[jira] [Commented] (NIFI-1209) Add the ability to sign files to PutFile / PutHDFS

["Joseph Witt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-1209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15019275#comment-15019275 ] 

Joseph Witt commented on NIFI-1209:
-----------------------------------

[~trixpan] Can you describe the integration you'd expect a bit more.  Would a signature file be written alongside the original?

Thanks
Joe

> Add the ability to sign files to PutFile / PutHDFS
> --------------------------------------------------
>
>                 Key: NIFI-1209
>                 URL: https://issues.apache.org/jira/browse/NIFI-1209
>             Project: Apache NiFi
>          Issue Type: New Feature
>            Reporter: Andre
>
> NiFi allows the Dataflows to be signed, however, this causes some complexities in processing data downstream.
> Furthemore, frequently, entities are happy to forfeit dataflow encryption for the use of hashing mechanisms + public keys  that can "guarantee" (e.g. GPG signatures) the integrity of a resultant file once it has been stored for long term archival (e.g. HDFS).
> it would be great to have the ability to sign files being written by PutFile and PutHDFS as they are written to disk. 
> PS-A added bonus would be to in addition to public key encryption, using Merkle Hash Trees for providing non-repudiation of data flows.



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