Fix for issue #104 Oxalis-AS4 v.4.1.7 cannot read keystore

src/main/java/no/difi/oxalis/as4/common/As4CommonModule.java

@@ -42,9 +42,7 @@
 import org.apache.cxf.Bus;
 import org.apache.cxf.BusFactory;
 import org.apache.wss4j.dom.engine.WSSConfig;
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
 
-import java.security.Provider;
 import java.security.Security;
 
 import static no.difi.oxalis.as4.common.AS4Constants.*;
@@ -64,14 +62,8 @@ protected void configure() {
         new OxalisAlgorithmSuiteLoader(bus);
         BusFactory.setThreadDefaultBus(bus);
 
+        Security.setProperty("jdk.security.provider.preferred", "AES/GCM/NoPadding:BC");
         WSSConfig.init();
-
-        // Make sure that BouncyCastle is the preferred security provider
-        final Provider[] providers = Security.getProviders();
-        if (providers != null && providers.length > 0)
-            Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
-        log.debug("Registering BouncyCastle as preferred Java security provider");
-        Security.insertProviderAt(new BouncyCastleProvider(), 1);
     }
 
     @Provides