kwin commented on code in PR #155:
URL: https://github.com/apache/maven-scm/pull/155#discussion_r926902369


##########
maven-scm-providers/maven-scm-providers-git/maven-scm-provider-gittest/src/main/java/org/apache/maven/scm/provider/git/command/checkout/GitSshCheckOutCommandTckTest.java:
##########
@@ -0,0 +1,190 @@
+package org.apache.maven.scm.provider.git.command.checkout;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.PublicKey;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.maven.scm.provider.ScmProviderRepositoryWithHost;
+import org.apache.maven.scm.provider.git.GitScmTestUtils;
+import org.apache.maven.scm.repository.ScmRepository;
+import org.apache.maven.scm.tck.command.checkout.CheckOutCommandTckTest;
+import org.apache.sshd.common.config.keys.KeyUtils;
+import 
org.apache.sshd.common.config.keys.writer.openssh.OpenSSHKeyEncryptionContext;
+import 
org.apache.sshd.common.config.keys.writer.openssh.OpenSSHKeyPairResourceWriter;
+import org.apache.sshd.git.GitLocationResolver;
+import org.apache.sshd.git.pack.GitPackCommandFactory;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.auth.pubkey.KeySetPublickeyAuthenticator;
+import org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator;
+import org.apache.sshd.server.session.ServerSession;
+import org.apache.sshd.util.test.CommonTestSupportUtils;
+import org.apache.sshd.util.test.CoreTestSupportUtils;
+import org.bouncycastle.openssl.PKCS8Generator;
+import org.bouncycastle.openssl.jcajce.JcaPEMWriter;
+import org.bouncycastle.openssl.jcajce.JcaPKCS8Generator;
+import org.bouncycastle.util.io.pem.PemObject;
+import org.junit.Assume;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+/**
+ *
+ */
+public abstract class GitSshCheckOutCommandTckTest
+    extends CheckOutCommandTckTest
+{
+    protected final SshServer sshServer;
+    protected final KeyPair keyPair;
+    protected final List<PublicKey> acceptedPublicKeys;
+
+    @Rule
+    public TemporaryFolder tmpDirectory = new TemporaryFolder();
+
+    protected GitSshCheckOutCommandTckTest() throws GeneralSecurityException
+    {
+         sshServer = CoreTestSupportUtils.setupTestServer( getClass() );
+         keyPair = CommonTestSupportUtils.generateKeyPair( 
KeyUtils.RSA_ALGORITHM, 2048 );
+         acceptedPublicKeys = new ArrayList<>();
+         acceptedPublicKeys.add( keyPair.getPublic() );
+         PublickeyAuthenticator authenticator = new 
KeySetPublickeyAuthenticator( "onlykey",
+                  acceptedPublicKeys );
+         sshServer.setPublickeyAuthenticator( authenticator );
+    }
+
+    void writePrivateKeyAsPkcs8( Path file, String passphrase )
+            throws IOException, GeneralSecurityException
+    {
+        // encryption only optional
+        if ( passphrase != null )
+        {
+            // encryption with format outlined in 
https://dnaeon.github.io/openssh-private-key-binary-format/
+            OpenSSHKeyPairResourceWriter writer = new 
OpenSSHKeyPairResourceWriter();
+            OpenSSHKeyEncryptionContext context = new 
OpenSSHKeyEncryptionContext();
+            context.setCipherType( "192" );
+            context.setPassword( passphrase );
+            try ( OutputStream output = Files.newOutputStream( file ) )
+            {
+                writer.writePrivateKey( keyPair, "comment", context, output );
+            }
+        }
+        else 
+        {
+            // wrap unencrypted private key as regular PKCS8 private key
+            PKCS8Generator pkcs8Generator = new JcaPKCS8Generator( 
keyPair.getPrivate(), null );
+            PemObject pemObject = pkcs8Generator.generate();
+            
+            try ( Writer writer = Files.newBufferedWriter( file );
+                            JcaPEMWriter pw = new JcaPEMWriter( writer ) )
+            {
+                pw.writeObject( pemObject );
+            }

Review Comment:
   I am not getting the question. I could figure out a format with an encrypted 
private key leveraging the `JcaPKCS8Generator` which was accepted by SSH or 
JGit SSH. Feel free to try it out yourself.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]

Reply via email to