diff --git a/gradle/compile/java.gradle b/gradle/compile/java.gradle
index b011802..8d7f2e5 100644
--- a/gradle/compile/java.gradle
+++ b/gradle/compile/java.gradle
@@ -22,10 +22,11 @@ jar {
 }
 
 tasks.withType(JavaCompile) {
-    options.compilerArgs.add('-Xlint:all,-exports')
+    options.compilerArgs.add('-Xlint:all')
+    options.encoding = 'UTF-8'
 }
 
-javadoc {
+tasks.withType(Javadoc) {
     options.addStringOption('Xdoclint:none', '-quiet')
 }
 
diff --git a/net-bouncycastle/src/main/java/module-info.java b/net-bouncycastle/src/main/java/module-info.java
index 2d6a788..690a6c5 100644
--- a/net-bouncycastle/src/main/java/module-info.java
+++ b/net-bouncycastle/src/main/java/module-info.java
@@ -2,7 +2,7 @@ import org.xbib.net.security.CertificateProvider;
 import org.xbib.net.bouncycastle.BouncyCastleCertificateProvider;
 
 module org.xbib.net.bouncycastle {
-    requires org.xbib.net.security;
+    requires transitive org.xbib.net.security;
     requires org.bouncycastle.pkix;
     requires org.bouncycastle.provider;
     exports org.xbib.net.bouncycastle;
diff --git a/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/BouncyCastleCertificateProvider.java b/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/BouncyCastleCertificateProvider.java
index a57ef1e..b86f5ff 100644
--- a/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/BouncyCastleCertificateProvider.java
+++ b/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/BouncyCastleCertificateProvider.java
@@ -5,7 +5,6 @@ import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.bouncycastle.openssl.PEMKeyPair;
 import org.bouncycastle.openssl.PEMParser;
 import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
-import org.bouncycastle.operator.OperatorCreationException;
 import org.xbib.net.security.CertificateProvider;
 
 import java.io.IOException;
@@ -13,8 +12,6 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
 import java.security.KeyPair;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
 import java.security.PrivateKey;
 import java.security.Provider;
 import java.security.SecureRandom;
@@ -55,12 +52,8 @@ public class BouncyCastleCertificateProvider implements CertificateProvider {
 
