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https://issues.apache.org/jira/browse/NIFI-5209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507573#comment-16507573
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ASF subversion and git services commented on NIFI-5209:
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Commit d02cd4f909c5c58b5606b3636726d872f2a10ce5 in nifi's branch 
refs/heads/master from [~alopresto]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=d02cd4f ]

NIFI-5209 Removed secure hash functionality from ConfigEncryptionTool.
Removed relevant unit tests.

This closes #2761.

Signed-off-by: Kevin Doran <kdo...@apache.org>


> Remove toolkit migration without password functionality
> -------------------------------------------------------
>
>                 Key: NIFI-5209
>                 URL: https://issues.apache.org/jira/browse/NIFI-5209
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Tools and Build
>    Affects Versions: 1.7.0
>            Reporter: Andy LoPresto
>            Assignee: Andy LoPresto
>            Priority: Blocker
>              Labels: hash, key, passwords, revert, security, toolkit
>             Fix For: 1.7.0
>
>
> In NIFI-4942, new functionality was added to allow Ambari clients to perform 
> the encrypted configuration migration without providing the original password 
> or key by using a secure hash of the original credential to demonstrate 
> knowledge of that value. The Ambari team found another way on their end to 
> perform this action, and rather than allow the {{./secure_hash.key}} behavior 
> to be released and then removed at a later time, complicating our security 
> posture and potentially creating difficult support cases, it is better to 
> remove it completely before the 1.7.0 release. 
> However, it is not as simple as just backing out a few commits, as necessary 
> refactoring of the tool code also occurred at that time. I will remove this 
> feature while maintaining the improvements made to the toolkit. 



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