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Posted to common-issues@hadoop.apache.org by "Alejandro Abdelnur (JIRA)" <ji...@apache.org> on 2014/05/29 07:15:04 UTC

[jira] [Commented] (HADOOP-10635) Add a method to CryptoCodec to generate SRNs for IV

    [ https://issues.apache.org/jira/browse/HADOOP-10635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012075#comment-14012075 ] 

Alejandro Abdelnur commented on HADOOP-10635:
---------------------------------------------

Adding a method {{byte[] generateSecureRandom(int bytes)}} would do the trick, then the impl could get a SecureRandom instance from the same provider used to get the cipher.

> Add a method to CryptoCodec to generate SRNs for IV
> ---------------------------------------------------
>
>                 Key: HADOOP-10635
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10635
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
>            Reporter: Alejandro Abdelnur
>            Assignee: Yi Liu
>             Fix For: 3.0.0
>
>
> SRN generators are provided by crypto libraries. the CryptoCodec gives access to a crypto library, thus it makes sense to expose the SRN generator on the CryptoCodec API.



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