     @Override
     public Map.Entry<PrivateKey, Collection<? extends X509Certificate>> provideSelfSigned(String fullQualifiedDomainName) throws CertificateException, IOException {
-        try {
-            SelfSignedCertificate selfSignedCertificate = new SelfSignedCertificate();
-            selfSignedCertificate.generate(fullQualifiedDomainName, secureRandom, 2048);
-            return Map.entry(selfSignedCertificate.getPrivateKey(), List.of(selfSignedCertificate.getCertificate()));
-        } catch (NoSuchProviderException | NoSuchAlgorithmException | OperatorCreationException e) {
-            throw new IOException(e);
-        }
+        SelfSignedCertificate selfSignedCertificate = new SelfSignedCertificate();
+        selfSignedCertificate.generate(fullQualifiedDomainName, secureRandom, 2048);
+        return Map.entry(selfSignedCertificate.getPrivateKey(), List.of(selfSignedCertificate.getCertificate()));
     }
 }
diff --git a/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/SelfSignedCertificate.java b/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/SelfSignedCertificate.java
index 52c6953..eb8ecf0 100644
--- a/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/SelfSignedCertificate.java
+++ b/net-bouncycastle/src/main/java/org/xbib/net/bouncycastle/SelfSignedCertificate.java
@@ -70,44 +70,45 @@ public final class SelfSignedCertificate {
      * @param fqdn a fully qualified domain name
      * @param random the {@link SecureRandom} to use
      * @param bits the number of bits of the generated private key
-     * @throws NoSuchAlgorithmException if algorithm does not exist
-     * @throws NoSuchProviderException if provider does not exist
-     * @throws OperatorCreationException if provider does not exist
      * @throws IOException if generation fails
      */
     public void generate(String fqdn, SecureRandom random, int bits)
-            throws IOException, NoSuchProviderException, NoSuchAlgorithmException, OperatorCreationException {
-        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA", "BC");
-        keyGen.initialize(bits, random);
-        KeyPair keypair = keyGen.generateKeyPair();
-        this.key = keypair.getPrivate();
-        X500Name name = new X500Name("CN=" + fqdn);
-        SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(keypair.getPublic().getEncoded());
-        X509v3CertificateBuilder certificateBuilder =
-                new X509v3CertificateBuilder(name, BigInteger.valueOf(System.currentTimeMillis()),
-                        DEFAULT_NOT_BEFORE, DEFAULT_NOT_AFTER, name, subjectPublicKeyInfo);
-        AlgorithmIdentifier sigAlgId =
-                new DefaultSignatureAlgorithmIdentifierFinder().find("SHA256WithRSAEncryption");
-        AlgorithmIdentifier digestAlgId =
-                new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
-        AsymmetricKeyParameter caPrivateKeyParameters = PrivateKeyFactory.createKey(key.getEncoded());
-        ContentSigner contentSigner = new BcRSAContentSignerBuilder(sigAlgId, digestAlgId)
-                .build(caPrivateKeyParameters);
-        this.cert = certificateBuilder.build(contentSigner);
-        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        outputStream.write(BEGIN_KEY.getBytes(StandardCharsets.US_ASCII));
-        outputStream.write('\n');
-        writeEncoded(key.getEncoded(), outputStream);
-        outputStream.write(END_KEY.getBytes(StandardCharsets.US_ASCII));
-        outputStream.write('\n');
-        this.keyBytes = outputStream.toByteArray();
-        outputStream = new ByteArrayOutputStream();
-        outputStream.write(BEGIN_CERT.getBytes(StandardCharsets.US_ASCII));
-        outputStream.write('\n');
-        writeEncoded(cert.getEncoded(), outputStream);
-        outputStream.write(END_CERT.getBytes(StandardCharsets.US_ASCII));
-        outputStream.write('\n');
-        this.certBytes = outputStream.toByteArray();
+            throws IOException {
+        try {
+            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA", "BC");
+            keyGen.initialize(bits, random);
+            KeyPair keypair = keyGen.generateKeyPair();
+            this.key = keypair.getPrivate();
+            X500Name name = new X500Name("CN=" + fqdn);
+            SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(keypair.getPublic().getEncoded());
+            X509v3CertificateBuilder certificateBuilder =
+                    new X509v3CertificateBuilder(name, BigInteger.valueOf(System.currentTimeMillis()),
+                            DEFAULT_NOT_BEFORE, DEFAULT_NOT_AFTER, name, subjectPublicKeyInfo);
+            AlgorithmIdentifier sigAlgId =
+                    new DefaultSignatureAlgorithmIdentifierFinder().find("SHA256WithRSAEncryption");
+            AlgorithmIdentifier digestAlgId =
+                    new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
+            AsymmetricKeyParameter caPrivateKeyParameters = PrivateKeyFactory.createKey(key.getEncoded());
+            ContentSigner contentSigner = new BcRSAContentSignerBuilder(sigAlgId, digestAlgId)
+                    .build(caPrivateKeyParameters);
+            this.cert = certificateBuilder.build(contentSigner);
+            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+            outputStream.write(BEGIN_KEY.getBytes(StandardCharsets.US_ASCII));
+            outputStream.write('\n');
+            writeEncoded(key.getEncoded(), outputStream);
+            outputStream.write(END_KEY.getBytes(StandardCharsets.US_ASCII));
+            outputStream.write('\n');
+            this.keyBytes = outputStream.toByteArray();
+            outputStream = new ByteArrayOutputStream();
+            outputStream.write(BEGIN_CERT.getBytes(StandardCharsets.US_ASCII));
+            outputStream.write('\n');
+            writeEncoded(cert.getEncoded(), outputStream);
+            outputStream.write(END_CERT.getBytes(StandardCharsets.US_ASCII));
+            outputStream.write('\n');
+            this.certBytes = outputStream.toByteArray();
+        } catch (NoSuchProviderException | NoSuchAlgorithmException | OperatorCreationException e) {
+            throw new IOException(e);
+        }
     }
 
     /**
diff --git a/net-security/src/main/java/module-info.java b/net-security/src/main/java/module-info.java
index cee7b1e..1a8e45e 100644
--- a/net-security/src/main/java/module-info.java
+++ b/net-security/src/main/java/module-info.java
@@ -11,5 +11,6 @@ module org.xbib.net.security {
     exports org.xbib.net.security.eddsa.spec;
     exports org.xbib.net.security.signatures;
     exports org.xbib.net.security.ssl;
+    exports org.xbib.net.security.ssl.trustmanager;
     exports org.xbib.net.security.util;
 }
diff --git a/net-socket/src/main/java/module-info.java b/net-socket/src/main/java/module-info.java
index 9507bd4..cba6f25 100644
--- a/net-socket/src/main/java/module-info.java
+++ b/net-socket/src/main/java/module-info.java
@@ -1,6 +1,6 @@
 module org.xbib.net.socket {
     requires java.logging;
-    requires com.sun.jna;
+    requires transitive com.sun.jna;
     exports org.xbib.net.socket;
     exports org.xbib.net.socket.v4;
     exports org.xbib.net.socket.v4.bsd;
diff --git a/net/src/main/java/module-info.java b/net/src/main/java/module-info.java
index 1562019..f4ae050 100644
--- a/net/src/main/java/module-info.java
+++ b/net/src/main/java/module-info.java
@@ -15,7 +15,7 @@ module org.xbib.net {
     exports org.xbib.net.util;
     requires transitive org.xbib.datastructures.common;
     requires java.management;
-    requires java.logging;
+    requires transitive java.logging;
     uses DataBufferFactory;
     provides DataBufferFactory with DefaultDataBufferFactory;
 }