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https://issues.apache.org/jira/browse/SSHD-945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16943160#comment-16943160
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Logan commented on SSHD-945:
----------------------------
I changed the host key provider from
{code:java}
sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider());{code}
to below
{code:java}
SimpleGeneratorHostKeyProvider keyProvider = new
SimpleGeneratorHostKeyProvider();SimpleGeneratorHostKeyProvider keyProvider =
new SimpleGeneratorHostKeyProvider(); keyProvider.setAlgorithm("DSA");
keyProvider.setKeySize(2048); sshd.setKeyPairProvider(keyProvider);{code}
and I see different stack trace:
{noformat}
org.apache.sshd.common.SshException: Session is being
closedorg.apache.sshd.common.SshException: Session is being closed at
org.apache.sshd.client.session.ClientSessionImpl.preClose(ClientSessionImpl.java:126)
at
org.apache.sshd.common.util.closeable.AbstractCloseable.close(AbstractCloseable.java:82)
at
org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.sessionClosed(AbstractSessionIoHandler.java:46)
at
org.apache.sshd.common.io.nio2.Nio2Session.doCloseImmediately(Nio2Session.java:266)
at
org.apache.sshd.common.util.closeable.AbstractCloseable.close(AbstractCloseable.java:83)
at
org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:353)
at
org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:318)
at
org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:315)
at
org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$completed$0(Nio2CompletionHandler.java:38)
at java.security.AccessController.doPrivileged(Native Method) at
org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37)
at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) at
sun.nio.ch.Invoker$2.run(Invoker.java:218) at
sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748){noformat}
> DSA 2048 public key authentication fails
> ----------------------------------------
>
> Key: SSHD-945
> URL: https://issues.apache.org/jira/browse/SSHD-945
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.1.0
> Reporter: Logan
> Priority: Major
> Attachments: DSAKeyTests.java
>
>
> While RSA 1024, 2048 and DSA 1024 keys succeed, DSA 2048 fails with error
> trace listed below. I am trying to figure out if the issue is related to DSA
> keys generated by JDK or apache SSHD. Attached is the test case.
>
> Tests with JSch API also fail with DSA 2048 keys.
>
> Error trace:
> {code:java}
> org.apache.sshd.common.SshException: No more authentication methods
> availableorg.apache.sshd.common.SshException: No more authentication methods
> available at
> org.apache.sshd.client.session.ClientUserAuthService.tryNext(ClientUserAuthService.java:318)
> at
> org.apache.sshd.client.session.ClientUserAuthService.processUserAuth(ClientUserAuthService.java:254)
> at
> org.apache.sshd.client.session.ClientUserAuthService.process(ClientUserAuthService.java:201)
> at
> org.apache.sshd.common.session.helpers.AbstractSession.doHandleMessage(AbstractSession.java:626)
> at
> org.apache.sshd.common.session.helpers.AbstractSession.handleMessage(AbstractSession.java:559)
> at
> org.apache.sshd.common.session.helpers.AbstractSession.decode(AbstractSession.java:1542)
> at
> org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:520)
> at
> org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:63)
> at
> org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:339)
> at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:318)
> at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:315)
> at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$completed$0(Nio2CompletionHandler.java:38)
> at java.security.AccessController.doPrivileged(Native Method) at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37)
> at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) at
> sun.nio.ch.Invoker$2.run(Invoker.java:218) at
> sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748){code}
> [^DSAKeyTests.java]
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