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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7544) Transparent table/CF encryption
Date Mon, 25 Feb 2013 03:12:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-7544:
----------------------------------

    Attachment: 7544.pdf
    
> Transparent table/CF encryption
> -------------------------------
>
>                 Key: HBASE-7544
>                 URL: https://issues.apache.org/jira/browse/HBASE-7544
>             Project: HBase
>          Issue Type: New Feature
>          Components: HFile, io
>    Affects Versions: 0.96.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>         Attachments: 7544.patch, 7544.pdf
>
>
> Introduce transparent encryption of HBase on disk data.
> Depends on a separate contribution of an encryption codec framework to Hadoop core and
an AES-NI (native code) codec. This is work done in the context of MAPREDUCE-4491 but I'd
gather there will be additional JIRAs for common and HDFS parts of it.
> Requirements:
> - Transparent encryption at the CF or table level
> - Protect against all data leakage from files at rest
> - Two-tier key architecture for consistency with best practices for this feature in the
RDBMS world
> - Built-in key management
> - Flexible and non-intrusive key rotation
> - Mechanisms not exposed to or modifiable by users
> - Hardware security module integration (via Java KeyStore)
> - HBCK support for transparently encrypted files (+ plugin architecture for HBCK)
> Additional goals:
> - Shell support for administrative functions
> - Avoid performance impact for the null crypto codec case
> - Play nicely with other changes underway: in HFile, block coding, etc.
> We're aiming for rough parity with Oracle's transparent tablespace encryption feature,
described in http://www.oracle.com/technetwork/database/owp-security-advanced-security-11gr-133411.pdf
as
> {quote}
> “Transparent Data Encryption uses a 2-tier key architecture for flexible and non-intrusive
key rotation and least operational and performance impact: Each application table with at
least one encrypted column has its own table key, which is applied to all encrypted columns
in that table. Equally, each encrypted tablespace has its own tablespace key. Table keys are
stored in the data dictionary of the database, while tablespace keys are stored in the header
of the tablespace and additionally, the header of each underlying OS file that makes up the
tablespace.  Each of these keys is encrypted with the TDE master encryption key, which is
stored outside of the database in an external security module: either the Oracle Wallet (a
PKCS#12 formatted file that is encrypted using a passphrase supplied either by the designated
security administrator or DBA during setup),  or a Hardware Security Module (HSM) device for
higher assurance […]”
> {quote}
> Further design details forthcoming in a design document and patch as soon as we have
all of the clearances in place.

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