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https://issues.apache.org/jira/browse/HADOOP-10150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang resolved HADOOP-10150.
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Resolution: Fixed
I've committed this to trunk as part of merging fs-encryption. Thanks for all
the work from all contributors here, especially [~hitliuyi]!
> Hadoop cryptographic file system
> --------------------------------
>
> Key: HADOOP-10150
> URL: https://issues.apache.org/jira/browse/HADOOP-10150
> Project: Hadoop Common
> Issue Type: New Feature
> Components: security
> Affects Versions: 3.0.0
> Reporter: Yi Liu
> Assignee: Yi Liu
> Labels: rhino
> Fix For: 3.0.0
>
> Attachments: CryptographicFileSystem.patch, HADOOP cryptographic file
> system-V2.docx, HADOOP cryptographic file system.pdf,
> HDFSDataAtRestEncryptionAlternatives.pdf,
> HDFSDataatRestEncryptionAttackVectors.pdf,
> HDFSDataatRestEncryptionProposal.pdf, cfs.patch, extended information based
> on INode feature.patch
>
>
> 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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