},
+       {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
+       {NULL, NULL, 0, NULL}
 };
 
 int CmdHFMFUltra(const char *Cmd){
-    WaitForResponseTimeout(CMD_ACK,NULL,100);
-    CmdsParse(CommandTable, Cmd);
-    return 0;
+       WaitForResponseTimeout(CMD_ACK,NULL,100);
+       CmdsParse(CommandTable, Cmd);
+       return 0;
 }
 
 int CmdHelp(const char *Cmd){
-    CmdsHelp(CommandTable);
-    return 0;
+       CmdsHelp(CommandTable);
+       return 0;
 }
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