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https://issues.apache.org/jira/browse/SSHD-945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16943615#comment-16943615
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Logan edited comment on SSHD-945 at 10/3/19 3:07 PM:
-----------------------------------------------------
Oddly I have some DSA 2048 keys (generated by old maverick code) that does not
fail at all. Wondering if this has something to do with the way key pair is
generated? Attached dsa 2048 private key that works.
was (Author: apachelogan):
Oddly I have some DSA 2048 keys (generated by old maverick code) that does not
fail at all. Wondering if this has something to do with the way key pair is
generated?
> 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, maverick_id_dsa
>
>
> 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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