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Posted to dev@mina.apache.org by "Susmit Sarkar (Jira)" <ji...@apache.org> on 2021/07/30 11:50:00 UTC
[jira] [Commented] (SSHD-1203) [[ssh-dss]] none of the keys appears
in supported list
[ https://issues.apache.org/jira/browse/SSHD-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390522#comment-17390522 ]
Susmit Sarkar commented on SSHD-1203:
-------------------------------------
[~twolf], [~lgoldstein] Any help will be helpful as all our test suites are failing
> [[ssh-dss]] none of the keys appears in supported list
> ------------------------------------------------------
>
> Key: SSHD-1203
> URL: https://issues.apache.org/jira/browse/SSHD-1203
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Susmit Sarkar
> Priority: Blocker
> Fix For: 2.7.0
>
>
> Getting the below exception trace:
> 30 Jul 2021 17:03:50,834 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG ServerSessionImpl - resolveEmptySignaturesProposal(ServerSessionImpl[null@/127.0.0.1:36117])*[[ssh-dss]] none of the keys appears in supported list: [ecdsa-sha2-nistp256-cert-v01@openssh.com, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp521-cert-v01@openssh.com, rsa-sha2-512-cert-v01@openssh.com, rsa-sha2-256-cert-v01@openssh.com, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521, sk-ecdsa-sha2-nistp256@openssh.com, rsa-sha2-512, rsa-sha2-256, ssh-rsa]*30 Jul 2021 17:03:50,834 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG ServerSessionImpl - resolveEmptySignaturesProposal(ServerSessionImpl[null@/127.0.0.1:36117])[[ssh-dss]] none of the keys appears in supported list: [ecdsa-sha2-nistp256-cert-v01@openssh.com, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp521-cert-v01@openssh.com, rsa-sha2-512-cert-v01@openssh.com, rsa-sha2-256-cert-v01@openssh.com, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521, sk-ecdsa-sha2-nistp256@openssh.com, rsa-sha2-512, rsa-sha2-256, ssh-rsa]30 Jul 2021 17:03:50,857 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG Nio2Session - handleReadCycleFailure(Nio2Session[local=/127.0.0.1:22091, remote=/127.0.0.1:36117]) SshException after 43009671 nanos at read cycle=1: sendKexInit() no resolved signatures available30 Jul 2021 17:03:50,857 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG Nio2Session - exceptionCaught(Nio2Session[local=/127.0.0.1:22091, remote=/127.0.0.1:36117]) caught SshException[sendKexInit() no resolved signatures available] - calling handler30 Jul 2021 17:03:50,857 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] WARN ServerSessionImpl - exceptionCaught(ServerSessionImpl[null@/127.0.0.1:36117])[state=Opened] SshException: sendKexInit() no resolved signatures availableorg.apache.sshd.common.SshException: sendKexInit() no resolved signatures available at org.apache.sshd.common.session.helpers.AbstractSession.sendKexInit(AbstractSession.java:2281) at org.apache.sshd.server.session.AbstractServerSession.readIdentification(AbstractServerSession.java:500) at org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:383) at org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:64) at org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:359) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:336) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:333) at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$completed$0(Nio2CompletionHandler.java:38) at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$$Lambda$913/0000000088B4A540.run(Unknown Source) at java.security.AccessController.doPrivileged(AccessController.java:678) at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37) at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:138) at sun.nio.ch.Invoker$2.run(Invoker.java:230) at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:124) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.lang.Thread.run(Thread.java:822)
> Post upgrade we are seeing this error, looks like ssh-dss is deprecated in 2.7.0 but was present in 2.5.1. Can you please help to solve this issue, where should we add dss support from code?
> The host identity key used is a dss key, all the test cases are failing as a result
>
> Thanks
> Susmit
>
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