How to use

toSignedBase64

method

in

com.linecorp.armeria.server.saml.HttpPostBindingUtil

private HttpResponse respond(LogoutResponse logoutResponse, SamlEndpoint sloResEndpoint) {
  if (sloResEndpoint.bindingProtocol() == SamlBindingProtocol.HTTP_REDIRECT) {
    return responseWithLocation(toRedirectionUrl(
        logoutResponse, sloResEndpoint.toUriString(), SAML_RESPONSE,
        signingCredential, signatureAlgorithm, null));
  } else {
    final String value = toSignedBase64(logoutResponse, signingCredential,
                      signatureAlgorithm);
    final HttpData body = getSsoForm(sloResEndpoint.toUriString(),
                     SAML_RESPONSE, value, null);
    return HttpResponse.of(HttpStatus.OK, MediaType.HTML_UTF_8, body);
  }
}

private AggregatedHttpMessage sendViaHttpPostBindingProtocol(
    String path, String paramName, SignableSAMLObject sinableObj) throws Exception {
  final String encoded = toSignedBase64(sinableObj, idpCredential, signatureAlgorithm);
  final QueryStringEncoder encoder = new QueryStringEncoder("/");
  encoder.addParam(paramName, encoded);
  final HttpRequest req = HttpRequest.of(HttpMethod.POST, path, MediaType.FORM_DATA,
                      encoder.toUri().getRawQuery());
  return client.execute(req).aggregate().join();
}

      relayState));
} else {
  final String value = toSignedBase64(
      arg.messageContext.getMessage(),
      signingCredential,

private HttpResponse respond(LogoutResponse logoutResponse, SamlEndpoint sloResEndpoint) {
  if (sloResEndpoint.bindingProtocol() == SamlBindingProtocol.HTTP_REDIRECT) {
    return responseWithLocation(toRedirectionUrl(
        logoutResponse, sloResEndpoint.toUriString(), SAML_RESPONSE,
        signingCredential, signatureAlgorithm, null));
  } else {
    final String value = toSignedBase64(logoutResponse, signingCredential,
                      signatureAlgorithm);
    final HttpData body = getSsoForm(sloResEndpoint.toUriString(),
                     SAML_RESPONSE, value, null);
    return HttpResponse.of(HttpStatus.OK, MediaType.HTML_UTF_8, body);
  }
}

      relayState));
} else {
  final String value = toSignedBase64(
      arg.messageContext.getMessage(),
      signingCredential,