oh no

lib/nfc/helpers/mf_classic_dict.h

@@ -64,7 +64,7 @@ bool mf_classic_dict_get_next_key_str(MfClassicDict* dict, FuriString* key);
  */
 bool mf_classic_dict_get_key_at_index(MfClassicDict* dict, uint64_t* key, uint32_t target);
 
-/** Get key at target offset as string_t
+/** Get key at target offset as FuriString*
  *
  * @param      dict    MfClassicDict instance
  * @param[out] key     Found key destination buffer

lib/nfc/helpers/mfkey32.c

@@ -91,9 +91,9 @@ void mfkey32_set_callback(Mfkey32* instance, Mfkey32ParseDataCallback callback,
 }
 
 static bool mfkey32_write_params(Mfkey32* instance, Mfkey32Params* params) {
-    string_t str;
-    string_init_printf(
-        str,
+    FuriString* str;
+
+    str = furi_string_alloc_printf(
         "Sec %d key %c cuid %08x nt0 %08x nr0 %08x ar0 %08x nt1 %08x nr1 %08x ar1 %08x\n",
         params->sector,
         params->key == MfClassicKeyA ? 'A' : 'B',

lib/nfc/nfc_device.c

@@ -950,9 +950,9 @@ static bool nfc_device_save_mifare_classic_keys(NfcDevice* dev) {
             }
             if(!key_save_success) break;
             if(FURI_BIT(data->key_b_mask, i)) {
-                string_printf(temp_str, "Key B sector %d", i);
-                key_save_success =
-                    flipper_format_write_hex(file, string_get_cstr(temp_str), sec_tr->key_b, 6);
+                furi_string_printf(temp_str, "Key B sector %d", i);
+                key_save_success = flipper_format_write_hex(
+                    file, furi_string_get_cstr(temp_str), sec_tr->key_b, 6);
             }
         }
         save_success = key_save_success;