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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4552) Encryption: Add support for PGP Encryption
Date Fri, 01 Feb 2013 01:06:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13568325#comment-13568325

Benoy Antony commented on MAPREDUCE-4552:

Sure. I'll decompose this into smaller patches. 

What you mentioned about directory structure is true.  If that's going to change, then this
feature is going to break. I would need some guidance on this. Once I break it this into smaller
patches, we will review that piece separately.
> Encryption:  Add support for PGP Encryption
> -------------------------------------------
>                 Key: MAPREDUCE-4552
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4552
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: MR_4552_1_1.patch, MR_4552_trunk.patch
> Provide support for PGP encryption by implementing Encrypter and Decrypter interfaces
defined in MAPREDUCE-4450.  This can be used by the cluster to protect the job secrets. This
also be used map reduce jobs to encrypt/decrypt data. 
> Add PGPCodec as a CompressionCodec  so that encrypted data can be processed transparently
like compressed data . The aliases to the keys can be specified as part of Job. 
> Based on PGPCodec, a number of utilities are provided to encrypt, decrypt the data in
cluster.  They include
> 1.	DistributedSplitter – Split an encrypted file into smaller files.
> 2.	DistributedEncrypter – encrypt files in a cluster.
> 3.	DistributedDecrypter – decrypt encrypted files in a cluster.
> 4.	DistributedRecrypter – decrypt an encrypted file and encrypt it with another key.
> Uitlities are added to encrypt/decrypt files in local file system
> 1.	Genkey - Generate an asymmetric key pair (public and private keys) of a specified
> 2.	Encrypt - Encrypt a file 
> 3.	Decrypt – Decrypt a file
> Added as a contrib project -  hadoop-crypto.

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