[jira] [Commented] (NIFI-7427) Create an SSH key management controller service for SFTP processors

["Andy LoPresto (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-7427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127083#comment-17127083 ] 

Andy LoPresto commented on NIFI-7427:
-------------------------------------

Please do not populate a fix version until this change is merged into {{master}} and the Jira is resolved. This allows for visibility into what was actually resolved during the next version release cycle. Thank you. 

> Create an SSH key management controller service for SFTP processors
> -------------------------------------------------------------------
>
>                 Key: NIFI-7427
>                 URL: https://issues.apache.org/jira/browse/NIFI-7427
>             Project: Apache NiFi
>          Issue Type: Task
>          Components: Extensions
>    Affects Versions: 1.11.4
>            Reporter: Nathan Gough
>            Priority: Minor
>              Labels: controller_services, key-management, security
>
> From what I can see, only SFTP processors use SSH keys so the function is a bit limited. However, the key and password and host_key properties must be entered for each SFTP processor. We also do not have a validator available to check if the SSH key file appears valid or not.
> We could create an SSH Key service that contains these things and add a validator for some of the properties. The sshj library KeyProviderUtil may assist with checking if keys are valid files.
> Relates to NIFI-3890



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