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https://issues.apache.org/jira/browse/KARAF-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802200#comment-17802200
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Jean-Baptiste Onofré commented on KARAF-7753:
---------------------------------------------
I have an issue with ecdsa on Karaf 4.4.4 but not with the same trace. However,
it works with Karaf 4.4.5-SNAPSHOT which has been upgraded to use sshd 2.11.0.
Which client are you using ?
I'm closing this Jira as it works for me on Karaf 4.4.5-SNAPSHOT. Please reopen
if you have the same issue on Karaf 4.4.5 (when the release will be available).
> Key authentication doesn't work with ecdsa keys
> -----------------------------------------------
>
> Key: KARAF-7753
> URL: https://issues.apache.org/jira/browse/KARAF-7753
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.4.4
> Reporter: Andre Schlegel-Tylla
> Assignee: Jean-Baptiste Onofré
> Priority: Major
>
> Key based authentication isn't working anymore. With Karaf 4.4.3 we had no
> problems.
>
> To reproduce follow the manual
> [https://karaf.apache.org/manual/latest/#_managing_authentication_by_key] but
> replace "rsa" with "ecdsa" for the key creation:
> {code:java}
> ssh-keygen -t ecdsa -f karaf.id_rsa{code}
>
>
> sshd Log Karaf 4.4.4
> {code:java}
> 2023-09-20T08:47:30,532 | DEBUG |
> sshd-SshServer[39ab90a6](port=8101)-nio2-thread-2 | UserAuthPublicKey
> | 165 - org.apache.sshd.osgi - 2.10.0 |
> doAuth(karaf2@ServerSessionImpl[null@/[0:0:0:0:0:0:0:1]:53738]) verify key
> type=ecdsa-sha2-nistp256,
> factories=ssh-rsa,rsa-sha2-256,rsa-sha2-512,sk-ecdsa-sha2-nistp...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
> fingerprint=SHA256:ytAdBMtQ99Rk0YRk+nIERN+jg0tejbymaKnM5rvlfAQ
> 2023-09-20T08:47:30,532 | DEBUG |
> sshd-SshServer[39ab90a6](port=8101)-nio2-thread-2 | UserAuthPublicKey
> | 165 - org.apache.sshd.osgi - 2.10.0 |
> doAuth(karaf2@ServerSessionImpl[null@/[0:0:0:0:0:0:0:1]:53738]) key
> type=ecdsa-sha2-nistp256,
> fingerprint=SHA256:ytAdBMtQ99Rk0YRk+nIERN+jg0tejbymaKnM5rvlfAQ -
> authentication result: false {code}
> Same part of the log with Karaf 4.4.3
> {code:java}
> 2023-09-20T09:04:26,979 | DEBUG |
> sshd-SshServer[64c0cbfc](port=8101)-nio2-thread-2 | UserAuthPublicKey
> | 174 - org.apache.sshd.osgi - 2.9.2 |
> doAuth(karaf2@ServerSessionImpl[null@/[0:0:0:0:0:0:0:1]:55857]) verify key
> type=ecdsa-sha2-nistp256,
> factories=ssh-rsa,rsa-sha2-256,rsa-sha2-512,sk-ecdsa-sha2-nistp...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
>
> fingerprint=SHA256:ytAdBMtQ99Rk0YRk+nIERN+jg0tejbymaKnM5rvlfAQ2023-09-20T09:04:26,979
> | DEBUG | sshd-SshServer[64c0cbfc](port=8101)-nio2-thread-2 |
> UserAuthPublicKey | 174 - org.apache.sshd.osgi - 2.9.2 |
> doAuth(karaf2@ServerSessionImpl[null@/[0:0:0:0:0:0:0:1]:55857]) key
> type=ecdsa-sha2-nistp256,
> fingerprint=SHA256:ytAdBMtQ99Rk0YRk+nIERN+jg0tejbymaKnM5rvlfAQ -
> authentication result: true {code}
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