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https://issues.apache.org/jira/browse/HADOOP-10734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059556#comment-14059556
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Colin Patrick McCabe commented on HADOOP-10734:
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OK, I looked at this again, and Random implements Serializable (for some
reason?) So we probably should have this to avoid generating warnings. So +1
for the patch as-is.
Thanks, all. I will commit shortly and let you guys file whatever follow-ups
make sense
> Implementation of true secure random with high performance using hardware
> random number generator.
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-10734
> URL: https://issues.apache.org/jira/browse/HADOOP-10734
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
> Reporter: Yi Liu
> Assignee: Yi Liu
> Fix For: fs-encryption (HADOOP-10150 and HDFS-6134)
>
> Attachments: HADOOP-10734-fs-enc.004.patch, HADOOP-10734.1.patch,
> HADOOP-10734.2.patch, HADOOP-10734.3.patch, HADOOP-10734.4.patch,
> HADOOP-10734.5.patch, HADOOP-10734.patch
>
>
> This JIRA is to implement Secure random using JNI to OpenSSL, and
> implementation should be thread-safe.
> Utilize RdRand to return random numbers from hardware random number
> generator. It's TRNG(True Random Number generators) having much higher
> performance than {{java.security.SecureRandom}}.
> https://wiki.openssl.org/index.php/Random_Numbers
> http://en.wikipedia.org/wiki/RdRand
> https://software.intel.com/en-us/articles/performance-impact-of-intel-secure-key-on-openssl
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