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From "Phillip Grenier (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-6287) Add ability to hash an attribute or value in expression language
Date Thu, 25 Jul 2019 16:22:00 GMT

    [ https://issues.apache.org/jira/browse/NIFI-6287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16892918#comment-16892918
] 

Phillip Grenier commented on NIFI-6287:
---------------------------------------

see[
GitHub Pull Request #3604|https://github.com/apache/nifi/pull/3604]

> Add ability to hash an attribute or value in expression language
> ----------------------------------------------------------------
>
>                 Key: NIFI-6287
>                 URL: https://issues.apache.org/jira/browse/NIFI-6287
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Ed Jackson
>            Assignee: Phillip Grenier
>            Priority: Trivial
>              Labels: expression-language
>
> Similar to 6255
>  
> In expression language it would be very useful to hash arbitrary data or attributes from
the incoming flow file.  For example, if the incoming flow file has an attribute called 'serial_num',
the user can hash this value in expression language like `${hash('MD5', 'serial_num')}` or
similar syntax.
>  
> Today users need to add a CryptographicHashAttribute processor to accomplish this.



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