keyStore.load(null, null);
            keyStore.setCertificateEntry("server", certificate);

            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(keyStore);

            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, trustManagerFactory.getTrustManagers(), null);

  open fun newSSLContext(): SSLContext = SSLContext.getInstance("TLS")

  open fun platformTrustManager(): X509TrustManager {
    val factory =
      TrustManagerFactory.getInstance(
        TrustManagerFactory.getDefaultAlgorithm(),
      )
    factory.init(null as KeyStore?)
    val trustManagers = factory.trustManagers!!
    check(trustManagers.size == 1 && trustManagers[0] is X509TrustManager) {

      Security.insertProviderAt(BouncyCastleJsseProvider(), 2)

      var socketClass: String? = null

      val trustManager =
        TrustManagerFactory
          .getInstance(TrustManagerFactory.getDefaultAlgorithm())
          .apply {
            init(null as KeyStore?)
          }.trustManagers
          .first() as X509TrustManager

      val sslContext =
        Platform.get().newSSLContext().apply {