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https://issues.apache.org/jira/browse/HADOOP-10150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844371#comment-13844371
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Larry McCay commented on HADOOP-10150:
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Hi Yi -
I am a bit confused by this latest comment.
Can you please clarify "hadoop-crypto component was removed from latest patch
as a result of Diceros emerging. "?
Are you saying that initially you had a cipher provider implementation but have
decided not to provide one since there is one available in yet another
non-apache project? I don't believe that these sorts of external references are
really appropriate. Neither Rhino or Diceros are a TLP or incubation project in
Apache. Since it appears to be an intel specific implementation, it seems
appropriate to remove it from the patch though.
Do you plan to provide an all java implementation for this work?
> 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.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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