[HADOOP-11891] OsSecureRandom should lazily fill its reservoir

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.8.0, 2.7.1, 3.0.0-alpha1
• Component/s: security
• Target Version/s: 2.7.1
• Assignee: Arun Suresh
• Reporter: Arun Suresh
• Created: 29/Apr/15 18:04
• Updated: 06/Jan/17 01:18
• Resolved: 30/Apr/15 21:04

Description

The OsSecureRandom class that is initialized by on the the CryptoCodec implementations eagerly fills its reservoir of random bits. This will result in too many file descriptors being opened simply and is not really required if the client already has a random IV and key needed for decryption.