[jira] [Updated] (CAMEL-18264) Camel SFTP: Cannot configure JSch client to use ssh-dss key

["Claus Ibsen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-18264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen updated CAMEL-18264:
--------------------------------
    Fix Version/s: 3.14.5

> Camel SFTP: Cannot configure JSch client to use ssh-dss key
> -----------------------------------------------------------
>
>                 Key: CAMEL-18264
>                 URL: https://issues.apache.org/jira/browse/CAMEL-18264
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-sftp
>         Environment: Tested with Apache Camel 3.17.0 and 3.18.0
>            Reporter: Konrad Stachera
>            Priority: Major
>             Fix For: 3.14.5, 3.18.1, 3.19.0
>
>         Attachments: image-2022-07-11-10-34-58-099.png
>
>
> When server requires ssh-dss host key algorithm it is not possible to configure sFTP camel component to use such key type, therefore connecting fails with "com.jcraft.jsch.JSchException: Algorithm negotiation fail". 
> When these two properties are added in debug mode:
> {code:java}
> session.setConfig("server_host_key", session.getConfig("server_host_key") + ",ssh-dss") 
> session.setConfig("PubkeyAcceptedAlgorithms", session.getConfig("PubkeyAcceptedAlgorithms") + ",ssh-dss") {code}
> in SftpOperations class:
> !image-2022-07-11-10-34-58-099.png!
> the connection is established successfully.
> It should be possible to configure "server_host_key" and "PubkeyAcceptedAlgorithms" in camel sFTP component.



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