[jira] [Commented] (JAMES-3023) Encryption for Cassandra blobStore

["Benoit Tellier (Jira)" <se...@james.apache.org>]

    [ https://issues.apache.org/jira/browse/JAMES-3023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17011563#comment-17011563 ] 

Benoit Tellier commented on JAMES-3023:
---------------------------------------

PR https://github.com/linagora/james-project/pull/3037

> Encryption for Cassandra blobStore
> ----------------------------------
>
>                 Key: JAMES-3023
>                 URL: https://issues.apache.org/jira/browse/JAMES-3023
>             Project: James Server
>          Issue Type: Sub-task
>          Components: Blob, cassandra
>            Reporter: Benoit Tellier
>            Priority: Major
>
> Following JAMES-2921 Hybrid BlobStore we end up storing 'blobs' into Cassandra.
> Given a multi-tenant environment, if I run two James servers on top of the same Cassandra database, I don't want one server to be able to read the content of the other one.
> Such isolation is currently achievable by having separate keyspaces, and separate users with different right settings. However given a cassandra acls misconfiguration, such content could still be leaked from one tenant to the other one in case of James compromision.
> Encrypting blobs into cassandra, with an encryption key specific per James server can be a good second line of defense to mitigate this risk. Only metatdata would be readable, raw content (headers & body) staying encrypted.
> As such, I should be able to configure AES encryption of top of Cassandra storage (just like on top of ObjectStorage).



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