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shylaja kokoori commented on CASSANDRA-9633:
--------------------------------------------
Hi All,
I have ported Jason Brown's implementation to 4.0.
Few related questions,
1) In cassandra.yaml file, for transparent_data_encryption_options,
+keystore_password+ and +key_password+ are provided in plain text. Can we rely
on Linux file system permission to protect the information?
2) During a read, when data is transferred between a node containing the data
and the coordinator node, can we rely on encryption over wire to provide
confidentiality?
3) I am not too familiar with streaming. When zero copy streaming is enabled
and SSTables are transferred in its entirety, can I assume both the nodes have
same keys or should key exchange happen?
4) Our security expert says, no more than 2^56 16 byte blocks (~1 EB) should be
encrypted with a single key. Depending on the amount of writes that happen,
that is probably several years of data encryption. Should that be a concern?
> Add ability to encrypt sstables
> -------------------------------
>
> Key: CASSANDRA-9633
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9633
> Project: Cassandra
> Issue Type: New Feature
> Components: Legacy/Core
> Reporter: Jason Brown
> Assignee: shylaja kokoori
> Priority: Normal
> Labels: encryption, security, sstable
> Fix For: 4.x
>
>
> Add option to allow encrypting of sstables.
> I have a version of this functionality built on cassandra 2.0 that
> piggy-backs on the existing sstable compression functionality and ICompressor
> interface (similar in nature to what DataStax Enterprise does). However, if
> we're adding the feature to the main OSS product, I'm not sure if we want to
> use the pluggable compression framework or if it's worth investigating a
> different path. I think there's a lot of upside in reusing the sstable
> compression scheme, but perhaps add a new component in cqlsh for table
> encryption and a corresponding field in CFMD.
> Encryption configuration in the yaml can use the same mechanism as
> CASSANDRA-6018 (which is currently pending internal review).
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