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https://issues.apache.org/jira/browse/HADOOP-10603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999474#comment-13999474
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Yi Liu commented on HADOOP-10603:
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Thanks [~clamb] and [~tucu00] , good comments. Actually I have also refined
crypto streams using similar interfaces like {{DirectDecompressor}}, I will
merge your proposed code to mine, and update later today. I will response you
later today, too.
> Crypto input and output streams implementing Hadoop stream interfaces
> ---------------------------------------------------------------------
>
> Key: HADOOP-10603
> URL: https://issues.apache.org/jira/browse/HADOOP-10603
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Reporter: Alejandro Abdelnur
> Assignee: Yi Liu
> Fix For: 3.0.0
>
> Attachments: HADOOP-10603.1.patch, HADOOP-10603.2.patch,
> HADOOP-10603.patch
>
>
> A common set of Crypto Input/Output streams. They would be used by
> CryptoFileSystem, HDFS encryption, MapReduce intermediate data and spills.
> Note we cannot use the JDK Cipher Input/Output streams directly because we
> need to support the additional interfaces that the Hadoop FileSystem streams
> implement (Seekable, PositionedReadable, ByteBufferReadable,
> HasFileDescriptor, CanSetDropBehind, CanSetReadahead,
> HasEnhancedByteBufferAccess, Syncable, CanSetDropBehind).
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