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https://issues.apache.org/jira/browse/HDFS-5143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763830#comment-13763830
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Todd Lipcon commented on HDFS-5143:
-----------------------------------
Hi folks. I read through the design document and the discussion above.
One question: is there an industry standard key management system that would
plug in, here? I imagine that key management for symmetric encryption schemes
is a common problem that must be solved in some other storage systems,
databases, etc, and if we can plug into some existing software that enterprises
already have in place, that would be preferable to building Yet Another Daemon.
> 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
> Labels: rhino
> Fix For: 3.0.0
>
> Attachments: 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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