[jira] [Commented] (GUACAMOLE-745) Add support for OpenSSH private key format

["Julien Nicoulaud (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GUACAMOLE-745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782067#comment-16782067 ] 

Julien Nicoulaud commented on GUACAMOLE-745:
--------------------------------------------

Looks like libssh2 supports it [this commit|https://github.com/libssh2/libssh2/commit/03092292597ac601c3f9f0c267ecb145dda75e4e], but it is not released yet.

> Add support for OpenSSH private key format
> ------------------------------------------
>
>                 Key: GUACAMOLE-745
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-745
>             Project: Guacamole
>          Issue Type: Improvement
>          Components: guacd, SSH
>         Environment: Docker official images 1.0.0
>            Reporter: Julien Nicoulaud
>            Priority: Major
>
> Since OpenSSH 7.8, {{ssh-keygen}} does not generate keys in PEM format by default anymore: [https://www.openssh.com/txt/release-7.8]
> Attempting to use keys in the new format in Guacamole does not work, and does not print any helpful error message even in debug mode:
> {code:java}
> guacd_1      | guacd[296]: DEBUG:        Attempting private key import (WITHOUT passphrase)
> guacd_1      | guacd[296]: DEBUG:        Initial import failed: (null)
> guacd_1      | guacd[296]: DEBUG:        Re-attempting private key import (WITH passphrase)
> guacd_1      | guacd[296]: ERROR:        Auth key import failed: (null){code}
> It would be nice if keys in OpenSSH new format were supported. At least a more helpful error message should be printed (like "unrecognized key format").



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