+ uint32_t id = bytes_to_num(resp.d.asBytes,4);
+
+ char filename[FILE_PATH_SIZE];
+ FILE* f = NULL;
+ sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
+ f = fopen(filename,"wb");
+ if (!f) {
+ PrintAndLog("Error: Could not open file [%s]",filename);
+ return 1;
+ }
+
+ // Write the 48 tag memory bytes to file and finalize
+ fwrite(resp.d.asBytes, 1, 48, f);
+ fclose(f);
+ PrintAndLog("Succesfully saved tag memory to [%s]",filename);
+ return 0;
+}
+
+int CmdLFHitagSimS(const char *Cmd) {
+ UsbCommand c = { CMD_SIMULATE_HITAG_S };
+ char filename[FILE_PATH_SIZE] = { 0x00 };
+ FILE* f;
+ bool tag_mem_supplied;
+ int len = strlen(Cmd);
+ if (len > FILE_PATH_SIZE)
+ len = FILE_PATH_SIZE;
+ memcpy(filename, Cmd, len);
+
+ if (strlen(filename) > 0) {
+ f = fopen(filename, "rb+");
+ if (!f) {
+ PrintAndLog("Error: Could not open file [%s]", filename);
+ return 1;
+ }
+ tag_mem_supplied = true;
+ size_t bytes_read = fread(c.d.asBytes, 4*64, 1, f);
+ if ( bytes_read == 0) {
+ PrintAndLog("Error: File reading error");
+ fclose(f);
+ return 1;
+ }
+ fclose(f);
+ } else {
+ tag_mem_supplied = false;
+ }
+
+ // Does the tag comes with memory
+ c.arg[0] = (uint32_t) tag_mem_supplied;
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdLFHitagCheckChallenges(const char *Cmd) {
+ UsbCommand c = { CMD_TEST_HITAGS_TRACES };
+ char filename[FILE_PATH_SIZE] = { 0x00 };
+ FILE* f;
+ bool file_given;
+ int len = strlen(Cmd);
+ if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+ memcpy(filename, Cmd, len);
+
+ if (strlen(filename) > 0) {
+ f = fopen(filename,"rb+");
+ if( !f ) {
+ PrintAndLog("Error: Could not open file [%s]", filename);
+ return 1;
+ }
+ file_given = true;
+ size_t bytes_read = fread(c.d.asBytes, 8*60, 1, f);
+ if ( bytes_read == 0) {
+ PrintAndLog("Error: File reading error");
+ fclose(f);
+ return 1;
+ }
+ fclose(f);
+ } else {
+ file_given = false;
+ }
+
+ //file with all the challenges to try
+ c.arg[0] = (uint32_t)file_given;
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdLFHitagWP(const char *Cmd) {
+ UsbCommand c = { CMD_WR_HITAG_S };
+ hitag_data* htd = (hitag_data*)c.d.asBytes;
+ hitag_function htf = param_get32ex(Cmd,0,0,10);
+ switch (htf) {
+ case 03: { //WHTSF_CHALLENGE
+ num_to_bytes(param_get64ex(Cmd,1,0,16),8,htd->auth.NrAr);
+ c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
+ num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->auth.data);
+ } break;
+ case 04: { //WHTSF_KEY
+ num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
+ c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
+ num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->crypto.data);
+
+ } break;
+ default: {
+ PrintAndLog("Error: unkown writer function %d",htf);
+ PrintAndLog("Hitag writer functions");
+ PrintAndLog(" HitagS (0*)");
+ PrintAndLog(" 03 <nr,ar> (Challenge) <page> <byte0...byte3> write page on a Hitag S tag");
+ PrintAndLog(" 04 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
+ PrintAndLog(" Hitag1 (1*)");
+ PrintAndLog(" Hitag2 (2*)");
+ return 1;
+ } break;
+ }
+ // Copy the hitag function into the first argument
+ c.arg[0] = htf;
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+
+ // Check the return status, stored in the first argument
+ if (resp.arg[0] == false) return 1;
+ return 0;