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From "ASF subversion and git services (Jira)" <>
Subject [jira] [Commented] (NIFI-6287) Add ability to hash an attribute or value in expression language
Date Mon, 25 May 2020 10:43:01 GMT


ASF subversion and git services commented on NIFI-6287:

Commit 0f4b79b55ec7e4a85334d4a0d3e7200021950d1a in nifi's branch refs/heads/master from Phillip
[;h=0f4b79b ]

NIFI-6255 NIFI-6287: Hash function for expression language and record path.
NIFI-6255 NIFI-6287: Rebased to match the new expression language interface
NIFI-6255 NIFI-6287: Fix wildcard imports and unused imports
NIFI-6255 NIFI-6287: Move to the common codec DigetUtils
Update commons-codec

This closes #3624

Signed-off-by: Mike Thomsen <>

> Add ability to hash an attribute or value in expression language
> ----------------------------------------------------------------
>                 Key: NIFI-6287
>                 URL:
>             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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