[HDFS-6615] Replace java.security.SecureRandom with org.apache.hadoop.crypto.random.SecureRandom in HDFS

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha1
• Component/s: security
• Assignee: Yi Liu
• Reporter: Yi Liu
• Created: 01/Jul/14 07:02
• Updated: 12/May/16 18:12

Description

In java, SecureRandom is slow and is pseudo random bytes.
In HADOOP-10734, we implement true secure random using hardware random number generator, it has high performance about 22x speedup.
If the server doesn't support rdrand, use java SecureRandom as fallback.

Issue Links

• requires: HADOOP-10734 Implement high-performance secure random number sources