import 'dart:io'; import 'package:flutter/services.dart'; import 'package:http/http.dart' as http; import 'package:http/io_client.dart'; Future createEspHttpClient() async { final certData = await rootBundle.load("assets/certificates/rootCA.crt"); final certBytes = certData.buffer.asUint8List(); SecurityContext securityContext = SecurityContext.defaultContext; securityContext.setTrustedCertificatesBytes(certBytes); HttpClient client = HttpClient(context: securityContext); return IOClient(client); }