TheGeekPharaoh

        let testBundle = Bundle(for: type(of: self))
        
        guard let textUrl = testBundle.url(forResource: "test_message", withExtension: "txt"),
            let signingKeyUrl = testBundle.url(forResource: "key", withExtension: "pem"),
            let signingCertUrl = testBundle.url(forResource: "cert", withExtension: "pem") else {
                exit(1)
        }
        
        let certFileObject = signingCertUrl.path.withCString { filePtr in
            return fopen(filePtr, "rb")

TheGeekPharaoh

package de.tdlabs.training.keycloak;

import static java.util.Arrays.asList;

import javax.ws.rs.core.Response;

import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.keycloak.admin.client.Keycloak;
import org.keycloak.admin.client.KeycloakBuilder;
import org.keycloak.representations.idm.CredentialRepresentation;