[jira] [Commented] (HBASE-25181) Add options for disabling column family encryption and choosing hash algorithm for wrapped encryption keys.

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

    [ https://issues.apache.org/jira/browse/HBASE-25181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229188#comment-17229188 ] 

Hudson commented on HBASE-25181:
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Results for branch master
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> Add options for disabling column family encryption and choosing hash algorithm for wrapped encryption keys.
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-25181
>                 URL: https://issues.apache.org/jira/browse/HBASE-25181
>             Project: HBase
>          Issue Type: Improvement
>          Components: encryption
>    Affects Versions: 2.3.2
>            Reporter: Mate Szalay-Beko
>            Assignee: Mate Szalay-Beko
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.4.0
>
>
> Currently we are using MD5 hash algorithm to store a hash for encryption keys. This hash is needed to verify the secret key of the subject. (e.g. making sure that the same secret key is used during encrypted HFile / WalFile read and write). The MD5 algorithm is considered weak, and can not be used in some (e.g. FIPS compliant) clusters. However, currently it is not possible to use different hash algorithm, or to disable the whole column family encryption globally on the cluster.
> In this patch:
> * I introduce a backward compatible way of specifying the hash algorithm. This enable us to use newer and/or more secure hash algorithms like SHA-384 or SHA-512 (which are FIPS compliant).
> * I added a configuration parameter to globally enable / disable the column family encryption feature. (enabled by default for backward compatibility). This is handy if someone wants to operate an HBase cluster making sure that uses are only relying on other (e.g. HDFS based) encryption mechanisms.



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