[jira] [Commented] (SPARK-37586) Add cipher mode option and set default cipher mode for aes_encrypt and aes_decrypt

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-37586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455351#comment-17455351 ] 

Apache Spark commented on SPARK-37586:
--------------------------------------

User 'MaxGekk' has created a pull request for this issue:
https://github.com/apache/spark/pull/34837

> Add cipher mode option and set default cipher mode for aes_encrypt and aes_decrypt
> ----------------------------------------------------------------------------------
>
>                 Key: SPARK-37586
>                 URL: https://issues.apache.org/jira/browse/SPARK-37586
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Max Gekk
>            Priority: Major
>
> https://github.com/apache/spark/pull/32801 added aes_encrypt/aes_decrypt functions to spark. However they rely on the jvm's configuration regarding which cipher mode to support, this is problematic as it is not fixed across versions and systems.
> Let's hardcode a default cipher mode and also allow users to set a cipher mode as an argument to the function.
> In the future, we can support other modes like GCM and CBC that have been already supported by other systems:
> # Snowflake: https://docs.snowflake.com/en/sql-reference/functions/encrypt.html
> # Bigquery: https://cloud.google.com/bigquery/docs/reference/standard-sql/aead-encryption-concepts#block_cipher_modes



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