feat: Use test containers for SFTP/Mina-sftp tests and remove certs from the repo

* remove cert files and use testcontainers

* Add RSA certificate test to mina-sftp

* ssh remove net.i2p.crypto eddsa support

Author: gansheer

extensions/ftp/deployment/src/main/java/org/apache/camel/quarkus/component/ftp/deployment/FtpProcessor.java

@@ -27,4 +27,5 @@ class FtpProcessor {
     FeatureBuildItem feature() {
         return new FeatureBuildItem(FEATURE);
     }
+
 }

extensions/ssh/deployment/src/main/java/org/apache/camel/quarkus/component/ssh/deployment/SshProcessor.java

@@ -19,6 +19,8 @@
 import java.security.KeyFactory;
 import java.security.KeyPairGenerator;
 import java.security.Signature;
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import javax.crypto.KeyAgreement;
@@ -33,7 +35,6 @@
 import io.quarkus.deployment.builditem.nativeimage.NativeImageResourceBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.RuntimeInitializedClassBuildItem;
-import net.i2p.crypto.eddsa.EdDSAEngine;
 import org.apache.sshd.common.channel.ChannelListener;
 import org.apache.sshd.common.forward.PortForwardingEventListener;
 import org.apache.sshd.common.io.nio2.Nio2ServiceFactoryFactory;
@@ -51,15 +52,29 @@ FeatureBuildItem feature() {
 
     @BuildStep
     void registerForReflection(BuildProducer<ReflectiveClassBuildItem> reflectiveClasses) {
+        // Register standard Java security and SSHD classes
+        List<Class<?>> classes = new ArrayList<>(Arrays.asList(
+                KeyPairGenerator.class,
+                KeyAgreement.class,
+                KeyFactory.class,
+                Signature.class,
+                Mac.class,
+                Nio2ServiceFactoryFactory.class));
+
+        // Conditionally register net.i2p.crypto EdDSA classes only if present on classpath.
+        // When net.i2p.crypto:eddsa is excluded, Apache SSHD 2.15+ automatically falls back
+        // to BouncyCastle for EdDSA support (see BouncyCastleSecurityProviderRegistrar).
+        try {
+            classes.add(Class.forName("net.i2p.crypto.eddsa.EdDSAEngine", false,
+                    Thread.currentThread().getContextClassLoader()));
+            classes.add(Class.forName("net.i2p.crypto.eddsa.KeyFactory", false,
+                    Thread.currentThread().getContextClassLoader()));
+        } catch (ClassNotFoundException e) {
+            // EdDSA classes not available - BouncyCastle will handle EdDSA instead
+        }
+
         reflectiveClasses.produce(
-                ReflectiveClassBuildItem.builder(KeyPairGenerator.class,
-                        KeyAgreement.class,
-                        KeyFactory.class,
-                        Signature.class,
-                        Mac.class,
-                        Nio2ServiceFactoryFactory.class,
-                        EdDSAEngine.class,
-                        net.i2p.crypto.eddsa.KeyFactory.class).methods().build());
+                ReflectiveClassBuildItem.builder(classes.toArray(new Class<?>[0])).methods().build());
     }
 
     @BuildStep

extensions/ssh/runtime/pom.xml

@@ -48,12 +48,6 @@
             <groupId>org.apache.camel.quarkus</groupId>
             <artifactId>camel-quarkus-support-bouncycastle</artifactId>
         </dependency>
-        <!-- TODO: Remove this as it's an optional dependency -->
-        <!-- https://github.com/apache/camel-quarkus/issues/2212 -->
-        <dependency>
-            <groupId>net.i2p.crypto</groupId>
-            <artifactId>eddsa</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.graalvm.sdk</groupId>
             <artifactId>nativeimage</artifactId>

extensions/ssh/runtime/src/main/java/org/apache/camel/quarkus/component/ssh/runtime/SubstituteEdDSAEngine.java

@@ -38,12 +38,8 @@
             <artifactId>camel-quarkus-integration-test-support</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.apache.sshd</groupId>
-            <artifactId>sshd-sftp</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.sshd</groupId>
-            <artifactId>sshd-scp</artifactId>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>testcontainers</artifactId>
         </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>