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https://issues.apache.org/jira/browse/HDFS-5143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yi Liu updated HDFS-5143:
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Status: Patch Available (was: Open)
> Hadoop cryptographic file system
> --------------------------------
>
> Key: HDFS-5143
> URL: https://issues.apache.org/jira/browse/HDFS-5143
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: security
> Affects Versions: 3.0.0
> Reporter: Yi Liu
> Assignee: Owen O'Malley
> Labels: rhino
> Fix For: 3.0.0
>
> Attachments: CryptographicFileSystem.patch, HADOOP cryptographic file
> system.pdf
>
>
> There is an increasing need for securing data when Hadoop customers use
> various upper layer applications, such as Map-Reduce, Hive, Pig, HBase and so
> on.
> HADOOP CFS (HADOOP Cryptographic File System) is used to secure data, based
> on HADOOP “FilterFileSystem” decorating DFS or other file systems, and
> transparent to upper layer applications. It’s configurable, scalable and fast.
> High level requirements:
> 1. Transparent to and no modification required for upper layer
> applications.
> 2. “Seek”, “PositionedReadable” are supported for input stream of CFS if
> the wrapped file system supports them.
> 3. Very high performance for encryption and decryption, they will not
> become bottleneck.
> 4. Can decorate HDFS and all other file systems in Hadoop, and will not
> modify existing structure of file system, such as namenode and datanode
> structure if the wrapped file system is HDFS.
> 5. Admin can configure encryption policies, such as which directory will
> be encrypted.
> 6. A robust key management framework.
> 7. Support Pread and append operations if the wrapped file system supports
> them.
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