Github user alopresto commented on the issue:
https://github.com/apache/nifi-minifi-cpp/pull/445
You can also look at
[`CryptographicHashContent`](https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/CryptographicHashContent.java)
and
[`HashService`](https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/security/util/crypto/HashService.java)
in NiFi to see how these actions are currently handled. ---
